/**
 * toast.css
 * БЭМ-блок: toast
 * Уведомления (error, success, info, warning)
 */

/* ===========================
   Toast container
   =========================== */

.toast-container {
  position: fixed;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast-container_top-right {
  top: var(--spacing-md);
  right: var(--spacing-md);
}

.toast-container_top-left {
  top: var(--spacing-md);
  left: var(--spacing-md);
}

.toast-container_top-center {
  top: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
}

.toast-container_bottom-right {
  bottom: var(--spacing-md);
  right: var(--spacing-md);
}

.toast-container_bottom-left {
  bottom: var(--spacing-md);
  left: var(--spacing-md);
}

.toast-container_bottom-center {
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
}

/* ===========================
   Block: toast
   =========================== */

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 360px;
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.toast-container_top-left .toast,
.toast-container_bottom-left .toast {
  transform: translateX(-100%);
}

.toast-container_top-center .toast,
.toast-container_bottom-center .toast {
  transform: translateY(-20px);
}

/* ===========================
   Modifier: visible
   =========================== */

.toast_visible {
  opacity: 1;
  transform: translateX(0);
}

.toast-container_top-center .toast_visible,
.toast-container_bottom-center .toast_visible {
  transform: translateY(0);
}

/* ===========================
   Element: icon
   =========================== */

.toast__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.toast__icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ===========================
   Element: content
   =========================== */

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

.toast__title {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.toast__message {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-base);
  color: var(--color-text-muted);
  word-wrap: break-word;
}

/* ===========================
   Element: close button
   =========================== */

.toast__close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin: calc(var(--spacing-xs) * -1);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.toast__close:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

.toast__close svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ===========================
   Element: progress bar
   =========================== */

.toast__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: currentColor;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  opacity: 0.3;
}

.toast__progress_animated {
  animation: toast-progress linear forwards;
}

@keyframes toast-progress {
  from {
    width: 100%;
  }
  to {
    width: 0%;
  }
}

/* ===========================
   Modifier: success
   =========================== */

.toast_success {
  border-left: 4px solid var(--color-success);
}

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

.toast_success .toast__progress {
  color: var(--color-success);
}

/* ===========================
   Modifier: error
   =========================== */

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

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

.toast_error .toast__progress {
  color: var(--color-error);
}

/* ===========================
   Modifier: warning
   =========================== */

.toast_warning {
  border-left: 4px solid #f59e0b;
}

.toast_warning .toast__icon {
  color: #f59e0b;
}

.toast_warning .toast__progress {
  color: #f59e0b;
}

/* ===========================
   Modifier: info
   =========================== */

.toast_info {
  border-left: 4px solid #3b82f6;
}

.toast_info .toast__icon {
  color: #3b82f6;
}

.toast_info .toast__progress {
  color: #3b82f6;
}

/* ===========================
   Modifier: dark
   =========================== */

.toast_dark {
  background-color: var(--color-primary);
  border-color: transparent;
  color: var(--color-bg);
}

.toast_dark .toast__title {
  color: var(--color-bg);
}

.toast_dark .toast__message {
  color: rgba(255, 255, 255, 0.8);
}

.toast_dark .toast__close {
  color: rgba(255, 255, 255, 0.6);
}

.toast_dark .toast__close:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-bg);
}

/* ===========================
   Modifier: compact
   =========================== */

.toast_compact {
  padding: var(--spacing-sm) var(--spacing-md);
}

.toast_compact .toast__icon {
  width: 20px;
  height: 20px;
}

.toast_compact .toast__icon svg {
  width: 16px;
  height: 16px;
}

.toast_compact .toast__title {
  font-size: var(--font-size-xs);
}

.toast_compact .toast__message {
  font-size: var(--font-size-xs);
}

/* ===========================
   Action buttons in toast
   =========================== */

.toast__actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.toast__action {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.toast__action:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-text-muted);
}

.toast__action_primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.toast__action_primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

/* ===========================
   Media Queries
   =========================== */

/* Small devices (480px and up) */
@media (min-width: 480px) {
  .toast-container {
    gap: var(--spacing-md);
  }

  .toast-container_top-right,
  .toast-container_bottom-right {
    right: var(--spacing-lg);
  }

  .toast-container_top-left,
  .toast-container_bottom-left {
    left: var(--spacing-lg);
  }

  .toast-container_top-right,
  .toast-container_top-left,
  .toast-container_top-center {
    top: var(--spacing-lg);
  }

  .toast-container_bottom-right,
  .toast-container_bottom-left,
  .toast-container_bottom-center {
    bottom: var(--spacing-lg);
  }

  .toast {
    max-width: 400px;
  }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
  .toast-container_top-right,
  .toast-container_bottom-right {
    right: var(--spacing-xl);
  }

  .toast-container_top-left,
  .toast-container_bottom-left {
    left: var(--spacing-xl);
  }

  .toast-container_top-right,
  .toast-container_top-left,
  .toast-container_top-center {
    top: var(--spacing-xl);
  }

  .toast-container_bottom-right,
  .toast-container_bottom-left,
  .toast-container_bottom-center {
    bottom: var(--spacing-xl);
  }

  .toast {
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* Mobile: full width toasts at bottom */
@media (max-width: 479px) {
  .toast-container {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    bottom: var(--spacing-sm);
    top: auto;
    transform: none;
  }

  .toast {
    max-width: none;
    transform: translateY(100%);
  }

  .toast_visible {
    transform: translateY(0);
  }
}