:root{--bg: #0b0c10;--text: #e8eaed;--muted: #aeb4bd;--panel: #141821;--border: #2a2f3a;--shadow: 0 10px 30px rgba(0, 0, 0, .25);--accent: #4f8cff;--accent-hover: #82aaff}@media(prefers-color-scheme:light){:root{--bg: #f7f8fb;--text: #0f172a;--muted: #475569;--panel: #ffffff;--border: #e5e7eb;--shadow: 0 8px 24px rgba(0, 0, 0, .06);--accent: #1f6feb;--accent-hover: #3b82f6}}html,body{height:100%}body{background:var(--bg)}