*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--surface: #1a1d27;--surface2: #252836;--border: #2e3147;--text: #e8eaf0;--text-muted: #6b7280;--p1: #3b82f6;--p1-light: rgba(59, 130, 246, .25);--p2: #ef4444;--p2-light: rgba(239, 68, 68, .25);--accent: #6366f1;--success: #22c55e;--warning: #f59e0b;--radius: 8px}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5;min-height:100dvh}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;padding:10px 20px;transition:opacity .15s,transform .1s}button:active{transform:scale(.97)}button:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){opacity:.88}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:var(--p2);color:#fff}.btn-danger:hover:not(:disabled){opacity:.85}input,select{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px;padding:10px 14px;width:100%;outline:none;transition:border-color .15s}input:focus,select:focus{border-color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.page{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:16px}.error-msg{color:var(--p2);font-size:13px;margin-top:8px}@keyframes timerPulse{0%,to{transform:scale(1);box-shadow:0 0 #ef444400}50%{transform:scale(1.1);box-shadow:0 0 0 6px #ef444440}}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}