:root{font-family:Noto Sans SC,Microsoft YaHei,PingFang SC,system-ui,sans-serif;color:#182334;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;--navy-950: #0b1f38;--navy-900: #102b4e;--navy-800: #183153;--navy-700: #23466f;--navy-100: #eaf0f7;--navy-50: #f5f8fc;--teal-700: #0d6f67;--teal-600: #147d73;--teal-100: #d9f0ec;--teal-50: #eff9f7;--amber-600: #c77812;--amber-100: #ffebc8;--red-700: #b42318;--red-600: #d92d20;--red-100: #fee4e2;--red-50: #fff5f4;--gray-900: #182334;--gray-700: #445268;--gray-600: #5f6f85;--gray-500: #7a879a;--gray-300: #cbd4df;--gray-200: #dce3eb;--gray-100: #edf1f5;--gray-50: #f7f9fb;--white: #ffffff;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-focus: 0 0 0 4px rgba(24, 49, 83, .12)}*{box-sizing:border-box}html{min-width:320px;background:var(--white)}body{margin:0;min-width:320px;min-height:100vh}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,.button{min-height:44px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:none;box-shadow:var(--shadow-focus)}button:disabled,.button:disabled{cursor:not-allowed;opacity:.48}svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.button{border:1px solid transparent;border-radius:var(--radius-sm);padding:0 20px;display:inline-flex;align-items:center;justify-content:center;gap:9px;color:var(--gray-900);background:var(--white);font-weight:650;text-decoration:none;cursor:pointer;transition:color .16s ease,background .16s ease,border-color .16s ease,transform .16s ease}.button:hover:not(:disabled){transform:translateY(-1px)}.button svg{width:19px;height:19px}.button-primary{color:var(--white);background:var(--navy-800);border-color:var(--navy-800)}.button-primary:hover:not(:disabled){background:var(--navy-900);border-color:var(--navy-900)}.button-secondary{color:var(--navy-800);background:var(--white);border-color:var(--gray-300)}.button-secondary:hover:not(:disabled){border-color:var(--navy-800);background:var(--navy-50)}.button-ghost{color:var(--gray-600);border-color:transparent;background:transparent}.button-danger{color:var(--white);background:var(--red-600);border-color:var(--red-600)}.button-danger-outline{color:var(--red-700);background:var(--white);border-color:#f1a8a2}.button-danger-outline:hover:not(:disabled){background:var(--red-50);border-color:var(--red-600)}.button-block{width:100%}.eyebrow{margin:0 0 8px;color:var(--teal-700);font-size:12px;font-weight:750;letter-spacing:.12em;text-transform:uppercase}.spinner{display:inline-block;width:24px;height:24px;border:2px solid var(--gray-200);border-top-color:var(--navy-800);border-radius:50%;animation:spin .75s linear infinite}.spinner-small{width:16px;height:16px;border-color:currentColor;border-right-color:transparent}.button-primary .spinner-small{border-color:#ffffff80;border-right-color:var(--white)}@keyframes spin{to{transform:rotate(360deg)}}.app-loading{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:14px;color:var(--gray-600)}.auth-layout{min-height:100vh;display:grid;grid-template-columns:minmax(360px,40%) minmax(520px,60%);background:var(--white)}.auth-brand{padding:clamp(40px,6vw,88px);display:flex;flex-direction:column;border-right:1px solid var(--gray-200)}.brand-lockup{display:flex;align-items:center;gap:14px;color:var(--navy-800);font-size:20px;font-weight:750}.brand-mark{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;color:var(--white);background:var(--navy-800)}.brand-mark svg{width:25px;height:25px}.auth-intro{margin:auto 0;max-width:520px}.auth-intro h1{margin:0;color:var(--navy-800);font-size:clamp(38px,4.2vw,56px);line-height:1.18;letter-spacing:-.04em}.admin-auth-layout .auth-intro h1{font-size:clamp(42px,5vw,68px)}.auth-intro>p:last-child{margin:24px 0 0;color:var(--gray-600);font-size:17px;line-height:1.8}.auth-assurance{display:flex;align-items:center;gap:10px;color:var(--gray-600);font-size:13px}.auth-assurance svg{width:20px;height:20px;color:var(--teal-600)}.auth-form-area{padding:clamp(32px,7vw,112px);display:flex;align-items:center;background:var(--gray-50)}.auth-form{width:min(100%,560px);margin:0 auto;padding:clamp(28px,4vw,52px);border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white)}.form-heading{margin-bottom:30px}.form-heading h2{margin:0;color:var(--navy-800);font-size:30px;letter-spacing:-.02em}.form-heading>p:last-child{margin:10px 0 0;color:var(--gray-600)}.field{display:grid;gap:9px;margin-bottom:18px;color:var(--gray-900);font-size:14px;font-weight:650}.input-wrap{position:relative;display:block}.input-wrap svg{position:absolute;left:15px;top:50%;width:20px;height:20px;color:var(--gray-500);transform:translateY(-50%);pointer-events:none}.input-wrap input{width:100%;height:50px;padding:0 15px 0 46px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);color:var(--gray-900);background:var(--white);transition:border-color .16s ease,box-shadow .16s ease}.input-wrap input::placeholder,.search-field input::placeholder{color:var(--gray-500)}.input-wrap input:focus{border-color:var(--navy-700)}.feedback{margin:16px 0 0;padding:11px 13px;border-radius:var(--radius-sm);display:flex;align-items:flex-start;gap:9px;font-size:14px;line-height:1.5}.feedback svg{width:18px;min-width:18px;height:18px;margin-top:1px}.feedback-error{color:var(--red-700);background:var(--red-50);border:1px solid var(--red-100)}.feedback-success{color:var(--teal-700);background:var(--teal-50);border:1px solid var(--teal-100)}.identity-panel{margin-top:22px;padding:20px;border:1px solid #9ed5cd;border-radius:var(--radius-md);background:var(--teal-50)}.identity-title{display:flex;gap:12px;align-items:center;color:var(--teal-700)}.identity-title>svg{width:30px;height:30px;padding:5px;border-radius:50%;color:var(--white);background:var(--teal-600)}.identity-title div{display:grid;gap:3px}.identity-title span{color:var(--gray-600);font-size:13px}.identity-panel dl{margin:18px 0}.identity-panel dl div{padding:10px 0;display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(13,111,103,.13)}.identity-panel dt{color:var(--gray-600)}.identity-panel dd{margin:0;font-weight:650;text-align:right;overflow-wrap:anywhere}.text-link{border:0;padding:0;display:inline-flex;align-items:center;gap:8px;color:var(--navy-700);background:transparent;font-weight:650;cursor:pointer}.text-link svg{width:18px;height:18px}.auth-admin-link{margin:26px auto 0}.auth-admin-link svg:last-child{width:15px}.back-login{margin-top:28px}.app-header{height:72px;padding:0 28px;display:flex;align-items:center;gap:26px;color:var(--white);background:var(--navy-900);border-bottom:1px solid rgba(255,255,255,.12)}.header-brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:750;white-space:nowrap}.brand-mark-small{width:34px;height:34px;background:#ffffff1f}.brand-mark-small svg{width:20px;height:20px}.header-page{height:72px;display:flex;align-items:center;padding:0 24px;border-left:1px solid rgba(255,255,255,.16);font-weight:650}.header-spacer{flex:1}.header-action{height:40px;min-height:40px;padding:0 13px;display:inline-flex;align-items:center;gap:8px;color:var(--white);border:1px solid rgba(255,255,255,.46);border-radius:7px;background:transparent;cursor:pointer;white-space:nowrap}.header-action:hover{background:#ffffff14}.header-action svg{width:18px;height:18px}.candidate-chip{display:flex;align-items:center;gap:10px;color:var(--gray-200);font-size:14px;white-space:nowrap}.candidate-chip span:first-child{color:var(--white);font-weight:650}.candidate-id:before,.candidate-chip-dark span+span:before{content:"·";margin-right:10px;color:var(--gray-500)}.exam-shell{min-height:100vh;display:grid;grid-template:"header header header" 72px "nav question progress" minmax(calc(100vh - 72px),auto) / 264px minmax(520px,1fr) 264px;background:var(--white)}.exam-header{grid-area:header}.exam-header .header-brand{margin-right:auto}.timer{min-width:196px;height:48px;padding:0 14px;display:flex;align-items:center;gap:9px;color:var(--white);border-radius:var(--radius-sm);background:var(--navy-800)}.timer svg{width:20px;height:20px}.timer span{color:var(--gray-200);font-size:13px}.timer strong{margin-left:auto;font-size:18px;letter-spacing:.04em}.timer.urgent{background:#7a271a}.exam-nav{grid-area:nav;min-width:0;padding:26px 22px;border-right:1px solid var(--gray-200);background:var(--white)}.panel-title-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.panel-title-row h2{margin:0;color:var(--navy-800);font-size:21px}.mobile-progress{display:none}.nav-group{margin-top:26px}.nav-group-title{margin-bottom:10px;display:flex;align-items:center;justify-content:space-between}.nav-group-title h3{margin:0;color:var(--gray-900);font-size:14px}.nav-group-title span{color:var(--gray-600);font-size:12px}.question-numbers{display:grid;grid-template-columns:repeat(5,minmax(34px,1fr));gap:8px}.question-numbers button{position:relative;min-height:38px;padding:0;border:1px solid var(--gray-200);border-radius:6px;color:var(--gray-700);background:var(--gray-50);cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.question-numbers button:hover{border-color:var(--navy-700)}.question-numbers button.answered{color:var(--white);border-color:var(--navy-800);background:var(--navy-800)}.question-numbers button.current{color:var(--navy-800);border:2px solid var(--navy-800);background:var(--white);font-weight:750}.question-numbers button.answered.current{color:var(--navy-800);background:var(--navy-100)}.question-numbers button.marked:after{content:"";position:absolute;top:3px;right:3px;width:6px;height:6px;border:1px solid var(--white);border-radius:50%;background:var(--amber-600)}.nav-legend{margin-top:28px;padding-top:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px 8px;border-top:1px solid var(--gray-200);color:var(--gray-600);font-size:12px}.nav-legend span{display:flex;align-items:center;gap:7px}.nav-legend i{width:14px;height:14px;border-radius:4px;border:1px solid var(--gray-200);background:var(--gray-50)}.nav-legend .legend-answered{border-color:var(--navy-800);background:var(--navy-800)}.nav-legend .legend-current{border:2px solid var(--navy-800);background:var(--white)}.nav-legend .legend-marked{border-color:var(--amber-600);background:var(--amber-100)}.question-area{grid-area:question;min-width:0;padding:30px clamp(28px,4vw,64px);display:flex;flex-direction:column}.question-meta{padding-bottom:18px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--gray-200);color:var(--gray-600);font-size:14px}.question-meta>div{display:flex;align-items:center;gap:10px}.question-type{color:var(--navy-800);font-weight:750}.question-type:after{content:"·";margin-left:10px;color:var(--gray-300)}.question-status{min-height:34px}.saved,.saving{display:inline-flex;align-items:center;gap:5px;color:var(--teal-700);font-size:12px}.saved svg{width:16px;height:16px}.mark-action{min-height:34px;padding:0 8px;display:inline-flex;align-items:center;gap:7px;border:0;border-radius:6px;color:var(--navy-700);background:transparent;cursor:pointer}.mark-action:hover,.mark-action.active{color:#9a5b08;background:#fff8eb}.mark-action svg{width:18px;height:18px}.mark-action.active svg{fill:var(--amber-100)}.question-content{max-width:900px;width:100%;margin:34px auto 28px}.question-content h1{margin:0 0 30px;color:var(--gray-900);font-size:clamp(20px,2vw,26px);line-height:1.65;font-weight:650}.question-hint{margin:-8px 0 12px;color:var(--gray-600);font-size:13px}.options{display:grid;gap:14px}.answer-option{width:100%;min-height:66px;padding:14px 18px;display:grid;grid-template-columns:24px 24px 1fr;align-items:center;gap:13px;color:var(--gray-900);border:1px solid var(--gray-300);border-radius:var(--radius-sm);background:var(--white);text-align:left;cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .15s ease}.answer-option:hover{border-color:var(--navy-700);background:var(--navy-50)}.answer-option.selected{border:2px solid var(--navy-800);background:var(--navy-50);transform:translateY(-1px)}.answer-option>strong{font-size:16px;font-weight:650}.answer-option>span:last-child{line-height:1.65}.option-control{width:22px;height:22px;display:grid;place-items:center;border:1.5px solid var(--gray-500);border-radius:50%;color:var(--white)}.option-control.checkbox{border-radius:5px}.selected .option-control{border-color:var(--navy-800);background:var(--navy-800)}.option-control svg{width:15px;height:15px;stroke-width:2.5}.question-footer{margin-top:auto;padding-top:24px;display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--gray-200)}.question-footer .button-primary{margin-left:auto;min-width:132px}.question-footer .button-secondary{min-width:120px}.exam-progress{grid-area:progress;min-width:0;padding:26px 22px;display:flex;flex-direction:column;border-left:1px solid var(--gray-200);background:var(--white)}.exam-progress .panel-title-row>strong{color:var(--teal-700);font-size:24px}.progress-track{height:9px;margin-top:30px;overflow:hidden;border-radius:9px;background:var(--gray-100)}.progress-track i{display:block;height:100%;border-radius:inherit;background:var(--teal-600);transition:width .24s ease}.progress-total{margin:12px 0 0;color:var(--gray-600);font-size:13px}.progress-total strong{color:var(--gray-900)}.section-progress{margin:28px 0;border-top:1px solid var(--gray-200)}.section-progress div{padding:15px 0;display:flex;justify-content:space-between;border-bottom:1px solid var(--gray-200)}.section-progress dt{color:var(--gray-700)}.section-progress dd{margin:0;color:var(--gray-900);font-weight:650}.exam-reminder{padding:14px;display:flex;gap:10px;color:var(--gray-600);border-radius:var(--radius-sm);background:var(--gray-50)}.exam-reminder svg{width:19px;min-width:19px;height:19px;color:var(--navy-700)}.exam-reminder p{margin:0;font-size:13px;line-height:1.7}.submit-button{margin-top:auto}.exam-error{position:fixed;right:24px;bottom:24px;z-index:10;max-width:420px;background:var(--white);box-shadow:0 12px 35px #18233429}.result-shell{min-height:100vh;background:var(--white)}.result-main{width:min(1160px,calc(100% - 48px));margin:36px auto 72px}.result-summary{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:38px;border:1px solid var(--gray-200);border-radius:var(--radius-md);overflow:hidden}.score-copy,.result-status,.retake-button{margin:28px 0}.score-copy{padding-left:38px}.score-line{display:flex;align-items:baseline;gap:9px}.score-line strong{color:var(--teal-600);font-size:clamp(54px,6vw,78px);line-height:1;letter-spacing:-.05em}.score-line span{color:var(--gray-700);font-size:17px}.result-status{display:grid;justify-items:start;gap:10px}.result-status p{margin:0;color:var(--gray-700)}.retake-button{min-width:148px;margin-right:38px}.section-scores{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--gray-200);background:var(--gray-50)}.section-scores div{min-height:104px;display:grid;place-content:center;justify-items:center;gap:9px}.section-scores div+div{border-left:1px solid var(--gray-200)}.section-scores span{color:var(--gray-600);font-size:14px}.section-scores strong{color:var(--gray-900);font-size:22px}.review-section{margin-top:40px}.section-heading{padding-bottom:18px;display:flex;align-items:end;justify-content:space-between;gap:20px;border-bottom:1px solid var(--gray-200)}.section-heading h1{margin:0;color:var(--gray-900);font-size:28px}.section-heading>div>p:last-child{margin:8px 0 0;color:var(--gray-600)}.review-count{padding:6px 10px;border-radius:20px;color:var(--gray-700);background:var(--gray-100);font-size:13px}.wrong-item{padding:28px 0 32px;border-bottom:1px solid var(--gray-200)}.wrong-meta{display:flex;gap:10px;color:var(--gray-600);font-size:13px}.wrong-meta span:first-child{color:var(--navy-700);font-weight:750}.wrong-meta span+span:before{content:"·";margin-right:10px;color:var(--gray-300)}.wrong-item h2{margin:12px 0 20px;color:var(--gray-900);font-size:19px;line-height:1.7}.review-options{display:grid;gap:8px}.review-option{min-height:44px;padding:9px 12px;display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:10px;border:1px solid var(--gray-200);border-radius:6px;color:var(--gray-700)}.review-option>strong{padding-right:10px;border-right:1px solid var(--gray-200)}.review-option em{font-style:normal;font-size:13px;font-weight:650}.review-option.correct{color:var(--teal-700);border-color:#68bcb0;background:var(--teal-50)}.review-option.incorrect{color:var(--red-700);border-color:#f29b94;background:var(--red-50)}.analysis-box{margin-top:12px;padding:14px 16px;border-radius:6px;background:var(--gray-50)}.analysis-box strong{color:var(--teal-700);font-size:14px}.analysis-box p{margin:6px 0 0;color:var(--gray-700);line-height:1.7}.unanswered-note{margin-top:10px;color:var(--red-700);font-size:13px}.empty-state{padding:64px 20px;display:grid;justify-items:center;text-align:center}.empty-state svg{width:54px;height:54px;color:var(--teal-600)}.empty-state h2{margin:18px 0 8px}.empty-state p{margin:0;color:var(--gray-600)}.admin-shell{min-height:100vh;background:var(--gray-50)}.admin-identity{display:flex;align-items:center;gap:8px;font-size:14px}.admin-identity svg{width:18px;height:18px}.admin-main{width:min(1240px,calc(100% - 48px));margin:34px auto 64px}.admin-page-heading{display:flex;align-items:end;justify-content:space-between;gap:24px}.admin-page-heading h1{margin:0;color:var(--gray-900);font-size:30px}.admin-page-heading>div>p:last-child{margin:9px 0 0;color:var(--gray-600)}.spinning{animation:spin .75s linear infinite}.metrics-strip{margin-top:26px;display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--gray-200);border-radius:var(--radius-md);background:var(--white)}.metrics-strip div{min-height:116px;display:grid;place-content:center;justify-items:center;gap:8px}.metrics-strip div+div{border-left:1px solid var(--gray-200)}.metrics-strip span{color:var(--gray-600);font-size:14px}.metrics-strip strong{color:var(--navy-800);font-size:30px;letter-spacing:-.03em}.metrics-strip strong.teal{color:var(--teal-700)}.admin-tools{margin-top:22px;display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:22px}.admin-panel,.records-panel{border:1px solid var(--gray-200);border-radius:var(--radius-md);background:var(--white)}.panel-heading{padding:20px 22px;border-bottom:1px solid var(--gray-200)}.panel-heading h2,.records-heading h2{margin:0;color:var(--gray-900);font-size:19px}.panel-heading p,.records-heading p{margin:7px 0 0;color:var(--gray-600);font-size:13px}.import-row{min-height:96px;margin:0 22px;display:grid;grid-template-columns:minmax(180px,1fr) minmax(150px,.8fr) auto auto;align-items:center;gap:10px}.import-row+.import-row{border-top:1px solid var(--gray-200)}.import-row h3{margin:0;font-size:15px}.import-row p{margin:6px 0 0;color:var(--gray-600);font-size:12px}.file-name{min-width:0;overflow:hidden;color:var(--gray-700);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.file-name.empty{color:var(--gray-500)}.file-button{position:relative;overflow:hidden}.file-button input{position:absolute;width:1px;height:1px;opacity:0}.export-panel{display:flex;flex-direction:column}.export-visual{min-height:92px;display:grid;place-items:center}.export-visual svg{width:46px;height:46px;color:var(--navy-700)}.export-panel>.button{width:calc(100% - 44px);margin:auto 22px 22px}.records-panel{margin-top:22px;overflow:hidden}.records-heading{padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.table-filters{display:flex;gap:10px}.search-field{position:relative}.search-field svg{position:absolute;left:12px;top:50%;width:18px;height:18px;color:var(--gray-500);transform:translateY(-50%)}.search-field input,.table-filters select{height:42px;border:1px solid var(--gray-300);border-radius:7px;color:var(--gray-900);background:var(--white)}.search-field input{width:250px;padding:0 12px 0 39px}.table-filters select{min-width:130px;padding:0 34px 0 12px}.table-wrap{overflow-x:auto;border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200)}table{width:100%;min-width:970px;border-collapse:collapse}th,td{height:52px;padding:0 16px;border-bottom:1px solid var(--gray-200);text-align:left;white-space:nowrap}th{height:44px;color:var(--gray-600);background:var(--gray-50);font-size:12px;font-weight:650}td{color:var(--gray-700);font-size:13px}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfcfe}.student-name,.score-cell{color:var(--gray-900);font-weight:650}.mono{font-variant-numeric:tabular-nums}.status-badge{padding:4px 9px;display:inline-flex;align-items:center;border-radius:20px;font-size:12px;font-weight:650}.status-success,.status-submitted{color:var(--teal-700);background:var(--teal-100)}.status-active{color:#92540b;background:var(--amber-100)}.table-empty{padding:34px;color:var(--gray-600);text-align:center}.table-footer{min-height:62px;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--gray-600);font-size:13px}.pagination{display:flex;align-items:center;gap:12px}.pagination button{min-height:36px;padding:0 10px;display:inline-flex;align-items:center;gap:5px;color:var(--navy-700);border:1px solid var(--gray-300);border-radius:6px;background:var(--white);cursor:pointer}.pagination button:disabled{cursor:not-allowed;opacity:.42}.pagination svg{width:15px;height:15px}.dialog-backdrop{position:fixed;inset:0;z-index:100;padding:20px;display:grid;place-items:center;background:#0b1f387a}.confirm-dialog{width:min(100%,440px);padding:28px;border-radius:var(--radius-md);background:var(--white);box-shadow:0 22px 70px #0b1f3840}.dialog-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;color:var(--navy-700);background:var(--navy-100)}.dialog-icon.danger{color:var(--red-700);background:var(--red-100)}.dialog-icon svg{width:22px;height:22px}.confirm-dialog h2{margin:18px 0 8px;color:var(--gray-900);font-size:21px}.confirm-dialog>p{margin:0;color:var(--gray-600);line-height:1.7}.dialog-actions{margin-top:26px;display:flex;justify-content:flex-end;gap:10px}@media(max-width:1120px){.exam-shell{grid-template:"header header" auto "nav question" minmax(calc(100vh - 72px),auto) / 238px minmax(0,1fr)}.exam-header{min-height:72px;height:auto}.exam-progress,.candidate-id{display:none}.mobile-progress{display:inline;color:var(--teal-700);font-weight:750}.admin-tools{grid-template-columns:1fr}.export-panel{display:grid;grid-template-columns:1fr auto;align-items:center}.export-panel .panel-heading{border-bottom:0}.export-visual{display:none}.export-panel>.button{width:auto;min-width:180px;margin:0 22px 0 0}}@media(max-width:840px){.auth-layout{grid-template-columns:1fr}.auth-brand{min-height:300px;padding:32px 24px;border-right:0;border-bottom:1px solid var(--gray-200)}.auth-intro{margin:58px 0 36px}.auth-intro h1,.admin-auth-layout .auth-intro h1{font-size:38px}.auth-form-area{padding:28px 20px 48px}.auth-form{max-width:560px;padding:28px 22px}.app-header{padding:0 16px;gap:12px}.header-page,.candidate-chip-dark,.admin-identity{display:none}.exam-shell{display:block}.exam-header{position:sticky;top:0;z-index:20;min-height:64px;padding:10px 14px;flex-wrap:wrap}.exam-header .header-brand{font-size:16px}.exam-header .brand-mark{display:none}.exam-header .candidate-chip{order:4;width:100%;color:var(--gray-300)}.timer{min-width:auto;height:40px;margin-left:auto;padding:0 10px}.timer span{display:none}.timer strong{font-size:15px}.exam-header .header-action{width:40px;padding:0;justify-content:center;font-size:0}.exam-nav{padding:18px 16px;overflow-x:hidden;border-right:0;border-bottom:1px solid var(--gray-200)}.exam-nav .panel-title-row .eyebrow,.nav-legend{display:none}.exam-nav .panel-title-row h2{font-size:18px}.nav-group{margin-top:14px}.question-numbers{display:flex;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}.question-numbers button{min-width:40px;width:40px;height:40px}.question-area{min-height:620px;padding:22px 16px 28px}.question-meta{align-items:flex-start}.question-status>.saved,.question-status>.saving{display:none}.question-content{margin-top:26px}.question-content h1{font-size:20px}.answer-option{grid-template-columns:22px 20px 1fr;padding:12px 14px}.clear-answer{order:3;width:100%}.question-footer{flex-wrap:wrap}.question-footer .button-secondary,.question-footer .button-primary{flex:1;min-width:0}.result-main,.admin-main{width:min(100% - 28px,1160px);margin-top:22px}.result-summary{grid-template-columns:1fr auto;gap:16px}.score-copy{padding-left:22px}.result-status{padding-right:22px}.retake-button{grid-column:1 / -1;width:calc(100% - 44px);margin:0 22px 22px}.section-heading{align-items:start}.review-option{grid-template-columns:24px 1fr}.review-option em{grid-column:2}.admin-page-heading{align-items:start}.metrics-strip{grid-template-columns:repeat(2,1fr)}.metrics-strip div{min-height:98px;border-bottom:1px solid var(--gray-200)}.metrics-strip div+div{border-left:0}.metrics-strip div:nth-child(2n){border-left:1px solid var(--gray-200)}.metrics-strip div:last-child{grid-column:1 / -1;border-bottom:0}.import-row{padding:18px 0;grid-template-columns:1fr auto}.file-name{grid-column:1 / -1;grid-row:2}.file-button{grid-column:1}.import-row>button{grid-column:2}.records-heading{align-items:flex-start;flex-direction:column}.table-filters{width:100%}.search-field{flex:1}.search-field input{width:100%}}@media(max-width:520px){.auth-brand{min-height:260px}.auth-intro{margin:42px 0 28px}.auth-intro h1,.admin-auth-layout .auth-intro h1{font-size:32px}.brand-lockup{font-size:17px}.brand-mark{width:38px;height:38px}.form-heading h2{font-size:25px}.identity-panel dl div{display:grid;gap:4px}.identity-panel dd{text-align:left}.result-header .header-brand,.admin-header .header-brand{font-size:16px}.result-summary{grid-template-columns:1fr}.score-copy,.result-status{margin:0;padding:22px 22px 0}.score-copy{padding-top:26px}.result-status{padding-bottom:0}.section-scores{grid-template-columns:1fr}.section-scores div{min-height:76px;display:flex;justify-content:space-between;padding:0 22px}.section-scores div+div{border-left:0;border-top:1px solid var(--gray-200)}.section-heading{display:block}.review-count{display:inline-block;margin-top:14px}.wrong-item h2{font-size:17px}.admin-page-heading{display:grid}.admin-page-heading .button{width:100%}.metrics-strip strong{font-size:26px}.export-panel{display:block}.export-panel .panel-heading{border-bottom:1px solid var(--gray-200)}.export-panel>.button{width:calc(100% - 44px);margin:22px}.import-row{grid-template-columns:1fr}.file-button,.import-row>button{grid-column:1;width:100%}.table-filters{flex-direction:column}.table-filters select{width:100%}.table-footer{align-items:flex-start;flex-direction:column}.pagination{width:100%;justify-content:space-between}}