.app-sidebar {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100%;
    padding: 12px;
    background: var(--surface);
    border-left: 1px solid var(--border);
    border-right: none;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 38px;
    padding: 9px 10px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    text-align: left;
    font: inherit;
    font-size: 13px;
    cursor: pointer;
    transition:
        background var(--transition-fast),
        color var(--transition-fast);
}

.sidebar-link:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.sidebar-link.active {
    background: var(--accent-soft);
    color: var(--accent);
}

.sidebar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 20px;
    width: 20px;
    font-size: 15px;
}

.sidebar-link-title {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sidebar-bottom {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.sidebar-logout {
    color: var(--text-secondary);
}

.sidebar-logout:hover {
    background: var(--danger-soft, var(--surface-hover));
    color: var(--danger, var(--text));
}

.app.sidebar-collapsed .sidebar-link {
    justify-content: center;
    padding-left: 6px;
    padding-right: 6px;
}

.app.sidebar-collapsed .sidebar-link-title {
    display: none;
}

@media (max-width: 600px) {
    .app-sidebar {
        min-height: auto;
        flex-direction: row;
        padding: 6px;
        border-left: none;
        border-top: 1px solid var(--border);
    }

    .sidebar-section {
        flex-direction: row;
        overflow-x: auto;
    }

    .sidebar-bottom {
        margin: 0;
        padding: 0;
        border: none;
    }

    .sidebar-link {
        flex-direction: column;
        justify-content: center;
        gap: 3px;
        min-width: 58px;
        padding: 6px;
        font-size: 10px;
    }

    .sidebar-link-title {
        display: block !important;
    }
}