*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#1a1a1f;--bg-card:#22222a;--bg-input:#2a2a34;--border:#33333d;--text-primary:#e8e8f0;--text-secondary:#9090a8;--text-tertiary:#5a5a72;--accent:#6b8cff;--success:#4ade80;--warning:#facc15;--danger:#f87171;--info:#60a5fa;font-size:14px}body{background:var(--bg);color:var(--text-primary);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}input[type=range]{appearance:none;background:var(--border);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:14px;height:14px}input[type=range]::-moz-range-thumb{background:var(--accent);cursor:pointer;border:none;border-radius:50%;width:14px;height:14px}