:root { color-scheme: light dark; --on-accent: #fff; --bg: #ffffff; --fg: #1a1a1a; --muted: #5f5f6b; --accent: #7c3aed; --danger: #c62828; --card: #f5f3ff; }
@media (prefers-color-scheme: dark) {
  :root { --on-accent: #121212; --bg: #121212; --fg: #ececec; --muted: #a3a3b0; --accent: #a78bfa; --danger: #ef9a9a; --card: #1e1b2e; }
}
* { box-sizing: border-box; }
body { background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, sans-serif; max-width: 720px; margin: 0 auto; padding: 24px 16px; }
h1, h2 { line-height: 1.25; }
a { color: var(--accent); }
nav { margin-bottom: 24px; font-size: 14px; }
nav a { margin-right: 12px; }
.muted { color: var(--muted); font-size: 14px; }
.card { background: var(--card); border-radius: 12px; padding: 16px; margin: 16px 0; }
button { font: inherit; border: 0; border-radius: 999px; padding: 10px 20px; cursor: pointer; background: var(--accent); color: var(--on-accent); }
button.danger { background: var(--danger); }
button:disabled { opacity: .5; cursor: not-allowed; }
input[type=text] { font: inherit; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--muted); background: transparent; color: var(--fg); width: 100%; max-width: 240px; }
th { text-align: left; }
[hidden] { display: none !important; }