/* ============================================================
   PlayLearn — Kid-friendly design system  (extra catchy!)
   Bright gradients, bouncy shapes, big touch targets, sparkle.
   ============================================================ */

:root {
  --c-sky:    #4dc3ff;
  --c-grape:  #9b6cff;
  --c-bubble: #ff6fb5;
  --c-sunny:  #ffcc33;
  --c-mint:   #46d6a0;
  --c-coral:  #ff7a59;

  --c-ink:    #2b2350;
  --c-cloud:  #fff;
  --c-paper:  #f4f0ff;

  --grad-fun: linear-gradient(135deg, #9b6cff 0%, #ff6fb5 50%, #ffcc33 100%);
  --grad-cool:linear-gradient(135deg, #4dc3ff 0%, #46d6a0 100%);

  --shadow:   0 8px 0 rgba(43, 35, 80, 0.18);
  --shadow-sm:0 4px 0 rgba(43, 35, 80, 0.18);
  --radius:   24px;
  --radius-pill: 999px;

  --font: 'Baloo 2', 'Comic Sans MS', 'Trebuchet MS', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* The HTML `hidden` attribute must always win — components like .btn/.pill
   set an explicit `display`, which would otherwise defeat [hidden]. */
[hidden] { display: none !important; }

/* ---------- No-zoom (mobile) ----------
   Block double-tap zoom on taps/buttons, and stop iOS from auto-zooming
   when a text field is focused (it zooms when input font-size < 16px). */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; touch-action: manipulation; }
button, a, .opt, .card, .btn, .swatch, [data-region] { touch-action: manipulation; }
/* >=16px prevents focus-zoom on iOS; min() keeps any larger intended size */
input, select, textarea { font-size: max(16px, 1rem); }

body {
  font-family: var(--font);
  color: var(--c-ink);
  background: var(--c-paper);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(77,195,255,.20) 0 22px, transparent 23px),
    radial-gradient(circle at 82% 12%, rgba(255,111,181,.20) 0 18px, transparent 19px),
    radial-gradient(circle at 70% 78%, rgba(70,214,160,.18) 0 26px, transparent 27px),
    radial-gradient(circle at 22% 82%, rgba(255,204,51,.20) 0 20px, transparent 21px),
    radial-gradient(circle at 50% 45%, rgba(155,108,255,.10) 0 30px, transparent 31px);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */
.wrap { max-width: 1000px; margin: 0 auto; padding: 20px; }

header.topbar { display: flex; align-items: center; gap: 14px; padding: 18px 24px; flex-wrap: wrap; }
.logo { font-size: 2rem; font-weight: 800; color: var(--c-grape); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo .mascot { font-size: 2.4rem; animation: wobble 3s ease-in-out infinite; }
.spacer { flex: 1; }

nav.crumbs { font-size: 1.05rem; }
nav.crumbs a { color: var(--c-grape); font-weight: 700; text-decoration: none; }
nav.crumbs a:hover { text-decoration: underline; }

/* Modern toggle switch (hides the native checkbox, shows a slider) */
.switch { position: relative; display: inline-block; width: 48px; height: 28px; flex: none; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch .slider {
  position: absolute; inset: 0; background: #d8cffb; border-radius: 999px; transition: background .15s;
  pointer-events: none;
}
.switch .slider::before {
  content: ""; position: absolute; height: 22px; width: 22px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: transform .15s;
}
.switch input:checked + .slider { background: var(--c-mint); }
.switch input:checked + .slider::before { transform: translateX(20px); }
.switch input:focus-visible + .slider { outline: 3px solid var(--c-grape); outline-offset: 2px; }
[dir="rtl"] .switch input:checked + .slider::before { transform: translateX(-20px); }

/* 🌐 Modern custom language switcher (no native select) */
.lang-switch { position: relative; display: inline-block; }
.lang-switch .lang-btn {
  font-family: var(--font); font-weight: 800; font-size: 1rem; color: var(--c-grape);
  background: #fff; border: 3px solid var(--c-grape); border-radius: var(--radius-pill);
  padding: 7px 14px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  transition: filter .1s;
}
.lang-switch .lang-btn:hover { filter: brightness(1.03); }
.lang-switch .lang-caret { font-size: .8rem; transition: transform .15s; }
.lang-switch.open .lang-caret { transform: rotate(180deg); }
.lang-switch .lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 100;
  background: #fff; border: 3px solid var(--c-grape); border-radius: 18px;
  box-shadow: var(--shadow); padding: 6px; min-width: 160px; max-height: 320px; overflow-y: auto;
  display: none; flex-direction: column; gap: 2px;
}
.lang-switch.open .lang-menu { display: flex; animation: pop .18s; }
.lang-switch .lang-item {
  font-family: var(--font); font-weight: 800; font-size: 1rem; color: var(--c-ink);
  background: transparent; border: none; border-radius: 12px; padding: 9px 14px;
  text-align: start; cursor: pointer; white-space: nowrap; transition: background .1s;
}
.lang-switch .lang-item:hover { background: var(--c-paper); }
.lang-switch .lang-item.on { background: var(--c-grape); color: #fff; }
/* RTL: open the menu to the other side */
[dir="rtl"] .lang-switch .lang-menu { right: auto; left: 0; }

/* ---- Kid-friendly custom dropdown (replaces native <select class="kid">) ---- */
.kidselect { position: relative; display: inline-block; min-width: 200px; }
.kidselect .ks-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-family: var(--font); font-weight: 800; font-size: 1.05rem; color: var(--c-ink);
  background: #fff; border: 3px solid var(--c-grape); border-radius: 16px;
  padding: 12px 16px; cursor: pointer; box-shadow: 0 4px 0 rgba(43,35,80,.12);
  transition: filter .12s, transform .08s;
}
.kidselect .ks-btn:hover { filter: brightness(1.02); }
.kidselect .ks-btn:active { transform: translateY(2px); box-shadow: 0 2px 0 rgba(43,35,80,.12); }
.kidselect .ks-caret { font-size: .85rem; transition: transform .15s; color: var(--c-grape); }
.kidselect.open .ks-caret { transform: rotate(180deg); }
.kidselect .ks-menu {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 100; min-width: 100%;
  background: #fff; border: 3px solid var(--c-grape); border-radius: 18px;
  box-shadow: var(--shadow); padding: 6px; max-height: 320px; overflow-y: auto;
  display: none; flex-direction: column; gap: 2px;
}
.kidselect.open .ks-menu { display: flex; animation: pop .18s; }
.kidselect .ks-item {
  font-family: var(--font); font-weight: 800; font-size: 1rem; color: var(--c-ink);
  background: transparent; border: none; border-radius: 12px; padding: 11px 14px;
  text-align: start; cursor: pointer; white-space: nowrap; transition: background .1s;
}
.kidselect .ks-item:hover { background: var(--c-paper); }
.kidselect .ks-item.on { background: var(--c-grape); color: #fff; }
[dir="rtl"] .kidselect .ks-menu { left: auto; right: 0; }

/* Logged-in account chip (header) — makes the current account obvious */
.account-chip {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; border: 3px solid var(--c-grape); border-radius: var(--radius-pill);
  padding: 6px 8px 6px 14px; box-shadow: var(--shadow-sm); line-height: 1.1;
}
.account-chip .who { font-size: 1.8rem; }
.account-chip b { font-size: 1.05rem; }
.account-chip small { color: #9a90c2; font-weight: 700; }

/* Star-score breakdown badge (header): ⭐⭐⭐ x% / ⭐⭐ y% / ⭐ z% */
.stars-badge {
  display: inline-flex; flex-direction: column; gap: 2px;
  background: linear-gradient(135deg, #fff6d6, #ffe9a8);
  border: 3px solid #ffcc33; border-radius: 16px;
  padding: 6px 12px; box-shadow: 0 3px 0 rgba(180,120,0,.25), 0 0 12px rgba(255,204,51,.4);
}
.stars-badge .sb-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; line-height: 1.1; }
.stars-badge .sb-stars { font-size: .95rem; letter-spacing: -1px; white-space: nowrap; }
.stars-badge .sb-row b { font-size: 1rem; color: #b8860b; font-weight: 800; }

/* Shiny Premium badge */
.premium-badge, #premiumBadge {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(100deg, #ffd34d, #ff9d2f 40%, #ffd34d 70%, #ffb300);
  background-size: 220% 100%;
  color: #5a3a00; font-weight: 800; border: none; border-radius: var(--radius-pill);
  padding: 7px 16px; box-shadow: 0 3px 0 rgba(180,120,0,.35), 0 0 14px rgba(255,200,60,.6);
  text-shadow: 0 1px 0 rgba(255,255,255,.5); position: relative; overflow: hidden;
  animation: shineSweep 2.6s linear infinite;
}
@keyframes shineSweep { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.premium-badge::after, #premiumBadge::after {
  content: "✨"; font-size: .9rem; animation: twinkle 1.6s ease-in-out infinite;
}

@keyframes wobble { 0%,100%{transform:rotate(-6deg)} 50%{transform:rotate(6deg)} }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 30px 20px 10px; position: relative; }
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  background: var(--grad-fun); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(2px 3px 0 rgba(255,255,255,.9));
}
.hero p.tag { font-size: 1.35rem; color: var(--c-ink); margin-top: 6px; }
.hero .mascot-big { font-size: 5rem; display: block; animation: bob 2.2s ease-in-out infinite; }

@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }

/* sparkles around hero */
.hero .spark { position:absolute; font-size:1.6rem; animation: twinkle 2.4s ease-in-out infinite; }
@keyframes twinkle { 0%,100%{opacity:.3; transform:scale(.8)} 50%{opacity:1; transform:scale(1.2)} }

/* ---------- Card grid ---------- */
.cards { display: grid; gap: 22px; margin-top: 28px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card {
  display: block; text-decoration: none; color: var(--c-ink);
  background: var(--c-cloud); border-radius: var(--radius);
  padding: 28px 22px; text-align: center;
  box-shadow: var(--shadow); border: 4px solid transparent;
  transition: transform .14s ease, box-shadow .14s ease;
  position: relative; overflow: hidden;
}
.card::after { content:''; position:absolute; inset:0; background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.5) 50%,transparent 70%); transform:translateX(-120%); transition:transform .5s; }
.card:hover::after { transform: translateX(120%); }
.card:hover, .card:focus { transform: translateY(-8px) rotate(-1.5deg) scale(1.02); box-shadow: 0 16px 0 rgba(43,35,80,.18); }
.card .ico { font-size: 3.6rem; display: block; margin-bottom: 8px; animation: bob 3s ease-in-out infinite; }
.card h2 { font-size: 1.6rem; margin-bottom: 6px; }
.card.math  { border-color: var(--c-sky); }    .card.math h2  { color: var(--c-sky); }
.card.vocab { border-color: var(--c-bubble); }  .card.vocab h2 { color: var(--c-bubble); }
.card.geo   { border-color: var(--c-mint); }    .card.geo h2   { color: var(--c-mint); }
.card.lang  { border-color: var(--c-grape); }   .card.lang h2  { color: var(--c-grape); }
/* Academic subject tiles (registry-driven) — reuse the palette so the grid stays
   colorful without new colors. They link into Play Race for that subject. */
.card.sci   { border-color: var(--c-mint); }    .card.sci h2   { color: var(--c-mint); }
.card.hist  { border-color: var(--c-coral); }   .card.hist h2  { color: var(--c-coral); }
.card.tech  { border-color: var(--c-sky); }     .card.tech h2  { color: var(--c-sky); }
.card.art   { border-color: var(--c-bubble); }  .card.art h2   { color: var(--c-bubble); }
.card.econ  { border-color: var(--c-sunny); }   .card.econ h2  { color: #e0a800; }
/* Play Race tile — stands out with the fun gradient + a NEW badge */
.card.race-tile { background: var(--grad-fun); color: #fff; border-color: transparent; position: relative; }
.card.race-tile h2 { color: #fff; }
.card.race-tile .ico { animation: bob 1.6s ease-in-out infinite; }
/* Quick Games tile — cool gradient + NEW badge */
.card.sky-tile { background: var(--grad-cool); color: #fff; border-color: transparent; position: relative; }
.card.sky-tile h2 { color: #fff; }
.card.sky-tile p { color: #fff; }
.card.sky-tile .ico { animation: bob 1.6s ease-in-out infinite; }
.badge-new { position: absolute; top: 12px; right: 14px; background: #fff; color: var(--c-bubble);
  font-weight: 800; font-size: .8rem; padding: 3px 10px; border-radius: 999px; letter-spacing: 1px; }
/* A game category the parent turned off — shown but locked */
.card.locked-game { filter: grayscale(.7) opacity(.6); position: relative; }
.card.locked-game:hover { transform: none; box-shadow: var(--shadow); }
.card.locked-game .lock-badge { position: absolute; top: 10px; right: 12px; font-size: 1.6rem; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font); font-weight: 800; font-size: 1.25rem;
  color: #fff; background: var(--c-grape);
  border: none; border-radius: var(--radius-pill);
  padding: 14px 30px; cursor: pointer; box-shadow: var(--shadow-sm);
  transition: transform .08s ease, filter .08s; text-decoration: none; display: inline-block;
}
.btn:hover { filter: brightness(1.06); transform: translateY(-2px); }
.btn:active { transform: translateY(4px); box-shadow: none; }
.btn.sky{background:var(--c-sky)} .btn.bubble{background:var(--c-bubble)} .btn.mint{background:var(--c-mint)}
.btn.sunny{background:var(--c-sunny);color:var(--c-ink)} .btn.coral{background:var(--c-coral)}
.btn.grape{background:var(--c-grape)}
.btn.grad{background:var(--grad-fun)}
.btn.gender{opacity:.55;filter:grayscale(.3)}
.btn.gender.on{opacity:1;filter:none;outline:4px solid var(--c-ink);outline-offset:2px}
.btn.big{font-size:1.9rem;padding:24px 60px;border-radius:32px}
.btn.huge{font-size:2.3rem;padding:30px 72px;border-radius:36px}

/* ---------- Game shell ---------- */
.game { background: var(--c-cloud); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; margin-top: 20px; }
.scorebar { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-bottom: 18px; }
.pill { background: var(--c-paper); border-radius: var(--radius-pill); padding: 8px 20px; font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.pill .big-num { font-size: 1.4rem; color: var(--c-grape); }

.question { text-align: center; font-size: clamp(2.2rem, 8vw, 4.2rem); font-weight: 800; color: var(--c-ink); margin: 20px 0 28px; letter-spacing: 1px; }
.prompt-sub { text-align:center; font-size:1.3rem; color:var(--c-grape); font-weight:800; margin-top:-12px; margin-bottom:18px; }

.options { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); max-width: 660px; margin: 0 auto; }
.opt {
  font-family: var(--font); font-weight: 800; font-size: clamp(1.1rem, 4vw, 1.7rem);
  background: var(--c-sunny); color: var(--c-ink);
  border: none; border-radius: var(--radius); padding: 18px 14px; cursor: pointer;
  box-shadow: var(--shadow-sm); transition: transform .08s, filter .08s;
  /* fit long labels (e.g. country names) inside the button */
  text-align: center; line-height: 1.2; white-space: normal;
  overflow-wrap: break-word; word-break: break-word; hyphens: auto;
  min-width: 0; display: flex; align-items: center; justify-content: center;
}
.opt:hover { filter: brightness(1.04); transform: translateY(-3px); }
.opt:active { transform: translateY(2px); }
.opt.correct { background: var(--c-mint); color: #fff; animation: pop .35s; }
.opt.wrong   { background: var(--c-coral); color: #fff; animation: shake .4s; }
.opt.chosen  { outline: 4px solid var(--c-grape); outline-offset: 2px; } /* your locked-in pick (multiplayer) */
.opt:disabled { cursor: default; }

@keyframes pop { 0%{transform:scale(1)} 40%{transform:scale(1.18)} 100%{transform:scale(1)} }
@keyframes shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-8px)} 40%{transform:translateX(8px)} 60%{transform:translateX(-6px)} 80%{transform:translateX(6px)} }

/* 🔊 speak (text-to-speech) buttons */
.speak-btn {
  font-family: var(--font); border: none; cursor: pointer;
  background: var(--c-sky); color: #fff; border-radius: var(--radius-pill);
  padding: 4px 12px; font-size: 1.2rem; line-height: 1; vertical-align: middle;
  box-shadow: var(--shadow-sm); transition: transform .08s, filter .08s;
}
.speak-btn:hover { filter: brightness(1.05); }
.speak-btn:active { transform: translateY(2px); box-shadow: none; }
.speak-btn.mini { padding: 4px 12px; font-size: 1.3rem; background: rgba(43,35,80,.12); color: var(--c-ink); box-shadow: none; }
/* Big, easy-to-tap "Hear it" button (mobile-friendly) */
.speak-big { font-size: 1.4rem; padding: 12px 28px; }

/* Blink the correct answer (used when a wrong answer is chosen) */
@keyframes blinkCorrect {
  0%, 100% { background: var(--c-mint); }
  50% { background: #ffcc33; transform: scale(1.05); }
}
.opt.blink { animation: blinkCorrect .5s ease-in-out 4; color: #fff; }

/* text input for rewrite/translate typing */
.type-in {
  font-family: var(--font); font-weight: 800; font-size: 2rem; text-align: center;
  border: 4px solid var(--c-grape); border-radius: var(--radius); padding: 14px 20px;
  width: 100%; max-width: 420px; display: block; margin: 0 auto 18px; color: var(--c-ink);
  outline: none;
}
.type-in:focus { border-color: var(--c-bubble); }
.type-in.rtl { direction: rtl; }

/* ---------- Math "Explain" object visualizer ---------- */
.explain-box {
  font-family: var(--font); background: var(--c-paper);
  border: 3px dashed var(--c-grape); border-radius: var(--radius);
  padding: 16px 18px; margin: 0 auto 16px; max-width: 680px;
  text-align: center; color: var(--c-ink); animation: pop .3s;
}
/* grouped layout: left [op] right = result, each a neat bordered box */
.explain-box .ex-row {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 10px;
}
.explain-box .ex-block {
  background: #fff; border: 3px solid var(--c-sky); border-radius: 16px;
  padding: 10px; display: inline-flex; flex-direction: column; align-items: center; gap: 6px;
}
.explain-box .ex-block.ex-result { border-color: var(--c-mint); }
.explain-box .ex-group {
  display: grid; grid-template-columns: repeat(var(--per-row, 5), 1fr); gap: 2px;
  justify-items: center;
}
.explain-box .ex-emoji { font-size: 1.5rem; line-height: 1.2; }
.explain-box .ex-label { font-weight: 800; font-size: .95rem; color: var(--c-grape); }
.explain-box .ex-op { font-size: 2rem; font-weight: 800; color: var(--c-ink); }
.explain-box .ex-sentence { font-weight: 800; font-size: 1.2rem; margin-top: 12px; color: var(--c-ink); }
.explain-box .ex-result.ex-q { border-color: var(--c-grape); border-style: dashed; }
.explain-box .ex-qmark { font-size: 2.6rem; font-weight: 800; color: var(--c-grape); padding: 4px 14px; }

/* ---------- Encouragement ---------- */
.cheer { text-align: center; font-size: 1.5rem; font-weight: 800; min-height: 2.2rem; margin: 16px 0; }
.cheer.show { animation: pop .4s; }
.cheer.good { color: var(--c-mint); }
.cheer.try  { color: var(--c-coral); }

/* ---------- Difficulty / option rows ---------- */
.levels { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin: 18px 0; }
.rowgap { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin: 14px 0; align-items:center; }
.label-strong { font-weight:800; font-size:1.1rem; }

select.kid {
  font-family:var(--font); font-weight:800; font-size:1.1rem; color:var(--c-ink);
  border:3px solid var(--c-grape); border-radius:var(--radius-pill); padding:10px 18px; background:#fff; cursor:pointer;
}

/* ---------- Progress / rewards ---------- */
.stars { font-size: 1.6rem; letter-spacing: 4px; }
.streak-flame { color: var(--c-coral); }
.result-card { text-align:center; padding:30px; }
.result-card .big-emoji { font-size:4rem; display:block; animation:bob 2s ease-in-out infinite; }
.result-card h2 { font-size:2rem; color:var(--c-grape); margin:10px 0; }

/* progress bars on home */
.progress-grid { display:grid; gap:14px; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); margin-top:14px; }
.prog { background:var(--c-paper); border-radius:16px; padding:14px 16px; }
.prog .bar { height:14px; background:#e3dcff; border-radius:999px; overflow:hidden; margin-top:8px; }
.prog .bar i { display:block; height:100%; background:var(--grad-cool); border-radius:999px; }

/* ---------- Confetti ---------- */
#confetti { position: fixed; inset: 0; pointer-events: none; z-index: 50; }

/* ---------- Modern modal dialogs (UI.alert/confirm/prompt) ---------- */
.pl-modal-overlay {
  position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center;
  background: rgba(43,35,80,.55); backdrop-filter: blur(3px); padding: 20px;
  opacity: 0; transition: opacity .18s ease;
}
.pl-modal-overlay.show { opacity: 1; }
.pl-modal-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 28px 26px; max-width: 420px; width: 100%; text-align: center;
  transform: translateY(14px) scale(.96); transition: transform .18s ease;
}
.pl-modal-overlay.show .pl-modal-card { transform: translateY(0) scale(1); }
.pl-modal-emoji { font-size: 3rem; line-height: 1; }
.pl-modal-title { color: var(--c-grape); font-size: 1.6rem; margin: 8px 0 4px; }
.pl-modal-msg { font-size: 1.1rem; margin: 6px 0 4px; color: var(--c-ink); }
.pl-modal-input {
  font-family: var(--font); font-weight: 800; font-size: max(16px, 1.3rem); text-align: center;
  border: 3px solid var(--c-grape); border-radius: 16px; padding: 12px 16px;
  width: 100%; margin: 12px 0 4px; outline: none;
}
.pl-modal-input:focus { border-color: var(--c-bubble); }
.pl-modal-err { color: var(--c-coral); font-weight: 800; min-height: 1.3rem; margin: 2px 0; font-size: .95rem; }
.pl-modal-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }

/* ---------- Interstitial (full-page) ad overlay ---------- */
.interstitial-ad {
  position: fixed; inset: 0; z-index: 3000; background: rgba(43,35,80,.92);
  display: flex; align-items: center; justify-content: center; padding: 18px;
}
.interstitial-ad .ia-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  width: 100%; max-width: 640px; padding: 16px; text-align: center;
}
.interstitial-ad .ia-head {
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 800; color: #9a90c2; font-size: .9rem; margin-bottom: 10px;
}
.interstitial-ad .ia-close {
  font-family: var(--font); font-weight: 800; font-size: 1rem;
  background: var(--c-coral); color: #fff; border: none; border-radius: 999px;
  padding: 8px 16px; cursor: pointer;
}
.interstitial-ad .ia-close:disabled { background: #ccc; cursor: not-allowed; }
.interstitial-ad .ia-slot { min-height: 250px; margin: 0; }
.interstitial-ad .ia-note { margin-top: 12px; font-weight: 800; color: var(--c-grape); }

/* ---------- Toast (with countdown bar) ---------- */
.pl-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--c-ink); color: #fff; font-weight: 800; padding: 12px 18px 10px;
  border-radius: 16px; z-index: 1001; opacity: 0; transition: opacity .2s, transform .2s;
  box-shadow: var(--shadow-sm); min-width: 220px; max-width: 90vw;
}
.pl-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.pl-toast-row { display: flex; align-items: center; gap: 8px; }
.pl-toast-ic { font-size: 1.2rem; }
.pl-toast-bar { display: block; height: 5px; background: rgba(255,255,255,.25); border-radius: 999px; margin-top: 9px; overflow: hidden; }
.pl-toast-bar i { display: block; height: 100%; width: 100%; background: #fff; border-radius: 999px; }
.pl-toast-success { background: #1c8a5c; }
.pl-toast-success .pl-toast-bar i { background: #b9ffe0; }
.pl-toast-error { background: var(--c-coral); }
.pl-toast-error .pl-toast-bar i { background: #ffe0d6; }
.pl-toast-info { background: var(--c-grape); }

/* ---------- Play-gate overlay (free limit / premium milestone / ad) ---------- */
.gate-overlay {
  position: fixed; inset: 0; z-index: 200; background: rgba(43,35,80,.55);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  backdrop-filter: blur(3px);
}
.gate-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 30px 26px; max-width: 460px; width: 100%; text-align: center;
  animation: pop .3s;
}
.gate-card .big-emoji { font-size: 3.6rem; display: block; }
.gate-card h2 { color: var(--c-grape); margin: 8px 0; font-size: 1.7rem; }
.gate-btns { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.gate-count { font-size: 2.4rem; font-weight: 800; color: var(--c-grape); margin-top: 10px; }

/* ---------- Ad slot (placeholder) ---------- */
.ad-slot {
  margin: 28px auto 0; max-width: 728px;
  background: repeating-linear-gradient(45deg,#f0eef9,#f0eef9 10px,#f7f6fc 10px,#f7f6fc 20px);
  border: 2px dashed #c7bfe6; border-radius: 14px; min-height: 96px;
  display: flex; align-items: center; justify-content: center;
  color: #9a90c2; font-weight: 800; letter-spacing: 1px; text-align:center; padding:10px;
}

/* ---------- Premium teaser ---------- */
.premium { margin-top: 30px; background: var(--grad-fun); color:#fff; border-radius: var(--radius); padding: 28px; text-align:center; box-shadow: var(--shadow); }
.premium h2 { font-size: 1.9rem; } .premium p { margin: 8px 0 16px; font-size: 1.12rem; }

/* ---------- SEO/content ---------- */
.content { background:var(--c-cloud); border-radius:var(--radius); box-shadow:var(--shadow-sm); padding:26px; margin-top:20px; }
.content h2 { color: var(--c-grape); margin: 14px 0 8px; }
.content p { margin-bottom: 10px; } .content ul { margin: 8px 0 12px 22px; }

/* ---------- 📒 Homework (kid home: assigned homework/exams, open anytime) ---------- */
.homework-list { display: flex; flex-direction: column; gap: 10px; }
.homework-item { display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  background: #fff; border: 3px solid #ece6ff; border-radius: 18px; padding: 12px 16px;
  font-family: var(--font); cursor: pointer; }
.homework-item:hover { border-color: var(--c-grape); }
.homework-item.locked, .homework-item.done { cursor: default; opacity: .7; }
.homework-item .hw-emoji { font-size: 2rem; line-height: 1; flex: 0 0 auto; }
.homework-item .hw-text { flex: 1; min-width: 0; }
.homework-item .hw-name { font-weight: 800; color: var(--c-ink); font-size: 1.1rem; }
.homework-item .hw-subject { color: #9a90c2; font-weight: 700; font-size: .9rem; }
.homework-item .hw-pills { display: flex; gap: 6px; flex-wrap: wrap; flex: 0 0 auto; }
.hw-pill { font-weight: 800; font-size: .82rem; border-radius: 999px; padding: 4px 12px; }
.hw-pill.todo { background: #fff1cc; color: #b8860b; }
.hw-pill.done { background: #d6f7ea; color: #159d6f; }
.hw-pill.retake { background: var(--c-grape); color: #fff; }

/* ---------- 🔔 Kid reminders (league/event banners) ---------- */
.kid-reminders { background: transparent; box-shadow: none; padding: 0; }
.kr-list { display: flex; flex-direction: column; gap: 8px; }
.kr-card { display: flex; align-items: center; gap: 10px; background: #fff7e6; border: 3px solid #ffcc33;
  border-radius: 16px; padding: 12px 16px; font-weight: 800; color: var(--c-ink); }
.kr-card .kr-msg { flex: 1; }
.kr-card .kr-x { flex: 0 0 auto; border: none; background: #ffe6a3; color: #b8860b; font-weight: 800;
  border-radius: 999px; width: 30px; height: 30px; cursor: pointer; font-family: var(--font); }
.kr-card .kr-x:hover { background: var(--c-sunny); }

/* ---------- 🎓 Today's Class (kid home lockdown + quiz) ---------- */
.today-class { background: var(--grad-cool); color: #fff; text-align: center; }
.tc-panel { padding: 8px 4px 6px; }
.tc-emoji { font-size: 3.4rem; line-height: 1; animation: bob 2.4s ease-in-out infinite; }
.tc-title { color: #fff !important; font-size: 1.9rem; margin: 8px 0 4px; }
.tc-classname { font-size: 1.5rem; font-weight: 800; margin: 4px 0 8px; }
.tc-sub { font-size: 1.12rem; margin: 0 0 18px; opacity: .95; }

/* Quiz + result overlay card (reuses .pl-modal-overlay backdrop) */
.tc-overlay { align-items: flex-start; overflow-y: auto; }
.tc-quiz-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  max-width: 720px; width: 100%; margin: 24px auto; display: flex; flex-direction: column;
  max-height: calc(100vh - 48px); transform: translateY(14px) scale(.97); transition: transform .18s ease;
}
.tc-overlay.show .tc-quiz-card { transform: translateY(0) scale(1); }
.tc-quiz-head {
  display: flex; align-items: center; gap: 10px; padding: 18px 24px; font-size: 1.4rem;
  color: var(--c-grape); border-bottom: 3px solid var(--c-paper); flex: 0 0 auto;
}
.tc-emoji-sm { font-size: 1.8rem; }
.tc-quiz-body { padding: 18px 24px; overflow-y: auto; flex: 1 1 auto; }
.tc-q { margin-bottom: 26px; }
.tc-q-num { font-weight: 800; color: var(--c-grape); font-size: 1rem; margin-bottom: 6px; }
.tc-q-prompt { font-size: 1.4rem; font-weight: 800; color: var(--c-ink); margin-bottom: 14px; }
.tc-opts { max-width: 100%; }
.tc-typed { font-size: 1.5rem; max-width: 100%; }
.tc-quiz-foot { padding: 16px 24px 22px; text-align: center; border-top: 3px solid var(--c-paper); flex: 0 0 auto; }

/* Per-question review rows */
.tc-result { padding: 24px 20px 4px; }
.tc-rev { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 16px; margin-bottom: 12px; background: var(--c-paper); }
.tc-rev.ok { background: #e4f8ec; }
.tc-rev.no { background: #fde8e8; }
.tc-rev-mark { font-size: 1.5rem; line-height: 1.2; }
.tc-rev-text { font-size: 1.05rem; color: var(--c-ink); line-height: 1.35; }
.tc-rev-answer { font-weight: 800; color: var(--c-mint); }

/* ---------- Footer ---------- */
footer { text-align: center; padding: 30px 20px; color: var(--c-ink); font-size: .95rem; opacity: .85; }
footer a { color: var(--c-grape); font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; scroll-behavior: auto; }
}

/* ============================================================
   Quick Games (games/quick/*) — boards, turn indicator, picks.
   Big, tappable, kid-friendly. Reuses the design tokens above.
   ============================================================ */
.qg-vs { display:flex; align-items:center; justify-content:center; gap:16px; margin:14px 0; flex-wrap:wrap; }
.qg-pcard { background:var(--c-paper); border-radius:20px; padding:12px 20px; text-align:center; min-width:120px; }
.qg-pcard .av { font-size:2.4rem; display:block; }
.qg-pcard .pts { font-size:1.8rem; font-weight:800; color:var(--c-grape); }
.qg-vs .x { font-size:1.4rem; font-weight:800; color:var(--c-coral); }
.turn-ind { text-align:center; font-size:1.3rem; font-weight:800; margin:6px 0 14px; min-height:1.4em; }
.turn-ind.you { color:var(--c-mint); }
.turn-ind.opp { color:var(--c-grape); }

/* generic square grid (ttt) */
.qg-grid { display:grid; gap:10px; justify-content:center; margin:0 auto; }
.ttt-grid { grid-template-columns:repeat(3, 1fr); max-width:340px; }
.qg-cell {
  aspect-ratio:1/1; font-family:var(--font); font-weight:800; font-size:3rem;
  background:#fff; border:4px solid var(--c-grape); border-radius:18px; color:var(--c-ink);
  cursor:pointer; display:flex; align-items:center; justify-content:center; line-height:1;
  transition:transform .08s, background .1s;
}
.qg-cell:not(:disabled):hover { transform:translateY(-2px); background:var(--c-paper); }
.qg-cell:disabled { cursor:default; }
.qg-cell.x { color:var(--c-coral); }
.qg-cell.o { color:var(--c-sky); }

/* connect four */
.c4-grid { grid-template-columns:repeat(var(--cols,7), 1fr); gap:6px; max-width:460px; background:var(--c-grape); padding:10px; border-radius:18px; }
.c4-cell { aspect-ratio:1/1; border:none; border-radius:50%; background:#efeaff; font-size:1.4rem; padding:0; min-width:0; }
.c4-cell:not(:disabled):hover { background:#fff; transform:none; }
.c4-cell.p-me, .c4-cell.p-opp { background:#fff; }

/* dots & boxes — 5x5 grid of dots/edges/boxes */
.dots-grid { display:grid; grid-template-columns:28px 70px 28px 70px 28px; grid-auto-rows:28px 70px 28px 70px 28px;
  grid-template-rows:28px 70px 28px 70px 28px; justify-content:center; align-content:center; margin:10px auto; gap:0; }
.dots-grid .dot { width:18px; height:18px; background:var(--c-ink); border-radius:50%; margin:auto; }
.dots-grid .edge { background:#e3dcff; border-radius:6px; cursor:pointer; align-self:center; justify-self:center; }
.dots-grid .edge-h { width:60px; height:10px; }
.dots-grid .edge-v { width:10px; height:60px; }
.dots-grid .edge:hover { background:var(--c-sunny); }
.dots-grid .edge.drawn { background:var(--c-grape); cursor:default; }
.dots-grid .box { display:flex; align-items:center; justify-content:center; font-size:1.6rem; border-radius:10px; }
.dots-grid .box.mine { background:rgba(70,214,160,.25); }
.dots-grid .box.theirs { background:rgba(155,108,255,.18); }

/* rock paper scissors */
.rps-board { text-align:center; }
#rpsRound { font-weight:800; font-size:1.2rem; margin:6px 0; }
#rpsReveal { font-size:1.4rem; margin:14px 0; min-height:1.6em; }
.rps-picks { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin:10px 0; }
.rps-btn {
  font-size:3rem; background:#fff; border:4px solid var(--c-grape); border-radius:22px;
  width:96px; height:96px; cursor:pointer; transition:transform .08s;
}
.rps-btn:not(:disabled):hover { transform:translateY(-3px); }
.rps-btn.chosen { background:var(--c-sunny); border-color:var(--c-coral); }
#rpsNote { font-weight:700; min-height:1.4em; margin-top:8px; }

/* lobby difficulty pills */
/* Unselected pills use one consistent dark text on their pastel fill — the base
   .btn color classes disagree (sunny=dark, mint/coral=white), which made only
   "Medium" readable. Force ink text for all three when not selected. */
.diff-pick { opacity:.85; color:var(--c-ink); transition:opacity .12s, transform .12s, box-shadow .12s; }
.diff-pick.on {
  /* Selected pill: grape fill + white text so it's always readable
     (was white-on-white because the .btn color classes set white text). */
  background:var(--c-grape); color:#fff; opacity:1;
  border-color:var(--c-grape);
  box-shadow:0 0 0 4px rgba(124,77,255,.25), 0 4px 0 rgba(43,35,80,.18);
  transform:translateY(-2px);
}
.diff-pick.on::after { content:" ✓"; font-weight:900; }

/* ============================================================
   Parent dashboard — new UI: teacher card, per-kid chat/classroom
   toggles, AI Coach, competitive + badges, Champion Leagues.
   ============================================================ */

/* Inline toggle row reused for chat/classroom (matches .switch/.slider) */
.kid-toggle-row { display:flex; align-items:center; gap:10px; background:#fff; border:2px solid #ece6ff; border-radius:14px; padding:8px 12px; margin-top:8px; }
.kid-toggle-row .kt-name { font-weight:800; flex:1; }
.kid-toggle-row .perday-toggle { margin-bottom:0; }
.settings-subhead { font-weight:800; color:var(--c-grape); margin:16px 0 4px; }

/* "I'm a teacher" account card */
.teacher-card { display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.teacher-card .tc-text { flex:1; min-width:200px; }
.teacher-card .tc-text b { color:var(--c-grape); }
.teacher-card .tc-hint { color:#9a90c2; font-weight:700; font-size:.95rem; margin-top:2px; }

/* AI Coach panel */
.ai-box { margin-top:14px; padding-top:14px; border-top:2px dashed #d8cffb; display:none; }
.ai-box.open { display:block; }
.ai-summary { background:var(--c-paper); border-radius:16px; padding:14px 16px; font-weight:700; color:var(--c-ink); line-height:1.4; }
.ai-block { margin-top:14px; }
.ai-block h4 { color:var(--c-grape); font-size:1.05rem; font-weight:800; margin-bottom:6px; }
.ai-chips { display:flex; flex-wrap:wrap; gap:8px; }
.ai-chip { font-weight:800; font-size:.9rem; border-radius:999px; padding:6px 14px; }
.ai-chip.weak { background:#ffe0d6; color:#d8492a; }
.ai-chip.strong { background:#d6f7ea; color:#159d6f; }
.ai-chip.focus { background:#e9e3ff; color:var(--c-grape); }
.ai-tips { margin:6px 0 0; padding-left:20px; font-weight:700; color:var(--c-ink); }
.ai-tips li { margin:4px 0; }
.ai-upsell { background:repeating-linear-gradient(45deg,#fff7e0,#fff7e0 10px,#fff0c2 10px,#fff0c2 20px); border-radius:16px; padding:16px; font-weight:800; color:#5a3a00; }

/* Competitive + badges (inside the Progress panel) */
.comp-section { margin-top:14px; }
.comp-section h4 { color:var(--c-grape); font-size:1.05rem; font-weight:800; margin-bottom:6px; }
.comp-row { display:flex; gap:14px; flex-wrap:wrap; }
.comp-card { background:#fff; border:2px solid #ece6ff; border-radius:14px; padding:10px 14px; font-weight:800; color:var(--c-ink); }
.comp-card b { color:var(--c-grape); }
.badge-row { display:flex; gap:10px; flex-wrap:wrap; margin-top:8px; }
.badge-chip { display:inline-flex; align-items:center; gap:6px; background:var(--grad-fun); color:#fff; font-weight:800; border-radius:999px; padding:6px 14px; font-size:.92rem; }
.badge-chip .be-exp { font-weight:700; opacity:.85; font-size:.82rem; }

/* Champion Leagues */
.league-card { background:#fff; border:2px solid #ece6ff; border-radius:16px; padding:12px 14px; margin:10px 0; display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.league-card .lc-name { font-weight:800; font-size:1.15rem; }
.league-card .lc-sub { color:#9a90c2; font-weight:700; font-size:.9rem; }
.league-card .spacer { flex:1; }
.league-status { font-weight:800; border-radius:999px; padding:4px 12px; font-size:.85rem; white-space:nowrap; }
.league-status.open { background:#fff1cc; color:#b8860b; }
.league-status.running { background:#d6f7ea; color:#159d6f; }
.league-status.done { background:#e9e3ff; color:var(--c-grape); }
.league-detail { margin-top:14px; padding-top:14px; border-top:2px dashed #d8cffb; }
.league-create { background:var(--c-paper); border-radius:16px; padding:14px 16px; margin-top:10px; }
.league-create .lc-row { margin:10px 0; }
.league-create .lc-row > .label-strong { display:block; margin-bottom:6px; }

/* Bracket */
.bracket-round { margin-top:14px; }
.bracket-round h4 { color:var(--c-grape); font-size:1rem; font-weight:800; margin-bottom:6px; }
.match { display:flex; align-items:center; gap:8px; flex-wrap:wrap; background:#fff; border:2px solid #ece6ff; border-radius:14px; padding:10px 12px; margin:8px 0; }
.match .m-player { font-weight:800; color:var(--c-ink); }
.match .m-player.win { color:#159d6f; }
.match .m-player.bye { color:#9a90c2; font-style:italic; }
.match .m-score { font-weight:800; background:var(--c-paper); border-radius:10px; padding:2px 10px; min-width:28px; text-align:center; }
.match .m-vs { color:#9a90c2; font-weight:800; }
.match .m-status { margin-left:auto; font-weight:800; font-size:.82rem; border-radius:999px; padding:3px 10px; }
.match .m-status.pending { background:#fff1cc; color:#b8860b; }
.match .m-status.done { background:#d6f7ea; color:#159d6f; }
.match-report { display:flex; gap:6px; flex-wrap:wrap; align-items:center; width:100%; margin-top:6px; }
.match-report input.tt { width:64px; padding:7px 10px; }

/* Seed editor (reorder players while league is open) */
.seed-list { margin-top:10px; }
.seed-item { display:flex; align-items:center; gap:8px; background:#fff; border:2px solid #ece6ff; border-radius:14px; padding:8px 12px; margin:6px 0; }
.seed-item .si-name { font-weight:800; flex:1; }
.seed-item .si-seed { font-weight:800; color:var(--c-grape); width:24px; }
.seed-item button { font-family:var(--font); font-weight:800; border:none; background:var(--c-paper); color:var(--c-ink); border-radius:10px; padding:6px 12px; cursor:pointer; }
.seed-item button:disabled { opacity:.35; cursor:default; }

/* Champion banner */
.champion-banner { background:var(--grad-fun); color:#fff; border-radius:18px; padding:18px; text-align:center; margin-top:12px; box-shadow:var(--shadow-sm); }
.champion-banner .cb-avatar { font-size:3rem; line-height:1; }
.champion-banner .cb-name { font-size:1.5rem; font-weight:900; margin-top:4px; }

/* Kid-select chips (league create + class enrol) — custom toggle, NO native checkbox shown */
.kid-pick { display:flex; flex-wrap:wrap; gap:8px; }
.kid-pick .kp-chip { display:inline-flex; align-items:center; gap:8px; background:#fff; border:3px solid #ece6ff; border-radius:999px; padding:6px 14px; cursor:pointer; font-weight:800; user-select:none; }
/* Hide the native checkbox; the chip itself is the control. */
.kid-pick .kp-chip input { position:absolute; opacity:0; width:0; height:0; pointer-events:none; }
.kid-pick .kp-chip::before { content:""; width:18px; height:18px; border-radius:6px; border:2px solid #cfc4f5; flex:0 0 auto; display:inline-block; }
.kid-pick .kp-chip.on { border-color:var(--c-mint); background:#eafaf3; }
.kid-pick .kp-chip.on::before { content:"✓"; background:var(--c-mint); border-color:var(--c-mint); color:#fff; font-size:.8rem; line-height:18px; text-align:center; }

/* Collapsible league panel */
.collapse-toggle { cursor:pointer; user-select:none; }
.collapse-toggle .ct-caret { transition:transform .15s; display:inline-block; }
.collapse-toggle.open .ct-caret { transform:rotate(90deg); }

/* ============================================================
   AI Buddy (kid tutor/chat)
   Big, bright, rounded full-screen-ish overlay with a chat thread.
   ============================================================ */
body.buddy-open { overflow:hidden; }

.buddy-overlay {
  position:fixed; inset:0; z-index:1200;
  display:flex; align-items:center; justify-content:center;
  background:rgba(43,35,80,.55); backdrop-filter:blur(3px);
  padding:16px; opacity:0; pointer-events:none; transition:opacity .18s ease;
}
.buddy-overlay.show { opacity:1; pointer-events:auto; }

.buddy-card {
  width:min(640px,100%); height:min(86vh,820px);
  display:flex; flex-direction:column;
  background:#fff; border-radius:28px; overflow:hidden;
  box-shadow:0 18px 48px rgba(43,35,80,.35);
  transform:translateY(16px) scale(.98); transition:transform .2s ease;
}
.buddy-overlay.show .buddy-card { transform:none; }

/* Header */
.buddy-head {
  display:flex; align-items:center; gap:12px; padding:14px 16px;
  background:var(--grad-fun); color:#fff;
}
.buddy-avatar { font-size:2.6rem; line-height:1; flex:0 0 auto; }
.buddy-titlebox { flex:1 1 auto; min-width:0; }
.buddy-title { font-size:1.4rem; font-weight:900; line-height:1.1; }
.buddy-sub { font-size:.95rem; opacity:.92; font-weight:700; margin-top:2px;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.buddy-x {
  flex:0 0 auto; width:44px; height:44px; border:none; cursor:pointer;
  background:rgba(255,255,255,.22); color:#fff; border-radius:999px;
  font-size:1.2rem; font-weight:900; line-height:1;
}
.buddy-x:hover { background:rgba(255,255,255,.34); }
.buddy-mute {
  flex:0 0 auto; width:44px; height:44px; border:none; cursor:pointer;
  background:rgba(255,255,255,.22); color:#fff; border-radius:999px;
  font-size:1.2rem; line-height:1; margin-inline-end:6px;
}
.buddy-mute:hover { background:rgba(255,255,255,.34); }

/* Messages */
.buddy-msgs {
  flex:1 1 auto; overflow-y:auto; padding:18px 16px;
  display:flex; flex-direction:column; gap:12px;
  background:#faf8ff; -webkit-overflow-scrolling:touch;
}
.buddy-row { display:flex; }
.buddy-row-kid { justify-content:flex-end; }
.buddy-row-buddy { justify-content:flex-start; }

.buddy-bubble {
  max-width:82%; padding:12px 16px; border-radius:22px;
  font-size:1.15rem; font-weight:700; line-height:1.4;
  box-shadow:var(--shadow-sm); position:relative;
  word-wrap:break-word; overflow-wrap:anywhere;
}
.buddy-bubble-buddy { background:#fff; color:var(--c-ink); border:3px solid #ece6ff; border-bottom-left-radius:8px; }
.buddy-bubble-kid { background:var(--c-sky); color:#fff; border-bottom-right-radius:8px; }

.buddy-speak {
  border:none; background:#f0ecff; color:var(--c-grape);
  width:34px; height:34px; border-radius:999px; cursor:pointer;
  font-size:1rem; line-height:1; margin-left:8px; vertical-align:middle;
}
.buddy-speak:hover { background:#e3dcff; }

/* Typing indicator */
.buddy-typing { display:inline-flex; gap:6px; align-items:center; }
.buddy-typing span {
  width:9px; height:9px; border-radius:999px; background:var(--c-grape);
  display:inline-block; opacity:.4; animation:buddyBlink 1s infinite;
}
.buddy-typing span:nth-child(2) { animation-delay:.2s; }
.buddy-typing span:nth-child(3) { animation-delay:.4s; }
@keyframes buddyBlink { 0%,100%{opacity:.3;transform:translateY(0)} 50%{opacity:1;transform:translateY(-3px)} }

/* Celebration */
.buddy-celebrate {
  width:100%; text-align:center; background:var(--grad-fun); color:#fff;
  border-radius:20px; padding:16px; font-size:1.6rem; font-weight:900;
  box-shadow:var(--shadow-sm);
}

/* Footer / input */
.buddy-foot { display:flex; gap:10px; padding:12px 14px; background:#fff; border-top:3px solid #f0ecff; }
.buddy-input {
  flex:1 1 auto; min-width:0; border:3px solid #ece6ff; border-radius:999px;
  padding:14px 18px; font-family:var(--font); font-size:1.15rem; font-weight:700;
  color:var(--c-ink); background:#faf8ff;
}
.buddy-input:focus { outline:none; border-color:var(--c-grape); background:#fff; }
.buddy-input:disabled { opacity:.6; }
.buddy-send { flex:0 0 auto; width:60px; padding:0; font-size:1.4rem; border-radius:999px; }
.buddy-send:disabled { opacity:.45; cursor:default; transform:none; }
.buddy-done { width:100%; }

@media (max-width:560px) {
  .buddy-card { height:100vh; width:100%; border-radius:0; }
  .buddy-overlay { padding:0; }
  .buddy-bubble { font-size:1.05rem; }
}

/* ============================================================
   Kid home: My Badges + My Leagues
   ============================================================ */
.home-badges, .home-leagues { margin-top:18px; }
.badge-strip { display:flex; flex-wrap:wrap; gap:10px; }
.badge-chip {
  display:inline-flex; align-items:center; gap:8px; background:#fff;
  border:3px solid #ffe7a8; border-radius:999px; padding:8px 16px;
  font-weight:800; box-shadow:var(--shadow-sm);
}
.badge-chip .bc-emoji { font-size:1.5rem; line-height:1; }
.badge-chip .bc-exp { color:#9a8f6a; font-size:.85rem; font-weight:700; }

.league-list { display:flex; flex-direction:column; gap:10px; }
.league-item {
  display:flex; align-items:center; gap:12px; background:#fff;
  border:3px solid #ece6ff; border-radius:18px; padding:12px 16px;
  cursor:pointer; text-align:left; font-family:var(--font); width:100%;
}
.league-item:hover { border-color:var(--c-grape); }
.league-item .li-emoji { font-size:1.6rem; line-height:1; }
.league-item .li-name { font-weight:900; font-size:1.15rem; color:var(--c-ink); }
.league-item .li-status { font-size:.9rem; font-weight:700; color:var(--c-grape); }
.league-item .li-status.done { color:var(--c-mint); }

/* Read-only bracket (kid league view) */
.bracket { display:flex; gap:18px; overflow-x:auto; padding:8px 2px; }
.bracket-round { display:flex; flex-direction:column; gap:12px; min-width:180px; justify-content:space-around; }
.bracket-round h4 { margin:0 0 4px; color:var(--c-grape); font-size:1rem; text-align:center; }
.bracket-match { background:#faf8ff; border:3px solid #ece6ff; border-radius:14px; padding:8px 10px; }
.bracket-player { display:flex; justify-content:space-between; gap:8px; font-weight:800; padding:3px 4px; border-radius:8px; }
.bracket-player.win { background:#eafaf3; color:var(--c-ink); }
.bracket-player .bp-score { font-variant-numeric:tabular-nums; opacity:.8; }

/* Learn-with-buddy launcher tile */
.buddy-launch {
  margin-top:18px; background:var(--grad-fun); color:#fff; border-radius:22px;
  padding:18px; display:flex; align-items:center; gap:14px; box-shadow:var(--shadow-sm);
}
.buddy-launch .bl-icon { font-size:2.6rem; line-height:1; }
.buddy-launch .bl-text { flex:1 1 auto; }
.buddy-launch .bl-title { font-size:1.3rem; font-weight:900; }
.buddy-launch .bl-sub { font-size:.95rem; opacity:.92; font-weight:700; }
.topic-pick { display:flex; flex-wrap:wrap; gap:8px; margin-top:8px; }
.topic-chip {
  border:3px solid #ece6ff; background:#fff; border-radius:999px; padding:6px 14px;
  font-family:var(--font); font-weight:800; font-size:1rem; color:var(--c-ink); cursor:pointer;
}
.topic-chip:hover { border-color:var(--c-grape); }

.kr-card.kr-read{opacity:.7}
.kr-history-wrap{margin-top:6px}

/* ---- Header notification bell (shared: parent + kid) ---- */
.lp-bell { position: relative; display: inline-block; }
.lp-bell-btn {
  font-size: 1.5rem; line-height: 1; background: #fff; border: 3px solid var(--c-grape);
  border-radius: 999px; width: 46px; height: 46px; cursor: pointer; position: relative;
  display: inline-flex; align-items: center; justify-content: center; transition: filter .1s;
}
.lp-bell-btn:hover { filter: brightness(1.03); }
.lp-bell-count {
  position: absolute; top: -4px; right: -4px; min-width: 20px; height: 20px; padding: 0 5px;
  background: var(--c-coral); color: #fff; border-radius: 999px; font-size: .72rem; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 0 0 2px #fff;
}
.lp-bell-pop {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 200; width: min(360px, 90vw);
  background: #fff; border: 3px solid var(--c-grape); border-radius: 18px; box-shadow: var(--shadow);
  max-height: 70vh; overflow: hidden; display: flex; flex-direction: column;
}
[dir="rtl"] .lp-bell-pop { right: auto; left: 0; }
.lp-bell-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-bottom: 2px solid var(--c-paper); }
.lp-bell-head b { color: var(--c-grape); }
.lp-bell-list { overflow-y: auto; padding: 6px; }
.lp-bell-empty { color: #9a90c2; font-weight: 700; text-align: center; padding: 18px; }
.lp-bell-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; }
.lp-bell-item:hover { background: var(--c-paper); }
.lp-bell-item.read { opacity: .6; }
.lp-bell-item .lp-bell-msg { flex: 1; font-weight: 700; font-size: .98rem; }
.lp-bell-item .lp-bell-meta { color: #9a90c2; font-weight: 700; font-size: .8rem; white-space: nowrap; }
.lp-bell-item .lp-bell-x {
  flex: none; width: 30px; height: 30px; border: none; border-radius: 50%; cursor: pointer;
  background: var(--c-mint); color: #fff; font-weight: 800; font-size: 1rem;
}
.lp-bell-histbtn {
  display: block; width: 100%; margin: 6px 0 2px; padding: 9px 12px; border: none;
  background: #e9e3ff; color: var(--c-grape); font-family: var(--font); font-weight: 800;
  border-radius: 12px; cursor: pointer; font-size: .9rem; text-align: center;
}
.lp-bell-histbtn:hover { filter: brightness(.98); }

/* ---- Champion-league bracket TREE (shared: teacher + parent + kid) ----
   A NESTED tree, top→bottom: Champion → Final → … → first matches. Each match is
   a .bt-node whose card sits ABOVE a .bt-children row holding its two child nodes,
   so every parent is centred over its children and the connectors always meet.
   Classic CSS-bracket connectors: each child draws a vertical line up to a shared
   horizontal bar, and the parent drops a vertical line down to that bar. When a
   match is decided the winner's line is GREEN (✓), the loser's RED with an ✕. */
.bt-tree { --bt-gap: 22px; --bt-line: #d8cffb; display: flex; flex-direction: column; align-items: center; padding: 4px 8px; overflow-x: auto; }

/* a node = its own card on top, then a row with its two children below */
.bt-node { display: flex; flex-direction: column; align-items: center; }
.bt-node-top { display: flex; flex-direction: column; align-items: center; position: relative; }
.bt-children { display: flex; justify-content: center; align-items: flex-start; gap: 16px; }

/* round caption above each card */
.bt-round-label {
  font-weight: 900; color: var(--c-grape); font-size: .76rem; line-height: 1; white-space: nowrap;
  background: #f0ebff; border-radius: 999px; padding: 3px 11px; margin-bottom: 5px;
}

/* CONNECTORS — drawn in the --bt-gap between a parent card and its children row.
   Geometry of the gap (top→bottom), height = --bt-gap:
     • top  half  (0 → gap/2):  parent's DOWN-stem from its card to the bar
     • mid line   (at gap/2):   horizontal bar joining the two children
     • bottom half(gap/2 → gap): each child's UP-stub from the bar down to its card */
.bt-children > .bt-node { position: relative; padding-top: var(--bt-gap); }
/* vertical stub from the bar DOWN to each child card (lower half of the gap) */
.bt-children > .bt-node::before {
  content: ""; position: absolute; top: calc(var(--bt-gap) / 2); left: 50%; transform: translateX(-50%);
  width: 3px; height: calc(var(--bt-gap) / 2); background: var(--bt-line);
}
/* half horizontal bar at mid-gap: left child draws the right half, right child the left half */
.bt-children > .bt-node::after {
  content: ""; position: absolute; top: calc(var(--bt-gap) / 2); height: 3px; background: var(--bt-line);
}
.bt-children > .bt-node:first-child::after  { left: 50%; right: -8px; }   /* reach toward sibling (half the 16px gap) */
.bt-children > .bt-node:last-child::after   { right: 50%; left: -8px; }
/* the parent's DOWN-stem: from the bottom of the parent card to the bar (top half).
   Only nodes that HAVE children draw it (leaves don't). */
.bt-node.has-children > .bt-node-top::after {
  content: ""; position: absolute; bottom: calc(-1 * var(--bt-gap) / 2); left: 50%; transform: translateX(-50%);
  width: 3px; height: calc(var(--bt-gap) / 2); background: var(--bt-line);
}

.bt-match { display: flex; flex-direction: column; align-items: center; }
.bt-pair { display: flex; align-items: stretch; gap: 12px; }

.bt-box {
  position: relative; background: #fff; border: 2px solid #ece6ff; border-radius: 12px;
  padding: 7px 14px; min-width: 84px; display: flex; align-items: center; gap: 8px;
  box-shadow: 0 1px 5px rgba(80,50,160,.07); font-weight: 800; color: var(--c-ink);
}
/* .bt-line is unused in the nested layout (connectors live between nodes) */
.bt-box .bt-line { display: none; }
/* A decided child match → its connector up to the parent turns GREEN (its winner
   advanced). The losing CARD shows the ✕; this colours the path that moved on. */
.bt-children > .bt-node.advanced::before,
.bt-children > .bt-node.advanced::after { background: #159d6f; }
.bt-box.win  { border-color: #9fe3c6; background: #f1fbf6; }
.bt-box.lose { border-color: #f3c6bf; background: #fdf3f1; opacity: .85; }
.bt-box.lose .bt-name { text-decoration: line-through; color: #9a90c2; }
.bt-name { white-space: nowrap; }
.bt-score { font-weight: 800; color: #9a90c2; min-width: 1.2em; text-align: center; }
.bt-mark { font-weight: 900; font-size: .95rem; }
.bt-mark.win  { color: #159d6f; }
.bt-mark.lose { color: #e0584a; }

/* preview: only EMPTY/'?' slots are dashed; filled + botfill look solid */
.bt-match.preview .bt-box { background: #fcfbff; width: 120px; box-sizing: border-box; justify-content: center; }
.bt-match.preview .bt-box.empty,
.bt-match.preview .bt-box:not(.bt-slot) { border-style: dashed; }
.bt-match.preview .bt-box.filled { border-style: solid; border-color: #d8cffb; background: #fff; }

.bt-badge { display: inline-block; margin-top: 6px; font-weight: 800; font-size: .76rem; border-radius: 999px; padding: 2px 10px; }
.bt-badge.done { background: #d6f7ea; color: #159d6f; }
.bt-badge.pending { background: #fff1cc; color: #b8860b; }
.bt-badge.live { background: #ffe0e0; color: #c0392b; animation: pulse 1.4s ease-in-out infinite; }
.bt-match.live .bt-box { border-color: #ff6b6b; }
.bt-report { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-top: 8px; justify-content: center; }
.bt-report .tt { width: 58px; }
.bt-dash { color: #9a90c2; font-weight: 800; }

/* champion crown box on top, linked down into the Final card by a full stem */
.bt-champion {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 1px;
  background: #fff7df; border: 3px solid #f3d98a; border-radius: 16px; padding: 10px 22px;
  margin-bottom: var(--bt-gap);
}
.bt-champion::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: calc(-1 * var(--bt-gap)); width: 3px; height: var(--bt-gap); background: var(--bt-line);
}
.bt-champion.crowned { box-shadow: 0 0 0 4px #fff, 0 0 0 6px #f3d98a; }
.bt-champion.crowned::after { background: #159d6f; }
.bt-champ-av { font-size: 1.8rem; line-height: 1; }
.bt-champ-name { font-weight: 900; font-size: 1.15rem; color: var(--c-ink); }
.bt-champ-cap { font-weight: 800; font-size: .72rem; color: #b8860b; text-transform: uppercase; letter-spacing: .04em; }

/* ---- Drag-and-drop seeding (teacher, league still open) ---- */
.lg-pool { min-height: 40px; border: 2px dashed #d8cffb; border-radius: 14px; padding: 8px; background: #fbfaff; }
.lg-pool.drop-hover { border-color: var(--c-grape); background: #f0ebff; }
.lg-pool-row { display: flex; flex-wrap: wrap; gap: 8px; }
.lg-kid {
  display: inline-flex; align-items: center; gap: 6px; font-weight: 800; color: var(--c-ink);
  background: #fff; border: 2px solid #ece6ff; border-radius: 999px; padding: 7px 14px; cursor: grab;
  box-shadow: 0 2px 6px rgba(80,50,160,.08); user-select: none;
}
.lg-kid:active { cursor: grabbing; }
.lg-kid.dragging, .bt-box.dragging { opacity: .45; }
/* leaf slots as drop targets — ALL the same fixed width so the tree is even */
.bt-slot { cursor: default; width: 120px; box-sizing: border-box; justify-content: center; overflow: hidden; }
.bt-slot .bt-name { overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.bt-slot.filled { cursor: grab; }
.bt-slot.filled:active { cursor: grabbing; }
.bt-slot.empty { color: #b9aee0; font-weight: 700; }
.bt-slot.botfill { color: #9a90c2; font-weight: 700; border-style: solid; border-color: #e0d8f5; background: #f7f4ff; }
.bt-slot.drop-hover { border-color: var(--c-grape) !important; background: #f0ebff; box-shadow: 0 0 0 3px #e6def9; }

/* AI matchmaking summary popup — list of first-round pairs + why */
.ai-pairs { max-height: 50vh; overflow-y: auto; margin: 10px 0 4px; display: flex; flex-direction: column; gap: 8px; }
.ai-pair { background: var(--c-paper); border: 2px solid #ece6ff; border-radius: 12px; padding: 9px 12px; }
.ai-pair-title { font-weight: 900; color: var(--c-grape); }
.ai-pair-reason { font-weight: 600; font-size: .92rem; color: var(--c-ink); margin-top: 2px; }

/* ---- Teacher AI assistant widget ---- */
.ta-fab {
  position: fixed; bottom: 22px; inset-inline-end: 22px; z-index: 300;
  width: 60px; height: 60px; border-radius: 50%; border: none; cursor: pointer;
  font-size: 1.8rem; background: var(--c-grape); color: #fff; box-shadow: var(--shadow);
}
.ta-fab:hover { filter: brightness(1.05); }
.ta-panel {
  position: fixed; bottom: 92px; inset-inline-end: 22px; z-index: 300;
  width: min(380px, 92vw); height: min(560px, 76vh); background: #fff;
  border: 3px solid var(--c-grape); border-radius: 20px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
}
.ta-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 2px solid var(--c-paper); }
.ta-head b { color: var(--c-grape); flex: 1; }
.ta-head { gap: 8px; }
.ta-new { background: #f0ebff; color: var(--c-grape); border: none; border-radius: 999px; font-family: var(--font); font-weight: 800; font-size: .8rem; padding: 5px 11px; cursor: pointer; white-space: nowrap; }
.ta-new:hover { filter: brightness(.97); }
.ta-close { background: none; border: none; font-size: 1.1rem; cursor: pointer; color: #9a90c2; }
.ta-body { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.ta-msg { max-width: 88%; padding: 9px 12px; border-radius: 14px; font-weight: 600; font-size: .96rem; line-height: 1.35; white-space: pre-wrap; }
.ta-bot { background: var(--c-paper); color: var(--c-ink); align-self: flex-start; }
.ta-user { background: var(--c-grape); color: #fff; align-self: flex-end; }
.ta-acts { margin: 8px 0 4px; padding-inline-start: 4px; list-style: none; }
.ta-act { padding: 2px 0; font-weight: 700; }
.ta-act.danger { color: #c0392b; }
.ta-res { padding: 2px 0; font-weight: 700; }
.ta-res.fail { color: #c0392b; }
.ta-plan-btns { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.ta-opts { display: flex; flex-wrap: wrap; gap: 6px; align-self: flex-start; max-width: 92%; }
.ta-opt {
  background: #fff; border: 2px solid var(--c-grape); color: var(--c-grape); font-family: var(--font);
  font-weight: 800; font-size: .9rem; border-radius: 999px; padding: 6px 12px; cursor: pointer;
}
.ta-opt:hover { background: #f0ebff; }
.ta-opt.on { background: var(--c-grape); color: #fff; }
.ta-avatars { display: flex; flex-wrap: wrap; gap: 6px; align-self: flex-start; max-width: 92%; }
.ta-av { font-size: 1.5rem; line-height: 1; background: #fff; border: 2px solid #ece6ff; border-radius: 12px; padding: 6px 8px; cursor: pointer; }
.ta-av:hover { background: #f0ebff; }
.ta-av.on { border-color: var(--c-grape); background: #f0ebff; transform: scale(1.05); }
.ta-input { display: flex; gap: 8px; padding: 10px; border-top: 2px solid var(--c-paper); }
.ta-text { flex: 1; font-family: var(--font); font-weight: 600; border: 2px solid #ece6ff; border-radius: 12px; padding: 9px 12px; font-size: .96rem; }
.ta-dots { letter-spacing: 2px; opacity: .6; }
.ta-qprev { margin: 4px 0 6px; }
.ta-q { background: #fff; border: 1px solid #ece6ff; border-radius: 10px; padding: 8px 10px; margin: 6px 0; }
.ta-q-prompt { font-weight: 800; margin-bottom: 4px; }
.ta-q-opt { font-weight: 600; font-size: .9rem; color: #6a6390; padding: 1px 0; }
.ta-q-opt.correct { color: #159d6f; font-weight: 800; }
[dir="rtl"] .ta-fab, [dir="rtl"] .ta-panel { inset-inline-end: 22px; }

/* ---- Parent: AI Kid Alerts cards ---- */
.aia-card { background: #fdf3f1; border: 2px solid #f3c6bf; border-radius: 14px; padding: 14px 16px; margin: 10px 0; }
.aia-card.read { background: var(--c-paper); border-color: #ece6ff; opacity: .85; }
.aia-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.aia-head b { font-size: 1.05rem; }
.aia-when { color: #9a90c2; font-weight: 700; font-size: .85rem; margin-inline-start: auto; }
.aia-trigger { margin: 8px 0; font-weight: 700; color: var(--c-ink); }
.aia-reason { color: #c0392b; font-weight: 800; }
.aia-chat { margin: 6px 0; }
.aia-chat summary { cursor: pointer; font-weight: 800; color: var(--c-grape); }
.aia-msg { padding: 5px 0; border-top: 1px dashed #ece6ff; font-weight: 600; }
.aia-foot { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.aia-hint { color: #9a90c2; font-weight: 700; font-size: .88rem; }