:root{
  --night:#071719;
  --night-2:#0b2224;
  --night-3:#102d2f;
  --paper:#f2ede2;
  --paper-2:#e8e0d0;
  --ink:#173235;
  --ink-soft:#4f6968;
  --line-dark:#21484a;
  --mint:#72dfc1;
  --gold:#e7bd62;
  --coral:#ef8c72;
  --blue:#72b9ff;
  --violet:#aa96ff;
  --rose:#e37b9e;
  --q-c0:#56d6b2;--q-c1:#70b8ff;--q-c2:#a896ff;--q-c3:#f2bd63;--q-c4:#f08d74;--q-c5:#e47d9d;--q-c6:#68d7d0;
  --q-t-supply:#D58C38;--q-t-compute:#24A9B4;--q-t-capital:#C8922D;--q-t-model:#5877E8;--q-t-community:#8A65D8;--q-t-policy:#D44C73;--q-t-labor:#2A9D72;--q-t-risk:#E96558;
  --q-edge-class:#52776b;--q-edge-other:#b6b787;--q-node-fallback:#82b8a0;--q-spine:#d6c07a;
  --topbar:62px;
  --rail:78px;
  --drawer:440px;
  --sans:"Microsoft YaHei UI","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
body{font-family:var(--sans);background:var(--night);color:#e9f5ef}
button,input{font:inherit}
button{border:0;cursor:pointer}
button:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
button:disabled{opacity:.36;cursor:default}
[hidden]{display:none!important}
.skip-link{position:fixed;left:12px;top:-80px;z-index:300;background:var(--paper);color:var(--ink);padding:10px 14px}
.skip-link:focus{top:12px}

.topbar{height:var(--topbar);display:flex;align-items:center;padding:0 22px;border-bottom:1px solid #1f4142;background:#08191b;position:relative;z-index:40}
.brand{display:flex;align-items:center;gap:12px;padding:0;background:transparent;color:#edf8f3;text-align:left}
.brand-glyph{width:38px;height:38px;display:grid;place-items:center;background:var(--paper);color:var(--ink);font-family:Arial,sans-serif;font-size:18px;font-weight:900;letter-spacing:-.08em;clip-path:polygon(8% 0,92% 0,100% 8%,100% 92%,92% 100%,8% 100%,0 92%,0 8%);box-shadow:inset 0 0 0 2px #a3b5ac}
.brand b{display:block;font-size:15px;letter-spacing:.08em}
.brand small{display:block;margin-top:2px;color:#85a39e;font-size:10px;letter-spacing:.06em}
.course-signature{margin-left:26px;padding-left:26px;border-left:1px solid #274648;display:flex;align-items:baseline;gap:10px}
.course-signature span{font-size:10px;color:#78a19b;letter-spacing:.12em}
.course-signature b{font-size:12px;font-weight:500;color:#b9cfca}
.top-tools{margin-left:auto;display:flex;align-items:center;gap:8px}
.top-tools button{height:34px;padding:0 11px;background:transparent;color:#a9c2bd;font-size:12px;border:1px solid transparent;border-radius:7px}
.top-tools button:hover{color:#fff;border-color:#2b5556;background:#0e292b}
.top-tools kbd{margin-left:8px;padding:1px 5px;border:1px solid #406162;color:#72928d;font-size:9px}

.chapter-rail{height:var(--rail);display:grid;grid-template-columns:repeat(7,minmax(120px,1fr));align-items:stretch;background:#0b2022;border-bottom:1px solid #244345;position:relative;z-index:35;overflow-x:auto;scrollbar-width:none}
.chapter-button{position:relative;display:grid;grid-template-columns:35px 1fr;align-content:center;column-gap:10px;padding:10px 15px;background:transparent;color:#789792;text-align:left;border-right:1px solid #1f3d3f;min-width:145px}
.chapter-button::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--chapter-color);transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.chapter-button:hover{background:#0f292b;color:#d9e9e4}
.chapter-button.is-active{background:#132f31;color:#fff}
.chapter-button.is-active::after,.chapter-button.is-complete::after{transform:scaleX(1)}
.chapter-button.is-complete::after{opacity:.38}
.chapter-number{width:31px;height:31px;display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--chapter-color) 55%,#47605c);color:var(--chapter-color);font-size:11px;clip-path:polygon(13% 0,87% 0,100% 13%,100% 87%,87% 100%,13% 100%,0 87%,0 13%)}
.chapter-button.is-active .chapter-number{background:var(--chapter-color);color:#071719;border-color:var(--chapter-color)}
.chapter-copy b{display:block;font-size:13px;font-weight:650;line-height:1.35}
.chapter-copy small{display:block;margin-top:3px;font-size:11px;color:#6f918c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chapter-button.is-active small{color:#9ebbb5}

.workspace{height:calc(100% - var(--topbar) - var(--rail));display:grid;grid-template-columns:minmax(0,1fr);transition:grid-template-columns .32s ease}
body.drawer-open .workspace{grid-template-columns:minmax(0,1fr) var(--drawer)}
.map-shell{position:relative;min-width:0;overflow:hidden;background:var(--night);user-select:none;-webkit-user-select:none}
.stage-card{user-select:text;-webkit-user-select:text}
.map-viewport{position:absolute;inset:0;overflow:hidden;touch-action:none;cursor:grab;background:
  radial-gradient(circle at 18% 26%,rgba(71,154,139,.12),transparent 28%),
  radial-gradient(circle at 78% 62%,rgba(108,89,164,.10),transparent 31%),
  #071719}
.map-viewport:active{cursor:grabbing}
.map-viewport::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;background-image:radial-gradient(circle,#9bbab3 1px,transparent 1px);background-size:24px 24px;mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent)}
.map-viewport::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 120px 35px #020c0d;z-index:20}
.world{position:absolute;left:0;top:0;width:5360px;height:1580px;transform-origin:0 0}
.zone-layer,.edge-layer,.node-layer{position:absolute;inset:0;width:100%;height:100%}
.zone-layer{z-index:0}.edge-layer{z-index:1;overflow:visible}.node-layer{z-index:2}
.stage-zone{position:absolute;width:660px;height:1230px;transform:translate(-50%,-50%);border:1px solid color-mix(in srgb,var(--zone-color) 28%,transparent);clip-path:polygon(5% 0,95% 0,100% 4%,100% 96%,95% 100%,5% 100%,0 96%,0 4%);background:radial-gradient(circle at 50% 48%,color-mix(in srgb,var(--zone-color) 10%,transparent),transparent 64%);pointer-events:none}
.stage-zone::before{content:attr(data-number);position:absolute;left:30px;top:28px;font-family:Arial,sans-serif;font-size:120px;font-weight:900;letter-spacing:-.08em;color:color-mix(in srgb,var(--zone-color) 9%,transparent)}
.stage-zone::after{content:attr(data-title);position:absolute;left:44px;bottom:36px;max-width:420px;color:color-mix(in srgb,var(--zone-color) 28%,transparent);font-size:28px;font-weight:700;letter-spacing:.04em}

.course-edge{fill:none;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round}
.course-edge.main{stroke:#d6c07a;stroke-width:4;filter:url(#mainGlow)}
.course-edge.branch{stroke:#527773;stroke-width:2;opacity:.8}
.course-edge.cross{stroke:#547d7e;stroke-width:1.5;stroke-dasharray:7 8;opacity:.12;transition:opacity .25s,stroke .25s,stroke-width .25s}
.edge-layer[data-lens="model"] .cross.lens-model,
.edge-layer[data-lens="market"] .cross.lens-market,
.edge-layer[data-lens="compute"] .cross.lens-compute,
.edge-layer[data-lens="ownership"] .cross.lens-ownership,
.edge-layer[data-lens="policy"] .cross.lens-policy,
.edge-layer[data-lens="risk"] .cross.lens-risk,
.edge-layer[data-lens="evidence"] .cross.lens-evidence,
.edge-layer[data-lens="supply"] .cross.lens-supply{opacity:.9;stroke:var(--lens-color,#7de0c5);stroke-width:2.6}
.edge-layer[data-lens="course"] .cross{opacity:.08}
.edge-relation{font-size:17px;font-weight:650;fill:#e8d58d;paint-order:stroke;stroke:#071719;stroke-width:5px;stroke-linejoin:round;letter-spacing:.04em}
.edge-marker{fill:#e8d58d}

.achievement{--node-color:#72dfc1;position:absolute;transform:translate(-50%,-50%);width:158px;min-height:112px;padding:0;background:transparent;color:#dcebe7;text-align:center;z-index:2;transition:filter .22s,opacity .22s}
.achievement:hover,.achievement.is-current{z-index:5;filter:brightness(1.16)}
.achievement.is-upcoming{opacity:.62}.achievement.is-visited{opacity:1}
.achievement-frame{width:58px;height:58px;margin:0 auto;position:relative;display:grid;place-items:center;background:#112d2f;clip-path:polygon(13% 0,87% 0,100% 13%,100% 87%,87% 100%,13% 100%,0 87%,0 13%);box-shadow:0 12px 24px rgba(0,0,0,.28)}
.achievement-frame::before{content:"";position:absolute;inset:0;background:var(--node-color);clip-path:polygon(13% 0,87% 0,100% 13%,100% 87%,87% 100%,13% 100%,0 87%,0 13%,5px 18%,5px 82%,18% calc(100% - 5px),82% calc(100% - 5px),calc(100% - 5px) 82%,calc(100% - 5px) 18%,82% 5px,18% 5px)}
.achievement-frame::after{content:"";position:absolute;inset:7px;background:#0c2426;clip-path:polygon(10% 0,90% 0,100% 10%,100% 90%,90% 100%,10% 100%,0 90%,0 10%);box-shadow:inset 0 0 0 1px #335352}
.achievement-icon{position:relative;z-index:1;width:31px;height:31px;color:var(--node-color)}
.achievement-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.achievement-label{display:block;margin:8px auto 0;max-width:158px;padding:4px 7px;background:rgba(5,18,19,.86);border:1px solid #234244;color:#d7e7e2;font-size:11px;font-weight:600;line-height:1.4;box-shadow:0 5px 14px rgba(0,0,0,.18)}
.achievement-sub{display:block;margin-top:2px;color:#789a94;font-size:9px;line-height:1.3}
.achievement.is-current .achievement-frame{animation:currentPulse 2.2s ease-in-out infinite;box-shadow:0 0 0 5px color-mix(in srgb,var(--node-color) 18%,transparent),0 16px 30px rgba(0,0,0,.34)}
.achievement.is-current .achievement-label{border-color:var(--node-color);color:#fff}
.achievement.is-visited .achievement-frame::after{background:#143537}
.achievement.tier-milestone{width:202px;min-height:150px}
.achievement.tier-milestone .achievement-frame{width:82px;height:82px;background:#132b2d;box-shadow:0 18px 36px rgba(0,0,0,.42)}
.achievement.tier-milestone .achievement-frame::before{inset:0;background:linear-gradient(145deg,#fff2b8,var(--node-color) 48%,#8e7138)}
.achievement.tier-milestone .achievement-frame::after{inset:8px;background:#0b2224}
.achievement.tier-milestone .achievement-icon{width:42px;height:42px}
.achievement.tier-milestone .achievement-label{font-size:14px;max-width:202px;padding:6px 9px;color:#fff2c5;border-color:#7d724b}
.achievement.tier-challenge .achievement-frame::before{background:linear-gradient(145deg,#ffe29a,var(--node-color),#8f6437)}
.achievement.tier-risk .achievement-frame::before{background:linear-gradient(145deg,#ffb1a1,#d96573,#753541)}
.achievement.tier-evidence .achievement-frame::before{background:linear-gradient(145deg,#c5f7ec,#64c7d5,#346b7a)}
.achievement.tier-finale .achievement-frame{width:94px;height:94px}.achievement.tier-finale .achievement-icon{width:50px;height:50px}.achievement.tier-finale .achievement-label{font-size:15px;color:#fff2c5}
@keyframes currentPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

.stage-card{position:absolute;left:22px;top:22px;width:340px;max-height:calc(100% - 112px);overflow:auto;z-index:25;padding:20px 21px 18px;background:var(--paper);color:var(--ink);border:1px solid #c7bda9;border-radius:14px;box-shadow:0 20px 46px rgba(0,0,0,.35)}
.stage-card header{display:flex;align-items:center;gap:9px;color:#6b7d78;font-size:11px;letter-spacing:.09em}
#stage-number{display:grid;place-items:center;width:29px;height:29px;background:var(--stage-color,#56d6b2);color:#071719;font-weight:800;clip-path:polygon(12% 0,88% 0,100% 12%,100% 88%,88% 100%,12% 100%,0 88%,0 12%)}
.stage-card h1{font-size:27px;line-height:1.24;letter-spacing:-.035em;margin:14px 0 10px;text-wrap:balance}
.stage-question{font-size:15px;line-height:1.7;font-weight:650;margin:0 0 12px;color:#254447}
.stage-thesis{font-size:12px;line-height:1.82;margin:0;color:#61706d}
.stage-outcome{margin:16px 0 0;padding-top:13px;border-top:1px solid #d6ccbb}
.stage-outcome span{display:block;font-size:10px;letter-spacing:.08em;color:#7e847d;margin-bottom:4px}
.stage-outcome b{font-size:12px;line-height:1.55;font-weight:650}
.stage-actions{display:flex;gap:8px;margin-top:16px}
.stage-actions button,.drawer-footer button{min-height:36px;padding:0 12px;border:1px solid #bfb5a3;border-radius:7px;background:transparent;color:var(--ink);font-size:10px}
.stage-actions .primary,.drawer-footer .primary{background:var(--ink);border-color:var(--ink);color:#f7f0df}
.stage-actions button:hover,.drawer-footer button:hover{border-color:#5a7774}

.map-legend{position:absolute;left:22px;bottom:76px;z-index:24;display:flex;gap:14px;padding:8px 11px;background:#0b2022;border:1px solid #24484a;border-radius:8px;color:#87a39e;font-size:11px}
.map-legend span{display:flex;align-items:center;gap:6px}.map-legend i{display:block;width:24px;height:2px;background:#587975}.map-legend i.main{height:3px;background:#d6c07a}.map-legend i.cross{background:repeating-linear-gradient(90deg,#688f8a 0 4px,transparent 4px 8px)}
.lens-bar{position:absolute;right:18px;top:18px;z-index:24;display:flex;align-items:center;gap:4px;padding:5px;background:#0a1d1f;border:1px solid #294a4c;border-radius:9px;box-shadow:0 12px 25px rgba(0,0,0,.2)}
.lens-bar>span{padding:0 7px;color:#678c86;font-size:11px}
.lens-bar button{height:30px;padding:0 8px;background:transparent;color:#789a94;border-radius:5px;font-size:12px}
.lens-bar button:hover,.lens-bar button.is-active{background:#183638;color:#eff8f5}
.map-controls{position:absolute;right:18px;bottom:76px;z-index:24;display:flex;background:#0b2022;border:1px solid #294a4c;border-radius:8px;overflow:hidden}
.map-controls button{height:34px;min-width:36px;padding:0 10px;background:transparent;color:#afc6c1;border-right:1px solid #294a4c;font-size:12px}.map-controls button:last-child{border:0}.map-controls button:hover{background:#163234;color:#fff}
.node-tooltip{position:absolute;z-index:80;max-width:280px;padding:10px 12px;background:#f0eadf;color:var(--ink);border:1px solid #bfb39f;border-radius:7px;box-shadow:0 16px 35px rgba(0,0,0,.36);pointer-events:none;font-size:12px;line-height:1.55}
.node-tooltip b{display:block;font-size:14px;margin-bottom:3px}.node-tooltip span{color:#5f716e}
.map-status{position:absolute;left:50%;top:20px;transform:translateX(-50%);z-index:22;color:#6f918b;font-size:11px;letter-spacing:.04em;pointer-events:none}

.lecture-bar{position:absolute;left:0;right:0;bottom:0;height:60px;z-index:30;display:grid;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:12px;padding:0 18px;background:#091c1e;border-top:1px solid #274749}
.lecture-bar>button{height:36px;min-width:36px;background:#122d2f;color:#bdd0cc;border:1px solid #2a5051;border-radius:7px}
.lecture-bar .next-step{padding:0 15px;background:#e9d58e;color:#132a2c;border-color:#e9d58e;font-weight:700}
.lecture-bar .next-step span{margin-left:12px}
.lecture-progress{min-width:0}.lecture-progress>span{display:block;color:#6c918a;font-size:10px;letter-spacing:.12em}.lecture-progress>b{display:block;margin-top:2px;color:#d8e6e2;font-size:13px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.progress-dots{display:flex;gap:4px;margin-top:5px}.progress-dots i{display:block;width:20px;height:2px;background:#29494a}.progress-dots i.is-complete{background:#6ad0b5}.progress-dots i.is-current{height:3px;background:#e3c86e}

.drawer{min-width:0;height:100%;display:flex;flex-direction:column;background:var(--paper);color:var(--ink);border-left:1px solid #bfb5a2;position:relative;z-index:50;box-shadow:-22px 0 48px rgba(0,0,0,.25)}
.drawer-header{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 24px 13px;border-bottom:1px solid #d4c9b7}
.drawer-header span{font-size:10px;color:#687f7a;letter-spacing:.09em}.drawer-header h2{font-size:28px;line-height:1.2;letter-spacing:-.035em;margin:6px 0 0;text-wrap:balance}
.drawer-header>button{width:34px;height:34px;background:transparent;color:#64736f;font-size:25px;border-radius:6px}.drawer-header>button:hover{background:#e5ddcf}
.drawer-visual{margin:12px 24px 0;min-height:72px;display:flex;align-items:center;justify-content:center;background:#102d2f;color:var(--visual-color,#72dfc1);border-radius:10px;overflow:hidden;position:relative}
.drawer-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--visual-color) 18%,transparent),transparent 65%)}
.drawer-visual svg{position:relative;width:38px;height:38px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.visual-flow{position:relative;display:flex;align-items:center;gap:11px}.visual-flow span{width:55px;height:55px;display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--visual-color) 50%,#355253);font-size:9px;color:#d8ebe6;clip-path:polygon(10% 0,90% 0,100% 10%,100% 90%,90% 100%,10% 100%,0 90%,0 10%)}.visual-flow i{width:28px;height:1px;background:var(--visual-color);position:relative}.visual-flow i::after{content:"";position:absolute;right:-1px;top:-3px;border-left:6px solid var(--visual-color);border-top:3px solid transparent;border-bottom:3px solid transparent}
.drawer-context{margin:14px 24px 0;padding:11px 13px;background:#e6ded0;border-radius:9px}.drawer-context span{display:block;color:#667973;font-size:10px;letter-spacing:.06em}.drawer-context b{display:block;margin-top:5px;font-size:12px;line-height:1.55}.drawer-context small{display:block;margin-top:5px;color:#60706c;font-size:10px;line-height:1.55}
.drawer-tabs{display:flex;margin:13px 24px 0;border-bottom:1px solid #cfc4b2}.drawer-tabs button{flex:1;height:34px;background:transparent;color:#687773;font-size:10px;border-bottom:2px solid transparent}.drawer-tabs button.is-active{color:var(--ink);border-color:var(--visual-color,#5fae9d);font-weight:700}
.drawer-body{flex:1;min-height:0;overflow:auto;padding:17px 24px 22px;scrollbar-width:thin;scrollbar-color:#b8ad9b transparent}
.drawer-body p{margin:0 0 13px;color:#304c4d;font-size:13px;line-height:1.86}.drawer-body p.lede{font-size:14px;font-weight:600;color:#173536}
.drawer-body h3{margin:22px 0 9px;padding-top:16px;border-top:1px solid #d6ccbb;font-size:11px;letter-spacing:.06em;color:#536964}
.course-relation{margin:0 0 15px;padding:11px 13px;background:#132f31;color:#d8e9e4;border-radius:9px}.course-relation span{display:block;color:#7fb2a8;font-size:9px;letter-spacing:.07em}.course-relation b{display:block;margin-top:5px;font-size:12px;line-height:1.55}
.relation-list{display:flex;flex-direction:column}.relation-item{display:grid;grid-template-columns:10px 1fr auto;gap:8px;width:100%;padding:10px 0;background:transparent;color:var(--ink);text-align:left;border-bottom:1px solid #ded5c6}.relation-item i{width:6px;height:6px;margin-top:6px;border-radius:50%;background:var(--edge-color)}.relation-item b{font-size:12px;font-weight:650}.relation-item small{display:block;margin-top:3px;color:#697a76;font-size:10px;line-height:1.5}.relation-item>span:last-child{font-size:11px;color:#78908a}
.source-list{list-style:none;padding:0;margin:0}.source-list li{padding:10px 0;border-bottom:1px solid #d9d0c0}.source-list a{color:#286f6c;text-decoration:none;font-size:12px;overflow-wrap:anywhere}.source-list small{display:block;margin-top:4px;color:#74817e;font-size:10px;line-height:1.5}.empty-note{color:#77837f;font-size:13px;line-height:1.7}
.drawer-footer{height:58px;display:flex;justify-content:space-between;align-items:center;padding:0 24px;border-top:1px solid #d2c7b5}

.library-dialog,.search-dialog{border:1px solid #526e69;border-radius:14px;background:#0d2527;color:#e9f4f0;padding:0;box-shadow:0 30px 90px rgba(0,0,0,.55)}
dialog::backdrop{background:rgba(1,9,10,.72)}
.library-dialog{width:min(1060px,calc(100vw - 36px));height:min(780px,calc(100dvh - 42px))}.search-dialog{width:min(680px,calc(100vw - 28px));max-height:82dvh}
dialog header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid #294a4c}dialog header span{font-size:9px;color:#70938d}dialog h2{margin:4px 0 0;font-size:22px}dialog header>button{width:34px;height:34px;background:transparent;color:#91ada7;font-size:23px}.dialog-content{height:calc(100% - 73px);overflow:auto;padding:22px}
.library-stage{padding:18px 0;border-bottom:1px solid #254547}.library-stage>button{display:grid;grid-template-columns:40px 1fr;text-align:left;background:transparent;color:#e9f4f0;width:100%}.library-stage>button>span{color:var(--stage-color);font-weight:700}.library-stage b{font-size:15px}.library-stage small{display:block;margin-top:4px;color:#7e9d97;font-size:10px;line-height:1.6}.library-nodes{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0 40px}.library-nodes button{padding:6px 8px;background:#153234;color:#a9c5bf;border:1px solid #2b4e50;border-radius:5px;font-size:9px}.library-nodes button:hover{color:#fff;border-color:var(--stage-color)}
.search-dialog header label{font-size:11px}.search-dialog input{width:100%;height:60px;padding:0 22px;background:#102b2d;color:#fff;border:0;border-bottom:1px solid #2b4d4f;font-size:16px}.search-results{max-height:58dvh;overflow:auto}.search-result{display:flex;align-items:center;gap:12px;width:100%;padding:12px 20px;background:transparent;color:#d8e8e4;border-bottom:1px solid #254547;text-align:left}.search-result:hover{background:#153234}.search-result b{font-size:12px}.search-result small{display:block;margin-top:3px;color:#789b94;font-size:9px}.search-result>span:last-child{margin-left:auto;color:#6f918b;font-size:10px}
.toast{position:fixed;left:50%;bottom:72px;transform:translate(-50%,12px);z-index:200;padding:10px 15px;background:#efe7d8;color:#193437;border:1px solid #c1b59f;border-radius:7px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;font-size:12px}.toast.show{opacity:1;transform:translate(-50%,0)}
.noscript{position:fixed;inset:25% 15%;z-index:300;background:var(--paper);color:var(--ink);padding:30px}

@media(max-width:1180px){
  :root{--drawer:390px}.course-signature{display:none}.stage-card{width:306px}.lens-bar>span{display:none}.lens-bar button{padding:0 6px}.map-legend{display:none}
}
@media(max-width:800px){
  :root{--topbar:54px;--rail:64px;--drawer:100%}
  .topbar{padding:0 12px}.brand-glyph{width:34px;height:34px}.brand b{font-size:13px}.brand small{font-size:8px}.top-tools{gap:2px}.top-tools button{padding:0 7px;font-size:9px}.top-tools kbd{display:none}
  .chapter-rail{display:flex;overflow-x:auto;scroll-snap-type:x proximity}.chapter-button{flex:0 0 145px;padding:8px 10px;scroll-snap-align:start}.chapter-number{width:28px;height:28px}
  body.drawer-open .workspace{display:block}.map-shell{height:100%}
  .stage-card{left:10px;right:10px;top:10px;width:auto;max-height:154px;padding:13px 14px;overflow:hidden}.stage-card header{font-size:8px}.stage-card h1{font-size:20px;margin:8px 0 5px}.stage-question{font-size:11px;line-height:1.5;margin:0}.stage-thesis,.stage-outcome{display:none}.stage-actions{position:absolute;right:12px;top:12px;margin:0}.stage-actions button{height:29px;min-height:29px;font-size:8px}.stage-actions button:not(.primary){display:none}.stage-card h1,.stage-question{max-width:calc(100% - 112px)}
  .lens-bar{left:8px;right:8px;top:auto;bottom:68px;overflow-x:auto;justify-content:flex-start;scrollbar-width:none}.lens-bar button{flex:none}
  .map-controls{right:8px;bottom:110px}.map-status{display:none}.lecture-bar{height:60px;padding:0 9px;gap:7px}.lecture-progress>b{font-size:9px}.lecture-bar .next-step{font-size:9px;padding:0 10px}
  .drawer{position:fixed;inset:var(--topbar) 0 0;width:100%;height:auto;z-index:100;border-left:0;box-shadow:0 -20px 50px rgba(0,0,0,.35)}.drawer-header{padding:15px 17px 10px}.drawer-header h2{font-size:23px}.drawer-visual{margin:10px 17px 0;min-height:56px}.drawer-context{margin:10px 17px 0}.drawer-tabs{margin:10px 17px 0}.drawer-body{padding:14px 17px 18px}.drawer-footer{padding:0 17px}
  .achievement{width:140px}.achievement-label{max-width:140px;font-size:10px}.achievement.tier-milestone{width:175px}.achievement.tier-milestone .achievement-label{max-width:175px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.lesson-section h3{margin-top:0}.lesson-section+.lesson-section{margin-top:18px;padding-top:16px;border-top:1px solid #d6ccbb}.case-study{margin:18px 0;padding:14px 15px;background:#e2d8c7;color:#294648;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}.case-study span,.teacher-question span{display:block;margin-bottom:6px;color:#6b7772;font-size:9px;letter-spacing:.08em}.case-study p{margin:0;font-size:12px;line-height:1.75}.teacher-question{margin:14px 0 18px;padding:13px 15px;background:#173536;color:#edf4e9;border-radius:9px}.teacher-question span{color:#88b6ad}.teacher-question b{display:block;font-size:13px;line-height:1.65}.archive-warning{padding:11px 13px;background:#f1d7ca;color:#6b4036!important;border-radius:8px;font-size:10px!important;line-height:1.65!important}
.course-edge.is-active{filter:url(#mainGlow);stroke-width:3.2;opacity:1}.course-edge.branch.is-active{stroke:#e6d485}.course-edge.cross.is-active{opacity:.9;stroke:#78d9c0}
/* The map has two semantic scales: an index of chapters and readable objects. */
.achievement{transform:translate(-50%,-50%) scale(var(--node-scale,1));}
.achievement-label{font-size:16px;line-height:1.5;max-width:182px;padding:4px 6px;}
.achievement-sub{font-size:11px;color:#a8c3bb;}
.achievement.tier-milestone .achievement-label{font-size:18px;max-width:214px;}
.achievement.is-other-chapter{opacity:.26;}
.achievement.is-current{opacity:1;}
.achievement.is-visited:not(.is-other-chapter) .achievement-label::after{content:' ·';color:#cfdda5;}
body[data-map-mode="all"] .achievement:not(.tier-milestone){opacity:.22;pointer-events:none;transform:translate(-50%,-50%);}
body[data-map-mode="all"] .achievement:not(.tier-milestone) .achievement-label,body[data-map-mode="all"] .achievement-sub{display:none;}
body[data-map-mode="all"] .achievement.tier-milestone{width:140px;opacity:1;}
body[data-map-mode="all"] .achievement.tier-milestone .achievement-frame{width:45px;height:45px;}
body[data-map-mode="all"] .achievement.tier-milestone .achievement-icon{width:28px;height:28px;}
body[data-map-mode="all"] .achievement.tier-milestone .achievement-label{max-width:140px;font-size:13px;}
body[data-map-mode="all"] .stage-card{max-height:184px;}
body[data-map-mode="all"] .stage-card .stage-thesis,body[data-map-mode="all"] .stage-card .stage-outcome{display:none;}
body[data-map-mode="all"] .edge-relation{display:none;}
body.drawer-open .stage-card{display:none;}
body.drawer-open .lens-bar{max-width:calc(100% - 32px);overflow:auto;}
body.drawer-open .map-legend{display:none;}
.stage-card{padding:24px;width:340px;}
.stage-card h1{font-size:30px;}
.stage-thesis{font-size:14px;line-height:1.9;}
.stage-outcome b{font-size:13px;}
.chapter-copy b{font-size:14px;}.chapter-copy small{font-size:11px;color:#a2bdb6;}
.map-status{top:auto;bottom:84px;left:44%;font-size:12px;color:#9ab4ad;}
.map-viewport::after{box-shadow:inset 0 0 64px 0 #020c0d;}
.map-viewport{background:radial-gradient(ellipse at 45% 45%,#183a38 0%,#102c2b 38%,#091e20 84%);}
.stage-zone{border-color:color-mix(in srgb,var(--zone-color) 12%,transparent);}
.stage-zone::before{color:color-mix(in srgb,var(--zone-color) 13%,transparent);}
.stage-zone::after{display:none;}
.course-edge.main{filter:none;stroke-width:3;}
.course-edge.cross{pointer-events:stroke;cursor:pointer;}
.lens-bar{max-width:calc(100% - 400px);overflow:auto;scrollbar-width:thin;}
.lens-bar button{white-space:nowrap;flex:none;font-size:12px;min-height:32px;}
.lens-bar>span{white-space:nowrap;}
.drawer{--drawer:480px;}
.drawer-header h2{font-size:29px;}
.drawer-context{background:#e2e4d6;}
.drawer-context b{font-size:13px;}
.drawer-context button{display:block;color:#235e56;background:none;font-size:12px;text-decoration:underline;text-underline-offset:3px;margin-top:5px;}
.drawer-visual{min-height:68px;height:68px;flex:none;}
.relic-stage{height:68px;width:100%;display:flex;align-items:center;justify-content:center;gap:16px;position:relative;}
.relic-stage>i{position:absolute;width:82px;height:24px;border-radius:50%;background:#0a1d1db3;bottom:7px;left:calc(50% - 62px);transform:rotate(-12deg);}
.drawer-visual .relic-svg{width:60px;height:56px;stroke:none;fill:initial;overflow:visible;filter:drop-shadow(3px 6px 4px #020e0c44);}
.relic-stage>span{font-size:15px;letter-spacing:.04em;color:#cce1d0;font-weight:650;position:relative;}
.drawer-body p{font-size:14px;line-height:1.85;}
.drawer-body p.lede{font-weight:500;font-size:15px;}
.drawer-tabs button{min-height:40px;font-size:13px;}
.drawer-context small{font-size:11px;}
.drawer-header span{font-size:12px;letter-spacing:0;}
.drawer-footer button{min-height:40px;font-size:12px;}
.node-exhibit{margin:0 0 24px;padding:15px;background:#fcfaf2;border:1px solid #d7d4c4;border-radius:12px;color:#234845;}
.exhibit-label{font-size:10px;color:#698277;margin-bottom:14px;line-height:1.6;}
.task-window{border:1px solid #c2d0c1;border-radius:8px;padding:12px;background:#f2f6ef;}
.task-window-bar{display:flex;gap:4px;align-items:center;}
.task-window-bar i{height:5px;width:5px;border-radius:50%;background:#9eafa0;}
.task-window-bar span{font-size:9px;margin-left:auto;color:#708473;}
.task-window .task-bubble{font-size:12px;line-height:1.7;background:#dbe9dd;padding:10px;margin-top:12px;border-radius:5px;}
.attachment-example{display:grid;grid-template-columns:1fr 1fr;gap:5px;font-size:10px;}
.attachment-example b{font-weight:500;}.attachment-example span{color:#78907d;text-align:right;}
.task-answer{margin-top:16px;display:flex;align-items:center;gap:6px;color:#44746a;font-size:10px;}
.task-answer i{height:7px;width:7px;border-radius:50%;background:#62a286;}
.agent-cycle{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px;align-items:center;text-align:center;padding:0 5px;}
.agent-cycle>b{grid-column:1/-1;font-size:13px;letter-spacing:.1em;}
.agent-cycle>span{background:#e4edde;border:1px solid #bacbb8;padding:12px 5px;font-size:11px;border-radius:7px;}
.agent-cycle>i{font-style:normal;font-size:19px;color:#73a08e;}
.agent-cycle>small{grid-column:1/-1;font-size:10px;color:#6e8978;}
.rag-exhibit,.tool-exhibit,.market-exhibit,.benchmark-exhibit{display:flex;align-items:center;gap:12px;}
.document-stack{display:flex;flex-wrap:wrap;width:66px;gap:3px;}.document-stack span{width:100%;font-size:10px;}.document-stack i{font-style:normal;font-size:30px;color:#779786;}
.retrieved-fragment{padding:12px;background:#e2eddc;border-radius:6px;}.retrieved-fragment small{display:block;font-size:9px;margin-bottom:7px;}.retrieved-fragment b{font-size:11px;}
.answer-fragment{font-size:11px;line-height:1.6;}.diagram-arrow{color:#658d7e;}
.tool-exhibit>div,.market-exhibit>div,.benchmark-exhibit>div{flex:1;padding:12px 6px;border:1px solid #c9d3be;text-align:center;border-radius:6px;background:#ebf0e3;}
.tool-exhibit b,.market-exhibit b,.benchmark-exhibit b{font-size:13px;display:block;}
.tool-exhibit small,.market-exhibit small,.benchmark-exhibit small{font-size:9px;display:block;margin-top:5px;line-height:1.6;}
.benchmark-exhibit{align-items:stretch;gap:6px;}.benchmark-exhibit span{font-size:10px;display:block;margin-bottom:7px;color:#53785f;}.benchmark-exhibit b{font-size:11px;}
.model-exhibit,.hardware-exhibit{display:flex;gap:18px;align-items:center;}
.model-specimen{width:88px;flex:none;}.model-specimen svg{width:100%;}
.model-exhibit small{display:block;color:#63836e;font-size:10px;}.model-exhibit b{display:block;font-size:16px;margin:7px 0;}
.model-exhibit p{font-size:11px;margin:0 0 7px;}.model-exhibit span{font-size:10px;}
.hardware-exhibit>svg{width:106px;flex:none;}.hardware-exhibit b,.hardware-exhibit span{display:block;border-bottom:1px solid #d2d7c4;padding:7px 0;font-size:12px;}.hardware-exhibit small{display:block;margin-top:7px;font-size:9px;}
.role-exhibit{display:flex;gap:9px;align-items:center;}.role-exhibit>div{padding:18px 9px;background:#e4ead8;border-radius:7px;font-size:11px;}.role-exhibit>section{flex:1;text-align:center;}
.role-exhibit span,.role-exhibit small{display:block;font-size:10px;}.role-exhibit i{display:block;height:1px;background:#8eaa93;margin:7px 0;position:relative;}.role-exhibit i::after{content:'›';position:absolute;right:0;top:-11px;color:#65846d;font-size:19px;}
.evidence-exhibit{display:flex;gap:15px;align-items:center;}.evidence-exhibit>div{flex:1;}.evidence-exhibit b{font-size:13px;}.evidence-exhibit p{font-size:10px;margin:7px 0 0;}
.closure-exhibit{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:15px;}.closure-exhibit b{font-size:20px;}.closure-exhibit span{font-size:11px;}.closure-exhibit small{width:100%;text-align:center;font-size:11px;}
.bill-assumptions{font-size:10px;line-height:1.8;margin-bottom:13px;}.bill-experiment label{display:flex;justify-content:space-between;font-size:12px;}
.bill-experiment input{width:100%;margin:13px 0;accent-color:#4c977d;}
#bill-parts>div{display:flex;align-items:center;gap:8px;height:29px;font-size:11px;}#bill-parts span{width:58px;flex:none;}#bill-parts i{display:block;height:7px;max-width:42%;background:#7fad91;border-radius:2px;}#bill-parts b{margin-left:auto;font-weight:500;}
.bill-total{border-top:1px solid #ccd6c2;padding-top:10px;margin-top:8px;font-size:12px;display:flex;align-items:baseline;justify-content:space-between;}.bill-total strong{font-family:Arial,sans-serif;font-size:26px;color:#396b56;}
.reduced-motion *, .reduced-motion *::before,.reduced-motion *::after{animation:none!important;transition:none!important;}
@media(min-width:1280px){:root{--drawer:480px;}}
@media(max-width:800px){
 .stage-card{left:12px;right:12px;top:12px;width:auto;padding:14px;max-height:144px;}
 .stage-card h1{font-size:21px;margin-top:8px;}
 .stage-card h1,.stage-question{max-width:100%;}
 .stage-actions{top:11px;right:11px;}
 .stage-actions button{font-size:10px;min-height:32px;}
 .stage-question{font-size:12px;margin-top:7px;}
 .lens-bar{max-width:none;left:10px;right:10px;}
 .top-tools button{min-height:36px;}.top-tools #fullscreen-button{display:none;}
 .chapter-copy b{font-size:12px;}.chapter-copy small{font-size:10px;}
 .achievement-label{font-size:15px;max-width:165px;}
 .achievement.tier-milestone .achievement-label{font-size:16px;max-width:185px;}
 body[data-map-mode="all"] .achievement.tier-milestone{width:72px;}
 body[data-map-mode="all"] .achievement.tier-milestone .achievement-label{font-size:9px;max-width:74px;}
 body[data-map-mode="all"] .achievement.tier-milestone .achievement-frame{width:32px;height:32px;}
 .drawer-visual{display:none;}.drawer-context{padding:10px 12px;flex:none;}
 .drawer-body{padding-top:16px;}.drawer-body p{font-size:14px;}
 .node-exhibit{padding:12px;}.map-controls button{min-height:38px;min-width:38px;}
 .drawer-tabs button{font-size:13px;}.lecture-bar .next-step{font-size:11px;min-height:38px;}
 .lecture-progress>b{font-size:11px;}.lecture-progress>span{font-size:9px;}
 .case-study p{font-size:13px;}.teacher-question b{font-size:14px;}
}
/* Focus follows the lecturer. Other chapters keep only their landmarks. */
.stage-zone:not(.is-current){opacity:.16;}
.course-edge.branch.is-outside{opacity:.08;}
.course-edge.cross{opacity:0!important;pointer-events:none;}
.edge-layer:not([data-lens="course"]) .course-edge.cross:not(.is-outside){pointer-events:stroke;}
.edge-layer[data-lens="model"] .cross.lens-model,.edge-layer[data-lens="market"] .cross.lens-market,.edge-layer[data-lens="compute"] .cross.lens-compute,.edge-layer[data-lens="ownership"] .cross.lens-ownership,.edge-layer[data-lens="policy"] .cross.lens-policy,.edge-layer[data-lens="risk"] .cross.lens-risk{opacity:.78!important;}
.course-edge.main{opacity:.6;}.course-edge.main.is-active{opacity:1;}
.edge-relation:not(.is-current){opacity:.16;}
.achievement.is-other-chapter:not(.tier-milestone):not(.is-current){opacity:.07;pointer-events:none;}
.achievement.is-other-chapter:not(.is-current) .achievement-label,.achievement.is-other-chapter:not(.is-current) .achievement-sub{display:none;}
.achievement.is-other-chapter.tier-milestone{opacity:.5;}
.achievement.is-other-chapter.tier-milestone .achievement-label{display:block;font-size:13px;color:#a0b7ac;}
body[data-map-mode="all"] .achievement.tier-milestone .achievement-label{display:block;color:#d4e1d7;}
body[data-map-mode="all"] .stage-zone{opacity:.22;}
.achievement-sub{display:none;}
.achievement-label{border:0;box-shadow:none;background:rgba(7,24,25,.74);border-radius:4px;padding:5px 7px;}
.achievement.has-brand .achievement-frame::after{background:#f7f5ee;}
.achievement.has-brand .achievement-icon{width:32px;height:32px;}
.achievement-icon img{width:100%;height:100%;object-fit:contain;border-radius:3px;display:block;}
.relic-stage.has-brand>img{width:72px;height:72px;object-fit:contain;padding:9px;border-radius:13px;background:#f6f4ed;position:relative;}
.stage-card header{position:relative;min-height:30px;}
#stage-card-toggle{margin-left:auto;height:29px;padding:0 9px;border:1px solid #b6c0ac;border-radius:5px;color:#3e635c;background:transparent;font-size:10px;}
#stage-card-toggle:hover{background:#e0e8d8;}
.stage-card-collapsed .stage-card-content{display:none;}
.stage-card-collapsed .stage-card{width:235px;max-height:none;min-height:54px;padding:11px 13px;border-radius:9px;background:#e7eadc;box-shadow:0 8px 22px #0003;}
.stage-card-collapsed #stage-number{width:27px;height:27px;}
.stage-card-collapsed #stage-short{color:#3a6259;font-size:11px;}
.stage-card-collapsed .lens-bar{max-width:calc(100% - 290px);}
.stage-card header{cursor:move;touch-action:none;}
body[data-map-mode="all"] .achievement.is-other-chapter:not(.tier-milestone){pointer-events:none;}
.map-viewport::before{opacity:.08;}
.stage-zone::before{font-size:88px;opacity:.6;}
.stage-card{background:#edf0e2;}
.stage-card h1{font-size:28px;}
.stage-card .stage-thesis{font-size:14px;line-height:1.85;}
.stage-actions .primary{background:#2a5d50;border-color:#2a5d50;}
@media(max-width:800px){
 .stage-card header{padding-right:0;}
 .stage-actions{position:static;margin-top:11px;}
 .stage-card{max-height:183px;}
 .stage-card h1{font-size:20px;}
 .stage-card .stage-thesis{display:none;}
 .stage-actions button{height:31px;min-height:31px;}
 .stage-card-collapsed .stage-card{width:210px;right:auto;padding:9px 12px;}
 .stage-card-collapsed .lens-bar{max-width:none;}
 .top-tools #motion-toggle{font-size:9px;padding:0 4px;}
 .top-tools button{flex:none;white-space:nowrap;}
 .top-tools #theme-toggle{font-size:0;padding:0 9px;}
 .top-tools #theme-toggle::before{content:"◐";font-size:14px;}
}
/* Semantic topology: chapter -> directory -> object -> relational neighborhood. */
.structure-wayfinding{position:absolute;left:22px;top:84px;z-index:24;max-width:min(720px,calc(100% - 420px));display:flex;align-items:center;gap:14px;color:#93aaa4;pointer-events:none;}
.structure-wayfinding nav{display:flex;align-items:center;gap:7px;min-width:0;padding:7px 10px;background:#0b2022e8;border:1px solid #315052;border-radius:6px;pointer-events:auto;}
.structure-wayfinding button,.structure-wayfinding span{background:none;color:#c7d7d2;font-size:12px;white-space:nowrap;}.structure-wayfinding button:hover{color:#f1d990;}.structure-wayfinding i{font-style:normal;color:#50716b;}.structure-wayfinding>span{overflow:hidden;text-overflow:ellipsis;color:#78928c;font-size:12px;}
.topology-root{position:absolute;transform:translate(-50%,-50%);width:300px;min-height:94px;padding:17px 20px;background:#e8ebdd;color:#173735;text-align:left;border:1px solid #bdc7b4;clip-path:polygon(12px 0,calc(100% - 12px) 0,100% 12px,100% calc(100% - 12px),calc(100% - 12px) 100%,12px 100%,0 calc(100% - 12px),0 12px);box-shadow:8px 12px 0 #05171966;}
.topology-root span{display:block;color:#5f776f;font-size:11px;letter-spacing:.12em;}.topology-root strong{display:block;margin-top:8px;font-size:21px;line-height:1.25;}
.directory-node{position:absolute;transform:translate(-50%,-50%);width:252px;min-height:150px;padding:17px 18px 14px;text-align:left;color:#e0ebe6;background:#102d2f;border:1px solid #3b5a58;clip-path:polygon(12px 0,calc(100% - 12px) 0,100% 12px,100% calc(100% - 12px),calc(100% - 12px) 100%,12px 100%,0 calc(100% - 12px),0 12px);box-shadow:8px 11px 0 #020e0e66;}
.directory-node:hover,.directory-node:focus-visible{background:#17393a;border-color:#e3ce82;color:white;}
.directory-node.is-central{background:#173a38;border-color:#ddce8e;}
.directory-head{display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:9px;}.directory-head svg{width:32px;height:32px;fill:none;stroke:#80d6bb;stroke-width:1.5;}.directory-head small{font-size:10px;color:#8fa8a1;}.directory-head i{font-style:normal;font-size:10px;color:#e4c978;border:1px solid #53624e;padding:3px 5px;}
.directory-node>b{display:block;margin:14px 0 8px;font-size:17px;line-height:1.3;}.directory-preview{display:block;min-height:36px;color:#86a19a;font-size:11px;line-height:1.6;}.directory-enter{display:block;margin-top:12px;padding-top:8px;border-top:1px solid #355151;color:#d5c67d;font-size:11px;}
.topology-panel{position:absolute;pointer-events:none;border:1px solid #284b4c;background:#0b222389;clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);}
.topology-panel header{padding:13px 15px;border-bottom:1px solid #29494a;}.topology-panel b{display:block;color:#b8ccc6;font-size:14px;}.topology-panel small{display:block;margin-top:4px;color:#5d817a;font-size:11px;}
.topology-panel.role-cross{border-color:#6a4c66;background:#1d17213d;}.topology-panel.role-same{border-color:#625f3e;background:#211f1236;}
.topology-edge path{stroke:var(--edge-color,#8fa89e);stroke-width:1.5;vector-effect:non-scaling-stroke;opacity:.65;pointer-events:stroke;cursor:pointer;}.topology-edge.classification path{stroke-dasharray:3 5;opacity:.42;}.topology-edge.narrative path{stroke-width:2.4;opacity:.75;}.topology-edge.factual path{stroke-width:2;opacity:.8;}
.topology-edge text{fill:#9fb5ae;font-size:13px;paint-order:stroke;stroke:#071719;stroke-width:5px;pointer-events:none;}.topology-edge:hover path{stroke-width:3.3;opacity:1;}.topology-edge:hover text{fill:#f1d98d;}
.topology-object{width:168px;min-height:110px;}.topology-object .achievement-label{font-size:14px;max-width:168px;background:#071c1dcc;border:1px solid #294746;}.topology-object.is-central{z-index:6;width:220px;}.topology-object.is-central .achievement-frame{width:82px;height:82px;box-shadow:0 0 0 5px #d5c77a22,0 18px 34px #0006;}.topology-object.is-central .achievement-icon{width:45px;height:45px;}.topology-object.is-central .achievement-label{max-width:220px;font-size:20px;color:#fff0b0;border-color:#7b764f;}.object-version-count{display:block;width:max-content;margin:5px auto 0;padding:3px 6px;color:#d7c77e;background:#142929;border:1px solid #555f48;font-size:10px;}
body[data-structure="node"] .stage-card{display:none;}.topology-object:not(.is-central) .achievement-frame{width:53px;height:53px;}.topology-object:not(.is-central) .achievement-icon{width:28px;height:28px;}
body[data-structure="node"] .structure-wayfinding{max-width:calc(100% - 530px);}
body[data-structure="atlas"] .stage-card{display:none;}body[data-structure="atlas"] .directory-node{width:235px;min-height:130px;}body[data-structure="atlas"] .directory-preview{display:none;}
.directory-link{display:inline-block;margin:6px 0;padding:8px 10px;border:1px solid #b2bdaa;background:#e8ecdf;color:#245c53;border-radius:5px;font-size:11px;text-align:left;}.directory-link:hover{background:#dce5d7;}
@media(max-width:1180px){.structure-wayfinding{max-width:calc(100% - 340px)}.directory-node{width:228px}.topology-root{width:270px}}
@media(max-width:800px){
 .structure-wayfinding{left:9px;right:9px;top:65px;max-width:none;display:block;}.structure-wayfinding nav{width:max-content;max-width:100%;overflow:hidden;}.structure-wayfinding>span{display:none;}
 .directory-node{width:210px;min-height:132px;padding:14px;}.directory-node>b{font-size:15px;margin:10px 0 6px;}.directory-preview{font-size:8px;}.directory-head{grid-template-columns:30px 1fr auto;}.directory-head svg{width:27px;height:27px;}
 .topology-root{width:235px;min-height:82px;padding:14px;}.topology-root strong{font-size:17px;}
 .topology-object .achievement-label{font-size:13px;}.topology-object.is-central .achievement-label{font-size:16px;}
 body[data-structure="node"] .structure-wayfinding{max-width:none;}.topology-edge text{font-size:9px;}
}
.verified-facts{margin:0 0 22px;padding:12px 14px;border:1px solid #bbc8b5;background:#f2f5e8;border-radius:8px;}.verified-facts>span{display:block;font-size:12px;color:#436b5b;font-weight:650;margin-bottom:8px;}.verified-facts dl{margin:0;}.verified-facts dl>div{display:grid;grid-template-columns:68px 1fr;gap:7px;padding:5px 0;border-top:1px solid #d8dfcd;font-size:12px;line-height:1.5;}.verified-facts dt{color:#647c6e;}.verified-facts dd{margin:0;color:#274d41;}
.finale-cell{position:absolute;width:9px;height:9px;padding:0;box-shadow:1px 3px 0 #173c32;transition:transform .35s;}.finale-cell:hover{transform:scale(1.8);z-index:4;outline:1px solid #fbefd3;}
.show-finale .stage-card,.show-finale .structure-wayfinding,.show-finale .lens-bar,.show-finale .map-legend,.show-finale .map-controls,.show-finale .lecture-bar,.show-finale .map-status{display:none;}
.finale-overlay{position:absolute;bottom:55px;left:0;right:0;z-index:30;text-align:center;color:#e5eada;}.finale-overlay>span{color:#87b5a2;font-size:11px;letter-spacing:.1em;}.finale-overlay h2{font-size:32px;letter-spacing:-.03em;margin:12px 0;}.finale-overlay p{font-size:13px;color:#9fbdaf;}.finale-overlay button{margin-top:12px;padding:12px 18px;background:#e4d395;color:#163a30;border-radius:7px;font-size:12px;}
.edge-detail-label{fill:#d0dcbf;font-size:15px;paint-order:stroke;stroke:#102b28;stroke-width:4px;pointer-events:none;}
@media(max-width:800px){.finale-overlay{bottom:40px;padding:0 18px;}.finale-overlay h2{font-size:23px;}.finale-overlay p{font-size:12px;line-height:1.8;}.verified-facts dl>div{font-size:12px;}}
/* Grid rows must shrink to the viewport; long lessons scroll inside the drawer. */
.workspace{min-height:0;grid-template-rows:minmax(0,1fr);overflow:hidden;}
.map-shell,.drawer{min-height:0;}
.drawer{height:100%;overflow:hidden;}
.drawer-header,.drawer-visual,.drawer-context,.drawer-tabs,.drawer-footer{flex-shrink:0;}
.drawer-body{min-height:0;overflow:auto;}
.drawer-header h2:focus{outline:none;}
.spec-fold{margin:0 0 18px;border-bottom:1px solid #cbd4c2;}
.spec-fold>summary{padding:11px 0;font-size:12px;color:#325f50;cursor:pointer;}
.spec-fold .verified-facts{margin-top:8px;}
@media(max-width:800px){body.drawer-open .workspace{overflow:hidden;}.drawer{height:auto;}}
body.drawer-open .structure-wayfinding>span{display:none;}
.structure-wayfinding nav{overflow:hidden;}
.directory-node.is-central .directory-preview{display:none;}
.music-score{background:#e7ecdf;padding:14px;border-radius:8px;}.score-head{display:flex;align-items:baseline;gap:10px;}.score-head b{font-size:14px;}.score-head span{font-size:9px;color:#7d8b79;}.score-track{display:flex;margin-top:14px;}.score-track span{flex:1;font-size:9px;background:#cfdbbc;padding:5px;border:1px solid #aebf9c;}.score-track span:nth-child(2){flex:1.6;}.score-track span:nth-child(3){flex:2;background:#adc3a1;}.score-waves{height:55px;display:flex;align-items:center;justify-content:space-between;gap:5px;}.score-waves i{flex:1;background:#5c8f71;border-radius:1px;}.score-criteria{display:flex;justify-content:space-between;font-size:9px;color:#5e795f;}
.speech-exhibit{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;}.speech-side{font-size:12px;text-align:center;}.speech-side small{display:block;margin-top:7px;font-size:9px;color:#748b77;}.speech-wave{display:flex;align-items:center;gap:3px;}.speech-wave i{width:4px;background:#759d7d;border-radius:3px;}
.storyboard{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;}.storyboard>div{position:relative;height:86px;background:#173d38;border-radius:5px;overflow:hidden;}.storyboard b{position:absolute;top:7px;left:7px;color:#d8ddb0;font-size:12px;}.storyboard span{position:absolute;bottom:8px;left:7px;color:#a7c4aa;font-size:9px;}.storyboard i{position:absolute;bottom:28px;left:26%;width:38%;height:25px;background:#95b98c;clip-path:polygon(50% 0,100% 100%,0 100%);}.storyboard .frame-two{left:45%;height:32px;background:#b5c594;}.storyboard .frame-three{left:16%;width:64%;height:33px;}.story-check{margin-top:10px;color:#738a74;font-size:9px;}
.poster-exhibit{display:flex;gap:22px;align-items:center;}.mini-poster{width:118px;flex:none;min-height:165px;background:#244c3e;color:#e8edcc;padding:12px;position:relative;overflow:hidden;}.mini-poster small{font-size:7px;letter-spacing:.1em;}.mini-poster strong{display:block;position:relative;z-index:1;font-size:21px;line-height:1.3;letter-spacing:-.04em;margin-top:12px;}.mini-poster span{position:relative;z-index:1;display:block;margin-top:20px;font-size:9px;}.mini-poster i{position:absolute;right:-26px;bottom:18px;width:86px;height:86px;border-radius:50%;background:#a8b986;opacity:.5;}.poster-check b{display:block;font-size:12px;margin-bottom:13px;}.poster-check span{display:block;color:#6b806e;margin-top:9px;font-size:10px;}
.retrieval-exhibit>b{display:block;font-size:13px;margin-bottom:12px;}.retrieval-exhibit>div{display:flex;gap:9px;padding:8px;background:#e5eddc;margin-top:4px;font-size:11px;}.retrieval-exhibit i{font-style:normal;color:#468163;}.retrieval-exhibit .less-relevant{opacity:.48;}.retrieval-exhibit small{display:block;margin-top:12px;font-size:10px;color:#67806b;}
.edge-visual{padding:16px 22px;width:100%;color:#cdded3;}.edge-visual>div{background:#1c4540;max-width:36%;font-size:12px;line-height:1.5;}.edge-visual section{min-width:80px;}.edge-visual span{font-size:10px;}
/* ------------------------------------------------------------------
   Light reading theme (default). Drawing-paper stage; the dark rules
   above remain the projection theme and stay untouched. */
html[data-theme="light"]{
  color-scheme:light;
  --q-c0:#1f8a6e;--q-c1:#2e6fae;--q-c2:#6b4fc3;--q-c3:#9c741c;--q-c4:#b95638;--q-c5:#a8446b;--q-c6:#12716c;
  --q-t-supply:#9a621c;--q-t-compute:#15707a;--q-t-capital:#8a661a;--q-t-model:#3d55c0;--q-t-community:#6a44b8;--q-t-policy:#b03355;--q-t-labor:#1d7a54;--q-t-risk:#bd4638;
  --q-edge-class:#6d8a80;--q-edge-other:#8f8a63;--q-node-fallback:#3d8772;--q-spine:#a1761f;
}
html[data-theme="light"] body{background:#ece6d3;color:#22423e}
html[data-theme="light"] button:focus-visible,html[data-theme="light"] input:focus-visible{outline-color:#1f8a6e}
html[data-theme="light"] .topbar{background:#f4efe1;border-bottom-color:#d5c9ac}
html[data-theme="light"] .brand{color:#22423e}
html[data-theme="light"] .brand-glyph{background:#22423e;color:#f4efe1;box-shadow:inset 0 0 0 2px #4b645f}
html[data-theme="light"] .brand small{color:#7c8f87}
html[data-theme="light"] .course-signature{border-left-color:#d5c9ac}
html[data-theme="light"] .course-signature span{color:#8a9a8f}
html[data-theme="light"] .course-signature b{color:#4b645f}
html[data-theme="light"] .top-tools button{color:#5c736d}
html[data-theme="light"] .top-tools button:hover{color:#1e3d3a;border-color:#b9ad8e;background:#e7dfc9}
html[data-theme="light"] .top-tools kbd{border-color:#b9ad8e;color:#8a9a8f}
html[data-theme="light"] .chapter-rail{background:#ece5d1;border-bottom-color:#d5c9ac}
html[data-theme="light"] .chapter-button{color:#6b817a;border-right-color:#d5c9ac}
html[data-theme="light"] .chapter-button:hover{background:#e2dac2;color:#334d47}
html[data-theme="light"] .chapter-button.is-active{background:#fbf8ee;color:#1e3d3a}
html[data-theme="light"] .chapter-number{border-color:color-mix(in srgb,var(--chapter-color) 55%,#8a9a8f)}
html[data-theme="light"] .chapter-button.is-active .chapter-number{color:#fbf8ee}
html[data-theme="light"] .chapter-copy small{color:#8a9a8f}
html[data-theme="light"] .chapter-button.is-active small{color:#5c736d}
html[data-theme="light"] .map-shell{background:#ece6d3}
html[data-theme="light"] .map-viewport{background:radial-gradient(ellipse at 45% 45%,#f1ebd8 0%,#e9e2cc 42%,#ddd3b6 86%)}
html[data-theme="light"] .map-viewport::before{background-image:radial-gradient(circle,#9a8c68 1px,transparent 1px);opacity:.09}
html[data-theme="light"] .map-viewport::after{box-shadow:inset 0 0 80px 18px rgba(122,100,58,.10)}
html[data-theme="light"] .stage-zone{border-color:color-mix(in srgb,var(--zone-color) 30%,#c9bd9e)}
html[data-theme="light"] .stage-zone::before{color:color-mix(in srgb,var(--zone-color) 22%,#b3a37e)}
html[data-theme="light"] .course-edge.main{stroke:#a1761f}
html[data-theme="light"] .course-edge.branch{stroke:#8fa89e}
html[data-theme="light"] .course-edge.cross{stroke:#98a492}
html[data-theme="light"] .edge-relation{fill:#7a5c1e;stroke:#e9e2cc}
html[data-theme="light"] .edge-marker{fill:#7a5c1e}
html[data-theme="light"] .course-edge.branch.is-active{stroke:#8a661a}
html[data-theme="light"] .course-edge.cross.is-active{stroke:#1f8a6e}
html[data-theme="light"] .edge-layer{--lens-color:#1f8a6e}
html[data-theme="light"] .achievement{color:#334d47}
html[data-theme="light"] .achievement-frame{background:#e2d9c0;box-shadow:0 10px 22px rgba(94,76,44,.22)}
html[data-theme="light"] .achievement-frame::after{background:#f7f2e1;box-shadow:inset 0 0 0 1px #cbbfa0}
html[data-theme="light"] .achievement.is-visited .achievement-frame::after{background:#f0e9d4}
html[data-theme="light"] .achievement-label{background:rgba(253,250,240,.94);color:#28443f;box-shadow:0 3px 10px rgba(94,76,44,.18)}
html[data-theme="light"] .achievement.is-current .achievement-label{color:#1e3d3a}
html[data-theme="light"] .achievement.is-current .achievement-frame{box-shadow:0 0 0 5px color-mix(in srgb,var(--node-color) 22%,transparent),0 14px 26px rgba(94,76,44,.26)}
html[data-theme="light"] .achievement.tier-milestone .achievement-frame{background:#e5dcc2;box-shadow:0 16px 30px rgba(94,76,44,.24)}
html[data-theme="light"] .achievement.tier-milestone .achievement-frame::after{background:#f7f2e1}
html[data-theme="light"] .achievement.tier-milestone .achievement-label{color:#6b501c;border-color:#c2a44e;background:rgba(253,248,232,.96)}
html[data-theme="light"] .achievement.tier-finale .achievement-label{color:#6b501c}
html[data-theme="light"] .achievement.is-other-chapter.tier-milestone .achievement-label{color:#8a9a8f}
html[data-theme="light"] body[data-map-mode="all"] .achievement.tier-milestone .achievement-label{color:#4b5f56}
html[data-theme="light"] .stage-card{background:#fbf8ee;border-color:#d5c9ac;box-shadow:0 18px 40px rgba(94,76,44,.2)}
html[data-theme="light"] #stage-card-toggle{border-color:#b9ad8e;color:#4b645f}
html[data-theme="light"] #stage-card-toggle:hover{background:#eee7d2}
html[data-theme="light"] .stage-card-collapsed .stage-card{background:#f1ebd8;box-shadow:0 8px 22px rgba(94,76,44,.2)}
html[data-theme="light"] .map-legend{background:#faf6ea;border-color:#d2c6aa;color:#6b817a}
html[data-theme="light"] .map-legend i{background:#8fa89e}
html[data-theme="light"] .map-legend i.main{background:#a1761f}
html[data-theme="light"] .map-legend i.cross{background:repeating-linear-gradient(90deg,#8fa89e 0 4px,transparent 4px 8px)}
html[data-theme="light"] .lens-bar{background:#faf6ea;border-color:#d2c6aa;box-shadow:0 10px 22px rgba(94,76,44,.16)}
html[data-theme="light"] .lens-bar>span{color:#8a9a8f}
html[data-theme="light"] .lens-bar button{color:#6b817a}
html[data-theme="light"] .lens-bar button:hover,html[data-theme="light"] .lens-bar button.is-active{background:#e7dfc9;color:#1e3d3a}
html[data-theme="light"] .map-controls{background:#faf6ea;border-color:#d2c6aa}
html[data-theme="light"] .map-controls button{color:#5c736d;border-right-color:#d2c6aa}
html[data-theme="light"] .map-controls button:hover{background:#e7dfc9;color:#1e3d3a}
html[data-theme="light"] .node-tooltip{background:#fdfaf1;border-color:#cbbfa0;box-shadow:0 14px 30px rgba(94,76,44,.24)}
html[data-theme="light"] .node-tooltip span{color:#5c736d}
html[data-theme="light"] .map-status{color:#8a9a8f}
html[data-theme="light"] .structure-wayfinding{color:#6b817a}
html[data-theme="light"] .structure-wayfinding nav{background:rgba(250,246,234,.93);border-color:#c6ba9c}
html[data-theme="light"] .structure-wayfinding button,html[data-theme="light"] .structure-wayfinding span{color:#4b645f}
html[data-theme="light"] .structure-wayfinding button:hover{color:#8a661a}
html[data-theme="light"] .structure-wayfinding i{color:#a89c78}
html[data-theme="light"] .structure-wayfinding>span{color:#7c8f87}
html[data-theme="light"] .lecture-bar{background:#f4efe1;border-top-color:#d5c9ac}
html[data-theme="light"] .lecture-bar>button{background:#e7dfc9;color:#4b645f;border-color:#c6ba9c}
html[data-theme="light"] .lecture-bar .next-step{background:#b3892f;color:#fdf6e3;border-color:#b3892f}
html[data-theme="light"] .lecture-progress>span{color:#8a9a8f}
html[data-theme="light"] .lecture-progress>b{color:#334d47}
html[data-theme="light"] .progress-dots i{background:#cfc2a4}
html[data-theme="light"] .progress-dots i.is-complete{background:#2e8f74}
html[data-theme="light"] .progress-dots i.is-current{background:#a1761f}
html[data-theme="light"] .drawer{border-left-color:#cbbfa0;box-shadow:-18px 0 40px rgba(94,76,44,.16)}
html[data-theme="light"] .topology-root{background:#f3eedb;color:#22423e;border-color:#c9bd9e;box-shadow:6px 8px 0 rgba(94,76,44,.14)}
html[data-theme="light"] .topology-root span{color:#7c8f87}
html[data-theme="light"] .directory-node{background:#fbf8ee;color:#28443f;border-color:#c9bd9e;box-shadow:6px 8px 0 rgba(94,76,44,.12)}
html[data-theme="light"] .directory-node:hover,html[data-theme="light"] .directory-node:focus-visible{background:#fffdf6;border-color:#a1761f;color:#1e3d3a}
html[data-theme="light"] .directory-node.is-central{background:#fdf7e2;border-color:#a1761f}
html[data-theme="light"] .directory-head svg{stroke:#1f8a6e}
html[data-theme="light"] .directory-head small{color:#8a9a8f}
html[data-theme="light"] .directory-head i{color:#8a661a;border-color:#c2b48e}
html[data-theme="light"] .directory-preview{color:#7c8f87}
html[data-theme="light"] .directory-enter{border-top-color:#ddd2b4;color:#8a661a}
html[data-theme="light"] .topology-panel{border-color:#d2c6aa;background:rgba(250,246,234,.72)}
html[data-theme="light"] .topology-panel b{color:#4b645f}
html[data-theme="light"] .topology-panel small{color:#8a9a8f}
html[data-theme="light"] .topology-panel.role-cross{border-color:#b9a0b4;background:rgba(235,224,232,.5)}
html[data-theme="light"] .topology-panel.role-same{border-color:#c2b48e;background:rgba(242,236,214,.55)}
html[data-theme="light"] .topology-edge text{fill:#5f7368;stroke:#e9e2cc}
html[data-theme="light"] .topology-edge:hover text{fill:#8a661a}
html[data-theme="light"] .topology-object .achievement-label{background:#fdfaf1;border-color:#d8cdb2;color:#28443f}
html[data-theme="light"] .topology-object.is-central .achievement-label{color:#6b501c;border-color:#a1761f}
html[data-theme="light"] .topology-object.is-central .achievement-frame{box-shadow:0 0 0 5px rgba(161,118,31,.16),0 18px 34px rgba(94,76,44,.24)}
html[data-theme="light"] .object-version-count{color:#7a5c1e;background:#f1ead4;border-color:#c2b48e}
html[data-theme="light"] .library-dialog,html[data-theme="light"] .search-dialog{background:#faf6ea;color:#22423e;border-color:#c9bd9e;box-shadow:0 30px 90px rgba(60,48,24,.35)}
html[data-theme="light"] dialog::backdrop{background:rgba(90,74,44,.38)}
html[data-theme="light"] dialog header{border-bottom-color:#ddd2b4}
html[data-theme="light"] dialog header span{color:#8a9a8f}
html[data-theme="light"] dialog header>button{color:#6b817a}
html[data-theme="light"] .library-stage{border-bottom-color:#e2d8bc}
html[data-theme="light"] .library-stage>button{color:#22423e}
html[data-theme="light"] .library-stage small{color:#7c8f87}
html[data-theme="light"] .library-nodes button{background:#efe9d4;color:#5c736d;border-color:#d2c6aa}
html[data-theme="light"] .library-nodes button:hover{color:#1e3d3a}
html[data-theme="light"] .search-dialog input{background:#fffdf4;color:#22423e;border-bottom-color:#d2c6aa}
html[data-theme="light"] .search-result{color:#334d47;border-bottom-color:#e2d8bc}
html[data-theme="light"] .search-result:hover{background:#efe9d4}
html[data-theme="light"] .search-result small{color:#8a9a8f}
html[data-theme="light"] .search-result>span:last-child{color:#8a9a8f}
html[data-theme="light"] .finale-overlay{color:#334d47}
html[data-theme="light"] .finale-overlay>span{color:#7c8f87}
html[data-theme="light"] .finale-overlay p{color:#5c736d}
html[data-theme="light"] .finale-overlay button{background:#b3892f;color:#fdf6e3}
html[data-theme="light"] .finale-cell{box-shadow:1px 3px 0 rgba(94,76,44,.35);filter:saturate(.72) brightness(.95)}
html[data-theme="light"] .finale-cell:hover{outline-color:#a1761f}
/* World map: progressive unfold controls and calmer long-distance edges. */
.world-toggle{display:block;margin-top:9px;padding-top:8px;border-top:1px solid #355151;color:#d5c67d;font-style:normal;font-size:12px}
html[data-theme="light"] .world-toggle{border-top-color:#c9bfa4;color:#8a661a}
.topology-root:hover .world-toggle{color:#f1d98d}
html[data-theme="light"] .topology-root:hover .world-toggle{color:#8a661a}
body[data-structure="world"] .topology-edge.factual path{opacity:.5}
body[data-structure="world"] .topology-edge.aggregate path{opacity:.4}
.achievement.world-object{width:210px;min-height:126px}
.achievement.world-object .achievement-frame{width:86px;height:86px}
.achievement.world-object .achievement-icon{width:50px;height:50px}
.achievement.world-object .achievement-label{font-size:17px;max-width:210px;line-height:1.32;margin-top:5px}
.achievement.world-object .object-version-count{font-size:10px}
.topology-panel.world-zone{border-radius:20px;background:color-mix(in srgb,var(--zone-color,#1f8a6e) 7%,transparent);border-color:color-mix(in srgb,var(--zone-color,#1f8a6e) 26%,transparent)}
/* Advancement feel: per-chapter progress, done-frame states (MC-style). */
.topology-root .chapter-progress{display:block;margin-top:9px;height:4px;border-radius:2px;background:#d8cfb8;overflow:hidden}
.topology-root .chapter-progress i{display:block;height:100%;border-radius:2px;background:var(--chapter-color,#1f8a6e)}
.topology-root em{display:block;margin-top:5px;font-style:normal;font-size:10px;letter-spacing:.05em;color:#8a661a}
.topology-root.is-done{border-color:#c2a44e}
.topology-root.is-done strong{color:#8a661a}
.topology-root.is-done .world-toggle{color:#8a661a}
.achievement.world-object.is-visited .achievement-frame::before{background:linear-gradient(145deg,#ffe8a8,var(--node-color) 52%,#8e7138)}
body[data-structure="world"] .topology-edge.classification path{stroke-dasharray:none;opacity:.72;stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}
body[data-structure="world"] .topology-edge.narrative path{stroke-width:5;opacity:.9;stroke-linejoin:round;stroke-linecap:round}
body[data-structure="world"] .topology-edge.loop-close path{stroke-dasharray:14 12;opacity:.4}
body[data-structure="world"] .topology-edge.spoke path{stroke-width:3;opacity:.55}
body[data-structure="world"] .topology-edge.aggregate path{opacity:.55;stroke-width:2}
.achievement.dir-frame{width:215px;min-height:122px}
.achievement.dir-frame .achievement-frame{width:92px;height:92px}
.achievement.dir-frame .achievement-icon{width:52px;height:52px}
.achievement.dir-frame .achievement-label{font-size:16px;font-weight:650;max-width:215px;line-height:1.3;margin-top:5px;white-space:nowrap}
.achievement.dir-frame .object-version-count{position:absolute;top:-7px;right:-7px;display:block;margin:0;padding:1px 6px;font-size:11px;border-radius:9px;background:#f6efd9;border:1px solid #c9bc9c;color:#7a5c1e;box-shadow:0 2px 6px rgba(94,76,44,.18)}
.achievement.dir-frame:hover{filter:brightness(1.08)}
.ai-core{position:absolute;transform:translate(-50%,-50%);width:230px;height:230px;border-radius:50%;background:#173235;color:#f2ede2;display:grid;place-items:center;align-content:center;gap:8px;box-shadow:0 0 0 14px rgba(23,50,53,.07),0 18px 44px rgba(0,0,0,.2);pointer-events:none}
.ai-core b{font-family:Arial,sans-serif;font-size:66px;font-weight:900;letter-spacing:-.06em;line-height:1}
.ai-core small{font-size:11px;letter-spacing:.32em;color:#93aca4;padding-left:.32em}
html[data-theme="light"] .ai-core{background:#22423e;color:#f4efe1}
html[data-theme="light"] .ai-core small{color:#8fa89f}

/* Projection: frameless node captions instead of floating label boxes. */
html[data-theme="light"] .achievement-label{background:transparent;box-shadow:none;border:0;padding:2px 4px;color:#2c4740}
html[data-theme="light"] .achievement.is-current .achievement-label{color:var(--node-color)}
html[data-theme="light"] .achievement.tier-milestone .achievement-label{background:transparent;border:0}
html[data-theme="light"] .topology-object .achievement-label{background:transparent;border:0;color:#2c4740}

/* World tree: fixed world-size nodes (no counter-zoom), read by zooming like an advancement screen. */
body[data-structure="world"] .achievement{transform:translate(-50%,-50%)}
.achievement.dir-frame.is-open .achievement-frame::before{background:linear-gradient(145deg,#ffe8a8,var(--node-color) 52%,#8e7138)}
.achievement.dir-frame .object-version-count{letter-spacing:.04em}

/* World stations and core: compact, projection-friendly. */
.topology-root.world-station{width:180px;min-height:76px;padding:9px 11px}
.topology-root.world-station strong{font-size:14px;margin-top:4px}
.topology-root.world-station span{font-size:9px}
.topology-root.world-station .chapter-progress{margin-top:6px;height:4px}
.topology-root.world-station em{font-size:9px;margin-top:3px}
.topology-root.world-station .world-toggle{font-size:10px;margin-top:6px;padding-top:5px}
.ai-core{width:250px;height:250px;gap:8px}
.ai-core b{font-size:72px}
.ai-core small{font-size:12px}
.structure-wayfinding button[data-world-all],.structure-wayfinding button[data-world-none]{padding:2px 10px;border:1px solid #4b645f;border-radius:999px;font-size:11px}
html[data-theme="light"] .structure-wayfinding button[data-world-all],html[data-theme="light"] .structure-wayfinding button[data-world-none]{border-color:#a9b8a8;color:#3f5f55}

/* Compact object cards for directories with a narrow wedge. */
.achievement.world-object.compact{width:168px;min-height:104px}
.achievement.world-object.compact .achievement-frame{width:68px;height:68px}
.achievement.world-object.compact .achievement-icon{width:42px;height:42px}
.achievement.world-object.compact .achievement-label{font-size:13.5px;max-width:168px;line-height:1.28;margin-top:4px}
.achievement.world-object.compact .object-version-count{font-size:9px;padding:1px 5px}

/* Compact directory chip used when many directories are visible at once: the
   ring keeps its size, so there is no empty band between levels. */
.achievement.dir-frame.chip{width:118px;min-height:104px}
.achievement.dir-frame.chip .achievement-frame{width:64px;height:64px}
.achievement.dir-frame.chip .achievement-icon{width:38px;height:38px}
.achievement.dir-frame.chip .achievement-label{font-size:11px;max-width:118px;line-height:1.25;margin-top:4px;white-space:normal}
.achievement.dir-frame.chip .object-version-count{font-size:9px;padding:0 4px;top:-6px;right:-6px}

/* 任务轴标签：放在定义下方，替代过去按能力拆分的重复目录 */
.axis-chips{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:10px 0 4px}
.axis-chips span{font-size:12px;letter-spacing:.08em;color:var(--q-ink-soft,#6b7772)}
.axis-chips b{font-size:12.5px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--q-chip-bg,rgba(31,138,110,.10));color:var(--q-chip-ink,#1f6f5c);border:1px solid var(--q-chip-line,rgba(31,138,110,.22))}