/* ==========================================================================
   SpeechAssist — accessibility-first styles
   Design rules: every target ≥ 64px, no hover-only behaviour, no drag,
   no double-tap, high contrast, generous spacing for eye-gaze / head pointer.
   ========================================================================== */

:root {
  --bg: #0b1220;
  --bg-2: #111a2e;
  --card: #172238;
  --card-2: #1e2c47;
  --text: #f4f7fb;
  --text-dim: #9fb0c8;
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --focus: #fbbf24;
  --radius: 18px;
  --gap: 14px;
  --fs: 20px;
  --fs-big: 30px;
  --fs-huge: 44px;
  --target: 72px;
}
body[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-2: #e9eef7;
  --card: #ffffff;
  --card-2: #f0f4fa;
  --text: #0b1220;
  --text-dim: #4b5a72;
  --accent: #1d4ed8;
  --accent-2: #2563eb;
  --focus: #b45309;
}
body[data-size="normal"] { --fs: 17px; --fs-big: 24px; --fs-huge: 36px; --target: 64px; }
body[data-size="xl"]     { --fs: 24px; --fs-big: 36px; --fs-huge: 56px; --target: 88px; --gap: 18px; }

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  font-size: var(--fs);
  line-height: 1.35;
  display: flex;
  flex-direction: column;
  overscroll-behavior: none;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
button, select, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 2px;
}
[hidden] { display: none !important; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: stretch;
  gap: var(--gap);
  padding: 8px var(--gap);
  background: var(--bg-2);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-top: max(8px, env(safe-area-inset-top));
}
.tabs { display: flex; gap: 8px; flex: 1; }
.tab {
  flex: 1;
  min-height: var(--target);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-weight: 600;
}
.tab .tab-icon { font-size: 1.3em; }
.tab .tab-label { font-size: 0.85em; }
.tab.active { background: var(--accent); color: #fff; }
.topbar-right { display: flex; gap: 8px; }
.icon-btn {
  min-width: var(--target);
  min-height: var(--target);
  border-radius: var(--radius);
  background: var(--card);
  font-size: 1.4em;
}

/* ---------- Status strip ---------- */
.status {
  min-height: 34px;
  padding: 6px var(--gap);
  font-size: 0.85em;
  color: var(--text-dim);
  background: var(--bg);
}
.status.error { color: #fecaca; background: rgba(239,68,68,0.15); }
.status.busy::before { content: "● "; color: var(--accent-2); animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0.2; } }

/* ---------- Views ---------- */
main { flex: 1; overflow: hidden; display: flex; }
.view { display: none; flex: 1; padding: var(--gap); overflow: auto; }
.view.active { display: flex; flex-direction: column; }

/* ---------- Talk ---------- */
.talk-layout { display: flex; flex-direction: column; gap: var(--gap); flex: 1; }
.talk-top { display: flex; gap: var(--gap); align-items: stretch; }
.mic-btn {
  flex: 1;
  min-height: 150px;
  border-radius: 28px;
  background: var(--card);
  border: 3px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  position: relative;
  transition: background 0.2s;
}
.mic-btn .mic-icon { font-size: 3em; }
.mic-btn .mic-label { font-size: var(--fs-big); font-weight: 700; }
.mic-btn.listening { background: #7f1d1d; border-color: var(--danger); }
.mic-btn.listening .mic-ring {
  position: absolute; inset: -6px; border-radius: 34px;
  border: 4px solid var(--danger); animation: pulse 1.2s infinite;
}
.mic-btn.armed { background: #14532d; border-color: var(--ok); }
.mic-btn.processing { background: #1e3a8a; border-color: var(--accent-2); }
@keyframes pulse { 0% { opacity: 1; transform: scale(1);} 100% { opacity: 0; transform: scale(1.06);} }

.talk-side { display: flex; flex-direction: column; gap: 10px; width: 240px; }
.level-wrap { flex: 1; min-height: 20px; background: var(--card); border-radius: 12px; overflow: hidden; position: relative; }
.level { position: absolute; left: 0; bottom: 0; top: 0; width: 0%; background: linear-gradient(90deg, var(--ok), var(--warn)); transition: width 0.08s; }

.heard-box { background: var(--card); border-radius: var(--radius); padding: 12px var(--gap); }
.heard-label { font-size: 0.8em; color: var(--text-dim); }
.heard-text { font-size: 1.1em; min-height: 1.4em; color: var(--text-dim); font-style: italic; }

.candidates { display: flex; flex-direction: column; gap: var(--gap); flex: 1; }
.candidates-hint { color: var(--text-dim); padding: var(--gap); text-align: center; }
.cand {
  min-height: calc(var(--target) * 1.35);
  border-radius: var(--radius);
  background: var(--card-2);
  padding: 14px 20px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--fs-big);
  font-weight: 600;
  border: 3px solid transparent;
  position: relative;
  overflow: hidden;
}
.cand.best { border-color: var(--accent); background: #1e3a8a; }
.cand .cand-num {
  flex: none; width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.12); display: grid; place-items: center; font-size: 0.7em;
}
.cand .countdown {
  position: absolute; left: 0; bottom: 0; height: 6px; background: var(--accent-2);
  width: 0%; transition: width linear;
}

.talk-actions, .board-actions, .type-actions { display: flex; gap: var(--gap); flex-wrap: wrap; }
.action-btn {
  flex: 1;
  min-height: var(--target);
  border-radius: var(--radius);
  background: var(--card);
  padding: 8px 16px;
  font-weight: 600;
  min-width: 160px;
}

/* ---------- Toggles ---------- */
.toggle { display: flex; align-items: center; gap: 12px; min-height: var(--target); cursor: pointer; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-track {
  flex: none; width: 64px; height: 36px; border-radius: 18px; background: #475569; position: relative; transition: background 0.2s;
}
.toggle-track::after {
  content: ""; position: absolute; top: 4px; left: 4px; width: 28px; height: 28px; border-radius: 50%; background: #fff; transition: left 0.2s;
}
.toggle input:checked + .toggle-track { background: var(--ok); }
.toggle input:checked + .toggle-track::after { left: 32px; }
.toggle input:focus-visible + .toggle-track { outline: 4px solid var(--focus); }
.toggle-label small { color: var(--text-dim); font-size: 0.75em; }
.toggle.big { background: var(--card); border-radius: var(--radius); padding: 8px 14px; }

/* ---------- Board ---------- */
.board-layout { display: flex; flex-direction: column; gap: var(--gap); flex: 1; }
.cats { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; flex: none; }
.cat {
  flex: none;
  min-height: var(--target);
  min-width: 140px;
  padding: 8px 18px;
  border-radius: var(--radius);
  background: var(--card);
  font-weight: 600;
  color: var(--text-dim);
}
.cat.active { background: var(--accent); color: #fff; }
.phrases {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--gap);
  flex: 1;
  align-content: start;
}
.phrase {
  min-height: calc(var(--target) * 1.5);
  border-radius: var(--radius);
  background: var(--card-2);
  padding: 12px 16px;
  font-size: 1.15em;
  font-weight: 600;
  text-align: center;
  display: flex; align-items: center; justify-content: center;
  border: 3px solid transparent;
}
.phrase.urgent { background: #7f1d1d; }
.phrase.playing { border-color: var(--ok); }

/* ---------- Type ---------- */
.type-layout { display: flex; flex-direction: column; gap: var(--gap); flex: 1; }
.type-row { display: flex; gap: var(--gap); }
.type-input {
  flex: 1;
  min-height: 120px;
  border-radius: var(--radius);
  background: var(--card);
  border: 2px solid transparent;
  padding: 14px 18px;
  font-size: var(--fs-big);
  resize: none;
  user-select: text; -webkit-user-select: text;
}
.type-input:focus { border-color: var(--accent); outline: none; }
.speak-btn {
  width: 160px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 1.2em;
  font-weight: 700;
  line-height: 1.2;
}
.predictions { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.pred {
  min-height: calc(var(--target) * 1.2);
  border-radius: var(--radius);
  background: var(--card-2);
  padding: 10px 14px;
  font-size: 1.05em;
  font-weight: 600;
}
.quick-words { display: flex; flex-wrap: wrap; gap: 10px; }
.qw {
  min-height: var(--target);
  min-width: 100px;
  padding: 8px 18px;
  border-radius: var(--radius);
  background: var(--card);
  font-weight: 600;
}

/* ---------- Yes / No ---------- */
.yesno-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--gap);
  flex: 1;
}
.yn {
  border-radius: 28px;
  font-size: var(--fs-huge);
  font-weight: 800;
  color: #fff;
  border: 4px solid transparent;
}
.yn.yes { background: #15803d; }
.yn.no { background: #b91c1c; }
.yn.maybe { background: #b45309; }
.yn.more { background: #1d4ed8; }
.yn.playing { border-color: #fff; }

/* ---------- Train ---------- */
.train-layout { display: flex; flex-direction: column; gap: var(--gap); flex: 1; max-width: 1000px; margin: 0 auto; width: 100%; }
.train-head { display: flex; gap: var(--gap); align-items: center; justify-content: space-between; flex-wrap: wrap; }
.train-progress { font-weight: 700; font-size: 1.05em; }
.train-head select { min-height: 56px; border-radius: 12px; background: var(--card); border: 1px solid rgba(255,255,255,0.12); padding: 8px 12px; color: var(--text); }
.train-intro { margin: 0; }
.train-card { background: var(--card-2); border-radius: 24px; padding: 28px 24px; text-align: center; border: 3px solid transparent; }
.train-card.done { border-color: var(--ok); }
.train-phrase { font-size: var(--fs-huge); font-weight: 800; line-height: 1.15; }
.train-takes { margin-top: 14px; font-size: 1.6em; letter-spacing: 0.25em; color: var(--text-dim); }
.train-takes .got { color: var(--ok); }
.train-rec { min-height: 120px; }
.train-review, .train-nav { display: flex; gap: var(--gap); flex-wrap: wrap; }
.action-btn.keep { background: #15803d; color: #fff; }
.train-result { background: var(--card); border-radius: var(--radius); padding: 14px 18px; font-size: 1.05em; }
.train-result .big { font-size: var(--fs-big); font-weight: 800; display: block; margin: 4px 0 8px; }
.train-result .row { margin-top: 10px; }
.train-tools { font-size: 0.9em; }

/* ---------- Speaking banner ---------- */
.speaking-banner {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: #14532d;
  color: #fff;
  padding: 18px var(--gap);
  padding-bottom: max(18px, env(safe-area-inset-bottom));
  display: flex; align-items: center; gap: var(--gap);
  font-size: var(--fs-big);
  font-weight: 700;
  box-shadow: 0 -8px 30px rgba(0,0,0,0.4);
  z-index: 50;
}
.speaking-text { flex: 1; }
.banner-stop { min-height: var(--target); padding: 0 20px; border-radius: var(--radius); background: rgba(0,0,0,0.3); color: #fff; font-weight: 700; }

/* ---------- Drawers ---------- */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(560px, 100vw);
  background: var(--bg-2);
  z-index: 60;
  display: flex; flex-direction: column;
  box-shadow: -10px 0 40px rgba(0,0,0,0.5);
  user-select: text; -webkit-user-select: text;
}
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 12px var(--gap); border-bottom: 1px solid rgba(255,255,255,0.08); }
.drawer-head h2 { margin: 0; font-size: 1.3em; }
.drawer-body { flex: 1; overflow: auto; padding: var(--gap); display: flex; flex-direction: column; gap: 12px; font-size: 0.9em; }
.drawer-foot { padding: var(--gap); border-top: 1px solid rgba(255,255,255,0.08); }
details { background: var(--card); border-radius: 14px; padding: 6px 14px; }
summary { cursor: pointer; font-weight: 700; padding: 10px 0; min-height: 44px; display: flex; align-items: center; }
details label { display: flex; flex-direction: column; gap: 4px; margin: 10px 0; color: var(--text-dim); }
details label.toggle { flex-direction: row; align-items: center; color: var(--text); }
details input[type="text"], details input[type="password"], details input[type="number"], details select, details textarea {
  background: var(--bg); border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; padding: 10px 12px; color: var(--text); min-height: 48px;
}
details input[type="range"] { min-height: 40px; }
details textarea { min-height: 90px; resize: vertical; }
.hint { color: var(--text-dim); font-size: 0.85em; margin: 6px 0; }
.row { display: flex; gap: 10px; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.row .grow { flex: 1; }
.small-btn {
  min-height: 48px; padding: 8px 16px; border-radius: 12px; background: var(--card-2); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
}
.small-btn.danger { background: #7f1d1d; color: #fff; }
.primary-btn { width: 100%; min-height: var(--target); border-radius: var(--radius); background: var(--accent); color: #fff; font-weight: 700; font-size: 1.05em; }

/* ---------- History ---------- */
.hist-item { background: var(--card); border-radius: 12px; padding: 10px 14px; display: flex; gap: 10px; align-items: center; }
.hist-item .hist-text { flex: 1; }
.hist-item .hist-time { color: var(--text-dim); font-size: 0.8em; }
.hist-item button { min-width: 48px; min-height: 48px; border-radius: 10px; background: var(--card-2); }

/* ---------- Dialog ---------- */
.dlg { border: none; border-radius: 20px; background: var(--bg-2); color: var(--text); padding: 0; width: min(760px, 94vw); user-select: text; -webkit-user-select: text; }
.dlg::backdrop { background: rgba(0,0,0,0.6); }
.dlg-form { padding: var(--gap); display: flex; flex-direction: column; gap: 10px; }
.dlg-form h2 { margin: 0; }
.dlg-form textarea { background: var(--bg); border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; padding: 10px; color: var(--text); font-family: ui-monospace, Consolas, monospace; font-size: 0.85em; }

/* ---------- Switch scanning ---------- */
.scan-focus {
  outline: 6px solid var(--focus) !important;
  outline-offset: 3px;
  box-shadow: 0 0 0 10px rgba(251,191,36,0.25);
  z-index: 5;
}
.scan-indicator {
  position: fixed; top: 8px; left: 50%; transform: translateX(-50%);
  background: var(--focus); color: #000; font-weight: 800; padding: 4px 12px; border-radius: 8px; font-size: 0.75em; z-index: 70;
}

/* ---------- Narrow screens ---------- */
@media (max-width: 720px) {
  .talk-top { flex-direction: column; }
  .talk-side { width: auto; flex-direction: row; }
  .level-wrap { min-height: 44px; }
  .tab .tab-label { font-size: 0.7em; }
  .predictions { grid-template-columns: 1fr; }
  .type-row { flex-direction: column; }
  .speak-btn { width: auto; min-height: var(--target); }
  .yesno-layout { grid-template-columns: 1fr; grid-template-rows: repeat(4, 1fr); }
  .phrases { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}