:root {
  --ink: #1d2a32;
  --muted: #5c6770;
  --line: rgba(99, 115, 125, 0.18);
  --accent: #2f6f8f;
  --accent-deep: #1f4d63;
  --paper: #f6f9fb;
  --card: #fff;
  --good: #16845b;
  --warn: #c83d44;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--paper); color: var(--ink); font-family: Inter, "Noto Sans", sans-serif; line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 28px 20px 64px; }
.nav { display: flex; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.brand { font-weight: 700; letter-spacing: -0.02em; }
.links { display: flex; gap: 14px; font-size: 14px; }
.hero h1 { font-size: clamp(28px, 4vw, 42px); letter-spacing: -0.03em; margin: 8px 0 12px; }
.lede { color: var(--muted); max-width: 720px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 28px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: 0 8px 24px rgba(31, 45, 55, 0.04); }
.card h2 { font-size: 20px; margin-bottom: 8px; }
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 999px; padding: 10px 16px; font-weight: 600; cursor: pointer; }
.btn.secondary { background: #fff; color: var(--accent-deep); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
input[type="text"] { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: inherit; min-width: 220px; }
.prompt { font-size: 22px; font-weight: 700; margin: 8px 0 16px; }
.clips { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
video, img.still { width: 100%; background: #eee; border-radius: 10px; aspect-ratio: 16/10; object-fit: cover; display: block; }
.clip h3 { font-size: 14px; margin-bottom: 6px; color: var(--muted); }
.scale { display: flex; gap: 6px; flex-wrap: wrap; }
.scale label { border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 13px; background: #fff; }
.scale input { display: none; }
.scale input:checked + span, .scale label:has(input:checked) { background: var(--accent); color: #fff; border-color: var(--accent); }
.crit { margin: 10px 0; }
.crit b { display: block; font-size: 13px; margin-bottom: 4px; }
.progress { color: var(--muted); font-size: 14px; }
.done { padding: 24px; text-align: center; }
.qgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.frames { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin-top: 8px; }
.frames img { width: 100%; border-radius: 6px; background: #eee; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
.tab { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 12px; cursor: pointer; }
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.note { font-size: 13px; color: var(--muted); margin-top: 10px; }
@media (max-width: 800px) {
  .clips, .qgrid { grid-template-columns: 1fr; }
  .frames { grid-template-columns: repeat(3, 1fr); }
}