/* ── Skeleton Loading ─────────────────────────────────── */
.skeleton-block {
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  min-height: 1rem;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}
.skeleton-text {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.skeleton-line {
  height: 0.7rem;
  background: var(--bg-surface);
  border-radius: 4px;
  animation: shimmer 1.5s infinite;
}
.skeleton-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.skeleton-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.skeleton-stats {
  display: flex;
  gap: 0.5rem;
  overflow: hidden;
}
.skeleton-stat-card {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  min-height: 3rem;
  animation: shimmer 1.5s infinite;
}

/* ── Footer ───────────────────────────────────────────── */
.app-footer {
  border-top: 1px solid var(--border-hairline);
  margin-top: 2rem;
  padding: 1.1rem 0;
}
.footer-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.72rem;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
}
.footer-links a:hover {
  color: var(--text-primary);
}
.footer-sep {
  color: var(--border-hairline-strong);
}
.footer-disclaimer {
  color: var(--text-muted);
  opacity: 0.7;
}

/* ── Toast Notification ───────────────────────────────── */
.toast-notification {
  position: fixed;
  bottom: calc(var(--nav-height) + 1rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline-strong);
  color: var(--text-primary);
  font-size: 0.78rem;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  z-index: 9999;
  pointer-events: none;
  animation: toast-in 0.3s ease-out;
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ── Animations (GPU-accelerated) ──────────────────────── */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.animate-fade-in {
  animation: fadeIn 0.3s ease-out;
}
.animate-slide-up {
  animation: slideUp 0.35s ease-out;
}
.animate-scale-in {
  animation: scaleIn 0.25s ease-out;
}

/* ── Back to Top ──────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: calc(var(--nav-height) + 0.75rem);
  right: 1rem;
  z-index: 45;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition-speed),
    border-color var(--transition-speed);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  border-color: var(--border-hairline-strong);
  color: var(--text-primary);
}

/* ── Bundle Highlight Animation ───────────────────────── */
.bundle-highlight-pulse {
  animation: highlight-flash 1.5s ease;
}
@keyframes highlight-flash {
  0%,
  100% {
    background: var(--bg-surface);
  }
  30% {
    background: var(--accent-dim);
  }
}
.app-highlight-flash {
  animation: highlight-flash 1.5s ease;
}

/* ── Search Bar ───────────────────────────────────────── */
.search-bar {
  position: relative;
}
.search-bar-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  opacity: 0.6;
}
.search-bar input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem 0.5rem 2rem;
  color: var(--text-primary);
  font-family: var(--font-stack);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition-speed);
}
.search-bar input::placeholder {
  color: var(--text-muted);
}
.search-bar input:focus {
  border-color: var(--text-muted);
}
.search-bar-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: none;
}
.search-bar-clear.visible {
  display: block;
}
.search-bar-clear:hover {
  color: var(--text-primary);
}

/* ── Bundle Detail Apps Grid ──────────────────────────── */
.bundle-detail-apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 0.65rem;
}

/* ── No Apps Message ──────────────────────────────────── */
.no-apps-msg {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Error Page (from index.html) ─────────────────────── */
.error-page-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-void);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.error-page-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 560px;
  width: 100%;
}
.error-page-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--state-critical-dim);
  color: var(--state-critical);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.error-page-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.error-page-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.error-page-details {
  margin-bottom: 1.5rem;
}
.error-page-section {
  margin-bottom: 0.75rem;
}
.error-page-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.error-page-value {
  font-size: 0.82rem;
  font-family: var(--mono-stack);
  display: block;
  margin-top: 0.2rem;
}
.error-page-message {
  word-break: break-all;
}
.error-page-pre {
  font-size: 0.72rem;
  font-family: var(--mono-stack);
  max-height: 120px;
  overflow: auto;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.5rem;
  border-radius: 6px;
  margin-top: 0.3rem;
}
.error-page-tech-list {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 1.2rem;
  margin: 0.3rem 0 0;
}
.error-page-actions {
  display: flex;
  gap: 0.5rem;
}
.error-page-btn {
  font-family: var(--font-stack);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
}
.error-page-btn-primary {
  background: var(--text-primary);
  color: var(--bg-void);
}
.error-page-btn-primary:hover {
  opacity: 0.9;
}
.error-page-btn-copy {
  background: var(--bg-surface-inner);
  color: var(--text-muted);
  border: 1px solid var(--border-hairline);
}
.error-page-btn-copy:hover {
  color: var(--text-primary);
  border-color: var(--border-hairline-strong);
}