:root {
  --bg: #0b0d10; --fg: #e7e9ec; --muted: #8a8f98; --card: #15181d;
  --accent: #6aa7ff; --accent-fg: #0b0d10; --danger: #ff6a6a; --border: #262b33;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; padding: 2rem 1rem; font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg); color: var(--fg); line-height: 1.55; }
.container { max-width: 820px; margin: 0 auto; }
h1 { font-size: 1.9rem; margin: 0 0 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
h1 .wordmark,
h1 .wordmark:link,
h1 .wordmark:visited,
h1 .wordmark:active {
  display: inline-block;
  color: #ffffff;
  text-decoration: none;
  background: linear-gradient(92deg, #ffffff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: filter 0.18s ease;
}
h1 .wordmark:hover,
h1 .wordmark:focus { filter: brightness(1.15) saturate(1.2); outline: none; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 0.6rem; }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.2rem; margin-bottom: 1rem; }
button, .btn {
  background: var(--accent); color: var(--accent-fg); border: 0; padding: 0.55rem 1rem;
  border-radius: 6px; font-weight: 600; cursor: pointer; font-size: 0.95rem;
}
button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--border); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
input[type=text], textarea {
  width: 100%; padding: 0.6rem 0.8rem; border-radius: 6px; border: 1px solid var(--border);
  background: #0f1217; color: var(--fg); font-family: inherit; font-size: 1rem;
}
textarea { resize: vertical; min-height: 3rem; }
code, .mono { font-family: var(--mono); }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); font-size: 0.8rem; color: var(--muted); }
.chip { display: inline-block; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); background: transparent; color: var(--fg); cursor: pointer; margin: 2px 4px 2px 0; font-size: 0.88rem; }
.chip:hover { border-color: var(--accent); }
.dropzone { border: 2px dashed var(--border); padding: 2rem; text-align: center; border-radius: 12px; cursor: pointer; }
.dropzone.drag { border-color: var(--accent); background: #10141a; }
.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin-top: 0.8rem; }
.progress > div { height: 100%; background: var(--accent); width: 0%; transition: width 0.2s; }
.url-box { display: flex; gap: 0.5rem; align-items: center; background: #0f1217; padding: 0.5rem 0.7rem; border-radius: 6px; border: 1px solid var(--border); margin-bottom: 0.5rem; }
.url-box code { flex: 1; overflow: auto; white-space: nowrap; font-size: 0.85rem; }
.banner { padding: 0.6rem 0.9rem; border-radius: 6px; margin-bottom: 1rem; }
.banner.error { background: rgba(255, 106, 106, 0.15); border: 1px solid var(--danger); color: var(--danger); }
.sticky-player { position: sticky; top: 0; z-index: 10; background: var(--bg); padding: 0.5rem 0; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
audio { width: 100%; }
.qa-item { border-top: 1px solid var(--border); padding: 0.6rem 0; }
.qa-item:first-child { border-top: 0; }
.qa-item summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 0.5rem; }
.qa-item summary::-webkit-details-marker { display: none; }
.qa-item summary::before { content: "▸"; color: var(--muted); }
.qa-item[open] summary::before { content: "▾"; }
.qa-answer { padding: 0.4rem 0 0.2rem 1rem; }
.qa-answer :is(p, ul, ol, pre) { margin: 0.5rem 0; }
.qa-answer pre { background: #0f1217; padding: 0.8rem; border-radius: 6px; overflow: auto; }
.qa-answer code { background: #0f1217; padding: 1px 4px; border-radius: 3px; }
.ts { color: var(--accent); cursor: pointer; text-decoration: underline dotted; font-family: var(--mono); font-size: 0.9rem; }
.outline-item { margin: 0.2rem 0; }
.transcript-para { margin: 0.4rem 0; }
.transcript-para .speaker { color: var(--muted); margin-right: 0.4rem; }
.status-pill { display: inline-flex; align-items: center; gap: 0.4rem; }
.spinner { width: 10px; height: 10px; border: 2px solid var(--muted); border-top-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }