.info-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
    width: 320px;
    max-width: calc(100vw - 24px);
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    background: var(--bg-panel);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    font: 14px sans-serif;
    padding: 16px;
    box-sizing: border-box;
}

.info-panel.hidden {
    display: none;
}

.info-panel h3 {
    margin: 16px 0 4px;
    font-size: 1em;
}

.info-panel h3:first-child {
    margin-top: 0;
}

.info-panel p {
    margin: 4px 0;
    color: var(--text-secondary);
}

.info-panel ul {
    list-style: none;
    margin: 4px 0;
    padding: 0;
}

.info-panel li {
    padding: 2px 0;
}

.info-panel kbd {
    display: inline-block;
    min-width: 1.4em;
    text-align: center;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--bg-hover);
    font-family: inherit;
    font-size: 0.85em;
}

.info-panel .github-link {
    display: inline-block;
    margin-top: 12px;
    color: var(--accent);
    text-decoration: none;
}

.info-panel .github-link:hover {
    text-decoration: underline;
}

.theme-switch {
    display: flex;
    gap: 4px;
    margin: 4px 0;
}

.theme-option {
    flex: 1;
    padding: 6px 8px;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    background: var(--bg-panel);
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.85em;
    cursor: pointer;
}

.theme-option:hover {
    background: var(--bg-hover);
}

.theme-option.active {
    border-color: var(--accent);
    color: var(--accent);
    font-weight: bold;
}