:root {
    color-scheme: dark light;
    --font-main: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --bg: #11131a;
    --bg-soft: #171a22;
    --surface: rgba(255, 255, 255, 0.08);
    --surface-strong: rgba(255, 255, 255, 0.13);
    --text: #f6f7fb;
    --muted: rgba(246, 247, 251, 0.68);
    --line: rgba(255, 255, 255, 0.14);
    --accent: #48e0c2;
    --accent-2: #f7be55;
    --accent-3: #ff7d7d;
    --accent-4: #88a7ff;
    --shadow: rgba(0, 0, 0, 0.28);
    --glass-fallback-bg: rgba(24, 28, 36, 0.94);
    --radius-card: 8px;
    --nav-height: 72px;
    --content-max: 720px;
    --tap-size: 48px;
    --transition: 220ms cubic-bezier(.2, .8, .2, 1);
}

body.theme-light {
    --bg: #f7f8fb;
    --bg-soft: #eef2f4;
    --surface: rgba(255, 255, 255, 0.78);
    --surface-strong: rgba(255, 255, 255, 0.92);
    --text: #131720;
    --muted: rgba(19, 23, 32, 0.64);
    --line: rgba(19, 23, 32, 0.12);
    --shadow: rgba(28, 38, 45, 0.16);
    --glass-fallback-bg: rgba(252, 253, 255, 0.94);
}