:root{--dk-bg:#1a1a2e;--dk-surface:#16213e;--dk-surface-alt:#1e2e4a;--dk-input:#0f1828;--dk-text:#e0e0e0;--dk-text-dim:#b0bec5;--dk-text-muted:#89b;--dk-text-soft:#94a3b8;--dk-text-faint:#a0b0c8;--dk-placeholder:#6b7280;--dk-border:#2a3a5c;--dk-accent:#4a90d9}*{box-sizing:border-box}html,body{background:var(--dk-bg);min-height:100%;color:var(--dk-text);-webkit-text-size-adjust:100%;margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}button{-webkit-tap-highlight-color:transparent;font-family:inherit}