/* ==========================================
   ALERTS - Mensajes de notificación
   ========================================== */

.alert {
  position: relative;
  padding: 14px 16px;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.alert-icon {
  flex-shrink: 0;
  font-size: 18px;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: 4px;
}

.alert-message {
  margin: 0;
}

.alert-close {
  background: none;
  border: none;
  color: currentColor;
  cursor: pointer;
  opacity: 0.6;
  font-size: 18px;
  padding: 0;
  margin-left: auto;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

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

/* Variantes */
.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: #065f46;
}

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

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-error);
  color: #991b1b;
}

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

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--color-warning);
  color: #92400e;
}

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

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--color-info);
  color: #1e3a8a;
}

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

/* Alert dismissible */
.alert-dismissible {
  padding-right: 40px;
}

/* Animación de entrada */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert {
  animation: slideDown 0.3s ease-out;
}

/* Toast Alerts (flotantes) */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 400px;
}

.alert.toast {
  margin-bottom: 0;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease-out;
}

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

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

.alert.toast.removing {
  animation: slideOutRight 0.3s ease-out forwards;
}

@media (max-width: 640px) {
  .toast-container {
    left: 10px;
    right: 10px;
    max-width: none;
  }
}