/* Resilience / Fallback UI Styles */
.rf-toast-container {
  position: fixed;
  bottom: var(--s-4);
  right: var(--s-4);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  pointer-events: none;
}

.rf-toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  max-width: 360px;
  font-size: 0.875rem;
  line-height: 1.4;
  border-radius: var(--r-3);
  box-shadow: var(--shadow-3);
  transform: translateX(calc(100% + var(--s-4)));
  opacity: 0;
  transition: transform var(--t-normal) var(--ease-out), opacity var(--t-normal) var(--ease-out);
  pointer-events: auto;
}

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

.rf-toast-info {
  background: var(--paper);
  border: 1px solid var(--ink-8);
  color: var(--ink);
}

.rf-toast-success {
  background: #ecfdf5;
  border: 1px solid #10b981;
  color: #065f46;
}

[data-theme="dark"] .rf-toast-success {
  background: #064e3b;
  border-color: #10b981;
  color: #a7f3d0;
}

.rf-toast-warn {
  background: #fffbeb;
  border: 1px solid #f59e0b;
  color: #92400e;
}

[data-theme="dark"] .rf-toast-warn {
  background: #78350f;
  border-color: #f59e0b;
  color: #fde68a;
}

.rf-toast-error {
  background: #fef2f2;
  border: 1px solid #ef4444;
  color: #991b1b;
}

[data-theme="dark"] .rf-toast-error {
  background: #7f1d1d;
  border-color: #ef4444;
  color: #fecaca;
}

.rf-toast-text {
  flex: 1;
}

.rf-toast-close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: currentColor;
  background: transparent;
  border: none;
  border-radius: var(--r-1);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--t-fast) var(--ease);
}

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

/* Fallback UI */
.resilience-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: var(--s-8) var(--s-4);
  text-align: center;
  color: var(--ink-3);
}

.rf-icon {
  font-size: 3rem;
  margin-bottom: var(--s-3);
  opacity: 0.5;
}

.rf-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--s-2);
}

.rf-text {
  max-width: 400px;
  margin-bottom: var(--s-4);
  color: var(--ink-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.rf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  justify-content: center;
  margin-bottom: var(--s-4);
}

.rf-retry {
  padding: var(--s-2) var(--s-4);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--paper);
  background: var(--blue);
  border: none;
  border-radius: var(--r-2);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease);
}

.rf-retry:hover { background: var(--blue-2); }

.rf-home {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  padding: var(--s-2) var(--s-4);
  font-size: 0.875rem;
  color: var(--ink-3);
  border: 1px solid var(--ink-8);
  border-radius: var(--r-2);
  text-decoration: none;
  transition: all var(--t-fast) var(--ease);
}

.rf-home:hover {
  color: var(--blue);
  border-color: var(--blue);
}

.rf-details {
  max-width: 500px;
  text-align: left;
}

.rf-details summary {
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--ink-4);
  margin-bottom: var(--s-2);
}

.rf-details pre {
  padding: var(--s-3);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--ink-5);
  background: var(--paper);
  border: 1px solid var(--ink-8);
  border-radius: var(--r-2);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.rf-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  color: var(--ink-4);
  font-size: 0.9375rem;
}

/* Network status indicator */
[data-network="offline"] .app-header::after,
[data-network="offline"] .studio-topbar::after {
  content: 'ออฟไลน์';
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #92400e;
  background: #fffbeb;
  border: 1px solid #f59e0b;
  border-radius: var(--r-1);
  margin-left: var(--s-2);
  text-transform: uppercase;
}

[data-theme="dark"] [data-network="offline"] .app-header::after,
[data-theme="dark"] [data-network="offline"] .studio-topbar::after {
  background: #78350f;
  border-color: #f59e0b;
  color: #fde68a;
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--paper-2) 25%,
    var(--paper-3) 37%,
    var(--paper-2) 63%
  );
  background-size: 400% 100%;
  animation: skeleton 1.2s ease-in-out infinite;
  border-radius: var(--r-1);
}

@keyframes skeleton {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--s-2);
}

.skeleton-text:last-child { width: 60%; }

.skeleton-box {
  height: 120px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; background: var(--paper-2); }
  .rf-toast { transition: none; }
}