#sidePanel {
    display: none;
    position: fixed;
    top: 48px;
    right: 0;
    width: 600px;
    height: calc(100% - 48px);
    background: rgba(45,45,45,0.95);
    z-index: 50;
    padding: 24px;
    color: white;
    font-family: monospace;
    overflow-y: auto;
}

#panelTabs {
    display: flex;
    gap: 8px;
    margin: 12px 0;
}

.tab-btn {
    background: transparent;
    border: none;
    color: white;
    font-family: monospace;
    font-size: 12px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
}

.tab-btn:hover   { background: rgba(255,255,255,0.08); }
.tab-btn:active  { background: rgba(255,255,255,0.12); }
.tab-btn.active  { background: rgba(255,255,255,0.15); }

#panelContent h1 { font-size: 18px; margin: 20px 0 8px; }
#panelContent h2 { font-size: 16px; margin: 18px 0 6px; }
#panelContent h3 { font-size: 14px; margin: 16px 0 6px; }
#panelContent h4 { font-size: 13px; margin: 14px 0 4px; opacity: 0.8; }
#panelContent p  { margin: 6px 0; line-height: 1.6; opacity: 0.85; }

#panelContent mjx-container {
    font-family: initial;
    overflow-x: auto;
    max-width: 100%;
    display: block;
    margin: 12px 0;
}

#sidePanel {
    overflow-x: hidden;
}

.panel-heading-link {
    cursor: pointer;
}
.panel-heading-link:hover {
    opacity: 0.7;
}