:root{color-scheme:dark;--bg:#080a0e;--surface:#11151b;--raised:#171c24;--line:rgba(255,255,255,.1);--text:#f5f7fa;--muted:#9199a7;--cyan:#67e8f9;--violet:#a78bfa;--coral:#fb7185;--lime:#a3e635;--gold:#f5c96a}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:radial-gradient(circle at 10% 12%,rgba(103,232,249,.07),transparent 28%),radial-gradient(circle at 87% 10%,rgba(245,201,106,.07),transparent 25%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,select,input{font:inherit}.app{min-height:100vh}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px clamp(20px,4vw,60px);border-bottom:1px solid 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