body{background:#f3f7fc;color:#173454}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}.product-top{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:24px}.product-top h1{font-size:25px;margin:0}.product-top p{margin:6px 0;color:#71839b}.main{min-width:0}.side button.nav-item{width:100%;border:0;background:transparent;text-align:left;color:inherit}.side button.nav-item.on{background:#1468dc;color:#fff}.product-card{background:white;border:1px solid #dfe8f2;border-radius:16px;padding:24px;margin-bottom:20px}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.product-grid button{text-align:left;padding:18px;border:1px solid #dce8f5;border-radius:14px;background:white;line-height:1.8}.product-grid button.lit{border-color:#5ed2df;background:#effbfd}.product-muted{color:#6e829c;font-size:13px}.product-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}.product-tools select,.product-tools input{max-width:280px;padding:9px;border:1px solid #dce4ef;border-radius:8px;background:white}.product-table-wrap{overflow:auto}.product-table{width:100%;border-collapse:collapse;font-size:14px}.product-table th,.product-table td{text-align:left;padding:13px 10px;border-bottom:1px solid #e5edf5;vertical-align:middle}.product-table th{color:#6d7c91;font-weight:500}.product-table .stem-short{max-width:420px;white-space:normal}.product-form{display:grid;gap:14px}.product-form label{display:grid;gap:6px;color:#405978;font-size:14px}.product-form input,.product-form textarea,.product-form select{width:100%;padding:10px 12px;border:1px solid #d2deeb;border-radius:8px;background:white;color:#173454}.product-form textarea{min-height:110px;resize:vertical}.product-form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.product-form .actions{position:sticky;bottom:-24px;background:white;padding:14px 0}.product-login{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.product-login-brand{background:#061e3c url('/assets/route-space.png') center/cover;color:white;padding:70px;display:flex;flex-direction:column;justify-content:center}.product-login-brand img{width:240px;margin-bottom:80px}.product-login-brand h1{font-size:42px;line-height:1.5}.product-login-form{max-width:400px;width:100%;margin:auto;padding:30px}.product-login-form img{width:200px;margin-bottom:30px}.product-error{padding:12px;color:#ad3647;background:#fff2f3;border-radius:8px;margin:12px 0}.product-success{padding:14px;border-radius:10px;background:#eaf9f1;color:#16774f}.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;align-items:start}.quiz-layout.ai-visible{grid-template-columns:minmax(0,1fr) 350px}.quiz-main{background:white;border:1px solid #dce7f2;border-radius:18px;padding:30px;max-width:1000px}.quiz-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;gap:12px}.quiz-stem{font-size:18px;line-height:1.95;margin-bottom:26px;white-space:pre-wrap}.quiz-image{max-width:100%;max-height:360px}.quiz-answer{margin:20px 0}.quiz-answer textarea{width:100%;min-height:160px;padding:16px;border:1px solid #cbdbea;border-radius:12px;resize:vertical}.quiz-answer input{width:100%;padding:16px;border:1px solid #cbdbea;border-radius:12px}.quiz-actions{display:flex;gap:12px;margin-top:22px;align-items:center}.quiz-result{border-top:1px solid #e1e9f2;margin-top:25px;padding-top:20px;line-height:1.9}.quiz-result .analysis{white-space:pre-wrap}.quiz-ai{background:white;border:1px solid #d5e4f4;border-radius:16px;position:sticky;top:20px;padding:18px;max-height:86vh;display:flex;flex-direction:column}.quiz-ai h3{font-size:16px;display:flex;justify-content:space-between;margin-bottom:14px}.ai-messages{overflow:auto;flex:1;min-height:130px;font-size:14px;line-height:1.8}.ai-message{padding:12px;margin-bottom:10px;border-radius:10px;white-space:pre-wrap;background:#f2f7fd;overflow-wrap:anywhere}.ai-message.user{background:#e7f1ff}.ai-compose textarea{width:100%;min-height:75px;padding:10px;border:1px solid #d4e1ef;border-radius:9px;margin-top:12px}.quote-chip{font-size:13px;padding:10px;border-left:3px solid #218df9;background:#eef6ff;max-height:100px;overflow:auto}.quote-action{position:fixed;z-index:100;padding:8px 14px;background:#1679e4;color:white;border:0;border-radius:20px;box-shadow:0 3px 15px #1235}#notice{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:200;background:#143657;color:white;border-radius:12px;padding:12px 20px;display:none;max-width:90vw}#mask.show{display:flex}#modal{max-height:90vh;overflow:auto;width:min(850px,94vw);padding:26px}.rules-matrix input{width:64px;padding:8px;border:1px solid #c9d9ea;border-radius:6px}.status-pill{font-size:12px;padding:4px 10px;border-radius:20px;background:#edf4fb;color:#3779af;display:inline-block}.draw-pad{width:100%;height:240px;border:1px solid #bdd2e6;border-radius:12px;touch-action:none;background:white}.answer-images{display:flex;gap:8px;flex-wrap:wrap}.answer-images img{max-width:120px;max-height:100px;border:1px solid #cbdbea}.mobile-nav{display:none}.route-shell .main{padding-top:26px}.route-shell .product-top{color:white}.route-shell .product-top p{color:#a4c6e9}.route-kps{background:rgba(3,24,55,.75);border:1px solid #37658b;color:white;border-radius:16px;padding:18px;margin-top:18px}.route-kps button{color:#eaf6ff;background:#0d3461;border:1px solid #37658b;border-radius:10px;padding:10px 14px}.route-kps .product-tools{margin:12px 0 0}.teacher-review-images img{max-width:100%;max-height:350px}.readonly-note{padding:10px;background:#fff7df;color:#7f621a;border-radius:9px}.empty-state{padding:45px;text-align:center;color:#7288a1}
@media(max-width:1050px){.quiz-layout.ai-visible{grid-template-columns:minmax(0,1fr)}.quiz-ai{position:fixed;right:14px;bottom:14px;top:80px;width:370px;z-index:90;box-shadow:0 10px 60px #1235}.product-login-brand{padding:35px}.product-login-brand h1{font-size:32px}}
@media(max-width:760px){.product-login{grid-template-columns:1fr}.product-login-brand{display:none}.shell .side{display:none}.shell .main{margin-left:0;padding:18px 14px 90px;width:100%}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:95;background:#08284d;padding:10px;gap:4px;overflow-x:auto}.mobile-nav button{background:transparent;border:0;color:#c5dafa;padding:8px 12px;white-space:nowrap}.mobile-nav button.on{color:white;background:#146bdb;border-radius:8px}.product-top h1{font-size:20px}.product-top{gap:8px}.quiz-main{padding:20px 16px}.quiz-ai{left:8px;right:8px;top:65px;bottom:65px;width:auto;max-height:none}.quiz-stem{font-size:17px}.product-form .two{grid-template-columns:1fr}.product-card{padding:16px}.product-grid{grid-template-columns:1fr}.product-tools select{max-width:100%}.rules-matrix input{width:48px}.product-table{font-size:12px}.product-top .btn{padding:8px}.space-callout{width:100%}}
@media print{body *{visibility:hidden}#mask,#modal,#modal *{visibility:visible}#mask{position:absolute;display:block!important;inset:0;background:white}#modal{width:100%;max-height:none;overflow:visible;box-shadow:none;border:0}#modal button{display:none}}

.shell.route-shell .main{padding:26px 28px 30px;background:linear-gradient(180deg,#03142b22,#03132b33 65%,#03132be8),url("/assets/route-space.png") center top/cover fixed;overflow:hidden}
@media(max-width:760px){.shell.route-shell .main{padding:18px 14px 90px}}

.quiz-answer button.opt{width:100%;text-align:left;font-size:16px}.quiz-answer button.opt:disabled{opacity:1;cursor:default}.quiz-main .quiz-head small{display:block;margin-top:6px}

/* Original teacher template components, adapted to API-backed views. */
.side button.nav-item{display:flex;align-items:center;gap:11px}.side.tea button.nav-item{color:#d4e8fa}.side.tea button.nav-item.on{background:linear-gradient(135deg,#062b5c,var(--tea-dd));box-shadow:0 4px 14px #002c5540}.side .brand-logo img{max-width:100%}.side .who .role-tag{display:inline-flex;align-items:center;gap:5px}.side .who>span:last-child{display:block;margin-top:5px;font-size:12px;opacity:.8}.teacher-shell .topbar .tb-l{display:flex;align-items:center;gap:12px}.teacher-shell .topbar .tb-ic{display:grid;place-items:center}.teacher-shell .tview>.product-card{border-radius:20px;box-shadow:0 16px 38px #091e4212,0 2px 5px #091e4208}.bank-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.bank-heading>span{display:flex;align-items:center;gap:9px}.bank-count{font-size:12px;font-weight:400;color:var(--sub)}.bank-actions{display:flex;gap:8px;flex-wrap:wrap}.bank-actions button{display:inline-flex;align-items:center;gap:5px}.bank-panel .filterbar{padding:15px;background:#f5f9fe;border:1px solid #e6eef8;border-radius:12px;margin-top:18px}.bank-panel .filterbar select{max-width:245px;min-width:120px}.bank-panel .product-table-wrap{padding:0;margin-bottom:14px;border:0;border-radius:0}.bank-panel .product-table th{background:#f3f7fd;color:#536b88;font-size:12px;font-weight:600;white-space:nowrap}.bank-panel .product-table td{font-size:13px;padding:15px 10px}.bank-panel .product-table td:nth-child(2){width:56%}.bank-panel .stem-short{max-width:none;max-height:100px;overflow:auto;line-height:1.8;white-space:pre-wrap}.bank-panel .product-table tbody tr:hover{background:#f8fbff}.bank-panel .product-tools:last-child{justify-content:flex-end;font-size:12px;color:var(--sub)}.restore-dashboard{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;margin-top:28px}.restore-shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:12px}.restore-shortcut{display:flex;align-items:center;gap:12px;text-align:left;padding:18px;border:1px solid #e0ebf7;border-radius:12px;background:#f8fbff;color:#204463}.restore-shortcut>svg{width:24px;height:24px;color:#188acf}.restore-shortcut small{display:block;color:var(--sub);font-size:12px;margin-top:5px}.restore-summary p{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #e8eff7}.restore-dashboard .muted{line-height:1.8;font-size:12px;margin-top:16px}.student-view .product-card{box-shadow:0 8px 24px #183c6010}.pill.gray{background:#eef2f6;color:#748297}.pill.green{background:#e9f8ef;color:#258455}
@media(max-width:760px){.restore-dashboard,.restore-shortcuts{grid-template-columns:1fr}.bank-actions{gap:6px}.bank-panel .filterbar>*{max-width:100%!important;min-width:0!important}.bank-panel .product-table{min-width:650px}.bank-panel{padding:14px}.bank-panel .product-tools{font-size:12px}.teacher-shell .topbar{gap:10px}.teacher-shell .tview{min-width:0}.t-hero-t{font-size:20px}.stat-strip{flex-wrap:wrap}.restore-dashboard{gap:18px}}
@media(max-width:760px){.teacher-shell .topbar .tb-l{min-width:0;max-width:100%}.teacher-shell .topbar .tb-l>div{min-width:0}.teacher-shell .topbar .crumb{white-space:normal;overflow-wrap:anywhere}.teacher-shell .topbar .tb-ic{flex-shrink:0}}
@media(max-width:760px){.teacher-shell{overflow-x:clip}.teacher-shell .topbar{overflow:hidden}.mobile-nav{box-sizing:border-box;max-width:100vw}}
@media(max-width:760px){body:has(.teacher-shell){position:relative;overflow-x:hidden}}
/* Contain KaTeX's absolutely positioned accessibility layer inside the table scroller. */
.product-table-wrap{position:relative}.stem-short .katex{position:relative}
/* Restore the original dashboard density and editorial hierarchy. */
.home-week{display:flex;justify-content:space-between;margin-top:16px;gap:8px}.home-week span{font-size:11px;opacity:.65;text-align:center}.home-week i{display:block;font-style:normal;margin-top:4px}.home-week .active{color:#a8efff;opacity:1}.home-goal{font-size:11px;margin-top:12px;opacity:.8}.home-radar{display:block;width:100%;max-height:330px}.home-trend{width:100%;display:block}.home-chart-caption{text-align:center;font-size:11px}.profile-identity{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.profile-identity .avatar{width:76px;height:76px;border-radius:22px;background:linear-gradient(135deg,#205fa9,#55b5ef);color:white;display:grid;place-items:center;font-size:30px}.profile-actions{margin-left:auto;display:flex;gap:10px}.achievement-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.achievement{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:22px 10px;background:#f3f6fb;border:1px solid #e2eaf5;border-radius:14px;color:#8194ac}.achievement small{font-size:11px}.achievement span{font-size:11px}.achievement.earned{background:linear-gradient(135deg,#e7f3ff,#f6fcff);border-color:#8dc7fa;color:#236ebd}.teacher-distribution{margin-top:24px}.teacher-distribution h4{margin:18px 0 10px}.teacher-distribution p{display:flex;justify-content:space-between;font-size:13px}.difficulty-row{display:flex;align-items:center;gap:10px;font-size:12px;margin:10px 0}.difficulty-row>div{flex:1;height:7px;border-radius:10px;background:#eaf0f8}.difficulty-row i{display:block;height:100%;background:linear-gradient(90deg,#277fea,#68bbf5);border-radius:10px}.difficulty-row b{min-width:28px;text-align:right}.question-edit-grid{display:grid!important;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:24px!important}.editor-fields{display:flex;flex-direction:column;gap:14px;min-width:0}.editor-preview{position:sticky;top:0;min-width:0;background:#f4f8fd;border:1px solid #dbe6f5;border-radius:16px;padding:22px;overflow-wrap:anywhere}.editor-preview .quiz-stem{margin:18px 0}.editor-preview .opt{margin-bottom:10px}.editor-preview details{margin-top:20px;font-size:13px}.editor-preview .muted{margin-top:20px;font-size:12px}#modal:has(.question-edit-grid){max-width:1120px;width:94vw}.knowledge-manager{display:grid;grid-template-columns:245px minmax(0,1fr);gap:26px;margin-top:20px}.knowledge-manager>nav{background:#f5f8fc;border-radius:14px;padding:10px;max-height:650px;overflow:auto}.knowledge-chapter{border:0;background:transparent;display:flex;align-items:center;gap:8px;padding:13px 10px;width:100%;text-align:left;border-radius:9px;color:#526d91;cursor:pointer;font:inherit;font-size:12px}.knowledge-chapter span{flex:1}.knowledge-chapter.selected{background:#e0edff;color:#1a67c5;font-weight:700}.knowledge-item{padding:22px;border:1px solid #e1eaf6;border-radius:14px;margin:16px 0}.knowledge-item .pill{margin-left:12px}.knowledge-item p{margin:12px 0;font-size:13px;color:#627d9e}.readiness{padding:12px;background:#fff7eb;color:#916f35;font-size:12px;border-radius:8px;line-height:1.8}.readiness.ready{background:#eaf8f1;color:#338b68}.home-board .ov-chg{cursor:pointer}.home-board .hh-me{cursor:pointer}.student-view>.card{margin-bottom:20px}.quiz-main{box-shadow:0 10px 36px #264e8310}.quiz-head{border-bottom:1px solid #e6eef8;padding-bottom:18px}.quiz-actions{padding-top:16px;border-top:1px solid #e6eef8}
@media(max-width:900px){.achievement-grid{grid-template-columns:repeat(2,1fr)}.knowledge-manager{grid-template-columns:190px minmax(0,1fr)}.question-edit-grid{grid-template-columns:1fr}.editor-preview{position:static}}
@media(max-width:600px){.knowledge-manager{grid-template-columns:1fr;gap:12px}.knowledge-manager>nav{max-height:190px}.profile-actions{margin-left:0}.knowledge-item{padding:14px}.home-board .hb-grid{display:block}.home-board .hb-col{min-width:0}.home-board .hh-today{width:100%}.home-board .hh-l{min-width:0}.home-board .hh-meta{white-space:normal}.achievement{padding:16px 8px}.home-board .home-hero{flex-wrap:wrap}.question-edit-grid .two{grid-template-columns:1fr}.editor-preview{padding:15px}}
.rank-hero{min-height:170px;padding:30px 36px;color:white}.rank-hero>div{position:relative}.rank-hero h2{display:flex;align-items:center;gap:12px;margin:12px 0;font-size:25px}.rank-hero p{opacity:.8}.rank-podium{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.podium{display:flex;align-items:center;flex-direction:column;gap:10px;padding:24px;background:linear-gradient(180deg,#eaf2ff,#f8fbff);border:1px solid #d8e6f7;border-radius:16px}.podium.place-0{background:linear-gradient(180deg,#fff6da,#fffdf6);border-color:#efd694}.rank-avatar{width:44px;height:44px;background:#205eaa;color:white;border-radius:50%;display:grid;place-items:center}.rank-medal{font-size:28px;color:#be922e}.podium strong{font-size:22px;color:#2167b4}.podium small{font-size:11px}.rank-user{display:flex;align-items:center;gap:12px}.rank-number{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#eaf2fc;color:#2374cd}.wrong-question .quiz-stem{font-size:15px}.home-board .mini-tabs button{white-space:nowrap}.home-board .t-sec{flex-wrap:wrap;gap:8px}
@media(max-width:600px){.rank-podium{gap:8px}.podium{padding:16px 5px;font-size:11px}.rank-hero{padding:24px}.podium strong{font-size:18px}.home-board .mini-tabs{margin-left:0!important}}
#mask{z-index:120;backdrop-filter:blur(3px)}#modal{position:relative;box-shadow:0 28px 100px #071d4955;border:1px solid #deebfb}#modal>h2{font-size:21px;margin:0 36px 22px 0;padding-bottom:16px;border-bottom:1px solid #e5edf7}.modal-close{position:absolute;right:16px;top:14px;width:30px;height:30px;display:grid;place-items:center;border:0;background:#eef4fc;color:#547292;border-radius:9px;font-size:22px}.product-form .actions{display:flex;gap:10px;justify-content:flex-end;z-index:2}.question-edit-grid .editor-fields .actions{bottom:-26px;border-top:1px solid #e2ebf7}.editor-preview .opt{padding:10px 14px}
@media(max-width:600px){#mask{padding:10px}#modal{padding:20px;max-height:92dvh}#modal:has(.question-edit-grid){width:96vw}.editor-preview{order:-1}.editor-fields{order:1}}
.experience-note{font-size:12px;color:#6e849e;margin:-12px 0 18px;padding:9px 12px;border-radius:8px;background:#f3f7fc}