.sms-method-switch { display: flex; gap: 20px; margin: 0 0 18px; padding: 0; border: 0; font-size: 14px; }
.sms-method-switch[hidden], .sms-section[hidden], .sms-error[hidden] { display: none; }
.sms-method-switch label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.sms-method-switch input { width: 16px; height: 16px; margin: 0; accent-color: #2563eb; }
.sms-section { display: grid; gap: 12px; margin-bottom: 12px; min-width: 0; }
.sms-field { display: grid; gap: 6px; min-width: 0; font-size: 14px; }
.sms-field input { box-sizing: border-box; width: 100%; min-width: 0; height: 44px; padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 6px; background: #fff; color: #1d1d1f; font-size: 14px; }
.sms-field input:focus { outline: 2px solid #2563eb; outline-offset: 1px; }
.sms-inline { display: grid; grid-template-columns: minmax(0, 1fr) 116px; align-items: end; gap: 10px; }
.sms-section button { box-sizing: border-box; height: 44px; padding: 8px; border: 1px solid #d1d5db; border-radius: 6px; background: #f3f4f6; color: #374151; font-size: 13px; cursor: pointer; }
.sms-section button:disabled { cursor: wait; opacity: .6; }
.sms-error { margin: 0; color: #dc2626; font-size: 13px; line-height: 1.5; }