/* ==========================================================================
   Tongue Tied - mobile first, dark, aqua. Shares the Board Games App family
   language with its own accent so it reads as a sibling, not a clone.
   ========================================================================== */

:root {
  --radius: 18px;
  --radius-sm: 12px;
  --tap: 56px;
  --gap: 14px;
  --maxw: 620px;

  --ink: #eafcff;
  --ink-dim: #9fc4cd;
  --ink-faint: #6b929c;

  --bg-0: #04141a;
  --bg-1: #072028;
  --card: rgba(14, 46, 56, 0.72);
  --card-solid: #0d2b34;
  --line: rgba(90, 200, 214, 0.22);
  --line-strong: rgba(90, 200, 214, 0.42);

  --accent: #35dbe6;
  --accent-2: #9ff0f6;
  --action: #0fb5c4;
  --action-ink: #02181c;
  --glow: rgba(53, 219, 230, 0.5);

  --good: #46e0a8;
  --warn: #ffc061;
  --foul: #ff5f74;

  --sky-top: #062028;
  --sky-bot: #020a0d;
}

* { box-sizing: border-box; }

html {
  margin: 0; padding: 0;
  background: var(--bg-0);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}
body { margin: 0; padding: 0; background: transparent; min-height: 100vh; min-height: 100dvh; overflow-x: hidden; }

/* ---------- backdrop: aurora glow and slow sound rings ---------- */
.backdrop {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% -20%, color-mix(in srgb, var(--glow) 34%, transparent), transparent 62%),
    linear-gradient(180deg, var(--sky-top), var(--sky-bot));
}
.backdrop .aurora {
  position: absolute; inset: -30% -20% auto; height: 70%;
  background:
    radial-gradient(60% 60% at 22% 40%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%),
    radial-gradient(50% 55% at 76% 30%, color-mix(in srgb, var(--good) 18%, transparent), transparent 70%);
  filter: blur(28px);
  animation: drift 14s ease-in-out infinite alternate;
}
/* Concentric rings, like sound leaving a speaker. */
.backdrop .rings {
  position: absolute; left: 50%; bottom: -46vw; width: 132vw; height: 132vw;
  transform: translateX(-50%); border-radius: 50%;
  background:
    repeating-radial-gradient(circle at 50% 50%,
      transparent 0 34px,
      color-mix(in srgb, var(--accent) 12%, transparent) 34px 35.5px);
  opacity: 0.5;
  animation: pulse 7s ease-in-out infinite alternate;
}
.backdrop .haze {
  position: absolute; inset: 0;
  background: radial-gradient(90% 55% at 50% 118%, color-mix(in srgb, var(--glow) 24%, transparent), transparent 70%);
}
@keyframes drift { from { transform: translate3d(-3%, 0, 0) scale(1); } to { transform: translate3d(4%, 3%, 0) scale(1.08); } }
@keyframes pulse { from { transform: translateX(-50%) scale(0.94); opacity: 0.34; } to { transform: translateX(-50%) scale(1.02); opacity: 0.55; } }

/* ---------- a11y helpers ---------- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 10;
  background: var(--action); color: var(--action-ink); padding: 10px 14px; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Focus is moved here programmatically on every screen change, so it must not
   draw a ring. Real keyboard focus still gets one via :focus-visible above. */
[data-screen-heading]:focus { outline: none; }
[data-screen-heading]:focus:not(:focus-visible) { outline: none; }

/* ---------- header ---------- */
.app-header {
  display: flex; align-items: center; gap: 10px;
  padding: max(12px, env(safe-area-inset-top)) 16px 10px;
  max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 8px; margin: 0 auto; }
.brand-mark { width: 24px; height: 24px; color: var(--accent-2); filter: drop-shadow(0 0 7px var(--glow)); }
.app-title {
  font-size: 20px; letter-spacing: 0.2em; text-transform: uppercase; margin: 0; font-weight: 800;
  background: linear-gradient(100deg, var(--accent-2), var(--accent) 55%, var(--good));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.round-badge {
  font-size: 12px; color: var(--ink-dim); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 10px; white-space: nowrap; backdrop-filter: blur(6px);
}

/* ---------- layout ---------- */
.app { max-width: var(--maxw); margin: 0 auto; padding: 8px 16px calc(30px + env(safe-area-inset-bottom)); }
.screen { animation: rise 0.32s cubic-bezier(0.2, 0.7, 0.2, 1); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.lede { color: var(--ink-dim); margin: 0 0 18px; line-height: 1.55; }
.section-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-faint); margin: 22px 0 10px; }
.big-title { font-size: 30px; font-weight: 800; margin: 6px 0 4px; letter-spacing: -0.01em; }
.centered { text-align: center; }

/* ---------- cards ---------- */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: var(--gap); backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ---------- buttons ---------- */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; min-height: var(--tap); border: none; border-radius: var(--radius);
  background: linear-gradient(180deg, color-mix(in srgb, var(--action) 88%, #fff 12%), var(--action));
  color: var(--action-ink); font-size: 18px; font-weight: 700; cursor: pointer; padding: 12px 18px;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--action) 42%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.08s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(2px); box-shadow: 0 3px 12px color-mix(in srgb, var(--action) 40%, transparent); }
.btn:disabled { opacity: 0.38; cursor: not-allowed; box-shadow: none; filter: none; }
.btn.secondary {
  background: var(--card); color: var(--ink); border: 1px solid var(--line-strong); box-shadow: none; backdrop-filter: blur(8px);
}
.btn.good { background: linear-gradient(180deg, color-mix(in srgb, var(--good) 86%, #fff 14%), var(--good)); color: #04271b; box-shadow: 0 8px 22px color-mix(in srgb, var(--good) 40%, transparent); }
.btn.warn { background: linear-gradient(180deg, color-mix(in srgb, var(--warn) 86%, #fff 14%), var(--warn)); color: #2d1e05; box-shadow: 0 8px 22px color-mix(in srgb, var(--warn) 34%, transparent); }
.btn.foul { background: linear-gradient(180deg, color-mix(in srgb, var(--foul) 86%, #fff 14%), var(--foul)); color: #2c060c; box-shadow: 0 8px 22px color-mix(in srgb, var(--foul) 36%, transparent); }
.ghost-btn { background: transparent; border: 1px solid var(--line); color: var(--ink-dim); border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.ghost-btn:hover { color: var(--ink); border-color: var(--line-strong); }

/* ---------- segmented control ---------- */
.segment { display: flex; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 5px; gap: 5px; backdrop-filter: blur(8px); }
.segment button { flex: 1; min-height: 50px; border: none; border-radius: 13px; background: transparent; color: var(--ink-dim); font-size: 16px; font-weight: 700; cursor: pointer; transition: background 0.15s, color 0.15s; }
.segment button[aria-pressed="true"] { background: linear-gradient(180deg, color-mix(in srgb, var(--action) 90%, #fff 10%), var(--action)); color: var(--action-ink); box-shadow: 0 6px 16px color-mix(in srgb, var(--action) 40%, transparent); }

/* ---------- stepper and toggle ---------- */
.stepper-row { display: flex; align-items: center; justify-content: space-between; padding: 6px 0; gap: 12px; }
.stepper-label { font-size: 16px; }
.stepper-sub { display: block; font-size: 12px; color: var(--ink-faint); margin-top: 2px; line-height: 1.45; }
.stepper { display: flex; align-items: center; gap: 12px; flex: none; }
.stepper button { width: 46px; height: 46px; border-radius: 13px; border: 1px solid var(--line-strong); background: var(--card-solid); color: var(--ink); font-size: 24px; line-height: 1; cursor: pointer; }
.stepper button:active { transform: translateY(1px); }
.stepper button:disabled { opacity: 0.35; cursor: not-allowed; }
.stepper output { min-width: 42px; text-align: center; font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }

.toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; gap: 12px; }
.switch { position: relative; width: 54px; height: 32px; flex: none; }
.switch input { opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch .track { position: absolute; inset: 0; background: var(--card-solid); border: 1px solid var(--line-strong); border-radius: 999px; transition: background 0.15s, border-color 0.15s; }
.switch .thumb { position: absolute; top: 3px; left: 3px; width: 26px; height: 26px; border-radius: 999px; background: var(--ink-faint); transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), background 0.15s; }
.switch input:checked ~ .track { background: color-mix(in srgb, var(--action) 40%, transparent); border-color: var(--action); }
.switch input:checked ~ .thumb { transform: translateX(22px); background: var(--action); }

.validation { color: var(--warn); font-size: 14px; min-height: 20px; margin: 8px 0 0; line-height: 1.45; }

/* ---------- team names ---------- */
.names-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.names-grid input { min-height: 46px; background: var(--card-solid); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); padding: 0 12px; font-size: 15px; width: 100%; }
.names-grid input:focus { border-color: var(--accent); outline: none; }

/* ---------- category chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line-strong); background: var(--card-solid); color: var(--ink-dim);
  border-radius: 999px; padding: 10px 14px; font-size: 14.5px; font-weight: 600; cursor: pointer;
  min-height: 44px; display: inline-flex; align-items: center; gap: 7px;
  transition: background 0.14s, color 0.14s, border-color 0.14s;
}
.chip .chip-n { font-size: 12px; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.chip[aria-pressed="true"] { background: color-mix(in srgb, var(--action) 26%, transparent); border-color: var(--accent); color: var(--ink); }
.chip[aria-pressed="true"] .chip-n { color: var(--accent-2); }
.chip-actions { display: flex; gap: 8px; margin-top: 12px; }
.chip-actions .ghost-btn { flex: 1; min-height: 40px; }

/* ---------- handover ---------- */
.handover { text-align: center; padding: 18px 6px; }
.handover .pass-to { font-size: 15px; color: var(--ink-dim); letter-spacing: 0.02em; }
.handover .pass-name { font-size: 36px; font-weight: 800; margin: 8px 0 4px; color: var(--accent-2); }
.handover .pass-note { color: var(--ink-faint); font-size: 14.5px; margin: 0 auto 20px; max-width: 34ch; line-height: 1.55; }
.role-note {
  border: 1px solid var(--line); background: var(--card); border-radius: var(--radius);
  padding: 14px 16px; margin: 0 0 16px; text-align: left; backdrop-filter: blur(8px);
}
.role-note dt { font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-faint); }
.role-note dd { margin: 3px 0 12px; font-size: 15.5px; line-height: 1.5; color: var(--ink-dim); }
.role-note dd:last-child { margin-bottom: 0; }
.role-note b { color: var(--ink); }

/* ---------- play ---------- */
/*
 * The play column is a fixed height, not a minimum, and the card face is the
 * only thing that flexes. A long target word or five long banned words scroll
 * inside the card rather than pushing the action buttons down the screen. In a
 * game where the describer taps Got it as fast as they can read, a button that
 * moves between cards is a mis-tap waiting to happen.
 */
.play {
  display: flex; flex-direction: column; gap: 12px;
  height: calc(100dvh - 132px); min-height: 420px;
}
.play-top { display: flex; align-items: center; gap: 12px; flex: none; }
.clock {
  font-size: 34px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1;
  min-width: 3.1ch; color: var(--accent-2);
}
.play.urgent .clock { color: var(--warn); }
.play.critical .clock { color: var(--foul); }
.meter { flex: 1; height: 10px; border-radius: 999px; background: var(--card-solid); border: 1px solid var(--line); overflow: hidden; }
.meter-fill { height: 100%; width: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transform-origin: left center; }
.play.urgent .meter-fill { background: linear-gradient(90deg, var(--warn), #ffd79a); }
.play.critical .meter-fill { background: linear-gradient(90deg, var(--foul), #ff9aa8); }
.tally { display: flex; gap: 8px; flex: none; }
.pill {
  border: 1px solid var(--line); background: var(--card); border-radius: 999px;
  padding: 6px 11px; font-size: 13px; font-weight: 700; color: var(--ink-dim);
  font-variant-numeric: tabular-nums; white-space: nowrap; backdrop-filter: blur(6px);
}
.pill b { color: var(--accent-2); font-size: 15px; }
.pill.spent { color: var(--ink-faint); }

.cardface {
  flex: 1 1 0; min-height: 0; overflow-y: auto; overscroll-behavior: contain;
  display: flex; flex-direction: column; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: 24px; padding: 22px 18px;
  background: radial-gradient(120% 90% at 50% 0%, color-mix(in srgb, var(--glow) 18%, transparent), var(--card) 65%);
  backdrop-filter: blur(10px); box-shadow: 0 14px 40px rgba(0, 0, 0, 0.36); text-align: center;
}
.target {
  font-size: clamp(32px, 10.5vw, 54px); font-weight: 800; line-height: 1.08;
  letter-spacing: -0.02em; margin: 0 0 4px; overflow-wrap: break-word;
}
.target-cat { font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--accent); margin: 0 0 14px; }
.banned-label {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--foul);
  margin: 0 0 10px; font-weight: 700;
}
.banned { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.banned li {
  font-size: clamp(17px, 4.8vw, 21px); font-weight: 600; color: var(--ink);
  padding: 8px 10px; border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--foul) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--foul) 28%, transparent);
}

.actions { display: grid; gap: 10px; flex: none; }
.action-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn.got { min-height: 68px; font-size: 21px; }
.watch-hint { color: var(--ink-faint); font-size: 12.5px; text-align: center; margin: 2px 0 0; line-height: 1.5; flex: none; }
h2.pass-name { font-size: 36px; font-weight: 800; margin: 8px 0 4px; color: var(--accent-2); }

/* ---------- turn summary ---------- */
.turn-score { font-size: 54px; font-weight: 800; line-height: 1; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.turn-score.plus { color: var(--good); }
.turn-score.minus { color: var(--foul); }
.turn-score.zero { color: var(--ink-dim); }
.result-list { list-style: none; margin: 0; padding: 0; }
.result-list li {
  display: flex; align-items: center; gap: 10px; padding: 11px 13px; margin-bottom: 7px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); backdrop-filter: blur(6px);
}
.result-list .r-word { flex: 1; font-weight: 700; }
.result-list .r-mark { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; flex: none; }
.result-list li.got .r-mark { color: var(--good); }
.result-list li.skipped .r-mark { color: var(--warn); }
.result-list li.fouled .r-mark { color: var(--foul); }
.result-list li.skipped .r-word, .result-list li.fouled .r-word { color: var(--ink-dim); }
.empty-note { color: var(--ink-faint); font-size: 14.5px; text-align: center; padding: 10px 0; }

/* ---------- scoreboard ---------- */
.scoreboard { list-style: none; padding: 0; margin: 0; }
.scoreboard li {
  display: flex; align-items: center; gap: 12px; padding: 13px 14px; margin-bottom: 8px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); backdrop-filter: blur(6px);
}
.scoreboard li.leader { border-color: var(--accent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent); }
.scoreboard li.up { background: color-mix(in srgb, var(--action) 18%, var(--card)); }
.scoreboard .r-rank { width: 24px; text-align: center; font-weight: 800; color: var(--accent); flex: none; font-variant-numeric: tabular-nums; }
.scoreboard li:first-child .r-rank { color: var(--accent-2); }
.scoreboard .r-name { flex: 1; font-weight: 700; min-width: 0; overflow-wrap: break-word; }
.scoreboard .r-sub { display: block; font-size: 12px; font-weight: 500; color: var(--ink-faint); margin-top: 2px; }
.scoreboard .r-score { font-weight: 800; font-size: 21px; font-variant-numeric: tabular-nums; flex: none; }
.progress-note { color: var(--ink-faint); font-size: 13.5px; text-align: center; margin: 14px 0 0; line-height: 1.5; }

/* ---------- winner ---------- */
.win-banner {
  text-align: center; padding: 26px 14px; border-radius: 22px; margin-bottom: 14px;
  position: relative; overflow: hidden; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 13%, transparent); border: 1px solid var(--accent);
}
.win-banner::after { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 90% at 50% -10%, currentColor, transparent 60%); opacity: 0.16; }
.win-banner .win-kicker { font-size: 13px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-dim); position: relative; }
.win-banner .win-title { font-size: clamp(28px, 8vw, 38px); font-weight: 800; color: var(--ink); margin-top: 6px; position: relative; overflow-wrap: break-word; }
.win-banner .win-sub { color: var(--ink-dim); margin-top: 6px; position: relative; }

.footnote { color: var(--ink-faint); font-size: 13px; text-align: center; margin-top: 18px; line-height: 1.55; }
.home-link { color: var(--accent); text-decoration: none; font-weight: 600; border-bottom: 1px dashed color-mix(in srgb, var(--accent) 55%, transparent); }
.home-link:hover { color: var(--accent-2); }
.error-box { border: 1px solid var(--foul); background: color-mix(in srgb, var(--foul) 10%, transparent); border-radius: var(--radius); padding: 16px; }
.error-box code { background: rgba(0, 0, 0, 0.4); padding: 2px 6px; border-radius: 6px; }

@media (max-width: 360px) {
  .names-grid { grid-template-columns: 1fr; }
  .clock { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .screen, .backdrop .aurora, .backdrop .rings { animation: none; }
  .btn, .chip, .switch .thumb, .meter-fill { transition: none; }
}