.workbench-title{margin-bottom:18px}.learning-workbench{display:grid;grid-template-columns:minmax(250px,310px) minmax(0,1fr);gap:18px;align-items:start}.learning-workbench>aside{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff;padding:14px;min-width:0}.route-heading{display:flex;justify-content:space-between;align-items:center;padding:4px 4px 12px;border-bottom:1px solid var(--line)}.route-heading span{font-size:12px;font-weight:750;letter-spacing:.08em;text-transform:uppercase}.route-heading small{color:var(--muted)}.route-group{border-bottom:1px solid var(--line);padding:4px 0}.route-group summary{display:flex;align-items:center;gap:8px;min-height:44px;padding:8px 4px;cursor:pointer;list-style:none}.route-group summary::-webkit-details-marker{display:none}.route-group summary:before{content:'›';font-size:20px;color:#748292;transition:transform .15s}.route-group[open] summary:before{transform:rotate(90deg)}.route-group summary b{font-size:13px;line-height:1.45}.route-group summary span{margin-left:auto;color:var(--muted);font-size:12px}.route-group>p{margin:0 8px 10px 26px;font-size:12px;color:var(--muted)}.route-group ol{list-style:none;padding:0;margin:0 0 10px}.route-group li button{width:100%;display:grid;grid-template-columns:28px minmax(0,1fr);gap:0 8px;text-align:left;border:0;border-radius:7px;background:transparent;padding:8px;color:var(--ink)}.route-group li button>span{grid-row:1/3;width:24px;height:24px;display:grid;place-items:center;border:1px solid #cbd5df;border-radius:50%;font-size:11px}.route-group li button b{font-size:13px;line-height:1.45}.route-group li button small{font-size:11px;color:var(--muted)}.route-group li button.active{background:#142135;color:#fff}.route-group li button.active>span{border-color:#6ed7bd;color:#8de5cf}.route-group li button.active small{color:#b9c7d6}.all-concepts div{display:grid;gap:3px;padding:4px}.all-concepts button{border:0;background:transparent;text-align:left;border-radius:5px;padding:8px;font-size:12px}.all-concepts button.active{background:#e3f4ef;color:#126653;font-weight:700}
.learning-workbench>article{min-width:0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.workbench-context{height:auto;display:grid;gap:9px;padding:18px 22px;border:0;border-bottom:1px solid var(--line);background:#f8fafc}.back-map{font-size:13px;color:#166b5a;text-decoration:none;width:max-content}.context-line{display:flex;align-items:baseline;gap:9px;min-width:0}.context-line span{color:var(--muted);font-size:13px}.context-line b{color:#a8b1bc}.context-line strong{font-size:18px;line-height:1.4;overflow-wrap:anywhere}.context-meta{display:flex;flex-wrap:wrap;gap:6px}.context-meta span{font-size:11px;padding:3px 7px;border:1px solid #d5dde5;border-radius:4px;color:#566576;background:#fff}.context-meta .evidence-stage{border-color:#e3c78d;color:#805513;background:#fff9ec}.mode-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);background:#fff}.mode-tabs button{display:grid;gap:1px;text-align:left;padding:13px 18px;border:0;border-right:1px solid var(--line);border-bottom:3px solid transparent;background:#fff;color:var(--ink)}.mode-tabs button:last-child{border-right:0}.mode-tabs button b{font-size:15px}.mode-tabs button span{font-size:11px;color:var(--muted)}.mode-tabs button.active{border-bottom-color:#1e836d;background:#f1f8f6}.mode-tabs button.active b{color:#126854}.mode-description{margin:0;padding:10px 22px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.study-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,30%);align-items:start}.study-main{min-width:0;padding:22px}.study-main>section{padding:0 0 22px;margin:0 0 22px;border-bottom:1px solid var(--line)}.study-main>section:last-child{border:0;margin-bottom:0}.study-main h2{font-size:22px;line-height:1.45;margin:7px 0 9px}.study-main h3,.study-side h3{font-size:14px;margin:0 0 10px;color:#526173}.study-main p,.study-main li,.study-side p,.study-side li{font-size:14px;line-height:1.7}.study-main ul{padding-left:20px}.study-side{display:grid;gap:12px;padding:18px;border-left:1px solid var(--line);background:#f8fafb;min-width:0;position:sticky;top:0}.study-side>section{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}.learning-objective,.brief-card,.recall-card{border-left:4px solid #24816c!important;padding:17px 18px!important;background:#f0f7f5}.learning-objective>span,.brief-card>span,.recall-card>span,.next-tracer>span{font-size:11px;letter-spacing:.12em;font-weight:750;color:#176d59}.prereq-list{display:grid;gap:6px}.relation-flow{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1.25fr) auto minmax(0,1fr);gap:7px;align-items:center}.relation-flow span,.relation-flow strong{min-height:54px;display:grid;place-items:center;text-align:center;padding:8px;border:1px solid #d7e0e7;border-radius:7px;font-size:12px;overflow-wrap:anywhere}.relation-flow strong{background:#142135;color:#fff;border-color:#142135}.relation-flow b{color:#759084}.explain-block .lead{font-size:16px;color:#263a50}.explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.explain-grid>div{padding:14px;border:1px solid var(--line);border-radius:8px}.explain-grid p{margin-bottom:0}.check-card{padding:17px!important;background:#f7f4ec;border:1px solid #e7dbc0!important;border-radius:8px}.check-card>span{font-size:11px;color:#8a5c16;font-weight:700}.check-card details,.recall-card details{margin-top:12px}.check-card summary,.recall-card summary{min-height:44px;display:flex;align-items:center;color:#176d59;font-weight:700;cursor:pointer}.completion-card ul,.evidence-checklist{display:grid;gap:8px;list-style:none;padding:0!important}.completion-card li,.evidence-checklist li{display:grid;grid-template-columns:22px 1fr;align-items:start;gap:7px}.completion-card input,.evidence-checklist input{width:18px;height:18px;margin-top:3px;accent-color:#17715e}.resource-card .concept-sources{display:grid;gap:6px}.concept-sources button,.concept-sources a{min-height:44px;border:1px solid #d5dee5;background:#fff;border-radius:6px;padding:9px;text-align:left;color:#176d78;text-decoration:none;overflow-wrap:anywhere}.recall-card textarea{width:100%;min-height:125px;padding:12px;border:1px solid #bccbd2;border-radius:7px;background:#fff;font:inherit;resize:vertical}.case-prompt{color:var(--muted)}.case-choice{display:grid;grid-template-columns:1fr 1fr;gap:9px}.case-choice button{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:7px;background:#fff;padding:10px;text-align:left}.case-dot{width:9px;height:9px;border-radius:50%;background:#a33c45}.case-dot.good{background:#1f7b61}.case-body{max-height:520px;overflow:auto;background:#f8fafb;margin-top:10px;padding:10px 16px;min-width:0;max-width:100%}.case-meta{display:grid;border-bottom:1px solid #dce3e8;padding:6px 0 10px;font-size:12px}.case-meta span{overflow-wrap:anywhere}.retest>div{display:flex;flex-wrap:wrap;gap:7px}.retest button{border:1px solid #cbd6df;border-radius:6px;background:#fff;padding:7px 12px}.retest button.selected{background:#142135;color:#fff;border-color:#142135}.evidence-card>span{display:block;font-size:11px;color:var(--muted)}.evidence-card>strong{font-size:20px;color:#9a6419}.hints{list-style:none;padding:0!important;counter-reset:hints}.hints li{counter-increment:hints}.hints details{border:1px solid var(--line);border-radius:7px;margin-bottom:7px;background:#fff}.hints summary{min-height:44px;padding:9px 12px;display:flex;align-items:center;cursor:pointer;font-weight:700;color:#176d59}.hints p{padding:0 12px 12px;margin:0}.verification-box{background:#142135;color:#e4edf6;border-radius:8px;padding:16px}.verification-box code{display:block;color:#8ce4cb;margin-bottom:8px;overflow-wrap:anywhere}.verification-box ul{margin-bottom:0}.rubric{display:grid;grid-template-columns:1fr 1fr;gap:9px}.rubric article{border:1px solid var(--line);border-radius:8px;padding:13px;min-width:0}.rubric p{font-size:12px;color:var(--muted)}.rubric select{width:100%;max-width:100%;font-size:12px}.next-tracer{border-left:4px solid #b87921!important;padding:16px!important;background:#fff8e9}.mobile-primary{display:none}.markdown-body{font-size:15px}.markdown-body pre{max-width:100%}.markdown-body table{min-width:600px}
@media(max-width:1023px){.learning-workbench{grid-template-columns:minmax(220px,260px) minmax(0,1fr)}.study-layout{grid-template-columns:1fr}.study-side{position:static;border-left:0;border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr))}.study-side .completion-card{grid-column:1/-1}.explain-grid,.rubric{grid-template-columns:1fr}}
@media(max-width:767px){.learning-workbench{display:block}.learning-workbench>aside{position:static;max-height:none;margin-bottom:10px;padding:9px}.route-group[open] summary{position:sticky;top:0;background:#fff;z-index:2}.all-concepts{display:none}.learning-workbench>article{border-radius:8px}.workbench-context{padding:14px}.context-line{display:grid;grid-template-columns:auto 1fr}.context-line b{display:none}.context-line strong{grid-column:1/-1;font-size:17px}.mode-tabs{position:sticky;top:0;z-index:5}.mode-tabs button{padding:10px 8px;text-align:center}.mode-tabs button span{display:none}.mode-description{padding:9px 14px}.study-main{padding:16px 14px}.study-main h2{font-size:19px}.study-side{grid-template-columns:1fr;padding:14px}.relation-flow{grid-template-columns:1fr}.relation-flow b{transform:rotate(90deg);text-align:center}.case-choice,.rubric{grid-template-columns:1fr}.mobile-primary{display:block;position:sticky;bottom:0;z-index:8;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#ffffffee;border-top:1px solid var(--line);backdrop-filter:blur(8px)}.mobile-primary button{width:100%;border:0;border-radius:7px;background:#176d59;color:#fff;font-weight:750}.workbench-title{margin-top:44px}.case-body{padding:8px}.markdown-body table{min-width:560px}}
@media(prefers-reduced-motion:reduce){.route-group summary:before{transition:none}}

/* Evidence-producing tracer workspace */
.tracer-path{display:flex;align-items:center;gap:7px;margin-top:16px;overflow-x:auto;padding-bottom:4px}.tracer-path button{display:flex;align-items:center;gap:7px;min-width:170px;border:1px solid #bfd1cd;border-radius:7px;background:#fff;padding:8px;text-align:left;font-size:12px;color:var(--ink)}.tracer-path button.active{background:#142135;color:#fff;border-color:#142135}.tracer-path button span{display:grid;place-items:center;flex:0 0 24px;height:24px;border:1px solid currentColor;border-radius:50%}.tracer-path>b{color:#759084}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:12px}.section-heading>div{display:flex;align-items:center;gap:8px}.section-heading>div>span{display:grid;place-items:center;width:26px;height:26px;border-radius:5px;background:#142135;color:#8ce4cb;font-size:11px;font-weight:750}.section-heading h3{margin:0}.section-heading small{max-width:48%;text-align:right;color:var(--muted);font-size:11px}.sequence-grid,.failure-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.sequence-grid label,.failure-grid label{display:grid;gap:6px;padding:13px;border:1px solid var(--line);border-radius:8px;background:#fafcfd;min-width:0}.sequence-grid label>span,.failure-grid label>span{font-size:11px;line-height:1.55;color:var(--muted)}.sequence-grid textarea,.failure-grid textarea{width:100%;min-height:112px;resize:vertical;border:1px solid #c6d1db;border-radius:6px;padding:9px;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink);background:#fff}.failure-grid textarea{font-family:inherit}.test-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.test-grid article{border:1px solid var(--line);border-radius:8px;padding:14px;background:#fff}.test-grid header{height:auto;padding:0 0 9px;border:0;display:flex;justify-content:space-between}.test-grid header span{font-size:11px;color:#9a6419}.test-grid li{font-size:12px}.verify-check,.advanced-evidence label{display:grid;grid-template-columns:22px 1fr;align-items:center;gap:7px;min-height:44px;margin-top:8px;border-top:1px solid var(--line);padding-top:8px;font-size:12px}.verify-check input,.advanced-evidence input{width:18px;height:18px;accent-color:#17715e}.evidence-levels{display:grid;gap:7px}.evidence-levels article{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:10px;align-items:center;border:1px solid var(--line);border-left:4px solid #c8d1da;border-radius:7px;padding:10px}.evidence-levels article>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#e7edf2;font-weight:750}.evidence-levels article p{font-size:12px;color:var(--muted);margin:2px 0}.evidence-levels article>strong{font-size:11px;color:#7b8795}.evidence-levels article.ready{border-left-color:#22816b;background:#f2f9f7}.evidence-levels article.ready>span{background:#d8f1e9;color:#176b58}.evidence-levels article.ready>strong{color:#176b58}.advanced-evidence{margin-top:10px;padding:4px 12px;border:1px dashed #c9d3dc;border-radius:7px}.tracer-progress>span{display:block;font-size:10px;letter-spacing:.12em;color:var(--muted)}.tracer-progress>strong{display:block;font-size:28px;color:#9a6419}.tracer-progress p{margin-bottom:0}
@media(max-width:1023px){.tracer-path button{min-width:155px}.sequence-grid,.failure-grid,.test-grid{grid-template-columns:1fr}}
@media(max-width:767px){.section-heading{display:block}.section-heading small{display:block;max-width:none;text-align:left;margin-top:7px}.tracer-path{display:grid;grid-template-columns:1fr}.tracer-path>b{transform:rotate(90deg);text-align:center}.tracer-path button{min-width:0;width:100%}.sequence-grid textarea,.failure-grid textarea{min-height:130px}.evidence-levels article{grid-template-columns:32px minmax(0,1fr)}.evidence-levels article>strong{grid-column:2}}
.strand-group{padding:4px 4px 10px}.strand-group h4{margin:7px 7px 4px;color:var(--muted);font-size:11px;letter-spacing:.06em}.strand-group button{width:100%;border:0;background:transparent;text-align:left;border-radius:6px;padding:8px;font-size:12px;color:var(--ink)}.strand-group button.active{background:#142135;color:#fff;font-weight:700}.concept-flow{padding:22px}.concept-flow>section{padding:0 0 28px;margin:0 0 28px;border-bottom:1px solid var(--line)}.concept-flow>section:last-child{border-bottom:0}.concept-flow h2{font-size:28px;margin:5px 0 12px}.concept-flow h3{font-size:20px;margin:6px 0 12px}.section-kicker{font-size:11px;letter-spacing:.14em;color:#16705d;font-weight:750}.concept-lead{font-size:18px;line-height:1.85;color:#263a50}.misconceptions{margin-top:12px;padding:14px 16px;border-left:4px solid #d28a42;background:#fff8ed}.concept-diagram{margin:14px 0 0;padding:18px;border-radius:10px;background:#142135;color:#fff;overflow-x:auto}.concept-diagram figcaption{font-size:12px;letter-spacing:.08em;color:#9db0c4;margin-bottom:16px}.diagram-flow{min-width:620px;display:grid;grid-template-columns:1fr auto 1.1fr auto 1fr;align-items:center;gap:12px}.diagram-flow>div{display:grid;gap:7px}.diagram-flow small{color:#9db0c4}.diagram-flow span,.diagram-flow strong{display:block;padding:12px;border:1px solid #496079;border-radius:7px;text-align:center}.diagram-flow strong{background:#7ae3cb;color:#14342e;border-color:#7ae3cb}.decision-tree{min-width:680px;display:grid;gap:12px}.decision-start,.decision-question{justify-self:center;padding:10px 18px;border-radius:7px;background:#263d55}.decision-question{border:1px solid #7ae3cb}.decision-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.decision-row article{display:grid;gap:8px;padding:14px;border:1px solid #496079;border-radius:8px;background:#1b2d42}.decision-row b{color:#8ce4cb}.decision-row small{color:#adbdcc}.criteria-card{margin-top:12px;padding:15px;background:#eef6f3;border-left:4px solid #25816c}.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.link-grid article{display:grid;align-content:start;gap:7px;padding:14px;border:1px solid var(--line);border-radius:8px;min-width:0}.link-grid span,.link-grid button,.link-grid a{font-size:12px;overflow-wrap:anywhere}.link-grid button{border:0;background:transparent;text-align:left;padding:4px 0;color:#176d78}.sequence-grid article{border:1px solid var(--line);border-radius:7px;padding:13px}.sequence-grid article span{display:block;font-size:12px;color:var(--muted);margin-top:6px}
@media(max-width:900px){.link-grid{grid-template-columns:1fr}.concept-flow{padding:18px}}
@media(max-width:767px){.concept-flow{padding:16px 14px}.concept-flow h2{font-size:23px}.concept-lead{font-size:16px}.concept-diagram{padding:14px}.diagram-flow{min-width:560px}.decision-tree{min-width:620px}}
.mermaid-edges{display:grid;gap:9px;min-width:580px}.mermaid-edges article{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:10px;align-items:center}.mermaid-edges span,.mermaid-edges strong{padding:11px;border:1px solid #496079;border-radius:7px;text-align:center}.mermaid-edges strong{background:#7ae3cb;color:#14342e;border-color:#7ae3cb}.mermaid-edges b{color:#9db0c4;text-align:center}.concept-diagram details{margin-top:14px}.concept-diagram summary{cursor:pointer;color:#8ce4cb}.concept-diagram pre{overflow:auto;background:#0e1928;padding:12px;border-radius:6px;color:#d8e5f2}
.relation-concepts{display:grid;grid-template-columns:1fr 1fr;gap:7px}.relation-concepts button{display:flex;justify-content:space-between;gap:8px;border:1px solid var(--line);border-radius:7px;background:#f8fafb;padding:9px;text-align:left;font-size:12px;color:var(--ink)}.relation-concepts button:hover{border-color:#6dbba8;color:#126854}.tracer-prompts{margin:12px 0 24px}.tracer-prompts article,.failure-grid article{border:1px solid var(--line);border-radius:8px;padding:13px;background:#fafcfd}.tracer-prompts span{display:block;font-size:12px;color:var(--muted);margin-top:5px}.failure-grid article p{font-size:12px;color:var(--muted);margin:5px 0}.tracer-workspace>.section-heading{margin-top:26px}
@media(max-width:767px){.relation-concepts{grid-template-columns:1fr}}