/* ========================================
   Sidebar Layout Styles
   ======================================== */

/* Sidebar container */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
    color: #ecf0f1;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.3s ease-in-out, width 0.3s ease-in-out;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

/* Sidebar header */
.sidebar-header {
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.sidebar-header h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

.sidebar-header a {
    transition: opacity 0.2s;
}

.sidebar-header a:hover {
    opacity: 0.8;
}

/* Sidebar content area */
.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem 0;
}

/* Custom scrollbar for sidebar */
.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Navigation groups */
.nav-group {
    margin-bottom: 1rem;
}

/* Navigation group headers (collapsible) */
.nav-group-header {
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #bdc3c7;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: all 0.2s;
    user-select: none;
}

.nav-group-header:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #ecf0f1;
}

.nav-group-header .collapse-icon {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.nav-group-header[aria-expanded="true"] .collapse-icon {
    transform: rotate(180deg);
}

/* Static group headers (non-collapsible) */
.nav-group-header-static {
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #bdc3c7;
    display: flex;
    align-items: center;
}

/* Navigation items */
.nav-item {
    display: flex;
    align-items: center;
    padding: 0.65rem 1.25rem 0.65rem 2.5rem;
    color: #ecf0f1;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.95rem;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #3498db;
    transform: scaleY(0);
    transition: transform 0.2s;
}

.nav-item:hover {
    background: rgba(52, 152, 219, 0.15);
    color: #fff;
    padding-left: 2.75rem;
}

.nav-item:hover::before {
    transform: scaleY(1);
}

.nav-item.active,
.nav-item:active {
    background: rgba(52, 152, 219, 0.25);
    color: #fff;
    font-weight: 500;
}

.nav-item.active::before {
    transform: scaleY(1);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

/* Sidebar footer */
.sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    flex-shrink: 0;
}

.user-info {
    color: #ecf0f1;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
}

.sidebar-footer .btn {
    font-size: 0.85rem;
}

.language-switcher .btn {
    font-size: 0.75rem;
}

/* Content wrapper */
.content-wrapper {
    margin-left: 280px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease-in-out;
}

/* Top bar */
.top-bar {
    background: #fff;
    border-bottom: 1px solid #dee2e6;
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1040;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.top-bar #sidebarToggleTop {
    padding: 0.25rem 0.5rem;
}

/* Page content */
.page-content {
    flex: 1;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

/* Footer adjustments */
.content-wrapper .footer {
    margin-top: auto;
    padding: 1rem 0;
    background: #f8f9fa;
}

/* Sidebar collapsed state */
.sidebar.collapsed {
    transform: translateX(-280px);
}

.content-wrapper.sidebar-collapsed {
    margin-left: 0;
}

/* Mobile responsive */
@media (max-width: 767.98px) {
    .sidebar {
        transform: translateX(-280px);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .content-wrapper {
        margin-left: 0;
    }

    /* Overlay for mobile */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        display: none;
    }

    .sidebar-overlay.show {
        display: block;
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 991.98px) {
    .sidebar {
        width: 240px;
    }

    .content-wrapper {
        margin-left: 240px;
    }

    .sidebar.collapsed {
        transform: translateX(-240px);
    }

    .nav-item {
        font-size: 0.9rem;
    }
}

/* Animation for collapse transitions */
.collapse {
    transition: height 0.3s ease;
}

.collapsing {
    transition: height 0.3s ease;
}

/* Badge styles in navigation */
.nav-item .badge {
    font-size: 0.7rem;
    padding: 0.25em 0.5em;
}

/* Print styles */
@media print {
    .sidebar {
        display: none;
    }

    .content-wrapper {
        margin-left: 0;
    }

    .top-bar {
        display: none;
    }
}