/* ============================================
   Toast Notifications
   ============================================ */
.notice,
.alert {
  padding: var(--spacing-lg) calc(var(--spacing-unit) * 1.25);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-xl);
  font-size: 0.9375rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notice {
  background: linear-gradient(135deg, var(--color-info-soft) 0%, var(--color-info-soft-strong) 100%);
  color: var(--color-info-strong);
  border: 1px solid var(--color-primary-light);
}

.alert {
  background: linear-gradient(135deg, var(--color-error-soft) 0%, var(--color-error-soft-strong) 100%);
  color: var(--color-error-strong);
  border: 1px solid var(--color-error-soft-border);
}

.toast-container {
  position: fixed;
  top: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - var(--spacing-3xl));
  max-width: 500px;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.toast {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg) calc(var(--spacing-unit) * 1.25);
  box-shadow: var(--shadow-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
  position: relative;
}

.toast.toast-show {
  opacity: 1;
  transform: translateY(0);
}

.toast.toast-hide {
  opacity: 0;
  transform: translateY(-20px);
}

.toast-success {
  background: linear-gradient(135deg, var(--color-info-soft) 0%, var(--color-info-soft-strong) 100%);
  color: var(--color-info-strong);
  border-color: var(--color-primary-light);
}

.toast-error {
  background: linear-gradient(135deg, var(--color-error-soft) 0%, var(--color-error-soft-strong) 100%);
  color: var(--color-error-strong);
  border-color: var(--color-error-soft-border);
}

.toast-content {
  flex: 1;
  line-height: 1.5;
}

.toast-close {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  font-size: 1.25rem;
  line-height: 1;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
  font-family: inherit;
}

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

.toast-close::before {
  content: '×';
}

@media (min-width: 768px) {
  .toast-container {
    top: var(--spacing-2xl);
    right: var(--spacing-2xl);
    left: auto;
    transform: none;
    width: auto;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .toast-container {
    top: var(--spacing-sm);
  }
}

/* Dark mode toast and flash colors */
[data-theme="dark"] .notice,
body[data-theme="dark"] .notice {
  background: linear-gradient(135deg, var(--color-info-soft) 0%, var(--color-info-soft-strong) 100%);
  color: var(--color-info-strong);
  border-color: var(--color-info-accent-border);
}

[data-theme="dark"] .alert,
body[data-theme="dark"] .alert {
  background: linear-gradient(135deg, var(--color-error-soft) 0%, var(--color-error-soft-strong) 100%);
  color: var(--color-error-strong);
  border-color: var(--color-error-soft-border);
}

[data-theme="dark"] .toast-success,
body[data-theme="dark"] .toast-success {
  background: linear-gradient(135deg, var(--color-info-soft) 0%, var(--color-info-soft-strong) 100%);
  color: var(--color-info-strong);
  border-color: var(--color-info-accent-border);
}

[data-theme="dark"] .toast-error,
body[data-theme="dark"] .toast-error {
  background: linear-gradient(135deg, var(--color-error-soft) 0%, var(--color-error-soft-strong) 100%);
  color: var(--color-error-strong);
  border-color: var(--color-error-soft-border);
}