:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--bg-color: #f8fafc;--card-bg: #ffffff;--text-main: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--input-focus-ring: rgba(37, 99, 235, .2);--error-color: #ef4444;--radius: 8px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh}#root{display:flex;flex-direction:column;min-height:100vh;justify-content:center;align-items:center;padding:1rem}.app-container{width:100%;max-width:100%}.form-card{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);width:100%;margin:0 auto}.form-title{font-size:1.5rem;font-weight:700;margin:0 0 1.5rem;text-align:center;color:var(--text-main)}.modern-form{display:flex;flex-direction:column;gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-size:.9rem;font-weight:500;color:var(--text-main);display:flex;align-items:center}.required{color:var(--error-color);margin-left:.25rem}.form-input{width:100%;padding:.75rem;font-size:1rem;border:1px solid var(--border-color);border-radius:var(--radius);background-color:#fff;color:var(--text-main);transition:border-color .2s,box-shadow .2s}.form-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px var(--input-focus-ring)}.form-input::placeholder{color:#94a3b8}.form-actions{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.btn{display:inline-flex;justify-content:center;align-items:center;padding:.75rem 1.5rem;border:none;border-radius:var(--radius);font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease-in-out;width:100%}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:active{background-color:var(--primary-hover);transform:translateY(1px)}.btn-secondary{background-color:#fff;color:var(--text-secondary);border:1px solid var(--border-color)}.btn-secondary:active{background-color:#f1f5f9}@media(min-width:640px){#root{padding:2rem}.app-container{max-width:480px}.form-card{padding:2.5rem;box-shadow:var(--shadow-md)}.form-title{font-size:1.75rem;margin-bottom:2rem}.form-actions{flex-direction:row;margin-top:1.5rem}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-secondary:hover{background-color:#f1f5f9;color:var(--text-main)}}