/* Standalone Navigation System - CSS */

:root {
    --bg-primary: #F9FAFB;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F3F4F6;
    --text-primary: #1A1A1A;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --accent-green: #10B981;
    --accent-blue: #3B82F6;
    --accent-orange: #F59E0B;
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --sidebar-width: 280px;
    --sidebar-collapsed: 64px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar.collapsed.hovered:not(.locked) {
    width: var(--sidebar-width);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Make logo larger when expanded */
.sidebar:not(.collapsed) .logo {
    width: 40px;
    height: 40px;
}

.logo-text {
    display: block;
    font-size: 16px;
    font-weight: 200;
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 1;
    transition: var(--transition-smooth);
}

.sidebar.collapsed .logo-text {
    opacity: 0;
    width: 0;
    display: none;
}

.sidebar.collapsed.hovered:not(.locked) .logo-text {
    opacity: 1;
    width: auto;
    display: block;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* When expanded: arrow points left, when collapsed: arrow points right */
.sidebar.collapsed .sidebar-toggle {
    /* justify-content: center; */
}

/* Don't apply CSS rotation - let JavaScript handle icon changes */
.sidebar-toggle i {
    transform: none;
}

/* Ensure arrow icon maintains proper size */
.sidebar-toggle i {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* Sidebar Footer */
.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-light);
    padding: 8px;
}

/* External Site Specific Styles - Add spacing for hidden header */
.sidebar.external-site .nav-menu .nav-section:first-child {
    padding-top: 42px;
}

/* External Site Specific Styles - Show arrows when expanded, hide when collapsed */
.sidebar.external-site .nav-arrow {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    width: 16px !important;
    height: 16px !important;
    margin-left: 8px !important;
}

.sidebar.external-site.collapsed .nav-arrow,
.sidebar.external-site.collapsed.hovered .nav-arrow,
.sidebar.external-site.collapsed.locked .nav-arrow {
    display: none !important;
}

.sidebar.external-site .sidebar-footer,
.sidebar.external-site.collapsed .sidebar-footer,
.sidebar.external-site.collapsed.hovered .sidebar-footer,
.sidebar.external-site.collapsed.locked .sidebar-footer {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    margin-top: auto !important;
    border-top: 1px solid var(--border-light) !important;
    padding: 8px !important;
}

.sidebar.external-site .sidebar-toggle,
.sidebar.external-site.collapsed .sidebar-toggle,
.sidebar.external-site.collapsed.hovered .sidebar-toggle,
.sidebar.external-site.collapsed.locked .sidebar-toggle {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
    background: none !important;
    border: none !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    padding: 12px !important;
    border-radius: var(--radius-sm) !important;
    width: 100% !important;
    align-items: center !important;
    justify-content: flex-start !important;
}

.sidebar.external-site .sidebar-expander,
.sidebar.external-site.collapsed .sidebar-expander,
.sidebar.external-site.collapsed.hovered .sidebar-expander,
.sidebar.external-site.collapsed.locked .sidebar-expander {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* Sidebar Expander - clickable area when collapsed and locked */
.sidebar-expander {
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: transparent;
    cursor: pointer;
    z-index: 1001;
    display: none;
}

.sidebar.collapsed.locked .sidebar-expander {
    display: block;
}

.sidebar.collapsed.locked .sidebar-expander:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Navigation Menu */
.nav-menu {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 8px;
}

.nav-item {
    margin-bottom: 4px;
}

.nav-link {
    width: calc(100% - 16px);
    display: flex;
    align-items: center;
    padding: 12px 12px 12px 16px;
    background: none;
    border: 0px solid transparent;
    border-radius: 50px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: left;
    font-size: 20px;
    font-weight: 500;
    margin: 2px 8px;
    font-family: TwitterChirp, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    text-decoration: none;
}

.nav-link:link,
.nav-link:visited {
    color: var(--text-secondary);
}

.nav-link:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-medium);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.nav-link.active {
    font-weight: 800;
    color: var(--text-primary);
}

/* Only show background when collapsed */
.sidebar.collapsed .nav-link.active {
    background: var(--bg-tertiary);
}
.sidebar.collapsed.hovered:not(.locked) .nav-link.active {
    background: none;
}

.nav-icon {
    width: 22px;
    height: 22px;
    margin-right: 12px;
    flex-shrink: 0;
    color: inherit;
}

.nav-link:link .nav-icon,
.nav-link:visited .nav-icon {
    color: var(--text-secondary);
}

.nav-text {
    flex: 1;
    white-space: nowrap;
    opacity: 1;
    transition: var(--transition-smooth);
    display: block;
}

.sidebar.collapsed .nav-text {
    opacity: 0;
    width: 0;
    display: none;
}

.sidebar.collapsed.hovered:not(.locked) .nav-text {
    opacity: 1;
    width: auto;
    display: block;
}

.nav-arrow {
    width: 16px;
    height: 16px;
    margin-left: 8px;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.nav-arrow.expanded {
    transform: rotate(90deg);
}

.sidebar.collapsed .nav-arrow {
    display: none;
}

.sidebar.collapsed .nav-link {
    margin-left: 8px;
    justify-content: center;
    position: relative;
    z-index: 10001;
}

.sidebar.collapsed .nav-icon {
    margin-right: 0;
}

.sidebar.collapsed.hovered:not(.locked) .nav-arrow {
    opacity: 1;
    width: 16px;
}

/* Subnav Styles */
.subnav {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-smooth);
    background: transparent;
}

.subnav.expanded {
    max-height: 300px;
}

.subnav-link {
    display: flex;
    align-items: center;
    padding: 8px 20px 8px 52px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition-smooth);
}

.subnav-link:link,
.subnav-link:visited {
    color: var(--text-secondary);
}

.subnav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.subnav-link.active {
    color: var(--accent-blue);
    background: var(--bg-secondary);
    font-weight: 500;
}

.subnav-icon {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    flex-shrink: 0;
    color: inherit;
}

.subnav-link:link .subnav-icon,
.subnav-link:visited .subnav-icon {
    color: var(--text-secondary);
}

.sidebar.collapsed .subnav {
    display: none;
}

.sidebar.collapsed.hovered:not(.locked) .subnav {
    display: block;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: var(--transition-smooth);
    min-height: 100vh;
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .logo-text {
        display: none;
    }
    
    .mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }
    
    .mobile-overlay.active {
        display: block;
    }
}

/* Tooltips for collapsed sidebar */
.nav-tooltip {
    position: fixed;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0;
    border-radius: 24px;
    font-size: 16px;
    font-weight: 500;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: auto;
    opacity: 0;
    transition: opacity 0.2s ease;
    height: 48px;
    display: flex;
    align-items: center;
}

.nav-tooltip.show {
    opacity: 1;
}

.tooltip-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.tooltip-text {
    flex: 1;
    padding: 0 18px 0 0;
}

.tooltip-link {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0 12px 0 24px;
    font: inherit;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    height: 100%;
    border-radius: 24px;
    transition: var(--transition-smooth);
    margin: 0 -12px;
}

.tooltip-link:hover {
    background: rgba(255, 255, 255, 0.1);
}