#sidebar-container {
    width: var(--sidebar-width);
    background: var(--bg-card);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem 0.8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: width var(--transition-speed);
    z-index: 100;
}

.sidebar-nav {
    list-style: none;
    width: 100%;
}

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

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    color: var(--text-main);
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}

.sidebar-nav a:hover {
    background: rgba(44, 110, 158, 0.1);
}

.sidebar-nav a.active {
    background: var(--primary);
    color: white;
}

.nav-emoji {
    font-size: 1.8rem;
    display: inline-block;
    width: 2rem;
    text-align: center;
}

.nav-label {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .nav-label {
        display: none;
    }
    .sidebar-nav a {
        justify-content: center;
        padding: 0.8rem 0;
    }
}