/**
 * Alerts Component - Sistema de alertas y notificaciones siguiendo BEM
 * Mensajes de feedback, errores, éxito y avisos
 */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius);
  border: 1px solid;
  margin: var(--space-md) 0;
  position: relative;
}

.alert--dismissible {
  padding-right: calc(var(--space-lg) + 32px);
}

/* Variantes de color */
.alert--success {
  background: rgba(22, 163, 74, 0.1);
  border-color: rgba(22, 163, 74, 0.3);
  color: #16a34a;
}

.alert--warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #f59e0b;
}

.alert--danger {
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.3);
  color: #dc2626;
}

.alert--info {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: #3b82f6;
}

.alert--neutral {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

/* Icono del alert */
.alert__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Contenido del alert */
.alert__content {
  flex: 1;
  min-width: 0;
}

.alert__title {
  font-weight: 600;
  font-size: var(--font-size-base);
  margin: 0 0 var(--space-xs) 0;
  color: currentColor;
}

.alert__message {
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin: 0;
  opacity: 0.9;
}

.alert__message a {
  color: currentColor;
  text-decoration: underline;
  font-weight: 600;
}

.alert__message a:hover {
  opacity: 0.8;
}

/* Botón de cerrar */
.alert__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: none;
  color: currentColor;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
}

.alert__close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
}

.alert__close:focus {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* Acciones del alert */
.alert__actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.alert__actions .btn {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  border-color: currentColor;
  color: currentColor;
}

.alert__actions .btn--primary {
  background: currentColor;
  color: var(--ckm-black);
}

/* Variantes de estilo */
.alert--solid {
  border: none;
}

.alert--solid.alert--success {
  background: #16a34a;
  color: var(--white);
}

.alert--solid.alert--warning {
  background: #f59e0b;
  color: #000;
}

.alert--solid.alert--danger {
  background: #dc2626;
  color: var(--white);
}

.alert--solid.alert--info {
  background: #3b82f6;
  color: var(--white);
}

.alert--outline {
  background: transparent;
  border-width: 2px;
}

/* Tamaños */
.alert--sm {
  padding: var(--space-md);
  font-size: var(--font-size-sm);
}

.alert--sm .alert__icon {
  width: 16px;
  height: 16px;
}

.alert--lg {
  padding: var(--space-xl);
}

.alert--lg .alert__icon {
  width: 24px;
  height: 24px;
}

.alert--lg .alert__title {
  font-size: var(--font-size-lg);
}

/* Toast notifications */
.toast {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-toast);
  min-width: 300px;
  max-width: 500px;
  transform: translateX(100%);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
}

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

.toast--bottom-right {
  top: auto;
  bottom: var(--space-lg);
}

.toast--bottom-left {
  top: auto;
  bottom: var(--space-lg);
  right: auto;
  left: var(--space-lg);
  transform: translateX(-100%);
}

.toast--bottom-left.toast--show {
  transform: translateX(0);
}

.toast--top-center {
  top: var(--space-lg);
  left: 50%;
  right: auto;
  transform: translateX(-50%) translateY(-100%);
}

.toast--top-center.toast--show {
  transform: translateX(-50%) translateY(0);
}

/* Container de toasts */
.toast-container {
  position: fixed;
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast-container--top-right {
  top: var(--space-lg);
  right: var(--space-lg);
}

.toast-container--bottom-right {
  bottom: var(--space-lg);
  right: var(--space-lg);
}

.toast-container--bottom-left {
  bottom: var(--space-lg);
  left: var(--space-lg);
}

.toast-container--top-center {
  top: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
}

.toast-container .toast {
  position: relative;
  top: auto;
  right: auto;
  left: auto;
  bottom: auto;
  transform: none;
  margin-bottom: var(--space-md);
  pointer-events: auto;
}

/* Progress bar para toast con timer */
.alert__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: currentColor;
  opacity: 0.3;
  transition: width linear;
}

/* Estados de animación */
.alert--fade-in {
  animation: alert-fade-in 0.3s ease;
}

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

.alert--slide-in {
  animation: alert-slide-in 0.3s ease;
}

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

@keyframes alert-fade-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes alert-fade-out {
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

@keyframes alert-slide-in {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes alert-slide-out {
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .toast {
    left: var(--space-md);
    right: var(--space-md);
    min-width: auto;
    max-width: none;
    transform: translateY(-100%);
  }
  
  .toast--show {
    transform: translateY(0);
  }
  
  .toast--bottom-right,
  .toast--bottom-left {
    transform: translateY(100%);
  }
  
  .toast--bottom-right.toast--show,
  .toast--bottom-left.toast--show {
    transform: translateY(0);
  }
  
  .alert {
    padding: var(--space-md);
  }
  
  .alert__actions {
    flex-direction: column;
  }
  
  .alert__actions .btn {
    width: 100%;
  }
}