/*
 * Design language carried over from the source Space (see its DESIGN.md):
 * a precise cool-grey dark canvas, monochrome chrome, hairlines not boxes,
 * Inter for humans and Geist Mono for the machine voice. One difference:
 * there, color belonged to the orb — here, presence belongs to the avatar,
 * so the chrome stays even quieter.
 */

:root {
  --bg: #0a0b10;
  --bg-elev: #13151c;
  --bg-elev-2: #1b1e29;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f6fa;
  --text-dim: rgba(245, 246, 250, 0.65);
  --text-faint: rgba(245, 246, 250, 0.42);
  --error: #ff6a75;
  --live: #22d3ee;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, sans-serif;
  overflow: hidden;
}

#app {
  position: relative;
  height: 100dvh;
}

/* ── The stage ──────────────────────────────────────────────────────── */

#stage {
  position: absolute;
  inset: 0;
}

/* TalkingHead sizes the canvas itself (inline styles from its resize
   observer) — don't fight it, just keep it block-level. */
#stage canvas {
  display: block;
}

[hidden] {
  display: none !important;
}

#loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: var(--bg);
  transition: opacity 0.6s ease;
  pointer-events: none;
}

#loading.done {
  opacity: 0;
}

/* ── Topbar ─────────────────────────────────────────────────────────── */

#topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 18px 20px;
  pointer-events: none;
}

#topbar > * {
  pointer-events: auto;
}

#identity h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

#identity p {
  margin: 4px 0 0;
  max-width: 340px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-faint);
}

#identity strong {
  color: var(--text-dim);
  font-weight: 500;
}

/* ── Buttons ────────────────────────────────────────────────────────── */

.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  color: var(--text-dim);
  cursor: pointer;
  touch-action: manipulation;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.icon-btn.active {
  color: var(--error);
  border-color: var(--border-strong);
}

#main-btn {
  min-width: 190px;
  height: 46px;
  padding: 0 26px;
  border: none;
  border-radius: 23px;
  background: var(--text);
  color: var(--bg);
  font-family: Inter, system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.12s ease, opacity 0.15s ease;
}

#main-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

#main-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

#main-btn.live {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

/* ── Controls / caption ─────────────────────────────────────────────── */

#controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 0 20px calc(22px + env(safe-area-inset-bottom));
}

#buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

#caption {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  transition: color 0.2s ease;
}

#caption.live {
  color: var(--live);
}

#caption.error {
  color: var(--error);
}

/* ── Subtitles ──────────────────────────────────────────────────────── */

#subtitles {
  position: absolute;
  left: 50%;
  bottom: 118px;
  transform: translateX(-50%);
  max-width: min(640px, calc(100vw - 48px));
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: rgba(10, 11, 16, 0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  font-size: 15px;
  line-height: 1.5;
  text-align: center;
  text-wrap: balance;
  color: var(--text);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#subtitles.visible {
  opacity: 1;
}

/* ── Settings dialog ────────────────────────────────────────────────── */

#settings {
  width: min(440px, calc(100vw - 40px));
  padding: 22px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-elev);
  color: var(--text);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.32);
}

#settings::backdrop {
  background: rgba(5, 6, 9, 0.6);
  backdrop-filter: blur(2px);
}

#settings h2 {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 600;
}

#settings label {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--text-dim);
}

#settings select,
#settings textarea,
#settings input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev-2);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
}

#settings select:focus-visible,
#settings textarea:focus-visible,
#settings input:focus-visible {
  outline: 1px solid var(--text-dim);
  outline-offset: 1px;
}

#settings textarea {
  resize: vertical;
}

#settings .check-row {
  display: flex;
  align-items: center;
  gap: 9px;
}

#settings .check-row input {
  display: inline-block;
  width: auto;
  margin: 0;
  accent-color: var(--text);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}

.dialog-actions .primary {
  padding: 9px 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}

/* ── Focus + motion floors ──────────────────────────────────────────── */

button:focus-visible {
  outline: 2px solid var(--text-dim);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
  }
}

/* ── Phones ─────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  #identity p {
    display: none;
  }

  #subtitles {
    bottom: 128px;
    font-size: 14px;
  }
}