:root{--mct-bg: #101214;--mct-surface: #1a1d21;--mct-border: #2c3138;--mct-text: #e6e9ec;--mct-text-dim: #8b939e;--mct-accent: #4c9aff;--mct-radius: 10px;--mct-gap: 16px;color-scheme:dark}body{margin:0;background:var(--mct-bg);color:var(--mct-text);font-family:system-ui,sans-serif}