/* App Header Framework Styles */
:root {
  --appframe-bg: rgba(20, 22, 26, 0.8);
  --appframe-border: rgba(255, 255, 255, 0.08);
  --appframe-text: #e8eef7;
  --appframe-muted: #b7c2d0;
  --appframe-accent: #5aa9ff;
  --appframe-hover: rgba(255, 255, 255, 0.06);
}

.appframe-header {
  position: sticky;
  top: 0;
  inset-inline: 0;
  background: var(--appframe-bg);
  backdrop-filter: saturate(120%) blur(8px);
  -webkit-backdrop-filter: saturate(120%) blur(8px);
  color: var(--appframe-text);
  border-bottom: 1px solid var(--appframe-border);
  z-index: 1000;
}

.appframe-container {
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1200px;
}

.appframe-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.appframe-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: contain;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--appframe-border);
}

.appframe-titles {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.appframe-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--appframe-text);
}

.appframe-subtitle {
  font-size: 12px;
  color: var(--appframe-muted);
  line-height: 1.1;
}

.appframe-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.appframe-link {
  color: var(--appframe-text);
  text-decoration: none;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
}

.appframe-link:hover {
  background: var(--appframe-hover);
  border-color: var(--appframe-border);
}

.appframe-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.appframe-button {
  appearance: none;
  border: 1px solid var(--appframe-border);
  background: transparent;
  color: var(--appframe-text);
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 8px;
  cursor: pointer;
}

.appframe-button:hover {
  background: var(--appframe-hover);
}

.appframe-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  width: 30px;
  height: 30px;
}

.appframe-icon-button svg {
  display: block;
  color: var(--appframe-text);
}

@media (max-width: 520px) {
  .appframe-subtitle { display: none; }
  .appframe-nav { display: none; }
}