body{font-family:Arial,sans-serif;background:#f4f7fb;margin:0;color:#1f2937}.container{max-width:1200px;margin:auto;padding:20px}.card{background:#fff;border-radius:16px;padding:20px;margin-bottom:16px;border:1px solid #d7deea;box-shadow:0 4px 12px #0000000a}button{background:#2563eb;color:#fff;border:none;padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer}button:hover{opacity:.95}button:disabled{opacity:.55;cursor:not-allowed}input,textarea,select{width:100%;padding:10px;border-radius:10px;border:1px solid #d7deea;font-family:inherit;box-sizing:border-box;margin-top:8px}textarea{min-height:80px;resize:vertical}.option{padding:14px;border-radius:12px;border:1px solid #bfd3ff;background:#eef4ff;margin-top:10px;cursor:pointer;transition:all .15s ease}.option:hover{background:#dfeaff}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:10px 8px;border-bottom:1px solid #d7deea;text-align:left}.table th{font-weight:700}.stairsHost{display:flex;align-items:flex-end;gap:14px;overflow-x:auto;min-height:320px;padding:20px}.lane{min-width:72px;text-align:center;padding:8px;border:3px solid transparent;border-radius:14px;box-sizing:border-box;background:transparent;flex-shrink:0}.label{font-size:12px;font-weight:700;margin-bottom:8px}.steps{display:flex;flex-direction:column-reverse;gap:6px}.step{width:72px;height:34px;border-radius:8px;background:#e5e7eb;position:relative}.step.on{background:linear-gradient(90deg,#93c5fd,#2563eb)}.leader{border-color:#d97706;background:#fffaf3}.token{position:absolute;top:4px;left:4px;width:26px;height:26px;border-radius:50%;background:#1d4ed8;color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}@media (max-width: 900px){.container{padding:14px}.card{padding:16px}.stairsHost{min-height:260px;padding:16px}.lane{min-width:64px}.step{width:64px;height:32px}}