/* Navigation Menu Styles */
.nav-menu {
    width: var(--nav-width);
    background: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    flex-shrink: 0;
}

/* Navigation List */
.nav-list {
    list-style: none;
    margin: 0;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(139, 69, 255, 0.1);
}

.nav-item.active .nav-link {
    color: var(--accent-color);
    background: rgba(139, 69, 255, 0.15);
    font-weight: 600;
}

.nav-item.active .nav-link::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 2px;
}

.nav-link svg {
    flex-shrink: 0;
}

/* Scrollbar for navigation */
.nav-menu::-webkit-scrollbar {
    width: 6px;
}

.nav-menu::-webkit-scrollbar-track {
    background: transparent;
}

.nav-menu::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.nav-menu::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}