*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background:#0f0f1a;color:#e0e0f0;min-height:100vh}:root{--bg: #0f0f1a;--card: #16213e;--accent: #7c4dff;--teal: #00b8d4;--orange: #ffab40;--success: #43a047;--danger: #e53935;--text: #e0e0f0;--muted: #8888aa;--border: #2a2a4a}button{cursor:pointer;font-family:inherit}input,select{font-family:inherit}.btn{padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:600;transition:opacity .2s,transform .1s}.btn:hover{opacity:.85}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-secondary{background:var(--border);color:var(--text)}.btn-sm{padding:6px 12px;font-size:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}