/**
 * D2U Ségur - Composant Alertes & Notifications
 * Design médical professionnel
 * 
 * Classes disponibles :
 * - .alert : alerte de base
 * - .alert-success, .alert-error, .alert-warning, .alert-info
 * - .toast : notification toast
 */

/* ==========================================================================
   ALERTES
   ========================================================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
  min-width: 0;
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
  color: var(--foreground);
}

.alert-message {
  font-size: var(--text-sm);
  color: var(--muted);
}

.alert-close {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.alert-close:hover {
  color: var(--foreground);
}

/* -- Variantes -- */
.alert-success {
  background: var(--success-light);
  border-color: var(--success);
}

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

.alert-success .alert-title {
  color: var(--success);
}

.alert-error {
  background: var(--error-light);
  border-color: var(--error);
}

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

.alert-error .alert-title {
  color: var(--error);
}

.alert-warning {
  background: var(--warning-light);
  border-color: var(--warning);
}

.alert-warning .alert-icon {
  color: var(--warning);
}

.alert-warning .alert-title {
  color: var(--warning);
}

.alert-info {
  background: var(--info-light);
  border-color: var(--info);
}

.alert-info .alert-icon {
  color: var(--info);
}

.alert-info .alert-title {
  color: var(--info);
}

/* ==========================================================================
   FLASH MESSAGES CONTAINER
   ========================================================================== */

.flash-messages-container {
  margin-bottom: 1.5rem;
}

.flash-messages-container:empty {
  display: none;
  margin: 0;
}

.flash-messages-container .alert {
  margin-bottom: 0.75rem;
}

.flash-messages-container .alert:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   FLASH MESSAGES (simplified alerts)
   ========================================================================== */

.flash-message {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.flash-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid var(--success);
}

.flash-error {
  background: var(--error-light);
  color: var(--error);
  border: 1px solid var(--error);
}

.flash-warning {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.flash-info {
  background: var(--info-light);
  color: var(--info);
  border: 1px solid var(--info);
}

/* ==========================================================================
   TOASTS
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  
  max-width: 400px;
  width: 100%;
  
  pointer-events: none;
}

.toast-container-top {
  bottom: auto;
  top: var(--space-6);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  
  padding: var(--space-4);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  
  pointer-events: auto;
  animation: slideInRight 0.3s ease-out;
}

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

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--foreground);
}

.toast-close {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.toast-close:hover {
  color: var(--foreground);
}

/* -- Variantes -- */
.toast-success {
  border-left: 4px solid var(--success);
}

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

.toast-error {
  border-left: 4px solid var(--error);
}

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

.toast-warning {
  border-left: 4px solid var(--warning);
}

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

.toast-info {
  border-left: 4px solid var(--info);
}

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

/* -- Animation sortie -- */
.toast-exit {
  animation: slideOutRight 0.2s ease-in forwards;
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1;
  
  border-radius: var(--radius-full);
  background: var(--background-subtle);
  color: var(--muted);
}

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

.badge-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
}

.badge-success {
  background: var(--success);
  color: var(--success-foreground);
}

.badge-error {
  background: var(--error);
  color: var(--error-foreground);
}

.badge-warning {
  background: var(--warning);
  color: var(--warning-foreground);
}

.badge-info {
  background: var(--info);
  color: var(--info-foreground);
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

/* -- Badge avec point -- */
.badge-dot {
  padding-left: var(--space-3);
}

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ==========================================================================
   PROGRESS
   ========================================================================== */

.progress {
  width: 100%;
  height: 8px;
  background: var(--background-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-smooth);
}

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

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

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

.progress-bar-animated {
  background: linear-gradient(
    90deg,
    var(--primary) 0%,
    var(--primary-light) 50%,
    var(--primary) 100%
  );
  background-size: 200% 100%;
  animation: progressShimmer 1.5s ease-in-out infinite;
}

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

/* ==========================================================================
   SPINNER / LOADER
   ========================================================================== */

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

/* -- Loading overlay -- */
.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
}