.top-actions select,.filter-select{border:1px solid #dedee6;border-radius:10px;padding:9px 12px;background:#fff;font-size:11px;max-width:200px}.topbar{gap:8px}.sidebar{width:224px;padding:28px 16px}.shell{margin-left:224px}.sidebar-label{margin-top:32px}nav{gap:5px}.nav-item{padding:11px 14px}.nav-icon{font-size:16px;width:20px}.dashboard-intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:20px}.dashboard-intro h1{font-size:34px;letter-spacing:-1.2px;margin:10px 0}.dashboard-intro p{font-size:13px;color:var(--muted);line-height:1.9}.period-badge{background:#fff;border-radius:16px;padding:16px 20px;font-size:11px;color:#7c7f8c;border:1px solid var(--line)}.v2-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:20px}.v2-three{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.compact-card{background:white;border:1px solid var(--line);border-radius:20px;padding:24px}.compact-card h3{font-size:16px;line-height:1.5;margin:12px 0}.compact-card p{font-size:12px;color:var(--muted);line-height:1.8}.wide-table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:12px}.wide-table th{text-align:left;color:#8b8c96;font-weight:500;padding:16px 12px;border-bottom:1px solid #e7e7ec;background:#fcfcfd}.wide-table td{padding:16px 12px;border-bottom:1px solid #eeeeF3}.table-wrap{overflow:auto}.student-name{display:flex;align-items:center;gap:10px}.avatar{width:32px;height:32px;border-radius:50%;background:#edf2fb;color:#5c7eaf;display:inline-grid;place-items:center;font-size:12px}.mini-progress{width:96px;height:4px;background:#ececf1;border-radius:5px;margin-top:8px}.mini-progress i{display:block;height:100%;background:#7a9edb;border-radius:5px}.student-cell{font-size:11px;background:#f1f3f8;border-radius:8px;padding:9px 12px}.student-cell.pass{color:#268256;background:#eaf5ef}.student-cell.warn{color:#a27c31;background:#fff5df}.student-cell.pending{color:#8260b6;background:#f2edfa}.section-top h2{font-size:19px}.metric-note{font-size:10px;color:#9898a1}.chart-row{display:flex;gap:12px;align-items:center;font-size:12px;margin:18px 0}.chart-row label{width:112px}.chart-row .bar{height:8px;flex:1;background:#f0f1f5;border-radius:6px}.chart-row .bar i{display:block;height:100%;background:linear-gradient(90deg,#80a7e6,#adbae8);border-radius:6px}.chart-row span{font-size:11px;color:var(--muted);width:44px}.notice{background:#edf3ff;border:1px solid #dfe8fa;color:#607aa6;padding:14px 20px;border-radius:14px;font-size:12px;line-height:1.8;margin:0 0 24px}#scenario .notice{margin:16px 44px 0;background:#fff5df;border-color:#f1e3bf;color:#917342}.map-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:20px}.map-tree{border:1px solid var(--line);border-radius:20px;background:white;padding:20px;max-height:690px;overflow:auto}.map-tree details{margin:10px 0}.map-tree summary{font-size:12px;cursor:pointer;line-height:1.8}.map-tree .tree-unit{margin:10px 0 10px 12px;color:#6b7890;font-size:11px}.tree-kp{display:block;text-align:left;padding:9px 8px;font-size:11px;color:#6c6f7c;line-height:1.6;border-radius:8px;width:100%}.tree-kp:hover,.tree-kp.active{background:#edf3fc;color:#326bb1}.map-surface{background:radial-gradient(ellipse at 45% 50%,#fff,#f4f7fc);border:1px solid var(--line);border-radius:24px;overflow:hidden;position:relative;min-width:0}.map-tools{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 20px;background:#ffffffa8;border-bottom:1px solid #e9edf4}.map-tools .actions{gap:6px}.map-tools button{padding:6px 10px;background:white;border:1px solid #e6e8ed;border-radius:8px;font-size:12px}.map-tools span{font-size:11px;color:#7e8899}.map-viewport svg{width:100%;display:block;min-height:440px;max-height:680px;cursor:grab}.map-viewport svg:active{cursor:grabbing}.map-node{cursor:pointer;outline:none}.map-node rect{fill:white;stroke:#c9d7eb;stroke-width:1.2;filter:drop-shadow(0 3px 3px #3c5d8508)}.map-node.module rect{fill:#edf3ff;stroke:#aabfe2}.map-node.unit rect{fill:#f5f2fc;stroke:#d3c9e5}.map-node text{font:12px -apple-system,"Microsoft YaHei",sans-serif;fill:#334c72;pointer-events:none}.map-node .map-tag{font-size:9px;fill:#8c9bb3}.map-node:hover rect,.map-node:focus rect,.map-node.selected rect{stroke:#327ed2;stroke-width:2}.tree-line{fill:none;stroke:#b6c9e2;stroke-width:1.5}.pre-line{fill:none;stroke:#b2a3ca;stroke-dasharray:5 5;opacity:.65}.map-caption{font-size:10px;color:#8592a7;padding:12px 20px;line-height:1.8;border-top:1px solid #e8edf4}.node-drawer{position:fixed;top:88px;right:20px;bottom:20px;width:430px;padding:28px;border-radius:24px;background:#fffffff7;border:1px solid #e0e4ed;box-shadow:0 20px 90px #23384f33;backdrop-filter:blur(22px);z-index:35;overflow:auto}.node-drawer h2{font-size:25px;margin:18px 0 12px}.node-drawer h3{font-size:13px;margin:24px 0 12px}.node-drawer .prose{font-size:12px}.node-drawer .detail-top{display:flex;justify-content:space-between;align-items:center}.drawer-actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:20px}.node-drawer .resource-box{background:#f5f7fc;border:1px solid #e4eaf4;border-radius:12px;padding:14px;margin:10px 0;font-size:12px;line-height:1.8}.relationship{border-radius:8px;background:#f2f4f9;padding:7px 9px;display:inline-block;font-size:10px;margin:4px 4px 0 0;color:#557299}.curriculum-head{padding:28px;background:linear-gradient(120deg,#fff,#eef3fb);border:1px solid white;border-radius:24px;margin-bottom:24px}.curriculum-head h1{font-size:30px;margin:12px 0}.curriculum-head p{font-size:13px;color:var(--muted);line-height:1.9}.task-list-row{background:white;border:1px solid #e5e7ee;border-radius:20px;padding:24px;margin:16px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}.task-list-row h3{font-size:17px;margin:10px 0}.task-list-row p{font-size:12px;color:var(--muted);line-height:1.7}.student-hero{border-radius:28px;padding:36px;background:linear-gradient(120deg,#fff,#eef1fc);margin-bottom:28px;border:1px solid white}.student-hero h1{font-size:36px;margin:12px 0}.student-hero p{font-size:13px;color:#7b8394;line-height:1.9}.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.resource-tile{padding:22px;border:1px solid #e5e7ee;border-radius:18px;background:white}.resource-tile h3{font-size:15px;margin:12px 0}.resource-tile p{font-size:12px;color:#818895;line-height:1.8}.topic-chip{font-size:10px;padding:5px 8px;background:#edf2fc;color:#6685b4;border-radius:7px}.tabs{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}.tabs button{padding:9px 15px;border-radius:20px;font-size:12px;background:white;border:1px solid #e4e6ed}.tabs button.active{background:#263e66;color:white;border-color:#263e66}.editor-kps{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;max-height:320px;overflow:auto}.check-row{padding:10px;border:1px solid #e5e7ee;border-radius:10px;font-size:11px;display:flex;gap:8px;line-height:1.7}.step-list .step{align-items:center}.due{font-size:10px;color:#a77438}.ledger-number{font-size:28px;font-weight:600;letter-spacing:-1px;margin:14px 0}.ledger-number small{font-size:12px;font-weight:400;color:#959ca8;letter-spacing:0}.ledger-item{padding:24px 0;border-bottom:1px solid #eeeef4}.ledger-item:last-child{border:0}.ledger-item h3{font-size:17px}.ledger-item p{font-size:12px;line-height:1.9;color:var(--muted)}.ai-controls{display:flex;justify-content:space-between;padding:12px 20px 0}.ai-controls select{padding:8px;border:1px solid #e0e3ec;border-radius:9px;background:white;font-size:11px}.reference-card{padding:12px;background:#f0f4fb;border:1px solid #dfe8f5;border-radius:12px;font-size:11px;line-height:1.8}.reference-card button{font-size:11px;color:#456faa;text-align:left}.question fieldset{border:0;padding:0;margin:0}.question legend{font-size:13px;line-height:1.9;margin:12px 0}.teacher-preview{border:1px dashed #c8d7ef;background:#f2f6fc;padding:16px;border-radius:12px;font-size:12px;color:#6180a5;margin-bottom:24px}.progress-track{max-width:300px}.pill.bad{background:#fbedeb;color:#b96452}.learning-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px}.chapter-nav{position:sticky;top:100px}.faq-item{padding:20px 0;border-bottom:1px solid #e9ebf0}.faq-item h3{font-size:14px;line-height:1.7}.faq-item p{white-space:pre-line;font-size:12px;line-height:1.9;color:var(--muted)}.mobile-menu{display:none}#ai-save{padding:0 16px}.map-surface:fullscreen{background:#f5f7fb;padding:24px}.map-surface:fullscreen svg{max-height:calc(100vh - 150px);height:calc(100vh - 150px)}
.v2-grid>*{min-width:0}.table-wrap{max-width:100%}
@media(max-width:1200px){.sidebar{width:190px}.shell{margin-left:190px}main{padding:28px}.topbar{padding:0 24px}.map-layout{grid-template-columns:190px minmax(0,1fr)}.top-actions{gap:8px}.v2-grid{grid-template-columns:1fr}.v2-three{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.sidebar{width:70px}.shell{margin-left:70px}.nav-item{padding:12px}.nav-item span:last-child{display:none}.topbar .crumb{display:none}.topbar{justify-content:flex-end}.map-layout{grid-template-columns:1fr}.map-tree{max-height:240px}.learning-grid{grid-template-columns:1fr}.chapter-nav{position:static}.top-actions select{max-width:155px}.node-drawer{width:min(430px,calc(100vw - 100px))}.v2-three{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.sidebar{width:100%;height:64px;padding:6px;align-items:stretch;overflow:auto}.shell{margin-left:0}nav{justify-content:flex-start;min-width:max-content;gap:2px}.nav-item{padding:8px 12px;min-width:48px}.nav-item .nav-icon{display:block!important}.nav-item span:last-child{display:none}.topbar{padding:0 12px}.top-actions{width:100%;justify-content:space-between;gap:6px}.top-actions select{font-size:10px;padding:8px 6px;max-width:133px}.assistant-trigger{font-size:10px;padding:8px}.dashboard-intro{align-items:flex-start}.dashboard-intro h1{font-size:28px}.period-badge{display:none}.v2-three,.resource-grid{grid-template-columns:1fr}.node-drawer{inset:72px 8px 72px;width:auto;padding:24px}#drawer-shade:not([hidden]){position:fixed;inset:64px 0;z-index:32;background:#14203840;backdrop-filter:blur(2px)}.map-viewport svg{min-height:300px}.map-tools{padding:12px;flex-wrap:wrap}.task-list-row{align-items:flex-start;flex-direction:column;padding:20px}.editor-kps{grid-template-columns:1fr}.student-hero{padding:28px}.student-hero h1{font-size:29px}.dashboard-intro{margin-top:0}.stats{grid-template-columns:1fr 1fr}.topbar{height:64px}#scenario .notice{margin:12px 16px 0;font-size:11px}.wide-table{font-size:11px}.wide-table td,.wide-table th{padding:12px 9px}.map-tree{max-height:180px}.sidebar-bottom{display:none}.resource-tile{padding:20px}}

/* V3 calm, light surfaces with three module colors and circular graph nodes. */
:root{--accent:#0071e3}
body{background:#f5f5f7;color:#1d1d1f}
.sidebar{background:rgba(251,251,253,.96)}
.topbar{background:rgba(255,255,255,.85);backdrop-filter:blur(20px)}
.dashboard-intro h1{letter-spacing:-1.5px;font-weight:650}
.panel,.compact-card,.resource-tile,.task-list-row{border:1px solid #e8e8ed;box-shadow:0 4px 20px #1d1d1f03;border-radius:24px}
.panel{margin-top:24px}.resource-tile{background:white}.course-module{margin-top:40px}
.curriculum-head{background:linear-gradient(120deg,#fff,#eef4fc);border:1px solid #e7ebf2;border-radius:28px}
.student-hero{background:linear-gradient(130deg,#fff,#edf4fd);border:1px solid #e2e8f1}
.primary{background:#0071e3;color:white;border-radius:999px}.secondary{border-radius:999px}
.knowledge-status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.map-surface{background:#fff;border:1px solid #e8e8ed;border-radius:24px;overflow:hidden}
.map-viewport{height:620px;background:radial-gradient(ellipse at 50% 45%,#fafcff,white 75%)}
.map-node circle.orb{stroke:#fff;stroke-width:1.5;filter:url(#orb-shadow);transition:stroke-width .15s}
.map-node .orb-halo{fill:none;stroke:transparent;stroke-width:3}
.map-node.selected .orb-halo,.map-node:focus .orb-halo{stroke:#0071e3}
.map-node text{font-family:inherit;text-anchor:middle;fill:#354154;font-size:14px;font-weight:500;pointer-events:none}
.map-node .sphere-label{font-size:11px;fill:#68778e;font-weight:400}
.map-node .sphere-mark{font-size:13px;fill:#fff;font-weight:600}
.map-node{cursor:grab;outline:none}.map-node:active{cursor:grabbing}
.tree-line{fill:none;stroke:#d3dce9;stroke-width:1.5}.pre-line{fill:none;stroke:#9aabc2;stroke-width:1.3;stroke-dasharray:5 5;opacity:.65}
.edge-muted{opacity:.14}.edge-active{stroke:#0071e3;stroke-width:2;opacity:.9}
.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin:0 4px 0 12px}.blue-dot{background:#659ed9}.purple-dot{background:#a193cc}.green-dot{background:#77b6a7}
.map-tools{padding:16px;gap:12px;flex-wrap:wrap}.map-caption{line-height:2;padding:16px}
.map-tree .tree-kp{line-height:1.6}.node-drawer .resource-box{line-height:1.8}
.wide-table small{color:#7b8491}.resource-tile small{color:#697484}
@media(max-width:1000px){.knowledge-status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.map-layout{grid-template-columns:1fr}.map-tree{max-height:200px;overflow:auto}.map-viewport{height:580px}}
@media(max-width:600px){.knowledge-status-grid{grid-template-columns:1fr}.map-viewport{height:470px}.map-tools .actions{gap:4px}.map-tools button{padding:8px 12px}.curriculum-head h1,.student-hero h1{font-size:30px}.dashboard-intro h1{letter-spacing:-.8px}.course-module{margin-top:24px}}

.graph-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:24px}
.module-summary{display:flex;flex-direction:column;text-align:left;gap:12px;padding:24px;border:1px solid #e1e7f0;border-radius:20px;background:white;color:#263750;cursor:pointer}
.module-summary small{color:#637691;font-size:11px}.module-summary b{font-size:19px}.module-summary span{font-size:12px;color:#667085}
.module-summary.tone-0{background:linear-gradient(120deg,#fff,#eef6ff)}.module-summary.tone-1{background:linear-gradient(120deg,#fff,#f3effc)}.module-summary.tone-2{background:linear-gradient(120deg,#fff,#edf8f3)}
.whole-map{display:block}.whole-map.with-directory{display:grid;grid-template-columns:240px minmax(0,1fr);gap:16px}.whole-map .map-tree{max-height:760px;overflow:auto}
.whole-map .map-viewport{height:640px;background:radial-gradient(ellipse,#f9fbff,white 80%)}.whole-map .map-viewport svg{width:100%;height:100%;display:block}
.map-surface:fullscreen{background:white;display:flex;flex-direction:column}.map-surface:fullscreen .map-viewport{height:auto;flex:1;min-height:0}
.relation-toggles{display:flex;gap:8px;flex-wrap:wrap}.relation-toggle{padding:10px 16px;border:1px solid #e2e5eb;border-radius:12px;color:#7b8491;background:#fafbfc;cursor:pointer}.relation-toggle.active{color:#245689;background:#edf4fd;border-color:#c8d9ec}
.whole-map .map-node text{font-size:18px;fill:#33465e}.whole-map .map-node .sphere-label{font-size:12px;fill:#78899b}.whole-map .map-node .sphere-mark{font-size:14px;fill:white}
.whole-map .map-node.module text{font-weight:600}.whole-map .map-node.unit text{font-size:16px}
.relation-line{fill:none;stroke:#8696b7;stroke-dasharray:2 6;stroke-width:1.2;opacity:.65}.relation-label{font:13px system-ui,sans-serif;text-anchor:middle;fill:#526f94;paint-order:stroke;stroke:white;stroke-width:5px;stroke-linejoin:round;pointer-events:none}
.whole-map .edge-muted{opacity:.2}.whole-map .edge-active{opacity:1;stroke:#0071e3;stroke-width:2}.relation-label.edge-active{stroke:white;stroke-width:5px}
.graph-resource-strip{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #edf0f5;padding:16px 24px;background:#fbfcfe}.graph-resource-strip>div:first-child{display:flex;flex-direction:column;gap:8px}.graph-resource-strip small{font-size:11px;color:#8290a3}.graph-resource-strip b{font-size:14px}
.graph-resource-strip[hidden]{display:none}.multiline{white-space:pre-line}.node-deep-content{margin-top:24px}.node-drawer{width:560px;max-width:100vw}.node-drawer .prose{line-height:1.95}
.whole-map .map-caption{font-size:12px}.module-summary:focus-visible,.relation-toggle:focus-visible{outline:3px solid #80b5eb;outline-offset:3px}
.graph-page .dashboard-intro{margin-bottom:24px}.graph-page .dashboard-intro h1{font-size:32px;margin-top:12px}.graph-page .module-summary{padding:16px 20px;gap:8px}.graph-page .graph-summary{margin-bottom:20px}.graph-page .toolbar{margin-bottom:20px}.graph-page .whole-map .map-viewport{height:clamp(420px,calc(100vh - 440px),640px)}
@media(max-width:1050px){.whole-map.with-directory{display:block}.whole-map .map-tree{max-height:220px;margin-bottom:16px}.graph-resource-strip{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.graph-summary{grid-template-columns:1fr;gap:8px}.module-summary{padding:16px;gap:8px}.module-summary b{font-size:16px}.whole-map .map-viewport{height:440px}.whole-map .map-tools{gap:12px}.relation-toggle{padding:8px 12px}.whole-map .map-tools .actions{gap:4px}.node-drawer{width:auto;max-width:calc(100vw - 16px);inset:72px 8px}}

/* Reference-inspired split view: muted radial graph and a persistent reading panel. */
.graph-page .dashboard-intro{margin-bottom:20px}.graph-page .dashboard-intro h1{font-size:30px;letter-spacing:-1px}.graph-page .dashboard-intro p{color:#797c82}
.graph-page .graph-toolbar{margin-bottom:20px}.reference-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(310px,1fr);gap:24px;align-items:start}
.reference-layout>.map-surface,.graph-inspector{border:1px solid #e7e7eb;border-radius:26px;background:#fff;overflow:hidden;min-width:0}
.reference-layout .map-tools{padding:16px 20px;gap:12px;flex-wrap:wrap;background:#fff}.reference-layout .relation-toggles{gap:8px}.reference-layout .relation-toggle{display:flex;align-items:center;gap:7px;padding:10px 12px;background:#f1f1f3;border-color:transparent;color:#5b5e64;border-radius:12px;font-size:12px}.reference-layout .relation-toggle.active{background:#ededf0;color:#35383d}.relation-dot{height:8px;width:8px;border-radius:50%;background:#b3b8c0}.relation-dot.knowledge{background:#78909c}.relation-dot.resources{background:#839b87}.relation-toggle[aria-pressed="false"] .relation-dot{opacity:.25}
.graph-page .reference-layout .map-viewport{height:clamp(440px,calc(100vh - 440px),760px);background:#f8f8fa}.reference-layout .map-viewport svg{min-height:0;max-height:none;width:100%;height:100%}
.reference-layout .map-node circle.orb{filter:url(#orb-shadow);stroke-width:2}.reference-layout .map-node text{text-anchor:middle;font-family:system-ui,sans-serif;font-weight:500;pointer-events:none}.reference-layout .map-node .sphere-label{fill:#718078;font-size:10px}.reference-layout .map-node.course text,.reference-layout .map-node.module text{font-weight:600}.reference-layout .map-node .orb-halo{fill:none;stroke:transparent;stroke-width:4}.reference-layout .map-node.selected .orb-halo,.reference-layout .map-node:focus-visible .orb-halo{stroke:#006dc4}
.reference-layout .tree-line{stroke:#b3bac1;stroke-width:2;opacity:.8}.reference-layout .pre-line{stroke:#9eafb5;stroke-width:1.3;opacity:.55}.reference-layout .relation-line{stroke:#788f9e;opacity:.65}.reference-layout .edge-active{stroke:#668698;opacity:1}.reference-layout .edge-muted{opacity:.24}
.reference-layout .graph-resource-strip{padding:16px;align-items:flex-start;flex-direction:column;background:#fbfbfc}.reference-layout .graph-resource-strip .actions{gap:8px}.reference-layout .map-caption{padding:16px;font-size:11px;color:#8b9199}
.graph-inspector{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow-y:auto;padding:28px;scrollbar-width:thin}.inspector-meta{display:flex;justify-content:space-between;gap:12px;align-items:center}.inspector-meta>span{font-size:13px;font-weight:650;letter-spacing:.5px;color:#006dc4}.inspector-meta .pill{background:#f0f0f2;color:#606269;padding:8px 10px}.inspector-head h2{font-size:28px;line-height:1.4;letter-spacing:-.5px;margin:16px 0 24px}.inspector-tabs{display:flex;background:#f1f1f3;padding:4px;border-radius:14px;margin-bottom:28px;gap:4px}.inspector-tabs button{flex:1;background:transparent;color:#82848b;border:1px solid transparent;border-radius:10px;padding:12px 4px;font-size:14px;cursor:pointer}.inspector-tabs button.active{background:#fff;color:#313237;border-color:#dedee4;box-shadow:0 2px 5px #00000009}
.inspector-body{font-size:14px;line-height:1.9;color:#565960}.inspector-body h3{font-size:17px;color:#27282d;margin:28px 0 12px}.inspector-body h3:first-child{margin-top:0}.inspector-body h4{font-size:15px;color:#3a3e43;margin:0 0 12px}.inspector-body p{margin:12px 0;overflow-wrap:anywhere}.inspector-body .relationship{display:block;width:100%;text-align:left;white-space:normal;background:#f4f5f6;border:1px solid #e9ebee;border-radius:10px;padding:10px 12px;font-size:12px;margin:8px 0;color:#526672}.inspector-case{background:#f4f5f3;border-radius:14px;padding:18px;font-size:13px}.inspector-counts{display:flex;justify-content:space-around;background:#f6f6f8;border-radius:16px;padding:20px 12px;gap:12px;margin:20px 0}.inspector-counts b{font-size:25px;color:#33363c;text-align:center}.inspector-counts small{display:block;font-size:11px;font-weight:400;color:#93969d;margin-top:6px}.inspector-unit{padding:16px 0;border-top:1px solid #ececf0}.inspector-question{padding:16px 0;border-top:1px solid #ececf0}.inspector-question small{color:#7d8b91}.inspector-resources{display:flex;flex-direction:column;gap:12px;margin:24px 0}.core-chips{display:flex;flex-wrap:wrap;gap:8px}.core-chips button{white-space:normal;text-align:left;padding:8px 12px;background:#f1f1f3;color:#6f7378}.graph-directory{background:white;border:1px solid #e6e6eb;border-radius:18px;padding:20px;margin-bottom:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.graph-directory summary{cursor:pointer;font-size:13px}.graph-directory p{font-size:12px}
.graph-inspector button:focus-visible{outline:3px solid #abc5d7;outline-offset:2px}.graph-inspector a{overflow-wrap:anywhere}
@media(min-width:1600px){.reference-layout{grid-template-columns:minmax(0,2fr) minmax(350px,1fr)}.graph-inspector{padding:32px}}
@media(max-width:1100px){.reference-layout{grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr);gap:16px}.graph-inspector{padding:20px}.inspector-head h2{font-size:24px}.reference-layout .map-tools{padding:12px}}
@media(max-width:800px){.reference-layout{grid-template-columns:1fr}.graph-inspector{position:static;max-height:none;padding:24px}.graph-page .reference-layout .map-viewport{height:560px}.graph-directory{grid-template-columns:1fr}}
@media(max-width:500px){.graph-page .reference-layout .map-viewport{height:440px}.reference-layout .relation-toggle{font-size:11px;padding:8px}.inspector-head h2{font-size:26px}}
.reference-layout .map-surface:fullscreen .map-viewport{height:auto;flex:1}.reference-layout .map-surface:fullscreen{padding:0}
.assignment-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.assignment-card{background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:28px;display:flex;flex-direction:column;min-width:0}.assignment-meta{display:flex;justify-content:space-between;align-items:center;gap:12px}.assignment-card h3{margin:20px 0 12px}.task-title-button{font:inherit;font-size:22px;font-weight:650;color:#242b34;text-align:left;background:none;border:0;padding:0;line-height:1.5;cursor:pointer}.task-title-button:hover{color:#315d91}.assignment-description{color:#707784;line-height:1.8;margin:0 0 24px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}.assignment-facts{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px;padding:20px 0;border-top:1px solid #edf0f3}.assignment-facts span{display:block;font-size:12px;color:#888f99;margin-bottom:8px}.assignment-facts b{font-size:14px;font-weight:550}.assignment-progress{background:#f6f7f9;padding:16px;border-radius:16px;margin-top:auto}.assignment-progress>div:first-child{display:flex;justify-content:space-between;font-size:13px;margin-bottom:12px}.assignment-progress p{color:#777f8a;font-size:12px;margin:12px 0 0}.assignment-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:20px}.assignment-draft{color:#8b6b37;font-size:12px}.assignment-summary{color:#818894;font-size:13px;margin:0 0 24px}.assignment-module{margin-top:32px}.assignment-toolbar{flex-wrap:wrap}.assignment-stats{margin-bottom:24px}.task-tabs{display:flex;gap:8px;background:#eaeef2;padding:4px;border-radius:16px;width:max-content;max-width:100%;margin:0 0 24px}.task-tabs button{border:0;background:transparent;padding:12px 24px;border-radius:12px;color:#68727e;cursor:pointer}.task-tabs button.active{background:#fff;color:#263e57;box-shadow:0 2px 6px #283b4b0a}.task-detail-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:24px;align-items:start}.task-steps{padding-left:24px;line-height:2;color:#626e7b}.task-materials{display:flex;flex-wrap:wrap;gap:12px}.task-schedule dt{font-size:12px;color:#89909a;margin-top:20px}.task-schedule dd{margin:8px 0 24px;line-height:1.7}.task-table-wrap{overflow-x:auto}.task-progress-table{border-collapse:collapse;width:100%;text-align:left}.task-progress-table th,.task-progress-table td{padding:16px;border-bottom:1px solid #eceff2;white-space:nowrap;font-size:13px}.task-progress-table th{color:#7b8692;font-weight:500}.task-progress-line{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #eff1f4;padding:16px 0;font-size:14px}.task-progress-line b{white-space:nowrap;font-weight:500}.task-submission{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid #eceff2}.task-submission h3{font-size:15px}.task-no-submissions{text-align:center;padding:56px 20px;color:#798491}.task-no-submissions b{color:#485564;font-size:20px}.task-no-submissions p{line-height:1.8}.assignment-card button:focus-visible,.task-tabs button:focus-visible{outline:3px solid #abc5d7;outline-offset:4px}
@media(max-width:1000px){.assignment-grid,.task-detail-grid{grid-template-columns:1fr}}@media(max-width:600px){.assignment-card{padding:20px}.assignment-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.assignment-toolbar .search{flex-basis:100%}.task-tabs{width:100%}.task-tabs button{padding:12px 8px;flex:1}.task-submission{align-items:flex-start;flex-direction:column}.task-title-button{font-size:20px}}