:root {
  --bg: #f6f7f9; --surface: #fff; --text: #1c2330; --muted: #5b6577; --line: #dfe3ea;
  --accent: #0f6a5b; --accent-text: #fff; --danger: #b3261e; --notice-bg: #e6f4f0; --error-bg: #fbeaea;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d; --surface: #1b212b; --text: #e8ebf0; --muted: #a0a9b8; --line: #2d3542;
    --accent: #4cc2ab; --accent-text: #08201b; --danger: #f2877f; --notice-bg: #17332d; --error-bg: #3a1f1e;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.empty { color: var(--muted); text-align: center; padding: 32px 16px; }

/* Admin */
.site-head { background: var(--surface); border-bottom: 1px solid var(--line); padding: 32px 16px; text-align: center; }
.site-head h1 { margin: 0; font-size: 2rem; line-height: 1.2; }
.site-head p { margin: 4px 0 0; color: var(--muted); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 24px 16px 48px; }
.narrow { max-width: 720px; }
.btn { display: inline-block; padding: 10px 18px; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-text); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; text-decoration: underline; cursor: pointer; }
.danger { color: var(--danger); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 28px; }
.panel h2 { margin: 0 0 8px; font-size: 1.2rem; }
label { display: block; margin: 14px 0 4px; font-weight: 600; }
label.check { font-weight: 400; display: flex; align-items: center; gap: 8px; }
.panel input:not([type=checkbox]), .panel textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font: inherit; }
.panel .btn { margin: 16px 12px 0 0; }
.notice, .error { padding: 10px 14px; border-radius: 8px; margin: 0 0 16px; }
.notice { background: var(--notice-bg); }
.error { background: var(--error-bg); color: var(--danger); }
.rows { list-style: none; margin: 0 0 24px; padding: 0; }
.rows li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin-bottom: 8px; }
.row-text { min-width: 0; flex: 1 1 280px; }
.url { display: block; font-size: .85rem; color: var(--muted); overflow-wrap: anywhere; }
.tag { font-size: .75rem; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; color: var(--muted); margin-left: 6px; }
.tag-autoplay { border-color: var(--accent); color: var(--accent); }
.row-actions { display: flex; align-items: center; gap: 14px; }