/* ============================================
   Toast Notification Component
   Requirement: 8.3, 8.5
   ============================================ */

/* --- Keyframes --- */

@keyframes toast-in {
  from {
    transform: translateX(110%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(110%);
    opacity: 0;
  }
}

/* --- Container --- */

#toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none; /* let clicks pass through the gap between toasts */
}

/* --- Base Toast --- */

.toast {
  min-width: 300px;
  max-width: 380px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  pointer-events: all;
  border-left: 4px solid transparent;
}

/* --- Type Variants --- */

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

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

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

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

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

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

/* --- Icon --- */

.toast__icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1.4;
}

/* --- Body (message text area) --- */

.toast__body {
  flex: 1;
  min-width: 0;
}

.toast__message {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: var(--leading-normal);
  margin: 0;
}

/* --- Action Link --- */

.toast__action {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  margin-left: auto;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.toast__action:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* --- Close Button --- */

.toast__close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  line-height: 1;
  transition: color var(--transition-fast);
  align-self: flex-start;
}

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

/* --- Animation States --- */

.toast.entering {
  animation: toast-in 0.35s ease both;
}

.toast.leaving {
  animation: toast-out 0.35s ease forwards;
}

/* --- Mobile --- */

@media (max-width: 767px) {
  #toast-container {
    top: auto;
    bottom: 24px;
    right: 50%;
    transform: translateX(50%);
  }

  /* Slide from bottom on mobile */
  @keyframes toast-in {
    from {
      transform: translateY(110%);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  @keyframes toast-out {
    from {
      transform: translateY(0);
      opacity: 1;
    }
    to {
      transform: translateY(110%);
      opacity: 0;
    }
  }

  .toast {
    min-width: 280px;
    max-width: calc(100vw - 48px);
  }
}