/* Catholic AI - UI Components */

/* ==================== Buttons ==================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Primary Button */
.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border: 1px solid var(--btn-primary-bg);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--btn-primary-hover);
  border-color: var(--btn-primary-hover);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--btn-secondary-hover);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--sidebar-hover-bg);
}

/* Danger Button */
.btn-danger {
  background-color: var(--btn-danger-bg);
  color: white;
  border: 1px solid var(--btn-danger-bg);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--btn-danger-hover);
  border-color: var(--btn-danger-hover);
}

/* Brand Button */
.btn-brand {
  background-color: var(--brand-primary);
  color: white;
  border: 1px solid var(--brand-primary);
}

.btn-brand:hover:not(:disabled) {
  background-color: #3658d3;
  border-color: #3658d3;
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
}

/* Icon-only Button */
.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
}

.btn-icon.btn-sm {
  width: 28px;
  height: 28px;
}

.btn-icon.btn-lg {
  width: 44px;
  height: 44px;
}

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

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 2px var(--accent-light);
  outline: none;
}

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

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--btn-danger-bg);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-helper {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--btn-danger-bg);
}

/* Checkbox and Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check-input {
  width: 18px;
  height: 18px;
  border: 2px solid var(--input-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check-input[type="radio"]:checked {
  background-image: none;
  position: relative;
}

.form-check-input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background-color: white;
  border-radius: var(--radius-full);
}

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

/* ==================== Modal ==================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: var(--modal-overlay);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  background-color: var(--modal-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
  overflow: hidden;
}

.modal.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--sidebar-hover-bg);
  color: var(--text-primary);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
}

/* ==================== Toast Notifications ==================== */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: var(--toast-bg);
  color: var(--toast-text);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: var(--font-size-sm);
}

.toast-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border-radius: var(--radius-sm);
  color: var(--toast-text);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.toast-close:hover {
  opacity: 1;
}

.toast-close svg {
  width: 16px;
  height: 16px;
}

.toast.success .toast-icon { color: var(--toast-success); }
.toast.error .toast-icon { color: var(--toast-error); }

/* ==================== Dropdown ==================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-trigger {
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 180px;
  padding: var(--space-2);
  background-color: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.dropdown-item:hover {
  background-color: var(--sidebar-hover-bg);
}

.dropdown-item svg {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
}

.dropdown-item.danger {
  color: var(--btn-danger-bg);
}

.dropdown-item.danger svg {
  color: var(--btn-danger-bg);
}

.dropdown-divider {
  height: 1px;
  margin: var(--space-2) 0;
  background-color: var(--border-color);
}

/* ==================== Cards ==================== */

.card {
  background-color: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.card-body {
  padding: var(--space-4);
}

.card-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border-color);
}

/* Stat Card */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background-color: var(--brand-dark);
  border-radius: var(--radius-lg);
  color: white;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-card-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.stat-card-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* ==================== Badges ==================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.badge-primary {
  background-color: var(--accent-light);
  color: var(--accent);
}

.badge-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--text-secondary);
}

.badge-pro {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  text-transform: uppercase;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
}

/* ==================== Tabs ==================== */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-4);
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ==================== Avatar ==================== */

.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: var(--accent);
  color: white;
  font-weight: var(--font-weight-semibold);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm { width: 24px; height: 24px; font-size: 10px; }
.avatar-md { width: 32px; height: 32px; font-size: var(--font-size-xs); }
.avatar-lg { width: 40px; height: 40px; font-size: var(--font-size-sm); }
.avatar-xl { width: 64px; height: 64px; font-size: var(--font-size-lg); }

/* ==================== Divider ==================== */

.divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--space-4) 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background-color: var(--border-color);
  margin: 0 var(--space-4);
}

/* ==================== Loading Spinner ==================== */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

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

/* ==================== Tooltip ==================== */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background-color: var(--toast-bg);
  color: var(--toast-text);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  border-radius: var(--radius-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  pointer-events: none;
  margin-bottom: var(--space-2);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
}

/* ==================== Empty State ==================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  color: var(--text-muted);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

/* ==================== Skeleton ==================== */

.skeleton {
  background: linear-gradient(90deg, var(--skeleton-base) 25%, var(--skeleton-shine) 50%, var(--skeleton-base) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-text {
  height: 16px;
  margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-circle {
  border-radius: var(--radius-full);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}