/* Dark: black, white, one accent. Phone first: a 16 px gutter and nothing wider than the screen. */
:root {
  --bg: #000;
  --fg: #fff;
  --muted: #9a9a9a;
  --line: #262626;
  --panel: #0d0d0d;
  --accent: #ff5a1f;
  --bad: #ff5a1f;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); overflow-x: hidden; }
a { color: var(--fg); }
h1 { font-size: 1.5rem; margin: 1.5rem 0 0.25rem; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }
h3 { font-size: 0.95rem; margin: 1rem 0 0.25rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.error { color: var(--bad); min-height: 1.2em; margin: 0; }
.ok { color: var(--fg); }
.bad { color: var(--bad); }
code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; }
pre { white-space: pre-wrap; word-break: break-word; background: var(--panel); border: 1px solid var(--line); padding: 0.75rem; border-radius: 8px; max-height: 40vh; overflow: auto; }

.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; }
nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--muted); }
nav a.active { color: var(--fg); border-bottom: 2px solid var(--accent); }
main { max-width: 960px; margin: 0 auto; padding: 0 16px 48px; }

.stack { display: flex; flex-direction: column; gap: 0.75rem; }
.row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
input, textarea, button { font: inherit; color: var(--fg); }
input[type="password"], textarea { width: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 0.75rem; }
textarea { resize: vertical; }
input:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button { background: var(--fg); color: var(--bg); border: 0; border-radius: 999px; padding: 0.7rem 1.4rem; font-weight: 600; cursor: pointer; align-self: flex-start; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.link { background: none; color: var(--muted); padding: 0; border-radius: 0; font-weight: 400; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { background: none; color: var(--fg); border: 1px solid var(--line); padding: 0.35rem 0.8rem; font-weight: 400; font-size: 0.85rem; }
.chip:hover { border-color: var(--accent); }
.switch { border: 1px solid var(--line); border-radius: 8px; display: flex; gap: 1.25rem; padding: 0.5rem 0.9rem; margin: 0; }
.switch legend { color: var(--muted); font-size: 0.8rem; padding: 0 0.25rem; }
.switch input { accent-color: var(--accent); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-top: 1.25rem; }
.table-wrap { overflow-x: auto; max-width: 100%; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.35rem 0.4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
td.reason { word-break: break-word; }
tr.failed td { color: var(--bad); }
tr.failed { background: rgba(255, 90, 31, 0.08); }
tr.click { cursor: pointer; }
tr.click:hover { background: #151515; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-top: 1rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; cursor: pointer; display: flex; flex-direction: column; text-align: left; padding: 0; color: var(--fg); font-weight: 400; border-radius: 12px; }
.card:hover { border-color: var(--accent); }
.card video, .player { width: 100%; aspect-ratio: 9 / 16; background: #111; display: block; object-fit: cover; }
.card .meta { padding: 8px 10px; font-size: 0.8rem; }
.card .title { font-weight: 600; font-size: 0.9rem; }
.badge { display: inline-block; font-size: 0.7rem; padding: 0.05rem 0.45rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.badge.accent { border-color: var(--accent); color: var(--accent); }

dialog { width: min(960px, 100vw); max-width: 100vw; max-height: 100dvh; margin: auto; padding: 0 16px 24px; background: var(--bg); color: var(--fg); border: 1px solid var(--line); border-radius: 12px; }
dialog::backdrop { background: rgba(0, 0, 0, 0.8); }
.sticky { position: sticky; top: 0; background: var(--bg); padding: 12px 0; z-index: 1; border-bottom: 1px solid var(--line); }
.tabs { display: flex; gap: 0.5rem; }
.tabs button { background: none; color: var(--muted); border: 1px solid var(--line); padding: 0.35rem 0.9rem; font-weight: 500; }
.tabs button[aria-selected="true"] { color: var(--bg); background: var(--fg); }
.inspect { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 20px; margin-top: 1rem; }
@media (max-width: 680px) { .inspect { grid-template-columns: minmax(0, 1fr); } .player { max-width: 320px; margin: 0 auto; } }
.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0.2rem 0.75rem; font-size: 0.9rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.shot { border-left: 2px solid var(--line); padding-left: 0.75rem; margin: 0.6rem 0; }
.shot .line { font-style: italic; }
.ladder { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; font-size: 0.85rem; }
.ladder .step { border: 1px solid var(--line); border-radius: 6px; padding: 0.1rem 0.5rem; }
.ladder .step.used { border-color: var(--accent); color: var(--accent); }
.diff .miss { color: var(--bad); text-decoration: underline; }

/* F20: the failure panel and the proven example chips. */
.failure { border-color: var(--accent); }
.failure h2 { margin-top: 0; }
.failure .takes { display: flex; flex-wrap: wrap; gap: 10px; }
.failure figure { margin: 0; width: 140px; }
.failure figure video { width: 100%; aspect-ratio: 9 / 16; background: #111; border-radius: 8px; }
.failure figcaption { font-size: 0.75rem; color: var(--muted); }
.failure .ins { color: var(--bad); text-decoration: underline dotted; }
.chip-row { display: inline-flex; gap: 0.35rem; align-items: center; }
.verified { font-size: 0.7rem; color: var(--muted); }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.tile .big { font-size: 1.5rem; font-weight: 700; }
.tile .label { color: var(--muted); font-size: 0.8rem; }
.bars { display: flex; flex-direction: column; gap: 4px; font-size: 0.8rem; }
.bar { display: grid; grid-template-columns: minmax(70px, 30%) minmax(0, 1fr) max-content; gap: 8px; align-items: center; }
.bar .track { height: 8px; background: #1a1a1a; border-radius: 4px; overflow: hidden; }
.bar .fill { height: 100%; background: var(--accent); width: 0; }
.bar .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.group { margin-top: 1rem; }