:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #111;
  --muted: #666;
  --line: #e2e2e2;
  --panel: #fff;
  --accent: #111;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f0f10; --fg: #f2f2f2; --muted: #a0a0a5; --line: #2a2a2d; --panel: #171719; --accent: #f2f2f2; }
}
* { box-sizing: border-box; }
body { margin: 0; padding: 0 16px 48px; background: var(--bg); color: var(--fg); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
code, pre, textarea { font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.hero { max-width: 1040px; margin: 0 auto; padding: 48px 0 24px; }
.hero h1 { margin: 0; font-size: 40px; letter-spacing: -0.02em; }
.tagline { margin: 6px 0 14px; font-size: 18px; color: var(--muted); }
.meta { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin: 0; }
.chip { display: inline-flex; align-items: center; padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--fg); text-decoration: none; font: inherit; font-weight: 600; cursor: pointer; }
.chip.install code { font-size: 0.93em; font-weight: 500; }
.icon { width: 15px; height: 15px; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.chip .icon { margin-left: 8px; }
.snippet { position: relative; cursor: pointer; }
.snippet pre { padding-right: 40px; }
.snippet .copy { position: absolute; top: 6px; right: 6px; padding: 6px; line-height: 0; background: none; border: 0; }
.snippet:hover pre { border-color: var(--fg); }
.snippet:hover .icon { stroke: var(--fg); }
.chip:hover { border-color: var(--fg); }
.chip .count:not(:empty)::before { content: "\00b7"; margin: 0 6px; color: var(--muted); }
.grid { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.panel { min-width: 0; padding: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.panel.wide { grid-column: 1 / -1; }
.panel h2 { margin: 0 0 12px; font-size: 16px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.panel h3 { margin: 20px 0 8px; font-size: 14px; }
fieldset { margin: 0 0 14px; padding: 0; border: 0; }
legend { padding: 0; margin-bottom: 6px; font-weight: 600; }
.row { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
label { display: inline-flex; gap: 6px; align-items: center; }
select { padding: 4px 6px; font: inherit; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: inherit; }
input[type="number"] { width: 5.5em; padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: inherit; }
.positions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; max-width: 320px; }
.positions button[aria-pressed="true"] { background: var(--accent); color: var(--bg); }
.buttons { display: flex; flex-wrap: wrap; gap: 8px; }
button { padding: 8px 12px; font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
button:hover { border-color: var(--fg); }
button.secondary { color: var(--muted); }
pre { margin: 0; padding: 12px; overflow: auto; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; white-space: pre-wrap; overflow-wrap: anywhere; }

/* CSS editor: a highlighted layer under a transparent textarea, same metrics. */
.editor { position: relative; margin-bottom: 10px; }
.editor pre, .editor textarea { margin: 0; padding: 12px; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; overflow-wrap: anywhere; tab-size: 2; border: 1px solid var(--line); border-radius: 8px; }
.editor pre { position: absolute; inset: 0; overflow: hidden; pointer-events: none; background: var(--bg); color: var(--fg); }
.editor textarea { position: relative; display: block; width: 100%; resize: vertical; background: transparent; color: transparent; caret-color: var(--fg); }
.editor textarea::selection { background: rgba(120, 140, 255, 0.35); }
.editor textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.t-kw { color: #c678dd; }
.t-str { color: #98c379; }
.t-num { color: #d19a66; }
.t-fn { color: #61afef; }
.t-com { color: var(--muted); font-style: italic; }
.t-prop { color: #56b6c2; }
.t-sel { color: #e5c07b; }
.t-pun { color: var(--muted); }
@media (prefers-color-scheme: light) {
  .t-kw { color: #a626a4; } .t-str { color: #50a14f; } .t-num { color: #986801; } .t-fn { color: #4078f2; } .t-prop { color: #0184bc; } .t-sel { color: #c18401; }
}
.foot { max-width: 1040px; margin: 32px auto 0; color: var(--muted); font-size: 14px; }
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; } .hero { padding-top: 28px; } .hero h1 { font-size: 32px; } }

/* A third theme that the library knows nothing about: only variables. */
.tk[data-theme="mono"] {
  --tk-bg: #000;
  --tk-fg: #fff;
  --tk-muted: #9a9a9a;
  --tk-border: #fff;
  --tk-shadow: none;
  --tk-radius: 0;
  --tk-font: ui-monospace, SFMono-Regular, Menlo, monospace;
  --tk-success: #fff;
  --tk-error: #fff;
  --tk-warning: #fff;
  --tk-info: #fff;
  --tk-action-bg: #fff;
  --tk-action-fg: #000;
}
.tk[data-theme="mono"] .tk-icon::before { color: #000; }