/* ============================================
   CDOA Angola - Components
   Cards, Badges, Buttons, Tables, Forms, etc.
   ============================================ */

/* ---- Card ---- */
.cdoa-card {
  background: var(--cdoa-surface);
  border: 1px solid var(--cdoa-border);
  border-radius: var(--cdoa-radius-lg);
  box-shadow: var(--cdoa-shadow-xs);
  transition: box-shadow var(--cdoa-transition);
}

.cdoa-card:hover {
  box-shadow: var(--cdoa-shadow-sm);
}

.cdoa-card__header {
  padding: var(--cdoa-space-5) var(--cdoa-space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cdoa-card__title {
  font-size: var(--cdoa-text-base);
  font-weight: 600;
  margin: 0;
}

.cdoa-card__body {
  padding: var(--cdoa-space-5);
}

.cdoa-card__footer {
  padding: 0 var(--cdoa-space-5) var(--cdoa-space-5);
}

/* Card variants */
.cdoa-card--flat {
  border: none;
  box-shadow: none;
}

.cdoa-card--highlight {
  border-left: 3px solid var(--cdoa-primary);
}

/* ---- Stat Card ---- */
.cdoa-stat {
  background: var(--cdoa-surface);
  border: 1px solid var(--cdoa-border);
  border-radius: var(--cdoa-radius-lg);
  padding: var(--cdoa-space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--cdoa-space-4);
  transition: box-shadow var(--cdoa-transition);
}

.cdoa-stat:hover {
  box-shadow: var(--cdoa-shadow-sm);
}

.cdoa-stat__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--cdoa-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.cdoa-stat__icon--primary {
  background: var(--cdoa-primary-50);
  color: var(--cdoa-primary);
}

.cdoa-stat__icon--success {
  background: var(--cdoa-success-bg);
  color: var(--cdoa-success);
}

.cdoa-stat__icon--warning {
  background: var(--cdoa-warning-bg);
  color: var(--cdoa-warning);
}

.cdoa-stat__icon--danger {
  background: var(--cdoa-danger-bg);
  color: var(--cdoa-danger);
}

.cdoa-stat__info {
  flex: 1;
  min-width: 0;
}

.cdoa-stat__label {
  font-size: var(--cdoa-text-sm);
  color: var(--cdoa-text-muted);
  margin-bottom: 2px;
}

.cdoa-stat__value {
  font-size: var(--cdoa-text-2xl);
  font-weight: 700;
  color: var(--cdoa-text);
  line-height: 1.2;
}

/* ---- Badge ---- */
.cdoa-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--cdoa-radius-full);
  font-size: var(--cdoa-text-xs);
  font-weight: 600;
  line-height: 1.4;
}

.cdoa-badge--success {
  background: var(--cdoa-success-bg);
  color: var(--cdoa-success-dark);
}

.cdoa-badge--warning {
  background: var(--cdoa-warning-bg);
  color: var(--cdoa-warning-dark);
}

.cdoa-badge--danger {
  background: var(--cdoa-danger-bg);
  color: var(--cdoa-danger-dark);
}

.cdoa-badge--info {
  background: var(--cdoa-info-bg);
  color: var(--cdoa-info-dark);
}

.cdoa-badge--secondary {
  background: var(--cdoa-surface-hover);
  color: var(--cdoa-text-secondary);
}

/* ---- Button ---- */
.cdoa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cdoa-space-2);
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--cdoa-radius);
  font-family: var(--cdoa-font);
  font-size: var(--cdoa-text-sm);
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  transition: all var(--cdoa-transition);
  white-space: nowrap;
  text-decoration: none;
}

.cdoa-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.cdoa-btn--primary {
  background: var(--cdoa-primary);
  color: var(--cdoa-text-inverse);
  border-color: var(--cdoa-primary);
}

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

.cdoa-btn--secondary {
  background: var(--cdoa-surface);
  color: var(--cdoa-text);
  border-color: var(--cdoa-border);
}

.cdoa-btn--secondary:hover:not(:disabled) {
  background: var(--cdoa-surface-hover);
  border-color: var(--cdoa-text-muted);
}

.cdoa-btn--ghost {
  background: transparent;
  color: var(--cdoa-text-secondary);
}

.cdoa-btn--ghost:hover:not(:disabled) {
  background: var(--cdoa-surface-hover);
  color: var(--cdoa-text);
}

.cdoa-btn--danger {
  background: var(--cdoa-danger);
  color: var(--cdoa-text-inverse);
  border-color: var(--cdoa-danger);
}

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

.cdoa-btn--sm {
  padding: 4px 10px;
  font-size: var(--cdoa-text-xs);
}

.cdoa-btn--lg {
  padding: 10px 20px;
  font-size: var(--cdoa-text-base);
}

/* Button loading */
.cdoa-btn--loading {
  position: relative;
  pointer-events: none;
  opacity: .7;
}

.cdoa-btn--loading::after {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 50%;
  border-top-color: transparent;
  animation: cdoa-spin .6s linear infinite;
}

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

/* ---- Table ---- */
.cdoa-table-wrap {
  overflow-x: auto;
}

.cdoa-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--cdoa-text-sm);
}

.cdoa-table th {
  background: var(--cdoa-bg);
  font-weight: 600;
  color: var(--cdoa-text-secondary);
  text-align: left;
  padding: var(--cdoa-space-3) var(--cdoa-space-4);
  border-bottom: 1px solid var(--cdoa-border);
  white-space: nowrap;
}

.cdoa-table td {
  padding: var(--cdoa-space-3) var(--cdoa-space-4);
  border-bottom: 1px solid var(--cdoa-border-light);
  color: var(--cdoa-text);
  vertical-align: middle;
}

.cdoa-table tbody tr:hover {
  background: var(--cdoa-surface-hover);
}

.cdoa-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---- Form ---- */
.cdoa-form-group {
  margin-bottom: var(--cdoa-space-4);
}

.cdoa-label {
  display: block;
  font-size: var(--cdoa-text-sm);
  font-weight: 500;
  color: var(--cdoa-text);
  margin-bottom: var(--cdoa-space-1);
}

.cdoa-input,
.cdoa-select,
.cdoa-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--cdoa-border);
  border-radius: var(--cdoa-radius);
  font-family: var(--cdoa-font);
  font-size: var(--cdoa-text-sm);
  color: var(--cdoa-text);
  background: var(--cdoa-surface);
  transition: border-color var(--cdoa-transition), box-shadow var(--cdoa-transition);
}

.cdoa-input:focus,
.cdoa-select:focus,
.cdoa-textarea:focus {
  outline: none;
  border-color: var(--cdoa-primary);
  box-shadow: 0 0 0 3px var(--cdoa-primary-100);
}

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

.cdoa-textarea {
  min-height: 80px;
  resize: vertical;
}

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

.cdoa-input-icon .cdoa-input {
  padding-left: 36px;
}

.cdoa-input-icon__icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cdoa-text-muted);
  pointer-events: none;
}

/* ---- Pagination ---- */
.cdoa-pagination {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cdoa-pagination__btn {
  min-width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--cdoa-border-light);
  background: var(--cdoa-surface);
  border-radius: var(--cdoa-radius-sm);
  font-size: var(--cdoa-text-sm);
  color: var(--cdoa-text-secondary);
  cursor: pointer;
  transition: all var(--cdoa-transition);
}

.cdoa-pagination__btn:hover:not(:disabled) {
  background: var(--cdoa-surface-hover);
  border-color: var(--cdoa-border);
  color: var(--cdoa-text);
}

.cdoa-pagination__btn.active {
  background: var(--cdoa-primary);
  border-color: var(--cdoa-primary);
  color: var(--cdoa-text-inverse);
}

.cdoa-pagination__btn:disabled {
  opacity: .4;
  cursor: default;
}

.cdoa-pagination__info {
  font-size: var(--cdoa-text-sm);
  color: var(--cdoa-text-muted);
  margin-left: var(--cdoa-space-3);
}

/* ---- Modal ---- */
.cdoa-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: var(--cdoa-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--cdoa-space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--cdoa-transition-slow);
}

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

.cdoa-modal {
  background: var(--cdoa-surface);
  border-radius: var(--cdoa-radius-lg);
  box-shadow: var(--cdoa-shadow-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(10px);
  transition: transform var(--cdoa-transition-slow);
}

.cdoa-modal-backdrop.show .cdoa-modal {
  transform: translateY(0);
}

.cdoa-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--cdoa-space-5);
  border-bottom: 1px solid var(--cdoa-border-light);
}

.cdoa-modal__title {
  font-size: var(--cdoa-text-lg);
  font-weight: 600;
  margin: 0;
}

.cdoa-modal__close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--cdoa-text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--cdoa-radius-sm);
  line-height: 1;
}

.cdoa-modal__close:hover {
  background: var(--cdoa-surface-hover);
  color: var(--cdoa-text);
}

.cdoa-modal__body {
  padding: var(--cdoa-space-5);
}

.cdoa-modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--cdoa-space-3);
  padding: var(--cdoa-space-4) var(--cdoa-space-5);
  border-top: 1px solid var(--cdoa-border-light);
}

/* ---- Loading Spinner ---- */
.cdoa-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--cdoa-border);
  border-top-color: var(--cdoa-primary);
  border-radius: 50%;
  animation: cdoa-spin .6s linear infinite;
}

.cdoa-spinner--lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

/* Loading overlay */
.cdoa-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--cdoa-z-base);
  border-radius: inherit;
}

/* ---- Empty State ---- */
.cdoa-empty {
  text-align: center;
  padding: var(--cdoa-space-12) var(--cdoa-space-4);
  color: var(--cdoa-text-muted);
}

.cdoa-empty__icon {
  font-size: 2.5rem;
  margin-bottom: var(--cdoa-space-4);
  opacity: .4;
}

.cdoa-empty__title {
  font-size: var(--cdoa-text-lg);
  font-weight: 600;
  color: var(--cdoa-text-secondary);
  margin-bottom: var(--cdoa-space-2);
}

.cdoa-empty__text {
  font-size: var(--cdoa-text-sm);
  max-width: 360px;
  margin: 0 auto;
}

/* ---- Online Indicator ---- */
.cdoa-online {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--cdoa-text-sm);
  font-weight: 500;
  color: var(--cdoa-success);
}

.cdoa-online__dot {
  width: 8px;
  height: 8px;
  background: var(--cdoa-success);
  border-radius: 50%;
  animation: cdoa-pulse 2s infinite;
}

@keyframes cdoa-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

/* ---- Responsive grid helpers ---- */
.cdoa-grid {
  display: grid;
  gap: var(--cdoa-space-5);
}

.cdoa-grid--2 { grid-template-columns: repeat(2, 1fr); }
.cdoa-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cdoa-grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 767.98px) {
  .cdoa-grid--2,
  .cdoa-grid--3,
  .cdoa-grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .cdoa-grid--3,
  .cdoa-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}