:root{--brand: #6354c7;--brand-hover: #5142b5;--brand-subtle: #f1effe;--page: #f8f9fc;--surface: #ffffff;--sidebar: #f7f7fa;--text: #252839;--text-secondary: #73798a;--border: #e8e9f0;--brand-border: #ddd8fa;--success: #16a36a;--warning: #e6a23c;--error: #dc4c64;--success-text: #11794f;--success-subtle: #ecf8f2;--warning-text: #946115;--warning-subtle: #fff6e7;--error-subtle: #fdeff2;--chart-secondary: #a69bdf;--chart-neutral: #a7adbd;--overlay: #25283966;--shadow-color: #25283918;--radius-card: 12px;--radius-control: 8px}:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text);background:var(--page);font-synthesis:none;font-size:14px;font-weight:400}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--surface);color:var(--text);border:1px solid var(--border);padding:10px 14px;border-radius:7px;cursor:pointer;white-space:nowrap}button:hover{background:var(--brand-subtle)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--brand);color:var(--surface);border-color:var(--brand);font-weight:500}button.primary:hover{background:var(--brand-hover)}input,select,textarea{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:10px 12px;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-subtle)}input[type=checkbox],input[type=radio]{width:16px;height:16px;accent-color:var(--brand);flex-shrink:0}h1,h2,h3,p{margin-top:0}h1{font-size:28px;letter-spacing:-.8px;line-height:1.4;font-weight:650;margin-bottom:8px}h2{font-size:17px;font-weight:600;line-height:1.6;margin-bottom:10px}h3{font-size:15px}p{line-height:1.8;color:var(--text-secondary)}small{font-size:11px}a{cursor:pointer}.app{display:flex;min-height:100vh}.sidebar{width:236px;flex-shrink:0;border-right:1px solid var(--border);background:var(--sidebar);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:30px 18px 18px;z-index:20}.brand{display:flex;align-items:center;gap:9px;padding:0 0 28px;font-size:17px;font-weight:650;letter-spacing:-.5px}.brand-mark{width:38px;height:41px;color:var(--brand);background:var(--brand-subtle);border-radius:10px;display:grid;place-items:center;font-size:27px;font-weight:800;flex-shrink:0}.brand-sub{font-size:10px;letter-spacing:0;display:block;color:var(--text-secondary);margin-top:6px;font-weight:400}.workspace{display:flex;align-items:center;gap:10px;background:var(--border);padding:12px 10px;border:1px solid var(--border);border-radius:8px;font-size:12px}.workspace small{display:block;margin-top:4px;font-size:10px;color:var(--text-secondary)}.workspace-icon{width:30px;height:30px;background:var(--brand-subtle);color:var(--brand);border-radius:6px;display:grid;place-items:center;font-weight:700}.nav-caption{font-size:10px;letter-spacing:2px;color:var(--text-secondary);padding:30px 15px 12px}.nav{width:100%;justify-content:flex-start;gap:12px;border:0;padding:13px 15px;margin:3px 0;background:transparent;color:var(--text-secondary);font-size:13px}.nav.active{color:var(--brand);background:var(--brand-subtle);font-weight:600}.nav-dot{margin-left:auto;width:5px;height:5px;background:var(--brand);border-radius:50%}.sidebar-bottom{margin-top:auto}.secure-note{display:flex;gap:10px;align-items:center;color:var(--text-secondary);font-size:11px;padding:20px 12px}.secure-note small{display:block;font-size:9px;margin-top:5px}.profile{display:flex;align-items:center;gap:9px;border-top:1px solid var(--border);padding-top:18px;font-size:12px}.profile small{display:block;color:var(--text-secondary);margin-top:4px}.profile .icon-button{margin-left:auto}.avatar{width:34px;height:34px;display:grid;place-items:center;background:var(--brand-subtle);border-radius:50%;font-size:11px}.main{margin-left:236px;width:calc(100% - 236px)}.topbar{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 36px;border-bottom:1px solid var(--border);background:var(--surface);font-size:11px;color:var(--text-secondary)}.topbar>span,.topbar-right{display:flex;align-items:center;gap:13px}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--success)}.divider{height:13px;width:1px;background:var(--border);margin:0 6px}.content{max-width:1550px;margin:auto;padding:30px 36px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.eyebrow{display:block;font-size:9px;letter-spacing:2.3px;font-weight:550;color:var(--text-secondary);margin-bottom:8px}.page-heading p{font-size:12px;margin:0}.date-label{font-size:11px;color:var(--text-secondary)}.overview-banner{background:var(--surface);color:var(--text);border-radius:12px;padding:27px 32px;display:flex;align-items:center;justify-content:space-between;overflow:hidden;border:1px solid var(--border)}.overview-banner h2{font-size:25px;font-weight:500;letter-spacing:1px;margin:13px 0 7px}.overview-banner p{color:var(--text-secondary);font-size:12px;margin:0}.banner-symbol{display:flex;align-items:center;gap:20px;color:var(--text-secondary);padding-right:18px}.banner-symbol span{font-size:10px;line-height:1.8;letter-spacing:3px}.badge{display:inline-flex;align-items:center;padding:4px 8px;font-size:10px;background:var(--border);color:var(--text-secondary);border-radius:4px;white-space:nowrap;font-weight:400;line-height:1.4;vertical-align:middle}.badge.green{background:var(--success-subtle);color:var(--success-text)}.badge.orange{background:var(--warning-subtle);color:var(--warning-text)}.badge.light{color:var(--brand);background:var(--brand-subtle);border:1px solid var(--brand-border);font-size:9px;letter-spacing:1px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:27px 0 18px}.filters{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.filters select{width:auto;max-width:230px;font-size:11px;padding:9px 28px 9px 12px}.filters button{font-size:11px}.tabs{display:flex;align-items:center;gap:21px;font-size:12px}.tabs>span,.tabs>button{padding:8px 0;color:var(--text-secondary);background:none;border:none;border-radius:0}.tabs .selected{border-bottom:2px solid var(--brand);color:var(--brand);font-weight:600}.tabs button span{font-size:10px;padding:2px 5px;border-radius:4px;background:var(--brand-subtle);margin-left:5px}.muted{color:var(--text-secondary);font-size:12px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:22px}.metric{background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:19px 21px}.metric>div{display:flex;align-items:center;justify-content:space-between;color:var(--text-secondary);font-size:12px}.metric>div svg{padding:7px;box-sizing:content-box;background:var(--brand-subtle);border-radius:7px;color:var(--brand)}.metric strong{display:block;font-size:32px;line-height:1.4;font-weight:550;letter-spacing:-1px;margin-top:11px}.metric strong small{font-size:11px;font-weight:400;color:var(--text-secondary);margin-left:7px}.metric p{font-size:10px;margin:9px 0 0}.charts{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;margin-bottom:22px}.panel{padding:22px 24px;background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:20px}.charts .panel{margin-bottom:0}.section-title{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:20px}.section-title h2{font-size:14px;margin:0}.section-title p{font-size:11px;margin:5px 0 0}.section-title>span{font-size:10px}.bar-chart{min-height:150px;padding:13px 0}.bar-row{display:flex;align-items:center;gap:16px;font-size:11px;margin-bottom:24px}.bar-row>span{width:70px;flex-shrink:0;overflow-wrap:anywhere}.bar-row>b{font-size:11px;font-weight:500}.bar-track{background:var(--border);height:8px;border-radius:3px;flex:1;overflow:hidden}.bar-track i{display:block;height:100%;background:var(--brand);border-radius:3px}.chart-foot{padding-top:12px;border-top:1px solid var(--border);font-size:10px;color:var(--text-secondary);display:flex;gap:8px;align-items:center}.knowledge{margin:25px 0}.knowledge>div:first-child{display:flex;justify-content:space-between;font-size:11px;margin-bottom:9px}.knowledge b{font-size:11px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}th{font-weight:400;color:var(--text-secondary);background:var(--border);padding:12px 15px;white-space:nowrap;font-size:10px}td{padding:16px 15px;border-bottom:1px solid var(--border);max-width:360px;overflow-wrap:anywhere;color:var(--text-secondary)}td b{font-weight:500;color:var(--text)}td small{display:block;color:var(--text-secondary);font-size:9px;margin-top:5px}td.score{font-size:17px;color:var(--brand);font-weight:550}.footnote{font-size:10px;margin:18px 0 0;color:var(--text-secondary)}.wrong-row{display:flex;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid var(--border);font-size:12px}.wrong-row>div{flex:1}.wrong-row small{display:block;margin-top:6px;color:var(--text-secondary);font-size:10px}.wrong-row b{font-weight:400}.rank{font-size:12px;color:var(--text-secondary)}.page-footer{display:flex;justify-content:center;align-items:center;gap:12px;font-size:9px;color:var(--text-secondary);margin:35px 0 5px}.page-footer>span{font-size:10px;letter-spacing:.2px}.empty{display:flex;min-height:180px;flex-direction:column;align-items:center;justify-content:center;padding:28px 15px;color:var(--text-secondary);text-align:center}.empty h3{font-weight:500;margin:14px 0 7px;font-size:13px;color:var(--text-secondary)}.empty p{font-size:11px;margin:0;max-width:360px;color:var(--text-secondary)}.icon-button{padding:7px;border:0;background:none}.text-button{color:var(--brand);border:0;background:none;padding:5px 2px;font-size:11px}.row-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.search{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:7px;background:var(--surface);padding:0 12px;color:var(--text-secondary);min-width:230px}.search input{border:0;box-shadow:none;font-size:12px}.category-strip{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:0 0 20px;font-size:11px;color:var(--text-secondary)}.category-strip>span:first-child{margin-right:5px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay);z-index:100;display:flex;justify-content:center;align-items:center;padding:25px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal{background:var(--surface);border-radius:13px;padding:28px;width:650px;max-width:100%;max-height:90vh;overflow:auto;box-shadow:0 20px 80px var(--shadow-color)}.modal>header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal>header h2{font-size:19px;margin:0}.field{display:block;margin-bottom:17px}.field>span{display:block;font-size:12px;margin-bottom:8px;color:var(--text-secondary)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid .field{margin-bottom:12px}.option-edit{display:flex;align-items:center;gap:12px;margin:9px 0}.option-edit b{font-weight:500;font-size:12px}.option-edit>input:last-child{flex:1}.checkbox-row{display:flex;align-items:center;gap:17px;margin:16px 0}.checkbox-row label,.checks label{display:flex;align-items:center;gap:8px;font-size:12px}.checks{display:flex;flex-direction:column;gap:15px;margin:20px 0}.question-picker{max-height:260px;overflow:auto;border:1px solid var(--border);border-radius:7px;margin-bottom:15px}.pick-row{display:flex;gap:10px;align-items:center;padding:12px;border-bottom:1px solid var(--border);font-size:12px}.pick-row>span{flex:1}.pick-row input[type=number]{width:85px;padding:7px}.hint{background:var(--border);border-radius:6px;padding:13px;font-size:11px;color:var(--text-secondary);line-height:1.8}.one-time-secret{display:block;background:var(--brand-subtle);padding:18px;margin:20px 0;word-break:break-all;font-size:16px}.import-counts{display:flex;gap:15px;flex-wrap:wrap;margin:20px 0;font-size:12px}.errors-list{max-height:160px;overflow:auto;color:var(--error);font-size:11px;line-height:1.8}.random-rule{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:10px}.alert{padding:12px 15px;margin-bottom:18px;border-radius:7px;font-size:12px;line-height:1.7;display:flex;align-items:center;gap:15px;justify-content:space-between}.alert.error{background:var(--error-subtle);color:var(--error)}.alert.success{background:var(--success-subtle);color:var(--success-text)}.alert button{padding:4px 9px;background:transparent;border-color:currentColor;font-size:10px}.full{width:100%}.mobile-menu{display:none}.login{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr;background:var(--surface)}.login-story{padding:58px 70px;display:flex;flex-direction:column;justify-content:space-between;background:var(--page);color:var(--text);min-height:100vh}.brand.light{padding:0;font-size:25px;letter-spacing:-.7px;font-weight:500}.login-story h1{font-size:52px;line-height:1.45;font-weight:400;letter-spacing:1px;margin:23px 0}.login-story p{color:var(--text-secondary);font-size:14px;line-height:2}.login-story .eyebrow{color:var(--text-secondary);font-size:10px}.story-art{display:flex;align-items:center;gap:20px;font-size:11px;color:var(--text-secondary)}.story-art>div{height:1px;flex:1;background:var(--text-secondary)}.login-story>small{color:var(--text-secondary);font-size:10px}.login-form{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px}.login-inner{width:360px;max-width:100%}.login-inner h2{font-size:29px;font-weight:550;margin-top:15px}.login-inner>p{font-size:12px;margin-bottom:30px}.login-inner form .primary{margin-top:15px;padding:13px}.login-help{display:flex;align-items:center;gap:7px;font-size:10px!important;margin-top:22px}.login-form>small{position:absolute;bottom:30px;color:var(--text-secondary);font-size:10px}.password-screen,.loading{min-height:100vh;display:grid;place-items:center}.password-screen .panel{width:440px;max-width:95vw}.student-banner{background:var(--surface);border:1px solid var(--brand-border);border-radius:12px;padding:30px 35px;display:flex;align-items:center;justify-content:space-between;color:var(--text-secondary);margin-bottom:20px}.student-banner h2{font-size:25px;color:var(--text)}.student-banner p{font-size:12px;margin:0}.student-banner svg{color:var(--text-secondary)}.exam-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.exam-card{border:1px solid var(--border);background:var(--surface);border-radius:11px;padding:24px;min-width:0}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.exam-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:10px;background:var(--brand-subtle);color:var(--brand)}.exam-card h2{font-size:17px;overflow-wrap:anywhere}.exam-card p{font-size:11px;min-height:40px}.exam-facts{display:flex;gap:14px;font-size:10px;color:var(--text-secondary);margin:20px 0}.exam-facts>span{display:flex;align-items:center;gap:4px}.exam-deadline{display:flex;justify-content:space-between;gap:10px;font-size:9px;color:var(--text-secondary);border-top:1px solid var(--border);padding:15px 0 20px}.exam-card .primary{font-size:12px}.result-line{display:flex;align-items:center;justify-content:space-between;font-size:11px;border-top:1px solid var(--border);padding:12px 0;gap:8px}.instructions{line-height:2.2;color:var(--text-secondary);padding-left:20px;font-size:13px}.exam-header{display:flex;align-items:center;gap:20px;padding:18px 5%;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.exam-header h1{font-size:17px;margin:0}.exam-header .eyebrow{font-size:8px;margin-bottom:5px}.timer{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:20px;font-variant-numeric:tabular-nums;color:var(--brand);background:var(--brand-subtle);border-radius:8px;padding:12px 17px;white-space:nowrap}.timer.urgent{background:var(--warning-subtle);color:var(--warning-text)}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:28px;max-width:1180px;margin:32px auto;padding:0 25px}.question-panel{background:var(--surface);border:1px solid var(--border);padding:35px;border-radius:12px}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:28px}.question-meta>span:last-child{font-size:11px;color:var(--text-secondary)}.question-panel h2{font-size:22px;font-weight:500;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.answer-options{display:flex;flex-direction:column;gap:14px;margin-top:30px}.answer-option{justify-content:flex-start;text-align:left;padding:17px 20px;font-size:15px;border:1px solid var(--border);white-space:normal;line-height:1.8;gap:15px;overflow-wrap:anywhere}.answer-option>span:nth-child(2){flex:1;min-width:0}.answer-option.chosen{background:var(--brand-subtle);border-color:var(--brand);color:var(--brand)}.answer-option:disabled{opacity:1}.option-letter{border:1px solid var(--border);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;flex-shrink:0;font-size:12px}.chosen .option-letter{background:var(--brand);border-color:var(--brand);color:var(--surface)}.save-status{display:flex;align-items:center;gap:7px;color:var(--text-secondary);font-size:11px;margin-top:32px}.exam-controls{display:flex;justify-content:space-between;margin-top:20px;gap:10px}.exam-controls button{min-width:110px}.answer-map{border:1px solid var(--border);background:var(--surface);padding:23px;border-radius:12px;align-self:start;position:sticky;top:110px}.answer-map p{font-size:11px}.progress-track{height:5px;background:var(--border);border-radius:4px;margin:18px 0}.progress-track i{display:block;height:100%;background:var(--brand);border-radius:4px}.question-numbers{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:23px 0}.question-numbers button{padding:8px 0;border-radius:5px;font-size:12px;color:var(--text-secondary)}.question-numbers .answered{background:var(--brand-subtle);color:var(--brand);border-color:var(--text-secondary)}.question-numbers .current{border:2px solid var(--brand);padding:7px 0}.legend{display:flex;gap:20px;color:var(--text-secondary);font-size:10px;margin-bottom:24px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:8px;height:8px;border:1px solid var(--border);border-radius:2px}.legend i.answered{background:var(--brand);border-color:var(--brand)}.answer-map-toggle{display:none}.result-banner{display:flex;gap:16px;align-items:center;padding:22px;background:var(--brand-subtle);color:var(--text-secondary);border-radius:10px;margin-bottom:20px}.result-banner h2{font-size:18px;margin:0}.result-banner p{font-size:11px;margin:7px 0 0}.answer-review{margin-top:25px;padding:20px;background:var(--brand-subtle);font-size:13px;border-radius:7px}.answer-review p{margin:10px 0 0}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:1600px){.content{padding-top:40px}.overview-banner{padding:35px 40px}.metric{padding:24px}}@media(max-width:1200px){.sidebar{width:210px;padding-left:12px;padding-right:12px}.main{margin-left:210px;width:calc(100% - 210px)}.content{padding:25px}.exam-cards{grid-template-columns:repeat(2,1fr)}.toolbar{flex-wrap:wrap}.banner-symbol{display:none}.metric{padding:16px}.charts{grid-template-columns:1fr 1fr}.login-story{padding:45px}.login-story h1{font-size:42px}}@media(max-width:800px){.sidebar{transform:translate(-100%);width:240px;box-shadow:20px 0 60px var(--shadow-color);transition:transform .2s}.sidebar.open{transform:translate(0)}.main{margin-left:0;width:100%}.topbar{padding:0 18px;height:58px;gap:10px}.topbar>span{margin-right:auto;font-size:10px}.topbar-right{display:none}.mobile-menu{display:inline-flex}.content{padding:24px 18px}.page-heading{margin-bottom:21px}.page-heading h1{font-size:25px}.date-label{display:none}.overview-banner{padding:23px}.overview-banner h2{font-size:22px}.overview-banner p{font-size:10px}.metrics{grid-template-columns:repeat(2,1fr);gap:12px}.charts{grid-template-columns:1fr}.metric strong{font-size:29px}.panel{padding:19px 16px}.section-title{align-items:flex-start;flex-wrap:wrap}.filters{gap:7px}.filters button{padding:9px}.filters select{max-width:160px}.search{width:100%}.toolbar{margin-top:20px}.student-banner{padding:23px}.student-banner h2{font-size:21px}.student-banner svg{display:none}.exam-cards{grid-template-columns:1fr}.exam-card{padding:23px}.login{display:block}.login-story{display:none}.login-form{min-height:100vh;padding:30px}.modal-backdrop{padding:12px}.modal{padding:22px;max-height:94vh}.form-grid{gap:10px}.category-strip{gap:8px}.exam-header{padding:12px;gap:7px;align-items:center}.exam-header h1{font-size:12px;max-width:170px;line-height:1.5}.exam-header .eyebrow{font-size:7px;letter-spacing:1px}.timer{font-size:16px;gap:6px;padding:9px}.timer svg{width:14px}.exam-layout{display:block;margin:18px auto;padding:0 14px 110px}.question-panel{padding:23px 18px}.question-meta{margin-bottom:20px}.question-meta>span:last-child{font-size:9px}.question-panel h2{font-size:18px}.answer-option{padding:15px 12px;font-size:15px;min-height:60px;gap:12px}.answer-options{gap:12px;margin-top:23px}.exam-controls{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);padding:13px 14px calc(13px + env(safe-area-inset-bottom));z-index:15;margin:0}.exam-controls button{min-width:0;padding:12px 11px;font-size:12px}.answer-map-toggle{display:inline-flex}.answer-map{display:none}.answer-map.visible{display:block;position:fixed;inset:auto 0 0;max-height:80vh;overflow:auto;z-index:30;border-radius:15px 15px 0 0;box-shadow:0 -20px 100px var(--shadow-color);padding:25px 25px calc(25px + env(safe-area-inset-bottom))}.question-numbers{grid-template-columns:repeat(6,1fr)}.result-banner{padding:17px;gap:12px}.result-banner h2{font-size:15px}.result-banner p{font-size:10px}.page-footer{font-size:8px;gap:8px}.alert{font-size:11px}.random-rule{grid-template-columns:1fr}.tabs{gap:17px}.tabs button{font-size:11px}.one-time-secret{font-size:14px}}.report-extra-filters{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin:0 0 20px}.report-extra-filters label{font-size:10px;color:var(--text-secondary);display:flex;flex-direction:column;gap:6px}.report-extra-filters select,.report-extra-filters input{font-size:11px;max-width:170px;padding:8px}.report-extra-filters button{font-size:10px;padding:8px 12px}button,input,select,textarea{border-radius:var(--radius-control)}button{transition:background-color .14s,border-color .14s}button:focus-visible,a:focus-visible{outline:3px solid var(--brand-border);outline-offset:3px}button.primary:hover{border-color:var(--brand-hover)}button.danger{color:var(--error)}button.danger:hover{background:var(--error-subtle)}.nav:hover{background:var(--brand-subtle)}.nav svg{color:var(--text-secondary)}.nav.active svg{color:var(--brand)}.badge.purple{color:var(--brand);background:var(--brand-subtle)}.panel,.metric,.exam-card,.question-panel,.answer-map{border-radius:var(--radius-card)}.main,.content,.charts>*,.metrics>*,.exam-layout>*,.toolbar>*{min-width:0}.brand-mark,.banner-symbol,.student-banner svg,.exam-icon{color:var(--brand)}.workspace,th,.hint,.bar-track,.progress-track{background:var(--page)}.workspace-icon,.metric>div svg{color:var(--brand);background:var(--brand-subtle)}.result-banner{color:var(--brand)}.bar-row:nth-child(3n+2) .bar-track i,.knowledge:nth-child(3n+2) .bar-track i{background:var(--chart-secondary)}.bar-row:nth-child(3n) .bar-track i,.knowledge:nth-child(3n) .bar-track i{background:var(--chart-neutral)}.question-numbers .answered{border-color:var(--brand-border)}.answer-option.chosen{border-color:var(--brand)}.answer-option>svg{flex-shrink:0}.question-meta,.exam-facts,.exam-deadline,.checkbox-row{flex-wrap:wrap}h1,h2,h3,.alert,.hint,.modal{overflow-wrap:anywhere}.table-wrap{max-width:100%}tbody tr:hover{background:var(--page)}.search{min-width:0}.search:focus-within{border-color:var(--brand)}.sidebar{overflow-y:auto}.brand.light{font-size:21px}@media(max-width:800px){button,.icon-button,.text-button,.question-numbers button{min-height:44px}input,select,textarea{min-height:44px;font-size:16px}.filters select,.search input,.report-extra-filters input,.report-extra-filters select{font-size:16px}.page-heading{gap:12px;align-items:flex-start;flex-wrap:wrap}.filters{width:100%}.filters select{flex:1;min-width:120px;max-width:100%}.form-grid{grid-template-columns:1fr}.modal{padding:20px 16px;max-height:calc(100dvh - 24px)}.modal>header{gap:12px}.modal>header button{flex-shrink:0}.exam-header>div:not(.timer){min-width:0;flex:1}.exam-header h1{max-width:none;overflow-wrap:anywhere}.timer{flex-shrink:0}.exam-layout{padding-bottom:calc(110px + env(safe-area-inset-bottom))}.exam-controls{gap:6px}.exam-controls button{flex:1;padding:10px 6px;gap:4px;white-space:normal}.question-numbers{grid-template-columns:repeat(auto-fit,minmax(44px,1fr))}.answer-map.visible{max-height:calc(100dvh - 90px)}.random-rule{grid-template-columns:1fr}.report-extra-filters label{flex:1;min-width:120px}.report-extra-filters select,.report-extra-filters input{max-width:100%;width:100%}.tabs{flex-wrap:wrap}.login-form>small{position:static;margin-top:32px}}@media(max-width:390px){.content{padding:20px 12px}.metric{padding:14px 12px}.metric>div{gap:6px;font-size:11px}.metric>div svg{padding:5px;width:16px;flex-shrink:0}.question-panel{padding:20px 14px}.exam-header{gap:5px;padding:10px 8px}.exam-header h1{font-size:11px}.timer{font-size:16px;padding:8px;gap:4px}.exam-layout{padding-left:10px;padding-right:10px}.question-meta{gap:8px}.question-meta .badge{white-space:normal}.answer-option{gap:9px;padding:14px 10px}.page-footer{flex-wrap:wrap}.overview-banner{padding:20px}.overview-banner h2{font-size:20px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation-duration:.01ms!important}}
