:root {
  --bg: #0b0b0c; --panel: #151517; --line: #26262a; --text: #f2f2f3; --muted: #8d8d95;
  --accent: #ff4d4d; --radius: 12px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif; }
a { color: inherit; }
h1 { font-size: 22px; margin: 0 0 4px; font-weight: 600; letter-spacing: -0.01em; }
.muted { color: var(--muted); margin: 0; font-size: 14px; }
.hidden { display: none !important; }

button, .btn, select, input {
  font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 14px;
}
button, .btn { cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
button:hover, .btn:hover { border-color: #3a3a40; background: #1c1c1f; }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.danger:hover { border-color: var(--accent); color: var(--accent); }
input:focus, select:focus { outline: 2px solid #3a3a40; outline-offset: 0; }

.bar { display: flex; align-items: center; gap: 16px; padding: 18px 28px; }
.bar nav { margin-left: auto; display: flex; gap: 8px; }
.brand { font-weight: 700; font-size: 18px; text-decoration: none; letter-spacing: -0.02em; }
.brand span { color: var(--muted); font-weight: 500; }
.center { min-height: 70vh; display: grid; place-content: center; text-align: center; gap: 12px; }

/* share page */
.player { max-width: 1120px; margin: 0 auto; padding: 8px 28px 48px; }
.player video { width: 100%; max-height: 78vh; background: #000; border-radius: var(--radius); display: block; }
.info { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-top: 18px; flex-wrap: wrap; }
.speed { display: flex; gap: 4px; }
.speed button { padding: 5px 10px; font-size: 13px; }
.speed button.on { border-color: var(--text); }

/* login */
.login { display: grid; gap: 10px; width: 280px; }

/* recorder */
.rec { max-width: 760px; margin: 0 auto; padding: 8px 28px 48px; display: grid; gap: 18px; }
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.modes button { justify-content: center; padding: 12px; }
.modes button.on { border-color: var(--accent); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row label { display: grid; gap: 4px; flex: 1; min-width: 200px; font-size: 13px; color: var(--muted); }
.stage { position: relative; background: #000; border-radius: var(--radius); aspect-ratio: 16/9; overflow: hidden; display: grid; place-items: center; }
.stage video { width: 100%; height: 100%; object-fit: contain; }
.stage .note { color: var(--muted); padding: 20px; text-align: center; }
.count { position: absolute; inset: 0; display: grid; place-items: center; font-size: 120px; font-weight: 700; background: rgba(0,0,0,.6); }
.timer { font-variant-numeric: tabular-nums; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.timer::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.timer.paused::before { background: var(--muted); }
.progress { height: 8px; background: var(--panel); border-radius: 4px; overflow: hidden; }
.progress div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.done { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: grid; gap: 10px; }
.done input { width: 100%; }

/* library */
.lib { padding: 8px 28px 48px; }
.lib #status { margin-bottom: 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card .th { position: relative; display: block; aspect-ratio: 16/9; background: #000; }
.card .th img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card .dur { position: absolute; right: 8px; bottom: 8px; background: rgba(0,0,0,.75); padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.card .body { padding: 12px 14px; }
.card h3 { margin: 0 0 2px; font-size: 15px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card .acts { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.card .acts button, .card .acts .btn { padding: 4px 9px; font-size: 13px; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 8px 16px; border-radius: 8px; font-weight: 500; }