/* ==========================================================================
   Forms & Controls Styles - Exhaustive Showcase & Modern Fields
   ========================================================================== */

/* Form Layout Grid & Section Cards */
.form-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.75rem;
}

.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

@media (max-width: 1024px) {
  .col-8, .col-6, .col-4, .col-3 {
    grid-column: span 12;
  }
}

.form-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  position: relative;
}

.form-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(99, 102, 241, 0.2);
}

.form-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.form-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-card-subtitle {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.form-card-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
}

/* Form Group & Standard Labels */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.label-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
}

.label-required {
  color: var(--danger);
  margin-left: 0.25rem;
}

.form-helper-text {
  font-size: 0.76rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.25rem;
}

/* Base Input Styles */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.65rem 0.95rem;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: all 0.2s ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: #cbd5e1;
}

[data-theme="dark"] .form-input:hover,
[data-theme="dark"] .form-select:hover,
[data-theme="dark"] .form-textarea:hover {
  border-color: #334155;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3.5px var(--primary-focus);
  background-color: var(--bg-surface);
}

/* Disabled & Readonly States */
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background-color: var(--bg-muted);
  cursor: not-allowed;
  opacity: 0.75;
  border-style: dashed;
}

.form-input:read-only {
  background-color: var(--bg-muted);
  cursor: default;
}

/* Input with Icons & Addons */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-icon-left,
.input-icon-right {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  pointer-events: none;
  width: 18px;
  height: 18px;
}

.input-icon-left {
  left: 0.85rem;
}

.input-icon-right {
  right: 0.85rem;
}

.input-icon-btn {
  pointer-events: auto;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.input-icon-btn:hover {
  color: var(--text-main);
}

.input-with-icon-left {
  padding-left: 2.5rem;
}

.input-with-icon-right {
  padding-right: 2.5rem;
}

/* Input Addon Groups (Prefix / Suffix) */
.input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.input-group-addon {
  display: flex;
  align-items: center;
  padding: 0 0.85rem;
  background-color: var(--bg-muted);
  border: 1.5px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
}

.input-group .input-group-addon:first-child {
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-input:not(:first-child):not(:last-child) {
  border-radius: 0;
}

.input-group .form-input:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-input:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .input-group-addon:last-child {
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Floating Label Pattern */
.floating-label-group {
  position: relative;
  margin-bottom: 1.25rem;
}

.floating-label-group .form-input {
  height: 52px;
  padding: 1.2rem 0.95rem 0.3rem;
}

.floating-label-group label {
  position: absolute;
  top: 50%;
  left: 0.95rem;
  transform: translateY(-50%);
  font-size: 0.88rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.2s ease;
}

.floating-label-group .form-input:focus ~ label,
.floating-label-group .form-input:not(:placeholder-shown) ~ label {
  top: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--primary);
}

/* Password Strength Indicator */
.password-strength-box {
  margin-top: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.strength-meter-bar {
  height: 4px;
  background-color: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  display: flex;
}

.strength-meter-fill {
  height: 100%;
  width: 0%;
  transition: width 0.3s ease, background-color 0.3s ease;
  border-radius: var(--radius-full);
}

.strength-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* Number Stepper Control */
.number-stepper {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  overflow: hidden;
}

.stepper-btn {
  width: 38px;
  height: 38px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.stepper-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--primary);
}

.stepper-input {
  flex: 1;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  outline: none;
  -moz-appearance: textfield;
}

.stepper-input::-webkit-outer-spin-button,
.stepper-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Textarea & Markdown Toolbar Mock */
.textarea-wrapper {
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  overflow: hidden;
  transition: all 0.2s ease;
}

.textarea-wrapper:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3.5px var(--primary-focus);
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 0.6rem;
  background-color: var(--bg-muted);
  border-bottom: 1px solid var(--border-color);
}

.toolbar-btn {
  width: 28px;
  height: 28px;
  background: transparent;
  border: none;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.toolbar-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-main);
}

.toolbar-divider {
  width: 1px;
  height: 16px;
  background-color: var(--border-color);
  margin: 0 0.25rem;
}

.form-textarea {
  border: none;
  border-radius: 0;
  resize: vertical;
  min-height: 100px;
}

.form-textarea:focus {
  box-shadow: none;
}

.textarea-footer {
  padding: 0.35rem 0.75rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  background-color: var(--bg-surface-elevated);
}

/* Tag / Chip Input */
.tags-input-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.65rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  min-height: 44px;
  cursor: text;
}

.tags-input-container:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3.5px var(--primary-focus);
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-200);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  animation: tagPop 0.15s ease;
}

@keyframes tagPop {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.tag-remove-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}

.tag-input-field {
  flex: 1;
  min-width: 110px;
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.85rem;
  color: var(--text-main);
}

/* Custom Searchable Select */
.custom-select-container {
  position: relative;
}

.custom-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.95rem;
  background-color: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.custom-select-trigger:hover {
  border-color: var(--border-focus);
}

.custom-select-options {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dropdown);
  z-index: 60;
  display: none;
  flex-direction: column;
  overflow: hidden;
  max-height: 220px;
}

.custom-select-container.open .custom-select-options {
  display: flex;
}

.select-search-box {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.select-search-input {
  width: 100%;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-muted);
  color: var(--text-main);
  font-size: 0.82rem;
  outline: none;
}

.select-options-list {
  overflow-y: auto;
  list-style: none;
  padding: 0.35rem 0;
}

.select-option-item {
  padding: 0.55rem 0.85rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.15s ease;
}

.select-option-item:hover,
.select-option-item.selected {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Custom Checkbox & Radio Controls */
.checkbox-label,
.radio-label {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.65rem;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-main);
  user-select: none;
}

.checkbox-custom,
.radio-custom {
  width: 19px;
  height: 19px;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-surface-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.checkbox-custom {
  border-radius: var(--radius-xs);
}

.radio-custom {
  border-radius: 50%;
}

.checkbox-input,
.radio-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkbox-input:checked + .checkbox-custom {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.checkbox-custom::after {
  content: '✓';
  font-size: 0.75rem;
  font-weight: 700;
  display: none;
}

.checkbox-input:checked + .checkbox-custom::after {
  display: block;
}

.radio-input:checked + .radio-custom {
  border-color: var(--primary);
}

.radio-custom::after {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--primary);
  display: none;
}

.radio-input:checked + .radio-custom::after {
  display: block;
}

/* Modern Switches / Toggles */
.toggle-switch-label {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  width: 100%;
}

.toggle-switch-track {
  width: 44px;
  height: 24px;
  background-color: var(--border-color);
  border-radius: var(--radius-full);
  position: relative;
  transition: background-color 0.25s ease;
  flex-shrink: 0;
}

.toggle-switch-thumb {
  width: 18px;
  height: 18px;
  background-color: #ffffff;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
}

.toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-input:checked ~ .toggle-switch-track {
  background-color: var(--primary);
}

.toggle-input:checked ~ .toggle-switch-track .toggle-switch-thumb {
  transform: translateX(20px);
}

/* Interactive Radio Cards (e.g. Plan / Role selection) */
.radio-cards-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.radio-card {
  position: relative;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  background-color: var(--bg-surface-elevated);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radio-card:hover {
  border-color: var(--primary-300);
  background-color: var(--bg-surface-hover);
}

.radio-card-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-card-input:checked ~ .radio-card-inner {
  border-color: var(--primary);
}

.radio-card:has(.radio-card-input:checked) {
  border-color: var(--primary);
  background-color: var(--primary-light);
  box-shadow: 0 0 0 1.5px var(--primary);
}

.radio-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.radio-card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.radio-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.radio-card-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.radio-card-price {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 0.4rem;
}

/* Range Slider */
.slider-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--border-color);
  outline: none;
  transition: background 0.2s ease;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.4);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background-color: var(--primary-hover);
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Color Picker Control */
.color-picker-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-swatch-input {
  -webkit-appearance: none;
  border: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: transparent;
  padding: 0;
}

.color-swatch-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-swatch-input::-webkit-color-swatch {
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
}

.quick-color-presets {
  display: flex;
  gap: 0.4rem;
}

.color-preset-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: 0 0 0 1px var(--border-color);
  transition: transform 0.15s ease;
}

.color-preset-dot:hover {
  transform: scale(1.15);
}

/* Star Rating Control */
.star-rating-box {
  display: flex;
  gap: 0.35rem;
  cursor: pointer;
}

.star-icon {
  color: var(--border-color);
  font-size: 1.4rem;
  transition: color 0.15s ease, transform 0.15s ease;
}

.star-icon.active,
.star-icon:hover {
  color: #fbbf24;
  transform: scale(1.1);
}

/* File Upload & Dropzone */
.dropzone-container {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  background-color: var(--bg-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.dropzone-container:hover,
.dropzone-container.dragover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.dropzone-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface);
  color: var(--primary);
  margin: 0 auto 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.dropzone-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.dropzone-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Uploaded Files Preview List */
.uploaded-files-list {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.uploaded-file-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
}

.uploaded-file-info {
  flex: 1;
  text-align: left;
}

.uploaded-file-name {
  font-weight: 600;
  color: var(--text-main);
}

.uploaded-file-size {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.uploaded-file-delete {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 0.2rem;
}

/* Validation Feedback States */
.form-group.is-valid .form-input,
.form-group.is-valid .form-select {
  border-color: var(--success);
  background-color: var(--success-light);
}

.form-group.is-valid .form-helper-text {
  color: var(--success-text);
  font-weight: 600;
}

.form-group.is-invalid .form-input,
.form-group.is-invalid .form-select {
  border-color: var(--danger);
  background-color: var(--danger-light);
}

.form-group.is-invalid .form-helper-text {
  color: var(--danger-text);
  font-weight: 600;
}

/* Segmented Control Button Group */
.segmented-control {
  display: flex;
  background-color: var(--bg-muted);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  gap: 0.25rem;
}

.segmented-btn {
  flex: 1;
  padding: 0.45rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}

.segmented-btn.active {
  background-color: var(--bg-surface);
  color: var(--primary);
  box-shadow: var(--shadow-xs);
}

/* Sticky Form Actions Bar */
.form-actions-bar {
  position: sticky;
  bottom: 1.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  z-index: 30;
  margin-top: 2rem;
}

.form-actions-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.form-actions-buttons {
  display: flex;
  gap: 0.75rem;
}