/* Calm, low-stimulation palette. No animations, no flashing, no auto-sound. */
:root {
  --bg:        #F6F1E9;   /* warm paper */
  --card:      #FFFDF9;
  --ink:       #2E3A44;   /* soft charcoal, not pure black */
  --ink-soft:  #5E6B75;
  --line:      #E3DACB;
  --accent:    #5F8B78;   /* muted sage */
  --accent-ink:#FFFFFF;
  --accent-bg: #E4EEE8;
  --focus:     #2F5F98;
  --radius:    22px;
  --font-en: "Andika", "Segoe UI", system-ui, sans-serif;
  --font-hi: "Noto Sans Devanagari", "Mangal", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-en);
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}
*, *::before, *::after { animation: none !important; transition: none !important; }

button { font: inherit; color: inherit; cursor: pointer; }
button:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 4px solid var(--focus); outline-offset: 3px;
}
[hidden] { display: none !important; }
:lang(hi), .hi { font-family: var(--font-hi); }

.screen { min-height: 100%; }

/* ---------------- Library ---------------- */
#library { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }

.lib-head { margin-bottom: 22px; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.lib-head h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin: 0; font-weight: 700; }

.lang { display: flex; background: var(--card); border: 2px solid var(--line); border-radius: 999px; padding: 4px; }
.lang button {
  border: 0; background: transparent; padding: 10px 16px; border-radius: 999px;
  font-size: 1.05rem; min-height: 48px;
}
.lang button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 18px; }
.tabs button {
  border: 2px solid var(--line); background: var(--card);
  padding: 10px 20px; border-radius: 999px; font-size: 1.15rem; min-height: 52px;
}
.tabs button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-bg); font-weight: 700; }

.grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}
.card {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  padding: 22px 12px; min-height: 190px;
  background: var(--card); border: 2px solid var(--line); border-radius: var(--radius);
  text-align: center;
}
.card:hover { border-color: var(--accent); }
.card .cover { font-size: 72px; line-height: 1; }
.card .t { font-size: 1.25rem; font-weight: 700; line-height: 1.25; }
.card .t .hi { display: block; font-weight: 500; font-size: 1.1rem; color: var(--ink-soft); }
.card .n { font-size: .95rem; color: var(--ink-soft); }

.grown-ups {
  margin-top: 36px; background: var(--card); border: 2px solid var(--line);
  border-radius: 16px; padding: 14px 18px; font-size: 1rem;
}
.grown-ups summary { font-weight: 700; cursor: pointer; min-height: 32px; }
.grown-ups .row { display: flex; align-items: center; gap: 10px; margin: 14px 0 0; }
.grown-ups input[type=checkbox] { width: 24px; height: 24px; }
.grown-ups select { font: inherit; padding: 6px 10px; border-radius: 10px; border: 2px solid var(--line); background: #fff; }
.hint { color: var(--ink-soft); font-size: .92rem; margin: 12px 0 0; }

/* ---------------- Player ---------------- */
#player {
  height: 100dvh; display: flex; flex-direction: column;
  padding: max(10px, env(safe-area-inset-top)) 16px max(14px, env(safe-area-inset-bottom));
}
.p-head { display: flex; align-items: center; gap: 12px; }
.p-head h2 {
  flex: 1; margin: 0; text-align: center; font-size: clamp(1.05rem, 3vw, 1.4rem);
  color: var(--ink-soft); font-weight: 700;
}
.icon-btn {
  width: 64px; height: 64px; flex: none; border-radius: 50%;
  border: 2px solid var(--line); background: var(--card); font-size: 30px;
  display: grid; place-items: center;
}
.icon-btn.speaking { border-color: var(--accent); background: var(--accent-bg); }

.stage {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: clamp(12px, 3vh, 28px); padding: 12px 0;
  touch-action: pan-y; user-select: none; -webkit-user-select: none;
}
.slide-pic {
  border: 0; background: transparent; padding: 0; line-height: 1;
  font-size: min(36vh, 56vw);
  display: flex; align-items: center; justify-content: center; max-width: 100%;
}
.slide-pic.multi { font-size: min(18vh, 12.5vw); flex-wrap: wrap; }
.slide-pic img {
  max-height: 46vh; max-width: min(92vw, 720px); border-radius: var(--radius);
  object-fit: contain; background: var(--card); border: 2px solid var(--line);
}
.words { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.word {
  border: 0; background: transparent; padding: 4px 10px; border-radius: 14px;
  font-weight: 700; line-height: 1.2; letter-spacing: .01em;
  font-size: clamp(2.2rem, 8vw, 4.6rem);
}
.word.hi { font-weight: 700; }
.words.two .word { font-size: clamp(2.2rem, 7vw, 3.8rem); }
.words.two .word.hi { color: var(--ink-soft); }

.done-star { font-size: min(30vh, 46vw); line-height: 1; }
.done-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.big-btn {
  border: 2px solid var(--accent); background: var(--card);
  padding: 14px 26px; min-height: 64px; border-radius: 999px; font-size: 1.3rem; font-weight: 700;
}
.big-btn.primary { background: var(--accent); color: var(--accent-ink); }

.p-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.nav-btn {
  width: 96px; height: 80px; flex: none; border-radius: 24px;
  border: 2px solid var(--line); background: var(--card); font-size: 34px; color: var(--ink-soft);
}
.nav-btn.next { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.nav-btn:disabled { opacity: .35; cursor: default; }

.dots { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.dots li { width: 16px; height: 16px; border-radius: 50%; background: var(--line); }
.dots li.seen { background: var(--accent-bg); border: 2px solid var(--accent); }
.dots li.now  { background: var(--accent); }

@media (max-width: 480px) {
  .nav-btn { width: 76px; height: 68px; font-size: 28px; }
  .icon-btn { width: 56px; height: 56px; font-size: 26px; }
  .dots li { width: 12px; height: 12px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .card { min-height: 160px; }
  .card .cover { font-size: 60px; }
}

/* ---------------- See & Say cards ---------------- */
.stage.ss { justify-content: center; }
.ss-card {
  width: 100%; max-width: 1100px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.ss-pic {
  height: min(40vh, calc((100vw - 32px) * 0.75), 480px);
  aspect-ratio: 4 / 3; max-width: 100%;
  padding: 0; overflow: hidden; flex: none;
  border: 3px solid var(--line); border-radius: var(--radius); background: var(--card);
  display: grid; place-items: center;
}
.ss-pic.tall { aspect-ratio: 3 / 4; height: min(44vh, calc((100vw - 32px) * 1.33), 560px); }
.ss-pic img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ss-fallback { font-size: min(11vh, 15vw); line-height: 1.15; text-align: center; padding: 8px; white-space: pre-line; }

.ss-body { display: flex; flex-direction: column; align-items: center; gap: 12px; width: min(100%, 640px); }
.ss-sentence { text-align: center; font-weight: 700; line-height: 1.3; font-size: clamp(1.35rem, 4.2vw, 2.1rem); cursor: pointer; }
.ss-sentence span, .ss-qtext span, .ss-answer-text span { display: block; }
.ss-sentence .hi { color: var(--ink-soft); font-size: .92em; margin-top: 2px; }
.ss-sentence.small { font-size: clamp(1.05rem, 3vw, 1.35rem); color: var(--ink-soft); }

.ss-pips { display: flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: .95rem; }
.ss-pips-label { margin-right: 4px; }
.pip { width: 14px; height: 14px; border-radius: 50%; background: var(--line); }
.pip.seen { background: var(--accent-bg); border: 2px solid var(--accent); }
.pip.now { background: var(--accent); }

.ss-q {
  position: relative; width: 100%;
  background: var(--card); border: 2px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 18px 64px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 12px;
}
.ss-num {
  position: absolute; left: 14px; top: 16px;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-weight: 700; font-size: 1.2rem;
}
.ss-qtext { font-weight: 700; line-height: 1.3; font-size: clamp(1.4rem, 4.4vw, 2.1rem); cursor: pointer; }
.ss-qtext .hi { color: var(--ink-soft); font-size: .9em; }
.ss-answer {
  border: 2px dashed var(--accent); background: transparent; color: var(--ink);
  border-radius: 999px; padding: 10px 20px; min-height: 52px; font-size: 1.15rem; font-weight: 700;
}
.ss-answer-text {
  background: var(--accent-bg); border-radius: 16px; padding: 10px 18px;
  font-weight: 700; font-size: clamp(1.25rem, 3.8vw, 1.8rem); color: #2F5D4B;
}

/* tablet / laptop in landscape: picture left, words right */
@media (min-width: 820px) and (orientation: landscape) {
  .ss-card { flex-direction: row; justify-content: center; gap: 32px; }
  .ss-pic { height: min(62vh, 520px, calc(55vw * 0.75)); }
  .ss-pic.tall { height: min(66vh, 560px); }
  .ss-body { width: auto; flex: 1; max-width: 460px; align-items: flex-start; }
  .ss-sentence { text-align: left; }
}

/* See & Say: all questions on one card */
.stage.ss { overflow-y: auto; justify-content: flex-start; }
.stage.ss > .ss-card { margin: auto 0; }
.ss-qhead { font-weight: 700; color: var(--accent); font-size: 1.05rem; letter-spacing: .02em; }
.ss-qlist { list-style: none; margin: 0; padding: 0; width: 100%; display: flex; flex-direction: column; gap: 8px; }
.ss-qrow {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 2px solid var(--line); border-radius: 16px; padding: 10px 12px;
}
.ss-qrow .ss-num { position: static; flex: none; width: 32px; height: 32px; font-size: 1rem; }
.ss-qmain { flex: 1; min-width: 0; display: flex; flex-wrap: nowrap; align-items: center; gap: 10px; }
.ss-qmain .ss-qtext { flex: 1; min-width: 0; }
.ss-qmain .ss-answer, .ss-qmain .ss-answer-text { flex: none; max-width: 48%; text-align: center; }
.ss-qrow .ss-qtext { font-size: clamp(1.05rem, 3vw, 1.35rem); }
.ss-qrow .ss-answer { min-height: 44px; padding: 6px 14px; font-size: 1rem; }
.ss-qrow .ss-answer-text { font-size: clamp(1rem, 2.8vw, 1.25rem); padding: 6px 14px; }
.ss-pic.tall { height: min(40vh, calc((100vw - 32px) * 1.33), 560px); }
.ss-pic:not(.tall) { height: min(32vh, calc((100vw - 32px) * 0.75), 480px); }
@media (min-width: 820px) and (orientation: landscape) {
  .ss-pic.tall { height: min(68vh, 560px); }
  .ss-pic:not(.tall) { height: min(56vh, 460px, calc(50vw * 0.75)); }
  .ss-body { max-width: 480px; }
}

/* CoComelon cards: bigger picture, smaller question text */
.ss-pic.tall      { height: min(54vh, calc((100vw - 32px) * 1.33), 900px); }
.ss-pic:not(.tall){ height: min(42vh, calc((100vw - 32px) * 0.75), 700px); }
.ss-sentence { font-size: clamp(1.1rem, 3.2vw, 1.45rem); }
.ss-qhead { font-size: .9rem; }
.ss-qlist { gap: 6px; }
.ss-qrow { padding: 7px 10px; gap: 10px; border-radius: 14px; }
.ss-qrow .ss-num { width: 26px; height: 26px; font-size: .85rem; }
.ss-qrow .ss-qtext { font-size: clamp(.95rem, 2.6vw, 1.1rem); line-height: 1.25; }
.ss-qrow .ss-answer { min-height: 40px; padding: 4px 12px; font-size: .9rem; }
.ss-qrow .ss-answer-text { font-size: clamp(.9rem, 2.4vw, 1.05rem); padding: 5px 12px; }
@media (min-width: 820px) and (orientation: landscape) {
  .ss-card { gap: 24px; }
  .ss-pic.tall      { height: min(calc(100dvh - 210px), 900px); }
  .ss-pic:not(.tall){ height: min(calc(100dvh - 210px), calc(56vw * 0.75), 760px); }
  .ss-body { max-width: 400px; }
}

/* picture thumbnails on home-page cards */
.card .cover img { width: 84px; height: 84px; object-fit: contain; display: block; }
@media (max-width: 480px) { .card .cover img { width: 70px; height: 70px; } }