// Sidebar and hamburger menu styles

// Hamburger menu button
.hamburger {
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: calc(var(--gumi-z-modal) + 1);
    
    span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--gumi-foreground);
        margin: 5px auto;
        transition: all 0.3s ease;
        transform-origin: center;
        
        &:first-child {
            transform: translateY(0) rotate(0);
        }
        
        &:nth-child(2) {
            opacity: 1;
        }
        
        &:last-child {
            transform: translateY(0) rotate(0);
        }
    }
    
    &.active {
        span:first-child {
            transform: translateY(7px) rotate(45deg);
        }
        
        span:nth-child(2) {
            opacity: 0;
        }
        
        span:last-child {
            transform: translateY(-7px) rotate(-45deg);
        }
    }
}

// Sidebar
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--gumi-bg-primary);
    box-shadow: var(--gumi-shadow-lg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: var(--gumi-z-modal);
    overflow-y: auto;
    
    &.active {
        transform: translateX(0);
    }
    
    &-header {
        padding: var(--gumi-space-6);
        border-bottom: 1px solid var(--gumi-border);
        
        h3 {
            margin: 0;
        }
    }
    
    &-body {
        padding: var(--gumi-space-4);
    }
    
    &-footer {
        padding: var(--gumi-space-4);
        border-top: 1px solid var(--gumi-border);
        margin-top: auto;
    }
    
    // Right sidebar
    &.sidebar-right {
        left: auto;
        right: 0;
        transform: translateX(100%);
        
        &.active {
            transform: translateX(0);
        }
    }
    
    // Sidebar sizes
    &.sidebar-sm {
        width: 200px;
    }
    
    &.sidebar-lg {
        width: 360px;
    }
    
    // Sidebar overlay
    &-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: calc(var(--gumi-z-modal) - 1);
        
        &.active {
            opacity: 1;
            visibility: visible;
        }
    }
}

// Sidebar navigation
.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    
    &-item {
        margin-bottom: var(--gumi-space-1);
    }
    
    &-link {
        display: flex;
        align-items: center;
        gap: var(--gumi-space-3);
        padding: var(--gumi-space-3) var(--gumi-space-4);
        color: var(--gumi-foreground);
        text-decoration: none;
        border-radius: var(--gumi-radius-base);
        transition: all 0.2s ease;
        
        &:hover {
            background-color: var(--gumi-bg-secondary);
        }
        
        &.active {
            background-color: var(--gumi-primary);
            color: white;
        }
        
        .icon {
            width: 20px;
            height: 20px;
        }
    }
    
    &-divider {
        height: 1px;
        background-color: var(--gumi-border);
        margin: var(--gumi-space-4) 0;
    }
    
    &-header {
        font-size: var(--gumi-text-sm);
        font-weight: var(--gumi-font-medium);
        color: var(--gumi-muted);
        padding: var(--gumi-space-2) var(--gumi-space-4);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
}

// Collapsible sidebar sections
.sidebar-collapse {
    &-toggle {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--gumi-space-3) var(--gumi-space-4);
        background: transparent;
        border: none;
        color: var(--gumi-foreground);
        cursor: pointer;
        border-radius: var(--gumi-radius-base);
        transition: all 0.2s ease;
        
        &:hover {
            background-color: var(--gumi-bg-secondary);
        }
        
        .chevron {
            width: 16px;
            height: 16px;
            transition: transform 0.3s ease;
        }
        
        &.active .chevron {
            transform: rotate(180deg);
        }
    }
    
    &-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        
        &.active {
            max-height: 500px; // Adjust as needed
        }
        
        .sidebar-nav {
            padding-left: var(--gumi-space-6);
        }
    }
}

// Off-canvas navigation (mobile)
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        max-width: 280px;
    }
}

// Push content when sidebar is open
.sidebar-push {
    transition: margin-left 0.3s ease;
    
    &.pushed {
        margin-left: 280px;
    }
    
    &.pushed-right {
        margin-right: 280px;
    }
}