/**
 * Flex SMS - Frontend Form Styles
 * 
 * @package Flex_SMS
 */

/* ============================================================================
   Form Container
   ============================================================================ */

.flexsms-form-wrapper {
  max-width: 480px;
  margin: 0 auto;
  padding: 32px;
  border-radius: 12px;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.06);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  box-sizing: border-box;
}

.flexsms-form-wrapper *,
.flexsms-form-wrapper *::before,
.flexsms-form-wrapper *::after {
  box-sizing: border-box;
}

/* ============================================================================
   Title
   ============================================================================ */

.flexsms-form-title {
  font-size: 1.375rem;
  font-weight: 600;
  margin: 0 0 24px 0;
  line-height: 1.3;
}

/* ============================================================================
   Form Groups
   ============================================================================ */

.flexsms-form-group {
  margin-bottom: 16px;
}

.flexsms-form-group:last-child {
  margin-bottom: 0;
}

.flexsms-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 480px) {
  .flexsms-form-row {
    grid-template-columns: 1fr;
  }
}

.flexsms-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
  margin-bottom: 6px;
}

.flexsms-required {
  color: #ef4444;
}

/* ============================================================================
   Inputs
   ============================================================================ */

.flexsms-form-wrapper input[type="text"],
.flexsms-form-wrapper input[type="email"],
.flexsms-form-wrapper input[type="tel"] {
  width: 100%;
  height: 44px;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: #1f2937;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
  outline: none;
}

.flexsms-form-wrapper input[type="text"]:focus,
.flexsms-form-wrapper input[type="email"]:focus,
.flexsms-form-wrapper input[type="tel"]:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.flexsms-form-wrapper input::placeholder {
  color: #9ca3af;
}

/* ============================================================================
   Checkbox / Consent
   ============================================================================ */

.flexsms-consent-group {
  margin-top: 20px;
}

.flexsms-checkbox-label {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400 !important;
  cursor: pointer;
}

.flexsms-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: #2563eb;
  cursor: pointer;
  flex-shrink: 0;
}

.flexsms-checkbox-label span {
  font-size: 13px;
  line-height: 1.5;
  color: #6b7280;
}

/* ============================================================================
   Submit Button
   ============================================================================ */

.flexsms-submit-btn {
  display: block;
  width: 100%;
  height: 48px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 48px;
  text-align: center;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition:
    opacity 150ms ease,
    transform 150ms ease;
  margin-top: 8px;
}

.flexsms-submit-btn:hover {
  opacity: 0.9;
}

.flexsms-submit-btn:active {
  transform: scale(0.98);
}

.flexsms-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ============================================================================
   Messages
   ============================================================================ */

.flexsms-form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.flexsms-message-text {
  font-weight: 500;
}

.flexsms-form-message.flexsms-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.flexsms-form-message.flexsms-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.flexsms-debug-details {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(153, 27, 27, 0.16);
}

.flexsms-debug-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.flexsms-debug-list {
  margin: 0;
  padding-left: 18px;
}

.flexsms-debug-item {
  margin: 0 0 4px;
  font-size: 12px;
  line-height: 1.45;
  word-break: break-word;
}

/* ============================================================================
   Error States
   ============================================================================ */

.flexsms-form-wrapper input.flexsms-input-error {
  border-color: #ef4444;
}

.flexsms-form-wrapper input.flexsms-input-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.flexsms-field-error {
  font-size: 12px;
  color: #ef4444;
  margin-top: 4px;
}

/* ============================================================================
   Loading spinner
   ============================================================================ */

.flexsms-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: flexsms-spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

@keyframes flexsms-spin {
  to {
    transform: rotate(360deg);
  }
}