/* Sidebar Styles */
.opportunities-sidebar {
    width: 280px;
    min-height: 100vh;
    background: #fff;
    border-right: 1px solid #dee2e6;
    position: relative;
    transition: all 0.3s ease;
    z-index: 1000;
    flex-shrink: 0;
}

.opportunities-sidebar.collapsed {
    width: 0;
    overflow: hidden;
}

.sidebar-toggle-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 8px 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    cursor: pointer;
    display: block;
}

.sidebar-toggle-btn:hover {
    background: #f8f9fa;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

/* Main content with fixed sidebar margin */
#content {
    margin-left: 75px;
    transition: none;
}

/* Responsive */
@media (max-width: 991.98px) {
    .opportunities-sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        z-index: 1000;
        transition: left 0.3s ease;
    }
    
    .opportunities-sidebar.show {
        left: 0;
    }
    
    .sidebar-toggle-btn {
        display: block;
    }
    
    .sidebar-overlay.show {
        display: block;
    }
    
    /* Remove margin on mobile */
    #content {
        margin-left: 0;
    }
}