:root{color-scheme:dark;--bg: #0e0f13;--surface: #171922;--text: #e6e8ef;--muted: #9aa0b0;--warning: #e0a34a;--danger: #d9534f;--success: #5aa76f}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,sans-serif}