client/src/css/components/_app-header.scss

@use "breakpoints" as *;

$font-mono: var(--font-icon), 'JetBrains Mono', monospace;

.app-header {
  position: relative;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1rem;
  background: transparent;
  box-sizing: border-box;
  padding: max(10px, env(safe-area-inset-top)) 20px 10px 20px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.app-header-brand {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-right: 1px solid var(--border-color);
  padding-right: 1rem;
}

.app-header-num {
  font-family: $font-mono;
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.app-header-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-color);
  transition: opacity 0.15s ease;

  &:hover {
    opacity: 0.7;
  }
}

.app-header-logo-aperture {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  animation: aperture-rotate 20s linear infinite;
}

.app-header-logo-text {
  font-family: $font-mono;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.app-header-title-block {
  flex: 1 1 auto;
  min-width: 0;
}

.app-header-extra {
  flex: 0 1 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;

  &:empty {
    display: none;
  }
}

.app-header-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  margin-left: auto;
}

@media (max-width: $breakpoint-mobile) {
  .app-header {
    gap: 0.5rem;
    padding: max(8px, env(safe-area-inset-top)) 12px 8px 12px;
  }

  .app-header-brand {
    padding-right: 0.5rem;
  }

  .app-header-logo-text {
    display: none;
  }
}

body.nav-landing-page .app-header {
  border-bottom: none;
  background: transparent;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: max(12px, env(safe-area-inset-top)) max(1.25rem, env(safe-area-inset-right)) 12px max(1.25rem, env(safe-area-inset-left));

  .app-header-brand {
    border-right: none;
  }
}