input{color:#fff;box-sizing:border-box;background:#1f2937;border:1px solid #374151;border-radius:6px;width:100%;padding:.75rem}button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:6px;width:100%;margin-top:1rem;padding:.85rem;font-weight:700}button:hover{background:#1d4ed8}h2{text-align:center;margin:0 0 .5rem;font-size:1.5rem}.subtitle{color:#9ca3af;text-align:center;margin-bottom:2rem;font-size:.9rem}.input-group{margin-bottom:1.25rem}label{color:#d1d5db;margin-bottom:.4rem;font-size:.85rem;display:block}.error-msg{color:#ef4444;margin-top:.5rem;font-size:.85rem}