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#d7c7ad;border-radius:7px;background:#f8f2e8;font-size:13px;line-height:1.65;color:#64553c;margin:8px 0 30px}.setup-card{padding:30px;border:1px solid var(--atlas-line);border-radius:12px;background:white}.setup-heading{margin-bottom:24px}.setup-heading h2{font-size:26px}.mode-options{border:0;padding:0;margin:0 0 26px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.mode-options>label{display:flex;gap:12px;padding:19px;border:1px solid var(--atlas-line);border-radius:8px;cursor:pointer;align-items:flex-start}.mode-options>label:has(input:checked){background:var(--atlas-tint);border-color:var(--atlas-brand)}.mode-options input{accent-color:var(--atlas-brand);margin:3px 0 0;width:17px;height:17px}.mode-options span{display:flex;flex-direction:column;gap:7px}.mode-options strong{font-size:15px;font-weight:600}.mode-options small{color:var(--atlas-muted);font-size:13px;line-height:1.5}.setup-fields{display:grid;grid-template-columns:1.4fr 1fr auto;gap:18px;align-items:end}.setup-fields label{display:grid;gap:8px;font-size:13px}.setup-fields select{min-height:46px;border:1px solid var(--atlas-line);background:white;border-radius:6px;padding:8px 12px;max-width:100%;width:100%}.setup-fields .button{min-height:46px}.session-note{font-size:12px;color:var(--atlas-muted);margin-top:20px}.library-method{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin:38px 0 65px}.library-method article>span{color:var(--atlas-brand);font-size:12px;display:block;margin-bottom:12px}.library-method h3{font-size:17px;margin-bottom:9px}.library-method p{font-size:14px;color:var(--atlas-muted)}.resume-panel{display:flex;align-items:center;gap:16px;justify-content:space-between;margin-bottom:24px;padding:15px 20px;background:var(--atlas-green-bg);border-radius:8px;font-size:14px}.session-top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:35px 0 18px}.session-top h1{font-size:29px;letter-spacing:-.025em}.session-top .eyebrow{margin-bottom:8px}.session-actions{display:flex;gap:20px;align-items:center;font-size:13px}progress{appearance:none;height:5px;width:100%;display:block;border:0;border-radius:5px;margin-bottom:24px;overflow:hidden;background:var(--atlas-line)}progress::-webkit-progress-bar{background:var(--atlas-line)}progress::-webkit-progress-value{background:var(--atlas-brand)}.exam-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(285px,1fr);gap:22px;align-items:start}.trace-card,.answer-card{background:white;border:1px solid var(--atlas-line);border-radius:10px;overflow:hidden}.trace-card-title{padding:18px 20px;border-bottom:1px solid var(--atlas-line);display:flex;justify-content:space-between;gap:16px;align-items:center}.trace-card-title h2{font-size:20px}.trace-card-title>span{font-size:11px;color:var(--atlas-green)}.viewer-tools{padding:12px 14px;display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}.zoom-buttons{display:flex;border:1px solid var(--atlas-line);border-radius:6px;overflow:hidden;align-items:center}.zoom-buttons>button{border:0;border-right:1px solid var(--atlas-line);background:white;min-width:35px;min-height:36px;font-size:16px}.zoom-buttons>button:last-child{border-right:0;border-left:1px solid var(--atlas-line);font-size:12px;padding:0 9px}.zoom-buttons>output{min-width:62px;text-align:center;font-size:12px}.viewer-tools>.button{font-size:12px;padding:6px 10px;min-height:36px}.trace-viewport{width:100%;height:clamp(285px,48vw,555px);overflow:auto;background:#fcfcfc;border-block:1px solid var(--atlas-line);cursor:grab;overscroll-behavior:contain}.trace-viewport.dragging{cursor:grabbing}.trace-stage{width:100%;min-width:100%;position:relative;line-height:0}.trace-stage>img{display:block;width:100%;height:auto;max-width:none;user-select:none;-webkit-user-drag:none}.trace-highlights{position:absolute;inset:0;pointer-events:none}.trace-highlights>div{position:absolute;border:2px solid #ad7629;background:#f1c9680b;border-radius:3px}.trace-highlights span{position:absolute;top:1px;left:3px;line-height:1.3;background:#fff9ed;padding:2px 4px;color:#68491a;font-size:11px}.trace-instructions{padding:13px 18px;color:var(--atlas-muted);font-size:11px}.trace-instructions p+p{margin-top:5px}.focus-controls{border-top:1px solid var(--atlas-line);padding:13px 18px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.focus-controls>span{font-size:11px;color:var(--atlas-muted)}.focus-controls>.button{font-size:12px}.answer-card{padding:22px}.answer-card fieldset{border:0;margin:0;padding:0}.answer-card legend{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:18px;padding:0}.answer-options{display:grid;gap:11px}.answer-options>label{display:flex;gap:11px;padding:14px 12px;border:1px solid var(--atlas-line);border-radius:7px;align-items:center;cursor:pointer;line-height:1.45;font-size:14px}.answer-options>label:has(input:checked){background:var(--atlas-tint);border-color:var(--atlas-brand)}.answer-options input{accent-color:var(--atlas-brand);flex-shrink:0}.choice-letter{color:var(--atlas-muted);font-size:12px}.answer-options>label.correct-option{background:var(--atlas-green-bg);border-color:var(--atlas-green)}.answer-options>label.incorrect-option{background:#fff3e5;border-color:#ab7329}.answer-card>.button{width:100%;margin-top:20px}.answer-status{font-size:13px;margin-top:13px;line-height:1.5}.answer-status:empty{display:none}.next-button{width:100%;margin-top:14px;background:var(--atlas-ink);color:white;min-height:44px}.feedback-panel{background:white;border:1px solid var(--atlas-line);padding:28px;border-radius:10px;margin:28px 0 50px}.feedback-panel h2{font-size:25px;margin-bottom:22px}.reasoning-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.reasoning-grid h3{font-size:16px;margin-bottom:10px}.reasoning-grid p{font-size:14px}.case-limitation{background:var(--atlas-bg);padding:13px 16px;border-radius:6px;font-size:13px;margin:20px 0}.option-explanations{display:grid;gap:10px;margin-top:24px}.option-explanation{border:1px solid var(--atlas-line);border-radius:6px;padding:14px 16px}.option-explanation summary{font-size:14px;line-height:1.5;cursor:pointer;font-weight:500}.option-explanation.correct{border-color:#b4cebf;background:#f5f9f6}.option-explanation.selected-wrong{border-color:#d5ba91}.option-explanation p{font-size:13px;margin-top:13px;color:var(--atlas-muted)}.option-explanation summary small{display:block;font-size:11px;color:var(--atlas-muted);margin-top:3px}.library-references{margin-top:24px;border-top:1px solid var(--atlas-line);padding-top:20px}.library-references summary{font-size:14px;cursor:pointer}.library-references ul{list-style:none;padding:0;margin:20px 0 0;font-size:12px}.library-references li{line-height:1.7;margin-bottom:15px;padding-left:18px;text-indent:-18px}.library-references a{overflow-wrap:anywhere}.results-hero{display:grid;grid-template-columns:1.6fr 1fr;align-items:center;gap:30px;padding:48px 0 30px}.results-hero h1{font-size:clamp(34px,4vw,49px)}.results-hero p:last-child{margin-top:20px;color:var(--atlas-muted);max-width:550px}.score-circle{border:7px solid #e7d6d9;border-top-color:var(--atlas-brand);border-radius:50%;height:195px;width:195px;display:flex;flex-direction:column;align-items:center;justify-content:center;justify-self:center}.score-circle strong{font-size:43px;font-weight:500}.score-circle span{font-size:11px;margin-top:8px;color:var(--atlas-muted)}.results-list{display:grid;gap:18px;margin:34px 0 60px}.result-case{background:white;border:1px solid var(--atlas-line);border-radius:9px;padding:22px}.result-case>summary{cursor:pointer;font-size:16px;font-weight:500;line-height:1.5}.result-case>summary small{display:block;color:var(--atlas-muted);font-size:12px;font-weight:400;margin:5px 0}.result-case>.button{margin:20px 0}.offline-card{padding:65px 0;max-width:750px}.offline-card>p{margin:22px 0}.offline-card h1{font-size:42px}dialog{padding:20px;border:1px solid var(--atlas-line);border-radius:10px;max-width:96vw;max-height:94vh;width:1400px}dialog::backdrop{background:#211d23b8}.dialog-tools{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:10px}.dialog-tools h2{font-size:19px}dialog>p{font-size:12px;color:var(--atlas-muted);margin-bottom:12px}.dialog-image-scroll{overflow:auto;max-height:75vh;border:1px solid var(--atlas-line)}.dialog-image-scroll img{width:1400px;max-width:none;height:auto;display:block}footer{margin-top:35px}
@media(max-width:1000px){.exam-layout{grid-template-columns:minmax(0,1.35fr) minmax(270px,1fr)}.setup-fields{grid-template-columns:1fr 1fr}.setup-fields>.button{grid-column:1/-1}.answer-card{padding:18px}.answer-card legend{font-size:16px}.library-hero{gap:30px}}
@media(max-width:760px){.exam-layout{grid-template-columns:1fr}.trace-viewport{height:auto;max-height:65vh;min-height:150px}.library-hero{grid-template-columns:1fr;padding:38px 0 25px;gap:26px}.library-numbers{border-left:0;border-top:1px solid var(--atlas-line);padding:20px 0;display:grid;grid-template-columns:auto 1fr;column-gap:20px;align-items:center}.library-numbers>strong{font-size:54px;grid-row:1/3}.library-numbers>span{margin:0}.library-numbers p{font-size:12px;margin:5px 0 0}.library-numbers br{display:none}.library-hero h1{font-size:42px}.setup-card{padding:22px}.mode-options{grid-template-columns:1fr;gap:10px}.mode-options>label{padding:16px}.setup-fields{grid-template-columns:1fr;gap:16px}.library-method{grid-template-columns:1fr;gap:23px;margin:32px 0}.library-method article{padding-top:15px;border-top:1px solid var(--atlas-line)}.library-method article>span{float:left;margin-right:14px}.session-top{align-items:flex-start}.session-actions{flex-direction:column;align-items:flex-end;gap:8px}.session-actions .button{font-size:11px;padding:6px 9px}.session-top h1{font-size:23px}.session-top .eyebrow{font-size:10px}.reasoning-grid{grid-template-columns:1fr;gap:22px}.feedback-panel{padding:21px}.results-hero{grid-template-columns:1fr}.score-circle{height:150px;width:150px;justify-self:start}.score-circle strong{font-size:34px}.resume-panel{align-items:flex-start;flex-direction:column;gap:10px}.source-chip{font-size:11px}.result-case{padding:18px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}