.navbar {
  background: var(--overlay);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 41;
  padding: 0.75rem 1rem;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 100%;
  margin: 0 auto;
}

/* Navbar Sections */
.navbar-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-left,
.navbar-right {
  flex: 1;
}

.navbar-center {
  flex: 2;
  justify-content: center;
}

.navbar-left {
  justify-content: flex-start;
}

.navbar-right {
  justify-content: flex-end;
}

/* Navbar Brand */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  transition: opacity 0.2s ease;
}

.navbar-brand:hover {
  opacity: 0.8;
}

.navbar-brand-icon {
  font-size: var(--text-2xl);
  color: var(--accent);
}

.navbar-brand-text {
  font-family: var(--font-head);
  font-size: var(--text-sm);
  font-weight: var(--w-semi);
}

/* Base Navbar Button */
.navbar-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--overlay);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  font-family: var(--font-text);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  gap: 0.5rem;
}

.navbar-button:hover {
  background: var(--subtle);
  border-color: var(--border);
}

.navbar-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Button Variants */
.navbar-button-icon {
  padding: 0.5rem;
  aspect-ratio: 1;
}

.navbar-button-with-text {
  padding: 0.5rem 1rem;
}

.navbar-button-search {
  background: var(--overlay);
  border-color: var(--border);
  min-width: 12rem;
  justify-content: flex-start;
}

.navbar-button-search:hover {
  background: var(--subtle);
  border-color: var(--border);
}

/* Button Components */
.navbar-button-icon {
  font-size: var(--text-md);
}

.navbar-button-label {
  font-weight: var(--w-normal);
  white-space: nowrap;
}

.navbar-button-text {
  font-size: var(--text-sm);
  font-weight: var(--w-normal);
  margin-left: 0.25rem;
}

.navbar-button-shortcut {
  background: var(--inset);
  color: var(--text-soft);
  border: 1px solid var(--border-soft);
  border-radius: 0.25rem;
  padding: 0.125rem 0.375rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  margin-left: auto;
}

/* Responsive Behavior */
@media (max-width: 640px) {
  .navbar-button-label {
    display: none;
  }
  
  .navbar-button-search {
    min-width: auto;
    padding: 0.5rem;
  }
  
  .navbar-button-shortcut {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar-button-text {
    display: none;
  }
  
  .navbar-button-with-text {
    padding: 0.5rem;
    aspect-ratio: 1;
  }
}

/* Tooltip Support */
.navbar-button[data-tooltip] {
  position: relative;
}

.navbar-button[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--overlay);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: var(--text-xs);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 50;
  margin-bottom: 0.5rem;
}

.navbar-button[data-tooltip]:hover::after {
  opacity: 1;
}