/* Toast Notifications */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: toast-slide-in 0.3s ease;
}

.toast--exiting {
  animation: toast-slide-out 0.2s ease forwards;
}

@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-slide-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

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

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

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

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

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

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

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

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

/* Toast Parts */
.toast__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

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

.toast__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.toast__message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.toast__close {
  padding: var(--space-1);
  color: var(--color-text-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

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

.toast__close-icon {
  width: 16px;
  height: 16px;
}

/* Progress Bar */
.toast__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-border);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
}

.toast__progress-bar {
  height: 100%;
  background: var(--color-primary);
  animation: toast-progress linear forwards;
}

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

/* Responsive */
@media (max-width: 480px) {
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
    max-width: none;
  }

  .toast {
    width: 100%;
  }
}

/* Loading Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-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;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  z-index: 10;
}

[data-theme="dark"] .loading-overlay {
  background: rgba(15, 23, 42, 0.8);
}

.loading-overlay__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Progress Indicator */
.progress {
  width: 100%;
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.progress--indeterminate .progress__bar {
  width: 30%;
  animation: progress-indeterminate 1.5s ease-in-out infinite;
}

@keyframes progress-indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}