/**
 * Simple Sheets Form - Frontend Styles
 * 
 * Professional, plug-and-play form styling
 * Works out of the box with any theme
 * 
 * @package Simple_Sheets_Form
 */

/* =====================================================
   CSS Variables for Easy Customization
   ===================================================== */
.ssf-form-wrapper {
  --ssf-primary-color: #2563eb;
  --ssf-primary-hover: #1d4ed8;
  --ssf-primary-light: rgba(37, 99, 235, 0.1);
  --ssf-text-color: #1f2937;
  --ssf-text-muted: #6b7280;
  --ssf-border-color: #d1d5db;
  --ssf-border-focus: #2563eb;
  --ssf-bg-color: #ffffff;
  --ssf-bg-input: #ffffff;
  --ssf-bg-light: #f9fafb;
  --ssf-success-color: #059669;
  --ssf-success-bg: #d1fae5;
  --ssf-success-border: #a7f3d0;
  --ssf-error-color: #dc2626;
  --ssf-error-bg: #fee2e2;
  --ssf-error-border: #fecaca;
  --ssf-radius: 8px;
  --ssf-radius-sm: 6px;
  --ssf-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --ssf-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --ssf-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --ssf-transition: all 0.2s ease;
}

/* =====================================================
   Form Wrapper & Container
   ===================================================== */
.ssf-form-wrapper {
  max-width: 580px;
  margin: 0 auto;
  padding: 20px;
  font-family: var(--ssf-font-family);
  line-height: 1.6;
  color: var(--ssf-text-color);
  box-sizing: border-box;
}

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

/* =====================================================
   Form Container
   ===================================================== */
.ssf-form {
  background: var(--ssf-bg-color);
  padding: 32px;
  border-radius: var(--ssf-radius);
  box-shadow: var(--ssf-shadow);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

/* =====================================================
   Field Container
   ===================================================== */
.ssf-field {
  margin-bottom: 24px;
}

.ssf-field:last-child {
  margin-bottom: 0;
}

/* Submit field alignment */
.ssf-field-submit {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--ssf-border-color);
}

/* =====================================================
   Labels
   ===================================================== */
.ssf-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ssf-text-color);
  letter-spacing: -0.01em;
}

/* Required Indicator */
.ssf-required {
  color: var(--ssf-error-color);
  margin-left: 3px;
  font-weight: 500;
}

/* =====================================================
   Input Fields - Base Styles
   ===================================================== */
.ssf-form input[type="text"],
.ssf-form input[type="email"],
.ssf-form input[type="tel"],
.ssf-form input[type="url"],
.ssf-form input[type="number"],
.ssf-form input[type="date"],
.ssf-form input[type="time"],
.ssf-form input[type="datetime-local"],
.ssf-form input[type="password"],
.ssf-form select,
.ssf-form textarea {
  display: block;
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  font-weight: 400;
  line-height: 1.5;
  color: var(--ssf-text-color);
  background-color: var(--ssf-bg-input);
  border: 2px solid var(--ssf-border-color);
  border-radius: var(--ssf-radius-sm);
  transition: var(--ssf-transition);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

/* Placeholder styling */
.ssf-form input::placeholder,
.ssf-form textarea::placeholder {
  color: var(--ssf-text-muted);
  opacity: 0.7;
}

/* Focus States */
.ssf-form input[type="text"]:focus,
.ssf-form input[type="email"]:focus,
.ssf-form input[type="tel"]:focus,
.ssf-form input[type="url"]:focus,
.ssf-form input[type="number"]:focus,
.ssf-form input[type="date"]:focus,
.ssf-form input[type="time"]:focus,
.ssf-form input[type="datetime-local"]:focus,
.ssf-form input[type="password"]:focus,
.ssf-form select:focus,
.ssf-form textarea:focus {
  outline: none;
  border-color: var(--ssf-border-focus);
  box-shadow: 0 0 0 4px var(--ssf-primary-light);
}

/* Hover States */
.ssf-form input[type="text"]:hover:not(:focus),
.ssf-form input[type="email"]:hover:not(:focus),
.ssf-form input[type="tel"]:hover:not(:focus),
.ssf-form input[type="url"]:hover:not(:focus),
.ssf-form input[type="number"]:hover:not(:focus),
.ssf-form input[type="date"]:hover:not(:focus),
.ssf-form input[type="time"]:hover:not(:focus),
.ssf-form input[type="datetime-local"]:hover:not(:focus),
.ssf-form input[type="password"]:hover:not(:focus),
.ssf-form select:hover:not(:focus),
.ssf-form textarea:hover:not(:focus) {
  border-color: #9ca3af;
}

/* =====================================================
   Textarea
   ===================================================== */
.ssf-form textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

/* =====================================================
   Select Dropdown
   ===================================================== */
.ssf-form select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='%236b7280'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 44px;
  cursor: pointer;
}

.ssf-form select:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='%232563eb'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
}

/* =====================================================
   Checkbox
   ===================================================== */
.ssf-field-checkbox {
  padding: 16px;
  background: var(--ssf-bg-light);
  border-radius: var(--ssf-radius-sm);
  border: 1px solid transparent;
  transition: var(--ssf-transition);
}

.ssf-field-checkbox:hover {
  border-color: var(--ssf-border-color);
}

.ssf-checkbox-label {
  display: flex !important;
  align-items: flex-start;
  gap: 12px;
  font-weight: 400 !important;
  cursor: pointer;
  line-height: 1.5;
  margin: 0 !important;
  font-size: 14px;
}

.ssf-form input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--ssf-primary-color);
  border: 2px solid var(--ssf-border-color);
  border-radius: 4px;
}

/* =====================================================
   Radio Buttons
   ===================================================== */
.ssf-field-radio {
  padding: 4px 0;
}

.ssf-radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.ssf-radio-label {
  display: flex !important;
  align-items: center;
  gap: 12px;
  font-weight: 400 !important;
  cursor: pointer;
  padding: 12px 16px;
  background: var(--ssf-bg-light);
  border-radius: var(--ssf-radius-sm);
  border: 2px solid transparent;
  transition: var(--ssf-transition);
  font-size: 14px;
  margin: 0 !important;
}

.ssf-radio-label:hover {
  border-color: var(--ssf-border-color);
  background: var(--ssf-bg-color);
}

.ssf-radio-label:has(input:checked) {
  border-color: var(--ssf-primary-color);
  background: var(--ssf-primary-light);
}

.ssf-form input[type="radio"] {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--ssf-primary-color);
}

/* =====================================================
   File Input
   ===================================================== */
.ssf-form input[type="file"] {
  display: block;
  width: 100%;
  padding: 20px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ssf-text-muted);
  background: var(--ssf-bg-light);
  border: 2px dashed var(--ssf-border-color);
  border-radius: var(--ssf-radius-sm);
  cursor: pointer;
  transition: var(--ssf-transition);
  text-align: center;
}

.ssf-form input[type="file"]:hover {
  border-color: var(--ssf-primary-color);
  background: var(--ssf-primary-light);
}

.ssf-form input[type="file"]:focus {
  outline: none;
  border-color: var(--ssf-primary-color);
  box-shadow: 0 0 0 4px var(--ssf-primary-light);
}

.ssf-field-note {
  margin: 8px 0 0 0;
  font-size: 12px;
  color: var(--ssf-text-muted);
}

/* =====================================================
   Submit Button
   ===================================================== */
.ssf-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1;
  color: #ffffff;
  background: var(--ssf-primary-color);
  border: none;
  border-radius: var(--ssf-radius-sm);
  cursor: pointer;
  transition: var(--ssf-transition);
  text-transform: none;
  letter-spacing: -0.01em;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
}

.ssf-submit-btn:hover {
  background: var(--ssf-primary-hover);
  box-shadow: var(--ssf-shadow);
  transform: translateY(-1px);
}

.ssf-submit-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.ssf-submit-btn:focus {
  outline: none;
  box-shadow: 0 0 0 4px var(--ssf-primary-light);
}

.ssf-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.ssf-submit-btn.ssf-loading {
  pointer-events: none;
}

/* =====================================================
   Loading Spinner
   ===================================================== */
.ssf-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ssf-spin 0.7s linear infinite;
}

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

.ssf-btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* =====================================================
   Success & Error Messages
   ===================================================== */
.ssf-message {
  padding: 16px 20px;
  border-radius: var(--ssf-radius-sm);
  margin-top: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.5;
  animation: ssf-fade-in 0.3s ease;
}

@keyframes ssf-fade-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ssf-message-icon {
  font-size: 18px;
  font-weight: bold;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.ssf-message-success {
  background: var(--ssf-success-bg);
  color: var(--ssf-success-color);
  border: 1px solid var(--ssf-success-border);
}

.ssf-message-success .ssf-message-icon {
  color: var(--ssf-success-color);
}

.ssf-message-error {
  background: var(--ssf-error-bg);
  color: var(--ssf-error-color);
  border: 1px solid var(--ssf-error-border);
}

.ssf-message-error .ssf-message-icon {
  color: var(--ssf-error-color);
}

/* =====================================================
   Error State for Fields
   ===================================================== */
.ssf-error {
  color: var(--ssf-error-color);
  background: var(--ssf-error-bg);
  padding: 16px 20px;
  border-radius: var(--ssf-radius-sm);
  border: 1px solid var(--ssf-error-border);
  font-size: 14px;
}

/* Validation Styles */
.ssf-form input:invalid:not(:placeholder-shown):not(:focus),
.ssf-form textarea:invalid:not(:placeholder-shown):not(:focus),
.ssf-form select:invalid:not(:focus) {
  border-color: var(--ssf-error-color);
}

.ssf-form input:invalid:not(:placeholder-shown):focus,
.ssf-form textarea:invalid:not(:placeholder-shown):focus,
.ssf-form select:invalid:focus {
  border-color: var(--ssf-error-color);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

/* =====================================================
   Status Message (Toast - non-AJAX fallback)
   ===================================================== */
.ssf-status-message {
  position: fixed;
  top: 24px;
  right: 24px;
  padding: 16px 24px;
  border-radius: var(--ssf-radius-sm);
  z-index: 99999;
  animation: ssf-slide-in 0.3s ease;
  box-shadow: var(--ssf-shadow-lg);
  font-family: var(--ssf-font-family);
  font-size: 14px;
  font-weight: 500;
}

.ssf-status-success {
  background: var(--ssf-success-bg);
  color: var(--ssf-success-color);
  border: 1px solid var(--ssf-success-border);
}

.ssf-status-error {
  background: var(--ssf-error-bg);
  color: var(--ssf-error-color);
  border: 1px solid var(--ssf-error-border);
}

@keyframes ssf-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* =====================================================
   Redirect Countdown
   ===================================================== */
.ssf-redirect-countdown {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 13px;
  opacity: 0.9;
}

.ssf-countdown-num {
  font-weight: 700;
  display: inline-block;
  min-width: 20px;
  text-align: center;
}

/* =====================================================
   WhatsApp Notice
   ===================================================== */
.ssf-message-success .ssf-wa-notice {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 13px;
}

.ssf-message-success .ssf-wa-notice a {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media screen and (max-width: 640px) {
  .ssf-form-wrapper {
    padding: 16px;
  }

  .ssf-form {
    padding: 24px 20px;
  }

  .ssf-form label {
    font-size: 13px;
  }

  .ssf-form input[type="text"],
  .ssf-form input[type="email"],
  .ssf-form input[type="tel"],
  .ssf-form input[type="url"],
  .ssf-form input[type="number"],
  .ssf-form input[type="date"],
  .ssf-form input[type="time"],
  .ssf-form input[type="datetime-local"],
  .ssf-form input[type="password"],
  .ssf-form select,
  .ssf-form textarea {
    padding: 12px 14px;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .ssf-submit-btn {
    padding: 14px 24px;
    font-size: 15px;
  }

  .ssf-field-checkbox {
    padding: 14px;
  }

  .ssf-radio-label {
    padding: 10px 14px;
  }

  .ssf-status-message {
    left: 16px;
    right: 16px;
    top: 16px;
  }
}

/* =====================================================
   Print Styles
   ===================================================== */
@media print {
  .ssf-form-wrapper {
    max-width: none;
    padding: 0;
  }

  .ssf-form {
    box-shadow: none;
    border: 1px solid #ddd;
  }

  .ssf-submit-btn,
  .ssf-message {
    display: none;
  }
}

/* =====================================================
   Dark Mode Support (optional - respects system preference)
   ===================================================== */
@media (prefers-color-scheme: dark) {
  .ssf-form-wrapper.ssf-auto-dark {
    --ssf-text-color: #f3f4f6;
    --ssf-text-muted: #9ca3af;
    --ssf-border-color: #4b5563;
    --ssf-bg-color: #1f2937;
    --ssf-bg-input: #374151;
    --ssf-bg-light: #374151;
  }
}

/* =====================================================
   Theme Variants (add class to wrapper)
   ===================================================== */

/* Rounded variant */
.ssf-form-wrapper.ssf-rounded {
  --ssf-radius: 16px;
  --ssf-radius-sm: 12px;
}

/* Flat variant (no shadows) */
.ssf-form-wrapper.ssf-flat .ssf-form {
  box-shadow: none;
  border: 2px solid var(--ssf-border-color);
}

/* Minimal variant */
.ssf-form-wrapper.ssf-minimal .ssf-form {
  background: transparent;
  box-shadow: none;
  padding: 0;
  border: none;
}

/* Compact variant */
.ssf-form-wrapper.ssf-compact .ssf-form {
  padding: 20px;
}

.ssf-form-wrapper.ssf-compact .ssf-field {
  margin-bottom: 16px;
}

.ssf-form-wrapper.ssf-compact .ssf-form input,
.ssf-form-wrapper.ssf-compact .ssf-form select,
.ssf-form-wrapper.ssf-compact .ssf-form textarea {
  padding: 10px 12px;
  font-size: 14px;
}

/* =====================================================
   CSS Grid Layout System (12-column)
   ===================================================== */
.ssf-form-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--ssf-row-gap, 24px) var(--ssf-column-gap, 16px);
}

/* Column width classes */
.ssf-col-1 {
  grid-column: span 1;
}
.ssf-col-2 {
  grid-column: span 2;
}
.ssf-col-3 {
  grid-column: span 3;
}
.ssf-col-4 {
  grid-column: span 4;
}
.ssf-col-5 {
  grid-column: span 5;
}
.ssf-col-6 {
  grid-column: span 6;
}
.ssf-col-7 {
  grid-column: span 7;
}
.ssf-col-8 {
  grid-column: span 8;
}
.ssf-col-9 {
  grid-column: span 9;
}
.ssf-col-10 {
  grid-column: span 10;
}
.ssf-col-11 {
  grid-column: span 11;
}
.ssf-col-12 {
  grid-column: span 12;
}

/* Responsive: Stack on mobile */
@media screen and (max-width: 640px) {
  .ssf-form-grid {
    display: block;
  }

  .ssf-form-grid .ssf-field {
    margin-bottom: var(--ssf-row-gap, 20px);
  }
}

/* =====================================================
   Label Position Classes
   ===================================================== */

/* Inline label (left of input) */
.ssf-field.ssf-label-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.ssf-field.ssf-label-inline > label {
  flex: 0 0 30%;
  margin-bottom: 0;
}

.ssf-field.ssf-label-inline > input,
.ssf-field.ssf-label-inline > select,
.ssf-field.ssf-label-inline > textarea {
  flex: 1;
  min-width: 150px;
}

/* Hidden label (visually hidden, accessible) */
.ssf-field.ssf-label-hidden
  > label:not(.ssf-checkbox-label):not(.ssf-radio-label):not(.ssf-group-label) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Group label styling */
.ssf-group-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
}

/* =====================================================
   Radio/Checkbox Orientation Classes
   ===================================================== */

/* Horizontal layout for radio groups */
.ssf-radio-horizontal {
  flex-direction: row !important;
  flex-wrap: wrap;
  gap: var(--ssf-option-gap, 12px) !important;
}

/* Vertical layout (default) */
.ssf-radio-vertical {
  flex-direction: column;
  gap: var(--ssf-option-gap, 12px);
}

/* Checkbox group layouts */
.ssf-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--ssf-option-gap, 12px);
  margin-top: 8px;
}

.ssf-checkbox-horizontal {
  flex-direction: row !important;
  flex-wrap: wrap;
}

.ssf-checkbox-vertical {
  flex-direction: column;
}

/* =====================================================
   Input Style Variants
   ===================================================== */

/* Bordered (default) - no additional styles needed */

/* Filled style */
.ssf-input-filled input[type="text"],
.ssf-input-filled input[type="email"],
.ssf-input-filled input[type="tel"],
.ssf-input-filled input[type="url"],
.ssf-input-filled input[type="number"],
.ssf-input-filled input[type="date"],
.ssf-input-filled input[type="time"],
.ssf-input-filled input[type="datetime-local"],
.ssf-input-filled input[type="password"],
.ssf-input-filled select,
.ssf-input-filled textarea {
  border: none;
  background-color: var(--ssf-bg-light);
  border-bottom: 2px solid var(--ssf-border-color);
  border-radius: var(--ssf-radius-sm) var(--ssf-radius-sm) 0 0;
}

.ssf-input-filled input:focus,
.ssf-input-filled select:focus,
.ssf-input-filled textarea:focus {
  border-bottom-color: var(--ssf-primary-color);
  box-shadow: none;
  background-color: var(--ssf-bg-input);
}

/* Underline style */
.ssf-input-underline input[type="text"],
.ssf-input-underline input[type="email"],
.ssf-input-underline input[type="tel"],
.ssf-input-underline input[type="url"],
.ssf-input-underline input[type="number"],
.ssf-input-underline input[type="date"],
.ssf-input-underline input[type="time"],
.ssf-input-underline input[type="datetime-local"],
.ssf-input-underline input[type="password"],
.ssf-input-underline select,
.ssf-input-underline textarea {
  border: none;
  border-radius: 0;
  border-bottom: 2px solid var(--ssf-border-color);
  padding-left: 0;
  padding-right: 0;
  background: transparent;
}

.ssf-input-underline input:focus,
.ssf-input-underline select:focus,
.ssf-input-underline textarea:focus {
  border-bottom-color: var(--ssf-primary-color);
  box-shadow: none;
}

.ssf-input-underline select {
  background-position: right 0 center;
  padding-right: 28px;
}

/* =====================================================
   Label Style Classes
   ===================================================== */

/* Bold labels */
.ssf-label-bold label {
  font-weight: 700;
}

/* Uppercase labels */
.ssf-label-uppercase label {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.05em;
}

/* Light labels */
.ssf-label-light label {
  font-weight: 400;
  color: var(--ssf-text-muted);
}

/* Label size variants */
.ssf-label-size-sm label {
  font-size: 12px;
}

.ssf-label-size-md label {
  font-size: 14px;
}

.ssf-label-size-lg label {
  font-size: 16px;
}

/* Input size variants */
.ssf-input-size-sm input,
.ssf-input-size-sm select,
.ssf-input-size-sm textarea {
  padding: 8px 12px;
  font-size: 13px;
}

.ssf-input-size-md input,
.ssf-input-size-md select,
.ssf-input-size-md textarea {
  padding: 12px 16px;
  font-size: 15px;
}

.ssf-input-size-lg input,
.ssf-input-size-lg select,
.ssf-input-size-lg textarea {
  padding: 16px 20px;
  font-size: 17px;
}

/* =====================================================
   Button Style Variants
   ===================================================== */

/* Primary (default) */
.ssf-btn-style-primary .ssf-submit-btn {
  background: var(--ssf-primary-color);
  color: #ffffff;
}

.ssf-btn-style-primary .ssf-submit-btn:hover {
  background: var(--ssf-primary-hover);
}

/* Secondary */
.ssf-btn-style-secondary .ssf-submit-btn {
  background: #6b7280;
  color: #ffffff;
}

.ssf-btn-style-secondary .ssf-submit-btn:hover {
  background: #4b5563;
}

/* Success */
.ssf-btn-style-success .ssf-submit-btn {
  background: #059669;
  color: #ffffff;
}

.ssf-btn-style-success .ssf-submit-btn:hover {
  background: #047857;
}

/* Dark */
.ssf-btn-style-dark .ssf-submit-btn {
  background: #1f2937;
  color: #ffffff;
}

.ssf-btn-style-dark .ssf-submit-btn:hover {
  background: #111827;
}

/* Outline */
.ssf-btn-style-outline .ssf-submit-btn {
  background: transparent;
  color: var(--ssf-primary-color);
  border: 2px solid var(--ssf-primary-color);
}

.ssf-btn-style-outline .ssf-submit-btn:hover {
  background: var(--ssf-primary-color);
  color: #ffffff;
}

/* Button width */
.ssf-submit-btn.ssf-btn-full {
  width: 100%;
}

/* Button alignment */
.ssf-btn-align-center {
  display: flex;
  justify-content: center;
}

.ssf-btn-align-right {
  display: flex;
  justify-content: flex-end;
}

/* =====================================================
   Container Background Classes
   ===================================================== */

/* Card background (white with shadow) */
.ssf-form-wrapper.ssf-bg-card .ssf-form {
  background: #ffffff;
  box-shadow: var(--ssf-shadow);
}

/* Light gray background */
.ssf-form-wrapper.ssf-bg-light {
  background: #f9fafb;
  border-radius: var(--ssf-radius);
}

.ssf-form-wrapper.ssf-bg-light .ssf-form {
  background: transparent;
  box-shadow: none;
}

/* Transparent background */
.ssf-form-wrapper.ssf-bg-transparent .ssf-form {
  background: transparent;
  box-shadow: none;
  border: none;
}

/* =====================================================
   Shadow Classes
   ===================================================== */

.ssf-shadow-none .ssf-form {
  box-shadow: none;
}

.ssf-shadow-small .ssf-form {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.ssf-shadow-large .ssf-form {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Legacy shadow classes */
.ssf-shadow-sm .ssf-form {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.ssf-shadow-md .ssf-form {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.ssf-shadow-lg .ssf-form {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.ssf-shadow-xl .ssf-form {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* =====================================================
   Border Radius Classes
   ===================================================== */

.ssf-radius-none .ssf-form {
  border-radius: 0;
}

.ssf-radius-small .ssf-form {
  border-radius: 4px;
}

.ssf-radius-large .ssf-form {
  border-radius: 12px;
}

.ssf-radius-pill .ssf-form {
  border-radius: 16px;
}

/* =====================================================
   Padding Classes
   ===================================================== */

.ssf-padding-none .ssf-form {
  padding: 0;
}

.ssf-padding-small .ssf-form {
  padding: 16px;
}

.ssf-padding-large .ssf-form {
  padding: 48px;
}

/* =====================================================
   Stacked Layout (no grid)
   ===================================================== */
.ssf-layout-stacked {
  display: block !important;
}

.ssf-layout-stacked .ssf-field {
  margin-bottom: var(--ssf-row-gap, 24px);
}