.sidebar--left {
    position: sticky;
    top: calc(var(--header-height) + 20px);
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.04) 0%, transparent 42%), var(--color-glass);
    backdrop-filter: blur(var(--glass-blur-soft)) saturate(1.1);
    -webkit-backdrop-filter: blur(var(--glass-blur-soft)) saturate(1.1);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    overflow: hidden;
}

.sidebar__nav { padding: 12px; }

.sidebar__nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar__nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.sidebar__nav-link:hover {
    color: var(--color-text);
    background: rgba(102, 192, 244, 0.08);
    transform: translateX(4px);
}

.sidebar__nav-link--active {
    color: var(--color-accent);
    background: rgba(102, 192, 244, 0.12);
    box-shadow: inset 3px 0 0 var(--color-accent);
}

.sidebar__nav-icon {
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.sidebar__nav-link:hover .sidebar__nav-icon, .sidebar__nav-link--active .sidebar__nav-icon { opacity: 1; }

.sidebar--right {
    position: sticky;
    top: calc(var(--header-height) + 20px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}