.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    padding: 2rem;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
    margin-bottom: 2rem;
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 1.5rem;
}

.nav-section {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 140px);
    position: relative;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.nav-item svg {
    width: 16px;
    height: 16px;
}

.nav-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -300px;
        top: 0;
        z-index: 1000;
        transition: left 0.3s ease;
        background: var(--bg-secondary);
        width: 300px;
    }

    .sidebar.active {
        left: 0;
    }

    .menu-toggle {
        display: block;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 1001;
        background: var(--accent-primary);
        border: none;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        cursor: pointer;
        color: white;
    }
}