:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #0066cc;
  --error: #c0392b;
  --warn: #e67e22;
  --border: #ddd;
  --speaker-1: #2980b9;
  --speaker-2: #27ae60;
  --speaker-3: #8e44ad;
  --speaker-4: #e67e22;
  --speaker-5: #c0392b;
  --speaker-6: #16a085;
  --speaker-7: #d35400;
  --speaker-8: #2c3e50;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --fg: #f0f0f0;
    --muted: #999;
    --accent: #4da3ff;
    --border: #333;
    --speaker-1: #5dade2;
    --speaker-2: #58d68d;
    --speaker-3: #bb8fce;
    --speaker-4: #f5b041;
    --speaker-5: #ec7063;
    --speaker-6: #48c9b0;
    --speaker-7: #eb984e;
    --speaker-8: #aab7b8;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 18px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.view {
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#view-landing, #view-join { align-items: center; justify-content: center; text-align: center; }
#view-landing h1 { font-size: 32px; margin: 0 0 32px; }

.big-btn {
  font-size: 24px;
  padding: 24px 32px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
  min-width: 280px;
  touch-action: manipulation;
}
.big-btn.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.big-btn:active { transform: scale(0.98); }

.link {
  background: none; border: none; color: var(--accent);
  font-size: 18px; padding: 12px; cursor: pointer;
}

input {
  font-size: 24px;
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  width: 280px;
  text-align: center;
}

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

#view-sender { align-items: center; }
.room-info { text-align: center; }
.pin-display, .room-display { margin-bottom: 8px; }
.pin-display .label, .room-display .label {
  display: block; color: var(--muted); font-size: 14px;
}
.pin {
  font-size: 64px; font-weight: bold; letter-spacing: 8px;
  font-variant-numeric: tabular-nums;
}
#display-room { font-size: 24px; font-family: ui-monospace, monospace; }
#qr-canvas {
  display: block; margin: 16px auto;
  border: 1px solid var(--border); border-radius: 8px;
  max-width: 100%; height: auto;
}
.hint { color: var(--muted); font-size: 14px; }
.recorder-controls { margin-top: auto; text-align: center; }
.status { color: var(--muted); margin-top: 16px; }

/* Reader */
#view-reader { padding: 0; gap: 0; }
.transcript {
  flex: 1; overflow-y: auto;
  padding: 16px max(16px, env(safe-area-inset-right))
           max(16px, env(safe-area-inset-bottom))
           max(16px, env(safe-area-inset-left));
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}
.bubble {
  margin: 12px 0;
  padding: 12px 16px;
  border-radius: 16px;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
}
.bubble[data-speaker="1"] { border-color: var(--speaker-1); background: color-mix(in srgb, var(--speaker-1) 10%, var(--bg)); }
.bubble[data-speaker="2"] { border-color: var(--speaker-2); background: color-mix(in srgb, var(--speaker-2) 10%, var(--bg)); }
.bubble[data-speaker="3"] { border-color: var(--speaker-3); background: color-mix(in srgb, var(--speaker-3) 10%, var(--bg)); }
.bubble[data-speaker="4"] { border-color: var(--speaker-4); background: color-mix(in srgb, var(--speaker-4) 10%, var(--bg)); }
.bubble[data-speaker="5"] { border-color: var(--speaker-5); background: color-mix(in srgb, var(--speaker-5) 10%, var(--bg)); }
.bubble[data-speaker="6"] { border-color: var(--speaker-6); background: color-mix(in srgb, var(--speaker-6) 10%, var(--bg)); }
.bubble[data-speaker="7"] { border-color: var(--speaker-7); background: color-mix(in srgb, var(--speaker-7) 10%, var(--bg)); }
.bubble[data-speaker="8"] { border-color: var(--speaker-8); background: color-mix(in srgb, var(--speaker-8) 10%, var(--bg)); }

.speaker-label {
  font-size: 14px;
  color: var(--muted);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.bubble-text { margin: 0; font-size: 24px; line-height: 1.4; }

.system {
  text-align: center;
  color: var(--muted);
  font-style: italic;
  padding: 8px;
  font-size: 16px;
}

.scroll-pill {
  position: fixed;
  bottom: max(20px, env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%);
  background: var(--accent); color: white;
  border: none; border-radius: 24px;
  padding: 12px 24px; font-size: 16px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Connection banner */
.banner {
  position: fixed; top: 0; left: 0; right: 0;
  padding: 8px 16px;
  text-align: center;
  font-size: 14px;
  z-index: 100;
}
.banner.warn { background: var(--warn); color: white; }
.banner.error { background: var(--error); color: white; }