/* Revision Session's app shell extends daPumpClub's shared shape/type tokens. */
:root{--page:#f6f7f2;--surface:#fff;--surface-soft:#f1f4ed;--ink:#253a32;--muted:#6e7972;--line:#e4e9df;--green:#2d5745;--lime:#dcebc0;--lime-ink:#39552b;--coral:#b94d30;--peach:#f9e4d8;--shadow:0 8px 28px #29392d06;--weak:#f9e0d7;--weak-ink:#a3412d;--developing:#f7edca;--developing-ink:#876515;--confident:#dcebcf;--confident-ink:#37622c;--subject:#769677;color-scheme:light}
[data-theme=dark],[data-theme=fluoro]{--page:#19251f;--surface:#22322a;--surface-soft:#2b3c32;--ink:#edf2e9;--muted:#b4c2b6;--line:#3a4d40;--green:#b7d49e;--lime:#405a36;--lime-ink:#e1efcf;--coral:#ffaf91;--peach:#4f382e;--weak:#51362e;--weak-ink:#ffc2a8;--developing:#494128;--developing-ink:#f3d888;--confident:#314c31;--confident-ink:#c2e4ad;color-scheme:dark}
[data-theme=mint]{--page:#eff6f1;--lime:#d0eadb;--surface-soft:#e5f1e9}
*{box-sizing:border-box}body{margin:0;font-family:var(--font-family-sans);font-size:14px;color:var(--ink);background:var(--page);line-height:1.55}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:wait;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #ce873b;outline-offset:4px}button{color:inherit}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{line-height:1.2;letter-spacing:-.035em}h1{font-size:34px}h2{font-size:23px}h3{font-size:17px}p+p{margin-top:12px}small{font-size:12px}img{max-width:100%}.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.muted{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:10px;font-weight:700;color:var(--muted)}.mono{font-variant-numeric:tabular-nums}.skip-link{position:fixed;top:-100px;left:16px;padding:10px;background:var(--surface);z-index:100}.skip-link:focus{top:12px}.startup{min-height:100vh;display:grid;place-content:center;text-align:center;gap:18px}.startup img{margin:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 18px;border-radius:var(--radius-control);border:1px solid transparent;font-weight:600;font-size:13px;line-height:1.4;background:var(--green);color:var(--surface);transition:transform .15s,background .15s}.btn:hover{transform:translateY(-1px);filter:brightness(.97)}.btn.primary{background:var(--coral);color:#fff}.btn.secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn.ghost{background:transparent;color:var(--ink)}.btn.small{padding:7px 12px;font-size:12px;border-radius:10px}.btn.danger{background:var(--weak);color:var(--weak-ink)}.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink)}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.stack{display:grid;gap:20px}.flex-between{display:flex;align-items:center;justify-content:space-between;gap:12px}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:20px;font-size:10px;font-weight:600;background:var(--surface-soft);color:var(--muted);white-space:nowrap}.badge.green{background:var(--lime);color:var(--lime-ink)}.badge.peach{background:var(--peach);color:var(--coral)}.dot{width:6px;height:6px;border-radius:50%;background:currentColor}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--shadow);padding:25px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px;gap:15px}.panel-head .eyebrow{margin-bottom:6px}.section-title{margin:8px 0 20px}.section-title p{margin-top:8px;color:var(--muted);max-width:670px}.note{padding:13px 16px;border-radius:12px;background:var(--surface-soft);font-size:12px;color:var(--muted)}.error-note{padding:12px 15px;border:1px solid #b94d3060;border-radius:12px;color:var(--weak-ink);background:var(--weak)}[hidden]{display:none!important}
.shell{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:100vh}.sidebar{background:#253a32;color:#e4e9e1;position:fixed;inset:0 auto 0 0;width:235px;z-index:30;display:flex;flex-direction:column;padding:30px 20px 18px}.brand{display:flex;align-items:center;gap:11px;padding:0 7px;margin-bottom:36px;font-weight:700;letter-spacing:-.04em;font-size:19px;line-height:1.1}.brand img{width:38px;height:38px}.brand span span{display:block;font-size:10px;letter-spacing:.19em;font-weight:400;color:#b0bcb0;margin-top:5px}.nav-caption{font-size:9px;text-transform:uppercase;letter-spacing:.2em;color:#a6b3a8;margin:0 12px 12px}.nav-link{display:flex;align-items:center;gap:12px;padding:11px 13px;margin:4px 0;font-size:12px;font-weight:500;border-radius:12px;color:#cad4c9}.nav-link.active{background:#dcebc0;color:#253a32;font-weight:700}.nav-link:hover{background:#ffffff10}.nav-link.active:hover{background:#e4f0cf}.nav-link .icon{width:18px;height:18px}.sidebar-bottom{margin-top:auto;padding-top:30px}.sidebar-tip{border:1px solid #ffffff18;background:#ffffff07;border-radius:15px;padding:16px 14px;margin:22px 3px;color:#c4d0c2;font-size:11px}.sidebar-tip strong{display:block;font-size:12px;color:#e8eddc;margin-bottom:7px}.sidebar-profile{display:flex;gap:10px;align-items:center;border-top:1px solid #ffffff20;padding:19px 7px 0}.avatar{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:var(--lime);color:var(--lime-ink);font-size:12px;font-weight:700;flex-shrink:0}.sidebar-profile .avatar{background:#b3c29d;color:#253a32}.sidebar-profile small{display:block;color:#a6b4a6;font-size:10px}.sidebar-profile strong{font-size:12px}.sidebar-profile .icon-btn{margin-left:auto;border:0;color:#dbe4d7;background:transparent;width:28px}.workspace{grid-column:2;min-width:0}.topbar{height:88px;padding:0 42px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--surface);gap:16px}.breadcrumbs{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:9px}.breadcrumbs span{color:var(--ink)}.top-actions{display:flex;align-items:center;gap:14px}.top-date{font-size:11px;color:var(--muted)}.bell{position:relative}.bell .count{position:absolute;right:-4px;top:-4px;background:var(--coral);color:white;font-size:9px;border-radius:20px;min-width:17px;height:17px;display:grid;place-items:center}.page{max-width:1450px;margin:auto;padding:31px 42px 45px}.page-intro{display:flex;justify-content:space-between;align-items:flex-end;margin:0 0 25px;gap:18px}.page-intro .eyebrow{margin-bottom:8px}.page-intro h1{font-size:29px}.page-intro p{font-size:12px;margin-top:8px;color:var(--muted)}.demo-banner{background:var(--developing);color:var(--developing-ink);padding:7px 20px;text-align:center;font-size:11px}.mobile-toggle{display:none}.two-col{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(275px,1fr);gap:23px}.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:22px 0}.stat{padding:20px 21px;border-radius:18px;background:var(--surface);border:1px solid var(--line)}.stat-label{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:7px;margin-bottom:8px}.stat-label .icon{width:15px;height:15px}.stat-value{font-size:28px;line-height:1.2;font-weight:700;letter-spacing:-.05em}.stat small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.hero{padding:31px 34px;background:var(--lime);color:var(--ink);display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden;border-radius:var(--radius-panel);min-height:232px}.hero-text{max-width:55%;position:relative;z-index:1}.hero .eyebrow{color:var(--lime-ink);margin-bottom:15px}.hero h2{font-size:35px;max-width:450px}.hero p{max-width:370px;font-size:12px;margin:13px 0 23px;color:var(--lime-ink)}.hero-art{width:235px;height:170px;position:relative;margin-right:12px;flex-shrink:0}.art-orbit{position:absolute;inset:-20px -40px -45px;border:1px solid #71855b24;border-radius:50%;transform:rotate(-30deg)}.art-orbit+ .art-orbit{inset:-60px 0 -60px 30px;transform:rotate(30deg)}.study-card{position:absolute;width:145px;height:93px;background:#fffef7;border-radius:13px;padding:17px;box-shadow:0 9px 20px #30492b12;border:1px solid #92a27120;color:#2a4133}.study-card.one{left:0;top:2px;transform:rotate(-12deg)}.study-card.two{right:0;bottom:0;transform:rotate(9deg);background:#f9ebd8}.study-card .card-line{height:4px;border-radius:5px;background:#9cac8b42;margin-top:8px;width:78%}.study-card .card-line.short{width:53%}.study-card strong{font-size:12px}.study-card small{font-size:8px;letter-spacing:.12em;color:#768266}.art-spark{position:absolute;right:5px;top:7px;color:#c17e4c;font-size:28px}.art-check{position:absolute;left:18px;bottom:1px;display:grid;place-items:center;background:#456347;color:#e3efc7;border-radius:50%;width:36px;height:36px;transform:rotate(-12deg);border:4px solid #dcebc0}.task-row{display:flex;align-items:center;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}.task-row:last-child{border-bottom:0;padding-bottom:0}.subject-symbol{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--subject);background:color-mix(in srgb,var(--subject) 12%,var(--surface));flex-shrink:0}.task-copy{min-width:0;flex:1}.task-copy strong{font-size:12px;display:block}.task-copy small{display:block;font-size:10px;color:var(--muted);margin-top:3px}.subject-row{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center}.subject-row:last-child{border:0}.subject-row progress{width:100%;height:5px;margin-top:7px;accent-color:var(--subject)}progress{border:0;border-radius:8px;background:var(--surface-soft)}progress::-webkit-progress-bar{background:var(--surface-soft);border-radius:8px}progress::-webkit-progress-value{background:var(--subject);border-radius:8px}.subject-row .subject-symbol{width:33px;height:33px;border-radius:10px}.subject-row .icon{width:17px;height:17px}.insight-card{background:var(--surface-soft);border-radius:17px;padding:19px;margin-top:17px;display:flex;gap:12px;font-size:11px;color:var(--muted)}.insight-card strong{display:block;color:var(--ink);margin-bottom:5px}.weekly-chart{display:flex;align-items:flex-end;gap:12px;height:105px;margin:20px 0 10px}.chart-day{flex:1;display:flex;flex-direction:column;gap:8px;align-items:center;font-size:9px;color:var(--muted)}.chart-track{height:72px;display:flex;align-items:flex-end;width:100%;justify-content:center;background:var(--surface-soft);border-radius:7px}.chart-bar{width:100%;max-width:38px;background:#a7bf8a;border-radius:7px;min-height:2px;height:var(--bar,2px)}.bar-0{--bar:2px}.bar-1{--bar:15px}.bar-2{--bar:28px}.bar-3{--bar:43px}.bar-4{--bar:57px}.bar-5{--bar:72px}.mini-metric{font-size:29px;font-weight:700;letter-spacing:-.05em}.mini-metric small{font-size:11px;font-weight:400;letter-spacing:0;color:var(--muted);margin-left:6px}.empty{padding:33px 20px;text-align:center;color:var(--muted);font-size:12px}.empty .icon{width:30px;height:30px;margin-bottom:12px}.empty h3{color:var(--ink);margin-bottom:9px}.empty .btn{margin-top:18px}.page-footer{font-size:10px;color:var(--muted);margin-top:30px;display:flex;justify-content:space-between;gap:15px}.confidence-weak,.recall-low{background:var(--weak)!important;color:var(--weak-ink)!important}.confidence-developing,.recall-mid{background:var(--developing)!important;color:var(--developing-ink)!important}.confidence-confident,.recall-high{background:var(--confident)!important;color:var(--confident-ink)!important}
[data-subject=maths]{--subject:#c18536}[data-subject=biology]{--subject:#4b946b}[data-subject=chemistry]{--subject:#a176bb}[data-subject=physics]{--subject:#5994c7}[data-subject=english-language]{--subject:#bd735a}[data-subject=english-literature]{--subject:#a08053}[data-subject=history]{--subject:#bf7b55}[data-subject=geography]{--subject:#4f9b98}[data-subject=computer-science]{--subject:#7076bb}[data-subject=french]{--subject:#718cb3}[data-subject=spanish]{--subject:#c58a4c}[data-subject=religious-studies]{--subject:#a18a51}[data-subject=business]{--subject:#76865c}[data-subject=physical-education]{--subject:#568c78}[data-subject=design-technology]{--subject:#8a819a}[data-subject=art]{--subject:#c17d9c}[data-subject=music]{--subject:#9180b6}[data-subject=drama]{--subject:#ad7c6e}
label{font-size:12px;font-weight:600;display:grid;gap:7px}input,textarea,select{width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:11px;padding:11px 13px;min-width:0}textarea{resize:vertical;min-height:105px;line-height:1.6}input::placeholder,textarea::placeholder{color:var(--muted);opacity:.7}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.form-stack{display:grid;gap:17px}.full{grid-column:1/-1}.check-label{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:400}.check-label input{width:17px;height:17px;accent-color:var(--green);flex-shrink:0}fieldset{border:1px solid var(--line);border-radius:13px;padding:14px;min-width:0}legend{font-size:12px;font-weight:600;padding:0 5px}.day-choices{display:flex;flex-wrap:wrap;gap:12px}.day-choices label{font-weight:400;display:flex;gap:6px;align-items:center}.day-choices input{width:15px;accent-color:var(--green)}.auth-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-story{background:#253a32;color:#f2f4e8;display:flex;flex-direction:column;justify-content:space-between;padding:45px 65px}.auth-story .brand{margin:0;padding:0}.auth-story .eyebrow{color:#a9bca2;margin-bottom:22px}.auth-story h1{font-size:clamp(38px,4.5vw,68px);font-weight:600;max-width:590px;letter-spacing:-.06em}.auth-story h1 em{color:#d4e7af;font-style:normal}.auth-story p{color:#c0cdbc;max-width:390px;margin:24px 0;font-size:14px;line-height:1.8}.auth-story .hero-art{margin:50px auto 10px;transform:scale(1.3);height:180px}.auth-story .art-check{border-color:#253a32}.auth-story footer{font-size:10px;color:#a3b39e;letter-spacing:.05em}.auth-main{display:grid;place-items:center;padding:40px}.auth-box{width:100%;max-width:370px}.auth-box .eyebrow{margin-bottom:16px}.auth-box h2{font-size:32px}.auth-box>p{color:var(--muted);margin:12px 0 28px}.auth-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:22px 0}.auth-tab{background:transparent;border:0;color:var(--muted);padding:12px 15px;font-size:12px;border-bottom:2px solid transparent}.auth-tab.active{border-bottom-color:var(--green);color:var(--ink);font-weight:700}.auth-box .btn{width:100%}.auth-divider{text-align:center;margin:22px 0;color:var(--muted);font-size:11px;display:flex;align-items:center;gap:12px}.auth-divider:before,.auth-divider:after{content:'';height:1px;flex:1;background:var(--line)}.auth-footnote{font-size:10px;color:var(--muted);text-align:center;margin-top:25px}.text-button{background:none;border:0;color:var(--coral);font-size:12px;padding:0;cursor:pointer}.map-layout{display:grid;grid-template-columns:215px minmax(0,1fr);gap:20px}.subject-list{display:flex;flex-direction:column;gap:5px;max-height:620px;overflow:auto}.subject-choice{display:flex;align-items:center;gap:10px;padding:11px;border-radius:12px;text-align:left;background:transparent;border:1px solid transparent;font-size:12px}.subject-choice.active{background:var(--surface-soft);border-color:var(--line);font-weight:600}.subject-choice .subject-symbol{width:29px;height:29px;border-radius:9px}.subject-choice .icon{width:15px;height:15px}.map-panel{padding:25px;overflow:hidden}.map-scroll{overflow-x:auto;margin:20px -15px 0;padding:20px 15px 30px}.topic-tree{display:flex;align-items:center;min-width:650px;padding:0 10px}.tree-root{width:140px;flex-shrink:0;padding:20px 16px;border:1px solid var(--line);border-left:4px solid var(--subject);border-radius:15px;background:var(--surface);box-shadow:var(--shadow);position:relative;text-align:center}.tree-root .subject-symbol{margin:0 auto 12px}.tree-root h3{font-size:14px}.tree-root small{font-size:10px;color:var(--muted)}.tree-root:after{content:'';width:33px;height:1px;background:var(--line);position:absolute;right:-34px;top:50%}.tree-branches{margin-left:33px;border-left:1px solid var(--line);flex:1;display:grid;gap:32px;padding:15px 0}.branch-row{display:flex;align-items:center;position:relative;padding-left:24px}.branch-row:before{content:'';width:24px;height:1px;background:var(--line);position:absolute;left:0;top:50%}.branch-label{width:135px;flex-shrink:0;border:1px solid var(--line);background:var(--surface-soft);padding:13px 10px;border-radius:12px;font-size:11px;font-weight:600;text-align:center;position:relative}.branch-label:after{content:'';position:absolute;width:22px;right:-23px;height:1px;top:50%;background:var(--line)}.leaf-stack{flex:1;margin-left:22px;border-left:1px solid var(--line);display:grid;gap:9px;padding:3px 0}.leaf{position:relative;margin-left:18px;padding:10px 12px;display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:11px;font-size:11px;text-align:left;min-height:39px;flex:1}.leaf:before{position:absolute;left:-19px;top:50%;content:'';height:1px;width:18px;background:var(--line)}.leaf .icon{width:13px;height:13px;opacity:.6}.leaf .topic-check{width:13px;height:13px;border-radius:50%;border:1px solid currentColor;display:grid;place-items:center;margin-left:auto;flex-shrink:0}.leaf[aria-pressed=true] .topic-check{background:var(--ink);color:var(--surface)}.legend{display:flex;gap:17px;flex-wrap:wrap;font-size:10px;color:var(--muted);margin-top:20px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:9px;height:9px;border-radius:3px;background:var(--line)}.legend i.weak{background:#e6aa94}.legend i.developing{background:#e5cf85}.legend i.confident{background:#9ac583}.map-search{margin-bottom:12px;font-size:11px;padding:9px 11px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}th{color:var(--muted);font-size:10px;font-weight:500;white-space:nowrap;padding:12px;border-bottom:1px solid var(--line)}td{padding:13px 12px;border-bottom:1px solid var(--line)}.journal th:first-child{min-width:155px}.journal th{min-width:53px;text-align:center}.journal th:first-child{text-align:left}.journal td{text-align:center;padding:8px 6px}.journal td:first-child{text-align:left;font-size:11px}.journal-cell{display:grid;place-items:center;width:35px;height:35px;margin:auto;border-radius:8px;background:var(--surface-soft);color:var(--muted);font-size:10px;border:0}.journal-cell.empty{padding:0;cursor:default}.plan-card{display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.plan-card:last-child{border:0}.date-block{width:54px;padding:10px 6px;border-radius:13px;background:var(--surface-soft);text-align:center;font-weight:700;font-size:22px;line-height:1.2;flex-shrink:0}.date-block small{display:block;font-size:9px;font-weight:500;text-transform:uppercase;margin-bottom:3px;color:var(--muted)}.mode-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:23px}.mode-card{border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:20px;text-align:left;display:flex;flex-direction:column;gap:11px}.mode-card.active{border-color:var(--green);background:var(--surface-soft);box-shadow:inset 0 0 0 1px var(--green)}.mode-card .icon{color:var(--green)}.mode-card strong{font-size:13px}.mode-card small{font-size:10px;color:var(--muted)}.study-session{max-width:820px;margin:auto}.session-progress{display:flex;align-items:center;gap:15px;margin:20px 0;color:var(--muted);font-size:12px}.session-progress progress{height:6px;flex:1;accent-color:var(--green)}.question-card{min-height:250px;padding:35px}.question-card h2{font-size:23px;line-height:1.55;margin:24px 0;letter-spacing:-.02em;white-space:pre-wrap}.answer-box{background:var(--surface-soft);padding:23px;border-radius:15px;border-left:3px solid var(--green);margin-top:20px;white-space:pre-wrap;font-size:14px}.ratings{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:24px}.rating{border:1px solid var(--line);padding:13px 8px;border-radius:12px;background:var(--surface);font-size:12px;font-weight:600}.rating small{font-size:9px;font-weight:400;display:block;margin-top:4px}.rating-0{background:var(--weak);color:var(--weak-ink)}.rating-1{background:var(--developing);color:var(--developing-ink)}.rating-2,.rating-3{background:var(--confident);color:var(--confident-ink)}.finish-icon{width:66px;height:66px;border-radius:50%;background:var(--lime);color:var(--lime-ink);display:grid;place-items:center;margin:10px auto 24px}.finish-icon .icon{width:30px;height:30px}.session-summary{text-align:center;padding:45px}.session-summary p{color:var(--muted);margin:13px 0 25px}.session-summary .actions{justify-content:center}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.tab{padding:9px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-size:11px}.tab.active{background:var(--lime);color:var(--lime-ink);border-color:transparent}.chat-message{border:1px solid var(--line);padding:20px 22px;border-radius:17px;margin-bottom:15px;font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}.chat-message.user{background:var(--surface-soft);margin-left:45px}.chat-message.assistant{background:var(--surface);margin-right:20px;border-left:3px solid #a1b780}.chat-role{font-size:9px;letter-spacing:.13em;text-transform:uppercase;font-weight:700;color:var(--muted);margin-bottom:8px;display:block}.chat-form{border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.ai-intro{padding:30px;text-align:center}.ai-intro h2{margin:16px 0 10px}.ai-intro p{max-width:460px;margin:0 auto;color:var(--muted);font-size:12px}.ai-intro .icon{width:35px;height:35px;color:var(--green)}.question-item{padding:20px 0;border-bottom:1px solid var(--line)}.question-item h3{font-size:14px;line-height:1.5;margin:9px 0}.question-item details{font-size:12px;margin:10px 0;color:var(--muted)}.question-item summary{cursor:pointer}.question-item details p{margin-top:12px;white-space:pre-wrap}.notification{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}.notification .notification-dot{background:var(--coral);width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0}.notification.read .notification-dot{background:var(--line)}.notification p{font-size:12px;color:var(--muted);margin:7px 0}.timer{text-align:center;padding:28px}.timer-face{width:175px;height:175px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:7px solid var(--lime);border-radius:50%;margin:23px auto}.timer-face strong{font-size:40px;font-variant-numeric:tabular-nums;letter-spacing:-.05em}.timer-face small{font-size:10px;color:var(--muted)}.timer .actions{justify-content:center}.group-card{padding:17px;border:1px solid var(--line);border-radius:15px;background:var(--surface);text-align:left;display:block;width:100%;margin-top:12px}.group-card.active{background:var(--surface-soft);border-color:var(--green)}.group-card strong{display:block;font-size:13px}.group-card small{color:var(--muted);font-size:11px}.resource{padding:22px 0;border-bottom:1px solid var(--line)}.resource h3{margin:12px 0;font-size:17px}.resource-body{font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}.comment{background:var(--surface-soft);padding:12px 15px;border-radius:12px;margin:10px 0;font-size:12px;white-space:pre-wrap}.comment small{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}.invite-code{font-family:monospace;font-size:13px;letter-spacing:.12em;background:var(--surface-soft);border:1px dashed var(--line);padding:8px 12px;border-radius:10px;user-select:all}.profile-header{display:flex;align-items:center;gap:17px;margin-bottom:25px}.profile-header .avatar{width:55px;height:55px;font-size:20px}.profile-header p{font-size:12px;color:var(--muted);margin-top:5px}.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);max-width:min(550px,90vw);padding:13px 21px;background:#253a32;color:#fff;border-radius:13px;box-shadow:0 6px 30px #0002;z-index:100;font-size:12px}.toast.error{background:#913c29}dialog{padding:0;border:1px solid var(--line);border-radius:24px;width:min(600px,calc(100vw - 28px));max-height:90vh;color:var(--ink);background:var(--surface);box-shadow:0 25px 90px #0003}dialog::backdrop{background:#17251db0;backdrop-filter:blur(3px)}.modal-inner{padding:28px}.modal-inner h2{margin-bottom:20px}.modal-close{float:right;margin:-9px -9px 9px 15px}.modal-inner .form-stack{clear:both}.draft{padding:18px;border-radius:14px;border:1px solid var(--line);margin-top:15px}.draft p{font-size:12px;white-space:pre-wrap;margin:12px 0}.upload-preview{max-height:240px;border:1px solid var(--line);border-radius:12px;object-fit:contain}.timer-note{font-size:10px;color:var(--muted);margin-top:15px}.break .timer-face{border-color:#edcba7}.admin-select{padding:7px;font-size:11px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.page{padding-top:40px}.hero{min-height:260px}.hero-art{margin-right:35px}.hero h2{font-size:40px}}
@media(max-width:1200px){.sidebar{width:210px;padding-left:14px;padding-right:14px}.shell{grid-template-columns:210px minmax(0,1fr)}.page{padding:27px}.topbar{padding:0 27px}.hero{padding:26px}.hero h2{font-size:30px}.hero-art{transform:scale(.85);width:190px;margin-right:0}.hero-text{max-width:60%}.two-col{grid-template-columns:minmax(0,1.4fr) minmax(250px,1fr);gap:18px}.stat{padding:18px 15px}.panel{padding:21px}.map-layout{grid-template-columns:180px minmax(0,1fr)}.mode-card{padding:17px 13px}.auth-story{padding:40px}}
@media(max-width:980px){.two-col{grid-template-columns:1fr}.three-col{grid-template-columns:1fr 1fr}.hero-art{width:235px;transform:scale(1);margin-right:15px}.hero-text{max-width:57%}.map-layout{grid-template-columns:1fr}.subject-list{flex-direction:row;max-height:none;overflow-x:auto}.subject-choice{white-space:nowrap;flex-shrink:0}.subject-list-panel{padding:15px}.map-search{max-width:260px}.map-panel{min-width:0}.auth-story{padding:35px}.auth-story h1{font-size:45px}.page-intro h1{font-size:27px}.stats{gap:10px}.stat-label{font-size:9px}.stat-label .icon{display:none}.mode-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){body{font-size:13px}.shell{display:block}.sidebar{transform:translateX(-100%);transition:transform .2s;width:235px}.shell.nav-open .sidebar{transform:translateX(0);box-shadow:0 0 0 100vmax #13211c70}.workspace{width:100%}.topbar{height:68px;padding:0 20px;gap:10px}.mobile-toggle{display:inline-grid;border:0;background:transparent;width:28px}.breadcrumbs{font-size:10px;flex:1}.breadcrumbs>.icon{display:none}.top-date{display:none}.top-actions{gap:8px}.top-actions .avatar{width:30px;height:30px;font-size:10px}.page{padding:24px 19px 35px}.page-intro{align-items:center}.page-intro h1{font-size:25px}.page-intro p{font-size:11px}.page-intro>.badge{display:none}.hero{min-height:230px;padding:25px}.hero h2{font-size:30px}.hero-text{max-width:75%}.hero p{max-width:260px;font-size:11px}.hero-art{position:absolute;right:-65px;top:40px;transform:scale(.68);opacity:.5;pointer-events:none}.hero-text .btn{position:relative}.stats{grid-template-columns:1fr 1fr;margin:17px 0;gap:11px}.stat{padding:16px}.stat-label{font-size:10px}.stat-label .icon{display:block}.stat-value{font-size:27px}.two-col{gap:17px}.panel{padding:21px;border-radius:20px}.panel-head{margin-bottom:18px}.panel-head h2{font-size:20px}.task-row{gap:11px}.task-row .btn{font-size:10px;padding:7px 9px}.task-copy strong{font-size:11px}.page-footer{font-size:9px}.form-grid{grid-template-columns:1fr}.three-col{grid-template-columns:1fr}.auth-page{grid-template-columns:1fr}.auth-story{padding:28px;min-height:290px;gap:30px}.auth-story .brand{font-size:17px}.auth-story h1{font-size:36px}.auth-story h1 br{display:none}.auth-story p{font-size:12px;margin:15px 0 0}.auth-story .hero-art,.auth-story footer{display:none}.auth-story .eyebrow{margin-bottom:13px}.auth-main{padding:34px 25px}.auth-box h2{font-size:26px}.map-panel{padding:20px 15px}.topic-tree{min-width:620px}.tree-root{width:120px}.branch-label{width:120px}.legend{gap:11px}.mode-card{padding:16px}.question-card{padding:25px}.question-card h2{font-size:20px}.ratings{gap:6px}.rating{font-size:11px;padding:12px 5px}.rating small{font-size:8px}.session-summary{padding:32px 20px}.chat-message{padding:17px}.chat-message.user{margin-left:20px}.chat-message.assistant{margin-right:5px}.plan-card{gap:12px}.plan-card .task-copy{font-size:11px}.modal-inner{padding:24px}.notification{gap:10px}.notification .actions{gap:5px}.notification .btn{font-size:10px;padding:7px}.timer-face{width:155px;height:155px}.profile-header p{font-size:10px;overflow-wrap:anywhere}.tab{font-size:10px;padding:8px 10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Timed papers use a persistent question navigator and dedicated answer spaces. */
.assessment-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 22px}.assessment-toolbar h2{margin:6px 0 0}.assessment-clock{display:grid;min-width:130px;padding:12px 20px;border:1px solid var(--line);border-radius:18px;background:var(--surface);text-align:center}.assessment-clock small{font-size:11px;text-transform:uppercase;letter-spacing:.08em}.assessment-clock strong{font-size:29px;font-variant-numeric:tabular-nums}.assessment-clock.time-low{border-color:#bf634c;color:#ad4935}.assessment-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:22px;align-items:start}.question-nav{position:sticky;top:22px}.question-nav-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0}.question-nav-button{position:relative;min-height:39px;background:transparent;border:1px solid #b9c4bc;border-radius:9px;color:inherit;cursor:pointer}.question-nav-button.answered{background:#e5ede1;color:#304b39}.question-nav-button.active{outline:2px solid #547952;outline-offset:2px}.question-nav-button span{position:absolute;right:1px;top:-7px;color:#9b582e}.question-nav .btn{width:100%;margin-top:9px}.save-status{font-size:12px;min-height:38px;color:var(--muted)}.exam-prompt{white-space:pre-wrap;line-height:1.8;font-size:17px;margin:24px 0}.response-editor{padding:0;border:0;min-width:0;margin-top:25px}.response-editor legend{font-weight:650;margin:0 0 12px}.response-editor textarea{width:100%}.answer-plot,.answer-sketch{display:block;width:100%;height:auto;max-height:530px;border:1px solid #c6d0c7;border-radius:9px;background:white;color:#253a32}.answer-plot text,.answer-sketch text{fill:#253a32;font-family:system-ui,sans-serif;font-size:12px}.answer-sketch text{font-size:16px;cursor:move}.answer-plot[data-answer-plot],.answer-sketch[data-answer-sketch]{touch-action:none;cursor:crosshair}.plot-grid{stroke:#e3e7e1;stroke-width:1}.plot-axis{fill:none;stroke:#5d6b60;stroke-width:1.5}.plot-line{fill:none;stroke-width:2}.plot-line.given{stroke:#808984}.plot-point.given{fill:#808984}.plot-line.learner{stroke:#3b784f}.plot-point.learner{fill:#3b784f;stroke:white;stroke-width:2;cursor:grab}.point-inputs{display:grid;gap:8px;margin-top:15px}.point-input-row{display:grid;grid-template-columns:22px 1fr 1fr auto;align-items:end;gap:10px}.point-input-row label{font-size:12px}.point-input-row input{min-width:0;width:100%}.sketch-workspace{margin-top:22px}.sketch-workspace summary{cursor:pointer;font-weight:600}.sketch-workspace .actions{margin-top:12px}.sketch-workspace input{flex:1;min-width:100px}.table-scroll{overflow:auto;margin:20px 0}.answer-table{width:100%;border-collapse:collapse}.answer-table caption{text-align:left;padding:8px 0;color:var(--muted);font-size:12px}.answer-table td,.answer-table th{padding:10px;border:1px solid #c6d0c7;text-align:left;min-width:85px}.answer-table input{min-width:70px;width:100%}.assessment-actions{margin-top:25px}.feedback-card{margin-top:20px;padding:18px;background:var(--surface);border-radius:12px}.assessment-report>.panel{overflow:hidden}.assessment-report .answer-plot,.assessment-report .answer-sketch{max-width:700px;margin:15px auto}.assessment-brief .stats{margin:25px 0}.assessment-question .check-label{font-size:13px}.assessment-report .resource-body{white-space:pre-wrap}
@media(max-width:850px){.assessment-layout{grid-template-columns:1fr}.question-nav{position:static}.question-nav-grid{grid-template-columns:repeat(8,minmax(28px,1fr))}.question-nav .btn{width:auto}.question-nav .save-status{min-height:0}.assessment-toolbar{align-items:flex-start}.assessment-toolbar h2{font-size:20px}.assessment-clock{min-width:110px;padding:10px}.point-input-row{grid-template-columns:18px 1fr 1fr}.point-input-row .btn{grid-column:2/4;justify-self:start}.assessment-actions{flex-wrap:wrap}}

.assessment-brief .stats{grid-template-columns:repeat(3,minmax(0,1fr))}

@media(max-width:400px){.question-nav-grid{grid-template-columns:repeat(6,minmax(26px,1fr))}.assessment-brief .stats{grid-template-columns:1fr}.assessment-toolbar{gap:10px}}

.course-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.course-choice{display:grid;gap:13px;border:1px solid var(--line);border-radius:15px;padding:20px}.course-choice .badge{justify-self:start}.course-choice fieldset{display:grid;gap:8px}.course-choice .check-label{align-items:flex-start}.course-code{display:block;font-size:10px;color:var(--muted);margin-top:4px}.course-map-scroll{max-height:680px}.course-map-branch{border-left:2px solid var(--line);padding:0 0 14px 18px;min-width:440px}.course-map-branch summary{cursor:pointer;font-weight:650;padding:10px}.course-map-branch summary small{color:var(--muted);font-weight:400;margin-left:10px}.course-leaves{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:10px;padding:8px}.course-leaves .leaf{width:100%;min-width:0;white-space:normal;text-align:left}.course-leaves .leaf small{display:block;font-size:10px;margin-top:5px;font-weight:400}.course-leaves .leaf>span:first-child{padding-right:10px;display:block}.course-context-note{margin:0 0 18px}.course-setup-prompt{margin:20px 0}@media(max-width:700px){.course-choice-grid{grid-template-columns:1fr}.course-map-branch{min-width:300px}.course-leaves{grid-template-columns:1fr}}

.mode-grid.study-modes{grid-template-columns:repeat(2,minmax(0,1fr))}
.mode-grid.test-modes{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:850px){.mode-grid.test-modes{grid-template-columns:1fr}}
@media(max-width:480px){.mode-grid.study-modes{grid-template-columns:1fr}.study-session .task-row{flex-wrap:wrap}.study-session .task-copy{min-width:150px}}
.sidebar{overflow-y:auto}.sidebar>nav{flex-shrink:0}
.journey-map-controls{display:grid;grid-template-columns:1fr 1.2fr .8fr;gap:16px}.journey-map-controls input,.journey-map-controls select{width:100%;min-width:0}
.selection-toolbar{position:sticky;top:8px;z-index:4;background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:16px;margin:20px 0;display:flex;align-items:center;justify-content:space-between;gap:15px;box-shadow:var(--shadow)}.selection-toolbar .btn{white-space:nowrap}
.topic-group-list{display:grid;gap:16px;margin-top:20px}.topic-group-list>details{border:1px solid var(--line);border-radius:17px;overflow:hidden}.topic-group-list summary{padding:18px;display:flex;justify-content:space-between;gap:15px;cursor:pointer;background:var(--surface-soft)}.topic-group-list summary strong{font-size:17px}.topic-group-list summary span{font-size:11px;color:var(--muted);white-space:nowrap}.group-actions{padding:16px 18px 0}
.journey-topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:18px}.journey-topic{padding:17px;border:1px solid var(--line);border-radius:12px;min-width:0}.journey-topic .check-label{align-items:flex-start}.journey-topic p{margin:10px 0 0}.journey-topic .actions{margin-top:8px}.journey-map .error-note{margin-top:14px}
@media(max-width:800px){.journey-map-controls{grid-template-columns:1fr}.journey-topic-grid{grid-template-columns:1fr}.selection-toolbar{flex-direction:column;align-items:stretch}.topic-group-list summary{flex-wrap:wrap}.selection-toolbar>.actions{flex-wrap:wrap}.journey-map{padding:20px}}
.subject-nav-count{margin-left:auto;min-width:23px;height:23px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:#ffffff20;color:#fff;font-size:11px;font-weight:700;padding:0 5px}
.nav-link.active .subject-nav-count{background:#2d5745;color:#fff}
[data-theme=dark] .btn.primary,[data-theme=fluoro] .btn.primary{color:#253a32}
.subject-page-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}.subject-page-actions>.btn{white-space:nowrap}
@media(max-width:720px){.subjects-intro{flex-direction:column;align-items:stretch}.sidebar{visibility:hidden}.shell.nav-open .sidebar{visibility:visible}}
.subject-picker-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:22px;align-items:start}
.subject-filters{display:grid;grid-template-columns:.8fr 1.2fr 1fr;gap:12px;margin-top:22px}
.subject-filters select{width:100%;min-width:0}
.subject-filter-hint{margin:12px 0}
.subject-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}
.subject-result{border:1px solid var(--line);border-radius:16px;padding:19px;display:flex;flex-direction:column;gap:13px;min-width:0}
.subject-result h3{font-size:18px;line-height:1.3}.subject-result>.btn{align-self:flex-start;margin-top:auto}
.subject-result .badge{font-size:10px}.subject-result .flex-between{gap:10px;flex-wrap:wrap}
.subject-selection{position:sticky;top:20px}.subject-selection>.muted{font-size:11px}
.selected-subjects{list-style:none;padding:0;margin:16px 0 0}.selected-subjects>li{padding:18px 0;border-top:1px solid var(--line)}
.selected-subjects h3{font-size:16px;line-height:1.4;margin-bottom:5px}.selected-subjects .actions{margin-top:8px}
.subject-selection .empty{padding:26px 0 8px}.subject-bundle{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--surface-soft);border-radius:14px;padding:17px;margin-top:18px;font-size:12px}
.subject-bundle p{margin-top:5px}.subject-bundle>.btn{flex-shrink:0}.subject-option-list{display:grid;gap:12px}.subject-option-list .check-label{align-items:flex-start}
@media(max-width:1150px){.subject-picker-layout{grid-template-columns:minmax(0,1fr) 250px}.subject-results{grid-template-columns:1fr}.subject-filters{grid-template-columns:1fr}.subject-bundle{align-items:flex-start;flex-direction:column}}
@media(max-width:850px){.subject-picker-layout{grid-template-columns:1fr}.subject-selection{position:static}.subject-filters{grid-template-columns:repeat(3,minmax(0,1fr))}.subject-results{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-bundle{flex-direction:row;align-items:center}}
@media(max-width:520px){.subject-filters,.subject-results{grid-template-columns:1fr}.subject-bundle{flex-direction:column;align-items:flex-start}.subject-catalogue,.subject-selection{padding:21px}}

.verification-prompt{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px;flex-wrap:wrap}.verification-prompt p{margin-top:4px}