/* Container for navbar switch elements, aligned horizontally with spacing */
.navbar-switcher-container {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* Dropdown wrapper with relative positioning for absolute panel placement */
.navbar-dropdown {
    position: relative;
}

/* Styling for dropdown trigger button */
.navbar-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--pst-color-text-base);
    background: transparent;
    border-radius: 6px;
    transition: all 0.2s ease;
    user-select: none;
}

/* Hover effect for dropdown trigger */
.navbar-dropdown-trigger:hover {
    background: var(--pst-color-surface);
    color: var(--pst-color-primary);
}

/* Dropdown icon animation */
.navbar-dropdown-trigger .dropdown-icon {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

/* Dropdown panel: hidden by default, positioned below trigger */
.navbar-dropdown-panel {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 160px;
    margin-top: 0.25rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 1000;
    padding-top: 0.25rem;
}

/* Show dropdown panel on hover */
.navbar-dropdown:hover .navbar-dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown content: styled popup with border, shadow, and scroll support */
.dropdown-content {
    background: var(--pst-color-background);
    border: 1px solid var(--pst-color-border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 0.5rem;
    overflow: hidden;
}

/* Version list scroll enhancements */
.dropdown-content.version-list {
    max-height: 320px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--pst-color-border) transparent;
}

/* WebKit scrollbar styling for version list */
.dropdown-content.version-list::-webkit-scrollbar {
    width: 6px;
}

.dropdown-content.version-list::-webkit-scrollbar-track {
    background: transparent;
}

.dropdown-content.version-list::-webkit-scrollbar-thumb {
    background: var(--pst-color-border);
    border-radius: 3px;
}

.dropdown-content.version-list::-webkit-scrollbar-thumb:hover {
    background: var(--pst-color-text-muted);
}

/* Individual dropdown menu items */
.dropdown-item {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--pst-color-text-base);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.15s ease;
    font-size: 0.875rem;
    white-space: nowrap;
}

/* Hover state for dropdown items */
.dropdown-item:hover {
    background: var(--pst-color-surface);
    color: var(--pst-color-primary);
}

/* Active state for selected item */
.dropdown-item.active {
    background: var(--pst-color-primary);
    color: white;
    font-weight: 600;
}

/* Primary sidebar with responsive width */
.bd-sidebar-primary {
    max-width: 20%;
    transition: max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hide sidebar when collapsed */
body.sidebar-collapsed .bd-sidebar-primary {
    max-width: 0 !important;
    transform: translateX(-100%);
    visibility: hidden;
    opacity: 0;
}

/* Main content container with fluid max-width */
.bd-main .bd-content .bd-article-container {
    max-width: 100%;
    transition: max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Expand article width when sidebar is collapsed */
body.sidebar-collapsed .bd-main .bd-content .bd-article-container,
body.sidebar-collapsed .bd-content,
body.sidebar-collapsed .bd-article {
    max-width: 100% !important;
}

/* Main layout transition */
.bd-main {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Grid layout transition for container */
.bd-container__inner {
    transition: grid-template-columns 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Align toggle button and breadcrumb in header */
.header-article-items__start {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
}

/* Sidebar collapse toggle button */
.sidebar-collapse-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    color: var(--pst-color-text-base, #666);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s ease;
    opacity: 0;
    pointer-events: none;
}

/* Show toggle only when primary sidebar is present */
body:has(.bd-sidebar-primary:not(.hide-on-wide)) .sidebar-collapse-toggle {
    opacity: 1;
    pointer-events: auto;
}

/* Hover effect for collapse toggle */
.sidebar-collapse-toggle:hover {
    background: var(--pst-color-surface, rgba(0, 0, 0, 0.05));
    color: var(--pst-color-primary, #0069d9);
}

/* Active press state */
.sidebar-collapse-toggle:active {
    transform: scale(0.95);
}

/* Icon rotation animation */
.sidebar-collapse-toggle i {
    transition: transform 0.2s ease;
}

/* Rotate icon when sidebar is collapsed */
body.sidebar-collapsed .sidebar-collapse-toggle i {
    transform: rotate(180deg);
}

/* Prevent breadcrumb wrapping */
.header-article-items__start .breadcrumb,
.header-article-items__start nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

/* Responsive layout for desktop */
@media (min-width: 960px) {
    .bd-container__inner {
        display: grid;
        grid-template-columns: var(--pst-sidebar-primary-width, 17rem) 1fr;
        gap: 1rem;
    }

    /* Collapse sidebar column */
    body.sidebar-collapsed .bd-container__inner {
        grid-template-columns: 0 1fr !important;
        gap: 0;
    }

    /* Full-width main content when collapsed */
    body.sidebar-collapsed .bd-main {
        max-width: 100% !important;
        grid-column: 1 / -1;
    }

    body.sidebar-collapsed .bd-content {
        max-width: 100% !important;
        display: grid;
        grid-template-columns: 1fr auto;
    }

    body.sidebar-collapsed .bd-article-container {
        max-width: 100% !important;
    }
}

/* Dark mode hover styling */
html[data-theme="dark"] .sidebar-collapse-toggle:hover,
html[data-mode="dark"] .sidebar-collapse-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--pst-color-primary, #4dabf7);
}

/* Hide toggle on mobile and print */
@media (max-width: 959px),
      (max-width: 768px),
      print {
    .sidebar-collapse-toggle {
        display: none !important;
    }
}

/* Mobile navbar adjustments */
@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .navbar-switcher-container {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* Center dropdown panel on mobile */
    .navbar-dropdown-panel {
        position: fixed;
        left: 50%;
        transform: translateX(-50%) translateY(-8px);
        right: auto;
    }

    .navbar-dropdown:hover .navbar-dropdown-panel {
        transform: translateX(-50%) translateY(0);
    }
}