:root{--exam-ink:#001a14;--exam-teal:#087a67;--exam-lime:#b7ff3c;--exam-paper:#f4f5ef;--exam-line:#c9d1ca}.exam-list-shell{max-width:1180px;margin:auto;padding:70px 30px}.exam-list-shell h1{font-size:58px;margin:12px 0}.exam-list-shell>section>p:last-child{max-width:760px;line-height:1.7;color:#5d6c67}.available-exams{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:38px}.available-exam{display:grid;gap:11px;padding:25px;border:1px solid var(--exam-ink);background:#fff}.available-exam>span{font:800 12px ui-monospace,monospace;color:var(--exam-teal)}.available-exam h2,.available-exam p{margin:0}.available-exam div{display:flex;gap:18px}.available-exam div b{font:800 20px ui-monospace,monospace}.available-exam small{color:#63716c}.available-exam a{margin-top:10px;padding:12px;background:var(--exam-ink);color:#fff;text-align:center;text-decoration:none;font-weight:800}.no-exams{grid-column:1/-1;padding:40px;background:#fff;border:1px dashed #89978f}.exam-take-head{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:13px 25px;background:var(--exam-ink);color:#fff}.exam-take-head>a{color:#fff;text-decoration:none}.exam-take-head>div{text-align:center}.exam-take-head small,.exam-take-head b{display:block}.exam-take-head small{color:#a8c4ba}.exam-take-head time{justify-self:end;color:var(--exam-lime);font:800 24px ui-monospace,monospace}.exam-paper{max-width:1040px;margin:auto;padding:35px 25px 100px}.exam-summary{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.exam-summary span{padding:7px 10px;background:#e1e8e3;font:700 12px ui-monospace,monospace}.student-question{margin:0 0 24px;padding:26px;background:#fff;border:1px solid var(--exam-line)}.student-question>header{display:flex;justify-content:space-between;gap:14px}.student-question>header span{font:800 12px ui-monospace,monospace;color:var(--exam-teal)}.student-question h2{font-size:23px}.student-question p{line-height:1.7;color:#485a54}.exam-choice{display:flex;gap:10px;padding:12px;margin:8px 0;border:1px solid var(--exam-line);cursor:pointer}.exam-choice:has(input:checked){border-color:var(--exam-teal);box-shadow:inset 4px 0 var(--exam-teal)}.exam-code-info{display:grid;grid-template-columns:1fr 1fr;gap:10px}.exam-code-info div{padding:14px;background:#eaf0ec}.exam-code-info b{display:block;margin-bottom:7px}.public-example{padding:12px;margin:8px 0;border:1px solid var(--exam-line)}.public-example code{display:block;font-weight:800}.notebook-editor{display:grid;grid-template-columns:48px 1fr;margin-top:15px;background:var(--exam-ink)}.notebook-editor pre{margin:0;padding:16px 8px;color:#71948a;background:#0b241e;text-align:right;font:14px/1.65 ui-monospace,monospace}.notebook-editor textarea{min-height:210px;padding:16px;border:0;outline:none;background:var(--exam-ink);color:#f4fff7;font:14px/1.65 ui-monospace,monospace;resize:vertical}.question-result{margin-top:12px;padding:10px;background:#eef2ef}.question-result.correct{border-left:4px solid #5b902d}.question-result.incorrect{border-left:4px solid #a63333}.question-result.pending_judge{border-left:4px solid #c18a1b}#submit-area{display:grid;gap:15px;padding:25px;background:#fff;border:2px solid var(--exam-ink)}#submit-exam{padding:15px;border:0;background:var(--exam-ink);color:#fff;font-weight:800;cursor:pointer}#submit-exam:disabled{opacity:.45}@media(max-width:760px){.available-exams{grid-template-columns:1fr}.exam-take-head{grid-template-columns:auto 1fr auto;gap:10px}.exam-code-info{grid-template-columns:1fr}.student-question{padding:18px}}

.code-actions{display:flex;align-items:center;gap:14px;margin-top:12px}.code-actions button{padding:11px 18px;border:0;background:var(--exam-lime);color:var(--exam-ink);font-weight:900;cursor:pointer}.code-actions button:disabled{opacity:.5}.code-actions small{color:#61706b}.question-result.running{border-left:4px solid var(--exam-teal)}.question-result>strong,.question-result>small{display:block}.question-result ul{display:grid;gap:6px;padding:0;margin:10px 0 0;list-style:none}.question-result li{display:grid;grid-template-columns:minmax(150px,auto) 1fr;gap:12px;padding:8px;background:#fff}.question-result li.passed b{color:#487923}.question-result li.failed b{color:#a63333}.question-result li span{color:#52635d}@media(max-width:760px){.code-actions,.question-result li{display:grid}}
.ai-workflow{display:grid;gap:16px;margin-top:20px;padding:18px;border:2px solid var(--exam-ink);background:#f4f7f3}.ai-workflow-head{display:flex;justify-content:space-between;gap:16px;padding-bottom:13px;border-bottom:1px solid var(--exam-line)}.ai-workflow-head b{font-size:18px}.ai-workflow-head span{color:#5b6b65}.ai-stage{display:grid;gap:8px}.ai-stage header{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.ai-stage header small{color:#64736e}.ai-prompt{min-height:110px;padding:14px;border:1px solid var(--exam-line);background:#fff;font:15px/1.65 system-ui,sans-serif;resize:vertical}.ai-challenge{padding:16px;border-left:5px solid var(--exam-lime);background:#0e2a23;color:#fff}.ai-challenge p{margin-bottom:0;color:#dcebe5}.ai-result-slot:empty{display:none}@media(max-width:760px){.ai-workflow-head,.ai-stage header{display:grid}.ai-workflow{padding:12px}}