/* Header and navigation */
.site-header {
  position: fixed;
  top: 10px;
  left: 10px;
  right: 10px;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.site-header__left,
.theme-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  pointer-events: auto;
}

@supports (color: color-mix(in srgb, #000 50%, #fff)) {
  .site-header__left,
  .theme-tools {
    background: color-mix(in srgb, var(--panel) 88%, transparent);
  }
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  color: var(--text);
  font-weight: 800;
  white-space: nowrap;
}

.site-brand__primary {
  margin-left: 9px;
}

.site-brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
}

.site-nav,
.theme-tools {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a,
.icon-button {
  min-width: 38px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.site-nav a {
  padding: 0 12px;
  font-size: 14px;
}

.icon-button {
  width: 36px;
  padding: 0;
}

.site-nav a:hover,
.icon-button:hover {
  background: var(--panel-muted);
  color: var(--text);
}

.page-download .site-nav a[href="/"],
.page-stats .site-nav a[href="/stats"],
.page-about .site-nav a[href="/about"],
.page-api-docs .site-nav a[href="/api-docs"] {
  background: var(--panel-muted);
  color: var(--text);
}

.site-nav svg,
.icon-button svg {
  width: 18px;
  height: 18px;
  color: currentColor;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-nav svg *,
.icon-button svg * {
  fill: none;
  stroke: currentColor;
}

.page-loading-bar {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  width: 0;
  height: 3px;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(255, 164, 54, .46);
  opacity: 0;
  transition: width .22s ease, opacity .18s ease;
}

.page-loading-bar.is-loading {
  width: 82%;
  opacity: 1;
}