/**
 * NEUROWELL - Components Stylesheet
 * Reusable UI components: badges, alerts, modals, spinners, progress
 * Specific component styling
 */

/* ===== BADGE / LABELS ===== */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.badge-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.badge-info {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.badge-primary {
  background-color: rgba(102, 126, 234, 0.1);
  color: var(--primary-light);
}

/* ===== ALERT / NOTIFICATION ===== */
.alert {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid transparent;
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  animation: slideInDown 0.3s ease-out;
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-left-color: var(--success);
  color: var(--success);
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-left-color: var(--warning);
  color: var(--warning);
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border-left-color: var(--danger);
  color: var(--danger);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border-left-color: var(--info);
  color: var(--info);
}

.alert-close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: var(--text-lg);
  margin-left: auto;
}

/* ===== PROGRESS BAR ===== */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--spacing-md) 0;
}

.progress-bar {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

.progress-success .progress-bar {
  background-color: var(--success);
}

.progress-warning .progress-bar {
  background-color: var(--warning);
}

.progress-danger .progress-bar {
  background-color: var(--danger);
}

/* ===== SPINNER / LOADER ===== */
.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--bg-tertiary);
  border-top-color: var(--primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 5px;
}

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

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  animation: slideInUp 0.3s ease-out;
}

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

.modal-header h2 {
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--text-xl);
  transition: color var(--transition-base);
}

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

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ===== DROPDOWN ===== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.dropdown-toggle:hover {
  border-color: var(--primary-light);
  background-color: var(--bg-elevated);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-top: var(--spacing-sm);
  display: none;
  z-index: 1000;
  min-width: 200px;
}

.dropdown-menu.active {
  display: block;
  animation: slideInUp 0.2s ease-out;
}

.dropdown-item {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
  border-bottom: none;
}

.dropdown-item:hover {
  background-color: var(--bg-elevated);
  color: var(--primary-light);
}

/* ===== STAT CARD ===== */
.stat-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(139, 92, 246, 0.2);
  transform: translateY(-2px);
}

.stat-value {
  font-size: var(--text-4xl);
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-change {
  font-size: var(--text-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.stat-change.positive {
  color: var(--success);
}

.stat-change.negative {
  color: var(--danger);
}

/* ===== DIVIDER ===== */
.divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-lg) 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

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

/* ===== TAG / CHIP ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.tag-close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
  font-size: var(--text-sm);
}

/* ===== TOOLTIP ===== */
.tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
}

.tooltip-text {
  visibility: hidden;
  width: 200px;
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  text-align: center;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  border: 1px solid var(--border-color);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
}

.tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--bg-elevated);
}

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

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--text-tertiary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.empty-state p {
  margin-bottom: var(--spacing-lg);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .modal {
    max-width: 90%;
  }

  .dropdown-menu {
    position: static;
    display: none;
    border: none;
    box-shadow: none;
    background-color: var(--bg-elevated);
    margin-top: 0;
  }

  .modal-footer {
    flex-direction: column-reverse;
  }

  .modal-footer button {
    width: 100%;
  }
}