/* Keep the original HelpDesk typography and black/blue palette. Cream changes surfaces only. */
html[data-theme]{color-scheme:light;--page:#f5f5f7;--surface:#fff;--surface-muted:#f7f7f8;--surface-pressed:#e8e8ed;--text:#1d1d1f;--secondary:#6e6e73;--tertiary:#86868b;--border:rgba(0,0,0,.09);--blue:#0071e3;--blue-soft:rgba(0,113,227,.1);--shadow:0 18px 55px rgba(0,0,0,.075);--header-bg:rgba(245,245,247,.9)}
html[data-theme="cream"]{--page:#f6f0e5;--surface:#fffaf2;--surface-muted:#f1eadf;--surface-pressed:#e9dfd1;--header-bg:rgba(246,240,229,.92)}
html[data-theme="dark"]{color-scheme:dark;--page:#000;--surface:#1c1c1e;--surface-muted:#242426;--surface-pressed:#353537;--text:#f5f5f7;--secondary:#a1a1a6;--tertiary:#8e8e93;--border:rgba(255,255,255,.11);--blue:#2997ff;--blue-soft:rgba(41,151,255,.15);--shadow:0 22px 70px rgba(0,0,0,.52);--header-bg:rgba(0,0,0,.9)}
html[data-theme] body{background:var(--page);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}body{overflow-x:clip}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
html[data-theme] .study-nav,html[data-theme] .card,html[data-theme] .reader-tools,html[data-theme] .practice-page .bank-filters,html[data-theme] .practice-page .bank-question{background:var(--surface);border-color:var(--border);color:var(--text)}
html[data-theme] .study-nav .brand{color:var(--text);font-weight:600}
html[data-theme] .muted,html[data-theme] label small,html[data-theme] footer{color:var(--secondary)}
html[data-theme] input,html[data-theme] select,html[data-theme] textarea{background-color:var(--surface);color:var(--text);border-color:var(--border)}
html[data-theme] .study-nav~main .button,html[data-theme] .study-nav~main button:not(.secondary):not([data-bank-view]):not(.room-card){background:var(--blue);color:#fff}
html[data-theme] .study-nav~main .secondary,html[data-theme] .study-nav~main .button.secondary{background:var(--surface-muted);color:var(--text)}
html[data-theme] .study-nav~main a:not(.button){color:var(--blue)}
html[data-theme] .tag,html[data-theme] .notice,html[data-theme] .practice-page .bank-badge{background:var(--blue-soft);color:var(--blue)}
html[data-theme] .notice.error{background:#b2222210;color:#a22b27}
html[data-theme] .pdf-stage{background:var(--surface-pressed)}
html[data-theme] .practice-page .bank-session-bar,html[data-theme] .preview-banner{background:var(--page);border-color:var(--border);color:var(--secondary)}
.practice-page .bank-dialog,.practice-page .bank-body{overflow:visible;overscroll-behavior:auto;max-height:none;height:auto}
.appearance-picker{display:flex;align-items:center;gap:7px;margin:0;min-height:38px;padding:0 10px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);font-size:12px}
.appearance-picker select{min-height:36px;width:auto;padding:0 12px 0 0;border:0;background:transparent;font:inherit;color:inherit;box-shadow:none;cursor:pointer}.appearance-dot{width:10px;height:10px;border-radius:50%;background:var(--page);border:1px solid var(--border)}
.nav-actions{display:flex;align-items:center;gap:10px}.brand{min-height:44px;flex-shrink:0}.nav-links a{white-space:nowrap}.menu-toggle{min-width:44px;min-height:44px}
.hero-pyq-link{margin:22px 0 0;font-size:14px;color:var(--blue)}
.browser-steps{display:none}.resource-browser{scroll-margin-top:76px}#course-description{display:none}
.mobile-menu{overscroll-behavior-y:contain;padding-bottom:calc(24px + env(safe-area-inset-bottom))}.drawer-heading{align-items:center}.drawer-hint{display:none}.drawer-extra{border-top:1px solid var(--border);padding-top:14px}.drawer-extra>summary{padding:8px 0;font-size:13px;color:var(--secondary);cursor:pointer}.drawer-extra .drawer-nav{margin-top:12px}.drawer-extra .drawer-tool{margin-top:18px}.drawer-appearance{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--secondary);font-size:12px;margin:2px 0 14px}.drawer-appearance .appearance-picker{margin-left:auto}.drawer-heading>div>span{display:none}
.study-nav .brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--text);color:var(--page);font-size:14px;font-weight:600}.study-nav{gap:20px;flex-wrap:wrap}.study-nav .brand{order:0}.study-nav>.appearance-picker{order:1;margin-left:auto}.study-nav>div{order:2;flex-wrap:wrap}.study-nav>div a{font-weight:400}
.account-extras{margin-top:24px}.account-extras>summary{padding:12px 0;color:var(--blue);cursor:pointer;font-size:14px}.account-extras .card{margin-top:16px}.account-intro h1{font-weight:650}.account-intro>p{font-size:16px}
@media(max-width:850px){
 .nav-links{display:none}.hero-copy{font-size:17px}.hero-pyq-link{margin-top:18px}.section-header>p{display:none}
 .resource-browser{display:block;min-height:0;overflow:visible}
 .resource-browser[data-browser-step] .browser-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-bottom:1px solid var(--border);padding:0 10px}
 .browser-steps button{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:5px;min-width:0;min-height:60px;padding:10px 8px;border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;color:var(--text);text-align:left;cursor:pointer}
 .browser-steps button span{font-size:10px;color:var(--secondary)}.browser-steps button strong{display:block;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px;line-height:1.4;font-weight:500}.browser-steps button[aria-current]{border-bottom-color:var(--text)}
 .resource-browser[data-browser-step]>.browser-pane,.resource-browser[data-browser-step]>.content-pane{display:none}
 .resource-browser[data-browser-step="branch"]>.branch-pane,.resource-browser[data-browser-step="semester"]>.semester-pane,.resource-browser[data-browser-step="subject"]>.subject-pane,.resource-browser[data-browser-step="content"]>.content-pane{display:block}
 .browser-pane{border:0;padding:16px 12px}.branch-list,.semester-list,.subject-list{max-height:none!important;height:auto!important;overflow:visible!important;overscroll-behavior:auto;touch-action:auto;padding:0;gap:2px}
 .branch-item,.semester-item,.subject-item{min-height:52px}.branch-search{height:44px}.branch-search input{font-size:16px}.semester-item strong,.subject-item strong{white-space:normal;overflow-wrap:anywhere}.content-pane{padding:18px 16px}.browser-path{flex-wrap:wrap;line-height:1.5}.unit-title strong{font-size:14px}.unit-title small{white-space:normal}.folder-contents,.group-contents{padding-left:0}.material-label{white-space:normal;overflow-wrap:anywhere}
 .study-nav{padding:12px 16px;gap:10px}.study-nav>div{width:100%;gap:8px 18px;justify-content:flex-start;font-size:12px}.study-nav .brand{font-size:18px}.wrap{padding:28px 16px}.search-results{grid-template-columns:1fr}.bank-filters{max-height:none!important;overflow:visible!important}.bank-header{flex-wrap:wrap}input,select{font-size:16px}
}
/* A two-second, dismissible brand moment, once per tab. Never a network loader. */

html[data-theme="dark"] .notice.error{background:#4f2727;color:#ffc6c2}
html[data-theme="dark"] .rooms-tabs{background:var(--surface-muted)}

/* HelpDesk Campus: hand-inked art, calm reading surfaces, familiar type. */
html[data-theme]{--art-ink:#26272d;--art-yellow:#f5d84f;--art-red:#ba4546;--art-green:#20855c;--art-blue:#607dd5;--art-line:#26272d;--art-shadow:4px 4px 0 var(--art-line)}
html[data-theme="dark"]{--art-line:#92939c;--art-shadow:4px 4px 0 #3c3d45}
html[data-theme] .brand-mark{background:var(--art-yellow);color:var(--art-ink);border:2px solid var(--art-ink);border-radius:7px 11px 6px 9px;box-shadow:2px 2px 0 var(--art-ink);transform:rotate(-5deg)}
html[data-theme] .site-header,html[data-theme] .study-nav,html[data-theme] .seo-header{border-bottom:1px solid var(--border)}
.campus-art{position:relative;margin:0;border:2px solid var(--art-ink);border-radius:13px 19px 12px 17px;box-shadow:var(--art-shadow);overflow:hidden;background:var(--art-blue);isolation:isolate;min-width:0}
.campus-art img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.campus-art figcaption{position:absolute;left:16px;bottom:14px;max-width:calc(100% - 32px);padding:8px 12px;background:var(--art-yellow);color:var(--art-ink);border:2px solid var(--art-ink);border-radius:3px;transform:rotate(-3deg);font-size:12px;font-weight:650;box-shadow:2px 2px 0 var(--art-ink)}
html[data-theme] .hero{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-items:center;gap:48px;padding-top:66px;padding-bottom:76px;text-align:left}
html[data-theme] .hero h1{font-size:clamp(42px,4.6vw,68px);line-height:1.05;letter-spacing:-.055em;margin:18px 0 24px;max-width:none}
html[data-theme] .hero h1 span{color:var(--text)}
.hero-words{min-width:0}.hero-words h1 span{background:linear-gradient(transparent 86%,var(--art-yellow) 86%,var(--art-yellow) 96%,transparent 96%)}
html[data-theme] .hero-copy{max-width:340px;font-size:17px;line-height:1.6;margin:0;color:var(--secondary)}
html[data-theme] .hero-pyq-link{margin:28px 0 0}
html[data-theme] .hero-pyq-link a{display:inline-flex;align-items:center;min-height:46px;padding:10px 20px;border:2px solid var(--art-ink);border-radius:7px;background:var(--art-yellow);color:var(--art-ink);box-shadow:3px 3px 0 var(--art-ink);font-size:14px;font-weight:650;transition:transform .18s,box-shadow .18s}
html[data-theme] .hero-pyq-link a:hover{transform:translate(-1px,-2px);box-shadow:4px 5px 0 var(--art-ink)}
html[data-theme] .overline,html[data-theme] .eyebrow{color:var(--secondary)}
html[data-theme] .resource-browser{border:1px solid var(--art-line);box-shadow:3px 3px 0 var(--art-line);border-radius:12px;overflow:hidden}
html[data-theme] .branch-item.active,html[data-theme] .semester-item.active,html[data-theme] .subject-item.active{background:var(--art-yellow);color:var(--art-ink)}
html[data-theme] .branch-item.active *,html[data-theme] .semester-item.active *,html[data-theme] .subject-item.active *{color:var(--art-ink)}
html[data-theme] .subject-code{background:var(--art-yellow);color:var(--art-ink);border:1px solid var(--art-ink);border-radius:9px 5px 10px 5px}
html[data-theme] .section-heading h2,html[data-theme] .section-heading-row h2{letter-spacing:-.045em}
html[data-theme] #syllabus{border-top:4px solid var(--art-green)}
html[data-theme] .bank-launch{display:grid;grid-template-columns:minmax(0,1fr) minmax(200px,.65fr);gap:30px;align-items:center}
.launch-art{grid-column:2;grid-row:1 / span 5;max-width:420px;justify-self:end}
html[data-theme] .study-nav~main button:not(.secondary):not([data-bank-view]):not(.room-card):not([data-study-tab]),html[data-theme] .study-nav~main .button{border:1px solid var(--art-ink);box-shadow:2px 2px 0 var(--art-ink);border-radius:7px}
html[data-theme] .card,html[data-theme] .bank-question,html[data-theme] .create-room-dialog{border-radius:10px;border:1px solid var(--art-line)}
html[data-theme] .rooms-hero{display:grid;grid-template-columns:1fr .8fr;align-items:center;gap:36px;padding-bottom:36px}
.rooms-art{max-width:420px;justify-self:end;transform:rotate(1deg)}
html[data-theme] .room-card{border:1px solid var(--art-line);border-top:5px solid var(--art-blue);border-radius:9px;box-shadow:2px 2px 0 var(--art-line);transition:transform .18s,box-shadow .18s}
html[data-theme] .room-card:nth-child(3n+2){border-top-color:var(--art-green)}html[data-theme] .room-card:nth-child(3n){border-top-color:var(--art-red)}
html[data-theme] .room-card:hover{transform:translateY(-3px);box-shadow:3px 5px 0 var(--art-line)}
html[data-theme] .rank-row{border-radius:8px}.rank-row:first-child>span{color:var(--text);background:var(--art-yellow);color:var(--art-ink);border:1px solid var(--art-ink);border-radius:50%;width:32px;height:32px;text-align:center;line-height:30px}
html[data-theme] .rooms-tabs{border:1px solid var(--border);border-radius:9px}
html[data-theme] .rooms-tabs button[aria-pressed=true]{background:var(--art-yellow)!important;color:var(--art-ink)!important;box-shadow:1px 2px 0 var(--art-ink);border-radius:6px}
html[data-theme] .study-overview>div{border-radius:8px;border-top:3px solid var(--art-blue)}
html[data-theme] .study-overview>div:nth-child(even){border-top-color:var(--art-green)}
.profile-art{margin:28px 0;max-width:480px}.search-art{float:right;width:32%;max-width:290px;margin:-100px 0 20px 28px}.search-form{clear:both}
.practice-intro{position:relative;padding-right:220px;min-height:128px;display:flex;flex-direction:column;justify-content:center}.practice-art{position:absolute;right:0;top:0;width:185px}.practice-intro>p{max-width:650px}
html[data-theme] .study-badge{border:1px solid var(--border);border-radius:9px;padding-top:24px;overflow:hidden}
html[data-theme] .study-badge.earned{border-color:var(--art-line);box-shadow:2px 2px 0 var(--art-line)}
html[data-theme] .study-badge .badge-icon{width:64px;height:64px;position:relative;font-size:28px;background:var(--surface-muted);border:2px solid var(--art-line);border-radius:42% 48% 43% 49%;box-shadow:3px 3px 0 var(--art-line);transform:rotate(-5deg);margin:0 0 22px 3px;filter:grayscale(1);opacity:.7}
html[data-theme] .study-badge.earned .badge-icon{background:var(--art-yellow);color:var(--art-ink);filter:none;opacity:1}
html[data-theme] .study-badge.earned:nth-child(3n+2) .badge-icon{background:#91c7a9}html[data-theme] .study-badge.earned:nth-child(3n) .badge-icon{background:#99aceb}
html[data-theme] .study-badge.earned:after{content:'✦';position:absolute;right:15px;top:14px;font-size:22px;color:var(--art-green)}
.badge-chest{margin:0 0 28px;border:1px solid var(--art-line);border-radius:12px;background:var(--surface);overflow:hidden}
.badge-chest>summary{display:flex;align-items:center;gap:24px;cursor:pointer;padding:18px;list-style:none}.badge-chest>summary::-webkit-details-marker{display:none}.badge-chest>summary:after{content:'+';font-size:26px;margin-left:auto}.badge-chest[open]>summary:after{content:'−'}
.badge-chest>summary img{width:160px;aspect-ratio:3/2;object-fit:cover;border:2px solid var(--art-ink);border-radius:7px;flex:none}
.badge-chest strong{font-size:22px;letter-spacing:-.03em;display:block}.badge-chest small{display:block;margin-top:8px;color:var(--secondary);font-size:13px}
.badge-chest>.badge-grid{padding:0 18px 18px}.badge-chest[open]>.badge-grid{animation:chest-reveal .3s ease both}@keyframes chest-reveal{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
html[data-theme] .focus-clock{border:1px solid var(--border);border-top:4px solid var(--art-green);border-radius:9px}
@media(max-width:1000px){html[data-theme] .hero{gap:28px}html[data-theme] .hero h1{font-size:48px}.campus-art figcaption{font-size:10px;padding:6px 9px}}
@media(max-width:700px){html[data-theme] .hero{grid-template-columns:1fr;gap:28px;padding-top:36px;padding-bottom:44px}html[data-theme] .hero h1{font-size:clamp(38px,10.5vw,54px);margin:14px 0 20px}.hero-art{max-width:560px;width:100%;justify-self:center}.hero-art img{aspect-ratio:16/10;object-position:center 48%}.hero-art figcaption{font-size:11px}html[data-theme] .hero-copy{font-size:16px;max-width:100%}html[data-theme] .hero-pyq-link{margin-top:22px}html[data-theme] .bank-launch{grid-template-columns:1fr;gap:16px}.launch-art{grid-column:auto;grid-row:auto;justify-self:start;max-width:340px;width:100%}html[data-theme] .rooms-hero{grid-template-columns:1fr;gap:22px}.rooms-art{width:100%;max-width:460px;justify-self:start;transform:none}.rooms-art img{aspect-ratio:2/1}.practice-intro{padding-right:0;min-height:0}.practice-art{position:static;width:min(100%,340px);margin-top:18px}.search-art{float:none;width:100%;max-width:360px;margin:24px 0}.profile-art{max-width:420px}.badge-chest>summary{gap:14px;padding:12px}.badge-chest>summary img{width:100px}.badge-chest strong{font-size:18px}.badge-chest small{font-size:12px}.badge-chest>.badge-grid{padding:0 12px 12px}html[data-theme] .study-badge .badge-icon{width:54px;height:54px;font-size:24px}}
@media(prefers-reduced-motion:reduce){html[data-theme] .room-card:hover,html[data-theme] .hero-pyq-link a:hover{transform:none}.badge-chest[open]>.badge-grid{animation:none}}
/* Native image dimensions must not turn a collection preview into a tall banner. */
.badge-chest>summary img{height:auto}
html[data-theme] .study-badge .badge-icon[data-medal]{background-image:url('/art/medals.webp');background-size:300% 200%;background-color:#fffbed;background-repeat:no-repeat;font-size:0;border:0;border-radius:50%;box-shadow:2px 3px 0 var(--art-line);width:74px;height:74px;transform:rotate(-4deg)}
html[data-theme] .study-badge .badge-icon[data-medal="book"]{background-position:0 0}html[data-theme] .study-badge .badge-icon[data-medal="clock"]{background-position:50% 0}html[data-theme] .study-badge .badge-icon[data-medal="flame"]{background-position:100% 0}html[data-theme] .study-badge .badge-icon[data-medal="star"]{background-position:0 100%}html[data-theme] .study-badge .badge-icon[data-medal="friends"]{background-position:50% 100%}html[data-theme] .study-badge .badge-icon[data-medal="flower"]{background-position:100% 100%}
@media(max-width:700px){html[data-theme] .study-badge .badge-icon[data-medal]{width:62px;height:62px}}

/* A whole campus in the margins: decorative art never overlays study content. */
.ink-sticker{display:inline-block;vertical-align:middle;flex:none;width:64px;height:64px;background-image:url('/art/stickers.webp');background-repeat:no-repeat;background-size:300% 300%;background-color:#fffbea;border-radius:18% 23% 17% 24%;transform:rotate(-6deg);box-shadow:2px 3px 0 #26272d;pointer-events:auto}
.ink-book{background-position:0 0}.ink-chai{background-position:50% 0}.ink-tiffin{background-position:100% 0}.ink-bulb{background-position:0 50%}.ink-pencil{background-position:50% 50%}.ink-backpack{background-position:100% 50%}.ink-clock{background-position:0 100%}.ink-kite{background-position:50% 100%}.ink-flower{background-position:100% 100%}
.sticker-tiny{width:34px;height:34px;box-shadow:1px 2px 0 #26272d}.sticker-large{width:100px;height:100px}.campus-margins{display:flex;align-items:center;gap:18px;flex-wrap:wrap;min-width:0}.campus-margins .ink-sticker:nth-child(even){transform:rotate(7deg)}
.hero-doodles{margin-top:30px;gap:17px}.hero-doodles .ink-sticker{width:48px;height:48px}.heading-doodles{margin-left:auto}.section-vignette{width:280px;flex:none;max-width:38%;margin-left:auto}.section-vignette img{aspect-ratio:16/9}.help-heading{flex-wrap:wrap;gap:24px}.help-heading>p{max-width:250px}
html[data-theme] #resources>.section-header{flex-wrap:wrap;gap:24px}.footer-doodles{padding:24px 0 36px;border-top:1px solid var(--border);justify-content:space-between;width:100%;flex-basis:100%}.site-footer>.shell{flex-wrap:wrap}.site-footer>.footer-doodles{max-width:1240px;margin:auto; padding:24px 24px 36px}.page-end-doodles{margin-top:50px;padding:28px 0;border-top:1px solid var(--border);justify-content:space-around}
.drawer-heading>.ink-sticker{width:46px;height:46px}.drawer-extra>summary .ink-sticker{margin-right:10px}.leaderboard-art{width:100%;max-width:680px;margin:0 0 28px}.leaderboard-art img{aspect-ratio:2.7/1;object-position:50% 40%}#badges-panel>.rooms-heading{flex-wrap:wrap}#badges-panel>.rooms-heading>.ink-sticker{width:48px;height:48px}.focus-clock>.ink-sticker{width:54px;height:54px;margin:0 auto 18px}.dialog-doodles{justify-content:center;margin-top:24px}.dialog-doodles .ink-sticker{width:42px;height:42px}.profile-doodles{margin-bottom:24px}
.bank-header>.ink-sticker{width:50px;height:50px;margin-left:auto}.bank-header>#bank-close{order:1}.bank-toolbar>.ink-sticker{margin-right:8px}.bank-footnote>.ink-sticker{margin-right:12px}.reader-tools>.ink-sticker{width:30px;height:30px}.room-empty>.ink-sticker,.empty-state>.ink-sticker,.bank-empty>.ink-sticker,.search-empty>.ink-sticker{display:block;margin:0 auto 22px}.syllabus-group .group-index>.ink-sticker{width:36px;height:36px;box-shadow:1px 2px 0 #26272d}
.whatsapp-group-card>.ink-sticker{margin-left:auto}.seo-header>.ink-sticker{margin-left:14px}
@media(max-width:700px){.campus-margins{gap:12px}.hero-doodles{margin-top:25px}.hero-doodles .ink-sticker{width:42px;height:42px}.heading-doodles .ink-sticker{width:46px;height:46px}.section-vignette{width:160px;max-width:45%}.help-heading .section-vignette{width:100%;max-width:100%}.help-heading .section-vignette img{aspect-ratio:2/1}.help-heading>p{max-width:none}.footer-doodles{gap:18px;justify-content:space-around}.footer-doodles .ink-sticker,.page-end-doodles .ink-sticker{width:42px;height:42px}.page-end-doodles{margin-top:32px}.whatsapp-group-card>.ink-sticker{width:56px;height:56px}.bank-header>.ink-sticker{width:35px;height:35px}.reader-tools>.ink-sticker{display:none}.leaderboard-art img{aspect-ratio:2/1}.syllabus-group .group-index>.ink-sticker{width:26px;height:26px}}
/* 3D artwork response uses transforms only and never changes the hit area's layout. */
.campus-art,.ink-sticker,.badge-icon[data-medal],.badge-chest>summary>img{transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s ease;transform-origin:50% 50%;backface-visibility:hidden}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
 .campus-art.is-art-tilting,.ink-sticker.is-art-tilting,.campus-margins .ink-sticker.is-art-tilting,html[data-theme] .study-badge .badge-icon[data-medal].is-art-tilting,.badge-chest>summary>img.is-art-tilting{transform:perspective(900px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) translateY(-4px) scale(1.015);transition:transform .12s ease-out,box-shadow .25s ease;will-change:transform;box-shadow:6px 9px 0 #26272d55}
 .campus-art.is-art-tilting::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(125deg,#ffffff20,transparent 55%);border-radius:inherit}
}
@media(prefers-reduced-motion:reduce){.campus-art,.ink-sticker,.badge-icon[data-medal],.badge-chest>summary>img{transition:none!important}}
/* Bring the illustrated palette into the interface itself. */
html[data-theme="light"]{--page:#fbfaf6;--header-bg:rgba(251,250,246,.94);--campus-blue-wash:#eaf0ff;--campus-red-wash:#fff0e9}
html[data-theme="cream"]{--campus-blue-wash:#e9ecf5;--campus-red-wash:#f6e7d9}
html[data-theme="dark"]{--campus-blue-wash:#131c2c;--campus-red-wash:#261b1a}
html[data-theme] #syllabus{background:var(--campus-blue-wash);border-top:3px solid var(--art-ink);border-bottom:3px solid var(--art-ink)}
html[data-theme] .help-section{background:var(--campus-red-wash);border:2px solid var(--art-line);border-radius:15px 25px 17px 22px;padding:40px 28px;box-shadow:4px 5px 0 var(--art-line);margin-top:50px;margin-bottom:50px}
html[data-theme] .section-header .overline{display:inline-block;background:var(--art-yellow);color:var(--art-ink);padding:5px 9px;border:1px solid var(--art-ink);border-radius:3px;transform:rotate(-2deg);font-size:10px}
html[data-theme] .section-header h2{margin-top:12px}
html[data-theme] .pane-title{border-bottom:1px dashed var(--art-line)}
html[data-theme] .primary-button,html[data-theme] .study-nav~main #focus-start,html[data-theme] .study-nav~main #create-room-open,html[data-theme] .study-nav~main #pdf-search button{background:var(--art-yellow);color:var(--art-ink);border:2px solid var(--art-ink);border-radius:6px 9px 6px 9px;box-shadow:3px 3px 0 var(--art-ink)}
html[data-theme] .bank-launch-card{border:2px solid var(--art-line);border-radius:12px 19px 12px 17px;box-shadow:3px 4px 0 var(--art-line);background:var(--surface)}
html[data-theme] .mobile-menu{border-left:2px solid var(--art-line);box-shadow:-6px 0 0 #26272d20}
html[data-theme] .room-card .room-joined{background:var(--campus-blue-wash);color:var(--text);width:fit-content;padding:4px 8px;border-radius:4px;border:1px solid var(--border)}
html[data-theme] .badge-chest{border:2px solid var(--art-line);box-shadow:3px 4px 0 var(--art-line)}
@media(max-width:700px){html[data-theme] .help-section{padding:26px 18px;margin-block:34px}.section-vignette{max-width:43%}.heading-doodles{gap:10px}}
html[data-theme] #syllabus .section-header{display:flex;align-items:center;justify-content:space-between;gap:24px}
html[data-theme] #syllabus .section-header>div{min-width:0}
@media(max-width:700px){html[data-theme] #syllabus .section-header{gap:16px}.section-vignette{width:120px;flex-shrink:0}html[data-theme] #syllabus .section-header h2{font-size:clamp(29px,8vw,40px)}}
@media(max-width:700px){html[data-theme] #syllabus .section-header{flex-direction:row;align-items:center}html[data-theme] #syllabus .section-header .overline{font-size:8px;letter-spacing:.12em;padding:5px 6px}html[data-theme] #syllabus .section-vignette{width:112px;max-width:38%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-delay:0ms!important;transition-duration:.01ms!important}}
/* One lantern, two themes. On = Cream; off = Dark. */
html[data-theme] .lantern-toggle{position:relative;display:inline-flex;align-items:center;justify-content:center;flex:none;width:52px;height:52px;min-width:48px;min-height:48px;padding:0;margin:0;border:0;border-radius:10px;background:transparent;color:var(--text);box-shadow:none;cursor:pointer;transform-origin:50% 10%;-webkit-tap-highlight-color:transparent}
.lantern-art{display:block;width:48px;height:48px;background:url('/art/lantern.webp') no-repeat 100% 0 / 200% 100%;pointer-events:none}
html[data-theme="cream"] .lantern-art{background-position:0 0;filter:drop-shadow(0 0 5px #ffc63888);animation:lantern-flicker 2.8s ease-in-out infinite}
.lantern-toggle:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.study-nav>.lantern-toggle{margin-left:auto!important}.study-nav>.lantern-toggle+div{margin-left:8px}
@keyframes lantern-flicker{0%,100%{filter:drop-shadow(0 0 4px #ffc63866)}45%{filter:drop-shadow(0 0 8px #ffc638aa)}60%{filter:drop-shadow(0 0 5px #ffc63877)}}
html[data-theme] .branch-item,html[data-theme] .semester-item,html[data-theme] .subject-item{font-size:14px;font-weight:600}
html[data-theme] .branch-item strong,html[data-theme] .semester-item strong,html[data-theme] .subject-item strong{font-weight:650}
@media(max-width:700px){
 html[data-theme] .browser-steps button{min-height:82px;padding:10px 7px;gap:5px}
 html[data-theme] .browser-steps button span{font-size:11px;font-weight:600}
 html[data-theme] .browser-steps button strong{font-size:14px;font-weight:650;white-space:normal;line-height:1.35;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;max-height:38px}
 html[data-theme] .branch-item,html[data-theme] .semester-item,html[data-theme] .subject-item{font-size:16px;min-height:58px;font-weight:600}
 html[data-theme] .semester-item strong,html[data-theme] .subject-item strong{font-size:15px}
 html[data-theme] .unit-title strong,html[data-theme] .material-label{font-size:15px;font-weight:600}
 .nav-actions{gap:8px}.study-nav>.lantern-toggle{position:absolute;right:16px;top:8px}.study-nav{position:relative}.study-nav>.brand{padding-right:55px}.study-nav>.lantern-toggle+div{margin-left:0}
}
@media(prefers-reduced-motion:reduce){html[data-theme="cream"] .lantern-art{animation:none}}
.form-doodles{justify-content:flex-end;gap:10px;margin:8px 0 16px}.form-doodles .ink-sticker{width:36px;height:36px}
html[data-theme] .browser-steps button[aria-current]{background:var(--campus-blue-wash);border-bottom:3px solid var(--art-green)}
html[data-theme] #account-root .tabs button[aria-pressed="true"]{background:var(--art-yellow);color:var(--art-ink);border:1px solid var(--art-ink);box-shadow:2px 2px 0 var(--art-ink)}
/* The server-rendered PYQ catalogue belongs to the same HelpDesk campus. */
html[data-theme] .seo-header{position:relative;gap:24px;flex-wrap:wrap;padding-block:16px}
html[data-theme] .seo-brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:19px;letter-spacing:-.04em}
html[data-theme] .seo-brand span{margin:0}.seo-brand .brand-mark{display:grid;place-items:center;width:32px;height:32px;font-size:18px}
html[data-theme] .seo-header nav{font-size:14px;gap:20px}.seo-header>.ink-sticker{display:none}
.seo-campus-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:40px;align-items:center;margin:20px 0 65px;min-width:0}.seo-campus-hero>div{min-width:0}
html[data-theme] .seo-campus-hero h1{font-size:clamp(38px,4.2vw,58px);max-width:100%;line-height:1.08;margin:18px 0 22px}
html[data-theme] .seo-overline{display:inline-block;padding:6px 9px;margin:0;background:var(--art-yellow);color:var(--art-ink);border:1px solid var(--art-ink);transform:rotate(-2deg);font-size:10px;border-radius:3px}
html[data-theme] .seo-lead{font-size:17px;line-height:1.6}.seo-campus-hero .seo-actions{margin:26px 0 0;gap:18px}.seo-campus-hero .campus-art figcaption{font-size:11px}
html[data-theme] .seo-actions .seo-button{background:var(--art-yellow);color:var(--art-ink);border:2px solid var(--art-ink);box-shadow:3px 3px 0 var(--art-ink);border-radius:7px;font-size:14px}
html[data-theme] .seo-card{position:relative;border:1px solid var(--art-line);border-top:5px solid var(--art-blue);border-radius:9px 15px 9px 12px;box-shadow:2px 3px 0 var(--art-line);transition:transform .18s,box-shadow .18s}
html[data-theme] .seo-card:nth-child(3n+2){border-top-color:var(--art-green)}html[data-theme] .seo-card:nth-child(3n){border-top-color:var(--art-red)}
.seo-card>.ink-sticker{width:48px;height:48px;margin-bottom:18px}html[data-theme] .seo-card h3{font-size:19px;font-weight:650}.seo-card:hover{transform:translateY(-3px)}
html[data-theme] .seo-guide{padding:28px;background:var(--campus-blue-wash);border:1px solid var(--art-line);border-radius:12px}
html[data-theme] .seo-question{border:1px solid var(--art-line);border-radius:9px}.seo-question-text{color:var(--text)}html[data-theme] .seo-topics li{background:var(--surface);border-radius:5px}html[data-theme] .seo-papers a{font-weight:600}
@media(max-width:760px){.seo-campus-hero{grid-template-columns:1fr;gap:28px;margin:12px 0 44px}.seo-campus-art{max-width:560px;width:100%;justify-self:center}.seo-campus-hero .seo-actions{margin-bottom:0}html[data-theme] .seo-header{gap:12px}html[data-theme] .seo-header nav{width:100%;justify-content:space-between;gap:10px;font-size:13px}.seo-header nav>.lantern-toggle{position:absolute;right:0;top:7px}.seo-header .seo-brand{min-height:44px;padding-right:52px}html[data-theme] .seo-campus-hero h1{font-size:clamp(36px,9vw,48px)}html[data-theme] .seo-guide{padding:22px 18px}}
@media(prefers-reduced-motion:reduce){.seo-card:hover{transform:none}}
/* The profile always sits at the right edge of the public navigation. */
.profile-control{position:relative;display:flex!important;align-items:center;flex:0 0 auto;gap:0!important;width:auto!important;margin-left:auto;z-index:45}
.profile-control .profile-trigger{display:flex!important;align-items:center;justify-content:center;padding:3px!important;min-width:46px;min-height:46px;width:46px;height:46px;border:2px solid var(--text,#222)!important;border-radius:50%!important;background:var(--surface,#fff)!important;color:var(--text,#222)!important;box-shadow:2px 2px 0 #242424;cursor:pointer}
.campus-avatar{display:inline-flex;flex:none;width:100%;height:100%;aspect-ratio:1;border-radius:50%;background-color:#f6f0e5;background-image:url('/art/avatars.webp');background-size:600% 400%;background-position:var(--avatar-x,0%) var(--avatar-y,0%);background-repeat:no-repeat;overflow:hidden;vertical-align:middle}
.campus-avatar.uploaded-avatar{object-fit:cover;background-image:none}
.campus-avatar.avatar-initial{align-items:center;justify-content:center;background-image:none;color:#242424;font-size:20px;font-weight:800}
.profile-popover{position:absolute;top:calc(100% + 12px);right:0;width:min(272px,calc(100vw - 32px));padding:12px;border:2px solid var(--text,#222);border-radius:18px;background:var(--surface,#fff);color:var(--text,#222);box-shadow:5px 6px 0 #24242425;display:grid;gap:3px;text-align:left}
.profile-popover[hidden]{display:none!important}
.profile-popover a{display:block!important;padding:12px!important;font-size:15px!important;font-weight:650;color:inherit;border-radius:10px;text-decoration:none;white-space:normal}
.profile-popover a:hover,.profile-popover a:focus-visible{background:var(--surface-muted,#eee5d3)}
.profile-menu-name{margin:4px 12px 8px!important;font-weight:750;font-size:16px;overflow-wrap:anywhere}
.profile-menu-name small{display:block;font-weight:500;font-size:13px;opacity:.7;margin-top:3px}
.profile-control .profile-trigger:focus-visible,.avatar-option:has(input:focus-visible){outline:3px solid #577be5;outline-offset:4px}
.profile-identity{display:flex;align-items:center;gap:18px;margin:20px 0}
.profile-identity>.campus-avatar{width:88px;height:88px;border:2px solid var(--text,#222);box-shadow:4px 4px 0 #24242420}
.profile-identity strong{display:block;font-size:22px;overflow-wrap:anywhere}
.profile-identity span:not(.campus-avatar){display:block;font-size:15px}
.avatar-collection{margin:24px 0;border-block:1px solid var(--border,#ded5c5);padding:18px 0;scroll-margin-top:100px}
.avatar-collection summary{cursor:pointer;font-size:17px;font-weight:750}
.avatar-collection summary span{display:block;margin-top:4px;font-size:13px;font-weight:500;opacity:.7}
.avatar-collection fieldset{min-width:0;margin:20px 0;border:0;padding:0}
.avatar-collection legend{font-size:14px;font-weight:650;margin-bottom:12px}
.avatar-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.avatar-option{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;margin:0;padding:7px;border:2px solid transparent;border-radius:14px;cursor:pointer;min-width:0}
.avatar-option input{position:absolute;opacity:0;width:1px;height:1px;min-height:0;pointer-events:none}
.avatar-option .campus-avatar{width:100%;height:auto;border:1px solid #24242440}
.avatar-option:has(input:checked){border-color:#242424;background:#f6d95c;color:#242424;box-shadow:3px 3px 0 #242424}
.avatar-name{font-size:11px;font-weight:650;text-align:center;line-height:1.3;overflow-wrap:anywhere}
.photo-upload{margin-bottom:20px;font-size:14px}
.photo-upload summary{cursor:pointer}
.profile-page .wrap{max-width:1200px}
.profile-page .grid{grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr)}
.profile-page .study-overview{grid-template-columns:repeat(2,minmax(0,1fr))}
.profile-page #profile-study,.profile-page #profile{scroll-margin-top:100px}
.study-nav>.profile-control{order:3;margin-left:0}
@media(max-width:700px){.study-nav>.profile-control{order:0;margin-left:auto}.study-nav>.brand{order:0}.study-nav>[data-theme-toggle]{order:0}.study-nav>div:not(.profile-control){order:4}.profile-page .grid{grid-template-columns:1fr}.profile-page .account-intro .profile-art{display:none}.profile-page .wrap{padding-top:24px}.profile-page h1{font-size:32px}.avatar-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.avatar-option{padding:5px}.profile-control .profile-trigger{width:44px;height:44px;min-width:44px;min-height:44px}.profile-page .card{padding:20px}.profile-page .account-extras{margin-bottom:20px}}
@media(prefers-reduced-motion:no-preference){.profile-popover:not([hidden]){animation:profile-arrive .16s ease-out}.avatar-option .campus-avatar{transition:transform .18s ease}.avatar-option:hover .campus-avatar{transform:rotate(-4deg) translateY(-2px)}@keyframes profile-arrive{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.help-section .whatsapp-group-card{margin:16px 0 24px;padding:20px;display:flex;align-items:center;gap:16px;box-shadow:none;border:1px solid var(--border);border-radius:16px;background:var(--surface)}
.help-section .whatsapp-group-card .whatsapp-group-logo{width:44px;height:44px;flex:0 0 44px}
.help-section .whatsapp-group-card .whatsapp-group-logo img{width:100%;height:100%;object-fit:contain}
.help-section .whatsapp-group-card h2{font-size:22px;margin:4px 0;font-weight:750}
.help-section .whatsapp-group-card p{font-size:14px;margin:4px 0}
.help-section .whatsapp-group-card .overline{font-size:10px}
.help-section .whatsapp-group-action{margin-left:auto;flex-shrink:0;padding:12px 18px;min-height:44px;font-size:14px}
.help-section .whatsapp-group-card>.ink-sticker{display:none}
.help-section .creator-row-label{margin:0 0 10px;font-size:12px;color:var(--secondary);font-weight:600}
.help-section .contact-grid{gap:20px}
.help-section .contact-card{padding:0;border:0;background:transparent;box-shadow:none;border-radius:0}
.help-section .contact-card .profile-trigger{padding:12px 0;gap:12px;min-height:64px;display:flex;width:100%;align-items:center;background:transparent;border:0;box-shadow:none}
.help-section .profile-trigger>img{width:44px;height:44px;object-fit:cover;border-radius:50%;flex:0 0 44px}
.help-section .profile-copy strong{font-size:15px;font-weight:650}
.help-section .profile-copy small{font-size:11px}
.help-section .profile-arrow{width:26px;height:26px;font-size:18px;margin-left:auto}
.help-section .help-heading .section-vignette,.help-section .help-heading .campus-art{max-width:150px}
.help-section .help-heading h2{font-size:clamp(26px,4vw,36px)}
@media(max-width:600px){.help-section .whatsapp-group-card{flex-wrap:wrap;padding:16px;gap:12px}.help-section .whatsapp-group-card>div{flex:1;min-width:160px}.help-section .whatsapp-group-action{margin-left:0;width:100%}.help-section .contact-grid{grid-template-columns:1fr;gap:0}.help-section .help-heading .campus-art{display:none}}
/* Reserve the top row for home, theme and profile on narrow screens. */
@media(max-width:700px){.study-nav>.profile-control{position:absolute;right:16px;top:12px;margin:0}.study-nav>.lantern-toggle{right:68px;top:8px}.study-nav>.brand{padding-right:110px;min-height:48px}.avatar-name{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.avatar-option{min-height:44px}}
@media(max-width:760px){.seo-header .profile-control{position:absolute;right:0;top:12px;margin:0}.seo-header nav>.lantern-toggle{right:56px;top:7px}.seo-header .seo-brand{padding-right:110px}}
.profile-control .campus-avatar{width:100%;height:100%;object-fit:cover;border-radius:50%}
.study-nav{position:relative;padding-right:calc(max(20px,(100vw - 1240px)/2) + 58px)}
.study-nav>.profile-control{position:absolute;right:max(20px,calc((100vw - 1240px)/2));top:17px;margin:0}
.seo-header{position:relative;padding-right:60px}
.seo-header .profile-control{position:absolute;right:0;top:12px;margin:0}
@media(max-width:700px){.study-nav{padding-right:16px}.study-nav>.profile-control{right:16px;top:12px}}
.profile-page .grid>section,.profile-page .card{min-width:0;overflow-wrap:anywhere}
.profile-page input{min-width:0;max-width:100%}
@media(max-width:700px){.profile-page .grid{grid-template-columns:minmax(0,1fr)}}
/* Practice is one illustrated invitation, with a shared frame around both halves. */
html[data-theme] .bank-launch{display:block}
html[data-theme] .bank-launch .bank-launch-card{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:0;padding:0;overflow:hidden;border-radius:18px;align-items:stretch}
.bank-launch .bank-launch-copy{min-width:0;padding:clamp(26px,4vw,48px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.bank-launch .bank-launch-copy h2{font-size:clamp(30px,4vw,48px);margin:10px 0 14px}
.bank-launch .bank-launch-copy>p:not(.overline){font-size:17px;line-height:1.6;max-width:32ch;margin:0 0 26px}
.bank-launch .bank-launch-copy .overline{font-size:11px;letter-spacing:.13em;margin:0}
.bank-launch .launch-art{grid-column:auto;grid-row:auto;justify-self:stretch;align-self:stretch;width:100%;height:100%;min-width:0;max-width:none;margin:0;border:0;border-radius:0;box-shadow:none;transform:none!important;overflow:hidden;border-left:2px solid var(--art-line)}
.bank-launch .launch-art img{display:block;width:100%;height:100%;min-height:300px;aspect-ratio:auto;object-fit:cover;object-position:50% 45%;border:0;border-radius:0}
@media(max-width:700px){html[data-theme] .bank-launch .bank-launch-card{grid-template-columns:minmax(0,1fr);border-radius:16px}.bank-launch .launch-art{grid-row:1;height:auto;border-left:0;border-bottom:2px solid var(--art-line)}.bank-launch .launch-art img{height:auto;min-height:0;aspect-ratio:1.9;object-position:50% 40%}.bank-launch .bank-launch-copy{padding:24px}.bank-launch .bank-launch-copy h2{font-size:30px;margin:8px 0 12px}.bank-launch .bank-launch-copy>p:not(.overline){font-size:16px;margin-bottom:22px}.bank-launch .bank-launch-copy .primary-button{width:100%;min-height:48px}}
/* Shared illustrated frames keep each tool and its artwork together. */
html[data-theme] .tool-card,html[data-theme] .feature-card{border:2px solid var(--art-line);border-radius:18px;background:var(--surface);color:var(--text);box-shadow:3px 4px 0 var(--art-line);overflow:hidden}
html[data-theme] .tool-card-head{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:stretch;gap:0;padding:0;margin:0;min-width:0}
.tool-card-head>.tool-card-copy{min-width:0;padding:clamp(24px,3.5vw,42px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
html[data-theme] .tool-card-head h1,html[data-theme] .tool-card-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.12;letter-spacing:-.04em;margin:8px 0 14px}
.tool-card-head .tool-card-copy>p:not(.overline):not(.eyebrow):not(.seo-overline){max-width:38ch;font-size:16px;line-height:1.6;margin:0;color:var(--secondary)}
.tool-card-head .overline,.tool-card-head .eyebrow,.tool-card-head .seo-overline{font-size:11px;margin:0;letter-spacing:.12em}
.tool-card-head>.tool-card-art{position:static;grid-column:auto;grid-row:auto;align-self:stretch;justify-self:stretch;width:100%;max-width:none;height:100%;min-width:0;margin:0;border:0;border-left:2px solid var(--art-line);border-radius:0;box-shadow:none;transform:none!important;overflow:hidden}
.tool-card-head>.tool-card-art img{display:block;width:100%;height:100%;min-height:210px;max-height:300px;aspect-ratio:auto;object-fit:cover;object-position:center;border-radius:0}
.tool-card-body{min-width:0;padding:24px 30px;border-top:1px solid var(--art-line)}
html[data-theme] #syllabus{border-top:0;background:transparent;padding:32px 0}
.syllabus-card .syllabus-list{margin:0;border:0}
.syllabus-card .syllabus-group{background:transparent;border-radius:0}
.syllabus-card .syllabus-group:last-child{border-bottom:0}
.syllabus-card .group-summary{padding:18px 0;gap:16px}
.syllabus-card .group-summary h3{font-size:22px}
.syllabus-card .group-index .ink-sticker{width:36px;height:36px}
html[data-theme] .rooms-hero.feature-card{margin-bottom:30px;padding:0}
.leaderboard-welcome{margin:0 0 26px!important}
.leaderboard-welcome .rooms-heading{margin:0;width:100%}
.leaderboard-range{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;margin:8px 0 0;max-width:100%}
.leaderboard-range select{width:auto;min-width:130px;max-width:100%;font-size:14px}
.search-tool-card{margin-bottom:28px}
.search-tool-card .search-form{margin:0;min-width:0}
.search-tool-card .search-form input{min-width:0}
.practice-tool-card{margin:24px 0}
.practice-page .practice-tool-card .bank-header{padding:0;border:0;margin:0;gap:12px;flex-wrap:wrap;align-items:center;width:100%}
.practice-tool-card .bank-header>.ink-sticker{display:none}
.practice-page .practice-tool-card .bank-header h2{font-size:clamp(28px,3.5vw,42px)}
.practice-tool-card .practice-intro{position:static;display:block;padding:0;min-height:0;margin:12px 0 0}
.practice-tool-card .practice-intro p{margin:0 0 12px;color:var(--secondary);font-size:16px}
.practice-tool-card .practice-intro a{font-size:14px;font-weight:650}
.practice-page .practice-tool-card .bank-filters{padding:0;border:0;border-radius:0;background:transparent}
.profile-page .profile-welcome{grid-template-columns:minmax(0,1fr) minmax(100px,.65fr);margin-bottom:20px}
.profile-welcome>.tool-card-copy{padding:22px}
html[data-theme] .profile-welcome h1{font-size:28px}
.profile-welcome>.tool-card-art img{min-height:190px;max-height:240px}
.profile-welcome .tool-card-copy>p{font-size:14px!important}
html[data-theme] .seo-campus-hero.feature-card{margin:20px 0 40px;gap:0}
.seo-campus-hero .seo-actions{margin-bottom:0}
.seo-campus-hero .seo-lead{font-size:16px}
@media(max-width:700px){html[data-theme] .tool-card,html[data-theme] .feature-card{border-radius:16px}html[data-theme] .tool-card-head{grid-template-columns:minmax(0,1fr)}.tool-card-head>.tool-card-art{grid-row:1;height:auto;border-left:0;border-bottom:2px solid var(--art-line)}.tool-card-head>.tool-card-art img{height:auto;min-height:0;max-height:none;aspect-ratio:2.35;object-position:center}.tool-card-head>.tool-card-copy{padding:22px}html[data-theme] .tool-card-head h1,html[data-theme] .tool-card-head h2{font-size:28px}.tool-card-body{padding:18px}.syllabus-card .group-summary{gap:10px}.syllabus-card .group-summary h3{font-size:20px}.syllabus-card .group-description{font-size:12px}.practice-page .practice-tool-card .bank-header h2{font-size:28px}.practice-tool-card .bank-header #bank-close{font-size:12px;padding:8px 12px;min-height:40px}.profile-page .profile-welcome{grid-template-columns:minmax(0,1fr) minmax(80px,.55fr)}.profile-welcome>.tool-card-copy{padding:18px}.profile-welcome>.tool-card-art{grid-row:auto;height:100%;border-bottom:0;border-left:2px solid var(--art-line)}.profile-welcome>.tool-card-art img{height:100%;min-height:160px;aspect-ratio:auto}html[data-theme] .profile-welcome h1{font-size:25px}.search-tool-card .search-form button{width:100%}.leaderboard-range{width:100%}.leaderboard-range select{flex:1}}
.tool-card-head>.tool-card-art{position:relative;min-height:210px}
.tool-card-head>.tool-card-art img{position:absolute;inset:0;height:100%;min-height:0;max-height:none}
html[data-theme] .profile-welcome{grid-template-columns:minmax(0,1fr) minmax(100px,.65fr)}
@media(max-width:700px){.tool-card-head>.tool-card-art{min-height:0}.tool-card-head>.tool-card-art img{position:static;height:auto;aspect-ratio:2.35}html[data-theme] .profile-welcome{grid-template-columns:minmax(0,1fr) minmax(80px,.55fr)}.profile-welcome>.tool-card-art{min-height:160px}.profile-welcome>.tool-card-art img{position:absolute;height:100%;aspect-ratio:auto}}
.hero-study-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:24px 0}
.hero-study-actions .hero-pyq-link{margin:0!important}
html[data-theme] [data-study-start]{min-height:44px;padding:10px 15px;font-size:14px;font-weight:650;background:var(--surface);color:var(--text);border:1px solid var(--art-line);border-radius:9px}
#study-mode-bar{position:sticky;top:var(--study-header-height,0px);z-index:34;display:flex;align-items:center;justify-content:center;gap:12px;min-height:42px;padding:8px 16px;background:#f8df59;color:#242424;border-bottom:1px solid #242424;font-size:13px;line-height:1.4}
#study-mode-bar[hidden],.study-dock[hidden]{display:none!important}
#study-mode-bar.is-paused{background:var(--surface);color:var(--secondary);border-color:var(--border)}
.study-mode-dot{width:8px;height:8px;border-radius:50%;background:currentColor;flex-shrink:0}
#study-mode-bar time{font-variant-numeric:tabular-nums;font-weight:750}
.study-bar-context{max-width:28ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.study-dock{position:fixed;right:20px;bottom:max(16px,env(safe-area-inset-bottom));z-index:60;width:min(330px,calc(100vw - 24px));padding:16px;background:var(--surface);color:var(--text);border:2px solid var(--art-line);border-radius:16px;box-shadow:4px 5px 0 #24242455;font:14px/1.4 -apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif}
.study-dock-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.study-dock-heading strong{display:block;font-size:14px;overflow-wrap:anywhere}
.study-dock-heading small{display:block;font-size:11px;color:var(--secondary);margin-top:4px}
.study-dock button{font:inherit;cursor:pointer;border:1px solid var(--art-line);border-radius:7px;padding:7px 10px;min-height:36px;background:var(--surface-muted);color:var(--text);box-shadow:none}
.study-dock-heading button{flex-shrink:0;min-width:36px}
.study-dock-clock{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 0;font-variant-numeric:tabular-nums}
.study-dock-clock time{font-size:25px;font-weight:750;letter-spacing:-.03em}
.study-dock-clock span{font-size:10px;color:var(--secondary);max-width:110px;text-align:right}
.study-dock-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.study-dock-actions button:first-child{background:#f8df59;color:#242424;font-weight:700}
.study-dock-actions a{margin-left:auto;color:var(--text);font-size:12px;font-weight:650;text-decoration:none;padding:8px 0}
.study-dock-error{font-size:12px;margin:10px 0 0;color:var(--text)}
.study-dock.is-collapsed .study-dock-actions,.study-dock.is-collapsed .study-dock-heading small{display:none}
.study-dock.is-collapsed .study-dock-clock{margin-bottom:0}
body:has(.study-dock:not([hidden])){padding-bottom:180px}
html[data-theme] #room-delete{color:#cf4b44;border-color:currentColor}
@media(max-width:700px){.study-dock{right:12px;padding:12px;width:min(310px,calc(100vw - 24px))}.study-bar-context{display:none}#study-mode-bar{gap:10px;font-size:12px;justify-content:space-between}.hero-study-actions{gap:12px}.study-dock-actions button{min-height:40px}}

/* Compact syllabus tree: each inset and guide marks one folder level. */
html[data-theme] .syllabus-dropdown{display:block}
.syllabus-dropdown>.syllabus-toggle{display:flex;align-items:center;gap:16px;min-height:94px;padding:14px 22px;cursor:pointer;list-style:none}
.syllabus-toggle::-webkit-details-marker{display:none}
.syllabus-toggle>img{width:80px;height:64px;object-fit:cover;border:1px solid var(--art-line);border-radius:10px;flex-shrink:0}
.syllabus-toggle>span:first-of-type{display:grid;gap:5px;min-width:0}
.syllabus-toggle strong{font-size:24px;line-height:1.2;font-weight:750;letter-spacing:-.035em}
.syllabus-toggle small{font-size:14px;color:var(--secondary)}
.syllabus-toggle-chevron{margin-left:auto;font-size:24px;transition:transform .2s}
.syllabus-dropdown[open]>.syllabus-toggle .syllabus-toggle-chevron{transform:rotate(180deg)}
.syllabus-dropdown>.tool-card-body{padding:0 22px 18px;border-top:1px solid var(--art-line)}
.syllabus-dropdown .syllabus-group>.group-summary,.syllabus-dropdown .syllabus-folder>summary{grid-template-columns:minmax(0,1fr) 20px;min-height:54px;gap:10px;padding:12px 4px}
.syllabus-dropdown .group-copy strong{font-size:19px;font-weight:750;letter-spacing:-.02em}
.syllabus-dropdown .folder-copy strong{font-size:16px;font-weight:700;letter-spacing:0}
.syllabus-dropdown .group-contents,.syllabus-dropdown .folder-contents{margin:0 0 10px 12px;padding:0 0 0 18px;border-top:0;border-left:2px solid var(--art-line)}
.syllabus-dropdown .folder-contents{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px;margin-left:8px;padding-left:16px}
.syllabus-dropdown .syllabus-item{grid-template-columns:minmax(0,1fr) auto;min-height:52px;padding:12px 4px;gap:10px;align-items:center}
.syllabus-dropdown .syllabus-label{display:grid;gap:3px;min-width:0}
.syllabus-dropdown .syllabus-item strong{font-size:15px;font-weight:650;line-height:1.45;white-space:normal;overflow:visible;overflow-wrap:anywhere;text-overflow:clip}
.syllabus-dropdown .syllabus-item small{font-size:12px}
.syllabus-dropdown .folder-empty{min-height:0;padding:12px 0;font-size:14px;margin:0}
.syllabus-dropdown summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
/* Three familiar choices first; optional refinements stay folded away. */
.practice-page .bank-primary-filters{grid-template-columns:repeat(3,minmax(0,1fr))}
.practice-page .bank-filters label{font-size:14px;font-weight:700}
.practice-page .bank-filters select,.practice-page .bank-filters input{font-size:16px;min-height:48px}
.practice-page .bank-advanced-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.practice-page .bank-advanced summary{font-size:14px;min-height:48px;align-items:center}
@media(max-width:700px){
 .syllabus-dropdown>.syllabus-toggle{gap:12px;padding:12px 16px;min-height:84px}
 .syllabus-toggle>img{width:56px;height:56px}
 .syllabus-toggle strong{font-size:21px}
 .syllabus-toggle small{font-size:12px}
 .syllabus-dropdown>.tool-card-body{padding:0 14px 14px}
 .syllabus-dropdown .group-contents{margin-left:6px;padding-left:12px}
 .syllabus-dropdown .folder-contents{grid-template-columns:minmax(0,1fr);margin-left:6px;padding-left:12px}
 .practice-page .bank-primary-filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .practice-page .bank-primary-filters label:nth-child(3){grid-column:1/-1}
 .practice-page .bank-advanced-grid{grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){.syllabus-toggle-chevron{transition:none}.syllabus-dropdown .group-contents,.syllabus-dropdown .folder-contents{animation:none}}
@media(max-width:480px){.practice-page .bank-primary-filters{grid-template-columns:minmax(0,1fr)}.practice-page .bank-primary-filters label:nth-child(3){grid-column:auto}}

.syllabus-dropdown .syllabus-branch-picker{display:grid;gap:8px;font-size:14px;font-weight:700;padding:18px 0 14px;max-width:560px}
.syllabus-branch-picker select{width:100%;min-width:0;min-height:48px;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font:inherit;font-size:16px}
.syllabus-branch-picker select:focus-visible{outline:3px solid var(--blue);outline-offset:3px}