/* ============================================
   STANDALONE SIDEBAR NAVIGATION - DARK THEME
   Collapsible sidebar with rounded borders
   ============================================ */

:root {
    --sidebar-width: 270px;
    --sidebar-collapsed-width: 90px;
    --header-height: 60px;
}

/* Sidebar container - Standalone with rounded borders */
[data-theme="dark"] .sidebar {
    position: fixed;
    left: 20px;
    top: 20px;
    bottom: 20px;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    z-index: var(--z-fixed);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width var(--transition-slow);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Collapsed state - Icon only */
[data-theme="dark"] .sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

/* Sidebar header (logo + toggle area) */
[data-theme="dark"] .sidebar-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90px;
    position: relative;
    flex-shrink: 0;
}

/* Logo container */
[data-theme="dark"] .sidebar-logo-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .sidebar-logo {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: cover;
    transition: all var(--transition-base);
}

/* Collapsed state logo */
[data-theme="dark"] .sidebar.collapsed .sidebar-logo {
    width: 40px;
    height: 40px;
}

/* Toggle button in top right */
[data-theme="dark"] .sidebar-toggle-btn {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
    font-size: 14px;
}

[data-theme="dark"] .sidebar-toggle-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

/* Collapsed state - hide toggle initially, show on hover */
[data-theme="dark"] .sidebar.collapsed .sidebar-toggle-btn {
    opacity: 0;
}

[data-theme="dark"] .sidebar.collapsed:hover .sidebar-toggle-btn {
    opacity: 1;
}

/* Rotate icon when collapsed */
[data-theme="dark"] .sidebar.collapsed .sidebar-toggle-btn i {
    transform: rotate(180deg);
}

/* Sidebar navigation */
[data-theme="dark"] .sidebar-nav {
    flex: 1;
    padding: var(--space-3) 0;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Hide scrollbar but keep functionality */
[data-theme="dark"] .sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

[data-theme="dark"] .sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

[data-theme="dark"] .sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-full);
}

[data-theme="dark"] .sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

[data-theme="dark"] .sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

[data-theme="dark"] .sidebar-menu-item {
    margin-bottom: var(--space-1);
}

/* Menu links */
[data-theme="dark"] .sidebar-menu-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-base);
    border-radius: 12px;
    margin: 0 12px;
    position: relative;
    white-space: nowrap;
}

[data-theme="dark"] .sidebar-menu-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

[data-theme="dark"] .sidebar-menu-link.active {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

/* Collapsed state - center menu items, hide text */
[data-theme="dark"] .sidebar.collapsed .sidebar-menu-link {
    justify-content: center;
    padding: 12px;
    margin: 0 8px;
}

[data-theme="dark"] .sidebar.collapsed .sidebar-menu-link span:not(.sidebar-menu-icon) {
    display: none;
}

/* Menu icons */
[data-theme="dark"] .sidebar-menu-icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

/* Collapsed state - remove margin from icon */
[data-theme="dark"] .sidebar.collapsed .sidebar-menu-icon {
    margin-right: 0;
}

/* Menu with submenu */
[data-theme="dark"] .sidebar-menu-item.has-submenu>.sidebar-menu-link::after {
    content: '\f054';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 10px;
    margin-left: auto;
    transition: transform var(--transition-base);
}

[data-theme="dark"] .sidebar-menu-item.has-submenu.open>.sidebar-menu-link::after {
    transform: rotate(90deg);
}

/* Collapsed state - hide submenu arrow */
[data-theme="dark"] .sidebar.collapsed .sidebar-menu-item.has-submenu>.sidebar-menu-link::after {
    display: none;
}

/* Submenu */
[data-theme="dark"] .sidebar-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

[data-theme="dark"] .sidebar-menu-item.has-submenu.open .sidebar-submenu {
    max-height: 500px;
}

/* Collapsed state - hide submenus completely */
[data-theme="dark"] .sidebar.collapsed .sidebar-submenu {
    display: none;
}

[data-theme="dark"] .sidebar-submenu-item {
    margin-bottom: var(--space-1);
}

[data-theme="dark"] .sidebar-submenu-link {
    display: flex;
    align-items: center;
    padding: 8px 20px 8px 48px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    transition: all var(--transition-base);
    border-radius: 8px;
    margin: 0 12px;
}

[data-theme="dark"] .sidebar-submenu-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

[data-theme="dark"] .sidebar-submenu-link.active {
    color: var(--accent-blue);
}

/* Sidebar footer - Version info */
[data-theme="dark"] .sidebar-footer {
    margin-top: auto;
    padding: var(--space-4);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    flex-shrink: 0;
}

[data-theme="dark"] .sidebar-version {
    font-size: 11px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

[data-theme="dark"] .sidebar-version strong {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 2px;
    font-size: 12px;
}

/* Collapsed state - hide version text */
[data-theme="dark"] .sidebar.collapsed .sidebar-footer {
    padding: var(--space-2);
}

[data-theme="dark"] .sidebar.collapsed .sidebar-version {
    font-size: 9px;
}

[data-theme="dark"] .sidebar.collapsed .sidebar-version strong {
    font-size: 10px;
}

/* Main content area adjustment for standalone sidebar */
[data-theme="dark"] .main-wrapper {
    margin-left: calc(var(--sidebar-width) + 40px);
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
    padding: 20px;
}

[data-theme="dark"] .sidebar.collapsed~.main-wrapper {
    margin-left: calc(var(--sidebar-collapsed-width) + 40px);
}

/* Simplified header when sidebar exists */
[data-theme="dark"] .header-with-sidebar {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    margin-bottom: 20px;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    min-height: var(--header-height);
    /* Removed overflow: hidden to allow dropdowns to be visible */
}

[data-theme="dark"] .header-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

[data-theme="dark"] .header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    height: 100%;
}

/* User profile and notification constraints in header */
[data-theme="dark"] .header-actions .dropdown {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
    /* Ensure relative positioning for dropdown menu */
}

/* Fix for button and link vertical centering and clickability */
[data-theme="dark"] .header-actions .btn-link,
[data-theme="dark"] .header-actions .nav-link {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 var(--space-3) !important;
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

[data-theme="dark"] .header-actions .btn-link:hover,
[data-theme="dark"] .header-actions .nav-link:hover {
    color: var(--text-primary);
    text-decoration: none;
}

[data-theme="dark"] .header-actions .user-avatar {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-medium);
}

[data-theme="dark"] .header-actions .nav-link span {
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: var(--font-weight-medium);
}

/* Mobile: Hide sidebar by default, slide in when opened */
@media (max-width: 768px) {
    [data-theme="dark"] .sidebar {
        left: -100%;
        top: 0;
        bottom: 0;
        border-radius: 0;
        width: var(--sidebar-width);
        transition: left var(--transition-slow);
    }

    [data-theme="dark"] .sidebar.open {
        left: 0;
    }

    [data-theme="dark"] .main-wrapper {
        margin-left: 0;
        padding: 10px;
    }

    [data-theme="dark"] .sidebar.collapsed~.main-wrapper {
        margin-left: 0;
    }

    [data-theme="dark"] .sidebar-toggle-btn {
        opacity: 1;
    }
}

/* Sidebar mobile toggle button (in header) */
[data-theme="dark"] .sidebar-mobile-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: none;
}

[data-theme="dark"] .sidebar-mobile-toggle:hover {
    background: var(--bg-card-hover);
}

@media (max-width: 768px) {
    [data-theme="dark"] .sidebar-mobile-toggle {
        display: block;
    }
}