.nv-wrap{position:relative;height:calc(100vh - 64px);width:100vw;margin-top:64px}.graph-col{position:absolute;inset:0;background:var(--bg-primary)}.graph-col svg{display:block;width:100%;height:100%}.text-col{position:fixed;bottom:48px;left:48px;width:340px;z-index:10;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;backdrop-filter:blur(32px) saturate(1.3);-webkit-backdrop-filter:blur(32px) saturate(1.3);box-shadow:0 24px 80px #00000014,0 0 0 1px #0000000a inset}.dark .text-col{box-shadow:0 24px 80px #000000b3,0 0 0 1px #ffffff0a inset,0 1px #ffffff0f inset}.chapter{padding:32px 28px;animation:nv-fadeIn .35s ease}@keyframes nv-fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ch-num{font-family:IBM Plex Mono,monospace;font-weight:500;font-size:10px;color:var(--text-tertiary);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:12px}.ch-title{font-size:17px;font-weight:600;line-height:1.3;letter-spacing:-.2px;margin-bottom:14px;color:var(--text-primary)}.ch-body p{font-size:12.5px;line-height:1.7;color:var(--text-secondary);margin:0 0 10px}.ch-body p:last-child{margin-bottom:0}.ch-body strong{color:var(--text-primary);font-weight:600}.ch-body em{color:var(--text-secondary);font-style:italic}.ch-stat{font-family:IBM Plex Mono,monospace;font-size:10px;color:var(--text-tertiary);border-left:2px solid var(--border);padding:6px 0 6px 12px;margin:14px 0;line-height:1.7}.ch-stat span{color:var(--text-secondary);font-weight:500}.card-footer{display:flex;align-items:center;justify-content:space-between;padding:0 28px 20px}.card-btn{width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:IBM Plex Mono,monospace;font-size:12px;transition:all .2s ease}.card-btn:hover{background:var(--border);color:var(--text-secondary);border-color:var(--border-hover)}.card-btn:active{opacity:.7}.card-btn.disabled{opacity:.2;pointer-events:none}.card-dots{display:flex;gap:6px;align-items:center}.nd{width:5px;height:5px;border-radius:50%;background:var(--text-tertiary);border:none;cursor:pointer;padding:0;transition:all .25s ease;opacity:.4}.nd:hover{opacity:.7}.nd.on{opacity:1;transform:scale(1.5)}#counter{position:fixed;top:20px;right:28px;font-family:IBM Plex Mono,monospace;font-size:10px;font-weight:500;color:var(--text-tertiary);z-index:90;letter-spacing:1.5px}#controls{position:fixed;bottom:48px;right:48px;z-index:90;display:flex;flex-direction:column;gap:6px}.ctrl-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:IBM Plex Mono,monospace;font-size:13px;font-weight:500;transition:all .2s ease;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 2px 8px #0000000f}.ctrl-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-hover)}.ctrl-btn:active{opacity:.7}.ctrl-btn.active{color:var(--text-primary);border-color:var(--border-hover);background:var(--bg-card-hover)}.ctrl-sep{width:20px;height:1px;background:var(--border);align-self:center;margin:2px 0}.text-col.hidden{opacity:0;pointer-events:none;transform:translateY(20px);transition:opacity .3s ease,transform .3s ease}.text-col:not(.hidden){opacity:1;transform:translateY(0);transition:opacity .3s ease,transform .3s ease}#tt{position:fixed;pointer-events:none;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:10px 14px;max-width:260px;opacity:0;transition:opacity .12s;z-index:200;box-shadow:0 12px 40px #0000001a;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.dark #tt{box-shadow:0 12px 40px #000000b3}.tt-h{font-family:IBM Plex Mono,monospace;font-size:10px;font-weight:500;margin-bottom:4px;display:flex;align-items:center;gap:5px}.tt-d{width:5px;height:5px;border-radius:50%}.tt-b{font-size:11px;line-height:1.5;color:var(--text-secondary)}