@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--navy:#123751;--ink:#1b3042;--blue:#145c83;--teal:#177c76;--muted:#687783;--line:#dce4e8;--paper:#f5f7f8;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 'Noto Sans KR',-apple-system,BlinkMacSystemFont,sans-serif}button,input,textarea{font:inherit}a{color:var(--blue);text-decoration:none}button,a,input,textarea,summary{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #3ab6b0;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:36px;line-height:1.35;letter-spacing:-1.5px;margin-bottom:15px}h2{font-size:24px;line-height:1.45;letter-spacing:-.8px}h3{font-size:18px}.topbar{height:84px;padding:0 5%;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:800;font-size:21px;letter-spacing:1.5px;line-height:1.4}.brand small{display:block;font-size:9px;letter-spacing:1.1px;font-weight:600}.brand-mark{display:grid;place-items:center;background:var(--navy);color:white;width:43px;height:47px;font:700 32px Georgia,serif;border-radius:2px 2px 13px 2px}.topbar nav{display:flex;align-items:center;gap:22px;font-size:13px}.topbar nav form{margin:0}.identity{color:var(--muted)}.text-button{background:none;border:0;padding:0;color:var(--blue);font-size:13px}.button{border:1px solid transparent;display:inline-flex;justify-content:center;align-items:center;gap:20px;padding:13px 22px;border-radius:7px;font-size:14px;font-weight:600;line-height:1.6}.primary{background:var(--navy);color:#fff}.primary:hover{background:#205576}.secondary{background:white;border-color:var(--line);color:var(--ink)}.secondary:hover{border-color:var(--blue)}.wide{width:100%}.eyebrow{display:block;font-size:10px;letter-spacing:2px;font-weight:700;color:var(--teal);margin-bottom:16px}.muted{color:var(--muted)}.fine{font-size:12px;color:var(--muted);line-height:1.8}.page{max-width:1200px;margin:0 auto;padding:64px 32px 80px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:38px}.page-heading p{margin:0}.profile-chip{padding:12px 22px;border-left:2px solid #c8d5dd;font-size:13px;color:var(--muted)}.profile-chip strong{color:var(--ink)}footer{max-width:1200px;margin:0 auto;padding:28px 32px;border-top:1px solid var(--line);font-size:10px;letter-spacing:.4px;color:var(--muted);display:flex;justify-content:space-between;gap:16px}.messages{max-width:1136px;margin:20px auto;background:#e5f3ef;padding:10px 24px;border-radius:6px}.messages p{margin:0}.auth-layout{display:grid;grid-template-columns:1fr 1fr;max-width:1180px;margin:60px auto 70px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 15px 60px #183e5210}.auth-intro{background:var(--navy);color:#fff;padding:60px 54px;position:relative;overflow:hidden}.auth-intro:after{content:'';position:absolute;width:380px;height:380px;border:1px solid #ffffff12;border-radius:50%;right:-250px;top:30px;box-shadow:0 0 0 40px #ffffff04,0 0 0 80px #ffffff03}.auth-intro .eyebrow{color:#9ecbc9}.auth-intro h1{font-size:46px;line-height:1.5;margin:36px 0 20px;letter-spacing:-2px}.auth-intro p{color:#c2d3df;font-size:15px;line-height:1.9}.flow-art{margin:50px 0 40px;border-top:1px solid #ffffff30}.flow-art>div{padding:18px 0;border-bottom:1px solid #ffffff20;font-size:17px}.flow-art span{font-size:11px;color:#9fb8ca;margin-right:24px;letter-spacing:1px}.flow-art b{float:right;font-size:20px;color:#8fc6bd}.intro-foot{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.3px;color:#a9bdcc}.auth-form{padding:55px 48px}.auth-form h2{font-size:25px}.auth-form .muted{font-size:13px;margin-bottom:30px}.field{margin-bottom:19px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}input:not([type=radio]):not([type=checkbox]),textarea{width:100%;border:1px solid #cfdae1;border-radius:6px;padding:12px;background:#fff;color:var(--ink)}textarea{resize:vertical;min-height:90px;line-height:1.8}input[type=checkbox],input[type=radio]{accent-color:var(--blue)}.help{font-size:11px;color:var(--muted);margin-top:6px}.help ul{padding-left:18px;margin:0}.errorlist{padding-left:16px;font-size:12px;color:#ac3838}.auth-switch{font-size:13px;text-align:center;margin:24px 0}.auth-switch a{font-weight:700;margin-left:7px}.auth-form>.fine{border-top:1px solid var(--line);padding-top:20px}.exam-card{display:grid;grid-template-columns:290px 1fr;background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:28px}.exam-cover{background:var(--navy);color:#bccfdb;padding:30px;display:flex;flex-direction:column;justify-content:space-between;font-size:10px;letter-spacing:1.3px}.exam-cover .eyebrow{color:#acccc9}.cover-symbol{align-self:center;font-size:140px;line-height:1.1;color:#e2edec;font-weight:400;margin:20px 0}.exam-info{padding:34px 40px}.badge{font-size:11px;font-weight:600;display:inline-block;background:#e8f3ef;color:#2d7768;padding:4px 10px;border-radius:4px;white-space:nowrap}.exam-info h2{margin:14px 0}.exam-meta{display:flex;gap:32px;padding:20px 0;margin-bottom:12px;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}.exam-meta strong{color:var(--ink);font-size:24px;margin-right:4px}.consent{font-size:12px;display:flex;gap:8px;align-items:start;margin:20px 0}.consent input{margin-top:6px;flex-shrink:0}.instructions{padding:30px 0}.instruction-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.instruction-grid p{font-size:13px;color:var(--muted)}.instruction-grid b{display:block;color:var(--ink);margin-bottom:10px}.empty-state{border:1px dashed #b7cbd7;background:white;padding:40px;border-radius:8px}.exam-workspace{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 84px)}.exam-sidebar{background:#fff;border-right:1px solid var(--line);padding:26px 20px;position:sticky;top:0;height:100vh;overflow-y:auto}.exam-sidebar h2{font-size:20px;margin-bottom:20px}.exam-sidebar .eyebrow{font-size:8px;letter-spacing:1px}.timer-box{background:var(--paper);padding:14px 16px;border-radius:6px;display:flex;flex-direction:column}.timer-box span{font-size:11px;color:var(--muted)}.timer-box strong{font-size:30px;font-variant-numeric:tabular-nums;letter-spacing:2px}.urgent{color:#b34232}.progress-label{display:flex;justify-content:space-between;font-size:11px;margin:22px 0 8px}.progress-label b{color:var(--teal)}progress{width:100%;height:5px;accent-color:var(--teal);display:block}#case-nav{margin:20px -8px}#case-nav button{border:0;background:none;color:var(--muted);width:100%;padding:11px 9px;text-align:left;display:flex;gap:9px;align-items:center;font-size:11px;border-radius:5px}#case-nav button b{font-size:10px;font-weight:500}#case-nav button span{flex:1}#case-nav button small{font-size:9px;white-space:nowrap}#case-nav button.active{background:#eaf1f5;color:var(--navy);font-weight:700}#case-nav button:hover{background:#f3f7f9}.save-status{font-size:10px;color:var(--teal);min-height:40px;line-height:1.6;margin-bottom:12px}.save-status.error{color:#b23c32;font-weight:700}.case-workspace{padding:40px;min-width:0;max-width:1550px}.case-heading{margin-bottom:28px}.case-heading h1{font-size:29px}.case-heading p{font-size:14px;color:var(--muted);max-width:900px}.case-columns{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:start}.exhibit-panel{background:white;padding:18px;border:1px solid var(--line);border-radius:10px;position:sticky;top:22px}.panel-label{display:flex;align-items:center;justify-content:space-between;font-size:9px;letter-spacing:1px;color:var(--muted);padding:4px 0 18px}.exhibit-panel img{width:100%;cursor:zoom-in;display:block}.exhibit-panel .fine{margin:12px 0 0;text-align:center}.question{min-width:0;margin:0 0 20px;border:1px solid var(--line);border-radius:9px;background:white;padding:22px}.question legend{font-size:11px;background:white;border:1px solid var(--line);border-radius:4px;padding:3px 9px;color:var(--teal)}.question-stem{font-size:14px;font-weight:600;line-height:1.9;margin:2px 0 20px}.option{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:5px;padding:12px;margin:8px 0;font-size:13px;cursor:pointer}.option:has(input:checked){background:#eaf3f8;border-color:#387b9c;color:var(--navy)}.option input{margin-top:5px;flex-shrink:0}.question textarea{font-size:13px}.case-pagination{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:24px;margin-top:20px}.case-pagination span{font-size:12px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:14px;padding:20px;max-width:95vw;max-height:92vh;box-shadow:0 30px 100px #0004}dialog::backdrop{background:#102e46ad;backdrop-filter:blur(3px)}#image-dialog img{display:block;width:min(1400px,85vw);margin-top:20px}#image-dialog{padding:24px}.dialog-close{position:sticky;top:0;float:right}.submit-content{padding:20px;max-width:480px}.dialog-actions{display:flex;gap:12px;margin-top:28px}.result-page{text-align:center;max-width:760px}.result-icon{width:66px;height:66px;background:#e0efea;color:var(--teal);display:grid;place-items:center;border-radius:50%;font-size:32px;margin:0 auto 28px}.result-card{background:white;border:1px solid var(--line);border-radius:10px;padding:30px;margin:32px 0}.result-card dl{text-align:left;margin:0}.result-card dl>div{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}dt{font-size:13px;color:var(--muted)}dd{margin:0;font-size:13px}.receipt{font-size:10px}.score{padding:24px 0 0}.score strong{font-size:64px;color:var(--teal)}.notice{background:#eaf1f5;border:1px solid #d6e3ec;padding:20px 24px;border-radius:7px;font-size:13px;margin:24px 0;line-height:1.9}.stat-grid{display:grid;grid-template-columns:1fr 1fr 2fr;gap:20px}.stat-grid>div{border:1px solid var(--line);background:white;border-radius:8px;padding:22px 26px}.stat-grid span{display:block;color:var(--muted);font-size:12px}.stat-grid strong{display:block;font-size:36px;margin-top:10px}.stat-grid small{font-size:13px;font-weight:400;margin-left:7px}.stat-grid .stat-text{font-size:19px;margin-top:23px}.table-card{overflow-x:auto;border:1px solid var(--line);background:white;border-radius:8px;margin:26px 0 50px}table{border-collapse:collapse;width:100%;font-size:13px;white-space:nowrap}th{text-align:left;color:var(--muted);font-size:11px;background:#f9fafb}td,th{padding:18px 22px;border-bottom:1px solid var(--line)}td small{display:block;font-size:10px;color:var(--muted)}.empty-cell{padding:50px;text-align:center;color:var(--muted)}.settings-row{display:flex;justify-content:space-between;align-items:center;gap:18px;background:white;border:1px solid var(--line);padding:24px;border-radius:8px}.settings-row p{margin:8px 0 0}.back-link{display:inline-block;margin-bottom:30px;font-size:13px}.review-question{background:white;border:1px solid var(--line);border-radius:8px;padding:28px;margin-bottom:22px}.question-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--teal);margin-bottom:15px}.review-question h3{font-size:15px}.student-answer{padding:20px;background:var(--paper);border-radius:5px;margin:20px 0}.student-answer .eyebrow{margin-bottom:8px}.student-answer p{margin:0;white-space:pre-wrap}.review-question>p{font-size:13px}.rubrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.rubrics>div{border:1px solid var(--line);padding:16px;font-size:12px;border-radius:5px}.rubrics p{margin:10px 0}.rubrics small{color:var(--teal)}.score-input{display:flex;align-items:center;gap:20px;font-size:13px;font-weight:700}.score-input input{max-width:120px}.review-question details{margin-top:20px;font-size:12px}.review-question summary{cursor:pointer;color:var(--blue)}.review-image{width:100%;max-width:1000px}.review-submit{border:1px solid var(--line);padding:24px;background:#fff;border-radius:8px}.review-submit textarea{margin:12px 0}.review-page>h2{margin-top:40px}.review-page>p{font-size:13px}
@media(min-width:1700px){.case-workspace{padding:45px 60px}.case-columns{gap:40px}}
@media(max-width:1150px){.auth-layout{margin:30px}.auth-intro{padding:42px 35px}.auth-form{padding:42px 35px}.exam-workspace{grid-template-columns:210px 1fr}.exam-sidebar{padding:24px 14px}.case-workspace{padding:28px}.case-columns{grid-template-columns:1fr}.exhibit-panel{position:static}.exhibit-panel img{max-height:650px;object-fit:contain}.exam-card{grid-template-columns:230px 1fr}}
@media(max-width:700px){.topbar{height:72px;padding:0 20px}.brand{font-size:16px;gap:9px}.brand small{font-size:7px}.brand-mark{width:34px;height:38px;font-size:25px}.topbar nav{gap:12px;font-size:11px}.identity{display:none}.topbar nav a[href='/admin/']{display:none}.auth-layout{display:block;margin:20px 16px}.auth-intro{padding:28px}.auth-intro h1{font-size:32px;margin:18px 0}.auth-intro p{font-size:13px}.flow-art,.intro-foot{display:none}.auth-form{padding:30px 25px}.auth-form h2{font-size:22px}.page{padding:36px 20px 50px}h1{font-size:28px}.page-heading{align-items:flex-start;flex-direction:column;margin-bottom:28px}.profile-chip{display:none}.exam-card{grid-template-columns:1fr}.exam-cover{padding:20px;flex-direction:row;align-items:center;min-height:90px}.exam-cover .eyebrow{margin:0}.cover-symbol{font-size:55px;margin:0}.exam-cover>span:last-child{display:none}.exam-info{padding:25px}.exam-info h2{font-size:21px}.exam-meta{gap:25px}.instruction-grid{grid-template-columns:1fr;gap:10px}.exam-workspace{display:block}.exam-sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:20px}.exam-sidebar>.eyebrow,.exam-sidebar>h2,.exam-sidebar>.fine{display:none}.timer-box{flex-direction:row;align-items:center;justify-content:space-between;padding:10px 16px}.timer-box strong{font-size:24px}.progress-label{margin-top:12px}#case-nav{display:flex;overflow:auto;margin:14px 0}#case-nav button{min-width:55px;display:flex;flex-direction:column;padding:7px;gap:2px}#case-nav button span{display:none}#case-nav button b{font-size:13px}.save-status{min-height:0;margin:10px 0}.exam-sidebar>.button{padding:10px}.case-workspace{padding:25px 16px}.case-heading h1{font-size:25px}.case-columns{gap:20px}.question{padding:18px}.exhibit-panel{padding:12px}.stat-grid{grid-template-columns:1fr 1fr;gap:12px}.stat-grid>div:last-child{grid-column:1/-1}.stat-grid .stat-text{margin-top:12px}.rubrics{grid-template-columns:1fr}.review-question{padding:20px}.result-card{padding:20px}.result-card dl>div{flex-direction:column;gap:4px}.settings-row{align-items:flex-start;flex-direction:column}footer{padding:24px 20px}footer span{display:none}.dialog-actions{flex-direction:column}}

@media(max-width:700px){#image-dialog img{width:1000px;max-width:none}#image-dialog{width:95vw;overflow:auto}}

.export-actions{display:flex;flex-wrap:wrap;gap:10px}.answer-cell{white-space:pre-wrap;min-width:160px;max-width:420px;overflow-wrap:anywhere}.answer-history summary{cursor:pointer;color:var(--blue)}