/* Modern and clean styles for left sidebar section - White/Light Gray/Blue Theme */
.left-sidebar {
    background: #f8fafc;
    border-right: 1px solid #e2e8f0;
    padding: 1.5rem 1rem;
    min-width: 200px;
    max-width: 220px;
    width: 220px;
    flex-shrink: 0;
    color: #334155;
    font-size: 1rem;
}

.left-sidebar h3 {
    color: #1e40af;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3b82f6;
}

.left-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.left-sidebar li {
    margin-bottom: 0.5rem;
}

.left-sidebar a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    border-radius: 6px;
    padding: 0.5em 0.8em;
    display: block;
    transition: background 0.18s, color 0.18s;
}

.left-sidebar a:hover {
    background: #eff6ff;
    color: #1d4ed8;
    text-decoration: none;
}

.left-sidebar p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .left-sidebar {
        max-width: 100%;
        width: 100%;
        min-width: 100%;
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
        padding: 1rem;
    }
}