:root{--bg:#000;--surface:#090909;--surface-2:#101010;--surface-3:#161616;--text:#fff;--muted:#929292;--faint:#666;--border:rgba(255,255,255,.09);--border-strong:rgba(255,255,255,.16);--blue:#0099ff;--blue-soft:rgba(0,153,255,.12);--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--sidebar:240px;--radius:8px;--radius-lg:12px;--shadow:0 20px 25px -5px rgba(0,0,0,.45);color-scheme:dark}
[data-theme=light]{--bg:#f5f5f5;--surface:#fff;--surface-2:#f4f4f4;--surface-3:#ececec;--text:#1a1a1a;--muted:#686868;--faint:#909090;--border:rgba(0,0,0,.1);--border-strong:rgba(0,0,0,.18);--blue-soft:rgba(0,153,255,.09);--shadow:0 10px 25px rgba(0,0,0,.09);color-scheme:light}
*{box-sizing:border-box}[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button,a{touch-action:manipulation}
::selection{background:var(--blue);color:#fff}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:99px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;letter-spacing:-.02em}
.brand-mark{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--text);color:var(--bg);font-size:14px;font-weight:800}
.button{border:1px solid var(--border-strong);border-radius:8px;min-height:44px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;background:transparent;color:var(--text);font-weight:600;cursor:pointer;transition:.18s ease;white-space:nowrap}
.button:hover{border-color:var(--text);transform:translateY(-1px)}
.button-primary{background:var(--text);border-color:var(--text);color:var(--bg)}
.button-primary:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.button-ghost{background:var(--surface)}
.button-sm{min-height:36px;padding:0 14px;font-size:13px}
.button-block{width:100%}.button:disabled{opacity:.38;cursor:not-allowed;transform:none}
.icon-button{width:38px;height:38px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--text);display:inline-grid;place-items:center;cursor:pointer;transition:.18s}
.icon-button:hover{background:var(--surface-2);border-color:var(--border-strong)}
.eyebrow,.panel-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.eyebrow i{width:6px;height:6px;background:var(--blue);border-radius:50%;box-shadow:0 0 0 4px var(--blue-soft)}
.pill,.chip{display:inline-flex;align-items:center;min-height:25px;border:1px solid var(--border);border-radius:100px;padding:0 9px;color:var(--muted);font-size:11px;font-weight:600;text-transform:capitalize;background:var(--surface)}
.chip{min-height:34px;cursor:pointer;padding:0 13px}
.chip.active,.chip:hover{background:var(--text);color:var(--bg);border-color:var(--text)}
.panel{border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.progress{height:4px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.progress i{display:block;height:100%;background:var(--blue);border-radius:inherit}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:700}

/* Public */
.public-nav{height:72px;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.public-nav nav{display:flex;gap:28px;color:var(--muted);font-size:13px}
.public-nav nav a:hover{color:var(--text)}
.nav-actions,.top-actions{display:flex;align-items:center;gap:8px}
.hero{min-height:calc(100vh - 72px);display:grid;place-items:center;padding:72px 28px;border-bottom:1px solid var(--border);background:radial-gradient(circle at 70% 30%,rgba(0,153,255,.08),transparent 25%),linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:auto,48px 48px,48px 48px;background-position:center}
.hero-grid{width:min(1184px,100%);display:grid;grid-template-columns:1.02fr .98fr;gap:84px;align-items:center}
.hero-copy h1{font-size:clamp(46px,6vw,76px);line-height:1.02;letter-spacing:-.06em;margin:26px 0 24px}
.hero-copy h1 span{color:var(--muted)}
.hero-copy>p{max-width:610px;color:var(--muted);font-size:17px;line-height:1.7}
.hero-actions{display:flex;gap:10px;margin:34px 0 48px}
.trust-row{display:flex;gap:42px;padding-top:26px;border-top:1px solid var(--border)}
.trust-row div{display:flex;flex-direction:column}
.trust-row strong{font-size:22px;line-height:1}
.trust-row span{font-size:11px;color:var(--muted);margin-top:8px;text-transform:uppercase;letter-spacing:.08em}
.hero-console{background:#080808;border:1px solid rgba(255,255,255,.15);border-radius:12px;box-shadow:0 40px 100px rgba(0,0,0,.55);overflow:hidden;transform:perspective(1000px) rotateY(-2deg) rotateX(1deg);color:#fff}
.console-head{height:50px;display:flex;align-items:center;justify-content:space-between;padding:0 17px;border-bottom:1px solid rgba(255,255,255,.08)}
.console-head>span{display:flex;gap:5px}.console-head i{width:7px;height:7px;background:#2b2b2b;border-radius:50%}.console-head small{color:#777;font-size:10px}.console-head b{font-size:9px;color:#10b981;background:rgba(16,185,129,.1);padding:3px 7px;border-radius:99px;text-transform:uppercase}
.console-body{padding:28px}
.console-kicker{color:#666;font-size:9px;letter-spacing:.15em;font-weight:600}
.console-score{display:flex;align-items:flex-end;justify-content:space-between;margin:8px 0 27px}
.console-score strong{font-size:54px;letter-spacing:-.06em}.console-score strong span{font-size:20px;color:#777}.console-score small{color:#10b981;font-size:10px;margin-bottom:10px}
.bars{display:grid;gap:16px}
.bars div{display:grid;grid-template-columns:1fr auto;gap:7px;color:#aaa;font-size:10px}
.bars b{color:#fff}.bars i{grid-column:1/-1;height:5px;background:#171717;border-radius:99px;overflow:hidden}.bars i:after{content:"";display:block;width:var(--value);height:100%;background:#0099ff;border-radius:99px}
.bars div:nth-child(2) i:after{opacity:.5}.bars div:nth-child(3) i:after{opacity:.25}
.diagnostic-card{margin-top:26px;padding:16px;border:1px solid rgba(255,255,255,.09);border-radius:8px;background:#0d0d0d;display:flex;align-items:center;gap:13px}
.diagnostic-icon{width:31px;height:31px;border:1px solid #0099ff;color:#0099ff;border-radius:50%;display:grid;place-items:center}
.diagnostic-card div{flex:1;display:flex;flex-direction:column}.diagnostic-card small{font-size:8px;color:#666;letter-spacing:.12em}.diagnostic-card strong{font-size:12px;margin:2px 0}.diagnostic-card div span{font-size:9px;color:#777}
.section-wrap{max-width:1240px;margin:auto;padding:108px 28px}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:46px}
.section-heading h2,.insight-band h2{font-size:clamp(34px,4vw,50px);line-height:1.1;letter-spacing:-.045em;margin:12px 0 0}
.section-heading>p{max-width:450px;color:var(--muted);font-size:15px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.feature-grid article{position:relative;padding:32px;min-height:330px;background:var(--surface);border-right:1px solid var(--border)}
.feature-grid article:last-child{border:0}
.step{position:absolute;right:24px;top:24px;color:var(--faint);font-size:11px}
.feature-symbol{width:46px;height:46px;border:1px solid var(--border-strong);border-radius:8px;display:grid;place-items:center;font-size:18px;font-weight:600;margin-bottom:68px}
.feature-grid h3{font-size:18px;margin:0 0 11px}.feature-grid p{color:var(--muted);min-height:62px}.feature-grid a,.text-link{font-size:12px;color:var(--blue);font-weight:600}
.insight-band{max-width:1184px;margin:0 auto 108px;padding:70px;display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:12px}
.insight-band>div>p{color:var(--muted);font-size:15px;max-width:500px}
.matrix{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:5px;padding:26px 0 0 26px}
.matrix-cell{aspect-ratio:1.6;display:flex;flex-direction:column;justify-content:flex-end;padding:14px;border:1px solid var(--border);background:var(--surface-2);font-size:12px;font-weight:600}
.matrix-cell small{color:var(--muted);font-size:9px;margin-top:2px}.matrix-cell.accent{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}.matrix-cell.bright{background:var(--text);color:var(--bg)}.matrix-cell.bright small{color:var(--bg);opacity:.6}.matrix-cell.dim{opacity:.45}
.axis{position:absolute;color:var(--faint);font-size:8px;letter-spacing:.15em}.axis-y{left:0;top:50%;transform:rotate(-90deg) translateX(-50%)}.axis-x{bottom:-18px;left:56%}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.course-card{border:1px solid var(--border);border-radius:12px;background:var(--surface);overflow:hidden;transition:.2s}.course-card:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.course-thumb{height:160px;background:linear-gradient(135deg,#101010,#050505);position:relative;display:grid;place-items:center;color:#fff}.course-thumb>span{font-size:42px;font-weight:700;letter-spacing:-.08em}.course-thumb small{position:absolute;left:14px;bottom:12px;color:#777}
[data-theme=light] .course-thumb{background:linear-gradient(135deg,#222,#080808)}
.course-card-body{padding:20px}.course-card h3{font-size:17px;margin:12px 0 7px}.course-card p{color:var(--muted);font-size:12px;min-height:56px}.course-card footer{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding-top:13px;color:var(--muted);font-size:10px}.course-card footer b{font-weight:500}
.public-footer{max-width:1184px;margin:auto;padding:36px 0;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);color:var(--muted);font-size:11px}.public-footer p{max-width:420px;text-align:center}
.public-page-header{text-align:center;max-width:880px;margin:0 auto;padding:96px 28px 40px}.public-page-header h1{font-size:52px;letter-spacing:-.05em;margin:14px 0}.public-page-header>p{color:var(--muted);font-size:16px}
.search-bar{margin:34px auto 0;max-width:650px;height:54px;padding:6px 6px 6px 18px;border:1px solid var(--border-strong);border-radius:9px;background:var(--surface);display:flex;align-items:center;gap:10px}.search-bar input{flex:1;background:transparent;border:0;outline:0}.library-wrap{padding-top:28px}.filter-row{display:flex;align-items:center;gap:8px;margin-bottom:30px}.filter-row>span{margin-left:auto;color:var(--muted);font-size:12px}.filter-row>span b{color:var(--text)}.span-all{grid-column:1/-1}
.auth-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.auth-visual{padding:42px 58px;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(circle at 70% 55%,rgba(0,153,255,.1),transparent 30%),#050505;color:#fff;border-right:1px solid rgba(255,255,255,.08)}
.auth-statement h1{font-size:clamp(42px,5vw,66px);line-height:1.05;letter-spacing:-.055em;max-width:620px;margin:22px 0}.auth-statement p{max-width:540px;color:#888;font-size:16px}.auth-quote{font-size:11px;color:#666}
.auth-panel{display:grid;place-items:center;padding:36px;background:var(--bg)}.auth-card{width:min(420px,100%)}.auth-card h2{font-size:30px;letter-spacing:-.04em;margin:10px 0 7px}.auth-card>div>p,.auth-help{color:var(--muted)}
.form-stack{display:grid;gap:18px;margin-top:30px}label{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:500}input,textarea,select{width:100%;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);padding:11px 12px;outline:0;transition:.15s}input{height:44px}textarea{resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}label>span{position:relative;display:block}.password-toggle{position:absolute;right:8px;top:7px;height:30px;border:0;background:transparent;color:var(--muted);font-size:11px;cursor:pointer}.form-row-between{display:flex;align-items:center;justify-content:space-between;font-size:11px}.form-row-between a,.auth-help a{color:var(--blue)}.check{display:flex;grid-template-columns:auto 1fr;align-items:center;gap:7px}.check input{width:14px;height:14px}.demo-box{margin-top:26px;padding:13px 15px;border:1px solid var(--border);border-radius:8px;background:var(--surface);font-size:11px}.demo-box p{margin:4px 0 0;color:var(--muted)}code{color:var(--blue);font-family:inherit}.auth-help{display:block;text-align:center;margin-top:20px;font-size:11px}

/* App shell */
.app-shell{padding-left:var(--sidebar);padding-top:64px}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:var(--surface);border-right:1px solid var(--border);z-index:50;display:flex;flex-direction:column;padding:20px 14px}
.sidebar>.brand{padding:2px 10px 25px}
.side-nav{display:flex;flex-direction:column;gap:3px}
.nav-label{font-size:9px;color:var(--faint);letter-spacing:.15em;text-transform:uppercase;padding:18px 10px 7px}
.side-nav a{display:flex;align-items:center;gap:11px;min-height:40px;padding:0 11px;border-radius:7px;color:var(--muted);font-size:12px;font-weight:500}.side-nav a>span{width:18px;text-align:center;font-size:14px}.side-nav a:hover,.side-nav a.is-active{background:var(--surface-2);color:var(--text)}.side-nav a.is-active{box-shadow:inset 2px 0 var(--blue)}
.sidebar-foot{margin-top:auto}.connection-indicator{display:flex;align-items:center;gap:8px;padding:11px;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.08em}.connection-indicator i{width:6px;height:6px;border-radius:50%;background:var(--success)}.connection-indicator.offline i{background:var(--danger)}
.user-compact{border-top:1px solid var(--border);padding:16px 8px 2px;display:flex;align-items:center;gap:10px}.user-compact>span:last-child{display:flex;flex-direction:column;min-width:0}.user-compact strong{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-compact small{font-size:9px;color:var(--muted)}
.topbar{position:fixed;z-index:40;left:var(--sidebar);right:0;top:0;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.breadcrumb{display:flex;align-items:center;gap:9px;font-size:11px}.breadcrumb span,.breadcrumb b{color:var(--faint)}.breadcrumb strong{font-weight:500}.menu-toggle{display:none}.notification-button{position:relative}.notification-button i{position:absolute;right:7px;top:7px;width:5px;height:5px;border-radius:50%;background:var(--blue)}
.main-content{width:min(1480px,100%);margin:auto;padding:36px 34px 70px}
.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:36px}.page-heading h1{font-size:38px;letter-spacing:-.05em;margin:7px 0 3px;line-height:1.15}.page-heading p{margin:0;color:var(--muted);font-size:13px}.page-heading.compact{margin-bottom:27px}
.toast{position:fixed;z-index:100;right:24px;top:82px;display:flex;align-items:center;gap:14px;min-width:300px;padding:13px 14px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface-2);box-shadow:var(--shadow);font-size:12px}.toast:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}.toast.error:before{background:var(--danger)}.toast button{margin-left:auto;border:0;background:transparent;color:var(--muted);cursor:pointer}.toast.floating{top:25px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}.metric-grid article,.report-summary article{padding:20px;border:1px solid var(--border);border-radius:10px;background:var(--surface);display:flex;flex-direction:column}.metric-grid article>span,.report-summary span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.09em}.metric-grid strong,.report-summary strong{font-size:30px;letter-spacing:-.04em;margin:12px 0 6px}.metric-grid small{font-size:10px;color:var(--muted)}.metric-grid .up{color:var(--success);font-style:normal}.alert-dot{display:inline-block;width:5px;height:5px;background:var(--blue);border-radius:50%;margin-right:4px}
.dashboard-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}.dashboard-grid>.panel{padding:22px}.panel>header,.subtopic-panel>header,.question-table>header{display:flex;align-items:center;justify-content:space-between;gap:15px}.panel h2{font-size:15px;margin:4px 0 0}.panel header select{width:auto;height:34px;padding:0 30px 0 10px;font-size:10px}.panel header a{font-size:10px;color:var(--blue)}
.understanding-content{display:flex;align-items:center;gap:50px;min-height:260px}.donut-wrap{padding-left:30px}.donut{--understood:0;--not-understood:0;width:158px;height:158px;border-radius:50%;background:conic-gradient(var(--blue) 0 calc(var(--understood)*1%),rgba(0,153,255,.45) calc(var(--understood)*1%) calc((var(--understood) + var(--not-understood))*1%),rgba(0,153,255,.15) 0);display:grid;place-items:center;position:relative}.donut:after{content:"";position:absolute;inset:19px;border-radius:50%;background:var(--surface)}.donut>div{position:relative;z-index:2;text-align:center}.donut strong{display:block;font-size:27px;letter-spacing:-.04em}.donut span{font-size:9px;color:var(--muted)}
.legend{flex:1;display:grid;gap:18px}.legend>div{display:grid;grid-template-columns:1fr auto;gap:2px;border-bottom:1px solid var(--border);padding-bottom:10px}.legend>div>span{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:10px}.legend i{width:7px;height:7px;background:var(--blue);border-radius:2px}.legend>div:nth-child(2) i{opacity:.45}.legend>div:nth-child(3) i{opacity:.15}.legend strong{font-size:13px}.legend small{grid-column:1/-1;color:var(--faint);font-size:9px;padding-left:15px}
.rank-list{display:grid;margin-top:23px}.rank-list>div{display:grid;grid-template-columns:24px 1fr auto;gap:11px;align-items:center;padding:11px 0;border-bottom:1px solid var(--border)}.rank-list>div:last-child{border:0}.rank{font-size:9px;color:var(--faint)}.rank-list>div>div{display:grid;grid-template-columns:1fr;gap:7px}.rank-list strong{font-size:10px}.rank-list>div>span:last-child{font-size:9px;color:var(--muted)}.rank-list i{height:3px;background:var(--surface-3);border-radius:99px;overflow:hidden}.rank-list i b{display:block;height:100%;background:var(--blue)}
.timeline{display:grid;margin-top:17px}.timeline>div{display:flex;gap:12px;padding:11px 0}.timeline-dot{width:7px;height:7px;border:2px solid var(--blue);border-radius:50%;margin-top:5px}.timeline p{margin:0;font-size:10px;color:var(--muted)}.timeline p strong{color:var(--text)}.timeline small{display:block;color:var(--faint);margin-top:3px}
.quick-links{display:grid;margin-top:16px}.quick-links>a{display:flex;align-items:center;gap:11px;padding:11px 0;border-bottom:1px solid var(--border)}.quick-links>a:last-child{border:0}.quick-links>a>span{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--border);border-radius:7px}.quick-links div{flex:1;display:flex;flex-direction:column}.quick-links strong{font-size:10px}.quick-links small{font-size:9px;color:var(--muted)}.quick-links b{font-weight:400;color:var(--muted)}
.mini-empty{padding:28px 5px!important;color:var(--muted);font-size:11px;line-height:1.7}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.toolbar>div{display:flex;gap:7px}.search-inline{height:36px;min-width:230px;border:1px solid var(--border);border-radius:7px;background:var(--surface);display:flex;align-items:center;gap:7px;padding:0 10px;color:var(--muted)}.search-inline input{height:auto;padding:0;border:0;background:transparent;box-shadow:none}
.course-list{display:grid;gap:10px}.course-list>article{display:grid;grid-template-columns:82px 1fr auto;gap:20px;align-items:center;padding:17px;border:1px solid var(--border);border-radius:10px;background:var(--surface);transition:.15s}.course-list>article:hover{border-color:var(--border-strong)}.course-list-thumb{width:82px;height:82px;border-radius:7px;background:#111;color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700}.course-main>div{display:flex;gap:8px;align-items:center}.course-main .meta{font-size:9px;color:var(--faint);text-transform:uppercase}.course-main h2{font-size:15px;margin:7px 0 3px}.course-main p{margin:0;color:var(--muted);font-size:10px}.course-main footer{display:flex;gap:18px;color:var(--faint);font-size:9px;margin-top:9px}.course-actions{display:flex;gap:6px}
.status-published{color:var(--success);background:rgba(16,185,129,.08)}.status-draft{color:var(--muted)}
.empty-state{min-height:340px;border:1px dashed var(--border-strong);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.empty-state>span{width:48px;height:48px;border:1px solid var(--border);border-radius:9px;display:grid;place-items:center;font-size:19px}.empty-state h3{margin:18px 0 5px}.empty-state p{color:var(--muted);max-width:390px;margin:0 0 20px}.empty-state.compact{min-height:250px;border:0}
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.modal{width:min(720px,calc(100% - 28px));max-height:90vh;border:1px solid var(--border-strong);border-radius:12px;padding:0;background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.modal::backdrop{background:rgba(0,0,0,.75);backdrop-filter:blur(5px)}.modal>form>header,.modal>form>footer{padding:18px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.modal>form>footer{border:0;border-top:1px solid var(--border);justify-content:flex-end;gap:8px}.modal h2{font-size:18px;margin:3px 0}.modal-body{padding:0 22px 24px;max-height:65vh;overflow:auto}.ql-toolbar.ql-snow,.ql-container.ql-snow{border-color:var(--border)!important}.ql-toolbar{border-radius:8px 8px 0 0}.ql-container{border-radius:0 0 8px 8px;min-height:150px;font-size:13px}.ql-snow .ql-stroke{stroke:var(--muted)}.ql-snow .ql-fill{fill:var(--muted)}.ql-editor.ql-blank:before{color:var(--faint)}
.tier-explainer{display:grid;grid-template-columns:repeat(9,auto);align-items:center;justify-content:center;gap:13px;padding:18px;border:1px solid var(--border);background:var(--surface);border-radius:10px;margin-bottom:14px}.tier-explainer div{display:flex;align-items:center;gap:7px}.tier-explainer div span{width:25px;height:25px;border:1px solid var(--border-strong);border-radius:50%;display:grid;place-items:center;color:var(--blue);font-size:9px}.tier-explainer strong{font-size:9px}.tier-explainer>i{width:25px;height:1px;background:var(--border)}
.question-table{overflow:hidden}.question-table>header{padding:19px 22px;border-bottom:1px solid var(--border)}.data-table{overflow:auto}.data-table table{width:100%;border-collapse:collapse;white-space:nowrap}.data-table th{text-align:left;padding:11px 16px;background:var(--surface-2);color:var(--faint);font-size:9px;text-transform:uppercase;letter-spacing:.08em}.data-table td{padding:13px 16px;border-top:1px solid var(--border);font-size:10px;color:var(--muted)}.data-table td strong{color:var(--text);font-size:10px}.data-table td small{display:block;color:var(--faint);font-size:8px;margin-top:3px}.data-table tbody tr:hover{background:var(--surface-2)}
.table-actions{display:flex;align-items:center;gap:4px}.table-actions form{display:inline-flex;margin:0}.order-number{width:25px;height:25px;border:1px solid var(--border);border-radius:6px;display:grid;place-items:center;color:var(--muted);font-size:9px}.question-modal{width:min(820px,calc(100% - 28px))}.question-form{display:grid;gap:16px;padding-top:20px}.question-form-intro{padding:13px 15px;border:1px solid var(--border);border-radius:8px;background:var(--blue-soft)}.question-form-intro strong{font-size:10px;color:var(--blue)}.question-form-intro p{margin:3px 0 0;color:var(--muted);font-size:9px}.tier-editor{display:grid;gap:13px;margin:0;padding:17px;border:1px solid var(--border);border-radius:9px}.tier-editor legend{padding:0 8px 0 0;color:var(--text);font-size:11px;font-weight:600}.tier-editor legend span{display:inline-grid;place-items:center;width:23px;height:23px;margin-right:6px;border:1px solid var(--blue);border-radius:50%;color:var(--blue);font-size:9px}
.member-count{padding:0;border:0;background:transparent;color:var(--blue);font-size:11px;font-weight:600;cursor:pointer}.member-count:hover{text-decoration:underline}.class-info-body{display:grid;gap:22px;padding-top:20px}.class-info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.class-info-grid>div{display:flex;flex-direction:column;gap:4px;padding:13px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2)}.class-info-grid small{color:var(--muted);font-size:8px;text-transform:uppercase;letter-spacing:.08em}.class-info-grid strong{font-size:11px}.member-list-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.member-list-heading h3{margin:3px 0 0;font-size:17px}.member-list-heading>small{color:var(--muted);font-size:8px}.class-member-list{display:grid;gap:7px}.class-member-item{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);border-radius:8px}.class-member-item>div{display:flex;flex-direction:column;min-width:0}.class-member-item strong{font-size:10px}.class-member-item small{color:var(--muted);font-size:8px}.class-member-empty{padding:24px;border:1px dashed var(--border-strong);border-radius:8px;color:var(--muted);text-align:center;font-size:10px}.status-unassigned{color:var(--warning);background:rgba(245,158,11,.08)}
.media-upload{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:14px;border:1px dashed var(--border-strong);border-radius:9px;background:var(--surface-2)}.media-upload strong,.option-builder-heading strong{display:block;font-size:10px;color:var(--text)}.media-upload strong small{color:var(--muted);font-weight:400}.media-upload p,.option-builder-heading small{display:block;margin:3px 0 0;color:var(--muted);font-size:8px}.media-picker{position:relative;overflow:hidden}.media-picker input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.media-preview{position:relative;grid-column:1/-1;width:min(100%,420px);margin:2px 0 0;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--surface)}.media-preview[hidden]{display:none}.media-preview img{display:block;width:100%;max-height:260px;object-fit:contain;background:var(--surface-2)}.media-preview>.mini-action{position:absolute;top:7px;right:7px;background:var(--surface);box-shadow:0 2px 10px rgba(0,0,0,.2)}.option-builder{display:grid;gap:10px}.option-builder-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.option-builder-row{display:grid;grid-template-columns:28px minmax(0,1fr) 28px;align-items:start;gap:9px;padding:11px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2)}.option-builder-index{width:28px;height:38px;display:grid;place-items:center;color:var(--blue);font-size:9px;font-weight:700}.option-builder-fields{display:grid;gap:8px}.option-image-control{display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap}.option-media-preview{width:min(100%,260px);margin:0}.option-media-preview img{max-height:150px}.option-remove{margin-top:6px}.question-table-title{display:flex;align-items:center;gap:10px;max-width:440px}.question-table-thumb{width:46px;height:36px;object-fit:cover;border:1px solid var(--border);border-radius:6px;flex:0 0 auto}
.course-hero{display:grid;grid-template-columns:1fr 280px;gap:40px;padding:65px;border:1px solid var(--border);border-radius:12px;background:radial-gradient(circle at 80% 20%,var(--blue-soft),transparent 30%),var(--surface)}.course-hero h1{font-size:46px;max-width:850px;line-height:1.1;letter-spacing:-.05em;margin:18px 0}.course-hero>div>p{max-width:700px;color:var(--muted);font-size:15px}.course-credit{display:flex;align-items:center;gap:9px;margin-top:30px}.course-credit>span:last-child{display:flex;flex-direction:column}.course-credit small{font-size:8px;color:var(--muted)}.course-credit strong{font-size:10px}.course-hero>aside{padding:22px;border:1px solid var(--border);border-radius:9px;background:var(--surface)}.course-hero>aside>strong{display:block;font-size:32px;margin:10px 0}.course-hero>aside .button{margin-top:22px}.learning-outline{max-width:900px;margin:70px auto}.learning-outline article{display:grid;grid-template-columns:40px 1fr auto 24px;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid var(--border)}.learning-outline article>span{font-size:10px;color:var(--faint)}.learning-outline h3{font-size:14px;margin:0 0 3px}.learning-outline p{margin:0;color:var(--muted);font-size:10px}.learning-outline small{color:var(--muted)}.learning-step{border-bottom:1px solid var(--border)}.learning-step summary{list-style:none;display:grid;grid-template-columns:40px 1fr auto 24px;gap:16px;align-items:center;padding:20px 0;cursor:pointer}.learning-step summary::-webkit-details-marker{display:none}.learning-step summary>span{font-size:10px;color:var(--faint)}.learning-step summary b{font-weight:400;color:var(--muted);transition:.15s}.learning-step[open] summary b{transform:rotate(45deg);color:var(--blue)}.lesson-content{padding:0 40px 28px;color:var(--muted);font-size:12px;line-height:1.75}.lesson-content h1,.lesson-content h2,.lesson-content h3{color:var(--text)}.lesson-content img{max-width:100%;height:auto;border-radius:8px}
.assignment-list{display:grid;gap:12px}.assignment-card{display:grid;grid-template-columns:80px 1fr auto;gap:20px;align-items:center;padding:20px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.assignment-mark{width:80px;height:80px;display:grid;place-items:center;background:#111;color:#fff;border-radius:8px;font-size:23px;font-weight:700}.assignment-card h2{font-size:16px;margin:6px 0 2px}.assignment-card p{font-size:10px;color:var(--muted)}.assignment-card .progress{max-width:400px}
.admin-welcome{min-height:260px;margin-top:14px;padding:40px;display:flex;align-items:center;gap:25px}.admin-welcome .feature-symbol{margin:0}
.assessment-head{max-width:900px;margin:0 auto 28px;display:flex;align-items:flex-end;justify-content:space-between}.assessment-head h1{font-size:30px;margin:7px 0 0}.assessment-progress{width:250px}.assessment-progress>span{display:block;text-align:right;font-size:10px;color:var(--muted);margin-bottom:8px}.assessment-question{display:none;max-width:900px;margin:auto}.assessment-question.active{display:block}.question-context{display:flex;justify-content:space-between;color:var(--muted);font-size:10px}.assessment-question>h2{font-size:24px;line-height:1.45;margin:18px 0 28px}.assessment-question-image{margin:-10px 0 28px;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--surface)}.assessment-question-image img{display:block;width:100%;max-height:480px;object-fit:contain}.tier-block{padding:24px;border:1px solid var(--border);background:var(--surface);border-radius:10px;margin-bottom:10px}.tier-badge{font-size:8px;color:var(--blue);letter-spacing:.1em}.tier-block h3{font-size:13px;margin:6px 0 16px}.option-list{display:grid;gap:7px}.option-list label{display:flex;align-items:center;gap:11px;border:1px solid var(--border);border-radius:8px;padding:11px;cursor:pointer}.option-list label:has(input:checked){border-color:var(--blue);background:var(--blue-soft)}.option-list input{position:absolute;opacity:0}.option-list label>span{position:static;width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--border);border-radius:6px;color:var(--muted);flex:0 0 auto}.option-content{display:grid;gap:9px;min-width:0;flex:1}.option-list strong{font-size:11px}.option-image{display:block;width:auto;max-width:min(100%,420px);max-height:260px;object-fit:contain;border:1px solid var(--border);border-radius:7px;background:var(--surface-2)}.tier-block input[type=range]{padding:0;height:5px;box-shadow:none;accent-color:var(--blue)}.range-labels{display:flex;justify-content:space-between;font-size:8px;color:var(--faint);margin-top:8px}.assessment-nav{max-width:900px;margin:20px auto;display:flex;justify-content:space-between}.assessment-nav .button:last-child{margin-left:auto}
.tier5-question-image{margin:0 0 16px;border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--surface-2)}.tier5-question-image img{display:block;width:100%;max-height:420px;object-fit:contain}
.report-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-bottom:14px}.danger-text{color:var(--blue);font-weight:700}
.report-toolbar{justify-content:flex-end}.filter-chips{display:flex;gap:7px;flex-wrap:wrap}
.report-diagnostic-flags{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.report-diagnostic-flags article{display:grid;gap:5px;padding:15px;border:1px solid var(--border);border-radius:9px;background:var(--surface)}.report-diagnostic-flags span{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.07em}.report-diagnostic-flags strong{font-size:23px}.report-diagnostic-flags small{color:var(--faint);font-size:8px;line-height:1.5}
.report-summary article>small{color:var(--faint);font-size:8px}.report-summary strong small{font-size:13px;color:var(--muted)}.report-course-picker{display:flex;align-items:flex-end;gap:12px;padding:16px;margin-bottom:14px}.report-course-picker label{width:min(100%,480px)}.report-course-picker label>span{display:block;margin-bottom:6px;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.08em}.report-distribution{margin-bottom:14px;overflow:hidden}.report-distribution>header,.student-report-heading{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.report-distribution>header h2,.student-report-heading h2{margin:4px 0 0;font-size:18px}.report-distribution>header>small{color:var(--muted);font-size:9px}.report-distribution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:18px}.report-distribution-grid article{padding:14px;border:1px solid var(--border);border-radius:8px}.report-distribution-grid article>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px}.report-distribution-grid span,.report-distribution-grid small{color:var(--muted);font-size:9px}.report-distribution-grid strong{font-size:22px}.report-distribution-grid .progress{margin:12px 0 7px}.report-distribution-grid .not-understood .progress i{opacity:.55}.report-distribution-grid .misconception .progress i{opacity:.25}.report-question-panel{margin-bottom:28px}.report-question-panel td:first-child{min-width:300px;white-space:normal}.student-report-section{display:grid;gap:10px}.student-report-section>.report-toolbar{padding:0 0 4px}.student-report-heading{padding:10px 0;border:0}.student-report-list{display:grid;gap:10px}.student-report-card{padding:0;overflow:hidden}.student-report-card>header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 19px;border-bottom:1px solid var(--border)}.student-report-identity{display:flex;align-items:center;gap:11px;min-width:0}.student-report-identity>div{min-width:0}.student-report-identity h3{margin:0 0 3px;font-size:13px}.student-report-identity p{margin:0;color:var(--muted);font-size:9px}.student-report-score{display:flex;align-items:center;gap:12px}.student-report-score>strong{font-size:24px}.student-attempt-metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--border)}.student-attempt-metrics span{display:flex;flex-direction:column;gap:3px;padding:12px 16px;background:var(--surface);color:var(--muted);font-size:8px}.student-attempt-metrics b{color:var(--text);font-size:10px}.attempt-reset-note{padding:10px 18px;background:var(--blue-soft);color:var(--muted);font-size:9px}.student-answer-details{border-top:1px solid var(--border)}.student-answer-details>summary{display:flex;justify-content:space-between;padding:13px 18px;cursor:pointer;color:var(--blue);font-size:10px}.student-answer-details>summary span{color:var(--muted)}.student-answer-list{display:grid;gap:8px;padding:0 18px 18px}.student-answer-list>article{padding:15px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2)}.student-answer-list article>header{display:flex;justify-content:space-between;gap:12px}.student-answer-list article>header span,.student-answer-list article>header strong{font-size:8px;color:var(--blue);text-transform:uppercase;letter-spacing:.07em}.student-answer-list h4{font-size:11px;line-height:1.5;margin:8px 0 12px}.student-answer-list dl{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:0}.student-answer-list dl>div{padding:10px;border:1px solid var(--border);border-radius:6px;background:var(--surface)}.student-answer-list dt{color:var(--faint);font-size:8px;text-transform:uppercase}.student-answer-list dd{margin:5px 0 0;color:var(--muted);font-size:9px;line-height:1.5}.student-answer-list .answer-correct{color:var(--success)}.student-answer-list .answer-wrong{color:var(--danger)}.attempt-reset-form{display:flex;align-items:flex-end;gap:10px;padding:14px 18px;border-top:1px solid var(--border);background:rgba(239,68,68,.025)}.attempt-reset-form label{flex:1;color:var(--muted);font-size:8px}.attempt-reset-form input{margin-top:5px}.status-not-started{color:var(--muted)}.status-in-progress{color:var(--warning);background:rgba(245,158,11,.08)}.status-completed{color:var(--success);background:rgba(16,185,129,.08)}.status-reset{color:var(--danger);background:rgba(239,68,68,.08)}
.report-post-test-overview{margin-bottom:14px;overflow:hidden}.report-post-test-overview>header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 22px;border-bottom:1px solid var(--border)}.report-post-test-overview h2{font-size:18px;margin:4px 0 0}.report-post-test-overview>header>small{color:var(--muted);font-size:9px}.report-comparison-grid{margin:0;padding:18px}.report-score-comparison{display:flex;align-items:center;justify-content:center;gap:13px;padding:14px 20px;border-top:1px solid var(--border);background:var(--surface-2)}.report-score-comparison span,.report-score-comparison small{color:var(--muted);font-size:9px}.report-score-comparison strong{font-size:18px}.report-score-comparison i{color:var(--faint);font-style:normal}.student-post-comparison{border-top:1px solid var(--border);background:color-mix(in srgb,var(--blue-soft) 25%,var(--surface))}.student-post-comparison>header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 18px}.student-post-comparison h4{font-size:11px;margin:4px 0 0}.student-post-scores{display:flex;align-items:center;gap:8px}.student-post-scores span{color:var(--muted);font-size:16px}.student-post-scores i{color:var(--faint);font-style:normal}.student-post-scores strong{color:var(--success);font-size:20px}.student-post-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border-top:1px solid var(--border)}.student-post-metrics span{display:flex;flex-direction:column;gap:3px;padding:11px 18px;background:var(--surface);color:var(--muted);font-size:8px}.student-post-metrics b{color:var(--text);font-size:10px}.post-comparison-details{border-top:1px solid var(--border)}.post-comparison-details .comparison-question-list{background:var(--surface)}
.five-tier-comparison-list{gap:12px}.student-answer-list>.five-tier-comparison-card{padding:18px}.five-tier-question-heading{align-items:center}.five-tier-classification-transition{display:flex;align-items:center;justify-content:flex-end;gap:7px;text-align:right}.student-answer-list article>header .five-tier-classification-transition b{color:var(--muted);font-size:8px;font-weight:600;text-transform:uppercase;letter-spacing:.07em}.student-answer-list article>header .five-tier-classification-transition i{color:var(--faint);font-size:9px;font-style:normal}.student-answer-list article>header .five-tier-classification-transition strong{color:var(--success)}.five-tier-comparison-card>h4{margin:10px 0 14px}.five-tier-answer-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.five-tier-answer-panel{min-width:0;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.five-tier-answer-panel.after{border-color:rgba(16,185,129,.25)}.five-tier-answer-panel>header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-bottom:1px solid var(--border);background:var(--surface-2)}.five-tier-answer-panel>header span{color:var(--muted);font-size:8px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.five-tier-answer-panel>header strong{color:var(--blue);font-size:8px;text-align:right}.five-tier-answer-panel.after>header strong{color:var(--success)}.student-answer-list .five-tier-answer-panel dl{padding:11px}.five-tier-answer-panel.is-empty{display:flex;min-height:100%;flex-direction:column;border-style:dashed}.five-tier-after-empty{display:grid;flex:1;align-content:center;gap:5px;min-height:170px;padding:24px;text-align:center}.five-tier-after-empty strong{color:var(--muted);font-size:10px}.five-tier-after-empty p{max-width:310px;margin:0 auto;color:var(--faint);font-size:9px;line-height:1.6}
.notice-card{display:flex;align-items:center;gap:14px;padding:15px 17px;margin-bottom:14px;border:1px solid var(--border);border-radius:10px;background:var(--blue-soft)}.notice-card>span{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--blue);border-radius:50%;color:var(--blue)}.notice-card>div{flex:1}.notice-card strong{font-size:11px}.notice-card p{margin:2px 0 0;color:var(--muted);font-size:10px}
.status-active{color:var(--success);background:rgba(16,185,129,.08)}.status-inactive,.status-archived{color:var(--muted)}.status-suspended{color:var(--blue);background:var(--blue-soft)}
.public-course-detail{max-width:1240px;margin:auto;padding:44px 28px 100px}.back-link{display:inline-block;color:var(--muted);font-size:11px;margin-bottom:24px}.back-link:hover{color:var(--text)}
.public-course-hero{display:grid;grid-template-columns:1fr 330px;gap:60px;padding:58px 0 64px;border-bottom:1px solid var(--border)}.course-detail-meta{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:10px}.public-course-hero h1{font-size:clamp(42px,6vw,68px);line-height:1.05;letter-spacing:-.055em;margin:22px 0}.public-course-hero>div>p{max-width:760px;color:var(--muted);font-size:16px;line-height:1.7}.library-action-card{padding:22px;align-self:start;position:sticky;top:84px}.library-action-card form{margin-top:8px}.library-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:20px 0}.library-stats div{padding:12px 5px;background:var(--surface-2);border-radius:7px;text-align:center;display:flex;flex-direction:column}.library-stats strong{font-size:18px}.library-stats span{font-size:8px;color:var(--muted);text-transform:uppercase}.action-note{color:var(--muted);font-size:9px;text-align:center;margin:12px 0 0}
.public-course-content{display:grid;grid-template-columns:1fr 300px;gap:60px;padding-top:70px}.public-course-content h2{font-size:36px;letter-spacing:-.04em;margin:12px 0 25px}.public-outline{margin:0;max-width:none}.public-outline article{grid-template-columns:40px 1fr auto}.credit-chain{padding:22px;align-self:start}.credit-chain h3{font-size:16px;margin:10px 0 6px}.credit-chain>p{color:var(--muted);font-size:10px;padding-bottom:14px;border-bottom:1px solid var(--border)}.credit-chain>div{display:flex;align-items:center;gap:9px;padding:10px 0}.credit-chain>div>span:last-child{display:flex;flex-direction:column}.credit-chain strong{font-size:10px}.credit-chain small{font-size:8px;color:var(--muted);text-transform:capitalize}
.result-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding:35px 0 38px;border-bottom:1px solid var(--border)}.result-hero h1{font-size:42px;letter-spacing:-.05em;margin:10px 0 5px}.result-hero>div:first-child p{color:var(--muted);max-width:620px}.result-score{text-align:right}.result-score>span,.result-score small{display:block;color:var(--muted);font-size:9px;letter-spacing:.1em}.result-score strong{display:block;font-size:58px;line-height:1;letter-spacing:-.06em;margin:5px 0 9px}
.result-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}.result-metrics article{display:flex;align-items:center;gap:15px;padding:18px;border:1px solid var(--border);border-radius:9px;background:var(--surface)}.result-dot{width:10px;height:10px;border-radius:50%;background:var(--blue)}.result-dot.not-understood{opacity:.5}.result-dot.misconception{opacity:.2}.result-metrics article>div{display:grid;grid-template-columns:1fr auto;flex:1;align-items:center}.result-metrics small{grid-column:1/-1;color:var(--muted);font-size:8px;letter-spacing:.1em}.result-metrics strong{font-size:24px}.result-metrics p{margin:0;color:var(--muted);font-size:9px}
.result-layout{display:grid;grid-template-columns:1fr 290px;gap:24px;align-items:start;margin-top:40px}.compact-heading{margin-bottom:20px}.compact-heading h2{font-size:30px}.reduction-list{display:grid;gap:9px}.reduction-list article{display:grid;grid-template-columns:34px 1fr auto;gap:13px;align-items:center;padding:18px;border:1px solid var(--border);border-radius:9px;background:var(--surface)}.reduction-list article>span{width:30px;height:30px;border:1px solid var(--border-strong);border-radius:50%;display:grid;place-items:center;color:var(--blue)}.reduction-list h3{font-size:13px;margin:0 0 3px}.reduction-list p{font-size:10px;color:var(--muted);margin:0;max-width:650px}.concept-counts{display:flex;gap:13px;margin-top:8px}.concept-counts small{font-size:8px;color:var(--faint)}.reduction-list article.understood{opacity:.65}.reduction-list article.reduction-open{border-color:rgba(37,99,235,.35)}.reduction-material{grid-column:2/-1;border-top:1px solid var(--border);padding-top:18px}.reduction-material[hidden]{display:none}.reduction-material .lesson-content{margin-top:10px;padding:18px;border-radius:8px;background:var(--surface-2)}.reduction-material .lesson-content h2{font-size:20px;margin:0 0 10px}.reduction-material .lesson-content h3{font-size:15px;margin:16px 0 7px}.reduction-material .lesson-content p,.reduction-material .lesson-content li{font-size:12px;line-height:1.7;color:var(--muted)}.result-note{padding:22px;position:sticky;top:84px}.result-note h3{font-size:16px;margin:10px 0 6px}.result-note p{color:var(--muted);font-size:10px;margin-bottom:18px}
.reduction-list article.reduction-completed{border-color:rgba(16,185,129,.28)}.reduction-complete-form{display:flex;justify-content:flex-end;margin-top:14px}.reduction-complete-state{margin-top:14px;padding:11px 13px;border-radius:7px;background:rgba(16,185,129,.08);color:var(--success);font-size:9px}.post-test-callout .progress{margin:14px 0 18px}.post-test-head>div:first-child p{max-width:640px;color:var(--muted);font-size:10px;margin:7px 0 0}.comparison-hero{align-items:center}.comparison-scores{display:flex;align-items:center;gap:18px}.comparison-scores>div{min-width:105px;padding:15px;border:1px solid var(--border);border-radius:10px;background:var(--surface);text-align:center}.comparison-scores span,.comparison-scores small{display:block;color:var(--muted);font-size:8px;letter-spacing:.08em}.comparison-scores strong{display:block;margin:5px 0;font-size:38px;letter-spacing:-.05em}.comparison-scores>b{color:var(--faint)}.comparison-scores small.positive{color:var(--success)}.comparison-scores small.negative{color:var(--danger)}.comparison-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:22px 0}.comparison-summary-grid article{display:grid;gap:6px;padding:18px;border:1px solid var(--border);border-radius:9px;background:var(--surface)}.comparison-summary-grid span{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.07em}.comparison-summary-grid strong{font-size:29px}.comparison-summary-grid small{color:var(--faint);font-size:8px;line-height:1.5}.comparison-summary-grid .comparison-warning{border-color:rgba(239,68,68,.28);background:rgba(239,68,68,.035)}.comparison-analysis{margin-bottom:14px;overflow:hidden}.comparison-analysis>header,.comparison-detail-panel>header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 22px;border-bottom:1px solid var(--border)}.comparison-analysis h2,.comparison-detail-panel h2{margin:4px 0 0;font-size:18px}.comparison-analysis-body{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;padding:20px 22px}.comparison-analysis-body>p{color:var(--muted);font-size:11px;line-height:1.7;margin:0}.comparison-distribution{display:grid;gap:8px}.comparison-distribution>div{display:grid;gap:3px;padding:10px 12px;border:1px solid var(--border);border-radius:7px}.comparison-distribution span{color:var(--faint);font-size:8px;text-transform:uppercase}.comparison-distribution b{font-size:9px}.comparison-detail-panel{overflow:hidden}.comparison-question-list{display:grid}.comparison-question-list article{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:13px;padding:15px 20px;border-bottom:1px solid var(--border)}.comparison-question-list article:last-child{border:0}.comparison-question-list article>span{width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--border);border-radius:50%;color:var(--muted)}.comparison-question-list article.improved>span{border-color:var(--success);color:var(--success)}.comparison-question-list article.worsened>span{border-color:var(--danger);color:var(--danger)}.comparison-question-list small{color:var(--faint);font-size:8px}.comparison-question-list h3{font-size:10px;line-height:1.45;margin:4px 0 0}.transition-badge{display:flex;align-items:center;gap:7px;padding:8px 10px;border-radius:7px;background:var(--surface-2);font-size:8px}.transition-badge b{color:var(--muted);font-weight:500}.transition-badge i{color:var(--faint);font-style:normal}.transition-badge strong{color:var(--blue)}
.error-page,.offline-page{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.error-page>span{font-size:62px;color:var(--blue);font-weight:700}.error-page h1,.offline-page h1{font-size:36px;letter-spacing:-.04em;margin:15px 0 4px}.error-page p,.offline-page p{color:var(--muted);max-width:500px;margin:0 0 24px}.offline-page{min-height:100vh}.offline-page>div{display:flex;flex-direction:column;align-items:center}

.student-attempt-metrics{grid-template-columns:repeat(7,1fr)}

/* Teacher registration and approval */
.registration-page{min-height:calc(100vh - 72px);display:grid;grid-template-columns:minmax(330px,.82fr) minmax(620px,1.18fr);background:var(--bg)}
.registration-intro{padding:48px clamp(36px,5vw,78px);display:flex;flex-direction:column;justify-content:space-between;gap:50px;border-right:1px solid var(--border);background:radial-gradient(circle at 25% 45%,rgba(0,153,255,.1),transparent 30%),var(--surface)}
.registration-intro h1{max-width:600px;font-size:clamp(38px,4.5vw,64px);line-height:1.06;letter-spacing:-.055em;margin:20px 0}
.registration-intro>div>p{max-width:570px;color:var(--muted);font-size:15px;line-height:1.7}
.registration-intro>small{color:var(--muted)}
.registration-steps,.status-timeline{list-style:none;padding:0;margin:38px 0 0;display:grid;gap:0}
.registration-steps li,.status-timeline li{position:relative;display:flex;align-items:center;gap:13px;min-height:66px}
.registration-steps li:not(:last-child):after,.status-timeline li:not(:last-child):after{content:"";position:absolute;width:1px;height:22px;background:var(--border-strong);left:15px;top:55px}
.registration-steps b,.status-timeline b{width:31px;height:31px;flex:0 0 31px;display:grid;place-items:center;border:1px solid var(--border-strong);border-radius:50%;color:var(--muted);font-size:11px}
.registration-steps li.active b,.status-timeline li.done b{border-color:var(--success);color:var(--success);background:rgba(16,185,129,.08)}
.registration-steps span,.status-timeline span{display:flex;flex-direction:column}.registration-steps strong,.status-timeline strong{font-size:11px}.registration-steps small,.status-timeline small{color:var(--muted);font-size:9px}
.registration-form-wrap{padding:52px clamp(28px,5vw,76px);display:grid;align-items:center}
.registration-card{width:min(760px,100%);margin:auto}.registration-card header h2{font-size:34px;letter-spacing:-.045em;margin:8px 0}.registration-card header p{color:var(--muted);margin:0}
.registration-form{margin-top:26px}.registration-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.registration-field-grid .span-2{grid-column:1/-1}.registration-field-grid label>small{color:var(--faint);font-size:9px}.registration-field-grid label>em,.application-actions label>em{font-style:normal;color:var(--faint);font-weight:400}
.registration-consent{padding:13px;border:1px solid var(--border);border-radius:8px;background:var(--surface);line-height:1.5}.form-security-note{color:var(--faint);font-size:9px;text-align:center;margin:0}
.verification-page{min-height:calc(100vh - 72px);padding:62px 20px;display:grid;place-items:center;background:radial-gradient(circle at 50% 30%,rgba(0,153,255,.09),transparent 28%)}
.verification-card{width:min(480px,100%);padding:34px}.verification-card>.brand{margin-bottom:38px}.verification-icon{width:56px;height:56px;margin-bottom:22px;display:grid;place-items:center;border:1px solid var(--blue);border-radius:50%;color:var(--blue);background:var(--blue-soft);font-size:21px}.verification-icon.approved{border-color:var(--success);color:var(--success);background:rgba(16,185,129,.08)}.verification-icon.rejected{border-color:var(--danger);color:var(--danger);background:rgba(239,68,68,.08)}
.verification-card h1{font-size:34px;letter-spacing:-.045em;margin:9px 0}.verification-card>p{color:var(--muted);line-height:1.7}.verification-card>p strong{color:var(--text)}
.otp-form{margin-top:26px}.otp-input{text-align:center;font-size:27px;font-weight:700;letter-spacing:.32em;height:58px;padding-left:calc(12px + .32em)}
.resend-form{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:17px;color:var(--muted);font-size:10px}.resend-form input{display:none}.resend-form button{border:0;padding:0;background:transparent;color:var(--blue);font-weight:600;cursor:pointer}.verification-help{display:block;padding:14px;margin:20px 0;color:var(--muted);font-size:9px;line-height:1.6;text-align:center;background:var(--surface-2);border-radius:7px}.verification-card>.back-link{display:block;margin:0;text-align:center}
.status-card{text-align:center}.status-card .verification-icon{margin-left:auto;margin-right:auto}.status-card>.brand{justify-content:center}.status-card .status-timeline{text-align:left;margin-bottom:28px}.status-timeline li.current b{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}
.application-metrics{margin-bottom:22px}.application-panel{padding:22px}.application-toolbar{padding-bottom:20px;border-bottom:1px solid var(--border)}.application-toolbar h2{font-size:17px}.application-toolbar .search-inline{width:min(330px,100%)}
.application-list{display:grid;gap:10px}.application-card{display:grid;grid-template-columns:minmax(210px,.85fr) minmax(310px,1.25fr) minmax(240px,.9fr);gap:24px;padding:20px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2)}
.application-identity{display:flex;gap:12px;align-items:flex-start}.application-identity .avatar{flex:0 0 34px}.application-identity h3{font-size:13px;margin:2px 0}.application-identity p{font-size:9px;color:var(--muted);margin:0;overflow-wrap:anywhere}
.application-details dl{display:grid;grid-template-columns:1fr 1fr;gap:11px 16px;margin:0}.application-details dl>div{min-width:0}.application-details dt{color:var(--faint);font-size:8px;text-transform:uppercase;letter-spacing:.08em}.application-details dd{font-size:10px;margin:2px 0 0;overflow-wrap:anywhere}.application-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:15px}.pill-success{color:var(--success);background:rgba(16,185,129,.08)}.pill-warning,.status-ready{color:var(--warning);background:rgba(245,158,11,.08)}.status-approved{color:var(--success);background:rgba(16,185,129,.08)}.status-rejected{color:var(--danger);background:rgba(239,68,68,.08)}.status-waiting{color:var(--muted)}
.application-actions{display:grid;gap:11px}.application-actions form{display:grid;gap:8px}.application-actions textarea{min-height:61px;font-size:10px}.application-actions .button{min-height:36px;font-size:10px}.application-reject{color:var(--danger)}.application-waiting,.application-reviewed{padding:15px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.application-waiting strong,.application-reviewed strong{font-size:10px}.application-waiting p,.application-reviewed p{color:var(--muted);font-size:9px;margin:4px 0 0}.application-reviewed blockquote{margin:10px 0 0;padding:9px;border-left:2px solid var(--border-strong);color:var(--muted);font-size:9px}
.button-danger{border-color:rgba(239,68,68,.45);background:rgba(239,68,68,.08);color:var(--danger)}.button-danger:hover{border-color:var(--danger);background:var(--danger);color:#fff}
.moderation-panel{padding:22px}.moderation-toolbar{padding-bottom:20px;border-bottom:1px solid var(--border)}.moderation-toolbar h2{font-size:17px}.moderation-toolbar .search-inline{width:min(360px,100%)}.moderation-toolbar .search-inline input{width:100%}
.moderation-list{display:grid;gap:10px}.moderation-card{display:grid;grid-template-columns:92px minmax(360px,1fr) minmax(230px,280px);gap:22px;padding:20px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2)}.moderation-card.is-banned{border-color:rgba(239,68,68,.28)}.moderation-thumb{width:92px;height:92px;padding:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:8px;background:#111;color:#fff}.moderation-thumb span{font-size:24px;font-weight:700}.moderation-thumb small{color:#777;font-size:8px}.moderation-badges{display:flex;flex-wrap:wrap;gap:6px}.moderation-content h3{font-size:15px;margin:9px 0 4px}.moderation-content>p{max-width:760px;color:var(--muted);font-size:10px;margin:0}.moderation-content dl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:15px 0 0}.moderation-content dt{color:var(--faint);font-size:8px;text-transform:uppercase;letter-spacing:.07em}.moderation-content dd{margin:2px 0 0;font-size:9px}.ban-reason{margin-top:14px;padding:11px 13px;border-left:2px solid var(--danger);background:rgba(239,68,68,.06)}.ban-reason strong{color:var(--danger);font-size:9px}.ban-reason p{margin:4px 0;color:var(--text);font-size:10px}.ban-reason small{color:var(--faint);font-size:8px}.moderation-actions{display:grid;align-content:start;gap:9px}.moderation-actions form{display:grid;gap:8px}.moderation-actions textarea{min-height:73px;font-size:10px}.moderation-actions .button{min-height:38px;font-size:10px}.moderation-ban-notice{border-color:rgba(239,68,68,.32);background:rgba(239,68,68,.07)}.moderation-ban-notice>span{border-color:var(--danger);color:var(--danger)}.course-ban-reason{color:var(--danger)!important;margin-top:5px!important}
.account-panel{padding:22px}.account-toolbar{padding-bottom:20px;border-bottom:1px solid var(--border)}.account-toolbar h2{font-size:17px}.account-toolbar .search-inline{width:min(350px,100%)}.account-list{display:grid;gap:10px}.account-card{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(350px,1.35fr) minmax(230px,.85fr);gap:22px;padding:20px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2)}.account-card.is-suspended{border-color:rgba(239,68,68,.28)}.account-identity{display:flex;align-items:flex-start;gap:12px}.account-identity .avatar{flex:0 0 38px;width:38px;height:38px}.account-identity h3{font-size:13px;margin:8px 0 2px}.account-identity p{color:var(--muted);font-size:9px;margin:0;overflow-wrap:anywhere}.account-badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}.account-details dl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0}.account-details dt{color:var(--faint);font-size:8px;text-transform:uppercase;letter-spacing:.07em}.account-details dd{margin:3px 0 0;font-size:9px;overflow-wrap:anywhere}.account-ban-reason{margin-top:14px;padding:11px 13px;border-left:2px solid var(--danger);background:rgba(239,68,68,.06)}.account-ban-reason strong{color:var(--danger);font-size:9px}.account-ban-reason p{font-size:10px;margin:4px 0}.account-ban-reason small{color:var(--faint);font-size:8px}.account-actions{display:grid;align-content:start;gap:9px}.account-actions form{display:grid;gap:8px}.account-actions textarea{min-height:62px;font-size:10px}.account-actions .button{min-height:38px;font-size:10px}.account-edit-modal{width:min(760px,calc(100% - 28px))}.account-edit-form{display:grid;gap:20px;padding-top:20px}.password-reset-box{display:grid;gap:8px;padding:15px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2)}.password-reset-box p{color:var(--muted);font-size:9px;margin:0}.password-reset-box label{margin-top:4px}

.quill-field{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:500}.quill-field>span{display:block}.quill-field .ql-toolbar{position:relative;z-index:3;overflow:visible}.quill-field .ql-container{position:relative;z-index:1}.quill-field .ql-picker-options{z-index:20}.modal>form>footer [data-editor-upload-status]{margin-right:auto;color:var(--muted);font-size:9px}.modal>form>footer [data-editor-upload-status].upload-error{color:var(--danger)}.lesson-content iframe,.lesson-content .ql-video{display:block;width:min(100%,900px);aspect-ratio:16/9;height:auto;margin:18px auto;border:0;border-radius:9px;background:#000}.lesson-content figure{max-width:100%;margin:18px 0}

.material-reader-section{width:min(1180px,100%);margin:64px auto}.material-reader-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:24px}.material-reader-toolbar h2{font-size:34px;margin:7px 0 5px;letter-spacing:-.035em}.material-reader-toolbar p{max-width:680px;margin:0;color:var(--muted);font-size:12px;line-height:1.6}.material-mode-switch{display:inline-flex;flex:0 0 auto;gap:4px;padding:4px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.material-mode-switch button{min-height:38px;padding:0 16px;border:0;border-radius:7px;background:transparent;color:var(--muted);font:inherit;font-size:10px;font-weight:600;cursor:pointer}.material-mode-switch button:hover{color:var(--text)}.material-mode-switch button.active{background:var(--blue);color:#fff}.material-reader-shell{overflow:hidden;border:1px solid var(--border-strong);border-radius:14px;background:var(--surface);box-shadow:0 24px 70px rgba(0,0,0,.18)}.material-reader-pages{min-width:0}.material-page{min-width:0}.material-page[hidden]{display:none}.material-page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;padding:clamp(26px,4vw,46px) clamp(26px,5vw,62px);border-bottom:1px solid var(--border);background:linear-gradient(135deg,var(--blue-soft),transparent 56%)}.material-page-header>div{min-width:0}.material-page-number{display:block;margin-bottom:12px;color:var(--blue);font-size:9px;font-weight:700;letter-spacing:.13em}.material-page-header h2{max-width:850px;margin:0 0 10px;font-size:clamp(27px,3.2vw,42px);line-height:1.12;letter-spacing:-.04em}.material-page-header p{max-width:780px;margin:0;color:var(--muted);font-size:13px;line-height:1.7}.material-page-header>.pill{flex:0 0 auto}.reduction-preview-header{background:linear-gradient(135deg,rgba(245,158,11,.1),transparent 56%)}.reduction-preview-header .material-page-number{color:var(--warning)}.material-reader-content{min-height:430px;padding:clamp(32px,5vw,68px)!important;color:var(--text);font-size:16px!important;line-height:1.85!important}.material-reader-content>*:first-child{margin-top:0}.material-reader-content>*:last-child{margin-bottom:0}.material-reader-content p,.material-reader-content li{font-size:1em;line-height:1.85;color:var(--text)}.material-reader-content h1{font-size:34px;line-height:1.2}.material-reader-content h2{font-size:28px;line-height:1.25}.material-reader-content h3{font-size:22px;line-height:1.3}.material-reader-content h4{font-size:18px}.material-reader-content h1,.material-reader-content h2,.material-reader-content h3,.material-reader-content h4{margin:1.5em 0 .55em;color:var(--text);letter-spacing:-.025em}.material-reader-content ul,.material-reader-content ol{padding-left:1.5em}.material-reader-content blockquote{margin:28px 0;padding:20px 24px;border-left:3px solid var(--blue);border-radius:0 8px 8px 0;background:var(--surface-2);color:var(--muted)}.material-reader-content img{display:block;max-width:100%;height:auto;margin:28px auto;border-radius:10px}.material-reader-content table{width:100%;margin:26px 0;border-collapse:collapse}.material-reader-content th,.material-reader-content td{padding:12px;border:1px solid var(--border);text-align:left}.material-reader-content a{color:var(--blue)}.material-reader-content iframe,.material-reader-content .ql-video{width:min(100%,980px);margin:30px auto}.material-pagination{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;padding:18px 22px;border-top:1px solid var(--border);background:var(--surface-2)}.material-pagination .button{min-width:132px}.material-pagination .button:disabled{opacity:.35;cursor:not-allowed;transform:none}.material-pagination-center{display:grid;justify-items:center;gap:10px;min-width:0}.material-pagination-center>span{color:var(--muted);font-size:10px}.material-pagination-center>span strong{color:var(--text)}.material-page-selector{display:flex;justify-content:center;gap:6px;max-width:100%;overflow-x:auto;padding:2px}.material-page-selector button{display:grid;flex:0 0 30px;width:30px;height:30px;place-items:center;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:var(--muted);font:inherit;font-size:9px;cursor:pointer}.material-page-selector button:hover{border-color:var(--border-strong);color:var(--text)}.material-page-selector button.active{border-color:var(--blue);background:var(--blue);color:#fff}.material-reader-empty{padding:34px}.material-reader-empty h3{margin:0 0 7px;font-size:18px}.material-reader-empty p{margin:0;color:var(--muted);font-size:11px}
.material-result-layout{grid-template-columns:minmax(0,1fr);width:min(1180px,100%);margin-right:auto;margin-left:auto}.material-result-layout .result-note{position:static}.reduction-heading{align-items:flex-end}.reduction-heading>p{margin:0;color:var(--muted);font-size:11px}.reduction-reader .material-reader-content{min-height:500px}.reduction-page-header{background:linear-gradient(135deg,rgba(245,158,11,.1),transparent 58%)}.reduction-page-header .material-page-number{color:var(--warning)}.reduction-page-status{flex:0 0 auto;padding:8px 10px;border:1px solid rgba(245,158,11,.25);border-radius:999px;background:rgba(245,158,11,.08);color:var(--warning);font-size:9px;font-weight:600}.reduction-page-status.completed{border-color:rgba(16,185,129,.28);background:rgba(16,185,129,.08);color:var(--success)}.reduction-diagnosis{display:flex;flex-wrap:wrap;gap:9px;padding:18px clamp(26px,5vw,62px);border-bottom:1px solid var(--border);background:var(--surface-2)}.reduction-diagnosis span{padding:8px 11px;border:1px solid var(--border);border-radius:7px;color:var(--muted);font-size:9px}.reduction-diagnosis b{margin-right:3px;color:var(--text);font-size:11px}.reduction-page-action{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:22px clamp(26px,5vw,62px);border-top:1px solid var(--border);background:var(--surface-2)}.reduction-page-action>div>strong{font-size:12px}.reduction-page-action>div>p{margin:4px 0 0;color:var(--muted);font-size:9px}.reduction-page-action .reduction-complete-form{flex:0 0 auto;margin:0}.reduction-page-action .reduction-complete-state{width:100%;margin:0;padding:13px 15px;font-size:10px}.material-result-layout>.result-note{width:100%}

@media(max-width:1050px){
  :root{--sidebar:210px}.hero-grid{gap:40px}.dashboard-grid{grid-template-columns:1fr}.editor-layout{grid-template-columns:1fr}.editor-aside{grid-template-columns:1fr 1fr}.course-grid{grid-template-columns:repeat(2,1fr)}.insight-band{gap:50px;padding:45px}.tier-explainer strong{display:none}.registration-page{grid-template-columns:minmax(290px,.7fr) minmax(540px,1.3fr)}.application-card{grid-template-columns:1fr 1.2fr}.application-actions{grid-column:1/-1;grid-template-columns:1fr 1fr}.moderation-card{grid-template-columns:76px 1fr}.moderation-thumb{width:76px;height:76px}.moderation-actions{grid-column:1/-1;grid-template-columns:1fr 1fr}.moderation-actions .ban-form{grid-column:2}.account-card{grid-template-columns:1fr 1.3fr}.account-actions{grid-column:1/-1;grid-template-columns:1fr 1fr}.account-actions .account-ban-form{grid-column:2}
}
@media(max-width:760px){
  :root{--sidebar:250px}.app-shell{padding-left:0}.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:none}.topbar{left:0;padding:0 15px}.menu-toggle{display:grid}.breadcrumb span,.breadcrumb b{display:none}.main-content{padding:24px 16px 55px}
  .public-nav{height:62px;padding:0 16px}.public-nav nav{display:none}.hero{min-height:auto;padding:70px 18px}.hero-grid{grid-template-columns:1fr}.hero-copy h1{font-size:46px}.hero-console{transform:none}.trust-row{gap:20px}.section-wrap{padding:72px 18px}.section-heading{align-items:flex-start;flex-direction:column;gap:12px}.feature-grid{grid-template-columns:1fr}.feature-grid article{border-right:0;border-bottom:1px solid var(--border);min-height:270px}.insight-band{margin:0 18px 72px;padding:28px;grid-template-columns:1fr}.public-footer{margin:0 18px;flex-direction:column;gap:18px;text-align:center}.course-grid{grid-template-columns:1fr}
  .auth-page{grid-template-columns:1fr}.auth-visual{display:none}.auth-panel{padding:24px;min-height:100vh}.registration-page{grid-template-columns:1fr}.registration-intro{padding:38px 24px}.registration-intro>div>p,.registration-steps{display:none}.registration-intro h1{font-size:36px}.registration-form-wrap{padding:38px 20px}.registration-field-grid{grid-template-columns:1fr}.registration-field-grid .span-2{grid-column:auto}.verification-page{padding:38px 16px}.verification-card{padding:26px}.application-card{grid-template-columns:1fr}.application-actions{grid-column:auto;grid-template-columns:1fr}.application-toolbar{align-items:flex-start!important;flex-direction:column}.application-toolbar .search-inline{width:100%}.moderation-card{grid-template-columns:1fr}.moderation-thumb{width:64px;height:64px}.moderation-actions{grid-column:auto;grid-template-columns:1fr}.moderation-actions .ban-form{grid-column:auto}.moderation-content dl{grid-template-columns:1fr 1fr}.moderation-toolbar{align-items:flex-start!important;flex-direction:column}.moderation-toolbar .search-inline{width:100%}.account-card{grid-template-columns:1fr}.account-actions{grid-column:auto;grid-template-columns:1fr}.account-actions .account-ban-form{grid-column:auto}.account-details dl{grid-template-columns:1fr 1fr}.account-toolbar{align-items:flex-start!important;flex-direction:column}.account-toolbar .search-inline{width:100%}
  .page-heading{align-items:flex-start;flex-direction:column}.page-heading h1{font-size:31px}.metric-grid,.report-summary{grid-template-columns:1fr 1fr}.understanding-content{gap:25px}.donut-wrap{padding-left:0}.course-list>article{grid-template-columns:64px 1fr}.course-list-thumb{width:64px;height:64px}.course-actions{grid-column:1/-1;justify-content:flex-end}.toolbar{align-items:stretch;flex-direction:column}.search-inline{width:100%}.field-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.editor-aside{grid-template-columns:1fr}.tier-explainer{overflow:auto;justify-content:start}.media-upload{grid-template-columns:1fr}.media-upload>.button{justify-self:start}.option-builder-heading{align-items:flex-start;flex-direction:column}.option-builder-row{grid-template-columns:24px minmax(0,1fr) 28px;padding:9px}.course-hero{grid-template-columns:1fr;padding:28px}.course-hero h1{font-size:34px}.assignment-card{grid-template-columns:60px 1fr}.assignment-mark{width:60px;height:60px}.assignment-card>.button{grid-column:1/-1}.assessment-head{align-items:flex-start;flex-direction:column;gap:18px}.assessment-progress{width:100%}.assessment-question>h2{font-size:19px}.public-page-header h1{font-size:39px}.public-course-detail{padding:28px 18px 70px}.public-course-hero,.public-course-content{grid-template-columns:1fr;gap:30px}.public-course-hero{padding:30px 0 45px}.library-action-card,.result-note{position:static}.result-hero{align-items:flex-start;flex-direction:column}.result-score{text-align:left}.result-metrics{grid-template-columns:1fr}.result-layout{grid-template-columns:1fr}.reduction-list article{grid-template-columns:34px 1fr}.reduction-list article .button,.reduction-material{grid-column:1/-1}.notice-card{align-items:flex-start;flex-wrap:wrap}.report-distribution-grid{grid-template-columns:1fr}.report-diagnostic-flags{grid-template-columns:1fr 1fr}.student-attempt-metrics{grid-template-columns:repeat(2,1fr)}.student-answer-list dl{grid-template-columns:1fr}.attempt-reset-form{align-items:stretch;flex-direction:column}.report-course-picker{align-items:stretch;flex-direction:column}.comparison-summary-grid{grid-template-columns:1fr 1fr}.comparison-scores{width:100%}.comparison-analysis-body{grid-template-columns:1fr}.comparison-question-list article{grid-template-columns:30px 1fr}.transition-badge{grid-column:2}.comparison-detail-panel>header{align-items:flex-start;flex-direction:column}.student-post-metrics{grid-template-columns:1fr 1fr}.report-post-test-overview>header{align-items:flex-start;flex-direction:column}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}.hero-actions .button{width:100%}.trust-row{justify-content:space-between}.trust-row div:nth-child(3){display:none}.console-body{padding:20px}.metric-grid,.report-summary{grid-template-columns:1fr}.understanding-content{flex-direction:column;padding-top:25px}.legend{width:100%}.editor-layout{display:block}.editor-aside{margin-top:14px}.public-page-header{padding-top:65px}.filter-row{overflow:auto}.modal>form>header{align-items:flex-start}.assessment-nav .button{font-size:10px;padding:0 12px}.comparison-summary-grid{grid-template-columns:1fr}.comparison-scores{gap:8px}.comparison-scores>div{min-width:0;flex:1;padding:12px 8px}.comparison-scores strong{font-size:30px}
}

@media(max-width:760px){.material-reader-section{margin:42px auto}.material-reader-toolbar{align-items:flex-start;flex-direction:column}.material-reader-toolbar h2{font-size:29px}.material-mode-switch{width:100%}.material-mode-switch button{flex:1}.material-reader-shell{border-radius:10px}.material-page-header{align-items:flex-start;flex-direction:column;gap:16px;padding:26px 22px}.material-page-header h2{font-size:28px}.material-page-header>.pill,.reduction-page-status{align-self:flex-start}.material-reader-content{min-height:0;padding:30px 22px!important;font-size:15px!important}.material-reader-content h1{font-size:28px}.material-reader-content h2{font-size:24px}.material-reader-content h3{font-size:20px}.material-pagination{grid-template-columns:1fr 1fr;padding:16px;gap:12px}.material-pagination-center{grid-column:1/-1;grid-row:1}.material-pagination .button{width:100%;min-width:0}.reduction-heading{align-items:flex-start}.reduction-diagnosis{padding:15px 22px}.reduction-page-action{align-items:stretch;flex-direction:column;padding:20px 22px}.reduction-page-action .reduction-complete-form,.reduction-page-action .button{width:100%}}

@media(max-width:760px){.five-tier-answer-comparison{grid-template-columns:1fr}.five-tier-question-heading{align-items:flex-start!important;flex-direction:column}.five-tier-classification-transition{justify-content:flex-start;text-align:left}.student-answer-list>.five-tier-comparison-card{padding:14px}.five-tier-answer-panel>header{align-items:flex-start;flex-direction:column}}

@media(max-width:760px){.class-info-grid{grid-template-columns:1fr}.member-list-heading{align-items:flex-start;flex-direction:column}.class-assignment-picker{grid-template-columns:1fr}.class-assignment-empty{align-items:flex-start;flex-wrap:wrap}.class-assignment-empty .button{width:100%}}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}