.altviz{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,rgba(34,211,238,.06),transparent 48%),var(--panel);overflow:hidden}.altviz *{min-width:0}.altviz-head{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}.altviz-kicker{margin:0;color:var(--cyan);font:700 11px "JetBrains Mono",monospace;letter-spacing:.06em;text-transform:uppercase}.altviz-head h3{margin:3px 0 0;font-size:18px;line-height:1.25}.altviz-copy{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.6}.doc-alt-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(180px,.8fr);gap:14px;margin-top:15px}.doc-alt-paper{padding:17px;border:1px solid #cbd5df;border-radius:8px;background:#f8fafc;color:#1e293b;box-shadow:0 9px 22px rgba(0,0,0,.12)}.doc-alt-paper h4{margin:0 0 13px;font-size:20px;line-height:1.2}.doc-alt-paper .doc-raw-title{margin:0 0 13px;font-size:17px;font-weight:800;letter-spacing:.015em}.doc-alt-paper p{margin:0 0 10px;font-size:14px;line-height:1.55}.doc-alt-paper ul{margin:0;padding-left:20px;font-size:14px;line-height:1.65}.doc-alt-paper .doc-gap{margin:8px 0;padding:5px 8px;border:1px dashed #d97706;border-radius:5px;color:#9a5c00;font:12px "JetBrains Mono",monospace}.doc-alt-paper .doc-manual-list{color:#475569}.doc-alt-paper.fixed .doc-gap,.doc-alt-paper.fixed .doc-manual-list{display:none}.doc-alt-paper.fixed{border-color:#5bb894}.doc-alt-structure{padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--bg2)}.doc-alt-structure h4{margin:0 0 9px;font-size:13px}.doc-alt-outline{display:grid;gap:7px;margin:0;padding:0;list-style:none}.doc-alt-outline li{padding:8px 9px;border-left:2px solid var(--line);color:var(--muted);font-size:13px;line-height:1.35}.doc-alt-outline li.ready{border-left-color:var(--cyan);color:var(--ink)}.doc-alt-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.doc-alt-controls .btn-c[disabled]{cursor:default;opacity:.58}.doc-alt-status{margin-top:13px}.doc-alt-status b{color:var(--cyan)}@media(max-width:560px){html,body{overflow-x:hidden}.altviz{padding:15px}.doc-alt-layout{grid-template-columns:1fr}.doc-alt-paper{padding:15px}.doc-alt-controls .btn-c{flex:1 1 140px}.altviz-head h3{font-size:17px}}