/* ==========================================================================
   Ottered marketing site
   ========================================================================== */

:root {
  --navy-900: #07123F;
  --navy-800: #0D1D5C;
  --navy-700: #142873;
  --royal: #2348E0;
  --royal-600: #1B3BC0;
  --royal-300: #8FA8FF;
  --yellow: #FFC928;
  --yellow-600: #F2B100;
  --ink: #F4F6FF;
  --muted: #B8C3EC;
  --line: rgba(143, 168, 255, 0.2);
  --correct: #3DDC97;
  --wrong: #FF7A7A;

  --font-display: "Bricolage Grotesque", "Arial Rounded MT Bold", system-ui, sans-serif;
  --font-body: "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --gutter: clamp(16px, 4vw, 40px);
  --section-y: clamp(64px, 9vw, 112px);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--navy-900);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }
img { max-width: 100%; display: block; }
a { color: var(--yellow); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.05; margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--yellow); color: var(--navy-900);
  padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { top: 16px; }

/* Buttons ---------------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px;
  border: 2px solid transparent;
  border-radius: 999px;
  font: 600 1rem/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(2px); }
.btn-lg { padding: 16px 28px; font-size: 1.0625rem; }
.btn-sm { padding: 9px 16px; font-size: .9375rem; }
.btn-block { width: 100%; }

.btn-yellow {
  background: var(--yellow); color: var(--navy-900);
  box-shadow: 0 4px 0 var(--yellow-600);
}
.btn-yellow:hover { background: #FFD45A; }
.btn-yellow:active { box-shadow: 0 2px 0 var(--yellow-600); }

.btn-outline { border-color: var(--royal-300); color: var(--ink); background: transparent; }
.btn-outline:hover { background: rgba(143, 168, 255, .12); }

.btn-ghost { color: var(--ink); background: transparent; }
.btn-ghost:hover { background: rgba(143, 168, 255, .12); }

.btn-navy { background: var(--navy-900); color: var(--ink); box-shadow: 0 4px 0 #030A26; }
.btn-navy:hover { background: var(--navy-800); }

/* Header ----------------------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 18, 63, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-name { font: 800 1.5rem/1 var(--font-display); letter-spacing: -.01em; }

.site-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav ul a {
  display: block; padding: 8px 12px; border-radius: 999px; white-space: nowrap;
  color: var(--muted); text-decoration: none; font-size: .9688rem;
}
.site-nav ul a:hover { color: var(--ink); background: rgba(143, 168, 255, .1); }
.nav-actions { display: flex; gap: 8px; }
.nav-actions .btn { white-space: nowrap; }

.nav-toggle {
  display: none; margin-left: auto;
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: transparent; border: 1px solid var(--line); color: var(--ink); cursor: pointer;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block; width: 20px; height: 2px; margin-inline: auto;
  background: currentColor; border-radius: 2px; position: relative;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

/* Hero ------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 7vw, 96px) 0;
  background:
    radial-gradient(1000px 520px at 85% 10%, rgba(35, 72, 224, .55), transparent 65%),
    var(--navy-900);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.hero h1 {
  font-size: clamp(3rem, 7.4vw, 5.75rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: .95;
  max-width: 10ch;
}
/* "fights back." in the homepage heading: the letters punch up one by one, then the
   words throw a jab every few seconds. Still for reduced-motion users. */
.fights-back { position: relative; display: inline-block; color: var(--yellow); white-space: nowrap; }
/* A hand-drawn yellow underline that draws itself in once the letters have landed */
.fb-scribble { position: absolute; left: 0; bottom: -.16em; width: 100%; height: .26em; overflow: visible; pointer-events: none; }
.fb-scribble path { fill: none; stroke: var(--yellow); stroke-width: 5; stroke-linecap: round; opacity: .85; vector-effect: non-scaling-stroke; }
.fights-back span { display: inline-block; }
@media (prefers-reduced-motion: no-preference) {
  .fights-back { animation: fb-jab 1.8s 1.8s ease-in-out 2; transform-origin: 20% 80%; }
  .fb-scribble path { stroke-dasharray: 1; stroke-dashoffset: 1; animation: fb-draw .7s 1.15s ease-out forwards; }
  .fights-back span { animation: fb-pop .55s calc(.25s + var(--i) * .06s) cubic-bezier(.3, 1.6, .5, 1) both; }
}
@keyframes fb-pop {
  0% { opacity: 0; transform: translateY(.45em) scale(.6) rotate(-8deg); }
  100% { opacity: 1; transform: none; }
}
/* Two jabs, then it rests */
@keyframes fb-jab {
  0%, 55%, 100% { transform: none; }
  65% { transform: translateX(-.06em) rotate(-2deg); }
  78% { transform: translateX(.14em) scale(1.06) rotate(1.5deg); }
  90% { transform: translateX(-.02em) rotate(-.5deg); }
}
@keyframes fb-draw { to { stroke-dashoffset: 0; } }
.lede { margin-top: 24px; font-size: clamp(1.0625rem, 1.5vw, 1.25rem); color: var(--muted); max-width: 46ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-note { margin-top: 16px; font-size: .9375rem; color: var(--muted); }

.boards-line {
  margin-top: clamp(56px, 7vw, 88px);
  padding-block: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9688rem;
}
.boards-line strong { color: var(--ink); font-weight: 600; }

/* Arena demo ------------------------------------------------------------- */

.arena {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--royal) 0%, var(--royal-600) 45%, var(--navy-800) 100%);
  border: 2px solid rgba(255, 201, 40, .55);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .55), 0 0 0 8px rgba(35, 72, 224, .18);
}
.arena.is-hit { animation: shake .35s ease; }

.arena-top { display: flex; justify-content: space-between; align-items: center; font-size: .875rem; }
.arena-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 999px;
  background: rgba(7, 18, 63, .45); font-weight: 600;
}
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 4px rgba(255, 201, 40, .25); }
.arena-round { color: #DCE3FF; }

.arena-players {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px;
  margin-top: 18px;
}
.player { display: flex; align-items: center; gap: 10px; min-width: 0; }
.player-right { justify-content: flex-end; text-align: right; }
.player-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.player-name { font-weight: 600; font-size: .9375rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-elo { font-size: .8125rem; color: #DCE3FF; }
.avatar {
  flex: none; width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  font: 800 .8125rem/1 var(--font-display);
}
.avatar-you { background: var(--yellow); color: var(--navy-900); }
.avatar-rival { background: var(--navy-900); color: var(--royal-300); border: 2px solid var(--royal-300); }
.versus { font: 800 1.125rem/1 var(--font-display); color: var(--yellow); }

.meter { height: 8px; margin-top: 6px; border-radius: 999px; background: rgba(7, 18, 63, .55); overflow: hidden; }
.meter span { display: block; height: 100%; background: var(--yellow); border-radius: inherit; transition: width .5s cubic-bezier(.2, .8, .2, 1); }
.meter-rival span { background: var(--royal-300); margin-left: auto; }

.arena-question {
  margin-top: 18px; padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(7, 18, 63, .55);
}
.q-meta { font-size: .8125rem; color: var(--royal-300); }
.q-text { margin-top: 6px; font: 600 clamp(1.1875rem, 2vw, 1.375rem)/1.3 var(--font-display); }
.timer { margin-top: 14px; height: 6px; border-radius: 999px; background: rgba(143, 168, 255, .2); overflow: hidden; }
.timer span { display: block; height: 100%; width: 100%; background: var(--yellow); transform-origin: left; }
.timer span.is-low { background: var(--wrong); }

.answers { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.answer {
  min-height: 56px; padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(143, 168, 255, .35);
  background: rgba(7, 18, 63, .4);
  color: var(--ink);
  font: 600 1rem/1.25 var(--font-body);
  text-align: left; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
}
.answer:hover:not(:disabled) { border-color: var(--yellow); background: rgba(255, 201, 40, .12); }
.answer:disabled { cursor: default; }
.answer.is-correct { background: var(--correct); border-color: var(--correct); color: var(--navy-900); }
.answer.is-wrong { background: var(--wrong); border-color: var(--wrong); color: var(--navy-900); }
.answer.is-dim { opacity: .5; }

.arena-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; min-height: 40px; }
.arena-status { font-size: .9375rem; color: #DCE3FF; }

/* Splash effect on a correct answer */
.splash { position: absolute; inset: 0; pointer-events: none; }
.splash i {
  position: absolute; width: 14px; height: 14px; border-radius: 50%;
  background: var(--royal-300);
  animation: droplet .9s ease-out forwards;
}
@keyframes droplet {
  0% { transform: translate(0, 0) scale(1); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) scale(.2); opacity: 0; }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Example player profile (hero) */
.profile-main { display: flex; align-items: center; gap: 22px; margin-top: 18px; }
.profile-otter {
  flex: none; width: 168px; aspect-ratio: 240 / 230;
  border-radius: var(--radius-md); background: rgba(7, 18, 63, .45); overflow: hidden;
}
.profile-otter svg { width: 100%; height: 100%; }
.profile-id { min-width: 0; }
.profile-name { font: 800 clamp(1.5rem, 2.6vw, 1.875rem)/1.1 var(--font-display); overflow-wrap: anywhere; }
.profile-banner { margin-top: 10px; }
.profile-tier { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: .9375rem; color: #DCE3FF; }
.profile-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 20px 0 0; }
.profile-stats div { padding: 12px 10px; border-radius: var(--radius-sm); background: rgba(7, 18, 63, .55); text-align: center; }
.profile-stats dt { font-size: .8125rem; color: var(--royal-300); }
.profile-stats dd { margin: 2px 0 0; font: 800 1.5rem var(--font-display); }
.profile-stats div:first-child dd { color: var(--correct); }
.profile-stats div:nth-child(2) dd { color: var(--wrong); }
.profile-stats div:last-child dd { color: var(--yellow); }
.profile-foot { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 18px; }
.profile-foot p { font-size: .875rem; color: #DCE3FF; }
.profile-foot a:not(.btn) { color: var(--yellow); }
.profile-foot .btn { flex: none; }
@media (max-width: 520px) {
  .profile-main { flex-direction: column; text-align: center; }
  .profile-tier { justify-content: center; }
  .profile-stats { grid-template-columns: repeat(2, 1fr); }
  .profile-foot { flex-direction: column; text-align: center; }
}

/* Sections --------------------------------------------------------------- */

.section { padding-block: var(--section-y); }
.section-band { background: var(--navy-800); }

.section-head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head h2 { font-size: clamp(2.25rem, 4.6vw, 3.5rem); font-weight: 800; letter-spacing: -.03em; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 1.125rem; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 48px); counter-reset: none; }
.step { position: relative; padding-top: 28px; border-top: 2px solid var(--line); }
.step-num {
  display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--yellow); color: var(--navy-900);
  font: 800 1.5rem/1 var(--font-display);
}
.step h3 { margin-top: 20px; font-size: 1.5rem; font-weight: 800; letter-spacing: -.01em; }
.step p { margin-top: 10px; color: var(--muted); max-width: 36ch; }

/* Game modes bento */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.mode {
  padding: 26px;
  border-radius: var(--radius-md);
  background: var(--navy-900);
  border: 1px solid var(--line);
}
.mode h3 { font-size: 1.375rem; font-weight: 800; }
.mode p { margin-top: 8px; color: var(--muted); font-size: .9688rem; }
.mode-icon {
  width: 36px; height: 36px; margin-bottom: 18px;
  fill: none; stroke: var(--yellow); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.mode-arena {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center;
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--royal) 0%, var(--navy-700) 100%);
  border: 2px solid rgba(255, 201, 40, .5);
}
.mode-arena h3 { font-size: clamp(2rem, 4vw, 2.75rem); letter-spacing: -.02em; }
.mode-arena p { color: #DCE3FF; font-size: 1.0625rem; max-width: 52ch; margin-top: 14px; }
.mode-points { margin-top: 20px; display: grid; gap: 8px; }
.mode-points li { display: flex; gap: 10px; align-items: baseline; }
.mode-points li::before {
  content: ""; flex: none; width: 10px; height: 10px; border-radius: 3px;
  background: var(--yellow); transform: translateY(-1px);
}
.mode-art img { width: 100%; max-width: 320px; margin-inline: auto; }

/* Subjects picker */
.picker { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.stage-tabs {
  display: inline-flex; padding: 6px; gap: 4px;
  border-radius: 999px; background: var(--navy-800); border: 1px solid var(--line);
}
.stage-tab {
  display: flex; flex-direction: column; align-items: center;
  padding: 10px 22px; border: 0; border-radius: 999px;
  background: transparent; color: var(--muted);
  font: 600 1.0625rem/1.2 var(--font-body); cursor: pointer;
}
.stage-tab span { font-weight: 400; font-size: .75rem; margin-top: 2px; }
.stage-tab:hover { color: var(--ink); }
.stage-tab[aria-selected="true"] { background: var(--yellow); color: var(--navy-900); }

.board-select { display: flex; flex-direction: column; gap: 6px; font-size: .875rem; color: var(--muted); }
.board-select select {
  min-width: 220px; padding: 12px 40px 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--navy-800) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23FFC928' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 16px center;
  color: var(--ink); font: 500 1rem var(--font-body);
  appearance: none; cursor: pointer;
}
.board-select select:disabled { opacity: .7; cursor: default; }

.subject-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.subject {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--navy-800);
  border-left: 4px solid var(--royal-300);
}
.subject.is-core { border-left-color: var(--yellow); }
.subject h3 { font: 600 1.1875rem/1.2 var(--font-display); }
.subject p { margin-top: 8px; color: var(--muted); font-size: .9063rem; line-height: 1.5; }
.subject-empty { color: var(--muted); }

/* Teachers */
.teachers-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.teachers-copy h2 { font-size: clamp(2.25rem, 4.6vw, 3.5rem); font-weight: 800; letter-spacing: -.03em; }

.ticks { display: grid; gap: 12px; margin-top: 28px; }
.ticks li { position: relative; padding-left: 32px; color: var(--muted); }
.ticks li strong { color: var(--ink); font-weight: 600; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--yellow) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1.5' fill='none' stroke='%2307123F' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center;
}

.lobby {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: var(--navy-900);
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -24px rgba(0, 0, 0, .6);
}
.lobby-head { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.lobby-label { font-size: .875rem; color: var(--muted); }
.lobby-code { font: 800 clamp(2.25rem, 5vw, 3rem)/1.1 var(--font-display); color: var(--yellow); letter-spacing: .04em; margin-top: 4px; }
.lobby-count { padding: 6px 12px; border-radius: 999px; background: rgba(61, 220, 151, .16); color: var(--correct); font-weight: 600; font-size: .875rem; white-space: nowrap; }
.lobby-quiz { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); font-weight: 600; }
.lobby-players { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 22px; }
.lobby-players li {
  padding: 7px 12px; border-radius: 10px;
  background: var(--navy-800); font-size: .875rem;
}

/* Pricing */
.billing-toggle {
  display: inline-flex; gap: 4px; padding: 6px; margin-bottom: 32px;
  border-radius: 999px; background: var(--navy-800); border: 1px solid var(--line);
}
.billing-toggle button {
  padding: 10px 20px; border: 0; border-radius: 999px;
  background: transparent; color: var(--muted);
  font: 600 .9688rem var(--font-body); cursor: pointer;
}
.billing-toggle button[aria-checked="true"] { background: var(--royal); color: var(--ink); }
.save { margin-left: 6px; padding: 2px 8px; border-radius: 999px; background: var(--yellow); color: var(--navy-900); font-size: .75rem; }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.plan {
  display: flex; flex-direction: column;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: var(--navy-800);
  border: 1px solid var(--line);
}
.plan h3 { font-size: 1.5rem; font-weight: 800; }
.plan-price { display: flex; align-items: baseline; gap: 8px; margin-top: 14px; }
.amount { font: 800 3rem/1 var(--font-display); letter-spacing: -.03em; }
.amount-text { font-size: 2.25rem; }
.per { color: var(--muted); }
.plan-desc { margin-top: 12px; color: var(--muted); }
.plan .ticks { margin-block: 24px 30px; flex: 1; }
.plan .ticks li { color: var(--ink); }

.plan-featured {
  background: linear-gradient(170deg, var(--royal) 0%, var(--navy-700) 100%);
  border: 2px solid var(--yellow);
  transform: translateY(-12px);
}
.plan-featured .plan-desc,
.plan-featured .per { color: #DCE3FF; }
.plan-flag {
  align-self: flex-start; margin-bottom: 14px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--yellow); color: var(--navy-900);
  font-weight: 600; font-size: .8125rem;
}

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.faq { display: grid; gap: 12px; }
.faq details {
  border-radius: var(--radius-md);
  background: var(--navy-900);
  border: 1px solid var(--line);
}
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 22px;
  font-weight: 600; font-size: 1.0625rem;
  cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 12px; height: 12px;
  border-right: 2.5px solid var(--yellow); border-bottom: 2.5px solid var(--yellow);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
.faq details p { padding: 0 22px 22px; color: var(--muted); max-width: 64ch; }

/* Final CTA */
.cta-band { background: var(--yellow); color: var(--navy-900); padding-block: clamp(56px, 8vw, 96px); }
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; }
.cta-inner h2 { font-size: clamp(2rem, 4.4vw, 3.25rem); font-weight: 800; letter-spacing: -.03em; max-width: 18ch; }

/* Footer */
.site-footer { padding-top: 64px; background: var(--navy-900); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-note { margin-top: 12px; color: var(--muted); font-size: .9375rem; }
.site-footer h3 { font: 600 1rem var(--font-body); margin-bottom: 12px; }
.site-footer nav ul { display: grid; gap: 8px; }
.site-footer nav a { color: var(--muted); text-decoration: none; font-size: .9375rem; }
.site-footer nav a:hover { color: var(--ink); }
.footer-base { margin-top: 48px; padding-block: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: .8125rem; }

/* Reviews */
.reviews-title {
  max-width: 16ch; margin-inline: auto; text-align: center;
  font-size: clamp(2.25rem, 5.5vw, 4rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.05;
}
.wavy { position: relative; display: inline-block; }
.wavy svg {
  position: absolute; left: -2%; bottom: -0.08em; width: 104%; height: 0.32em;
  fill: none; stroke: var(--yellow); stroke-width: 3.5; stroke-linecap: round;
  overflow: visible; pointer-events: none;
}
.reviews-note { margin-top: 14px; text-align: center; font-size: .875rem; color: var(--muted); }
.reviews-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: clamp(36px, 5vw, 56px); }
.review {
  display: flex; flex-direction: column; margin: 0;
  padding: clamp(26px, 3.5vw, 40px); border-radius: var(--radius-lg);
  background: var(--navy-800); border: 1px solid var(--line);
}
.review-doodle { width: 60px; height: 60px; margin-bottom: 22px; fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.review-doodle .d-ink { stroke: var(--ink); }
.review-doodle .d-yellow { stroke: var(--yellow); }
.review-doodle .d-blue { stroke: var(--royal-300); }
.review-doodle .d-blue-fill { fill: var(--royal); stroke: var(--ink); }
.review-doodle .d-yellow-fill { fill: var(--yellow); stroke: var(--ink); }
.review blockquote { margin: 0; font-size: clamp(1.0625rem, 1.6vw, 1.25rem); line-height: 1.55; }
.review figcaption { display: grid; gap: 2px; margin-top: auto; padding-top: 24px; }
.review figcaption strong { font: 600 1.125rem var(--font-display); }
.review figcaption span { color: var(--muted); font-size: .9375rem; }
@media (max-width: 760px) {
  .reviews-grid { grid-template-columns: 1fr; }
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.contact-intro h2 { font-size: clamp(2.25rem, 4.6vw, 3.5rem); font-weight: 800; letter-spacing: -.03em; }
.contact-intro p { margin-top: 14px; color: var(--muted); font-size: 1.125rem; max-width: 40ch; }
.contact-intro .contact-site { color: var(--ink); font-size: 1rem; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-card {
  display: flex; flex-direction: column;
  padding: 26px; border-radius: var(--radius-lg);
  background: var(--navy-900); border: 1px solid var(--line);
}
.contact-card-schools { border: 2px solid rgba(255, 201, 40, .5); }
.contact-card h3 { font-size: 1.375rem; font-weight: 800; }
.contact-card p { margin-top: 8px; color: var(--muted); font-size: .9688rem; }
.contact-email {
  margin-top: auto; padding-top: 20px;
  font: 600 1.125rem var(--font-display); color: var(--yellow);
  overflow-wrap: anywhere;
}
.footer-contact { display: grid; gap: 4px; margin-top: 16px; font-style: normal; font-size: .9375rem; color: var(--muted); }
.footer-contact a { color: var(--ink); }

/* Shared page pieces ----------------------------------------------------- */

.site-nav ul a[aria-current="page"] { color: var(--navy-900); background: var(--yellow); }

.page-hero {
  padding-block: clamp(40px, 6vw, 72px) clamp(28px, 4vw, 40px);
  background:
    radial-gradient(900px 420px at 90% 0%, rgba(35, 72, 224, .5), transparent 65%),
    var(--navy-900);
}
.page-hero h1 { font-size: clamp(2.75rem, 6.5vw, 4.75rem); font-weight: 800; letter-spacing: -.035em; }
.page-hero .lede { margin-top: 14px; }

.seg {
  display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 6px;
  border-radius: 999px; background: var(--navy-800); border: 1px solid var(--line);
}
.seg-btn {
  padding: 10px 20px; border: 0; border-radius: 999px;
  background: transparent; color: var(--muted);
  font: 600 1rem/1.2 var(--font-body); cursor: pointer;
}
.seg-btn:hover { color: var(--ink); }
.seg-btn[aria-selected="true"],
.seg-btn[aria-checked="true"] { background: var(--yellow); color: var(--navy-900); }

.field { display: flex; flex-direction: column; gap: 6px; font-size: .875rem; color: var(--muted); }
.field select {
  min-width: 190px; padding: 11px 40px 11px 14px;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--navy-800) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23FFC928' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 14px center;
  color: var(--ink); font: 500 .9688rem var(--font-body);
  appearance: none; cursor: pointer;
}

.link-btn {
  padding: 4px 0; border: 0; background: none; cursor: pointer;
  color: var(--royal-300); font: 500 .9375rem var(--font-body);
  text-decoration: underline; text-underline-offset: 3px;
}
.link-btn:hover { color: var(--ink); }

.footer-split { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.site-footer:has(> .footer-base:only-child) { padding-top: 0; }
.site-footer > .footer-base:only-child { margin-top: 0; border-top: 0; }

/* Social media links in the footer. The brand icons come from Simple Icons and take the link colour. */
.footer-base:has(.footer-social) { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; }
.footer-split .footer-social { order: 1; margin-left: auto; }
.footer-split .footer-social ~ * { order: 2; }
.footer-social { display: flex; gap: 8px; margin: 0; padding: 0; list-style: none; }
.footer-social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; color: var(--muted); border: 1px solid var(--line); transition: color .15s, border-color .15s; }
.footer-social a:hover, .footer-social a:focus-visible { color: var(--ink); border-color: currentColor; }
.footer-social a::before { content: ""; width: 18px; height: 18px; background: currentColor; -webkit-mask: var(--icon) center / contain no-repeat; mask: var(--icon) center / contain no-repeat; }
.social-tiktok { --icon: url("https://cdn.jsdelivr.net/npm/simple-icons@13.0.0/icons/tiktok.svg"); }
.social-instagram { --icon: url("https://cdn.jsdelivr.net/npm/simple-icons@13.0.0/icons/instagram.svg"); }
.social-x { --icon: url("https://cdn.jsdelivr.net/npm/simple-icons@13.0.0/icons/x.svg"); }
.social-youtube { --icon: url("https://cdn.jsdelivr.net/npm/simple-icons@13.0.0/icons/youtube.svg"); }

/* Leaderboards ----------------------------------------------------------- */

.lb-controls { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 20px; margin-top: 32px; }
.lb-filters { display: flex; flex-wrap: wrap; gap: 12px; }
.lb-reset { margin-top: 16px; color: var(--muted); font-size: .9375rem; min-height: 1.5em; }

.lb-section { padding-top: clamp(32px, 4vw, 48px); padding-bottom: 0; }

/* Podium is this page's one loud moment */
.podium {
  display: grid; grid-template-columns: repeat(3, 1fr); align-items: end;
  gap: clamp(10px, 2vw, 24px);
  max-width: 820px; margin: 0 auto clamp(32px, 4vw, 48px);
}
.podium-spot { display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 0; }
.podium-avatar { width: clamp(72px, 12vw, 120px); aspect-ratio: 1; }
.podium-1 .podium-avatar { width: clamp(96px, 16vw, 160px); }
.podium-avatar svg { width: 100%; height: 100%; }
.podium-name {
  margin-top: 10px; max-width: 100%;
  font: 600 clamp(.9375rem, 1.6vw, 1.125rem)/1.2 var(--font-display);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.podium-xp { color: var(--muted); font-size: .875rem; }
.podium-block {
  width: 100%; margin-top: 12px;
  display: grid; place-items: start center; padding-top: 14px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font: 800 clamp(2rem, 5vw, 3.25rem)/1 var(--font-display);
}
.podium-1 .podium-block { height: clamp(110px, 16vw, 170px); background: var(--yellow); color: var(--navy-900); }
.podium-2 .podium-block { height: clamp(80px, 11vw, 120px); background: var(--royal); }
.podium-3 .podium-block { height: clamp(60px, 8vw, 90px); background: var(--navy-700); color: var(--royal-300); }

.lb-table-wrap { border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line); overflow: hidden; }
.lb-table { width: 100%; border-collapse: collapse; }
.lb-table th {
  padding: 14px 18px; text-align: left;
  font: 500 .8125rem var(--font-body); color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.lb-table td { padding: 10px 18px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.lb-table tbody tr:last-child td { border-bottom: 0; }
.lb-table tbody tr:hover { background: rgba(143, 168, 255, .06); }
.lb-table tr.is-you { background: rgba(255, 201, 40, .14); }
.lb-table tr.is-you .lb-name { color: var(--yellow); }
.col-rank { width: 64px; font: 800 1.125rem var(--font-display); color: var(--muted); }
.col-xp { text-align: right !important; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.col-change { width: 150px; text-align: right !important; }

.lb-player { display: flex; align-items: center; gap: 12px; min-width: 0; }
.lb-avatar {
  flex: none; width: 44px; height: 44px; border-radius: 14px;
  background: var(--navy-700); overflow: hidden;
}
.lb-avatar svg { width: 100%; height: 100%; }
.lb-name-wrap { display: flex; flex-direction: column; min-width: 0; }
.lb-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-sub { font-size: .8125rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tier { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: .8125rem; font-weight: 600; white-space: nowrap; }
.tier-master { background: var(--yellow); color: var(--navy-900); }
.tier-gold { background: rgba(255, 201, 40, .18); color: var(--yellow); }
.tier-river { background: rgba(35, 72, 224, .35); color: #DCE3FF; }
.tier-kelp { background: rgba(61, 220, 151, .16); color: var(--correct); }
.tier-reed, .tier-pebble { background: rgba(143, 168, 255, .14); color: var(--muted); }

.chg { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; font-size: .9375rem; }
.chg svg { width: 10px; height: 10px; fill: currentColor; }
.chg-up { color: var(--correct); }
.chg-down { color: var(--wrong); }
.chg-same, .chg-none { color: var(--muted); }
.chg-new { padding: 2px 8px; border-radius: 999px; background: var(--royal); color: var(--ink); font-size: .75rem; }

.you-bar {
  position: sticky; bottom: 0; z-index: 20;
  margin-top: 32px; padding-block: 12px;
  background: rgba(13, 29, 92, .96); backdrop-filter: blur(10px);
  border-top: 2px solid var(--yellow);
}
.you-inner { display: flex; align-items: center; gap: 14px; }
.you-rank { font: 800 1.5rem/1 var(--font-display); color: var(--yellow); min-width: 64px; }
.you-cta { margin-left: auto; }

/* Shop ------------------------------------------------------------------- */

.shop-hero { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 24px; }
.balance {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; border-radius: 999px;
  background: var(--navy-800); border: 2px solid rgba(255, 201, 40, .5);
}
.balance strong { font: 800 1.5rem/1 var(--font-display); color: var(--yellow); }
.balance a { font-size: .875rem; color: var(--royal-300); }
.shell-icon { width: 26px; height: 26px; fill: var(--yellow); stroke: var(--navy-900); stroke-width: 1.4; stroke-linecap: round; }

.shop-section { padding-top: clamp(24px, 3vw, 40px); }
.shop-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }

.preview {
  position: sticky; top: 96px;
  padding: 24px; text-align: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, var(--royal) 0%, var(--navy-700) 100%);
  border: 2px solid rgba(255, 201, 40, .55);
}
.preview-art { aspect-ratio: 240 / 230; }
.preview-art svg { width: 100%; height: 100%; }
.preview-label { margin-top: 14px; font-size: .875rem; color: #DCE3FF; }
.preview-name { margin-top: 2px; font: 800 1.5rem/1.15 var(--font-display); }
.preview-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 16px; }
.preview-actions:empty { display: none; }
.preview .link-btn { margin-top: 12px; color: #DCE3FF; }
.need { flex-basis: 100%; font-size: .8125rem; color: #DCE3FF; }

.items {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px; margin-top: 24px;
}
.item {
  display: flex; flex-direction: column;
  border-radius: var(--radius-md);
  background: var(--navy-800);
  border: 2px solid transparent;
  transition: border-color .15s ease;
}
.item.is-previewing { border-color: var(--yellow); }
.item.is-equipped { border-color: rgba(61, 220, 151, .6); }
.item-try {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 14px 14px 10px; border: 0; background: none; color: var(--ink);
  text-align: left; cursor: pointer; border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.item-art {
  align-self: stretch; aspect-ratio: 1; margin-bottom: 10px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm); background: var(--navy-700);
}
.item-art svg { width: 82%; height: 82%; }
.item-try:hover .item-art { background: #1A3088; }
.item-type { font-size: .75rem; color: var(--muted); }
.item-name { font: 600 1.0625rem/1.2 var(--font-display); }
.item-buy { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 14px 14px; margin-top: auto; }
.item-buy .btn { flex: 1 1 auto; padding-inline: 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.btn-equipped { background: rgba(61, 220, 151, .16); color: var(--correct); opacity: 1 !important; cursor: default !important; }

.earn-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.earn-list li {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px; border-radius: var(--radius-md);
  background: var(--navy-900); border: 1px solid var(--line); color: var(--muted);
}
.earn-list strong { font: 800 1.5rem/1 var(--font-display); color: var(--yellow); min-width: 52px; }

.modal {
  width: min(420px, calc(100% - 32px)); padding: 28px;
  border: 2px solid rgba(255, 201, 40, .55); border-radius: var(--radius-lg);
  background: var(--navy-800); color: var(--ink); text-align: center;
}
.modal::backdrop { background: rgba(3, 8, 30, .7); backdrop-filter: blur(3px); }
.modal-art { width: 180px; margin: 0 auto 12px; }
.modal-art svg { width: 100%; height: auto; }
.modal h2 { font-size: 1.625rem; font-weight: 800; }
.modal p { margin-top: 10px; color: var(--muted); }
.modal-actions { display: flex; gap: 10px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }

/* Study tools dropdown --------------------------------------------------- */

.nav-drop { position: relative; }
.nav-drop-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px; border: 0; border-radius: 999px;
  background: transparent; color: var(--muted);
  font: 400 .9688rem var(--font-body); white-space: nowrap; cursor: pointer;
}
.nav-drop-btn svg { width: 10px; height: 8px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform .2s ease; }
.nav-drop-btn:hover,
.nav-drop-btn[aria-expanded="true"] { color: var(--ink); background: rgba(143, 168, 255, .1); }
.nav-drop-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-drop-btn.is-current { color: var(--navy-900); background: var(--yellow); }

.nav-drop-panel {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  width: 340px; padding: 8px; display: grid; gap: 2px;
  background: var(--navy-800); border: 1px solid var(--line); border-radius: var(--radius-md);
  box-shadow: 0 24px 48px -16px rgba(0, 0, 0, .6);
}
.site-nav .drop-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px; border-radius: var(--radius-sm);
  color: var(--ink); white-space: normal; font-size: 1rem;
}
.site-nav .drop-item:hover,
.site-nav .drop-item[aria-current="page"] { background: rgba(143, 168, 255, .12); color: var(--ink); }
.drop-item svg {
  flex: none; width: 24px; height: 24px; margin-top: 2px;
  fill: none; stroke: var(--yellow); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.drop-item strong { display: block; font-weight: 600; }
.drop-item span span { display: block; font-size: .875rem; color: var(--muted); }

/* Homepage study tools section ------------------------------------------ */

.section-river {
  background:
    radial-gradient(800px 420px at 10% 0%, rgba(35, 72, 224, .35), transparent 70%),
    var(--navy-900);
}
.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.tool-panel {
  display: flex; flex-direction: column;
  padding: 28px; border-radius: var(--radius-lg);
  background: var(--navy-800); border: 1px solid var(--line);
  color: var(--ink); text-decoration: none;
  transition: border-color .15s ease;
}
.tool-panel:hover { border-color: var(--yellow); }
.tool-panel h3 { font-size: 1.5rem; font-weight: 800; }
.tool-panel p { margin-top: 8px; color: var(--muted); }
.tool-panel-cards {
  background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%);
  border: 2px solid rgba(255, 201, 40, .55);
}
.tool-panel-cards p { color: #DCE3FF; }
.tool-link { margin-top: auto; padding-top: 22px; color: var(--yellow); font-weight: 600; }
.mini-card {
  display: grid; gap: 6px; margin-top: 20px; padding: 16px 18px;
  border-radius: 14px; background: var(--ink); color: var(--navy-900);
  box-shadow: 6px 6px 0 rgba(255, 201, 40, .9);
}
.mini-card-q { font: 600 1.0625rem/1.3 var(--font-display); }
.mini-card-a { font-size: .875rem; color: var(--royal-600); }

/* Study pages: shared ---------------------------------------------------- */

.study-meta { color: var(--royal-300); font-size: .9688rem; min-height: 1.5em; }
.study-hero h1 { margin-top: 4px; }
.study-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px; margin-top: 28px; }
.topic-field select { min-width: 300px; }
.tool-switch .seg-btn { text-decoration: none; display: inline-block; }
.tool-switch .seg-btn[aria-current="page"] { background: var(--yellow); color: var(--navy-900); }
.study-section { padding-top: clamp(32px, 4vw, 48px); }

.field textarea,
.q-input input,
.q-written textarea {
  width: 100%; padding: 12px 14px;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--navy-900); color: var(--ink);
  font: 400 1rem/1.5 var(--font-body);
}
.field textarea, .q-written textarea { resize: vertical; }
.field textarea::placeholder, .q-input input::placeholder, .q-written textarea::placeholder { color: #7D8BBF; }

.notes-next {
  margin-top: 48px; padding: 28px;
  border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line);
}
.notes-next h2 { font-size: 1.5rem; font-weight: 800; }
.notes-next p { margin-top: 8px; color: var(--muted); }
.notes-next .hero-ctas { margin-top: 20px; }

/* Revision notes */
.notes-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); align-items: start; }
.notes-side { position: sticky; top: 96px; }
.notes-grid.no-toc { grid-template-columns: minmax(0, 1fr); }
.side-label { font-size: .8125rem; color: var(--muted); margin-bottom: 10px; }
.notes-side ol { border-left: 2px solid var(--line); }
.notes-side a {
  display: block; padding: 7px 0 7px 16px; margin-left: -2px;
  border-left: 2px solid transparent;
  color: var(--muted); text-decoration: none; font-size: .9375rem;
}
.notes-side a:hover { color: var(--ink); border-left-color: var(--yellow); }

.notes { max-width: 760px; }
.notes-summary { font-size: 1.25rem; color: var(--muted); }
.note-block { padding-top: 36px; }
.note-block h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; letter-spacing: -.02em; }
.note-block > p, .note-block > ul, .note-block > table, .note-block > .worked { margin-top: 14px; }
.note-block ul { list-style: disc; padding-left: 1.25em; }
.note-block li { margin-top: 8px; }
.note-block li::marker { color: var(--yellow); }
.note-block strong { color: var(--ink); }
.note-block table { width: 100%; border-collapse: collapse; border-radius: var(--radius-sm); overflow: hidden; }
.note-block th, .note-block td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.note-block th { background: var(--navy-800); font-weight: 600; font-size: .9375rem; }
.note-block td:first-child { font-weight: 600; white-space: nowrap; }
.note-block .bits th, .note-block .bits td { text-align: center; font-variant-numeric: tabular-nums; padding-inline: 4px; }
.note-block .bits td { color: var(--yellow); font-size: 1.125rem; }
.formula {
  display: inline-block; padding: 12px 18px;
  border-radius: var(--radius-sm); background: var(--navy-800); border-left: 4px solid var(--yellow);
  font: 600 1.125rem var(--font-display);
}
.worked { padding: 18px 20px; border-radius: var(--radius-md); background: rgba(35, 72, 224, .18); border: 1px solid var(--line); }
.worked p + p { margin-top: 6px; }
.exam-tip {
  margin-top: 40px; padding: 22px 24px;
  border-radius: var(--radius-md); background: rgba(255, 201, 40, .1); border: 2px solid rgba(255, 201, 40, .5);
}
.exam-tip h2 { font-size: 1.25rem; font-weight: 800; color: var(--yellow); }
.exam-tip p { margin-top: 8px; }

/* Flashcards */
.fc-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(28px, 4vw, 48px); align-items: start; }
.fc-progress { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .9375rem; color: var(--muted); }
.fc-tally { display: flex; gap: 16px; }
.tally-known strong { color: var(--correct); }
.tally-learning strong { color: var(--yellow); }
.meter.fc-meter { margin: 10px 0 22px; background: rgba(143, 168, 255, .18); }

.flashcard {
  display: block; width: 100%; aspect-ratio: 3 / 2; min-height: 280px;
  padding: 0; border: 0; background: transparent; color: inherit; font: inherit;
  perspective: 1400px; cursor: pointer;
}
.flashcard:focus-visible { outline-offset: 6px; border-radius: var(--radius-lg); }
.fc-inner {
  position: relative; display: block; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform .55s cubic-bezier(.2, .8, .2, 1);
}
.flashcard.is-flipped .fc-inner { transform: rotateY(180deg); }
.fc-face {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  padding: 32px; text-align: center;
  border-radius: var(--radius-lg);
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.fc-front { background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%); border: 2px solid rgba(255, 201, 40, .55); }
.fc-back { background: var(--yellow); color: var(--navy-900); transform: rotateY(180deg); }
.fc-label { font-size: .8125rem; font-weight: 600; color: var(--royal-300); }
.fc-back .fc-label { color: var(--navy-700); }
.flashcard.is-mine .fc-label::after { content: " (your card)"; }
.fc-text { font: 600 clamp(1.375rem, 2.6vw, 2rem)/1.25 var(--font-display); max-width: 26ch; }
.fc-hint { font-size: .8125rem; color: #DCE3FF; }
.fc-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.fc-keys { margin-top: 12px; text-align: center; font-size: .8125rem; color: var(--muted); }
.fc-done {
  padding: 40px 32px; text-align: center;
  border-radius: var(--radius-lg); background: var(--navy-800); border: 2px solid rgba(61, 220, 151, .5);
}
.fc-done h2 { font-size: 2rem; font-weight: 800; }
.fc-done p { margin-top: 10px; color: var(--muted); }
.fc-done .hero-ctas { justify-content: center; margin-top: 22px; }
.fc-tools { display: flex; justify-content: center; gap: 24px; margin-top: 18px; }

.fc-make { padding: 26px; border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line); }
.fc-make h2 { font-size: 1.5rem; font-weight: 800; }
.fc-make > p { margin-top: 6px; color: var(--muted); font-size: .9375rem; }
.fc-make form { display: grid; gap: 14px; margin-top: 18px; }
.fc-make h3 { margin-top: 28px; font: 600 1.125rem var(--font-display); }
.my-cards { display: grid; gap: 8px; margin-top: 12px; }
.my-cards li { display: grid; gap: 2px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--navy-900); }
.my-front { font-weight: 600; }
.my-back { color: var(--muted); font-size: .9375rem; }
.my-cards .link-btn { justify-self: start; font-size: .8125rem; margin-top: 4px; }
.my-cards .my-empty { background: none; padding: 0; color: var(--muted); font-size: .9375rem; }

/* Exam questions */
.q-wrap { max-width: 860px; }
.q-score-bar {
  position: sticky; top: 84px; z-index: 10;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 20px; border-radius: var(--radius-md);
  background: rgba(13, 29, 92, .96); backdrop-filter: blur(8px); border: 1px solid var(--line);
}
.q-score strong { font: 800 1.5rem var(--font-display); color: var(--yellow); }
.q-score span { margin-left: 10px; font-size: .875rem; color: var(--muted); }
.q-list { display: grid; gap: 18px; margin-top: 24px; }
.q-card { padding: 26px; border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line); }
.q-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.q-head h2 { font: 600 1.0625rem var(--font-body); color: var(--royal-300); }
.q-marks { font-size: .875rem; color: var(--muted); white-space: nowrap; }
.q-prompt { margin-top: 10px; font: 600 1.25rem/1.35 var(--font-display); }
.q-options { display: grid; gap: 10px; margin: 18px 0 16px; padding: 0; border: 0; }
.q-option {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 16px; border-radius: var(--radius-sm);
  border: 2px solid rgba(143, 168, 255, .3); cursor: pointer;
}
.q-option input { width: 18px; height: 18px; accent-color: var(--yellow); flex: none; }
.q-option:has(input:checked) { border-color: var(--yellow); background: rgba(255, 201, 40, .08); }
.q-option.is-correct { border-color: var(--correct); background: rgba(61, 220, 151, .14); }
.q-option.is-wrong { border-color: var(--wrong); background: rgba(255, 122, 122, .12); }
.q-option:has(input:disabled) { cursor: default; }
.q-input { display: flex; align-items: center; gap: 10px; margin: 18px 0 16px; }
.q-input input { max-width: 240px; font-size: 1.0625rem; }
.q-unit { font-weight: 600; color: var(--muted); }
.q-written { display: block; margin: 18px 0 16px; }
.q-feedback:empty { display: none; }
.q-feedback { margin-top: 16px; padding: 16px 18px; border-radius: var(--radius-sm); }
.q-feedback.is-right { background: rgba(61, 220, 151, .14); border-left: 4px solid var(--correct); }
.q-feedback.is-wrong { background: rgba(255, 122, 122, .12); border-left: 4px solid var(--wrong); }
.q-feedback.is-hint { padding: 0; color: var(--yellow); }
.q-feedback.is-scheme { background: rgba(35, 72, 224, .2); border-left: 4px solid var(--royal-300); }
.mark-points { display: grid; gap: 8px; margin-top: 12px; }
.mark-points label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; }
.mark-points input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--yellow); flex: none; }
.self-mark { margin-top: 12px; font-weight: 600; color: var(--yellow); }

/* Notes library ---------------------------------------------------------- */

.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; font-size: .9375rem; }
.crumbs li { display: flex; align-items: center; gap: 6px; color: var(--muted); }
.crumbs li + li::before { content: "/"; color: var(--line); color: rgba(143, 168, 255, .45); }
.crumbs a { color: var(--royal-300); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs + h1 { margin-top: 6px; }

.library-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 24px; }
.search-field input {
  width: 300px; padding: 11px 14px 11px 40px;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--navy-800) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%238FA8FF' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-4-4'/%3E%3C/svg%3E") no-repeat 13px center;
  color: var(--ink); font: 400 1rem var(--font-body);
}
.search-field input::placeholder { color: #7D8BBF; }

.subject-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.subject-card {
  display: flex; flex-direction: column; gap: 6px; height: 100%;
  padding: 18px 20px; border-radius: var(--radius-md);
  background: var(--navy-800); border: 1px solid var(--line);
  color: var(--ink); text-decoration: none;
  transition: border-color .15s ease, background-color .15s ease;
}
.subject-card:hover { border-color: var(--yellow); background: #12256B; }
.sc-name { font: 600 1.1875rem/1.2 var(--font-display); }
.sc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .875rem; color: var(--muted); }
.sc-ready { padding: 2px 9px; border-radius: 999px; background: rgba(61, 220, 151, .16); color: var(--correct); font-weight: 600; font-size: .8125rem; }
.library-empty { color: var(--muted); padding: 24px 0; }

.topic-list { display: grid; gap: 10px; max-width: 860px; }
.topic-row {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; align-items: center;
  padding: 18px 22px; border-radius: var(--radius-md);
  background: var(--navy-800); border: 1px solid var(--line); border-left: 4px solid var(--yellow);
  color: var(--ink); text-decoration: none;
}
.topic-row:hover { border-color: var(--yellow); }
.topic-row.is-soon { border-left-color: rgba(143, 168, 255, .35); }
.topic-row.is-soon .tr-title { color: var(--muted); }
.topic-row.is-soon:hover .tr-title { color: var(--ink); }
.tr-title { font: 600 1.125rem/1.3 var(--font-display); }
.tr-summary { grid-column: 1; font-size: .9375rem; color: var(--muted); }
.tr-by { grid-column: 2; grid-row: 1; font-size: .8125rem; color: var(--royal-300); text-align: right; }
.tr-soon { font-size: .8125rem; color: var(--muted); white-space: nowrap; }

.teacher-cta {
  max-width: 860px; margin-top: 32px; padding: 24px 26px;
  border-radius: var(--radius-lg); border: 2px dashed rgba(255, 201, 40, .5);
}
.teacher-cta h2 { font-size: 1.375rem; font-weight: 800; }
.teacher-cta p { margin-top: 8px; color: var(--muted); max-width: 56ch; }
.teacher-cta .btn { margin-top: 16px; }

.notes-soon { padding: 28px; border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line); }
.notes-soon h2 { font-size: 1.625rem; font-weight: 800; }
.notes-soon p { margin-top: 10px; color: var(--muted); }

/* Author credit at the bottom of each note */
.note-author {
  display: flex; align-items: center; gap: 16px;
  margin-top: 40px; padding: 20px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.note-author:empty { display: none; }
.author-avatar {
  flex: none; width: 52px; height: 52px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--yellow); color: var(--navy-900);
  font: 800 1.125rem var(--font-display);
}
.author-avatar.is-otter { width: 64px; height: 64px; background: var(--navy-700); border: 2px solid rgba(255, 201, 40, .55); overflow: hidden; }
.author-avatar.is-otter svg { width: 100%; height: 100%; }
.author-line { font-size: 1.0625rem; }
.author-line strong { font-weight: 600; }
.author-updated { margin-top: 2px; font-size: .875rem; color: var(--muted); }
.note-author.is-sample .author-line { font-size: .9375rem; color: var(--muted); }

/* Game mode pages -------------------------------------------------------- */

.game-section { padding-top: clamp(28px, 4vw, 44px); }
.field input:not([type="radio"]):not([type="checkbox"]) {
  width: 100%; padding: 11px 14px;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--navy-900); color: var(--ink);
  font: 400 1rem var(--font-body);
}
.field input::placeholder { color: #7D8BBF; }
.field input[type="date"] { color-scheme: dark; }

.setup-card {
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--navy-800); border: 1px solid var(--line);
}
.setup-card h2 { font-size: 1.5rem; font-weight: 800; }
.setup-card > p { margin-top: 8px; color: var(--muted); }
.setup-fields { display: flex; flex-wrap: wrap; align-items: end; gap: 16px; margin: 20px 0 24px; }
.setup-fields .field select { min-width: 240px; }
/* Number of questions slider (Solo Learn) */
.range-field { flex: 1 1 auto; min-width: min(100%, 260px); max-width: 420px; }
.range-field output { color: var(--yellow); font-weight: 800; font-size: 1rem; }
.range-row { display: flex; align-items: center; gap: 10px; min-height: 48px; }
.range-step {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--navy-900); color: var(--ink);
  font: 700 1.25rem/1 var(--font-body); cursor: pointer;
}
.range-step:hover { border-color: var(--yellow); color: var(--yellow); }
.field .range-row input[type="range"] {
  flex: 1; min-width: 0; height: 8px; padding: 0; border: 0; border-radius: 999px;
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background: linear-gradient(to right, var(--yellow) var(--fill, 10%), var(--navy-700) var(--fill, 10%));
}
.range-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%;
  background: var(--yellow); border: 3px solid var(--navy-900); box-shadow: 0 0 0 1px var(--yellow);
}
.range-row input[type="range"]::-moz-range-thumb {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--yellow); border: 3px solid var(--navy-900); box-shadow: 0 0 0 1px var(--yellow);
}
.range-row input[type="range"]:focus-visible { outline: 2px solid var(--yellow); outline-offset: 6px; }
.setup-stack { flex-direction: column; align-items: stretch; }
.setup-stack .field select { min-width: 0; width: 100%; }
.setup-note { margin-top: 14px; font-size: .875rem; color: var(--muted); }
.form-msg { margin-top: 12px; font-size: .9375rem; color: var(--royal-300); min-height: 1.4em; }
.form-msg:empty { display: none; }
.form-msg.is-error { color: var(--wrong); }

.game-setup-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: stretch; }
.rank-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 24px; border-radius: var(--radius-lg);
  background: linear-gradient(170deg, var(--royal) 0%, var(--navy-700) 100%);
  border: 2px solid rgba(255, 201, 40, .55);
}
.rank-avatar { width: 96px; height: 96px; }
.rank-avatar svg { width: 100%; height: 100%; }
.rank-name { margin-top: 8px; font: 800 1.25rem var(--font-display); }
.rank-tier { color: var(--yellow); font-weight: 600; font-size: .9375rem; }
.rank-elo { margin-top: 10px; color: #DCE3FF; }
.rank-elo strong { font: 800 1.75rem var(--font-display); color: var(--ink); }
.meter.rank-meter { width: 100%; margin-top: 10px; background: rgba(7, 18, 63, .55); }
.rank-next { margin-top: 6px; font-size: .8125rem; color: #DCE3FF; }
.rank-card .link-btn { margin-top: 10px; color: #DCE3FF; }

.match-root { margin-top: 28px; scroll-margin-top: 96px; }
.match-root:empty { display: none; }

/* The match itself reuses the homepage .arena styles */
.game-arena { max-width: 760px; margin-inline: auto; }
.game-avatar { flex: none; width: 52px; height: 52px; border-radius: 16px; overflow: hidden; background: rgba(7, 18, 63, .5); }
.game-avatar svg { width: 100%; height: 100%; }
.game-avatar.avatar-you { border: 2px solid var(--yellow); }
.game-avatar.avatar-rival { border: 2px solid var(--royal-300); }
.rival-flag { padding: 1px 8px; border-radius: 999px; background: var(--royal-300); color: var(--navy-900); font-size: .6875rem; font-weight: 600; }
.answer { display: flex; align-items: center; gap: 12px; }
.answer-key {
  flex: none; display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 8px;
  background: rgba(143, 168, 255, .2); font-size: .8125rem;
}
.answer.is-correct .answer-key, .answer.is-wrong .answer-key { background: rgba(7, 18, 63, .2); }
.solo-progress {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: 16px; font-size: .9375rem; color: #DCE3FF;
}
.solo-progress strong { font: 800 1.5rem var(--font-display); color: var(--yellow); }

.game-end { margin-top: 18px; padding: 22px; border-radius: var(--radius-md); background: rgba(7, 18, 63, .55); }
.game-end h3 { font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 800; }
.game-end > p { margin-top: 6px; color: #DCE3FF; }
.game-end-note { font-size: .875rem; }
.game-review { display: grid; gap: 8px; margin-top: 18px; }
.game-review li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border-radius: var(--radius-sm); background: rgba(13, 29, 92, .7); font-size: .9375rem; color: #DCE3FF; }
.game-review strong { color: var(--ink); font-weight: 600; }
.review-mark { flex: none; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; font-weight: 800; font-size: .8125rem; color: var(--navy-900); }
.game-review .is-right .review-mark { background: var(--correct); }
.game-review .is-wrong .review-mark { background: var(--wrong); }
.game-end-actions { margin-top: 20px; }

/* Matchmaking */
.matchmaking {
  max-width: 560px; margin-inline: auto; padding: 36px 28px; text-align: center;
  border-radius: var(--radius-lg); background: var(--navy-800); border: 2px solid rgba(255, 201, 40, .45);
}
.mm-ripple { position: relative; width: 140px; height: 140px; margin: 0 auto 18px; display: grid; place-items: center; }
.mm-ripple > span {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--royal-300); opacity: 0;
  animation: ripple 2.4s ease-out infinite;
}
.mm-ripple > span:nth-child(2) { animation-delay: .8s; }
.mm-ripple > span:nth-child(3) { animation-delay: 1.6s; }
.matchmaking.is-done .mm-ripple > span { animation: none; }
.mm-otter { width: 84px; height: 84px; border-radius: 26px; overflow: hidden; background: var(--navy-700); position: relative; }
.mm-otter svg { width: 100%; height: 100%; }
@keyframes ripple {
  0% { transform: scale(.55); opacity: .9; }
  100% { transform: scale(1.15); opacity: 0; }
}
.matchmaking h2 { font-size: 1.625rem; font-weight: 800; }
.matchmaking p { margin-top: 8px; color: var(--muted); }
.mm-time { font: 600 1.25rem var(--font-display); color: var(--yellow) !important; font-variant-numeric: tabular-nums; }
.matchmaking.is-done .mm-time { display: none; }
.matchmaking .hero-ctas { justify-content: center; margin-top: 20px; }

/* Solo Learn */
.step-title { display: flex; align-items: center; gap: 12px; margin: 8px 0 16px; font-size: 1.5rem; font-weight: 800; }
.step-title .step-num { width: 36px; height: 36px; border-radius: 11px; font-size: 1.125rem; }
.step-title ~ .step-title { margin-top: 36px; }
.mode-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mode-option {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  padding: 22px; border-radius: var(--radius-md); text-align: left;
  background: var(--navy-800); border: 2px solid var(--line); color: var(--ink);
  font: inherit; cursor: pointer;
}
.mode-option:hover:not(:disabled) { border-color: var(--royal-300); }
.mode-option.is-selected { border-color: var(--yellow); background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%); }
.mode-option:disabled { cursor: default; opacity: .65; }
.mode-option-name { font: 800 1.25rem var(--font-display); }
.mode-option-desc { font-size: .9375rem; color: var(--muted); }
.mode-option.is-selected .mode-option-desc { color: #DCE3FF; }
.soon-tag { margin-top: 6px; padding: 2px 10px; border-radius: 999px; background: rgba(143, 168, 255, .16); color: var(--royal-300); font-size: .75rem; font-weight: 600; }
.setup-wide .setup-fields { margin-top: 0; }

/* Host a Lobby */
.host-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
.join-card form, .join-card .field { margin-top: 16px; }
.join-card .btn { margin-top: 16px; }
.code-input { font: 600 1.375rem var(--font-display) !important; letter-spacing: .12em; text-align: center; }
.code-input-lg { font-size: 2rem !important; padding: 14px !important; text-transform: uppercase; }

.lobby-room {
  padding: clamp(22px, 3vw, 32px); border-radius: var(--radius-lg);
  background: var(--navy-800); border: 2px solid rgba(255, 201, 40, .5);
}
.lobby-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: end; }
.lobby-code-xl { font-size: clamp(3rem, 9vw, 5rem) !important; line-height: 1; margin-top: 8px; }
.lobby-info { text-align: right; color: var(--muted); }
.lobby-info strong { color: var(--ink); font-size: 1.125rem; }
.lobby-bar, .lobby-started {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px;
  margin-top: 24px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.lobby-bar strong { font: 800 1.5rem var(--font-display); color: var(--yellow); }
.lobby-started { display: block; }
.lobby-started h2 { font-size: 1.5rem; font-weight: 800; }
.lobby-started p { margin-top: 8px; color: var(--muted); max-width: 64ch; }
.lobby-started .btn { margin-top: 14px; }
.lobby-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin-top: 20px; }
.lobby-player {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px 8px 8px;
  border-radius: var(--radius-sm); background: var(--navy-900); font-weight: 600; font-size: .9375rem;
  animation: pop-in .35s cubic-bezier(.2, .8, .2, 1);
}
.lobby-avatar { flex: none; width: 36px; height: 36px; border-radius: 11px; overflow: hidden; background: var(--navy-700); }
.lobby-avatar svg { width: 100%; height: 100%; }
@keyframes pop-in { from { transform: scale(.8); opacity: 0; } to { transform: none; opacity: 1; } }
.lobby-wait { margin-top: 20px; color: var(--muted); }
.demo-note { margin-top: 20px; font-size: .8125rem; color: var(--muted); }

.lobby-player.is-real, .lobby-player.is-me { box-shadow: inset 0 0 0 2px var(--yellow); }
.real-tag { margin-left: auto; padding: 1px 8px; border-radius: 999px; background: var(--yellow); color: var(--navy-900); font-size: .6875rem; font-weight: 600; }

/* Join a game */
.join-room {
  max-width: 720px; margin: 0 auto; padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-lg); background: var(--navy-800); border: 2px solid rgba(255, 201, 40, .5);
}
.join-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.join-mode { color: var(--muted); }
.join-mode strong { color: var(--ink); }
.join-me { display: flex; align-items: center; gap: 20px; margin-top: 24px; }
.join-avatar { flex: none; width: 104px; height: 104px; border-radius: 28px; overflow: hidden; background: var(--navy-700); border: 2px solid var(--yellow); }
.join-avatar svg { width: 100%; height: 100%; }
.join-label { font-size: .875rem; color: var(--muted); }
.join-name { font: 800 clamp(1.75rem, 5vw, 2.5rem)/1.1 var(--font-display); color: var(--yellow); margin: 2px 0 6px; overflow-wrap: anywhere; }
.join-room .hero-ctas { margin-top: 22px; }
.join-status { margin-top: 22px; padding: 20px; border-radius: var(--radius-md); background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%); }
.join-status h2 { font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 800; }
.join-status p { margin-top: 6px; color: #DCE3FF; }
.join-count { margin-top: 20px; color: var(--muted); }
.join-count strong { font: 800 1.25rem var(--font-display); color: var(--yellow); }

/* Revision homework */
.code-card { max-width: 520px; margin-inline: auto; text-align: center; }
.code-card .field { margin-top: 18px; }
.code-card .btn { margin-top: 16px; width: 100%; }
.hw-intro {
  max-width: 620px; margin: 24px auto 0; padding: 28px; text-align: center;
  border-radius: var(--radius-lg); background: linear-gradient(170deg, var(--royal) 0%, var(--navy-700) 100%);
  border: 2px solid rgba(255, 201, 40, .55);
}
.hw-code-tag { display: inline-block; padding: 3px 12px; border-radius: 999px; background: rgba(7, 18, 63, .5); font-size: .8125rem; letter-spacing: .06em; }
.hw-intro h2 { margin-top: 12px; font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 800; }
.hw-meta { margin-top: 6px; color: #DCE3FF; }
.hw-facts { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 18px 0 22px; }
.hw-facts li { padding: 6px 14px; border-radius: 999px; background: rgba(7, 18, 63, .45); font-size: .9375rem; }
.hw-facts .is-late { background: rgba(255, 122, 122, .25); }

.builder { display: grid; gap: 24px; }
.builder-details { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.builder-add { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.builder-panel {
  margin: 0; padding: 22px; border-radius: var(--radius-lg);
  background: var(--navy-900); border: 1px solid var(--line);
}
.builder-panel legend { padding: 0 6px; font: 800 1.125rem var(--font-display); }
.builder-panel .setup-fields { margin: 8px 0 18px; }
.builder-panel > .field { margin-top: 8px; }
.field-hint { margin-top: 14px; font-size: .875rem; color: var(--muted); }
.own-options { display: grid; gap: 8px; margin-bottom: 16px; }
.own-opt { display: flex; align-items: center; gap: 10px; }
.own-opt input[type="radio"] { width: 18px; height: 18px; accent-color: var(--yellow); flex: none; }
.own-text {
  flex: 1; padding: 10px 12px; border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--navy-800); color: var(--ink); font: 400 .9688rem var(--font-body);
}
.builder-list h3, .hw-mine h3 { font: 600 1.25rem var(--font-display); }
.hw-questions { display: grid; gap: 8px; margin-top: 12px; counter-reset: hwq; }
.hw-questions li {
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  padding: 12px 16px; border-radius: var(--radius-sm); background: var(--navy-900);
}
.hwq-text { font-weight: 600; }
.hwq-answer { font-size: .875rem; color: var(--correct); }
.hwq-answer span { color: var(--muted); }
.hwq-empty { color: var(--muted); background: none !important; padding: 0 !important; }
.builder > .btn { justify-self: start; }
.hw-created {
  margin-top: 28px; padding: 28px; text-align: center;
  border-radius: var(--radius-lg); background: var(--navy-900); border: 2px solid var(--correct);
}
.hw-created p:not(.lobby-code) { margin-top: 8px; color: var(--muted); }
.hw-created .hero-ctas { justify-content: center; }
.hw-mine { margin-top: 40px; }
.hw-mine-list { display: grid; gap: 8px; margin-top: 12px; }
.hw-mine-list li { display: flex; align-items: center; gap: 16px; padding: 12px 16px; border-radius: var(--radius-sm); background: var(--navy-900); }
.hw-mine-code { font: 800 1.25rem var(--font-display); color: var(--yellow); letter-spacing: .08em; min-width: 92px; }
.hw-mine-info { flex: 1; font-size: .9375rem; color: var(--muted); }
.hw-mine-info strong { color: var(--ink); }
.hw-mine-actions { display: flex; gap: 14px; }

/* Catch phrase banners: rounded bar, squiggle pattern, outlined lettering */

.otter-banner {
  --outline: #07123F;
  display: inline-block; max-width: 100%; min-width: 11em;
  padding: 9px 22px; border-radius: 12px;
  color: #FFFFFF; text-align: center;
  font: 800 .9375rem/1.2 var(--font-display); letter-spacing: .01em;
  text-shadow:
    -1.5px -1.5px 0 var(--outline), 1.5px -1.5px 0 var(--outline),
    -1.5px 1.5px 0 var(--outline), 1.5px 1.5px 0 var(--outline),
    0 2.5px 0 var(--outline);
  box-shadow: inset 0 -4px 0 rgba(7, 18, 63, .18), 0 3px 0 rgba(7, 18, 63, .35);
  overflow-wrap: anywhere;
}
.otter-banner.is-lg { min-width: 13em; padding: 16px 30px; border-radius: 16px; font-size: 1.1875rem; }
.otter-banner.is-sm { min-width: 0; padding: 5px 12px; border-radius: 8px; font-size: .75rem; box-shadow: inset 0 -3px 0 rgba(7, 18, 63, .18); }
.otter-banner.is-sm { background-size: 38px 15px, auto !important; background-position: -3px 0, 0 0 !important; }

/* Accounts --------------------------------------------------------------- */

.account-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 14px 4px 4px; border-radius: 999px;
  background: var(--navy-800); border: 1px solid var(--line);
  color: var(--ink); text-decoration: none; white-space: nowrap;
}
.account-chip:hover { border-color: var(--yellow); }
.account-chip-otter { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; background: var(--navy-700); flex: none; }
.account-chip-otter svg { width: 100%; height: 100%; }
.account-chip-name { font-weight: 600; font-size: .9375rem; }
.account-chip-shells { font-size: .8125rem; color: var(--yellow); }
.account-chip-plan { padding: 2px 8px; border-radius: 999px; background: rgba(143, 168, 255, .16); color: var(--royal-300); font-size: .6875rem; font-weight: 600; letter-spacing: .02em; text-transform: uppercase; }
.account-chip-plan.is-plus { background: var(--yellow); color: var(--navy-900); }

.auth-hero { padding-bottom: 8px; }
.auth-section { padding-top: 24px; }
.auth-card {
  display: grid; gap: 6px;
  max-width: 520px; margin-inline: auto; padding: clamp(22px, 4vw, 34px);
  border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line);
}
.auth-card > .field { margin-top: 12px; }
.auth-card > .btn { margin-top: 18px; }
.auth-card h2 { font-size: 1.5rem; font-weight: 800; }
.auth-card > p { color: var(--muted); }
.field-help { font-size: .8125rem; color: var(--muted); }
.field-status { font-size: .875rem; min-height: 1.3em; }
.field-status.is-ok, .form-msg.is-ok { color: var(--correct); }
.field-status.is-error { color: var(--wrong); }
.check { display: flex; align-items: flex-start; gap: 10px; margin-top: 12px; font-size: .9375rem; color: var(--muted); cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--yellow); flex: none; }
.dob { margin: 12px 0 0; padding: 0; border: 0; }
.dob legend { padding: 0; margin-bottom: 6px; font-size: .875rem; color: var(--muted); }
.dob-row { display: grid; grid-template-columns: .8fr 1.5fr 1fr; gap: 10px; }
.dob .field select { min-width: 0; width: 100%; }
.under13 {
  margin-top: 14px; padding: 16px 18px; border-radius: var(--radius-md);
  background: rgba(255, 201, 40, .1); border: 2px solid rgba(255, 201, 40, .5);
}
.under13 h2 { font-size: 1.125rem; color: var(--yellow); }
.under13 p { margin-top: 6px; font-size: .9375rem; }
.auth-alt { text-align: center; font-size: .9375rem; margin-top: 6px; }
.auth-done .btn { justify-self: start; margin-top: 12px; }
.auth-demo {
  margin-bottom: 8px; padding: 14px 16px; border-radius: var(--radius-sm);
  background: rgba(143, 168, 255, .12); border-left: 4px solid var(--royal-300);
  font-size: .9375rem; color: var(--ink) !important;
}
.auth-demo-wide { max-width: 720px; }
#verify-box { text-align: center; }
.verify-otter { display: block; width: 200px; margin: 0 auto 16px; }
.verify-otter svg { width: 100%; height: auto; }
.verify-ctas { justify-content: center; margin-top: 20px; }

.account-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.account-card { padding: 26px; border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line); display: grid; gap: 10px; align-content: start; }
.account-card h2 { font-size: 1.375rem; font-weight: 800; }
.account-card > p { color: var(--muted); }
.account-card .btn { justify-self: start; }
.account-hero { grid-column: 1 / -1; display: flex; align-items: center; gap: 28px; background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%); border: 2px solid rgba(255, 201, 40, .55); }
.account-hero h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
.account-hero .btn { margin-top: 12px; }
.account-otter { width: 180px; flex: none; }
.account-otter svg { width: 100%; height: auto; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stats div, .details div { padding: 12px 14px; border-radius: var(--radius-sm); background: var(--navy-900); }
.stats dt, .details dt { font-size: .8125rem; color: var(--muted); }
.stats dd { margin: 2px 0 0; font: 800 1.5rem var(--font-display); color: var(--yellow); }
.details { display: grid; gap: 8px; }
.details dd { margin: 2px 0 0; overflow-wrap: anywhere; }
.live-note { margin-top: 10px; font-size: .875rem; color: var(--muted); }
.report-btn { margin-left: 8px; font-size: .75rem; }

/* Responsive ------------------------------------------------------------- */

@media (max-width: 1240px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    display: none; flex-direction: column; align-items: stretch; gap: 16px;
    padding: 16px var(--gutter) 24px;
    background: var(--navy-900); border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav ul { flex-direction: column; }
  .site-nav ul a { padding: 12px; font-size: 1.0625rem; }
  .nav-actions .btn { flex: 1; }
}

@media (max-width: 960px) {
  .hero-grid,
  .teachers-grid,
  .faq-wrap { grid-template-columns: 1fr; }
  .hero h1 { max-width: 12ch; }
  .arena { max-width: 560px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .mode-arena { grid-template-columns: 1fr; }
  .mode-art { display: none; }
  .plans { grid-template-columns: 1fr; max-width: 480px; }
  .plan-featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .steps { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .stage-tabs { width: 100%; }
  .stage-tab { flex: 1; padding-inline: 8px; }
  .board-select, .board-select select { width: 100%; }
}

@media (max-width: 420px) {
  .answers { grid-template-columns: 1fr; }
  .arena { padding: 16px; }
  .player-elo { font-size: .75rem; }
  .avatar { width: 36px; height: 36px; border-radius: 11px; }
  .hero-ctas .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* Leaderboard and shop at smaller sizes */
@media (max-width: 900px) {
  .shop-grid { grid-template-columns: 1fr; }
  .preview { position: static; max-width: 420px; width: 100%; margin-inline: auto; }
}

@media (max-width: 680px) {
  .lb-controls { flex-direction: column; align-items: stretch; }
  .seg { display: flex; }
  .seg-btn { flex: 1; padding-inline: 8px; }
  .lb-filters { display: grid; grid-template-columns: 1fr 1fr; }
  .field select { min-width: 0; width: 100%; }
  .col-tier { display: none; }
  .lb-table th, .lb-table td { padding-inline: 10px; }
  .lb-table { table-layout: fixed; }
  .lb-table th:nth-child(1) { width: 44px; }
  .lb-table th:nth-child(4) { width: 76px; }
  .lb-table th:nth-child(5) { width: 52px; }
  .lb-avatar { display: none; }
  .you-bar .lb-avatar { display: block; }
  #change-head { font-size: 0; }
  #change-head::after { content: "+/-"; font-size: .8125rem; }
  .lb-avatar { width: 36px; height: 36px; border-radius: 11px; }
  .you-rank { min-width: 0; font-size: 1.25rem; }
  .you-cta { display: none; }
  .items { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .item-buy { flex-direction: column; }
  .shop-hero { align-items: stretch; flex-direction: column; }
  .balance { border-radius: var(--radius-md); }
}

/* Study tools at smaller sizes */
@media (max-width: 1240px) {
  .nav-drop-btn { width: 100%; padding: 12px; font-size: 1.0625rem; justify-content: space-between; }
  .nav-drop-panel {
    position: static; transform: none; width: auto;
    margin: 4px 0 8px 12px; padding: 0;
    background: none; border: 0; box-shadow: none;
  }
}

@media (max-width: 960px) {
  .tools { grid-template-columns: 1fr; }
  .notes-grid, .fc-grid { grid-template-columns: 1fr; }
  .notes-side { position: static; }
}

@media (max-width: 680px) {
  .study-bar { flex-direction: column; align-items: stretch; }
  .topic-field select { min-width: 0; width: 100%; }
  .tool-switch { display: flex; }
  .tool-switch .seg-btn { flex: 1; padding-inline: 6px; font-size: .875rem; text-align: center; }
  .flashcard { aspect-ratio: 4 / 5; max-height: 420px; }
  .fc-face { padding: 24px; }
  .q-score-bar { top: 76px; padding: 12px 16px; }
  .q-score span { display: block; margin-left: 0; }
  .q-card { padding: 20px; }
}

/* Notes library at smaller sizes */
@media (max-width: 680px) {
  .library-bar { flex-direction: column; align-items: stretch; }
  .library-bar .seg { display: flex; }
  .library-bar .seg-btn { flex: 1; }
  .search-field input { width: 100%; }
  .subject-cards { grid-template-columns: 1fr 1fr; gap: 10px; }
  .subject-card { padding: 14px 16px; }
  .sc-name { font-size: 1.0625rem; }
  .topic-row { grid-template-columns: 1fr; padding: 16px 18px; }
  .tr-by { grid-column: 1; grid-row: auto; text-align: left; }
}

/* Contact at smaller sizes */
@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .contact-cards { grid-template-columns: 1fr; }
}

/* Game mode pages at smaller sizes */
@media (max-width: 960px) {
  .game-setup-grid, .host-grid, .builder-add { grid-template-columns: 1fr; }
  .mode-picker { grid-template-columns: 1fr; }
  .builder-details { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .setup-fields { flex-direction: column; align-items: stretch; }
  .setup-fields .seg { display: flex; }
  .setup-fields .seg-btn { flex: 1; }
  .setup-fields .field select { min-width: 0; width: 100%; }
  .setup-card > .btn-lg { width: 100%; }
  .builder-details { grid-template-columns: 1fr; }
  .lobby-info { text-align: left; }
  .hw-mine-list li { flex-wrap: wrap; }
  .game-avatar { width: 40px; height: 40px; border-radius: 12px; }
}

/* Accounts at smaller sizes */
@media (max-width: 760px) {
  .account-grid { grid-template-columns: 1fr; }
  .account-hero { flex-direction: column; text-align: center; }
  .account-hero .btn { justify-self: center; }
}
@media (max-width: 1240px) {
  .nav-actions .account-chip { flex: 1; justify-content: flex-start; }
  /* Open menu on phones and tablets: account (or Log in / Start free) first, just under the menu button */
  .site-nav .nav-actions { order: -1; flex-wrap: wrap; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
  .site-nav .nav-actions .account-chip { flex-basis: 100%; }
}

/* Live leaderboard states */
.lb-empty { padding: 28px 18px !important; text-align: center; color: var(--muted); }
.podium-spot.is-open .podium-name, .podium-spot.is-open .podium-xp { color: var(--muted); }
.podium-open { border: 2px dashed rgba(143, 168, 255, .4); border-radius: 50%; }
.you-inner .btn-ghost { margin-left: auto; }
.you-inner .btn-ghost + .btn-yellow { margin-left: 0; }

/* Logged-in header: keep everything on one line */
.site-nav { gap: 16px; }
@media (max-width: 1440px) {
  .site-nav ul a, .nav-drop-btn { padding-inline: 10px; }
  .account-chip-shells { display: none; }
}
@media (min-width: 1241px) {
  .brand { flex: none; }
}

/* Banners in the shop */
.banner-thumb { display: grid; place-items: center; width: 100%; height: 100%; padding: 10px; }
.preview-art { position: relative; }
.preview-banner { position: absolute; left: 0; right: 0; bottom: 4%; display: flex; justify-content: center; padding: 0 8px; }

/* Banners on the podium and account page */
.podium-banner { margin: 6px 0 2px; max-width: 100%; }
.podium-banner .otter-banner { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.account-hero .profile-banner { margin: 10px 0 4px; }
.otter-banner.is-sm {
  text-shadow: -1px -1px 0 var(--outline), 1px -1px 0 var(--outline), -1px 1px 0 var(--outline), 1px 1px 0 var(--outline);
}

/* Desktop header: menu sits a short way after the logo; Log in / Start free stay on the right */
@media (min-width: 1241px) {
  .site-nav { flex: 1; margin-left: 24px; }
  .nav-actions { margin-left: auto; }
}

/* Ranked Revision panel: crossed swords emoji */
.mode-art .mode-emoji { width: 100%; max-width: 220px; height: auto; margin-inline: auto; filter: drop-shadow(0 10px 18px rgba(3, 8, 30, .45)); }

/* Header brand name: the whiskered "O" logo stands in for the first letter */
.brand-o {
  display: inline-block;
  height: 0.86em; width: auto;     /* the O is 70% of the image's width, so this matches a typed O (0.61em wide) */
  margin: 0 -0.1em;                /* same spacing as the typed O; whiskers reach into the gaps */
  vertical-align: -0.075em;        /* bottom of the O (68/800 up from the image edge) sits on the baseline */
}

/* Header wordmark: no tile, just a larger "Ottered" with the whiskered O */
.site-header .brand-name { font-size: 2.125rem; }
@media (max-width: 680px) {
  .site-header .brand-name { font-size: 1.75rem; }
}

/* All game modes page and the individual game mode pages */
.mode-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.mode-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px; height: 100%;
  padding: 20px; border-radius: var(--radius-md);
  background: var(--navy-800); border: 1px solid var(--line);
  color: var(--ink); text-decoration: none;
  transition: border-color .15s ease, background-color .15s ease;
}
.mode-card:hover { border-color: var(--yellow); background: #12256B; }
.mode-card-ready { border: 2px solid rgba(255, 201, 40, .6); background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%); }
.mode-card-name { font: 800 1.25rem/1.2 var(--font-display); }
.mode-tile {
  display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px;
  color: #FFFFFF; font: 800 1.75rem/1 var(--font-display);
  text-shadow: 0 2px 0 rgba(7, 18, 63, .35);
  box-shadow: inset 0 -4px 0 rgba(7, 18, 63, .18);
}
.mode-tile-lg { width: 120px; height: 120px; border-radius: 32px; font-size: 3.75rem; flex: none; }
.ready-tag { margin-top: 6px; padding: 2px 10px; border-radius: 999px; background: var(--yellow); color: var(--navy-900); font-size: .75rem; font-weight: 600; }
.mode-card .soon-tag { margin-top: 6px; }
/* A mode card with a picture instead of a letter tile */
.mode-card-art { padding: 12px 12px 18px; }
.mode-thumb { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 12px; margin-bottom: 4px; }
.mode-card-art .mode-card-name, .mode-card-art .mode-card-desc, .mode-card-art .ready-tag { margin-inline: 6px; }
.mode-card-desc { font-size: .875rem; color: var(--muted); line-height: 1.4; }

.mode-ways-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 32px; }
.mode-way {
  display: grid; gap: 4px; padding: 18px 20px; border-radius: var(--radius-md);
  background: var(--navy-900); border: 1px solid var(--line); color: var(--ink); text-decoration: none;
}
.mode-way:hover { border-color: var(--royal-300); }
.mode-way span { font-size: .9375rem; color: var(--muted); }

.mode-page { max-width: 860px; }
.mode-soon {
  display: flex; align-items: flex-start; gap: 28px;
  padding: clamp(24px, 4vw, 36px); border-radius: var(--radius-lg);
  background: var(--navy-800); border: 1px solid var(--line);
}
.mode-soon h2 { margin-top: 12px; font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; }
.mode-soon > div > p { margin-top: 10px; color: var(--muted); max-width: 56ch; }
.mode-ways { display: grid; gap: 8px; margin-top: 18px; }
.mode-ways li { color: var(--muted); }
.mode-ways strong { color: var(--ink); }
.mode-soon .hero-ctas { margin-top: 24px; }
.game-root:empty { display: none; }

@media (max-width: 680px) {
  .mode-ways-row { grid-template-columns: 1fr; }
  .mode-soon { flex-direction: column; }
  .mode-tile-lg { width: 88px; height: 88px; border-radius: 24px; font-size: 2.75rem; }
}

/* Otter Plus line in "How to earn shells" */
.earn-list .earn-plus { border: 2px solid rgba(255, 201, 40, .55); background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%); color: #DCE3FF; }

/* Homepage subjects: on phones, fold the list behind a dropdown button */
.subjects-toggle { display: none; }
@media (max-width: 680px) {
  .subjects-toggle {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    width: 100%; padding: 14px 18px; margin-bottom: 12px;
    border-radius: var(--radius-md); border: 1px solid var(--line);
    background: var(--navy-800); color: var(--ink);
    font: 600 1.0625rem var(--font-body); cursor: pointer;
  }
  .subjects-toggle svg { width: 14px; height: 10px; fill: none; stroke: var(--yellow); stroke-width: 2; transition: transform .2s ease; }
  .subjects-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
  .subject-grid { display: none; }
  .subject-grid.is-open { display: grid; gap: 10px; }
  .subject-grid.is-open .subject { padding: 14px 16px; }
}

/* Settings page ---------------------------------------------------------- */
.settings-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
.settings-nav { position: sticky; top: 96px; display: grid; gap: 4px; }
.settings-nav a {
  padding: 10px 14px; border-radius: var(--radius-sm);
  color: var(--muted); text-decoration: none; font-weight: 500;
}
.settings-nav a:hover { color: var(--ink); background: rgba(143, 168, 255, .1); }
.settings-body { display: grid; gap: 18px; min-width: 0; }
.settings-card {
  padding: clamp(22px, 3vw, 30px); border-radius: var(--radius-lg);
  background: var(--navy-800); border: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.settings-card > h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 14px; }
.settings-card > p { color: var(--muted); }
.settings-signin { color: var(--muted); }

.profile-row { display: flex; align-items: center; gap: 24px; }
.settings-otter { width: 170px; flex: none; border-radius: var(--radius-md); background: var(--navy-700); overflow: hidden; }
.settings-otter svg { width: 100%; height: auto; display: block; }
.settings-name { font: 800 clamp(1.5rem, 3vw, 2rem)/1.1 var(--font-display); overflow-wrap: anywhere; }
.settings-stats { margin-top: 20px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.settings-stats dd { font-size: 1.25rem; }
/* Second row: Answered Correctly and Incorrectly under Shells and XP; Games played and
   Questions answered under Items owned and Joined. */
#set-profile .settings-stats div:nth-child(5) { grid-area: 2 / 3; }
#set-profile .settings-stats div:nth-child(6) { grid-area: 2 / 4; }
#set-profile .settings-stats div:nth-child(7) { grid-area: 2 / 1; }
#set-profile .settings-stats div:nth-child(8) { grid-area: 2 / 2; }
#set-profile .settings-stats div:nth-child(7) dd { color: var(--correct); }
#set-profile .settings-stats div:nth-child(8) dd { color: var(--wrong); }
#set-profile .settings-stats .stat-streak { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: linear-gradient(90deg, rgba(255, 159, 67, .16), rgba(7, 18, 63, .55)); border: 1px solid rgba(255, 159, 67, .4); }
#set-profile .settings-stats .stat-streak dd { display: flex; align-items: center; gap: 8px; margin: 0; color: #FF9F43; }
.stat-flame { width: 22px; height: 22px; background: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.5 2c.8 3.6 5.5 5.3 5.5 10.4A6 6 0 0 1 6 12.6c0-2.3 1.2-4 2.4-5 0 2.2 1 3.4 2.2 3.4 0-3.3-.8-5.6 1.9-9z' fill='%23FF9F43'/%3E%3Cpath d='M12 21a3.4 3.4 0 0 1-3.4-3.4c0-1.6 1-2.6 1.9-3.3.2 1.2.9 1.9 1.6 1.9.1-1.6.3-2.8 1.7-4 .5 2.1 2.2 3.1 2.2 5.4A3.6 3.6 0 0 1 12 21z' fill='%23FFC928'/%3E%3C/svg%3E"); }

.plan-name { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.plan-badge { padding: 4px 12px; border-radius: 999px; background: rgba(143, 168, 255, .16); color: var(--royal-300); font-weight: 600; font-size: .875rem; }
.plan-badge.is-plus { background: var(--yellow); color: var(--navy-900); }
#set-membership .ticks { margin: 14px 0 18px; }
#set-membership .ticks li { color: var(--ink); }

.edit-forms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.edit-form { display: grid; gap: 8px; align-content: start; padding: 18px; border-radius: var(--radius-md); background: var(--navy-900); }
.edit-form .btn { justify-self: start; margin-top: 4px; }

.social-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.social-link {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  border-radius: var(--radius-md); background: var(--navy-900); border: 1px solid var(--line);
  color: var(--ink); text-decoration: none;
}
.social-link:hover { border-color: var(--yellow); }
.social-link svg { width: 36px; height: 36px; flex: none; }
.social-link span span { display: block; font-size: .875rem; color: var(--muted); }

.support-list, .privacy-list { display: grid; gap: 10px; }
.support-list li, .privacy-list li {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 16px; align-items: center;
  padding: 14px 16px; border-radius: var(--radius-sm); background: var(--navy-900);
}
.support-list strong, .privacy-list strong { grid-column: 1; }
.support-list span, .privacy-list span { grid-column: 1; font-size: .9375rem; color: var(--muted); }
.support-list a { grid-column: 2; grid-row: 1 / span 2; color: var(--yellow); font-weight: 600; white-space: nowrap; }
.privacy-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.privacy-links { margin-top: 14px; }

@media (max-width: 900px) {
  .settings-layout { grid-template-columns: 1fr; }
  .settings-nav { position: static; display: flex; overflow-x: auto; gap: 6px; padding-bottom: 4px; }
  .settings-nav a { white-space: nowrap; background: var(--navy-800); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; }
  .social-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .edit-forms { grid-template-columns: 1fr; }
  .profile-row { flex-direction: column; align-items: flex-start; }
  .settings-stats { grid-template-columns: 1fr 1fr; }
  #set-profile .settings-stats div:nth-child(n+5):not(.stat-streak) { grid-area: auto; }
  .support-list li { grid-template-columns: 1fr; }
  .support-list a { grid-column: 1; grid-row: auto; }
}

/* Homepage demo battle ----------------------------------------------------- */
.hero-battle { min-width: 0; }
.hero-battle .game-arena { max-width: none; }

/* Admin page ------------------------------------------------------------- */
.btn-danger { background: transparent; color: var(--wrong); border: 2px solid rgba(255, 122, 122, .6); }
.btn-danger:hover { background: rgba(255, 122, 122, .12); border-color: var(--wrong); }
.admin-count { margin-left: 6px; padding: 1px 8px; border-radius: 999px; background: var(--wrong); color: var(--navy-900); font-size: .75rem; font-weight: 600; }
.admin-search { display: flex; align-items: flex-end; gap: 10px; }
.admin-search .field { flex: 1; min-width: 0; }
.admin-players, .admin-reports, .admin-log { display: grid; gap: 10px; margin-top: 14px; padding: 0; list-style: none; }
.admin-player { border-radius: var(--radius-md); background: rgba(7, 18, 63, .55); border: 1px solid var(--line); }
.admin-player.is-open { border-color: rgba(255, 201, 40, .55); }
.admin-player-row { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 2fr) auto; align-items: center; gap: 16px; padding: 14px 16px; }
.admin-player-name { font-weight: 600; overflow-wrap: anywhere; }
.admin-player-email { margin-top: 2px; font-size: .875rem; color: var(--muted); overflow-wrap: anywhere; }
.admin-player-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 0; }
.admin-player-stats dt { font-size: .75rem; color: var(--royal-300); }
.admin-player-stats dd { margin: 0; font-size: .875rem; }
.admin-badge { display: inline-block; margin: 2px 0 0 4px; padding: 1px 8px; border-radius: 999px; background: rgba(143, 168, 255, .16); color: var(--royal-300); font-size: .75rem; font-weight: 600; vertical-align: 2px; }
.admin-badge.is-plus { background: rgba(255, 201, 40, .16); color: var(--yellow); }
.admin-badge.is-admin { background: rgba(61, 220, 151, .16); color: var(--correct); }
.admin-badge.is-warn { background: rgba(255, 122, 122, .16); color: var(--wrong); }
.admin-edit { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; padding: 4px 16px 16px; }
.admin-edit .check, .admin-edit-actions, .admin-edit .form-msg { grid-column: 1 / -1; }
.admin-edit-actions { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.admin-report { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radius-md); background: rgba(7, 18, 63, .55); border: 1px solid var(--line); }
.admin-report-reason { margin-top: 4px; color: var(--muted); overflow-wrap: anywhere; }
.admin-report-actions { display: flex; gap: 8px; flex: none; }
.admin-log li { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px; font-size: .9375rem; color: var(--muted); }
.admin-log strong { color: var(--ink); }
.admin-log-time { color: var(--royal-300); font-size: .875rem; }
.admin-empty { color: var(--muted); }
.admin-dialog { text-align: left; }
.admin-dialog .field { margin-top: 16px; }
@media (max-width: 900px) {
  .admin-player-row { grid-template-columns: minmax(0, 1fr) auto; }
  .admin-player-stats { grid-column: 1 / -1; grid-row: 2; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-report { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .admin-search { flex-direction: column; align-items: stretch; }
  .admin-edit { grid-template-columns: minmax(0, 1fr); }
  .admin-log li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
}
.settings-nav a.settings-admin-link { color: var(--correct); }

/* Settings > Progress reports */
.report-settings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 16px; }
.report-settings .seg { justify-self: start; }
.report-settings .seg-btn { padding: 8px 16px; font-size: .9375rem; }
.report-recipients { display: grid; gap: 8px; padding: 0; list-style: none; }
.report-recipients:empty { display: none; }
.report-recipients li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); background: rgba(143, 168, 255, .08); }
.report-recipients strong { display: block; font-size: .9375rem; overflow-wrap: anywhere; }
.report-status { display: block; font-size: .8125rem; color: var(--muted); }
.report-status.is-active { color: var(--correct); }
.report-status.is-pending { color: var(--yellow); }
.report-actions { display: flex; gap: 12px; flex: none; }
.report-preview { width: min(640px, calc(100% - 32px)); text-align: left; }
.report-preview iframe { width: 100%; height: min(62vh, 640px); margin-top: 14px; border: 0; border-radius: var(--radius-md); background: #07123F; }
@media (max-width: 900px) { .report-settings { grid-template-columns: minmax(0, 1fr); } }
.prefs-card p strong { color: var(--ink); }
.prefs-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.prefs-actions:empty { display: none; }

/* Teachers and classes ----------------------------------------------------- */
.teach-school { color: var(--muted); margin-bottom: 14px; }
.teach-school strong { color: var(--yellow); }
.teach-links { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.teach-h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 14px; }
.class-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; padding: 0; list-style: none; }
.class-card {
  display: grid; gap: 6px; width: 100%; height: 100%; padding: 18px 20px; text-align: left;
  border-radius: var(--radius-md); background: var(--navy-800); border: 1px solid var(--line);
  color: var(--ink); text-decoration: none; font: inherit; cursor: pointer;
}
.class-card:hover, .class-card:focus-visible { border-color: var(--yellow); }
.class-card.is-archived { opacity: .7; }
.class-card-name { font: 800 1.25rem/1.2 var(--font-display); overflow-wrap: anywhere; }
.class-card-meta { font-size: .875rem; color: var(--muted); }
.class-card-stats { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 4px; font-size: .875rem; color: var(--muted); }
.class-card-stats strong { color: var(--ink); }
.class-card-code { font-size: .8125rem; color: var(--royal-300); }
.class-card-code strong { color: var(--yellow); letter-spacing: .08em; }
.live-pill { display: inline-flex; align-items: center; gap: 6px; padding: 1px 10px; border-radius: 999px; background: rgba(255, 122, 122, .16); color: var(--wrong); font-weight: 600; }
.teach-new { margin-top: 24px; }
.teach-new h2 { font-size: 1.375rem; font-weight: 800; }
.teach-new-row { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto; gap: 12px; align-items: end; margin: 12px 0 8px; }
.teach-archived { margin-top: 24px; color: var(--muted); }
.teach-archived summary { cursor: pointer; margin-bottom: 12px; }

.join-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; border-color: rgba(255, 201, 40, .45); }
.join-label { font-size: .9375rem; color: var(--muted); }
.join-label strong { color: var(--ink); }
.join-code { font: 800 clamp(2.25rem, 5vw, 3rem)/1 var(--font-display); letter-spacing: .12em; color: var(--yellow); margin-top: 4px; }
.join-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.join-card .form-msg { flex-basis: 100%; margin-top: 0; }

.card-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin-bottom: 14px; }
.card-head h2 { margin: 0; font-size: 1.5rem; font-weight: 800; }
.field-inline { flex-direction: row; align-items: center; gap: 8px; }
.field-inline select { width: auto; }
.card-h3 { font-size: 1.125rem; font-weight: 800; margin: 22px 0 6px; }
.heatmap { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 10px; padding: 0; list-style: none; }
.heat { display: grid; gap: 2px; padding: 12px; border-radius: var(--radius-sm); border: 1px solid transparent; }
.heat.is-good { background: rgba(61, 220, 151, .16); border-color: rgba(61, 220, 151, .4); }
.heat.is-ok { background: rgba(255, 201, 40, .12); border-color: rgba(255, 201, 40, .35); }
.heat.is-weak { background: rgba(255, 159, 67, .16); border-color: rgba(255, 159, 67, .45); }
.heat.is-bad { background: rgba(255, 122, 122, .2); border-color: rgba(255, 122, 122, .55); }
.heat-topic { font-weight: 600; font-size: .9375rem; overflow-wrap: anywhere; }
.heat-pct { font: 800 1.5rem/1.1 var(--font-display); }
.heat.is-good .heat-pct { color: var(--correct); }
.heat.is-ok .heat-pct { color: var(--yellow); }
.heat.is-weak .heat-pct { color: #FF9F43; }
.heat.is-bad .heat-pct { color: var(--wrong); }
.heat-meta { font-size: .75rem; color: var(--muted); }
.missed-list { display: grid; gap: 10px; margin-top: 8px; padding-left: 22px; }
.missed-list li { color: var(--ink); }
.missed-list li span { display: block; font-size: .875rem; }
.missed-answer { color: var(--correct); }
.missed-meta { color: var(--muted); }
.missed-list .admin-empty { list-style: none; margin-left: -22px; }

.table-wrap { overflow-x: auto; margin-top: 12px; }
.roster { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.roster th, .roster td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.roster thead th { font-size: .8125rem; font-weight: 500; color: var(--royal-300); }
.roster tbody th { font-weight: 600; }
.roster-name { display: block; }
.roster-user { font-size: .8125rem; font-weight: 400; color: var(--muted); }
.roster-actions { white-space: nowrap; text-align: right; }
.roster-actions .link-btn + .link-btn { margin-left: 12px; }
.roster tr.is-quiet td, .roster tr.is-quiet th { color: var(--muted); }

.hw-form { margin-bottom: 16px; }
.hw-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.hw-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.hw-item { border-radius: var(--radius-md); background: var(--navy-900); border: 1px solid var(--line); }
.hw-item summary { display: grid; gap: 4px; padding: 14px 16px; cursor: pointer; }
.hw-item details[open] summary { border-bottom: 1px solid var(--line); }
.hw-title { font-weight: 600; }
.hw-meta { display: block; font-size: .875rem; color: var(--muted); }
.hw-done { font-size: .875rem; color: var(--muted); }
.hw-done strong { color: var(--yellow); }
.hw-results { margin: 6px 16px; width: calc(100% - 32px); }
.hw-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 12px 16px 16px; }
.hw-student { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; }
.hw-status { display: inline-block; margin-top: 6px; font-size: .8125rem; font-weight: 600; color: var(--yellow); }
.hw-status.is-done { color: var(--correct); }
.hw-status.is-late { color: var(--wrong); }

.source { display: grid; gap: 10px; margin: 0; padding: 0; border: 0; }
.source legend { padding: 0; margin-bottom: 6px; font-size: .875rem; color: var(--muted); }
.source .seg { justify-self: start; }
.source .seg-btn { padding: 8px 14px; font-size: .875rem; }
.source .seg-btn:disabled { opacity: .45; cursor: not-allowed; }
.topic-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0 14px; }
.topic-pick .field-help { grid-column: 1 / -1; margin-top: 4px; }
.topic-pick .check { margin-top: 8px; }
.topic-count { font-size: .75rem; color: var(--royal-300); }

.live-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin: 14px 0; }
.live-title { display: flex; align-items: center; gap: 8px; font: 800 1.375rem var(--font-display); }
.live-timer { font: 800 1.375rem var(--font-display); color: var(--yellow); margin-right: auto; }
.live-scores { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; padding: 0; list-style: none; counter-reset: live; }
.live-scores li { display: flex; justify-content: space-between; gap: 10px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--navy-900); border: 1px solid var(--line); font-size: .9375rem; }
.live-scores li span:last-child { color: var(--muted); white-space: nowrap; }
.live-scores li.is-done { border-color: rgba(61, 220, 151, .5); }
.live-scores li.is-done span:last-child { color: var(--correct); font-weight: 600; }
.live-scores li.is-playing span:last-child { color: var(--yellow); }
.live-scores li.is-waiting { opacity: .65; }
.live-banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; padding: 16px 20px; border-radius: var(--radius-md); background: rgba(255, 122, 122, .12); border: 1px solid rgba(255, 122, 122, .45); }
.live-banner p { display: flex; align-items: center; gap: 8px; }

.class-lb { display: grid; gap: 6px; padding: 0; list-style: none; counter-reset: lb; }
.class-lb li { display: flex; justify-content: space-between; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--navy-900); counter-increment: lb; }
.class-lb li::before { content: counter(lb); min-width: 1.5em; color: var(--royal-300); font-weight: 600; }
.class-lb li > span { flex: 1; }
.class-lb li strong { color: var(--yellow); white-space: nowrap; }
.class-lb li.is-me { outline: 2px solid var(--yellow); }
.class-lb .admin-empty { background: none; counter-increment: none; }
.class-lb .admin-empty::before { content: none; }

.cs-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; grid-column: 1 / -1; }
.award-amounts { margin-top: 16px; }
.back-link { color: var(--royal-300); }
.k-layout { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.k-leave { margin-top: 18px; text-align: right; }

.qs-editor { display: grid; gap: 14px; }
.qs-import { padding: 14px 16px; border-radius: var(--radius-md); background: var(--navy-900); }
.qs-import summary { cursor: pointer; font-weight: 600; }
.qs-import > * + * { margin-top: 10px; }
.qs-questions { display: grid; gap: 12px; padding-left: 26px; }
.qs-q { padding: 16px; border-radius: var(--radius-md); background: var(--navy-900); border: 1px solid var(--line); }
.qs-q::marker { color: var(--royal-300); font-weight: 600; }
.qs-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 10px 0 0; padding: 0; border: 0; }
.qs-options legend { padding: 0; margin-bottom: 6px; font-size: .8125rem; color: var(--muted); }
.qs-option { display: flex; align-items: center; gap: 8px; }
.qs-option input[type="radio"] { width: 18px; height: 18px; flex: none; accent-color: var(--correct); }
.qs-option input[data-option] { flex: 1; min-width: 0; padding: 9px 12px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--navy-800); color: var(--ink); font: inherit; font-size: .9375rem; }
.qs-q-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin-top: 12px; }
.qs-q textarea { width: 100%; }

@media (max-width: 900px) {
  .teach-new-row { grid-template-columns: minmax(0, 1fr); }
  .k-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .qs-options { grid-template-columns: minmax(0, 1fr); }
  .hw-student { flex-direction: column; align-items: stretch; }
  .roster-actions { white-space: normal; }
}
.page-note { margin-top: 18px; max-width: 760px; padding: 14px 18px; border-radius: var(--radius-md); background: rgba(255, 201, 40, .1); border: 1px solid rgba(255, 201, 40, .4); color: var(--muted); }
.page-note strong { color: var(--ink); }
.page-note a { color: var(--yellow); }
/* Keep cards within the screen: wide tables scroll inside their own box instead. */
.settings-body { grid-template-columns: minmax(0, 1fr); }
.settings-body > * { min-width: 0; }
.hw-item details { overflow-x: auto; }
@media (max-width: 560px) {
  .join-actions .btn { flex: 1 1 auto; white-space: normal; }
  .join-label strong { overflow-wrap: anywhere; }
}
.qs-editor { grid-template-columns: minmax(0, 1fr); }
.qs-editor > *, .qs-q, .qs-q-foot .field { min-width: 0; }
.qs-q select, .qs-editor input[type="file"] { max-width: 100%; min-width: 0; }
.live-type { font-size: .875rem; color: var(--muted); }
.heatmap .admin-empty, .class-grid .admin-empty, .live-scores .admin-empty { grid-column: 1 / -1; }

/* Levels and name colours (js/levels.js) ------------------------------------ */
.pname-white { color: var(--ink); }
.pname-green { color: #3DDC97; }
.pname-blue { color: #6E9BFF; }
.pname-pink { color: #FF8CC6; }
.pname-purple { color: #B98CFF; }
.pname-orange { color: #FF9F43; }
.pname-red { color: #FF6B6B; }
/* Sparkling names: a steady colour, with two small stars that twinkle. */
.pname-silver, .pname-gold { position: relative; }
.pname-silver { color: #DCE3EF; }
.pname-gold { color: #FFC928; }
.pname-silver::before, .pname-silver::after, .pname-gold::before, .pname-gold::after {
  content: "\2726"; position: absolute; font-size: .55em; line-height: 1; pointer-events: none;
  animation: name-twinkle 2.4s ease-in-out infinite;
}
.pname-silver::before, .pname-silver::after { color: #FFFFFF; }
.pname-gold::before, .pname-gold::after { color: #FFF1B8; }
.pname-silver::before, .pname-gold::before { top: -.45em; right: -.55em; }
.pname-silver::after, .pname-gold::after { bottom: -.25em; left: -.5em; font-size: .4em; animation-delay: 1.2s; }
@keyframes name-twinkle { 0%, 100% { opacity: 0; transform: scale(.4) rotate(0deg); } 50% { opacity: 1; transform: scale(1) rotate(90deg); } }

/* Rainbow and Legendary scroll their colours. */
.pname-rainbow, .pname-legend {
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 200% 100%; animation: legend-shimmer 4s linear infinite;
}
.pname-rainbow { background-image: linear-gradient(90deg, #FF6B6B, #FF9F43, #FFC928, #3DDC97, #2DD4BF, #6E9BFF, #B98CFF, #FF8CC6, #FF6B6B); }
.pname-legend {
  background-image: linear-gradient(90deg, #FFC928, #FFF4C2, #FF8CC6, #B98CFF, #6E9BFF, #FFC928);
  text-shadow: 0 0 18px rgba(255, 201, 40, .25);
}
@keyframes legend-shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  .pname-legend, .pname-rainbow { animation: none; background-position: 50% 0; }
  .pname-silver::before, .pname-silver::after, .pname-gold::before, .pname-gold::after { animation: none; opacity: .8; }
}

.level-pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 12px; border-radius: 999px; background: rgba(110, 155, 255, .16); color: #C9D6FF; font-weight: 600; font-size: .875rem; }
.level-pill strong { color: var(--ink); font: 800 1rem var(--font-display); }
.level-bar { margin-top: 8px; max-width: 360px; }
.level-bar-track { height: 8px; border-radius: 999px; background: rgba(143, 168, 255, .16); overflow: hidden; }
.level-bar-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--royal), var(--yellow)); }
.level-bar-text { margin-top: 4px; font-size: .8125rem; color: var(--muted); }
.lb-level { color: var(--royal-300); font-weight: 600; }

.name-colors { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 10px; }
.name-color {
  display: grid; gap: 2px; padding: 10px 12px; border-radius: var(--radius-sm); text-align: left;
  background: var(--navy-900); border: 2px solid transparent; color: var(--ink); font: inherit; cursor: pointer;
}
.name-color:hover:not(:disabled) { border-color: rgba(255, 201, 40, .5); }
.name-color[aria-pressed="true"] { border-color: var(--yellow); }
.name-color:disabled { cursor: not-allowed; opacity: .55; }
.name-color .pname { font: 800 1.0625rem var(--font-display); overflow-wrap: anywhere; }
.name-color small { font-size: .75rem; color: var(--muted); }
.podium-level { margin-top: 2px; font-size: .8125rem; font-weight: 600; color: var(--royal-300); }

/* Game feel: top bar, streaks, effects and rewards (js/game.js) -------------- */
.game-arena { position: relative; }
.game-hud { margin-top: 12px; }
.hud-progress { height: 8px; border-radius: 999px; background: rgba(7, 18, 63, .5); overflow: hidden; }
.hud-progress span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--yellow), #FF9F43); transition: width .5s ease; }
.hud-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 10px; }
.hud-chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 4px 12px; border-radius: 999px;
  background: rgba(7, 18, 63, .55); border: 1px solid rgba(143, 168, 255, .25); font-size: .875rem; color: #DCE3FF;
}
.hud-chip strong { font: 800 1rem var(--font-display); color: var(--ink); }
.hud-chip svg { width: 18px; height: 18px; flex: none; }
.hud-streak svg { filter: grayscale(1) opacity(.5); transition: filter .3s; }
.hud-streak.is-hot { border-color: rgba(255, 159, 67, .7); box-shadow: 0 0 14px rgba(255, 159, 67, .35); }
.hud-streak.is-hot svg { filter: none; animation: flicker 1.2s ease-in-out infinite; }
.hud-streak.is-lost { animation: shake .35s ease; border-color: var(--wrong); }
.hud-mult.is-on { background: rgba(255, 201, 40, .16); border-color: rgba(255, 201, 40, .6); }
.hud-mult.is-on strong { color: var(--yellow); }
.hud-xp { background: rgba(61, 220, 151, .14); border-color: rgba(61, 220, 151, .45); }
.hud-xp strong { color: var(--correct); }
.hud-shells strong { color: var(--yellow); }
.hud-chip.bump { animation: bump .4s ease; }
@keyframes bump { 40% { transform: scale(1.15); } }
@keyframes flicker { 50% { transform: scale(1.12) rotate(-4deg); } }

.fx { position: absolute; inset: 0; pointer-events: none; overflow: visible; z-index: 5; }
.fx-p { position: absolute; display: block; margin: -8px 0 0 -8px; animation: fx-fly 1.3s cubic-bezier(.2, .7, .3, 1) forwards; }
.fx-p svg { width: 100%; height: 100%; display: block; }
.fx-drop { border-radius: 50%; background: currentColor; }
@keyframes fx-fly {
  0% { transform: translate(0, 0) scale(.4) rotate(0); opacity: 1; }
  70% { opacity: 1; }
  100% { transform: translate(var(--dx), calc(var(--dy) + 60px)) scale(1) rotate(var(--r)); opacity: 0; }
}
.fx-float {
  position: absolute; transform: translate(-50%, 0); font: 800 1.25rem var(--font-display); color: var(--correct);
  text-shadow: 0 2px 10px rgba(7, 18, 63, .8); white-space: nowrap; animation: fx-rise 1.1s ease-out forwards;
}
@keyframes fx-rise { from { opacity: 0; transform: translate(-50%, 10px) scale(.8); } 20% { opacity: 1; transform: translate(-50%, 0) scale(1.1); } to { opacity: 0; transform: translate(-50%, -60px) scale(1); } }

.streak-pop {
  position: absolute; left: 50%; top: 38%; z-index: 6; transform: translate(-50%, -50%);
  padding: 16px 26px; border-radius: var(--radius-lg); text-align: center; pointer-events: none;
  background: linear-gradient(135deg, #2348E0, #6B3FD6); border: 2px solid rgba(255, 201, 40, .7);
  box-shadow: 0 18px 50px rgba(3, 8, 30, .6);
}
.streak-pop.is-in { animation: pop-in 1.7s ease forwards; }
@keyframes pop-in {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.6); }
  12% { opacity: 1; transform: translate(-50%, -50%) scale(1.06); }
  20%, 80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -60%) scale(.96); }
}
.pop-word { font: 800 clamp(1.5rem, 4vw, 2rem)/1.1 var(--font-display); color: #FFF; white-space: nowrap; }
.pop-chips { display: flex; justify-content: center; gap: 8px; margin-top: 8px; }
.pop-chips span { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; background: rgba(7, 18, 63, .45); font-size: .875rem; font-weight: 600; color: var(--yellow); }
.pop-chips svg { width: 16px; height: 16px; }

.game-rewards { margin-top: 14px; }
.reward-tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.reward-tile { display: grid; justify-items: center; gap: 2px; padding: 14px 8px; border-radius: var(--radius-md); background: rgba(7, 18, 63, .6); border: 1px solid var(--line); }
.reward-tile svg { width: 26px; height: 26px; }
.reward-num { font: 800 clamp(1.5rem, 4vw, 2rem)/1 var(--font-display); }
.reward-xp .reward-num { color: var(--correct); }
.reward-shells .reward-num { color: var(--yellow); }
.reward-streak .reward-num { color: #FF9F43; }
.reward-label { font-size: .8125rem; color: var(--muted); }
.reward-level { margin-top: 12px; }
.reward-level-text { font-size: .9375rem; color: #DCE3FF; }
.reward-level-text strong { font: 800 1.25rem var(--font-display); color: var(--ink); }
.reward-level .level-bar-fill { transition: width .9s cubic-bezier(.3, .7, .3, 1); }
.reward-level.is-up .reward-level-text { animation: bump .6s ease; }
.reward-level.is-up .reward-level-text strong { color: var(--yellow); }

@media (prefers-reduced-motion: reduce) {
  .hud-streak.is-hot svg, .hud-chip.bump, .streak-pop.is-in, .reward-level.is-up .reward-level-text { animation: none; }
  .streak-pop.is-in { opacity: 1; }
}
@media (max-width: 560px) {
  .hud-chip { padding: 3px 9px; font-size: .8125rem; }
  .reward-tiles { gap: 6px; }
}

/* Knockout (knockout.html) ------------------------------------------------ */
.ko { position: relative; }
.ko-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-weight: 600; }
.ko-round { font: 800 1.25rem var(--font-display); }
.ko-alive { color: var(--royal-300); }
.ko-time { font: 800 1.5rem var(--font-display); color: var(--yellow); min-width: 3ch; text-align: right; }
.ko-timer { height: 10px; margin: 10px 0 18px; border-radius: 999px; background: rgba(143, 168, 255, .16); overflow: hidden; }
.ko-timer span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--yellow), #FF9F43); transition: width .2s linear; }
.ko-timer span.is-low { background: var(--wrong); }
.ko-card { padding: clamp(18px, 4vw, 32px); border-radius: var(--radius-lg); background: linear-gradient(160deg, var(--royal), #1A2FA0); border: 2px solid rgba(255, 201, 40, .45); text-align: center; }
.ko-big { font: 800 clamp(1.75rem, 5vw, 2.75rem)/1.1 var(--font-display); }
.ko-big strong { color: var(--yellow); }
.ko-card > p + p { margin-top: 10px; }
.ko-card p:not(.ko-q) { color: #E4E9FF; }
.ko-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 18px; }
.ko-hearts-big .heart { width: 34px; height: 34px; }
.heart { width: 20px; height: 20px; fill: #FF5C7A; filter: drop-shadow(0 1px 2px rgba(7, 18, 63, .5)); }
.heart.is-empty { fill: rgba(255, 255, 255, .18); filter: none; }
.ko-hearts { display: inline-flex; gap: 3px; }
.ko-hearts .heart { width: 26px; height: 26px; }
.ko-hearts.is-hit { animation: shake .45s ease; }
.ko-me { margin-bottom: 12px; }
.ko-q { font: 800 clamp(1.375rem, 3.5vw, 2rem)/1.25 var(--font-display); color: var(--ink); }
.ko-answers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; text-align: left; }
.ko-answer.is-picked { outline: 3px solid var(--yellow); outline-offset: 2px; }
.ko-status { margin-top: 14px; font-weight: 600; min-height: 1.5em; }
.ko.is-host .ko-q { font-size: clamp(1.75rem, 4vw, 2.75rem); }
.ko.is-host .ko-answer { font-size: 1.125rem; }
.ko-out-tag { display: inline-block; padding: 2px 10px; border-radius: 999px; background: rgba(255, 92, 122, .2); color: #FF8CA0; font-size: .8125rem; font-weight: 700; }
.ko-out-tag.is-win { background: rgba(255, 201, 40, .2); color: var(--yellow); }
.ko-players-wrap { margin-top: 26px; }
.ko-h2 { font-size: 1.25rem; font-weight: 800; margin-bottom: 10px; }
.ko-players { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px; padding: 0; list-style: none; }
.ko-player { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 10px; align-items: center; padding: 8px 46px 8px 12px; border-radius: var(--radius-sm); background: var(--navy-800); border: 1px solid var(--line); transition: opacity .4s; }
.ko-player.is-me { border-color: var(--yellow); }
.ko-player.is-out { opacity: .5; }
.ko-player.is-hit { animation: shake .45s ease; border-color: rgba(255, 92, 122, .6); }
.ko-avatar { grid-row: 1 / 3; width: 40px; height: 40px; border-radius: 12px; overflow: hidden; background: var(--navy-700); }
.ko-avatar svg { width: 100%; height: 100%; }
.ko-pname { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ko-pname small { display: block; font-weight: 400; font-size: .75rem; color: var(--muted); }
.ko-plives { display: flex; gap: 2px; }
.ko-plives .heart { width: 15px; height: 15px; }
.ko-tick { position: absolute; top: 6px; right: 8px; color: var(--correct); font-weight: 800; }
.ko-res { position: absolute; top: 6px; right: 8px; font-weight: 800; font-size: .875rem; }
.ko-res.is-right { color: var(--correct); }
.ko-res.is-wrong { color: #FF8CA0; }
.ko-mine { font-size: 1.125rem; }
.ko-podium { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; gap: 10px; margin: 22px auto 0; padding: 0; max-width: 560px; list-style: none; }
.ko-podium-spot { display: grid; justify-items: center; gap: 4px; }
.ko-podium-otter { width: 86px; height: 86px; }
.ko-place-1 .ko-podium-otter { width: 110px; height: 110px; }
.ko-podium-otter svg { width: 100%; height: 100%; }
.ko-podium-name { font-weight: 700; overflow-wrap: anywhere; }
.ko-podium-real { font-size: .75rem; color: #C9D3F7; }
.ko-podium-block { width: 100%; padding: 14px 0; border-radius: 12px 12px 0 0; font: 800 1.5rem var(--font-display); background: rgba(7, 18, 63, .45); }
.ko-place-1 .ko-podium-block { padding: 26px 0; background: var(--yellow); color: var(--navy-900); }
.ko-place-2 .ko-podium-block { padding: 18px 0; }
@media (max-width: 560px) {
  .ko-answers { grid-template-columns: minmax(0, 1fr); }
  .ko-players { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ko-podium-otter { width: 64px; height: 64px; }
  .ko-place-1 .ko-podium-otter { width: 80px; height: 80px; }
}
@media (prefers-reduced-motion: reduce) { .ko-player.is-hit, .ko-hearts.is-hit { animation: none; } }
.ko-landing-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 18px; align-items: start; }
.ko-landing-grid .settings-card { display: grid; gap: 12px; }
.ko-landing-grid h2 { font-size: 1.5rem; font-weight: 800; }
.ko-join-card { border-color: rgba(255, 201, 40, .45); }
.ko-landing-note { margin-top: 16px; text-align: center; }
.ko-join-label { font-size: .9375rem; }
.ko-card p.ko-join-code { font: 800 clamp(2.5rem, 7vw, 4rem)/1 var(--font-display); letter-spacing: .14em; color: var(--yellow); margin-top: 4px; }
.ko-kick { position: absolute; top: 4px; right: 6px; width: 26px; height: 26px; border: 0; border-radius: 50%; background: rgba(255, 92, 122, .18); color: #FF8CA0; font: 700 1.125rem/1 var(--font-body); cursor: pointer; }
.ko-kick:hover { background: rgba(255, 92, 122, .35); }
@media (max-width: 900px) { .ko-landing-grid { grid-template-columns: minmax(0, 1fr); } }

/* Generate Report (report.html) ------------------------------------------- */
.rp-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 20px; }
.rp-tabs { display: inline-flex; margin-bottom: 18px; }
.rp-tabs .seg-btn { white-space: nowrap; }
.rp-hist-intro { margin-bottom: 14px; color: var(--muted); max-width: 70ch; }
.rp-weeks { display: grid; gap: 8px; margin: 0 0 20px; padding: 0; list-style: none; }
.rp-week { display: grid; grid-template-columns: minmax(0, 1fr) auto auto auto; align-items: center; gap: 18px; padding: 14px 18px;
  border-radius: var(--radius-md); background: var(--navy-800); border: 1px solid var(--line); border-left: 4px solid var(--yellow); }
.rp-week-date { display: grid; gap: 2px; min-width: 0; }
.rp-week-date span { font-size: .875rem; color: var(--muted); }
.rp-week-stat { font-size: .875rem; color: var(--muted); white-space: nowrap; }
.rp-week-stat strong { font: 800 1.125rem var(--font-display); color: var(--yellow); margin-right: 2px; }
@media (max-width: 640px) {
  .rp-week { grid-template-columns: repeat(2, auto) 1fr; gap: 8px 14px; }
  .rp-week-date { grid-column: 1 / -1; }
  .rp-week .btn { justify-self: end; }
}
.rp-controls .seg-btn { padding: 8px 14px; font-size: .9375rem; }
.rp-report { display: grid; gap: 18px; }
.rp-head { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: var(--navy-800); }
/* The branded top of the report: logo on Ottered navy with a yellow stripe */
.rp-banner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 22px;
  background: radial-gradient(600px 160px at 90% 0%, rgba(35, 72, 224, .7), transparent 70%), var(--navy-900); border-bottom: 5px solid var(--yellow); }
.rp-logo { font-size: 2rem; color: #FFFFFF; }
.rp-banner-tag { padding: 5px 12px; border-radius: 999px; background: var(--yellow); color: var(--navy-900); font-weight: 700; font-size: .8125rem; letter-spacing: .04em; text-transform: uppercase; }
.rp-who { display: flex; align-items: center; gap: 18px; padding: 18px 22px; }
.rp-avatar { flex: none; width: 104px; height: 104px; border-radius: 22px; background: linear-gradient(160deg, var(--royal) 0%, var(--navy-700) 100%); border: 3px solid var(--yellow); overflow: hidden; }
.rp-avatar svg { display: block; width: 100%; height: 100%; }
.rp-head h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 800; }
.rp-section h3::after { content: ""; display: block; width: 40px; height: 4px; margin-top: 8px; border-radius: 999px; background: var(--yellow); }
.rp-stats div { border-top: 4px solid var(--yellow) !important; }
.rp-foot { display: flex; align-items: center; justify-content: center; gap: 6px; }
.rp-foot-logo { display: inline-block; width: 18px; height: 18px; }
.rp-period { color: var(--muted); }
.rp-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 0; }
.rp-stats div { padding: 14px; border-radius: var(--radius-md); background: var(--navy-800); border: 1px solid var(--line); }
.rp-stats dt { font-size: .8125rem; color: var(--muted); }
.rp-stats dd { margin: 2px 0 0; font: 800 1.75rem var(--font-display); color: var(--yellow); }
.rp-section { padding: clamp(18px, 3vw, 26px); border-radius: var(--radius-lg); background: var(--navy-800); border: 1px solid var(--line); }
.rp-section h3 { font-size: 1.375rem; font-weight: 800; margin-bottom: 12px; }
.rp-section h4 { font-size: 1rem; font-weight: 700; margin: 16px 0 8px; color: #DCE3FF; }
.rp-weak { display: grid; gap: 8px; padding: 0; list-style: none; }
.rp-weak li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--navy-900); }
.rp-weak li span { display: block; font-size: .875rem; color: var(--muted); }
.rp-strong { margin-top: 12px; color: var(--muted); }
.rp-strong strong { color: var(--correct); }
.rp-topics { display: grid; gap: 8px; padding: 0; list-style: none; }
.rp-topics li { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 2fr) auto; align-items: center; gap: 12px; font-size: .9375rem; }
.rp-bar { height: 10px; border-radius: 999px; background: rgba(143, 168, 255, .14); overflow: hidden; }
.rp-bar span { display: block; height: 100%; border-radius: inherit; }
.rp-bar.is-good span { background: var(--correct); }
.rp-bar.is-ok span { background: var(--yellow); }
.rp-bar.is-weak span { background: #FF9F43; }
.rp-bar.is-bad span { background: var(--wrong); }
.rp-topic-num { color: var(--muted); font-size: .875rem; white-space: nowrap; }
.rp-foot { font-size: .8125rem; color: var(--muted); text-align: center; }
.rp-empty { text-align: center; }
.rp-empty h2 { font-size: 1.5rem; font-weight: 800; }
.rp-empty p { margin-top: 10px; }
@media (max-width: 700px) {
  .rp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rp-topics li { grid-template-columns: minmax(0, 1fr) auto; }
  .rp-bar { grid-column: 1 / -1; grid-row: 2; }
  .rp-weak li { flex-direction: column; align-items: flex-start; }
}

/* Printing a report: just the report, on white, keeping the Ottered brand: the navy
   logo banner, yellow accents and royal-blue numbers. */
@media print {
  @page { margin: 14mm; }
  body:has(#rp-report) { background: #fff; color: #111; }
  body:has(#rp-report)::before, body:has(#rp-report)::after { display: none !important; }
  body:has(#rp-report) .site-header, body:has(#rp-report) .site-footer, body:has(#rp-report) .page-hero,
  body:has(#rp-report) .rp-controls, body:has(#rp-report) .skip-link, body:has(#rp-report) .rp-revise,
  body:has(#rp-report) .rp-tabs, body:has(#rp-report) .rp-weeks, body:has(#rp-report) .rp-hist-intro, body:has(#rp-report) #rp-gate { display: none !important; }
  body:has(#rp-report) .section { padding: 0; }
  .rp-report { gap: 12px; }
  .rp-report * { text-shadow: none !important; }
  .rp-report, .rp-report * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .rp-section, .rp-stats div, .rp-weak li, .rp-head { background: #fff !important; border: 1px solid #D6DCF0 !important; break-inside: avoid; }
  .rp-section, .rp-section *, .rp-who, .rp-who *, .rp-stats dt, .rp-foot { color: #111 !important; -webkit-text-fill-color: currentColor; }
  .rp-banner { background: #07123F !important; border-bottom: 5px solid #FFC928 !important; }
  .rp-logo, .rp-logo * { color: #FFFFFF !important; -webkit-text-fill-color: #FFFFFF; }
  .rp-banner-tag { background: #FFC928 !important; color: #07123F !important; -webkit-text-fill-color: #07123F; }
  .rp-avatar { border-color: #FFC928 !important; background: linear-gradient(160deg, #2348E0 0%, #0B1A5C 100%) !important; }
  .rp-stats div { border-top: 4px solid #FFC928 !important; }
  .rp-stats dd { color: #1B3BC0 !important; -webkit-text-fill-color: #1B3BC0; }
  .rp-section h3 { color: #07123F !important; -webkit-text-fill-color: #07123F; }
  .rp-section h3::after { background: #FFC928 !important; }
  .rp-section h4 { color: #1B3BC0 !important; -webkit-text-fill-color: #1B3BC0; }
  .rp-weak li span, .rp-topic-num, .missed-meta, .rp-period { color: #555 !important; -webkit-text-fill-color: #555; }
  .rp-strong strong, .missed-answer { color: #0A7A4B !important; -webkit-text-fill-color: #0A7A4B; }
  .rp-bar { background: #EEF1FA !important; }
  .rp-foot-logo { display: none; }   /* the white O doesn't show on paper */
}

/* Mind maps (mindmap.html) --------------------------------------------------- */
.mm-section { padding-top: 12px; }
.mm-top { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; }
.mm-title { flex: 1 1 260px; }
.mm-top-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.mm-status { flex-basis: 100%; margin-top: 0; }
.mm-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 14px 0 10px; padding: 8px; border-radius: var(--radius-md); background: var(--navy-800); border: 1px solid var(--line); }
.mm-spacer { flex: 1; }
.mm-icon { min-width: 40px; font-size: 1.125rem; }
.mm-colours { display: inline-flex; gap: 4px; margin-left: 6px; }
.mm-swatch { width: 24px; height: 24px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .25); cursor: pointer; }
.mm-swatch:hover, .mm-swatch:focus-visible { border-color: #fff; }
.mm-board { position: relative; height: min(68vh, 640px); overflow: hidden; border-radius: var(--radius-lg); border: 1px solid var(--line); cursor: grab; touch-action: none;
  background: radial-gradient(circle at 1px 1px, rgba(143, 168, 255, .18) 1px, transparent 0) 0 0 / 26px 26px, var(--navy-900); }
.mm-board:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
.mm-board:active { cursor: grabbing; }
.mm-world { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.mm-links { position: absolute; left: 0; top: 0; width: 1px; height: 1px; overflow: visible; }
.mm-node {
  position: absolute; transform: translate(-50%, -50%); width: max-content; max-width: 210px; padding: 9px 14px; border-radius: 14px;
  background: var(--navy-800); border: 2px solid var(--c); color: var(--ink); font-weight: 600; font-size: .9375rem;
  text-align: center; line-height: 1.3; cursor: pointer; user-select: none; overflow-wrap: anywhere; white-space: pre-wrap;
}
.mm-node.mm-d0 { background: var(--yellow); border-color: #FFE38A; color: var(--navy-900); font: 800 1.25rem/1.2 var(--font-display); padding: 14px 22px; max-width: 260px; }
.mm-node.mm-d1 { background: var(--c); border-color: var(--c); color: var(--navy-900); }
.mm-node.is-selected { box-shadow: 0 0 0 3px var(--navy-900), 0 0 0 6px #fff; }
.mm-text[contenteditable="true"] { outline: none; cursor: text; user-select: text; display: inline-block; min-width: 2ch; }
.mm-help { margin-top: 8px; }
.mm-start { margin-top: 18px; }
.mm-start summary { cursor: pointer; font-weight: 700; font-size: 1.125rem; }
.mm-start > * + * { margin-top: 12px; }
.mm-dialog { width: min(560px, calc(100% - 32px)); text-align: left; }
.mm-list { display: grid; gap: 8px; margin-top: 14px; padding: 0; list-style: none; max-height: 60vh; overflow-y: auto; }
.mm-list li, .bl-history li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--navy-900); }
.mm-open { display: grid; gap: 2px; flex: 1; min-width: 0; padding: 0; border: 0; background: none; color: var(--ink); text-align: left; font: inherit; cursor: pointer; }
.mm-open strong { overflow-wrap: anywhere; }
.mm-open span { font-size: .8125rem; color: var(--muted); }
.mm-open:hover strong { color: var(--yellow); }

/* Blurt (blurt.html) --------------------------------------------------------- */
.bl-step { display: grid; gap: 18px; }
#bl-setup { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: start; }
.bl-card { display: grid; gap: 12px; align-content: start; }
.bl-card h2 { font-size: 1.375rem; font-weight: 800; }
.bl-card .seg { justify-self: start; }
.bl-card .btn-lg { justify-self: start; }
.bl-clock { font: 800 1.375rem var(--font-display); color: var(--yellow); }
.bl-clock.is-up { color: var(--wrong); }
#bl-recall { min-height: 320px; font-size: 1.0625rem; line-height: 1.6; }
.bl-count { font-size: .875rem; color: var(--muted); }
.bl-card > .btn { justify-self: start; }
.bl-compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.bl-recall-view { padding: 14px; border-radius: var(--radius-md); background: var(--navy-900); line-height: 1.6; max-height: 340px; overflow-y: auto; overflow-wrap: anywhere; }
.bl-added-title { font-size: 1.125rem; font-weight: 800; color: var(--correct); }
.field textarea.bl-added, .bl-added-view { border: 1px solid rgba(61, 220, 151, .5); color: #B9F5DA; }
.bl-notes { max-height: 80vh; overflow-y: auto; }
.bl-notes h3 { font-size: 1.0625rem; font-weight: 800; margin-top: 10px; }
.bl-notes p, .bl-notes li { color: #DCE3FF; line-height: 1.6; }
.bl-notes ul, .bl-notes ol { padding-left: 20px; }
.bl-tip { padding: 10px 12px; border-radius: var(--radius-sm); background: rgba(255, 201, 40, .1); }
.bl-cards { display: grid; gap: 6px; list-style: none; padding: 0 !important; }
.bl-cards li { padding: 8px 10px; border-radius: var(--radius-sm); background: var(--navy-900); }
.bl-history { display: grid; gap: 8px; padding: 0; list-style: none; }
.bl-view-body { display: grid; gap: 10px; margin-top: 12px; max-height: 60vh; overflow-y: auto; }
.bl-view-body h3 { font-size: 1rem; font-weight: 800; }
@media (max-width: 900px) {
  #bl-setup, .bl-compare { grid-template-columns: minmax(0, 1fr); }
  .mm-board { height: 60vh; }
}

/* Yellow Submarine (mode-yellow-submarine.html) ------------------------------- */
.ys-setup-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 28px; }
.ys-setup-grid h2 { font-size: 1.375rem; font-weight: 800; margin-bottom: 12px; }
.ys-setup-grid .field { margin: 14px 0; }
.ys-how ol { display: grid; gap: 8px; padding-left: 20px; color: var(--muted); }
.ys-how strong { color: var(--ink); }
/* The game shrinks to fit the screen height (header, HUD and help line included), keeping its shape */
.ys-game { --ys-chrome: 215px; max-width: max(320px, calc((100svh - var(--ys-chrome)) * 1.6)); margin-inline: auto; scroll-margin-top: 84px; }
/* While playing, the page title is hidden so the game sits right under the header */
body.ys-playing .page-hero { display: none; }
body.ys-playing .game-section { padding-top: 12px; }
.ys-hud { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 10px 14px; border-radius: var(--radius-md) var(--radius-md) 0 0; background: var(--navy-800); border: 1px solid var(--line); border-bottom: 0; }
.ys-hud-item { display: inline-flex; align-items: center; gap: 6px; font-size: .9375rem; }
.ys-hud-item strong { font: 800 1.125rem var(--font-display); }
.ys-hud-label { font-size: .8125rem; color: var(--muted); }
.ys-lives span { color: #FF5C7A; font-size: 1.25rem; line-height: 1; }
.ys-lives span.is-lost { color: rgba(255, 255, 255, .2); }
.ys-coin { width: 18px; height: 18px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #FFF1B8, #FFC928 45%, #C98A00); }
.ys-energy-track { width: 120px; height: 10px; border-radius: 999px; background: rgba(143, 168, 255, .18); overflow: hidden; }
.ys-energy-track span { display: block; height: 100%; width: 100%; border-radius: inherit; background: linear-gradient(90deg, #3DDC97, #FFC928); transition: width .3s; }
.ys-energy-track span.is-low { background: var(--wrong); }
.ys-air-track span { background: linear-gradient(90deg, #5BC0FF, #B8E8FF); }
.ys-depth { font-variant-numeric: tabular-nums; }
.ys-depth.is-danger { color: var(--wrong); }
.ys-sea { color: var(--royal-300); font-weight: 600; }
.ys-hud-buttons { display: flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }
.ys-hud-item[hidden] { display: none; }
.ys-shell { width: 18px; height: 18px; flex: none; background: center / contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.2c-4.9 0-8.8 3.8-8.8 8.6 0 1.6.5 3.1 1.3 4.3L12 20.8l7.5-4.7c.8-1.2 1.3-2.7 1.3-4.3 0-4.8-3.9-8.6-8.8-8.6z' fill='%23FFC928'/%3E%3Cpath d='M12 6.2v13.2M8.3 7.4l2.4 11.3M15.7 7.4l-2.4 11.3M5.4 10.3l5 8.4M18.6 10.3l-5 8.4' fill='none' stroke='%23C98A00' stroke-width='1.3' stroke-linecap='round'/%3E%3C/svg%3E"); }
.ys-stage { position: relative; border: 1px solid var(--line); border-radius: 0 0 var(--radius-md) var(--radius-md); overflow: hidden; background: #0F4C9C; }
.ys-stage canvas { display: block; width: 100%; height: auto; aspect-ratio: 960 / 600; }
.ys-stage canvas:focus-visible { outline: 3px solid var(--yellow); outline-offset: -3px; }
.ys-overlay { position: absolute; inset: 0; display: grid; place-items: center; padding: 16px; background: rgba(4, 12, 40, .6); overflow-y: auto; }
.ys-panel { width: min(560px, 100%); max-height: 100%; overflow-y: auto; padding: clamp(18px, 3vw, 28px); border-radius: var(--radius-lg); background: var(--navy-800); border: 2px solid rgba(255, 201, 40, .55); box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.ys-q-title { font: 800 clamp(1.25rem, 3vw, 1.625rem)/1.2 var(--font-display); color: var(--yellow); }
.ys-q-sub { margin-top: 6px; font-size: .9375rem; color: var(--muted); }
.ys-q-sub strong { color: var(--yellow); }
.ys-q-text { margin-top: 14px; font: 700 clamp(1.0625rem, 2.6vw, 1.25rem)/1.35 var(--font-body); }
.ys-answers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 14px; }
.ys-q-result { margin-top: 12px; font-weight: 700; min-height: 1.4em; }
.ys-q-result.is-right { color: var(--correct); }
.ys-q-result.is-wrong { color: var(--wrong); }
.ys-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.ys-shop { display: grid; gap: 8px; margin-top: 14px; padding: 0; list-style: none; }
.ys-shop-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--navy-900); }
.ys-shop-item span { display: block; font-size: .8125rem; color: var(--muted); }
.ys-results { margin-top: 14px; }
.ys-controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; margin-top: 10px; }
.ys-dive { min-width: 96px; height: 56px; font-size: 1.0625rem; }
.ys-touch { display: none; justify-content: center; gap: 10px; }
.ys-touch button { width: 64px; height: 56px; border-radius: 16px; border: 1px solid var(--line); background: var(--navy-800); color: var(--ink); font-size: 1.375rem; touch-action: none; user-select: none; }
.ys-touch button.is-down { background: var(--royal); }
.ys-keys { margin-top: 12px; font-size: 1.125rem; line-height: 1.55; color: var(--ink); }
@media (hover: none), (max-width: 900px) { .ys-touch { display: flex; } .ys-game { --ys-chrome: 270px; } }
@media (max-width: 760px) {
  .ys-setup-grid { grid-template-columns: minmax(0, 1fr); }
  .ys-answers { grid-template-columns: minmax(0, 1fr); }
  .ys-hud-buttons { margin-left: 0; }
  .ys-energy-track { width: 80px; }
  /* The canvas is too short on phones, so questions and the shop cover the screen */
  .ys-overlay { position: fixed; z-index: 60; align-items: start; padding: 72px 12px 16px; background: rgba(4, 12, 40, .85); }
  .ys-panel { max-height: none; }
}

/* ===========================================================================
   Glossary: the highlighter on every page (glossary.js) and glossary.html
   =========================================================================== */

mark.gl-mark {
  background: rgba(255, 201, 40, .28); color: inherit;
  border-bottom: 2px solid var(--yellow); border-radius: 3px; padding: 0 1px;
  cursor: pointer;
}
mark.gl-mark:hover { background: rgba(255, 201, 40, .42); }

.gl-pop {
  position: absolute; z-index: 90; display: flex; align-items: center; gap: 4px; padding: 4px;
  max-width: calc(100vw - 16px);
  background: var(--yellow); color: var(--navy-900); border-radius: 999px;
  box-shadow: 0 8px 24px rgba(3, 10, 38, .45);
  font: 600 .875rem var(--font-body);
}
.gl-pop[hidden] { display: none; }
.gl-pop-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; min-height: 36px;
  border: 0; border-radius: 999px; background: transparent; color: inherit;
  font: inherit; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.gl-pop-btn:hover, .gl-pop-btn:focus-visible { background: rgba(7, 18, 63, .12); }
.gl-pop-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.gl-pop-label { padding: 0 6px 0 12px; white-space: nowrap; opacity: .8; }
.gl-pop-remove { color: #8A1F1F; }

.gl-toast {
  position: fixed; z-index: 95; left: 50%; bottom: 20px; transform: translate(-50%, 20px);
  max-width: calc(100vw - 32px); padding: 12px 18px; border-radius: var(--radius-sm);
  background: var(--navy-700); color: var(--ink); border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(3, 10, 38, .45); font-size: .9375rem;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
.gl-toast.is-on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.gl-toast a { color: var(--yellow); margin-left: 6px; }

.gl-wrap { display: grid; gap: 20px; }
.gl-sync { color: var(--muted); font-size: .9375rem; }
.gl-sync a { color: var(--yellow); }
.gl-tools { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 32px; align-items: end; }
.gl-add { display: flex; gap: 10px; align-items: end; }
.gl-add .field { flex: 1; }
.gl-filter { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.gl-count { color: var(--muted); font-size: .9375rem; }
.gl-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.gl-item {
  display: flex; flex-direction: column; gap: 12px; padding: 22px;
  background: var(--navy-800); border: 1px solid var(--line); border-radius: var(--radius-md);
  scroll-margin-top: 110px;
}
.gl-item.is-flash { animation: gl-flash 1.6s ease-out; }
@keyframes gl-flash { 0%, 30% { border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(255, 201, 40, .35); } }
@media (prefers-reduced-motion: reduce) { .gl-item.is-flash { animation: none; border-color: var(--yellow); } .gl-toast { transition: none; } }
.gl-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.gl-word { font-size: 1.5rem; font-weight: 800; overflow-wrap: anywhere; }
.gl-phon { color: var(--royal-300); font-size: .9375rem; }
.gl-def { display: grid; gap: 12px; color: #DCE3FF; }
.gl-pos { color: var(--yellow); font-size: .8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.gl-meaning ol { margin: 4px 0 0; padding-left: 1.3em; display: grid; gap: 6px; }
.gl-eg { display: block; margin-top: 2px; color: var(--muted); font-style: italic; font-size: .9375rem; }
.gl-loading, .gl-none { color: var(--muted); font-size: .9375rem; }
.gl-foot { margin-top: auto; display: grid; gap: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.gl-meta { color: var(--muted); font-size: .8125rem; }
.gl-meta a { color: var(--ink); }
.gl-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.gl-retry { justify-self: start; }
.gl-empty a { color: var(--yellow); }
.gl-credit { color: var(--muted); font-size: .8125rem; }
.gl-credit a { color: var(--ink); }
@media (max-width: 760px) {
  .gl-tools { grid-template-columns: 1fr; }
}


/* The shop inside a game (shop.html?embed=1) */
.is-embed .skip-link, .is-embed .shop-hero h1, .is-embed .site-header, .is-embed .site-footer, .is-embed #earn, .is-embed .shop-hero .lede, .is-embed .balance a { display: none; }
.is-embed .page-hero { padding: 16px 0 0; }
.is-embed .shop-section { padding-top: 16px; }

/* Yellow Submarine: the shell shop in a full-screen dialog, so the game stays open */
.ys-shop-dialog { width: min(1100px, 100vw - 16px); height: min(900px, 100dvh - 16px); max-width: none; max-height: none; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--navy-900, #06103a); color: var(--ink); overflow: hidden; }
.ys-shop-dialog[open] { display: flex; flex-direction: column; }
.ys-shop-dialog::backdrop { background: rgba(3, 8, 30, .75); }
.ys-shop-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.ys-shop-bar h2 { margin: 0; font: 800 1.25rem var(--font-display); }
.ys-shop-frame { flex: 1; width: 100%; border: 0; background: transparent; }

/* Yellow Submarine finale: a giant kraken rises over the screen */
.kraken { position: fixed; inset: 0; z-index: 200; display: grid; grid-template-rows: 1fr auto; overflow: hidden;
  background: radial-gradient(ellipse at 50% 110%, #1B4FA0 0%, #07123F 55%, #020717 100%); animation: kr-fade .5s ease-out both; }
.kraken-sea { grid-row: 1; min-height: 0; display: flex; align-items: flex-end; justify-content: center; padding-top: 16px; }
.kraken-art { overflow: visible; width: min(900px, 100%); height: 100%; max-height: 70vh; animation: kr-rise 1.6s cubic-bezier(.2, .8, .25, 1) both; }
.kr-tentacle { transform-box: view-box; animation: kr-wave 2.4s ease-in-out infinite alternate; }
.kr-body { transform-origin: 400px 540px; animation: kr-breathe 3s ease-in-out infinite alternate; }
.kr-eye { transform-box: fill-box; transform-origin: center; animation: kr-blink 4s infinite; }
.kraken-card { position: relative; grid-row: 2; margin: -24px auto 24px; width: min(560px, calc(100% - 32px)); padding: 22px 24px; text-align: center;
  border-radius: var(--radius-lg); background: rgba(7, 18, 63, .9); border: 2px solid var(--yellow); box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  animation: kr-card .6s 1.2s ease-out both; }
.kraken-card h2 { margin: 4px 0 8px; font: 800 clamp(1.75rem, 5vw, 2.5rem)/1.1 var(--font-display); color: var(--yellow); }
.kraken-card p { margin: 0 0 16px; line-height: 1.5; }
.kraken-kicker { margin: 0 !important; font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: .8125rem; color: var(--royal-300); }
@keyframes kr-fade { from { opacity: 0; } }
@keyframes kr-rise { from { transform: translateY(70%) scale(.9); } }
@keyframes kr-wave { from { transform: rotate(-5deg); } to { transform: rotate(5deg); } }
@keyframes kr-breathe { to { transform: scale(1.03); } }
@keyframes kr-blink { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(.1); } }
@keyframes kr-card { from { opacity: 0; transform: translateY(24px); } }
@media (prefers-reduced-motion: reduce) {
  .kraken, .kraken-art, .kr-tentacle, .kr-body, .kr-eye, .kraken-card { animation: none; }
}
@media (max-width: 600px) { .kraken-art { width: 150%; max-height: 60vh; } }
.kraken-mini { display: flex; justify-content: center; margin-bottom: 4px; }
@media (prefers-reduced-motion: no-preference) { .kraken-mini svg { animation: kr-breathe 1.5s ease-in-out infinite alternate; transform-origin: 50% 100%; } }

/* Yellow Submarine: true or false quick-fire */
.tf-claim { margin-top: 8px; font-size: 1.0625rem; }
.tf-claim strong { color: var(--yellow); }
.tf-timer { height: 8px; margin-top: 12px; border-radius: 999px; background: rgba(143, 168, 255, .2); overflow: hidden; }
.tf-timer span { display: block; height: 100%; width: 100%; background: var(--yellow); border-radius: inherit; }
.ys-answers.tf-answers { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }

/* Yellow Submarine: clam pairs */
.clam-board { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 10px; margin-top: 14px; }
.clam-col { display: grid; gap: 8px; align-content: start; }
.clam-card { min-height: 52px; padding: 10px 12px; text-align: left; font: 500 .9375rem/1.35 var(--font-body); color: var(--ink);
  background: var(--navy-900); border: 2px solid var(--line); border-radius: var(--radius-sm); cursor: pointer; transition: border-color .15s, background .15s; }
.clam-card:hover:not(:disabled) { border-color: var(--royal-300); }
.clam-card:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
.clam-ans { font-weight: 600; }
.clam-card.is-picked { border-color: var(--yellow); background: rgba(255, 201, 40, .12); }
.clam-card.is-matched { border-color: var(--correct); background: rgba(61, 220, 151, .12); opacity: .75; cursor: default; }
.clam-card.is-wrong { border-color: var(--wrong); background: rgba(255, 122, 122, .14); }
@media (max-width: 560px) { .clam-board { grid-template-columns: minmax(0, 1fr); } }
.clam-head { margin: 0; font-size: .8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }

/* Yellow Submarine: the map menu */
.ys-kraken-count { margin-top: 4px; font-size: 1rem; color: var(--muted); }
.ys-kraken-count strong { color: var(--yellow); font: 800 1.25rem var(--font-display); }
.ys-maps { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.ys-map-row { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto auto; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: var(--radius-sm); background: var(--navy-900); border: 2px solid var(--line); }
.ys-map-row.is-here { border-color: var(--yellow); }
.ys-map-row.is-locked { opacity: .6; }
.ys-map-num { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: rgba(143, 168, 255, .18); font: 800 1rem var(--font-display); }
.ys-map-info { display: grid; gap: 2px; min-width: 0; }
.ys-map-info strong { font-size: .9375rem; }
.ys-map-info span { font-size: .8125rem; color: var(--muted); }
.ys-map-count { display: grid; justify-items: center; font: 800 1.125rem/1 var(--font-display); color: var(--yellow); }
.ys-map-count small { font: 500 .6875rem var(--font-body); color: var(--muted); margin-top: 2px; }
.ys-map-art { display: flex; justify-content: center; margin-bottom: 6px; }
.kraken-bonus { font-size: 1.0625rem; }
.kraken-bonus strong { color: var(--correct); }
@media (max-width: 480px) {
  .ys-map-row { grid-template-columns: 32px minmax(0, 1fr) auto; }
  .ys-map-row .btn { grid-column: 2 / -1; justify-self: start; }
}
.ys-map-info .ys-map-done { color: var(--correct); font-weight: 600; }
@media (max-width: 420px) { .ys-controls, .ys-touch { gap: 8px; } .ys-touch button { width: 54px; } .ys-dive { min-width: 84px; padding-inline: 12px; } }

/* Tails! */
.tl-level { border: 0; padding: 0; margin: 14px 0; }
.tl-level legend { font-weight: 600; margin-bottom: 8px; }
.tl-soon { margin-top: 12px; }
.tl-game { --ys-chrome: 215px; max-width: max(320px, calc((100svh - var(--ys-chrome)) * 1.6)); margin-inline: auto; scroll-margin-top: 84px; }
.tl-stage { position: relative; }
.tl-stage canvas { cursor: crosshair; }
.tl-question { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); width: min(620px, calc(100% - 24px)); padding: 14px 16px;
  border-radius: var(--radius-md); background: rgba(7, 18, 63, .92); border: 2px solid var(--yellow); box-shadow: 0 12px 40px rgba(0, 0, 0, .45); }
.tl-q-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 12px; }
.tl-q-title { margin: 0; font: 800 1.125rem var(--font-display); color: var(--yellow); }
.tl-q-note { font-size: .8125rem; color: var(--muted); }
.tl-q-text { margin: 6px 0 8px; font-weight: 600; font-size: 1.0625rem; }
.tl-q-timer { height: 6px; border-radius: 999px; background: rgba(143, 168, 255, .2); overflow: hidden; }
.tl-q-timer span { display: block; height: 100%; width: 100%; background: var(--yellow); border-radius: inherit; }
.tl-answers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.tl-answers .answer { min-height: 44px; padding: 8px 10px; font-size: .9375rem; }
.tl-question .ys-q-result { margin-top: 8px; min-height: 1.2em; }
.tl-podium { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 6px; }
.tl-podium li { display: flex; justify-content: space-between; padding: 8px 12px; border-radius: var(--radius-sm); background: var(--navy-900); border: 1px solid var(--line); }
.tl-podium li.is-me { border-color: var(--yellow); }
.tl-podium strong { color: var(--yellow); }
@media (max-width: 700px) {
  /* On phones the question card sits under the river instead of covering it. */
  .tl-question { position: static; transform: none; width: auto; margin: 0; border-radius: 0; border-width: 2px 0 0; }
  .tl-answers { grid-template-columns: minmax(0, 1fr); }
  .tl-game { --ys-chrome: 400px; }
}

/* Tails! setup: the locked online lobby button */
.tl-modes { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.tl-locked { display: inline-flex; align-items: center; gap: 8px; opacity: .7; cursor: not-allowed; }
.tl-locked svg { width: 16px; height: 16px; flex: none; }

/* Homepage accents ------------------------------------------------------- */

/* Bubbles drifting up behind the hero */
.hero-bubbles { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero > .wrap { position: relative; z-index: 1; }
.hero-bubbles span { position: absolute; left: var(--x); bottom: -40px; width: var(--s); height: var(--s); border-radius: 50%;
  border: 1.5px solid rgba(143, 168, 255, .35); background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .28), rgba(143, 168, 255, .06) 60%); }
@media (prefers-reduced-motion: no-preference) {
  .hero-bubbles span { animation: bubble-rise var(--t) var(--d) linear infinite; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .hero-bubbles { display: none; } }
@keyframes bubble-rise {
  0% { transform: translate(0, 0); opacity: 0; }
  10% { opacity: 1; }
  50% { transform: translate(14px, -45vh); }
  90% { opacity: .8; }
  100% { transform: translate(-6px, -95vh); opacity: 0; }
}

/* Section headings rise gently into view as you scroll (js/home.js adds the classes) */
@media (prefers-reduced-motion: no-preference) {
  .reveal-ready .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease var(--rd, 0s), transform .6s cubic-bezier(.2, .8, .3, 1) var(--rd, 0s); }
  .reveal-ready .reveal.is-in { opacity: 1; transform: none; }
}
/* A short yellow accent bar above each section heading */
.home .section-head h2::before { content: ""; display: block; width: 44px; height: 5px; margin-bottom: 14px; border-radius: 999px; background: linear-gradient(90deg, var(--yellow), #FF9F45); }

/* More little homepage animations (all off for reduced-motion users) */
@media (prefers-reduced-motion: no-preference) {
  /* Step numbers bounce in as their step arrives */
  .home .step.is-in .step-num { animation: hm-pop .55s calc(var(--rd, 0s) + .2s) cubic-bezier(.3, 1.7, .5, 1) both; }
  /* Game mode cards lift on hover, and their icon gives a little wiggle */
  .home .mode { transition: transform .2s ease, border-color .2s ease, opacity .6s ease var(--rd, 0s); }
  .home .mode:hover { transform: translateY(-4px); border-color: rgba(255, 201, 40, .55); }
  .home .mode:hover .mode-icon { animation: hm-wiggle .5s ease; }
  /* Pricing plans lift on hover; the "Most popular" flag glows now and then */
  .home .plan { transition: transform .2s ease, box-shadow .2s ease, opacity .6s ease var(--rd, 0s); }
  .home .plan:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0, 0, 0, .35); }
  .home .plan-flag { animation: hm-glow 3.2s ease-in-out infinite; }
  /* The teacher's lobby: players pop in one by one, as if they're joining */
  .home .lobby.is-in .lobby-players li { animation: hm-pop .4s cubic-bezier(.3, 1.6, .5, 1) both; }
  .home .lobby.is-in .lobby-players li:nth-child(1) { animation-delay: 0.43s; }
  .home .lobby.is-in .lobby-players li:nth-child(2) { animation-delay: 0.61s; }
  .home .lobby.is-in .lobby-players li:nth-child(3) { animation-delay: 0.79s; }
  .home .lobby.is-in .lobby-players li:nth-child(4) { animation-delay: 0.97s; }
  .home .lobby.is-in .lobby-players li:nth-child(5) { animation-delay: 1.15s; }
  .home .lobby.is-in .lobby-players li:nth-child(6) { animation-delay: 1.33s; }
  .home .lobby.is-in .lobby-players li:nth-child(7) { animation-delay: 1.51s; }
  .home .lobby.is-in .lobby-players li:nth-child(8) { animation-delay: 1.69s; }
  .home .lobby-count { animation: hm-glow 2.4s ease-in-out infinite; }
  /* Review doodles draw themselves in */
  .home .review.is-in .review-doodle path, .home .review.is-in .review-doodle circle { stroke-dasharray: 1; stroke-dashoffset: 1; animation: hm-draw .9s calc(var(--rd, 0s) + .3s) ease-out forwards; }
  /* A shine sweeps across the main yellow buttons (once when the page opens, and on hover) */
  .home .hero-ctas .btn-yellow, .home .cta-band .btn { position: relative; overflow: hidden; }
  .home .hero-ctas .btn-yellow::after, .home .cta-band .btn::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .55) 50%, transparent 70%);
    transform: translateX(-120%); animation: hm-shine 1.1s 2.6s ease-in-out;
  }
  .home .hero-ctas .btn-yellow:hover::after, .home .cta-band .btn:hover::after { animation: hm-shine .8s ease-in-out; }
}
@keyframes hm-pop { 0% { opacity: 0; transform: scale(.4) rotate(-10deg); } 100% { opacity: 1; transform: none; } }
@keyframes hm-wiggle { 0%, 100% { transform: rotate(0); } 25% { transform: rotate(-10deg); } 60% { transform: rotate(8deg); } }
@keyframes hm-glow { 0%, 100% { box-shadow: 0 0 0 0 rgba(255, 201, 40, 0); } 50% { box-shadow: 0 0 0 6px rgba(255, 201, 40, .18); } }
@keyframes hm-draw { to { stroke-dashoffset: 0; } }
@keyframes hm-shine { from { transform: translateX(-120%); } to { transform: translateX(120%); } }

/* Wide screens: the content column widens a little, and the empty sides get faint
   doodles (fish, bubbles, ripples and sparkles) that fade out towards the content. */
@media (min-width: 1500px) {
  .wrap { max-width: 1280px; }
}
@media (min-width: 1560px) {
  body { position: relative; }
  body::before, body::after {
    content: ""; position: absolute; top: 0; bottom: 0; z-index: 2; pointer-events: none;
    width: calc((100% - 1280px) / 2 - 24px);
    background-image: url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%22260%22 height=%22340%22 viewBox=%220 0 260 340%22 fill=%22none%22 stroke-linecap=%22round%22 stroke-linejoin=%22round%22%3E %3Cg stroke=%22%238FA8FF%22 stroke-opacity=%22.22%22 stroke-width=%222.2%22%3E %3Cpath d=%22M30 60 q 18 -14 36 0 q -18 14 -36 0 z M30 60 l -12 -8 v 16 z%22/%3E%3Ccircle cx=%2258%22 cy=%2257%22 r=%221.6%22 fill=%22%238FA8FF%22 fill-opacity=%22.3%22/%3E %3Cpath d=%22M150 40 q 10 -8 20 0 t 20 0 t 20 0%22/%3E %3Ccircle cx=%22205%22 cy=%22110%22 r=%229%22/%3E%3Ccircle cx=%22222%22 cy=%2292%22 r=%225%22/%3E%3Ccircle cx=%22214%22 cy=%2276%22 r=%223%22/%3E %3Cpath d=%22M60 170 c 0 -18 26 -18 26 0 c 0 10 -13 16 -13 16 s -13 -6 -13 -16 z M73 154 v 30 M62 162 l 11 10 l 11 -10%22/%3E %3Cpath d=%22M150 210 q 22 -16 44 0 q -22 16 -44 0 z M150 210 l -14 -9 v 18 z%22/%3E%3Ccircle cx=%22184%22 cy=%22207%22 r=%221.8%22 fill=%22%238FA8FF%22 fill-opacity=%22.3%22/%3E %3Cpath d=%22M20 260 q 10 -8 20 0 t 20 0 t 20 0 t 20 0%22/%3E %3Ccircle cx=%22120%22 cy=%22300%22 r=%226%22/%3E%3Ccircle cx=%22134%22 cy=%22286%22 r=%223.5%22/%3E %3C/g%3E %3Cg stroke=%22%23FFC928%22 stroke-opacity=%22.28%22 stroke-width=%222.2%22%3E %3Cpath d=%22M120 120 v 14 M113 127 h 14%22/%3E%3Cpath d=%22M230 270 v 10 M225 275 h 10%22/%3E%3Cpath d=%22M30 120 l 6 6 M36 120 l -6 6%22/%3E %3C/g%3E %3C/svg%3E");
    background-size: 260px 340px;
    opacity: .3;   /* really faint: just a hint of texture */
  }
  body::before { left: 0; background-position: 12px 140px;
    -webkit-mask-image: linear-gradient(90deg, #000 30%, transparent); mask-image: linear-gradient(90deg, #000 30%, transparent); }
  body::after { right: 0; background-position: right 12px top 300px;
    -webkit-mask-image: linear-gradient(270deg, #000 30%, transparent); mask-image: linear-gradient(270deg, #000 30%, transparent); }
}

/* Settings: membership buttons; the one that doesn't apply is locked */
.membership-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.membership-actions .is-locked { display: inline-flex; align-items: center; gap: 8px; opacity: .5; cursor: not-allowed; box-shadow: none; }
.membership-actions .is-locked svg { width: 15px; height: 15px; flex: none; }
#mem-note { margin-top: 10px; }