:root{--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--line-height: 1.5;--font-weight: 400;--color-primary: #646cff;--color-primary-hover: #535bf2;--color-bg: #f9fafb;--color-text: #1f2937;--color-card-bg: #ffffff;--color-border: #e5e7eb;--color-input-bg: #f3f4f6;--color-error: #ef4444;font-family:var(--font-family);line-height:var(--line-height);font-weight:var(--font-weight);color:var(--color-text);background-color:var(--color-bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;display:flex;justify-content:center;align-items:center;padding:1rem}#root{width:100%;max-width:1280px;margin:0 auto}.container{width:100%;max-width:600px;margin:0 auto;padding:2rem;background:var(--color-card-bg);border-radius:12px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}h1{font-size:1.875rem;line-height:2.25rem;font-weight:700;color:#111827;margin-bottom:1.5rem;text-align:center}.form-group{margin-bottom:1.25rem}label{display:block;font-size:.875rem;font-weight:500;color:#374151;margin-bottom:.5rem}input,select{width:100%;padding:.75rem 1rem;background-color:var(--color-input-bg);border:1px solid var(--color-border);border-radius:.5rem;font-size:1rem;color:var(--color-text);transition:all .2s ease}input:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #646cff1a;background-color:#fff}button{width:100%;padding:.75rem 1.5rem;background-color:var(--color-primary);color:#fff;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s;margin-top:1rem}button:hover{background-color:var(--color-primary-hover)}button:disabled{background-color:#9ca3af;cursor:not-allowed}.error-message{color:var(--color-error);font-size:.875rem;margin-top:.25rem}.radio-group{display:flex;gap:1.5rem;margin-top:.5rem}.radio-option{display:flex;align-items:center;gap:.5rem}.radio-option input{width:auto}@media(max-width:640px){.container{padding:1.5rem}h1{font-size:1.5rem}}