/* Sidebar Styles */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transition: all 0.3s;
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed .sidebar-header h4,
.sidebar.collapsed .link-text {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
    font-size: 20px;
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h4 {
    margin: 0;
    font-weight: 600;
    font-size: 18px;
    white-space: nowrap;
}

.toggle-sidebar {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.toggle-sidebar:hover {
    background: rgba(255,255,255,0.3);
}

/* Navigation */
.nav {
    padding: 15px 0;
}

.nav-item {
    width: 100%;
    margin-bottom: 5px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
    white-space: nowrap;
}

.nav-link i {
    margin-right: 10px;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-link.active {
    background: rgba(255,255,255,0.2);
    color: white;
    border-left: 3px solid white;
}

.nav-link .badge {
    margin-left: auto;
    background: rgba(255,255,255,0.2);
    color: white;
}

/* Scrollbar */
.sidebar::-webkit-scrollbar {
    width: 5px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 5px;
}

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

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar.collapsed {
        width: 250px;
        transform: translateX(-100%);
    }
    
    .sidebar.collapsed.active {
        transform: translateX(0);
    }
    
    .sidebar.collapsed .sidebar-header h4,
    .sidebar.collapsed .link-text {
        display: inline-block;
    }
    
    .sidebar.collapsed .nav-link {
        justify-content: flex-start;
    }
    
    .sidebar.collapsed .nav-link i {
        margin-right: 10px;
        font-size: 16px;
    }
}

/* Sidebar Styles - Fixed with Vertical Scroll */

.sidebar {
    position: fixed;
    left: 0;
    top: 60px; /* Below fixed header */
    bottom: 0;
    width: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transition: all 0.3s;
    z-index: 1020;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed .sidebar-header h4,
.sidebar.collapsed .link-text {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 12px 0;
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
    font-size: 20px;
}

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

/* Sidebar Header */
.sidebar-header {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
    background: rgba(0,0,0,0.1);
}

.sidebar-header h4 {
    margin: 0;
    font-weight: 600;
    font-size: 18px;
    color: white;
}

/* Sidebar Menu - Scrollable Area */
.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 15px 0;
}

/* Custom Scrollbar */
.sidebar-menu::-webkit-scrollbar {
    width: 5px;
}

.sidebar-menu::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
}

.sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 5px;
}

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

/* Navigation */
.sidebar .nav {
    flex-direction: column;
    padding: 0;
    margin: 0;
    list-style: none;
}

.sidebar .nav-item {
    width: 100%;
    margin-bottom: 2px;
}

.sidebar .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
    white-space: nowrap;
    position: relative;
}

.sidebar .nav-link i {
    margin-right: 10px;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.sidebar .nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.sidebar .nav-link.active {
    background: rgba(255,255,255,0.2);
    color: white;
    border-left: 3px solid white;
}

.sidebar .nav-link .badge {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    padding: 3px 6px;
}

/* Divider */
.nav-divider {
    height: 1px;
    margin: 10px 15px;
    background: rgba(255,255,255,0.1);
}

/* Toggle Button */
.toggle-sidebar {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.toggle-sidebar:hover {
    background: rgba(255,255,255,0.3);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        top: 60px;
        z-index: 1050;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar.collapsed {
        width: 280px;
        transform: translateX(-100%);
    }
    
    .sidebar.collapsed.active {
        transform: translateX(0);
    }
    
    .sidebar.collapsed .sidebar-header h4,
    .sidebar.collapsed .link-text {
        display: inline-block;
    }
    
    .sidebar.collapsed .nav-link {
        justify-content: flex-start;
        padding: 12px 20px;
    }
    
    .sidebar.collapsed .nav-link i {
        margin-right: 10px;
        font-size: 16px;
    }
    
    .sidebar.collapsed .badge {
        display: block;
    }
}

/* Tablet Styles */
@media (min-width: 769px) and (max-width: 1024px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar .sidebar-header h4,
    .sidebar .link-text {
        display: none;
    }
    
    .sidebar .nav-link {
        justify-content: center;
        padding: 12px 0;
    }
    
    .sidebar .nav-link i {
        margin-right: 0;
        font-size: 20px;
    }
    
    .sidebar .badge {
        display: none;
    }
}

/* Main content adjustment */
.main-content {
    margin-left: 250px;
    transition: margin-left 0.3s;
    padding-top: 0;
}

.main-content.expanded {
    margin-left: 70px;
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0 !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .main-content {
        margin-left: 70px;
    }
}