:root {
  --bg: #f4f5f7; --card: #fff; --text: #1d2129; --muted: #6b7280; --line: #dfe3e8;
  --accent: #2563eb; --accent-text: #fff; --danger: #c62828; --ok: #2e7d32; --warn: #b26a00; --soft: #e8f0fe;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171c; --card: #1d2229; --text: #e6e8eb; --muted: #98a1ad; --line: #2e3640; --accent: #4c8dff; --danger: #ef5350; --ok: #66bb6a; --warn: #ffb74d; --soft: #243449; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--text); }
h1, h2, h3 { margin: 0 0 8px; }
h2 { font-size: 18px; } h3 { font-size: 15px; }
.muted { color: var(--muted); }
.grow { flex: 1; }
.error { color: var(--danger); }
.small-text { font-size: 13px; }

button { font: inherit; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); cursor: pointer; }
button:disabled { opacity: .45; cursor: default; }
button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button.small { padding: 4px 10px; font-size: 13px; }
input, select { font: inherit; width: 100%; padding: 8px 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
label input, label select { margin-top: 3px; }

.top { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.error-panel { margin: 12px 16px 0; padding: 10px 14px; border: 1px solid var(--danger); border-radius: 8px; color: var(--danger); background: var(--card); white-space: pre-wrap; }
main { padding: 16px; max-width: 1100px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; align-items: end; }
.settings label { margin: 0; }

.progress { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); width: 0; transition: width .3s; }
.upload { margin: 6px 0; font-size: 13px; }
.upload .progress { margin-top: 3px; height: 5px; }

.clip { border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; background: var(--card); }
.clip.open { border-color: var(--accent); }
.clip-row { display: flex; align-items: center; gap: 8px; padding: 8px 10px; cursor: pointer; flex-wrap: wrap; }
.clip-row .name { flex: 1; min-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.num { width: 22px; text-align: center; color: var(--muted); }
.chip { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); white-space: nowrap; }
.chip.ok { color: var(--ok); border-color: var(--ok); }
.chip.warn { color: var(--warn); border-color: var(--warn); }
.chip.bad { color: var(--danger); border-color: var(--danger); }
.chip.accent { color: var(--accent); border-color: var(--accent); }
.clip.skipped .name { text-decoration: line-through; color: var(--muted); }

.editor { padding: 10px; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 14px; }
@media (max-width: 760px) { .editor { grid-template-columns: 1fr; } }
.editor video { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 8px; display: block; }
.strip-box { position: relative; user-select: none; touch-action: none; margin: 6px 0; }
.dyn { display: block; width: 100%; height: 46px; border-radius: 6px 6px 0 0; background: var(--bg); }
.strip { height: 56px; background-size: 100% 100%; background-color: #000; border-radius: 0 0 6px 6px; }
.window { position: absolute; top: 0; bottom: 0; border: 3px solid var(--accent); background: rgba(37, 99, 235, .22); border-radius: 6px; cursor: grab; box-sizing: border-box; min-width: 8px; }
.window:active { cursor: grabbing; }
.auto-mark { position: absolute; bottom: -7px; width: 0; height: 0; border: 6px solid transparent; border-bottom-color: var(--ok); border-top: 0; transform: translateX(-6px); }
.frames { display: block; width: 100%; height: auto; border-radius: 6px; background: #000; }
.buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; align-items: center; }
.nudge { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; margin: 6px 0; }

.formats { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; }
.format { display: flex; align-items: center; gap: 12px; text-align: left; background: var(--card); color: var(--text); border: 2px solid var(--line); padding: 10px 14px; }
.format.active { border-color: var(--accent); background: var(--soft); }
.shape { flex: none; border: 2px solid currentColor; border-radius: 3px; opacity: .7; }
.shape.vertical { width: 22px; height: 38px; }
.shape.horizontal { width: 38px; height: 22px; }
.mini { flex: none; width: 85px; height: 48px; border-radius: 5px; background-color: var(--line); background-repeat: no-repeat; }
.clip.skipped .mini { opacity: .4; }
[data-format=horizontal] .editor { grid-template-columns: minmax(0, 200px) minmax(0, 1fr); }
[data-format=horizontal] .editor video { aspect-ratio: 9 / 16; }
[data-format=horizontal] .frames { max-width: 540px; }
[data-format=horizontal] .captions { grid-template-columns: minmax(0, 1fr) 300px; }
[data-format=horizontal] .preview { aspect-ratio: 16 / 9; max-width: 300px; }
@media (max-width: 760px) { [data-format=horizontal] .editor, [data-format=horizontal] .captions { grid-template-columns: 1fr; } [data-format=horizontal] .editor video { max-width: 220px; } }
.final-item.wide { width: 440px; }
.final-item.wide video { max-width: none; }
.captions { display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 16px; align-items: start; }
@media (max-width: 760px) { .captions { grid-template-columns: 1fr; } }
.preview { width: 100%; max-width: 200px; aspect-ratio: 9 / 16; background: #222; border-radius: 8px; display: block; margin-bottom: 4px; }

.final video { width: 100%; max-width: 270px; aspect-ratio: 9 / 16; background: #000; border-radius: 8px; display: block; }
.finals { display: flex; flex-wrap: wrap; gap: 14px; }
.final-item { width: 270px; max-width: 100%; }
.problems { color: var(--warn); margin: 6px 0; }

.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; width: min(360px, 92vw); }
.login-card button { width: 100%; margin-top: 6px; }