:root{font-family:Montserrat,Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#1f1f1f;background-color:#fff;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;background:#fff}.form-shell{max-width:480px;margin:20px auto;padding:8px 14px}.tn-wrap{width:100%}.tn-title{margin:0 0 12px}.tn-form{display:flex;flex-direction:column;gap:14px}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:14px;color:#1f1f1f}.radio-group{display:flex;gap:20px;align-items:center}.radio-item{display:flex;align-items:center;gap:6px;font-size:14px}.form-control{width:100%;box-sizing:border-box}.input-text{height:44px;padding:10px 12px;font-size:15px;border:1px solid #c8c8c8;border-radius:4px;transition:border-color .15s,box-shadow .15s}.input-text:focus{outline:none;border-color:#7aa7df;box-shadow:0 0 0 2px #7aa7df40}.field-column{display:flex;flex-direction:column;gap:4px}.helper-text{font-size:12px;color:#555}.password-wrapper{position:relative;display:flex;align-items:center}.password-toggle{position:absolute;right:8px;background:none;border:none;color:#4a7cbf;font-size:12px;cursor:pointer;padding:4px 6px}.password-toggle:disabled{opacity:.6;cursor:not-allowed}.btn-submit{width:100%;height:46px;background:#4a7cbf;color:#fff;border:1px solid #4a7cbf;border-radius:4px;cursor:pointer;font-size:16px;font-weight:600;transition:background .15s,border-color .15s,transform .1s}.btn-submit:hover:not(:disabled){background:#3d6eaf;border-color:#3d6eaf}.btn-submit:active:not(:disabled){transform:translateY(1px)}.btn-submit:disabled{opacity:.75;cursor:not-allowed}.alert{margin-top:8px;padding:10px 12px;border-radius:4px;border:1px solid transparent;font-size:14px}.alert-success{background:#e8f5e9;border-color:#b6e0c4;color:#1b5e20}.alert-warning{background:#fff7e6;border-color:#f3d7a3;color:#8a5a12}.alert-error{background:#fdecea;border-color:#f5c2c7;color:#842029}@media(max-width:640px){.form-shell{margin:12px auto;padding:8px 12px}.radio-group{gap:16px}}