:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e3e6ea;
  --text: #1b1f24;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #e8efff;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --ok: #16a34a;
  --warn: #b45309;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.04);
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --surface: #161b22;
    --border: #262d37;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --accent: #6ea8fe;
    --accent-soft: #1c2942;
    --danger: #f87171;
    --danger-soft: #3a1d1d;
    --ok: #4ade80;
    --warn: #fbbf24;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }

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

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 15px; font-weight: 600; margin: 0; letter-spacing: -0.01em; }

.tag {
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
  transition: background 0.2s, box-shadow 0.2s;
}
.dot.live {
  background: var(--danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 18%, transparent);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.meta { display: flex; align-items: center; gap: 12px; }

.status {
  font-size: 12px;
  color: var(--muted);
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
}
.status.live { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.status.working { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }

.timer {
  font-family: var(--mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.timer.warn { color: var(--warn); font-weight: 600; }

/* ---------- banners ---------- */
.banner {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 20px 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent);
}
.banner.restore {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

.pass-input {
  font: inherit;
  font-size: 12.5px;
  padding: 6px 10px;
  width: 150px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  background: var(--surface);
  color: var(--text);
}
.pass-input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  outline-offset: 1px;
}

/* ---------- layout ---------- */
.layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 16px;
  padding: 16px 20px 20px;
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .side-pane { order: -1; }
}

.pane {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.pane-head h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0;
  font-weight: 600;
}

/* ---------- transcript ---------- */
.scroll {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px 40px;
  scroll-behavior: smooth;
}

.segments { display: flex; flex-direction: column; gap: 12px; }

.seg {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: baseline;
}
.seg .ts {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}
.seg .txt { font-size: 16px; line-height: 1.6; }

.interim {
  margin-top: 12px;
  padding-left: 64px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  font-style: italic;
  min-height: 1.6em;
}

.empty {
  color: var(--muted);
  text-align: center;
  margin: 15vh auto 0;
  max-width: 380px;
  font-size: 14px;
}

/* ---------- side ---------- */
.side-pane {
  padding: 0 14px 14px;
  gap: 12px;
  overflow-y: auto;
}
.side-pane .pane-head { margin: 0 -14px 12px; }

.btn {
  font: inherit;
  font-size: 13px;
  padding: 9px 12px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.btn:hover:not(:disabled) { background: var(--bg); border-color: color-mix(in srgb, var(--text) 18%, var(--border)); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.ghost { background: transparent; }
.btn.small { font-size: 12px; padding: 6px 10px; }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
.btn.primary.recording { background: var(--danger); border-color: var(--danger); }

.btn.big {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  padding: 14px;
  font-size: 15px;
}
.btn.big .icon { font-size: 11px; line-height: 1; }

.meter {
  height: 4px;
  border-radius: 999px;
  background: var(--bg);
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--ok);
  transition: width 0.08s linear;
}

.field { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
.field select {
  font: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
}
.check input { accent-color: var(--accent); }

.divider { height: 1px; background: var(--border); margin: 2px 0; }

.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.summary {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: var(--bg);
}
.summary-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
}
.summary h3 { margin: 0; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.summary pre {
  margin: 0;
  font: 12.5px/1.6 var(--mono);
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}

.hint {
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--muted);
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  background: var(--text);
  color: var(--surface);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 50;
  max-width: 90vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }