/* ============================================
   HR Hiring Tool - Form Styles
   ============================================ */

/* ============================================
   Form Layout
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.form-row-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Labels
   ============================================ */
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.form-label-required::after {
  content: " *";
  color: var(--danger-color);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* ============================================
   Input Fields
   ============================================ */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

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

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--bg-tertiary);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Input Sizes */
.form-input-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.form-input-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
}

/* Input with Icon */
.input-icon-wrapper {
  position: relative;
}

.input-icon-wrapper .form-input {
  padding-left: 40px;
}

.input-icon-wrapper .input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.input-icon-wrapper.icon-right .form-input {
  padding-left: var(--spacing-md);
  padding-right: 40px;
}

.input-icon-wrapper.icon-right .input-icon {
  left: auto;
  right: 12px;
}

/* ============================================
   Textarea
   ============================================ */
.form-textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
}

.form-textarea-sm {
  min-height: 60px;
}

.form-textarea-lg {
  min-height: 200px;
}

/* ============================================
   Select
   ============================================ */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* ============================================
   Checkbox & Radio
   ============================================ */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-check-input {
  width: 18px;
  height: 18px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--primary-color);
  flex-shrink: 0;
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

/* Custom Checkbox */
.checkbox-custom {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.checkbox-custom input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkbox-custom .checkmark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.checkbox-custom:hover .checkmark {
  border-color: var(--primary-color);
}

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

.checkbox-custom .checkmark svg {
  width: 12px;
  height: 12px;
  color: var(--text-inverse);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.checkbox-custom input:checked + .checkmark svg {
  opacity: 1;
}

/* Custom Radio */
.radio-custom {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.radio-custom input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-custom .radio-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.radio-custom:hover .radio-mark {
  border-color: var(--primary-color);
}

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

.radio-custom .radio-mark::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-fast);
}

.radio-custom input:checked + .radio-mark::after {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   Toggle Switch
   ============================================ */
.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.toggle input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.toggle-switch {
  width: 44px;
  height: 24px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  position: relative;
  transition: background var(--transition-fast);
}

.toggle-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--bg-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow);
  transition: transform var(--transition-fast);
}

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

.toggle input:checked + .toggle-switch::after {
  transform: translateX(20px);
}

.toggle-label {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

/* ============================================
   File Input
   ============================================ */
.file-upload {
  position: relative;
}

.file-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-upload-area:hover,
.file-upload-area.dragover {
  border-color: var(--primary-color);
  background: var(--primary-light);
}

.file-upload input[type="file"] {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin: 0 auto var(--spacing-md);
}

.file-upload-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.file-upload-text strong {
  color: var(--primary-color);
}

.file-upload-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-sm);
}

/* File Preview */
.file-preview {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius);
  margin-top: var(--spacing-md);
}

.file-preview-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-preview-info {
  flex: 1;
  min-width: 0;
}

.file-preview-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-preview-size {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.file-preview-remove {
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color var(--transition-fast);
}

.file-preview-remove:hover {
  color: var(--danger-color);
}

/* ============================================
   Validation States
   ============================================ */
.form-group.error .form-input,
.form-group.error .form-select,
.form-group.error .form-textarea {
  border-color: var(--danger-color);
}

.form-group.error .form-input:focus,
.form-group.error .form-select:focus,
.form-group.error .form-textarea:focus {
  box-shadow: 0 0 0 3px var(--danger-light);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--danger-color);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-error svg {
  width: 14px;
  height: 14px;
}

.form-group.success .form-input,
.form-group.success .form-select,
.form-group.success .form-textarea {
  border-color: var(--success-color);
}

/* ============================================
   Search Input
   ============================================ */
.search-input {
  position: relative;
}

.search-input input {
  padding-left: 40px;
  padding-right: 40px;
}

.search-input .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input .search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.search-input input:not(:placeholder-shown) + .search-icon + .search-clear {
  opacity: 1;
}

.search-input .search-clear:hover {
  color: var(--text-primary);
}

/* ============================================
   Date/Time Picker
   ============================================ */
.form-input[type="date"],
.form-input[type="time"],
.form-input[type="datetime-local"] {
  cursor: pointer;
}

.form-input[type="date"]::-webkit-calendar-picker-indicator,
.form-input[type="time"]::-webkit-calendar-picker-indicator,
.form-input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.6;
}

.form-input[type="date"]::-webkit-calendar-picker-indicator:hover,
.form-input[type="time"]::-webkit-calendar-picker-indicator:hover,
.form-input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

/* ============================================
   Form Actions
   ============================================ */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-lg);
}

.form-actions-left {
  justify-content: flex-start;
}

.form-actions-between {
  justify-content: space-between;
}

/* ============================================
   Inline Form
   ============================================ */
.form-inline {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-md);
}

.form-inline .form-group {
  margin-bottom: 0;
}

/* ============================================
   Login Form Specific
   ============================================ */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  padding: var(--spacing-lg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2xl);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.login-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.login-form .form-group {
  margin-bottom: var(--spacing-md);
}

.login-form .btn {
  width: 100%;
  margin-top: var(--spacing-md);
}

.login-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.login-footer a {
  font-size: var(--font-size-sm);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-color);
}