#selector {
    grid-column: 1;
    grid-row: 1 / span 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow: hidden;
    box-sizing: border-box;
}

#selector h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    text-transform: uppercase;
    flex-shrink: 0;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-right: 4px;
    margin-right: -4px;

    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.button-group::-webkit-scrollbar {
    width: 4px;
}

.button-group::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

#selector button {
    background-color: var(--bg-button);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    font-weight: 500;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

#selector button:hover,
#selector button.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--text-main);
    transform: translateX(4px);
}

.nav-pane {
    display: none;
    flex-direction: column;
    justify-content: flex-start;
    height: 100%;
    min-height: 0;
    flex: 1;
}

.nav-pane.active {
    display: flex;
}

.nav-pane h2 {
    margin: 0 0 0.25rem 0;
    font-size: 1.6rem;
}

.nav-pane .subtitle {
    margin: 0 0 0.75rem 0;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-pane .bio {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.5;
    font-size: 0.9rem;
}

.nav-pane a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.nav-pane a:hover {
    color: var(--text-main);
    text-decoration: underline;
}