:root{--bg: #0b0d10;--fg: #e6e8eb;--muted: #8a93a0;--accent: #4ea1ff;--danger: #ef4444;--border: #1f242b;--card: #14181d;--input-bg: transparent;--success-bg: #0d2818;--success-fg: #3fb950;--danger-bg: #3a1717;--danger-fg: #f85149;color-scheme:dark}:root[data-theme=light]{--bg: #fafbfc;--fg: #1a1d22;--muted: #5b6573;--accent: #0969da;--danger: #cf222e;--border: #d0d7de;--card: #ffffff;--input-bg: #ffffff;--success-bg: #dafbe1;--success-fg: #1a7f37;--danger-bg: #ffebe9;--danger-fg: #cf222e;color-scheme:light}@media (prefers-color-scheme: light){:root:not([data-theme=dark]):not([data-theme=light]){--bg: #fafbfc;--fg: #1a1d22;--muted: #5b6573;--accent: #0969da;--danger: #cf222e;--border: #d0d7de;--card: #ffffff;--input-bg: #ffffff;--success-bg: #dafbe1;--success-fg: #1a7f37;--danger-bg: #ffebe9;--danger-fg: #cf222e;color-scheme:light}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,system-ui,sans-serif;background:var(--bg);color:var(--fg);transition:background-color .15s ease,color .15s ease}button{font-family:inherit;cursor:pointer}a{color:var(--accent)}.card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:1.25rem}:root[data-theme=light] input,:root[data-theme=light] select,:root[data-theme=light] textarea{background-color:#fff;color:#1a1d22}@media (prefers-color-scheme: light){:root:not([data-theme=dark]) input,:root:not([data-theme=dark]) select,:root:not([data-theme=dark]) textarea{background-color:#fff;color:#1a1d22}}