:root {
  color-scheme: light dark;
  --fg: #1b1b1b; --bg: #ffffff; --muted: #6b6b6b; --line: #dcdcdc; --panel: #f6f6f6;
  --accent: #0b6bcb; --accent-fg: #ffffff; --warn: #a15c00;
  --nh: #cb9dff; --sh: #f3b95e; --l100: #55c7f4;
}
@media (prefers-color-scheme: dark) {
  :root { --fg: #ececec; --bg: #121212; --muted: #a3a3a3; --line: #2e2e2e; --panel: #1b1b1b; --accent: #5aa9ff; --accent-fg: #0b0b0b; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); padding: 0 16px 24px; }
a { color: var(--accent); }
header.top { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); margin: 0 -16px 12px; padding: 10px 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
header.top h1 { font-size: 17px; margin: 0; font-weight: 650; }
header.top .exp { font-size: 12px; color: var(--warn); border: 1px solid var(--warn); border-radius: 4px; padding: 1px 6px; }
nav.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
nav.tabs a { text-decoration: none; padding: 6px 10px; border-radius: 6px; color: var(--fg); font-size: 14px; }
nav.tabs a[aria-current="page"] { background: var(--accent); color: var(--accent-fg); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--panel); color: var(--fg); padding: 8px 12px; font: inherit; cursor: pointer; min-width: 44px; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-fg); }
.seg button + button { border-left: 1px solid var(--line); }
select, button.plain, input[type=search] { font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--fg); }
button.plain { cursor: pointer; }
.viewer img { width: 100%; height: auto; display: block; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); aspect-ratio: 3 / 2; }
.viewer .ctl { display: grid; grid-template-columns: auto 1fr auto auto; gap: 8px; align-items: center; margin-top: 8px; }
.viewer input[type=range] { width: 100%; }
.caption { font-size: 13px; color: var(--muted); margin-top: 4px; display: flex; gap: 12px; flex-wrap: wrap; }
.caption b { color: var(--fg); font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: var(--panel); }
.card h2, section h2 { font-size: 15px; margin: 0 0 8px; }
.card img { width: 100%; height: auto; display: block; border-radius: 6px; }
.list { display: flex; flex-direction: column; gap: 6px; }
.list button { text-align: left; width: 100%; border: 1px solid var(--line); background: var(--panel); color: var(--fg); border-radius: 8px; padding: 10px; font: inherit; cursor: pointer; }
.list button[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 3px 0 0 var(--accent); }
.list small { display: block; color: var(--muted); }
.status { color: var(--muted); font-size: 13px; }
.chart svg { width: 100%; height: auto; display: block; }
.hidden { display: none !important; }
@media (max-width: 480px) { header.top h1 { font-size: 15px; } nav.tabs a { padding: 6px 8px; font-size: 13px; } }