:root {
  color-scheme: light;
  --fg: #1a1a1a;
  --fg-muted: #555;
  --bg: #fafaf7;
  --accent: #1a4480;
  --border: #d8d6cf;
  --code-bg: #f0eee8;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 28px 96px;
}

h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 36px 0 12px;
  letter-spacing: -0.005em;
}

h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

p { margin: 0 0 14px; }

.subtitle {
  color: var(--fg-muted);
  font-size: 15px;
  margin-bottom: 36px;
}

.terms-section {
  margin: 28px 0;
}

.terms-section ol, .terms-section ul {
  padding-left: 22px;
  margin: 8px 0;
}

.terms-section li { margin-bottom: 6px; }

.next-row {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 11px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn:hover { background: #15356a; }

.btn-download {
  font-size: 16px;
  padding: 14px 32px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 16px 0 32px;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-weight: 600;
  background: rgba(0,0,0,0.025);
  color: var(--fg-muted);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.04em;
}

td.id { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; white-space: nowrap; }

.tag-v1 { display: inline-block; padding: 1px 7px; border-radius: 3px; font-size: 11px; font-weight: 600; background: #d6efdf; color: #0a6c2e; }
.tag-v2 { display: inline-block; padding: 1px 7px; border-radius: 3px; font-size: 11px; font-weight: 600; background: #efe5d3; color: #7a4a0a; }

.clips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 16px 0 32px;
}

@media (max-width: 600px) {
  .clips { grid-template-columns: 1fr; }
  main { padding: 36px 18px 64px; }
}

.clip {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.clip video {
  width: 100%;
  height: auto;
  border-radius: 6px;
  background: #000;
  display: block;
}

.clip-caption {
  font-size: 13px;
  color: var(--fg-muted);
}

.clip-caption strong {
  color: var(--fg);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  margin-right: 6px;
}

dl.schema {
  margin: 16px 0 32px;
  padding: 18px 22px;
  background: var(--code-bg);
  border-radius: 6px;
  font-size: 14px;
}

dl.schema dt {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 600;
  margin-top: 10px;
}

dl.schema dt:first-child { margin-top: 0; }

dl.schema dd {
  margin: 2px 0 0 0;
  color: var(--fg-muted);
}

pre.json {
  background: var(--code-bg);
  border-radius: 6px;
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 13px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  line-height: 1.5;
  margin: 12px 0 28px;
}

.download-card {
  margin: 24px 0;
  padding: 22px 24px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.download-card .meta {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  word-break: break-all;
}

.note {
  font-size: 13px;
  color: var(--fg-muted);
  font-style: italic;
  margin: 8px 0 16px;
}