:root {
  color-scheme: dark;
  --bg: #070914;
  --panel: rgba(17, 24, 39, 0.72);
  --panel-strong: rgba(23, 31, 51, 0.92);
  --text: #eef4ff;
  --muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --danger: #fb7185;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(139, 92, 246, 0.35), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(34, 211, 238, 0.28), transparent 32rem),
    var(--bg);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.shell {
  width: min(980px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(17, 24, 39, 0.82));
  box-shadow: 0 16px 48px rgba(0,0,0,0.34);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  padding: 5px 8px;
  border-radius: 999px;
  color: #d8b4fe;
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(216, 180, 254, 0.22);
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 10px;
}

h1 {
  margin: 0;
  font-size: clamp(18px, 3vw, 24px);
  letter-spacing: -0.04em;
  line-height: 1;
}

.room-code {
  grid-column: 2;
  margin: -2px 0 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
}

.status {
  grid-column: 3;
  grid-row: 1 / span 2;
  margin-top: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.24);
  color: #a5f3fc;
  font-size: 12px;
  white-space: nowrap;
}

.status::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 18px var(--accent-2);
}

.status.error {
  color: #fecdd3;
  background: rgba(251, 113, 133, 0.14);
  border-color: rgba(251, 113, 133, 0.3);
}

.status.error::before { background: var(--danger); box-shadow: 0 0 18px var(--danger); }

.transcript {
  margin-top: 22px;
  display: grid;
  gap: 14px;
  user-select: none;
  -webkit-user-select: none;
}

.segment-group {
  display: grid;
  gap: 7px;
  animation: rise 260ms ease both;
}

.segment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 4px 0 6px;
}

.speaker-label {
  color: #e2e8f0;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.02em;
}

.segment-time {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.segment {
  padding: 18px;
  border-radius: 22px;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(18px);
}

.segment-group.speaker-1 { --speaker-accent: 99,140,255; }
.segment-group.speaker-2 { --speaker-accent: 251,191,36; }
.segment-group.speaker-3 { --speaker-accent: 74,222,128; }
.segment-group.speaker-4 { --speaker-accent: 248,113,113; }
.segment-group.speaker-5 { --speaker-accent: 168,85,247; }
.segment-group.speaker-6 { --speaker-accent: 34,211,238; }

.segment-group .speaker-label {
  color: rgb(var(--speaker-accent));
}

.segment-group .segment {
  background: linear-gradient(135deg, rgba(var(--speaker-accent), 0.14), rgba(17, 24, 39, 0.78));
  border-color: rgba(var(--speaker-accent), 0.24);
  box-shadow: 0 14px 40px rgba(var(--speaker-accent), 0.055);
}

.original {
  color: #dbeafe;
  font-size: 17px;
  line-height: 1.55;
}

.translation {
  margin-top: 8px;
  color: #ffffff;
  font-size: 20px;
  line-height: 1.55;
  font-weight: 650;
}

.empty {
  padding: 28px;
  border-radius: 24px;
  text-align: center;
  color: var(--muted);
  background: var(--panel-strong);
  border: 1px dashed rgba(255,255,255,0.15);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.segment-group.continuation {
  gap: 4px;
}

.segment-group.continuation .segment-header {
  padding-top: 0;
  min-height: 14px;
}

.transcript .segment-group.continuation {
  margin-top: -8px;
}

.segment-group.continuation .segment {
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}

/* Compact 3-line header layout */
.hero {
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
}

.brand {
  grid-column: 1;
  grid-row: 1;
  width: fit-content;
}

.hero h1 {
  grid-column: 1;
  grid-row: 2;
}

.room-code {
  grid-column: 1;
  grid-row: 3;
  margin-top: 0;
}

.status {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
}