:root{font-family:'DM Sans',sans-serif;color:#183039;background:#f3f6f7;font-synthesis:none;font-size:16px;--ink:#183039;--muted:#63767d;--line:#dce5e7;--green:#147e68;--mint:#b6f5db;--dark:#102b30}*{box-sizing:border-box}body{margin:0}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,select:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #1385af;outline-offset:4px}button{color:inherit}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:Manrope,sans-serif}button{border:0}a{color:var(--green)}.shell{display:grid;grid-template-columns:258px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--dark);color:#eff9f6;padding:34px 21px 24px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;gap:11px;align-items:center;padding:0 12px 36px;font:800 25px Manrope,sans-serif;letter-spacing:-1px}.brand-mark{width:32px;height:32px;display:grid;place-items:center;color:#85efbf}.eyebrow{text-transform:uppercase;font-size:.75rem;letter-spacing:.14em;font-weight:700;color:var(--muted)}.sidebar .eyebrow{color:#83a2a6;padding:0 13px;margin-bottom:16px}.deck-button{width:100%;text-align:left;border-radius:8px;background:transparent;color:#b6c8cb;padding:12px;display:flex;gap:10px;align-items:center;font-size:.9rem;line-height:1.4}.deck-button:hover{background:#1b3b41;color:white}.deck-button.active{background:#264b4d;color:#cffbe7}.deck-icon{opacity:.85;display:flex;flex:none}.deck-count{margin-left:auto;font-size:.8rem;opacity:.75}.deck-group{margin:27px 0 9px;padding:0 12px;font-size:.75rem;font-weight:650;color:#82a4a7;text-transform:uppercase;letter-spacing:.09em}.sidebar-bottom{margin-top:auto;padding:40px 12px 0}.study-note{border-top:1px solid #2f4c51;padding-top:22px;color:#96afb1;font-size:.8rem;line-height:1.65}.study-note strong{display:block;color:#cee1de;font-weight:500;font-size:.875rem;margin-bottom:5px}.main{min-width:0}.topbar{height:90px;background:#fff;border-bottom:1px solid var(--line);padding:0 42px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar-label{color:var(--muted);font-size:.875rem}.topbar-label strong{color:var(--ink);font-weight:550}.segmented{display:flex;gap:4px;border:1px solid var(--line);border-radius:10px;padding:4px;background:#f6f8f8}.segmented button{padding:9px 19px;background:transparent;border-radius:7px;font-size:.9rem;display:flex;align-items:center;gap:8px}.segmented button.active{background:#fff;box-shadow:0 1px 4px #102b3015;color:#147e68;font-weight:650}.top-right{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:.8rem}.avatar{border:1px solid var(--line);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#edf7f2;color:#288366}.workspace{padding:35px 42px 25px;max-width:1410px;margin:auto}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}.page-heading h1{font-weight:750;font-size:2rem;letter-spacing:-1.1px;margin:8px 0}.page-heading p{color:var(--muted);font-size:.94rem;line-height:1.6}.mode-stamp{font-size:.75rem;letter-spacing:.08em;color:#567275;display:flex;align-items:center;gap:7px;padding-bottom:8px;text-transform:uppercase;white-space:nowrap}.study-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:14px;flex-wrap:wrap}.select-wrap{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.875rem}select{background:white;border:1px solid #cfdcdf;border-radius:7px;padding:9px 30px 9px 12px;max-width:100%;color:var(--ink);font-size:.875rem}.session-position{color:var(--muted);font-size:.875rem}.session-position strong{color:var(--ink)}.progress-track{height:3px;background:#dce6e7;border-radius:4px;overflow:hidden;margin-bottom:23px}.progress-fill{height:100%;background:var(--green);transition:width .3s}.learning-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(285px,1fr);border:1px solid #d5e1e3;border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 7px 30px #173d4104;min-height:486px}.visual-side{min-width:0;display:flex;flex-direction:column;background:#fbfdfc;padding:25px 27px 18px;border-right:1px solid var(--line)}.card-label{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#628078;font-size:.75rem;text-transform:uppercase;letter-spacing:.11em;font-weight:600}.mini-badge{padding:5px 8px;color:#618174;background:#edf6f1;border-radius:5px;letter-spacing:.04em;font-size:.7rem}.chart-wrap{display:grid;place-items:center;flex:1;min-height:300px;padding:16px 0}.chart-svg{display:block;width:100%;height:auto;max-height:370px;overflow:visible}.chart-caption{font-size:.75rem;color:#79908b;display:flex;justify-content:space-between;gap:15px;border-top:1px solid #e3ede8;padding-top:14px;line-height:1.5}.card-copy{display:flex;flex-direction:column;justify-content:center;padding:32px}.step-label{color:var(--green);font-size:.75rem;letter-spacing:.11em;text-transform:uppercase;font-weight:700;margin-bottom:15px}.card-copy h2{font-size:1.72rem;font-weight:750;letter-spacing:-.7px;line-height:1.25;margin-bottom:18px}.card-copy .prompt{color:var(--muted);line-height:1.7;font-size:.94rem;max-width:310px}.primary{border-radius:8px;background:var(--dark);color:#fff;padding:13px 20px;font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;justify-content:center;gap:12px;line-height:1.45}.primary:hover{background:#204c4e}.primary.green{background:var(--green)}.primary.green:hover{background:#0e6655}.secondary{border:1px solid #cbdadd;background:#fff;border-radius:8px;padding:12px 18px;font-size:.9rem;font-weight:550;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.45}.secondary:hover{background:#f3f8f6}.reveal{margin-top:30px;align-self:flex-start}.key-hint{font-size:.75rem;color:#8a999c;margin-top:12px}.definition{line-height:1.65;color:#466068;font-size:.9rem}.cue-list{padding:0;margin:18px 0;list-style:none}.cue-list li{display:flex;align-items:flex-start;gap:9px;color:#466068;font-size:.875rem;line-height:1.5;margin:10px 0}.cue-list svg{color:var(--green);flex:none;margin-top:3px}.caveat{border-left:2px solid #c6dfd2;padding-left:12px;font-size:.8rem;color:#607c73;line-height:1.55;margin-top:4px}.caveat strong{display:block;font-weight:600;margin-bottom:4px}.source-ref{margin-top:18px;font-size:.75rem;color:#7c8d91;line-height:1.6}.learning-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px}.navigation{display:flex;gap:8px;align-items:center}.icon-button{border:1px solid #cbdadd;background:white;border-radius:8px;width:43px;height:43px;display:grid;place-items:center}.icon-button:hover{background:#e9f4ef}.rating-actions{display:flex;gap:10px;flex-wrap:wrap}.under-note{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:8px}.lesson-tip{display:flex;gap:12px;border-radius:10px;margin-top:26px;padding:18px 20px;background:#e9efef;color:#547077;font-size:.875rem;line-height:1.55}.lesson-tip svg{flex:none;color:#628578;margin-top:2px}.lesson-tip strong{color:#2d5157;font-weight:600}.footer{display:flex;justify-content:space-between;gap:20px;color:#86979c;font-size:.75rem;margin-top:30px;line-height:1.6}.text-button{padding:0;background:none;color:#627c80;text-decoration:underline;text-underline-offset:3px;font-size:inherit;text-align:left}.name-front{display:flex;flex-direction:column;align-items:center;text-align:center;gap:25px;padding:35px 10px}.name-front .name-big{font:750 2.2rem/1.3 Manrope,sans-serif;letter-spacing:-.8px;max-width:380px}.name-front svg{color:#7eaea0}.quiz-config{display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap;padding:24px;background:white;border:1px solid var(--line);border-radius:12px;margin-bottom:24px}.field{display:grid;gap:9px;font-size:.8rem;color:var(--muted)}.field select{min-width:185px}.quiz-config .primary{margin-left:auto}.quiz-intro{padding:36px;border:1px solid var(--line);border-radius:14px;background:#fff;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}.quiz-intro h2{font-size:1.8rem;letter-spacing:-.6px;line-height:1.3;margin-bottom:15px}.quiz-intro p{font-size:.94rem;line-height:1.7;color:var(--muted)}.format-list{display:grid;gap:18px}.format-row{display:flex;gap:14px;align-items:center}.format-number{width:36px;height:36px;flex:none;background:#eff7f3;color:#427866;border-radius:8px;display:grid;place-items:center;font-size:.8rem;font-weight:600}.format-row strong{font-size:.875rem;font-weight:600}.format-row p{font-size:.8rem;margin-top:3px}.question-panel{padding:28px;background:#fff;border:1px solid var(--line);border-radius:15px}.question-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px;gap:16px}.question-heading h2{font-size:1.55rem;letter-spacing:-.6px;line-height:1.4}.question-hint{font-size:.875rem;color:var(--muted);margin-top:6px}.question-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;align-items:center}.quiz-chart{border:1px solid #e2ebe5;background:#f8fcfa;border-radius:11px;padding:20px;display:grid;place-items:center;min-height:300px}.answers{display:grid;gap:11px}.answer{border:1px solid #d6e1e4;border-radius:9px;display:flex;align-items:center;text-align:left;gap:13px;background:white;padding:17px;line-height:1.5;font-size:.92rem;min-height:67px}.answer:hover:not(:disabled){border-color:#6ca593;background:#f6fbf8}.answer.selected{border-color:#16826b;background:#edf9f3;box-shadow:0 0 0 1px #16826b}.answer:disabled{opacity:1}.answer.correct{border-color:#2b9676;background:#eaf8ef}.answer.incorrect{border-color:#bd726c;background:#fff2ef}.answer-key{border:1px solid #d4e1de;background:#f8faf9;border-radius:5px;flex:none;width:26px;height:26px;display:grid;place-items:center;font-size:.75rem;color:#6b807a}.answer.selected .answer-key{background:var(--green);border-color:var(--green);color:white}.answer.correct .answer-key{background:#24805f;color:white;border-color:transparent}.answer.incorrect .answer-key{background:#b96459;color:white;border-color:transparent}.answer-status{margin-left:auto;flex:none}.visual-answers{display:grid;grid-template-columns:1fr 1fr;gap:15px}.visual-answers .answer{position:relative;flex-direction:column;align-items:stretch;padding:15px}.visual-answers .answer-key{position:absolute;top:12px;left:12px;z-index:1}.visual-answers .answer-status{position:absolute;right:13px;top:15px}.visual-answers .chart-svg{max-height:190px;padding-top:10px}.feedback{margin-top:25px;border-radius:10px;padding:20px;background:#eaf7f0;color:#2b5e48;line-height:1.6;font-size:.9rem}.feedback.incorrect{background:#fff4ed;color:#88553f}.feedback strong{display:block;font-size:1rem;margin-bottom:8px}.feedback .correct-name{font-weight:600}.feedback ul{padding-left:20px;margin:10px 0}.question-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:22px}.multi-question{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}.multi-context{border:1px solid #e1eae5;border-radius:10px;padding:20px;background:#f9fcfa}.multi-context h3{text-align:center;font-size:1.15rem;margin:4px 0 14px}.multi-context .chart-svg{max-height:230px}.score-pill{background:#eaf4ef;color:#537666;border-radius:50px;padding:6px 11px;font-size:.8rem;white-space:nowrap}.results{background:white;border:1px solid var(--line);border-radius:15px;padding:38px}.results-top{display:flex;gap:30px;align-items:center;margin-bottom:25px}.score-circle{width:125px;height:125px;border:8px solid #cef0dc;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;flex:none;color:var(--green)}.score-circle strong{font:750 2.2rem Manrope,sans-serif}.score-circle span{font-size:.75rem}.results h2{font-size:1.8rem;margin-bottom:10px}.results p{color:var(--muted);line-height:1.6}.results-actions{display:flex;gap:12px;flex-wrap:wrap;padding-top:15px}.review-list{display:grid;gap:12px;margin-top:28px}.review-item{padding:17px 20px;border:1px solid var(--line);border-radius:9px}.review-item summary{cursor:pointer;display:flex;align-items:center;gap:10px;line-height:1.5}.review-item summary strong{font-size:.9rem}.review-item summary span{font-size:.8rem;color:var(--muted);margin-left:auto}.review-item p{font-size:.875rem;margin-top:14px}.review-item .chart-svg{max-width:350px;max-height:230px}.dialog-overlay{position:fixed;inset:0;z-index:20;background:#102b306b;display:grid;place-items:center;padding:25px}.dialog{max-width:700px;width:100%;background:#fff;border-radius:15px;padding:30px;max-height:85vh;overflow:auto;box-shadow:0 20px 100px #102b302b}.dialog-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dialog h2{font-size:1.5rem}.dialog p{font-size:.9rem;line-height:1.7;color:var(--muted);margin:15px 0}.source-table{width:100%;border-collapse:collapse;font-size:.875rem;margin:22px 0}.source-table td,.source-table th{padding:12px 8px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.source-table th{font-weight:600;color:#35575a}.mobile-deck{display:none}.loading{padding:80px;text-align:center}.empty{padding:40px;background:white;border:1px solid var(--line);border-radius:12px}.empty h2{margin-bottom:15px}.empty p{color:var(--muted);margin-bottom:25px}.context-legend{font-size:12px;fill:#819c92}.target-marker{stroke:#d59a39;stroke-width:2.5;fill:none}.target-dot{fill:#d59a39}.diagram-label{font-size:13px;fill:#668078}.module-label{font-size:.75rem;color:#8aa499;text-align:center;margin-top:10px}
@media(min-width:1550px){.workspace{padding-top:45px}.learning-layout{min-height:540px}.chart-svg{max-height:420px}.card-copy{padding:42px}.page-heading{margin-bottom:35px}}
@media(max-width:1150px){.shell{grid-template-columns:218px minmax(0,1fr)}.sidebar{padding:28px 14px}.brand{font-size:23px;padding-left:8px}.topbar{padding:0 26px}.workspace{padding:28px 26px}.topbar-label{display:none}.learning-layout{grid-template-columns:minmax(0,1fr) minmax(265px,1fr)}.visual-side{padding:20px}.card-copy{padding:25px}.page-heading h1{font-size:1.8rem}.mode-stamp{display:none}.quiz-config .primary{margin-left:0}.question-grid,.multi-question{gap:20px}.footer{flex-direction:column;gap:8px}}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:none}.topbar{height:76px;padding:0 22px}.top-right{gap:10px}.top-right .device-label{display:none}.workspace{padding:26px 22px}.mobile-deck{display:flex;align-items:center;gap:10px;margin-bottom:25px;font-size:.875rem;color:var(--muted)}.mobile-deck select{flex:1;min-width:0}.learning-layout{min-height:445px}.chart-wrap{min-height:270px}.question-panel{padding:22px}.quiz-intro{gap:25px;padding:28px}.page-heading h1{font-size:1.9rem}}
@media(max-width:720px){.workspace{padding:23px 16px}.topbar{padding:0 16px}.top-right{font-size:.7rem}.avatar{display:none}.segmented button{padding:8px 15px}.page-heading{margin-bottom:22px}.page-heading h1{font-size:1.7rem}.page-heading p{font-size:.875rem}.learning-layout{grid-template-columns:1fr}.visual-side{border-right:0;border-bottom:1px solid var(--line);padding:19px 21px 14px}.chart-wrap{min-height:220px;padding:7px 0}.chart-svg{max-height:260px}.card-copy{padding:26px}.card-copy h2{font-size:1.55rem;margin-bottom:14px}.card-copy .prompt{max-width:none}.reveal{margin-top:20px}.key-hint{display:none}.learning-bottom{align-items:flex-start}.rating-actions{justify-content:flex-end;gap:8px}.rating-actions .secondary,.rating-actions .primary{font-size:.8rem;padding:11px 12px}.under-note{font-size:.75rem}.lesson-tip{font-size:.8rem;margin-top:22px}.quiz-config{padding:20px;gap:17px}.field{flex:1;min-width:145px}.field select{min-width:0;width:100%}.quiz-config .primary{width:100%}.quiz-intro{grid-template-columns:1fr;padding:26px;gap:28px}.quiz-intro h2{font-size:1.5rem}.question-grid,.multi-question{grid-template-columns:1fr}.quiz-chart{min-height:225px;padding:15px}.question-panel{padding:19px}.question-heading h2{font-size:1.3rem}.question-heading{align-items:flex-start}.question-heading .score-pill{display:none}.answer{padding:14px;font-size:.875rem}.question-actions{align-items:flex-end}.question-actions .under-note{max-width:120px}.visual-answers{gap:10px}.visual-answers .answer{padding:10px}.visual-answers .chart-svg{padding-top:27px}.results{padding:25px}.results-top{gap:19px;align-items:flex-start}.score-circle{width:90px;height:90px;border-width:6px}.score-circle strong{font-size:1.6rem}.results h2{font-size:1.4rem}.results p{font-size:.875rem}.review-item{padding:14px}.review-item summary{flex-wrap:wrap}.review-item summary span{margin-left:0}.dialog-overlay{padding:15px}.dialog{padding:23px}.dialog p{font-size:.875rem}.source-table{font-size:.8rem}.name-front .name-big{font-size:1.9rem}.footer{margin-top:25px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}