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.deep-dive-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-6);align-items:start}.deep-dive-shell[data-layout=map] .deep-dive-sources{grid-column:1 / -1}.deep-dive-layout-bar{margin-bottom:var(--space-3)}.deep-dive-map{--deep-dive-node-size: 44px;--deep-dive-map-size: 320px;position:relative;min-height:var(--deep-dive-map-size);color:var(--text-muted)}.deep-dive-shell[data-kiosk="1"] .deep-dive-map{--deep-dive-node-size: 48px}.deep-dive-map-svg{display:none;position:absolute;inset:0;width:100%;height:var(--deep-dive-map-size);pointer-events:none;color:var(--border)}.deep-dive-topic-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2);position:relative;z-index:1}.deep-dive-shell[data-layout=list] .deep-dive-map-svg{display:none}.deep-dive-shell[data-layout=list] .deep-dive-map{min-height:0}.deep-dive-shell[data-layout=map] .deep-dive-map-svg{display:block}.deep-dive-shell[data-layout=map] .deep-dive-topic-list{display:block;height:var(--deep-dive-map-size)}.deep-dive-shell[data-layout=map] .deep-dive-topic-list-item{position:absolute;left:var(--map-x, 50%);top:var(--map-y, 50%);transform:translate(-50%,-50%);width:max-content;max-width:9rem;margin:0}.deep-dive-shell[data-layout=map].is-bursting .deep-dive-topic-list-item{left:50%;top:50%;transition:none}.deep-dive-shell[data-layout=map].is-burst-animating .deep-dive-topic-list-item{transition:left .9s ease,top .9s ease}.deep-dive-shell[data-layout=list] .deep-dive-topic-list-item{position:static;transform:none;max-width:none}.deep-dive-topic-list-btn,.deep-dive-stage-btn,.deep-dive-retry,.deep-dive-close-topic,.deep-dive-tour-nav .quiz-nav-btn,.deep-dive-map-actions .quiz-nav-btn,.deep-dive-layout-bar .quiz-nav-btn,.deep-dive-share .quiz-nav-btn{min-height:44px}.deep-dive-shell[data-kiosk="1"] .deep-dive-topic-list-btn{min-height:var(--deep-dive-node-size);min-width:var(--deep-dive-node-size)}.deep-dive-topic-list-btn{width:100%;text-align:left;padding:var(--space-3) var(--space-4);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-card);color:var(--text-primary);font-size:var(--text-base)}.deep-dive-shell[data-layout=map] .deep-dive-topic-list-btn{text-align:center;border-radius:var(--radius-full);font-size:var(--text-sm);padding:var(--space-2) var(--space-3);box-shadow:var(--shadow-card)}.deep-dive-topic-list-btn:hover{border-color:var(--text-muted)}.deep-dive-topic-list-item.is-current .deep-dive-topic-list-btn{border-color:var(--accent);background:var(--accent-subtle)}.deep-dive-topic-list-item.is-visited .deep-dive-topic-list-btn{border-style:dashed}.deep-dive-topic-list-item.is-side .deep-dive-topic-list-btn{border-style:dotted;color:var(--text-secondary);font-weight:500}.deep-dive-shell[data-layout=map] .deep-dive-topic-list-item.is-side 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var(--accent)}.deep-dive-stage-roles{list-style:none;margin:0;padding:0}.deep-dive-shell .empty-state{padding:var(--space-12) var(--space-4);text-align:center}.deep-dive-shell .empty-state .deep-dive-retry{margin:var(--space-4) 0}@media(max-width:639px){.deep-dive-shell[data-layout=map] .deep-dive-body{grid-template-columns:1fr}}.deep-dive-kiosk-notice{margin:var(--space-3) 0 0;color:var(--text-secondary);font-size:var(--text-sm)}.deep-dive-shared-screen{margin-top:var(--space-8);padding-top:var(--space-4);border-top:1px solid var(--border);max-width:40rem}.deep-dive-shared-screen summary{cursor:pointer;font-weight:600;min-height:44px;display:flex;align-items:center}.deep-dive-shared-screen-body{margin-top:var(--space-3);color:var(--text-secondary);font-size:var(--text-sm)}.deep-dive-shared-screen-body p{margin:0 0 var(--space-3)}.deep-dive-idle-warning{max-width:22rem;padding:var(--space-6);border:1px solid 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