:root{--ink:#11131a;--muted:#687083;--line:#e5e7ef;--surface:#fff;--soft:#f6f7fb;--brand:#5b35df;--brand2:#2367f2;--green:#0d9f64;--red:#d73a49;--amber:#b7791f;--shadow:0 20px 60px rgba(18,22,33,.08);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.container{width:min(1200px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav{height:74px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:750;white-space:nowrap}.brand img{width:46px;height:46px;object-fit:cover;border-radius:50%}.nav-links{margin-left:auto;display:flex;align-items:center;gap:7px}.nav-links a{padding:9px 10px;border-radius:10px;color:var(--muted);font-weight:650;font-size:13px}.nav-links a:hover{background:var(--soft);color:var(--ink)}.nav-actions{display:flex;gap:8px;margin-left:10px}.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn.dark{background:#151820;color:#fff}.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.btn.ghost{border:1px solid var(--line);background:#fff}.btn.danger{background:#fff0f2;color:var(--red);border:1px solid #ffd4da}.btn.small{padding:8px 11px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.mobile-menu-btn{display:none;border:0;background:#fff;font-size:24px}.mobile-menu{display:none}.toast{position:fixed;right:18px;top:88px;z-index:99;padding:13px 16px;border-radius:12px;box-shadow:var(--shadow);background:#111;color:#fff;max-width:380px}.toast.success,.alert.success{background:#ecfdf5;color:#096c47;border:1px solid #b6f0d7}.toast.warning,.alert.warning{background:#fff8e8;color:#8a5a00;border:1px solid #f6db9c}.toast.error,.alert.error{background:#fff1f2;color:#a52334;border:1px solid #fecdd3}.hero{padding:78px 0 58px;background:radial-gradient(circle at 90% 15%,#ede7ff 0,transparent 28%),radial-gradient(circle at 10% 80%,#e8f4ff 0,transparent 30%),#fff}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:#f2efff;color:#5d34d8;border:1px solid #ddd4ff;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:800}.hero h1{font-size:clamp(42px,5.2vw,76px);line-height:.99;letter-spacing:-.055em;margin:20px 0 18px}.hero h1 span{background:linear-gradient(90deg,#5b35df,#1d7cf2);-webkit-background-clip:text;color:transparent}.hero p{font-size:18px;line-height:1.65;color:var(--muted);max-width:760px}.hero-search{display:flex;margin-top:28px;padding:8px;background:#fff;border:1px solid #dfe3ee;box-shadow:0 20px 55px rgba(51,65,85,.12);border-radius:18px}.hero-search input{flex:1;border:0;outline:0;padding:8px 13px;font-size:15px}.hero-search .btn{border-radius:12px}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.chip{padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#555f72;font-size:11px;font-weight:750}.hero-visual{border-radius:28px;background:#121621;padding:18px;box-shadow:0 30px 90px rgba(20,28,50,.25);color:#fff}.mini-window{border:1px solid #303747;border-radius:18px;overflow:hidden;background:#191e29}.mini-top{height:55px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid #303747}.mini-top b{font-size:13px}.mini-body{padding:18px}.mini-prompt{background:#222836;border:1px solid #333b4c;padding:14px;border-radius:12px;color:#cfd6e5}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.mini-grid div{background:#202632;border:1px solid #313949;padding:14px;border-radius:12px}.mini-grid b{display:block;font-size:12px}.mini-grid span{display:block;color:#8f9bad;font-size:9px;margin-top:5px}.section{padding:64px 0}.section.soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.section-head h2{font-size:34px;letter-spacing:-.035em;margin:0}.section-head p{max-width:700px;color:var(--muted);line-height:1.6;margin:8px 0 0}.kicker{font-size:10px;font-weight:900;color:var(--brand);letter-spacing:.14em;text-transform:uppercase}.grid{display:grid;gap:16px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 6px 25px rgba(27,32,46,.03)}.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s}.card-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eee8ff,#e6f0ff);font-size:21px}.card h3{margin:15px 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.card .meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px}.meta span{font-size:10px;color:#5d6678;background:var(--soft);border-radius:999px;padding:6px 8px}.public-strip{background:#12151d;color:#fff;padding:13px 0}.public-strip .container{display:flex;justify-content:space-between;gap:18px;align-items:center;font-size:12px}.public-strip b{color:#aee5cf}.search-bar{display:flex;gap:8px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:7px}.search-bar input,.search-bar select{border:0;outline:0;background:transparent;padding:8px 10px}.search-bar input{flex:1}.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.subject-card{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}.subject-card .initial{width:42px;height:42px;border-radius:12px;background:#131722;color:#fff;display:grid;place-items:center;font-weight:900}.subject-card h3{font-size:15px;margin:14px 0 6px}.subject-card p{font-size:11px;color:var(--muted);line-height:1.5}.tutorial-layout{display:grid;grid-template-columns:270px minmax(0,1fr) 270px;gap:20px;align-items:start}.toc,.right-rail{position:sticky;top:94px}.toc h3{font-size:13px;margin:0 0 12px}.toc a{display:block;padding:9px 10px;border-radius:9px;font-size:12px;color:#5d6576}.toc a.active,.toc a:hover{background:#f0edff;color:#5631d2}.article{min-width:0}.article h1{font-size:38px;letter-spacing:-.04em}.article h2{font-size:26px;margin-top:30px}.article h3{font-size:19px;margin-top:24px}.article p,.article li{line-height:1.75;color:#333b4a;font-size:15px}.article pre{overflow:auto;background:#111722;color:#e8edf7;border-radius:14px;padding:18px}.article code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.article p code{background:#f1f3f8;color:#353f56;border-radius:5px;padding:2px 5px}.right-rail .card{margin-bottom:12px}.paper-list{display:grid;gap:10px}.paper-row{display:grid;grid-template-columns:minmax(0,1.7fr) .7fr .6fr .7fr auto;gap:10px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:13px 15px;background:#fff}.paper-row b{font-size:13px}.paper-row span{font-size:11px;color:var(--muted)}.paper-view-shell{position:relative;background:#333;border-radius:16px;overflow:hidden;min-height:70vh}.paper-view-shell iframe{width:100%;height:78vh;border:0;background:#fff}.paper-watermark{position:absolute;inset:0;pointer-events:none;display:grid;place-items:center;color:rgba(90,90,90,.08);font-size:48px;font-weight:900;transform:rotate(-26deg);z-index:2}.auth-wrap{min-height:calc(100vh - 74px);display:grid;place-items:center;padding:45px 18px;background:linear-gradient(135deg,#f8f7ff,#f5f9ff)}.auth-card{width:min(620px,100%);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:34px}.auth-card .brand{margin-bottom:26px}.auth-card h1{font-size:34px;letter-spacing:-.04em;margin:0}.auth-card>p{color:var(--muted);line-height:1.6}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:800}.field input,.field select,.field textarea{border:1px solid #dfe3ed;border-radius:12px;padding:12px 13px;outline:0;background:#fff}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:#795ce6;box-shadow:0 0 0 3px #ece7ff}.otp-line{display:grid;grid-template-columns:1fr auto;gap:8px}.hint{font-size:10px;color:var(--muted)}.alert{border-radius:12px;padding:12px 14px;margin-bottom:14px;border:1px solid var(--line);background:#fff}.empty{border:1px dashed #cfd5e2;border-radius:18px;padding:34px;text-align:center;color:var(--muted);background:#fff}.empty h2,.empty h3{color:var(--ink)}.empty-icon{font-size:28px}.footer{background:#10131b;color:#d6dbe7;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:28px}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-grid a{font-size:12px;color:#9ea6b7}.footer-grid p{font-size:12px;color:#9ea6b7}.footer-brand img{border:1px solid #3a4050}.footer-bottom{border-top:1px solid #2a2f3b;margin-top:30px;padding-top:17px;font-size:11px;color:#7c8596}
/* Code Studio */.studio{background:#141821;color:#fff;border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(10,15,30,.2)}.studio-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:#1d222d;border-bottom:1px solid #353b47}.studio-toolbar select{background:#2a303c;color:#fff;border:1px solid #3c4452;border-radius:10px;padding:8px}.studio-main{display:grid;grid-template-columns:1.3fr .8fr .8fr;min-height:520px}.pane{min-width:0;border-right:1px solid #353b47}.pane:last-child{border-right:0}.pane-head{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:#1d222b;border-bottom:1px solid #343b48;font-size:11px;color:#9ca5b5}.code-editor{width:100%;height:360px;resize:none;border:0;outline:0;background:#18202c;color:#eaf0f8;padding:15px;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.stdin{width:100%;height:100px;resize:none;border:0;border-top:1px solid #353b47;outline:0;background:#151b24;color:#dae2ef;padding:12px;font:12px/1.5 ui-monospace}.output{height:460px;overflow:auto;padding:15px;white-space:pre-wrap;font:12px/1.6 ui-monospace;color:#dfe5ef}.ai-pane{padding:14px;background:#1b2029}.ai-pane textarea{width:100%;height:120px;background:#121720;color:#fff;border:1px solid #343c49;border-radius:11px;padding:10px;resize:vertical}.ai-response{margin-top:10px;max-height:250px;overflow:auto;white-space:pre-wrap;color:#bfc8d8;font-size:11px;line-height:1.6}.studio-actions{display:flex;gap:8px;align-items:center}.studio .btn.ghost{background:#242b37;border-color:#3a4351;color:#fff}
/* Dashboard */.dash-body{background:#f5f6fa}.dash-shell{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#11151d;color:#dce2ec;padding:20px 14px;display:flex;flex-direction:column}.side-brand{color:#fff;padding:0 8px}.side-brand img{width:42px;height:42px}.user-chip{display:flex;gap:10px;align-items:center;margin:22px 6px 14px;padding:12px;background:#1c222d;border:1px solid #2c3442;border-radius:14px}.user-chip>span{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#724de9,#2b6cf1);display:grid;place-items:center;font-weight:900}.user-chip b{display:block;font-size:12px}.user-chip small{display:block;color:#8e99aa;font-size:9px;margin-top:3px}.side-nav{display:flex;flex-direction:column;gap:4px;overflow:auto}.side-nav a{display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:10px;color:#9ea7b6;font-size:12px;font-weight:700}.side-nav a:hover{background:#202631;color:#fff}.side-nav span{width:20px;text-align:center}.side-bottom{margin-top:auto;border-top:1px solid #2a303a;padding:12px 6px 0;display:flex;flex-direction:column;gap:7px}.side-bottom a{font-size:11px;color:#8f98a7}.dash-main{padding:24px 28px 45px;min-width:0}.dash-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dash-top small{font-size:9px;color:#7a8290;letter-spacing:.12em;font-weight:900}.dash-top h1{font-size:29px;margin:5px 0 0;letter-spacing:-.035em}.dash-user{font-size:11px;color:#6f7785}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.stat-card{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:15px;padding:15px}.stat-icon{width:42px;height:42px;border-radius:12px;background:#f0edff;color:#5837d2;display:grid;place-items:center;font-weight:900}.stat-card span{font-size:9px;color:#7a8290;text-transform:uppercase;letter-spacing:.08em;font-weight:850}.stat-card strong{display:block;font-size:22px;margin:3px 0}.stat-card small{color:#8b93a1;font-size:9px}.panel{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px;margin-bottom:16px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.panel-head h2{font-size:17px;margin:0}.panel-head p{font-size:10px;color:var(--muted);margin:3px 0 0}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px 9px;text-align:left;border-bottom:1px solid #edf0f5;font-size:11px;vertical-align:top}.table th{color:#7a8290;font-size:9px;text-transform:uppercase;letter-spacing:.07em}.badge{display:inline-block;padding:5px 8px;border-radius:999px;background:#eef1f6;color:#5c6575;font-size:9px;font-weight:850}.badge.published,.badge.active,.badge.valid,.badge.success{background:#e9fbf3;color:#06784d}.badge.submitted,.badge.pending,.badge.draft{background:#fff7e5;color:#956105}.badge.rejected,.badge.revoked,.badge.blocked{background:#fff0f2;color:#b3263d}.action-row{display:flex;gap:6px;flex-wrap:wrap}.inline-form{display:inline}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.notice{padding:13px;border-radius:12px;background:#f5f2ff;border:1px solid #e3dcff;color:#5338a7;font-size:11px;line-height:1.6}.lock-note{padding:11px;border-radius:11px;background:#fff8e9;color:#795000;font-size:10px;border:1px solid #f1d79c}.certificate{background:#fff;border:10px double #111;padding:44px;max-width:900px;margin:25px auto;text-align:center;position:relative}.certificate img.logo{width:88px;height:88px;border-radius:50%}.certificate h1{font-family:Georgia,serif;font-size:42px;margin:18px 0 8px}.certificate h2{font-size:30px}.certificate .cert-name{font-size:32px;font-family:Georgia,serif;color:#4d2ed0}.certificate .cert-meta{display:flex;justify-content:space-between;margin-top:45px;font-size:11px;text-align:left}.qr{width:120px;height:120px}.verify-card{max-width:700px;margin:40px auto}.ok-mark{width:62px;height:62px;border-radius:50%;background:#e8fbf2;color:#078052;display:grid;place-items:center;font-size:30px;margin-bottom:15px}
@media(max-width:1100px){.nav-links{display:none}.mobile-menu-btn{display:block;margin-left:auto}.nav-actions{margin-left:0}.mobile-menu.open{display:flex;flex-wrap:wrap;padding:10px 18px 14px;gap:8px;border-top:1px solid var(--line)}.mobile-menu a{padding:7px 10px;background:var(--soft);border-radius:8px;font-size:11px}.hero-grid{grid-template-columns:1fr}.grid.cols-4,.subject-grid{grid-template-columns:repeat(2,1fr)}.tutorial-layout{grid-template-columns:220px 1fr}.right-rail{display:none}.studio-main{grid-template-columns:1fr 1fr}.ai-pane{grid-column:1/-1}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:780px){.container{width:min(100% - 24px,1200px)}.nav{height:68px}.brand span{font-size:17px}.brand img{width:40px;height:40px}.nav-actions .ghost{display:none}.hero{padding:52px 0}.hero h1{font-size:44px}.hero p{font-size:15px}.section{padding:46px 0}.section-head{align-items:start;flex-direction:column}.section-head h2{font-size:28px}.grid.cols-4,.grid.cols-3,.grid.cols-2,.subject-grid,.form-grid,.two-col,.three-col{grid-template-columns:1fr}.paper-row{grid-template-columns:1fr auto}.paper-row span:nth-of-type(n+2){display:none}.tutorial-layout{grid-template-columns:1fr}.toc{position:static}.studio-main{grid-template-columns:1fr}.pane{border-right:0;border-bottom:1px solid #353b47}.public-strip .container{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.dash-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.side-nav{display:grid;grid-template-columns:repeat(2,1fr)}.side-bottom{margin-top:14px}.dash-main{padding:18px 12px 35px}.dash-top{align-items:flex-start}.dash-user{display:none}.stats{grid-template-columns:1fr 1fr}.certificate{padding:24px 14px}.certificate h1{font-size:30px}.certificate h2,.certificate .cert-name{font-size:24px}}@media(max-width:520px){.nav-actions .btn.dark{padding:9px 11px;font-size:11px}.hero-search{flex-direction:column}.mini-grid{grid-template-columns:1fr}.grid.cols-4,.subject-grid,.footer-grid,.stats{grid-template-columns:1fr}.auth-card{padding:24px 18px}.side-nav{grid-template-columns:1fr 1fr}.paper-view-shell iframe{height:70vh}}

/* V9 Campus Pro */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 14px;padding:10px 0}.check-grid label,.mini-check{font-size:13px;color:var(--muted);display:block;margin:4px 0}.big-number{font-size:44px;font-weight:900;letter-spacing:-1px;margin:12px 0}.exam-toolbar{display:flex;justify-content:space-between;align-items:center;position:sticky;top:10px;z-index:10}.table textarea{min-width:220px}.table form input,.table form select{max-width:180px;margin:2px}.table form textarea{margin:4px 0}.side-nav{max-height:calc(100vh - 205px);overflow:auto;padding-right:4px}.side-nav::-webkit-scrollbar{width:5px}.side-nav::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:8px}
@media(max-width:900px){.check-grid{grid-template-columns:1fr 1fr}.exam-toolbar{position:static;gap:10px;flex-wrap:wrap}}
@media(max-width:620px){.check-grid{grid-template-columns:1fr}.big-number{font-size:34px}}

/* V10 Campus 360 + Advanced Exam Console */
.btn.warning{background:#fff5d8;color:#7a5100;border:1px solid #efd28b}.campus-banner{height:300px;background-size:cover;background-position:center}.campus-overlap{margin-top:-110px;position:relative;z-index:2;background:transparent}.campus-hero-card{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 28px 80px rgba(17,24,39,.17);padding:28px}.campus-identity{display:flex;gap:20px;align-items:flex-start}.campus-logo{width:100px;height:100px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px}.campus-identity h1{font-size:38px;letter-spacing:-.04em;margin:8px 0}.campus-identity p{color:var(--muted);line-height:1.6}.campus-login-card{border:1px solid var(--line);border-radius:20px;padding:20px;background:var(--soft)}.campus-student-strip{border-top:4px solid var(--brand)}.student-item{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-top:10px}.student-item:hover{transform:none}.assignment-submit{max-width:760px;margin-top:20px}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:18px 0}.summary-grid div{text-align:center;border:1px solid var(--line);border-radius:14px;padding:16px}.summary-grid b{font-size:25px;display:block}.summary-grid span{font-size:10px;color:var(--muted)}
.exam-page{min-height:100vh;background:#eef1f6}.exam-page+.footer{display:none}.exam-console-top{position:sticky;top:0;z-index:90;height:68px;background:#fff;border-bottom:1px solid #d8dde8;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:18px;padding:0 22px;box-shadow:0 5px 20px rgba(10,20,40,.06)}.exam-console-top>div:first-child{display:flex;flex-direction:column}.exam-console-top b{font-size:15px}.exam-console-top span{font-size:10px;color:var(--muted)}.exam-attempt-label{font-size:12px!important;color:#536073!important;font-weight:800}.exam-timer{font:800 20px ui-monospace,SFMono-Regular,Consolas,monospace;padding:8px 12px;border-radius:10px;background:#111827;color:#fff}.exam-timer.danger{background:#b4233c;animation:timerpulse 1s infinite}@keyframes timerpulse{50%{opacity:.75}}.exam-console{display:grid;grid-template-columns:minmax(0,1fr) 300px;max-width:1450px;margin:0 auto;min-height:calc(100vh - 68px)}.exam-question-area{background:#fff;margin:18px;border:1px solid #dce1ea;border-radius:16px;padding:0 22px 20px;min-width:0}.exam-tools{display:flex;gap:10px;align-items:center;position:sticky;top:68px;background:#fff;z-index:5;border-bottom:1px solid #edf0f4;padding:14px 0}.exam-tools #questionCounter{margin-right:auto;font-weight:800;font-size:12px}.exam-question{padding:24px 0;min-height:440px}.question-heading{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:start;font-size:16px;line-height:1.65}.question-heading>span:first-child{font-weight:900}.question-heading p{margin-top:0}.question-marks{font-size:10px;color:var(--muted);border:1px solid var(--line);padding:5px 8px;border-radius:999px}.exam-options{display:grid;gap:10px;margin:24px 0}.exam-option{display:flex;align-items:flex-start;gap:10px;padding:14px;border:1px solid #dfe4ed;border-radius:12px;cursor:pointer;background:#fff}.exam-option:has(input:checked){border-color:#6f4ee8;background:#f5f2ff;box-shadow:0 0 0 2px #ede8ff}.exam-option input{margin-top:5px}.option-letter{width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:#eef1f6;display:grid;place-items:center;font-size:11px;font-weight:900}.exam-answer-code{width:100%;font:13px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;background:#141a24;color:#e8eef8;border:0!important}.exam-nav-actions{display:flex;gap:8px;border-top:1px solid #edf0f4;padding-top:16px;flex-wrap:wrap}.exam-nav-actions #saveNext{margin-left:auto}.exam-palette{background:#fff;border-left:1px solid #d8dde8;padding:18px;position:sticky;top:68px;height:calc(100vh - 68px);overflow:auto}.candidate-mini{padding:12px;border-radius:12px;background:#f4f6fa;margin-bottom:16px}.candidate-mini b,.candidate-mini span{display:block}.candidate-mini span{font-size:10px;color:var(--muted);margin-top:3px}.exam-palette h3{font-size:14px}.palette-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:14px 0 18px}.palette-btn{aspect-ratio:1;border:0;border-radius:10px;font-weight:900;cursor:pointer}.palette-btn.not-visited,.palette-legend i.not-visited{background:#eef1f5;color:#536073}.palette-btn.not-answered,.palette-legend i.not-answered{background:#ffe8e9;color:#ad2537}.palette-btn.answered,.palette-legend i.answered{background:#dff8ea;color:#097849}.palette-btn.review,.palette-legend i.review{background:#eee6ff;color:#6737ce}.palette-btn.answered-review,.palette-legend i.answered-review{background:linear-gradient(135deg,#dff8ea 55%,#e5d6ff 55%);color:#42257e}.palette-legend{display:grid;gap:7px;margin-bottom:16px}.palette-legend span{font-size:10px;color:#657083;display:flex;align-items:center;gap:7px}.palette-legend i{width:16px;height:16px;border-radius:5px;display:inline-block}.exam-palette>.btn{width:100%;margin-top:12px}.exam-start-form{display:grid;gap:14px;margin-top:18px;max-width:700px}.consent{display:flex;gap:10px;align-items:flex-start;font-size:12px;line-height:1.55;color:#4f596b}.consent input{margin-top:3px}dialog#examSummary{border:0;padding:0;border-radius:20px;box-shadow:0 30px 90px rgba(0,0,0,.25);width:min(620px,calc(100% - 30px))}dialog#examSummary::backdrop{background:rgba(10,14,24,.65)}.modal-card{padding:26px}.modal-card h2{margin-top:0}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.tutorial-body{line-height:1.75;color:#333b4a}
@media(max-width:980px){.campus-hero-card{grid-template-columns:1fr}.exam-console{grid-template-columns:1fr}.exam-palette{position:static;height:auto;border-left:0;border-top:1px solid #d8dde8}.palette-grid{grid-template-columns:repeat(10,1fr)}.exam-question-area{margin:12px}.exam-tools{top:68px}.campus-overlap{margin-top:-60px}}
@media(max-width:680px){.campus-banner{height:210px}.campus-identity{flex-direction:column}.campus-identity h1{font-size:30px}.campus-logo{width:82px;height:82px}.exam-console-top{grid-template-columns:1fr auto;height:auto;padding:10px 12px}.exam-attempt-label{display:none}.exam-console-top>div:first-child span{max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.exam-question-area{padding:0 14px 14px}.exam-tools{top:64px;flex-wrap:wrap}.question-heading{grid-template-columns:auto 1fr}.question-marks{grid-column:2}.exam-nav-actions{display:grid;grid-template-columns:1fr 1fr}.exam-nav-actions #saveNext{margin-left:0}.palette-grid{grid-template-columns:repeat(6,1fr)}.summary-grid{grid-template-columns:1fr}.student-item{flex-direction:column}.modal-actions{flex-direction:column-reverse}.modal-actions .btn{width:100%}}

/* V11 Proctor 360 */
.proctor-room .proctor-chat,.candidate-chat{min-height:180px;max-height:340px;overflow:auto;border:1px solid var(--line,#dfe3ea);border-radius:14px;padding:12px;background:#fff}.candidate-chat{min-height:90px;max-height:150px;font-size:12px}.chat-msg{display:grid;gap:3px;padding:9px 0;border-bottom:1px solid #eef1f5}.chat-msg small,.signal-row small{color:#7b8494}.signal-feed{max-height:360px;overflow:auto}.signal-row{display:grid;grid-template-columns:160px 1fr auto;gap:8px;padding:8px;border-bottom:1px solid #edf0f4}.candidate-proctor-box{margin:12px 0;padding:12px;border:1px solid #d9dfeb;border-radius:14px;background:#f8faff}.candidate-proctor-box .action-row input{min-width:0}.exam-page[data-proctor-mode="hybrid"] .exam-console-top,.exam-page[data-proctor-mode="live"] .exam-console-top{box-shadow:0 3px 0 #6d5dfc}.exam-page[data-proctor-mode="recorded"] .exam-console-top{box-shadow:0 3px 0 #e09b2d}.exam-page[data-proctor-mode="ai"] .exam-console-top,.exam-page[data-proctor-mode="automated"] .exam-console-top{box-shadow:0 3px 0 #16836b}

.proctor-live-media{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:16px 0}.proctor-live-media>div{background:#0b1020;border-radius:16px;padding:10px;color:#fff}.proctor-live-media video{display:block;width:100%;min-height:180px;max-height:360px;object-fit:contain;background:#05070c;border-radius:12px;margin-top:8px}@media(max-width:800px){.proctor-live-media{grid-template-columns:1fr}}

.exam-instructions-card{max-width:1050px;margin:24px auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 16px 48px rgba(17,24,39,.08)}.exam-instructions-card h2{margin:0 0 8px;font-size:30px;letter-spacing:-.03em}.exam-instructions-card h3{margin:22px 0 10px}.exam-instructions-card ol,.exam-instructions-card ul{line-height:1.7;padding-left:22px}.exam-instructions-card .legend-row{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.exam-instructions-card .legend-chip{border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:var(--soft);font-weight:700}.exam-instructions-card .declaration{margin-top:20px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fafafa;line-height:1.6}.exam-instructions-card .declaration label{display:flex;gap:10px;align-items:flex-start}.exam-instructions-card .declaration input{margin-top:4px}.exam-instructions-card .actions{margin-top:18px;display:flex;justify-content:flex-end;gap:10px}@media(max-width:680px){.exam-instructions-card{margin:14px;padding:18px;border-radius:18px}.exam-instructions-card h2{font-size:24px}.exam-instructions-card .actions{flex-direction:column}.exam-instructions-card .actions .btn{width:100%}}

/* V12.1 short campus website + safe template UX */
.input-prefix{display:flex;align-items:center;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff}.input-prefix span{padding:0 10px;font-size:13px;color:var(--muted);white-space:nowrap;background:#f6f7fb;border-right:1px solid var(--border)}.input-prefix input{border:0!important;border-radius:0!important;min-width:0;flex:1}.mini-label{display:block;font-size:11px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:6px}
.college-banner-preview{min-height:230px;border-radius:22px;background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:28px;color:#fff;overflow:hidden}.college-banner-preview div{display:flex;flex-direction:column;gap:4px}.college-banner-preview span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.84}.college-banner-preview strong{font-size:28px}
.campus-site{background:#fff;min-height:100vh}.campus-site-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #e9edf5}.campus-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:82px}.campus-site-brand{display:flex;align-items:center;gap:12px;color:#111827;text-decoration:none;min-width:0}.campus-site-brand img{width:52px;height:52px;border-radius:14px;object-fit:contain;border:1px solid #e5e7eb;background:#fff}.campus-site-brand div{display:flex;flex-direction:column;min-width:0}.campus-site-brand strong{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:380px}.campus-site-brand span{font-size:12px;color:#687386}.campus-site-nav nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.campus-site-nav nav>a:not(.btn){padding:9px 10px;border-radius:10px;color:#4b5563;text-decoration:none;font-weight:700;font-size:14px}.campus-site-nav nav>a.active,.campus-site-nav nav>a:not(.btn):hover{background:#f1f3f8;color:#111827}
.campus-web-hero{min-height:510px;display:flex;align-items:center;background:linear-gradient(135deg,#eef2ff,#f8fafc);background-size:cover;background-position:center}.campus-web-hero.has-banner{color:#fff}.campus-hero-copy{max-width:760px;padding:70px 0}.campus-hero-copy h1{font-size:clamp(38px,5vw,68px);line-height:1.02;margin:12px 0}.campus-hero-copy>p{font-size:18px;line-height:1.7;max-width:700px}.campus-hero-subtitle{font-weight:800;letter-spacing:.02em}.campus-web-hero.has-banner .kicker{color:#c7d2fe}.campus-web-hero.has-banner .btn.light{background:#fff;color:#111827;border-color:#fff}
.campus-about-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.8fr);gap:44px;align-items:start}.campus-about-grid h2,.section-head h2{font-size:34px;margin:8px 0 14px}.campus-about-grid p{font-size:17px;line-height:1.75;color:#475569}.campus-quick-card{border-radius:22px;background:#111827;color:#fff;padding:28px}.campus-service-list{display:grid;gap:14px;margin-top:18px}.campus-service-list span{padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12)}.text-link{font-weight:800;text-decoration:none;color:#4338ca}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.campus-event-card,.campus-notice-card{height:100%}.campus-event-card h3,.campus-notice-card h3{margin:10px 0}.campus-contact-strip{background:#eef2ff}.campus-contact-strip .container{display:flex;align-items:center;justify-content:space-between;gap:30px}.campus-page-title{padding:66px 0;background:linear-gradient(135deg,#f3f4ff,#f8fafc);border-bottom:1px solid #e9edf5}.campus-page-title h1{font-size:clamp(36px,4vw,56px);margin:10px 0}.campus-page-title p{font-size:18px;color:#64748b}.campus-prose{display:grid;grid-template-columns:180px minmax(0,1fr);gap:42px;align-items:start}.campus-about-logo img{width:160px;height:160px;object-fit:contain;border:1px solid #e5e7eb;border-radius:24px;background:#fff;padding:12px}.rich-copy{font-size:17px;line-height:1.9;color:#334155}.contact-list{display:grid;gap:18px}.contact-list>div{padding-bottom:14px;border-bottom:1px solid var(--border)}.contact-list p{margin:4px 0 0;color:#475569}.contact-actions{display:flex;flex-direction:column;gap:12px}.campus-login-page{max-width:1050px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.campus-login-brand{text-align:center}.campus-login-brand img{width:120px;height:120px;object-fit:contain;border-radius:24px;border:1px solid #e5e7eb;padding:8px;background:#fff}.campus-login-brand h2{font-size:30px}.campus-site-footer{background:#0f172a;color:#e2e8f0;padding:38px 0;margin-top:40px}.campus-site-footer .container{display:grid;grid-template-columns:1.5fr 1fr auto;gap:28px;align-items:start}.campus-site-footer a{color:#e2e8f0;text-decoration:none;margin-right:14px}.campus-site-footer p{color:#94a3b8;margin:6px 0}.campus-site-footer small{color:#94a3b8}
@media(max-width:920px){.campus-nav-inner{align-items:flex-start;padding-top:12px;padding-bottom:12px}.campus-site-nav nav{display:none}.campus-site-brand strong{max-width:230px}.campus-web-hero{min-height:420px}.campus-hero-copy{padding:48px 0}.campus-about-grid,.campus-prose,.campus-login-page{grid-template-columns:1fr}.campus-contact-strip .container{align-items:flex-start;flex-direction:column}.campus-site-footer .container{grid-template-columns:1fr}.campus-about-logo{text-align:center}}

/* V12.6 Tutorial Studio, rich reader, advertisements and academic partners */
.leq-rich-editor{border:1px solid var(--border);border-radius:18px;background:#fff;overflow:hidden}.leq-rich-editor.is-uploading{opacity:.7;pointer-events:none}.rich-toolbar{position:sticky;top:0;z-index:4;display:flex;gap:6px;flex-wrap:wrap;align-items:center;padding:10px;border-bottom:1px solid var(--border);background:#f8fafc}.rich-toolbar button,.rich-toolbar select{height:36px;border:1px solid #d8deea;background:#fff;border-radius:9px;padding:0 10px;font-weight:700;color:#1f2937;cursor:pointer}.rich-toolbar button:hover{background:#eef2ff;border-color:#c7d2fe}.rich-toolbar select{min-width:130px}.rich-canvas{min-height:520px;padding:28px;outline:0;font-size:16px;line-height:1.75;color:#1f2937}.rich-canvas:focus{box-shadow:inset 0 0 0 2px rgba(79,70,229,.12)}.rich-canvas h1,.rich-canvas h2,.rich-canvas h3{line-height:1.22;margin:1.3em 0 .55em}.rich-canvas ul,.rich-canvas ol{padding-left:26px}.rich-canvas blockquote{border-left:4px solid #6366f1;margin:20px 0;padding:10px 16px;background:#f7f7ff;color:#4b5563}.rich-canvas pre{background:#111827;color:#e5e7eb;border-radius:14px;padding:18px;white-space:pre-wrap;overflow:auto;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.rich-canvas figure{margin:24px 0;text-align:center}.rich-canvas figure img{max-width:100%;height:auto;border-radius:14px}.rich-canvas figcaption{font-size:12px;color:#64748b;margin-top:8px}.rich-editor-foot{display:flex;justify-content:space-between;gap:12px;padding:9px 12px;background:#f8fafc;border-top:1px solid var(--border);font-size:11px;color:#64748b}.tutorial-editor-panel{overflow:visible}.subject-chip-row{display:flex;flex-wrap:wrap;gap:10px}.subject-chip{display:flex;gap:8px;align-items:center;border:1px solid var(--border);padding:9px 12px;border-radius:999px;background:#fff}.subject-chip small{color:var(--muted)}

.tutorial-public{background:#f3f5f8;min-height:calc(100vh - 80px)}.tutorial-shell{max-width:1760px;margin:0 auto;display:grid;grid-template-columns:300px minmax(0,900px) 310px;gap:22px;padding:18px 22px 50px}.tutorial-toc{position:sticky;top:92px;height:calc(100vh - 112px);background:#fff;border:1px solid #e2e7ef;border-radius:18px;overflow:hidden;align-self:start}.tutorial-subject-head{display:flex;gap:12px;align-items:center;padding:16px;border-bottom:1px solid #edf0f4;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff}.tutorial-subject-head img,.tutorial-subject-symbol{width:66px;height:58px;border-radius:12px;object-fit:cover;background:#fff;display:grid;place-items:center;font-weight:900;color:#111827}.tutorial-subject-head div{display:flex;flex-direction:column;min-width:0}.tutorial-subject-head span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:#cbd5e1}.tutorial-subject-head strong{font-size:17px;line-height:1.2}.toc-scroll{height:calc(100% - 91px);overflow:auto}.toc-all,.toc-link{display:flex;gap:10px;align-items:center;padding:12px 15px;border-bottom:1px solid #eef1f5;color:#374151;text-decoration:none;font-size:14px}.toc-all{font-weight:800;background:#f8fafc}.toc-link:hover{background:#f8fafc}.toc-link.active{background:#ecfdf3;color:#111827;font-weight:900}.toc-dot{width:7px;height:7px;border-radius:50%;background:#c7cdd8;flex:none}.toc-link.active .toc-dot{background:#22c55e}.tutorial-article{min-width:0}.article-surface{background:#fff;border:1px solid #e2e7ef;border-radius:18px;padding:34px 40px;box-shadow:0 8px 30px rgba(15,23,42,.04)}.article-breadcrumb{display:flex;gap:8px;align-items:center;font-size:12px;color:#64748b;margin-bottom:16px}.article-breadcrumb a{color:#4f46e5;text-decoration:none;font-weight:700}.article-title-row h1{font-size:clamp(32px,4vw,52px);line-height:1.06;letter-spacing:-.04em;margin:12px 0}.article-summary{font-size:18px;color:#64748b;line-height:1.7;margin-bottom:28px}.rich-tutorial{font-size:17px;line-height:1.85;color:#2b3442}.rich-tutorial h1,.rich-tutorial h2,.rich-tutorial h3,.rich-tutorial h4{color:#111827;line-height:1.2;letter-spacing:-.025em;margin:1.45em 0 .55em}.rich-tutorial h2{font-size:30px;border-top:1px solid #eef1f5;padding-top:26px}.rich-tutorial h3{font-size:23px}.rich-tutorial p{margin:0 0 1.05em}.rich-tutorial ul,.rich-tutorial ol{padding-left:28px;margin:0 0 1.25em}.rich-tutorial li{padding:3px 0}.rich-tutorial blockquote{margin:24px 0;padding:16px 20px;border-left:4px solid #6366f1;background:#f6f7ff;border-radius:0 14px 14px 0}.rich-tutorial figure{margin:28px 0;text-align:center}.rich-tutorial figure img,.rich-tutorial>img{max-width:100%;height:auto;border-radius:16px;box-shadow:0 10px 30px rgba(15,23,42,.08)}.rich-tutorial figcaption{margin-top:8px;color:#64748b;font-size:12px}.rich-tutorial table{width:100%;border-collapse:collapse;margin:22px 0}.rich-tutorial th,.rich-tutorial td{border:1px solid #dfe5ed;padding:10px 12px;text-align:left}.rich-tutorial th{background:#f8fafc}.tutorial-code-card{margin:24px 0;border-radius:18px;overflow:hidden;background:#27272a;box-shadow:0 14px 34px rgba(15,23,42,.15)}.tutorial-code-card pre{margin:0!important;border-radius:0!important;background:#27272a!important;color:#f4f4f5!important;padding:28px!important;overflow:auto}.tutorial-code-card code{font:14px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace}.tutorial-code-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#3f3f46;padding:10px 14px}.code-window-dots{display:flex;gap:7px;align-items:center}.code-window-dots i{width:12px;height:12px;border-radius:50%;display:block}.code-window-dots i:nth-child(1){background:#ff5f57}.code-window-dots i:nth-child(2){background:#febc2e}.code-window-dots i:nth-child(3){background:#28c840}.code-window-dots span{margin-left:8px;color:#d4d4d8;font-size:11px;font-weight:800;letter-spacing:.08em}.tutorial-code-actions{display:flex;gap:8px}.code-mini-btn,.code-run-btn{border:0;border-radius:9px;padding:7px 10px;font-size:11px;font-weight:800;cursor:pointer}.code-mini-btn{background:#52525b;color:#fff}.code-run-btn{background:#fff;color:#18181b}.tutorial-pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:40px;padding-top:24px;border-top:1px solid #edf0f4}.pager-card{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid #e1e6ee;border-radius:14px;text-decoration:none;color:#111827;background:#fafbfc}.pager-card.next{text-align:right}.pager-card small{color:#64748b}.tutorial-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:92px;align-self:start}.side-card,.tutorial-ad{background:#fff;border:1px solid #e2e7ef;border-radius:18px;padding:20px}.side-card h3{margin:12px 0 8px}.side-card p{color:#64748b;line-height:1.55;font-size:14px}.side-icon{width:48px;height:48px;border-radius:14px;background:#eef2ff;display:grid;place-items:center;font-size:22px}.tutorial-ad{padding:10px}.tutorial-ad>span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:#94a3b8;padding:0 3px 7px}.tutorial-ad img{width:100%;height:auto;display:block;border-radius:12px}.v126-subject-card{display:flex!important;align-items:flex-start;gap:16px}.subject-cover{width:82px;height:82px;border-radius:18px;object-fit:cover;flex:none}.v126-subject-card>div:last-child{min-width:0;flex:1}

.partner-strip{padding:54px 0 44px;background:#fff;border-top:1px solid #edf0f4}.partner-head{text-align:center;max-width:760px;margin:0 auto 28px}.partner-head h2{font-size:32px;margin:8px 0}.partner-head p{color:#64748b}.partner-logo-row{display:flex;gap:16px;overflow-x:auto;padding:6px 2px 12px;scroll-snap-type:x proximity}.partner-logo-card{min-width:170px;max-width:200px;scroll-snap-align:start;border:1px solid #e2e7ef;border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center;text-decoration:none;color:#111827;background:#fff}.partner-logo-card img{width:82px;height:70px;object-fit:contain}.partner-logo-card span{font-size:12px;font-weight:800;line-height:1.3}.ad-admin-list{display:grid;gap:12px}.ad-admin-row{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;padding:10px;border:1px solid var(--border);border-radius:14px}.ad-admin-row img{width:120px;height:80px;object-fit:cover;border-radius:10px}.ad-admin-row>div:nth-child(2){display:flex;flex-direction:column;gap:4px}.ad-admin-row small{color:var(--muted)}.partner-admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.partner-admin-card{border:1px solid var(--border);border-radius:16px;padding:16px;display:grid;gap:10px}.partner-admin-card>img{width:90px;height:70px;object-fit:contain;border:1px solid #e5e7eb;border-radius:12px;padding:6px;background:#fff}

@media(max-width:1280px){.tutorial-shell{grid-template-columns:260px minmax(0,1fr)}.tutorial-side{grid-column:2;position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.tutorial-ad{grid-column:auto}}
@media(max-width:900px){.tutorial-shell{display:block;padding:12px}.tutorial-toc{position:static;height:auto;margin-bottom:14px}.toc-scroll{max-height:300px}.tutorial-side{display:grid;grid-template-columns:1fr 1fr;margin-top:14px}.article-surface{padding:24px}.rich-canvas{min-height:420px;padding:20px}.rich-toolbar{position:static}.ad-admin-row{grid-template-columns:90px 1fr}.ad-admin-row img{width:90px;height:70px}.ad-admin-row .action-row{grid-column:1/-1}}
@media(max-width:620px){.tutorial-side{grid-template-columns:1fr}.article-surface{padding:18px;border-radius:14px}.article-title-row h1{font-size:34px}.rich-tutorial{font-size:16px}.rich-tutorial h2{font-size:25px}.tutorial-pager{grid-template-columns:1fr}.rich-toolbar button{padding:0 8px}.rich-editor-foot{flex-direction:column}.v126-subject-card{flex-direction:column}.subject-cover{width:100%;height:150px}.partner-logo-card{min-width:145px}.tutorial-code-bar{align-items:flex-start;flex-direction:column}.tutorial-code-actions{width:100%}.code-run-btn{margin-left:auto}}

/* V12.6.2 Tutorial Admin GUI + learner-only editable/runnable code examples */
.tutorial-admin-topbar{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin:4px 0 18px;padding:24px 28px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(135deg,#fff,#f7f8ff)}
.tutorial-admin-topbar h1{margin:5px 0 8px;font-size:clamp(28px,3vw,42px);letter-spacing:-.035em}.tutorial-admin-topbar p{margin:0;color:var(--muted);max-width:760px}.tutorial-admin-top-actions{display:flex;gap:10px;flex-wrap:wrap}.tutorial-admin-stats{margin-bottom:18px}.tutorial-admin-layout{display:grid;gap:18px;min-width:0}
.tutorial-admin-accordion{border:1px solid var(--border);border-radius:20px;background:#fff;overflow:hidden}.tutorial-admin-accordion>summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff}.tutorial-admin-accordion>summary::-webkit-details-marker{display:none}.tutorial-admin-accordion>summary>div{display:flex;align-items:center;gap:13px;min-width:0}.tutorial-admin-accordion>summary b{display:block;font-size:18px}.tutorial-admin-accordion>summary small{display:block;margin-top:3px;color:var(--muted);font-size:12px}.tutorial-admin-accordion[open]>summary{border-bottom:1px solid var(--border);background:#fbfcff}.summary-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eef2ff;flex:none}.summary-meta{font-size:12px;font-weight:800;color:#5b6475;padding:7px 10px;border-radius:999px;background:#f4f6fa;white-space:nowrap}.accordion-body{padding:22px}.field-help{display:block;margin-top:6px;color:var(--muted);font-size:11px;line-height:1.45}.tutorial-inline-check{padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#f8fafc}
.subject-master-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px}.subject-master-card{display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:11px;align-items:center;padding:12px;border:1px solid var(--border);border-radius:14px;background:#fff}.subject-master-icon{width:46px;height:46px;border-radius:12px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:900;font-size:12px}.subject-master-copy{display:flex;flex-direction:column;min-width:0}.subject-master-copy b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.subject-master-copy span{font-size:11px;color:var(--muted)}.subject-master-copy small{font-size:10px;color:#4f46e5;font-weight:800;margin-top:2px}
.tutorial-rights-grid{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:16px}.soft-panel{background:#f8fafc;box-shadow:none}.assignment-stack{display:grid;gap:9px;align-content:start}.assignment-card{display:flex;justify-content:space-between;gap:12px;align-items:center;border:1px solid var(--border);border-radius:13px;padding:12px;background:#fff}.assignment-card>div{display:flex;flex-direction:column;min-width:0}.assignment-card span{font-size:11px;color:var(--muted)}.assignment-card small{font-size:10px;color:#4f46e5;font-weight:800;margin-top:3px}.mini-empty{padding:22px;border:1px dashed #cbd5e1;border-radius:14px;background:#f8fafc;color:#64748b;text-align:center}
.tutorial-admin-editor{overflow:visible}.tutorial-admin-editor .panel-head{align-items:flex-start}.tutorial-editor-note{margin:0 0 18px;padding:12px 14px;border:1px solid #c7d2fe;border-radius:13px;background:#eef2ff;color:#3730a3;font-size:12px;line-height:1.55}.tutorial-admin-editor .leq-rich-editor{box-shadow:0 10px 28px rgba(15,23,42,.05)}
.tutorial-list-accordion>summary{background:linear-gradient(135deg,#fff,#f8fafc)}.tutorial-list-toolbar{display:grid;grid-template-columns:220px 180px minmax(240px,1fr) auto;gap:12px;align-items:end;margin-bottom:16px;padding:14px;border:1px solid var(--border);border-radius:15px;background:#f8fafc}.tutorial-list-toolbar .field{margin:0}.tutorial-admin-cards{display:grid;gap:12px}.tutorial-admin-card{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;border:1px solid var(--border);border-radius:16px;padding:16px;background:#fff;transition:.15s ease}.tutorial-admin-card:hover{border-color:#c7d2fe;box-shadow:0 8px 24px rgba(15,23,42,.05)}.tutorial-card-title-row{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.tutorial-card-title-row h3{margin:5px 0 4px;font-size:18px}.tutorial-card-subject{font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#4f46e5}.tutorial-card-main p{margin:7px 0 11px;color:var(--muted);font-size:13px;line-height:1.55}.tutorial-card-meta{display:flex;flex-wrap:wrap;gap:7px}.tutorial-card-meta span{font-size:10px;padding:5px 8px;border-radius:999px;background:#f1f5f9;color:#475569}.tutorial-card-actions{display:flex;gap:8px;align-items:flex-start;justify-content:flex-end;flex-wrap:wrap}.tutorial-review-form{display:grid;gap:7px;min-width:210px}.tutorial-review-form>input{width:100%}.tutorial-review-form .action-row{gap:5px;flex-wrap:wrap}
.tutorial-example-workbench{border-top:1px solid #4b5563;background:#111827;padding:14px}.tutorial-example-workbench[hidden]{display:none}.tutorial-example-note{font-size:11px;line-height:1.5;color:#c7d2fe;background:#1e293b;border:1px solid #334155;border-radius:10px;padding:9px 11px;margin-bottom:10px}.tutorial-example-editor,.tutorial-example-stdin{width:100%;border:1px solid #374151;border-radius:10px;background:#0b1220;color:#e5e7eb;padding:14px;font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;resize:vertical}.tutorial-example-editor{min-height:220px}.tutorial-example-stdin{min-height:70px;margin-top:8px}.tutorial-example-actions{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.tutorial-example-output{min-height:70px;max-height:280px;overflow:auto;margin:0!important;padding:12px!important;border-radius:10px!important;background:#020617!important;color:#d1fae5!important;white-space:pre-wrap!important}.tutorial-example-preview{width:100%;height:280px;border:0;border-radius:10px;background:#fff;margin-bottom:10px}
@media(max-width:1200px){.subject-master-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tutorial-admin-card{grid-template-columns:1fr}.tutorial-card-actions{justify-content:flex-start}.tutorial-list-toolbar{grid-template-columns:1fr 1fr}.tutorial-list-toolbar .tutorial-search-field{grid-column:1/-1}}
@media(max-width:780px){.tutorial-admin-topbar{flex-direction:column;padding:18px}.tutorial-admin-top-actions{width:100%}.tutorial-admin-top-actions .btn{flex:1}.subject-master-grid{grid-template-columns:1fr}.tutorial-rights-grid{grid-template-columns:1fr}.tutorial-list-toolbar{grid-template-columns:1fr}.tutorial-list-toolbar .tutorial-search-field{grid-column:auto}.accordion-body{padding:14px}.tutorial-admin-accordion>summary{align-items:flex-start}.summary-meta{display:none}.tutorial-admin-card{padding:13px}.tutorial-card-title-row{flex-direction:column}.tutorial-example-actions .btn{flex:1 1 44%}}