:root{
  --ink:#14302b;--ink-2:#3d5a54;--muted:#6b807b;--bg:#f6f3ec;--surface:#fff;--line:#e4ddd0;
  --primary:#155EEF;--primary-ink:#fff;--primary-soft:#e2f0ec;--accent:#e2a03f;--accent-soft:#fbf0dc;
  --danger:#b4412f;--danger-soft:#f8e3df;--ok:#2f7d4f;--ok-soft:#e1f2e7;
  --radius:14px;--shadow:0 1px 2px rgba(20,48,43,.05),0 8px 24px -12px rgba(20,48,43,.18);
  --serif:'Fraunces',Georgia,serif;--sans:'Plus Jakarta Sans',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 var(--sans);color:var(--ink);background:var(--bg);display:flex;flex-direction:column;min-height:100vh}
a{color:var(--primary);text-decoration-thickness:1px;text-underline-offset:2px}
h1,h2,h3{font-family:var(--serif);line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4vw,2.6rem)}h2{font-size:1.4rem}h3{font-size:1.1rem}
code{background:var(--primary-soft);padding:.1em .35em;border-radius:6px;font-size:.88em}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.main{flex:1;padding:32px 0 64px}
.muted,.meta{color:var(--muted)}.meta{font-size:.85rem}.center{text-align:center;display:block}
.mt{margin-top:32px}.grow{flex:1}.nowrap{white-space:nowrap}
.row{display:flex;gap:12px;align-items:center}.row.wrap{flex-wrap:wrap}.gap-s{gap:6px;flex-wrap:wrap}
.col{display:flex;flex-direction:column;gap:8px;min-width:200px}
.inline{display:inline}
/* topbar */
.topbar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font:700 1.25rem var(--serif);color:var(--ink);text-decoration:none;margin-right:auto}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--primary);color:var(--primary-ink);font-size:1.05rem}
.mainnav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.mainnav a,.linkbtn{color:var(--ink-2);text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:500;font-size:.95rem}
.mainnav a:hover,.mainnav a.active{background:var(--primary-soft);color:var(--primary)}
.mainnav .btn{color:var(--primary-ink)}
.linkbtn{background:none;border:0;cursor:pointer;font:inherit;padding:4px 8px;color:var(--primary)}
.navtoggle,.navbtn{display:none}
.is-admin .topbar{background:var(--ink)}.is-admin .brand,.is-admin .mainnav a,.is-admin .linkbtn{color:#e8efe9}
.is-admin .mainnav a:hover,.is-admin .mainnav a.active{background:rgba(255,255,255,.12);color:#fff}
@media(max-width:900px){
  .navbtn{display:block;font-size:1.5rem;cursor:pointer;padding:6px 10px}
  .mainnav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--line);padding:12px 16px}
  .is-admin .mainnav{background:var(--ink)}.is-admin .navbtn{color:#fff}
  .navtoggle:checked~.mainnav{display:flex}
}
/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:var(--primary-ink);border:0;border-radius:12px;padding:11px 18px;font:600 .95rem var(--sans);text-decoration:none;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{background:#0b5649}.btn:active{transform:translateY(1px)}.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-sm{padding:7px 12px;font-size:.88rem}.btn-lg{padding:14px 24px;font-size:1rem}.btn-block{width:100%}
.btn-ghost{background:transparent;color:var(--primary);box-shadow:inset 0 0 0 1.5px var(--primary)}.btn-ghost:hover{background:var(--primary-soft)}
.btn-danger{background:var(--danger)}.btn-danger:hover{background:#963425}
.iconbtn{border:1px solid var(--line);background:var(--surface);border-radius:8px;width:28px;height:28px;cursor:pointer}
.form{display:flex;flex-direction:column;gap:14px}
label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem;color:var(--ink-2)}
label.check{flex-direction:row;align-items:center;gap:8px;font-weight:500}
input,select,textarea{font:400 1rem var(--sans);color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--primary)}
input:focus,select:focus,textarea:focus,.btn:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 35%,transparent);outline-offset:1px;border-color:var(--primary)}
.narrow{max-width:640px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px;padding:14px}.filters>*{flex:1;min-width:160px}.filters .btn{flex:0}
/* cards & layout */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid-side{grid-template-columns:minmax(0,1fr) 380px;align-items:start}
@media(max-width:960px){.grid-side{grid-template-columns:1fr}}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;font-weight:700;color:var(--accent);margin:0 0 6px}
.lead{font-size:1.1rem;color:var(--ink-2);max-width:60ch}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:12px}.crumbs a{text-decoration:none}
.section{margin-top:56px}
.alert{padding:12px 16px;border-radius:12px;margin-bottom:16px;font-weight:500}
.alert-ok{background:var(--ok-soft);color:var(--ok)}.alert-err{background:var(--danger-soft);color:var(--danger)}.alert-warn{background:var(--accent-soft);color:#8a5a12}
.empty{text-align:center;padding:56px 20px;background:var(--surface);border:1.5px dashed var(--line);border-radius:var(--radius)}.empty.sm{padding:24px}
.badge{display:inline-block;font:600 .72rem var(--sans);padding:3px 9px;border-radius:999px;background:var(--primary-soft);color:var(--primary);text-transform:uppercase;letter-spacing:.05em;vertical-align:middle}
.badge-draft,.badge-pending,.badge-hidden,.badge-in{background:var(--accent-soft);color:#8a5a12}
.badge-archived,.badge-suspended,.badge-rejected,.badge-locked{background:var(--danger-soft);color:var(--danger)}
.badge-premium{background:var(--ink);color:#fff}.badge-approved,.badge-active,.badge-enrolled{background:var(--ok-soft);color:var(--ok)}
/* hero */
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding:24px 0}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.hero-card{background:var(--ink);color:#fff;border-radius:24px;padding:28px;box-shadow:0 30px 60px -30px rgba(20,48,43,.6);transform:rotate(1.5deg)}
.path{display:flex;gap:8px;flex-wrap:wrap;font-size:.85rem;opacity:.85;margin-bottom:18px}.path span{background:rgba(255,255,255,.12);padding:4px 10px;border-radius:999px}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px;font-weight:600;display:flex;flex-direction:column;gap:6px}.mini b{font-size:1.6rem}.mini.muted{opacity:.6;color:#fff}
@media(max-width:860px){.hero{grid-template-columns:1fr}.hero-card{transform:none}}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;border-top:1px solid var(--line);padding-top:40px}
.features p{color:var(--ink-2);margin:0}
.domain-card{text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:6px;transition:transform .2s,box-shadow .2s}
.domain-card:hover{transform:translateY(-3px);box-shadow:0 16px 32px -16px rgba(20,48,43,.35)}
.domain-card p{color:var(--ink-2);margin:0;flex:1}
.domain-icon{font-size:2rem;width:56px;height:56px;display:grid;place-items:center;background:var(--accent-soft);border-radius:16px}
.domain-row{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}.domain-row p{margin:0 0 6px}
/* lists */
.list{display:flex;flex-direction:column;gap:8px}
.list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink);font-weight:500}
.list-item:hover{border-color:var(--primary)}.list-item small{margin-left:auto;color:var(--muted)}
.score{font-weight:700;color:var(--primary);min-width:48px}
.stat{display:flex;flex-direction:column;gap:6px}.stat strong{font:700 1.8rem var(--serif)}.links{display:flex;flex-direction:column;gap:4px}
.bar{height:8px;background:var(--primary-soft);border-radius:99px;overflow:hidden}.bar span{display:block;height:100%;background:var(--primary)}
.news{margin-bottom:12px}
/* domain tree */
.subject{margin-bottom:18px}
.chapter{border-top:1px solid var(--line);padding:10px 0}
.chapter summary{cursor:pointer;font-weight:600;padding:6px 0}.chapter summary small{color:var(--muted);font-weight:400;margin-left:6px}
.topics{display:flex;flex-wrap:wrap;gap:8px;padding:8px 0 4px}
.topic-link{padding:8px 14px;border-radius:999px;background:var(--bg);border:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:.92rem}
.topic-link:hover{border-color:var(--primary);color:var(--primary)}.topic-link.seen{background:var(--primary-soft)}
/* resources */
.res-card{text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:8px;min-height:190px;transition:transform .2s}
.res-card:hover{transform:translateY(-3px)}.res-card p{color:var(--ink-2);margin:0;flex:1}
.res-icon{font-size:2rem}.is-locked{opacity:.75}.is-soon{background:repeating-linear-gradient(135deg,var(--surface),var(--surface) 12px,var(--bg) 12px,var(--bg) 24px)}
.prose{max-width:75ch}.prose h2,.prose h3,.prose h4{margin-top:1.2em}
.video{aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#000;margin-bottom:20px}.video iframe,.video video{width:100%;height:100%;border:0;display:block}.pdf-view{height:80vh;border-radius:var(--radius);overflow:hidden;border:1px solid rgba(0,0,0,.1);margin-bottom:14px;background:#fff}.pdf-view iframe{width:100%;height:100%;border:0}
/* quiz */
.qcard{margin-bottom:16px;border:1px solid var(--line)}fieldset.qcard{min-width:0}
.qnum{font-weight:700;color:var(--accent);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin:0 0 6px}
.qtext{font-size:1.05rem;font-weight:500;margin:0 0 14px}
.opt{display:flex;gap:10px;align-items:center;padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;margin-bottom:8px;font-weight:400;color:var(--ink);font-size:1rem}
.opt-pick{cursor:pointer}.opt-pick:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}
.opt.correct{border-color:var(--ok);background:var(--ok-soft)}.opt.wrong{border-color:var(--danger);background:var(--danger-soft)}
.explain{background:var(--accent-soft);padding:12px 14px;border-radius:10px;margin:10px 0;font-size:.95rem}
.result-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.ring{--p:0;width:96px;height:96px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--primary) calc(var(--p)*1%),var(--primary-soft) 0)}
.ring span{background:var(--surface);width:72px;height:72px;border-radius:50%;display:grid;place-items:center;font-weight:700}
.sticky-actions{position:sticky;bottom:12px;background:var(--surface);padding:12px;border-radius:14px;box-shadow:var(--shadow);border:1px solid var(--line)}
/* tables */
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:var(--bg)}
tr:last-child td{border-bottom:0}.row-err td{background:var(--danger-soft)}.row-warn td{background:var(--accent-soft)}
.tabs{display:flex;gap:6px;margin-bottom:18px}.tabs a{padding:8px 16px;border-radius:999px;text-decoration:none;color:var(--ink-2);background:var(--surface);border:1px solid var(--line)}.tabs a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.payment{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:14px}.payment p{margin:4px 0}
.pay-info .price{font:700 2.4rem var(--serif);margin:0 0 12px}.pay-info dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px}.pay-info dt{color:var(--muted)}.pay-info dd{margin:0}
.auth{max-width:440px;margin:24px auto}.auth h1{text-align:center}
.footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:.9rem}.footer .wrap{display:flex;gap:20px;flex-wrap:wrap}

.demo-box{margin-top:18px;display:flex;flex-direction:column;gap:10px}.demo-box p{margin:0}
.demo-banner{background:var(--accent);color:var(--ink);text-align:center;font-weight:600;padding:8px 16px;font-size:.9rem}.demo-banner a{color:var(--ink)}

.chap-btns{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 10px}
.chap-btn{font:600 14px var(--sans);padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;transition:.15s}
.chap-btn small{opacity:.6;margin-left:4px}.chap-btn:hover{border-color:var(--primary)}
.chap-btn.active{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.chap-panel{display:flex;flex-direction:column;gap:8px}
.topic-row{border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.topic-row summary{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;font-weight:600;cursor:pointer;list-style:none}
.topic-row summary::-webkit-details-marker{display:none}
.topic-row summary::after{content:'▾';color:var(--muted);transition:.2s}.topic-row[open] summary::after{transform:rotate(180deg)}
.topic-row .ok{color:var(--ok);font-weight:500;margin-left:auto}
.topic-items{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 14px}
.t-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:14px}
.t-item:hover{border-color:var(--primary)}.t-item img{width:38px;height:38px;object-fit:cover;border-radius:6px}
.t-item small{font-size:10px;font-weight:700;background:var(--danger-soft);color:var(--danger);padding:1px 5px;border-radius:4px}
.t-item.is-soon{opacity:.6}.t-item em{font-style:normal;font-size:11px}
.t-item.vip{border-color:var(--accent);background:linear-gradient(135deg,var(--surface),var(--accent-soft))}
.t-item.locked{opacity:.85}
.t-more{align-self:center;margin-left:auto;font-size:13px;font-weight:600;color:var(--primary)}
.vip-tag{display:inline-block;font:700 11px var(--sans);letter-spacing:.04em;color:#7a4b06;background:linear-gradient(135deg,#f6d27a,var(--accent));padding:2px 8px;border-radius:999px}
.btn-vip{background:linear-gradient(135deg,#d9a441,#b7791f)!important;color:#fff!important}
.thumb-prev{max-width:160px;border-radius:8px;border:1px solid var(--line)}
.notes-hero{display:flex;gap:20px;align-items:center;margin-bottom:16px}
.notes-hero img,.notes-hero .thumb-ph{width:140px;height:180px;object-fit:cover;border-radius:10px;flex:none;box-shadow:var(--shadow)}
.notes-hero .thumb-ph{display:grid;place-items:center;font-size:48px;background:var(--primary-soft)}
.notes-hero h2{margin:6px 0}
.notes-hero.vip,.pdf-view.vip{border:2px solid var(--accent);box-shadow:0 0 0 4px var(--accent-soft),var(--shadow)}
@media(max-width:600px){.notes-hero{flex-direction:column;align-items:flex-start}.notes-hero img,.notes-hero .thumb-ph{width:100%;height:200px}}
body.reader{margin:0;height:100vh;display:flex;flex-direction:column;background:#2b2b2b}
.reader-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;background:var(--ink);color:#fff;font:14px var(--sans)}
.reader-bar a{color:#fff;opacity:.85;text-decoration:none}.reader.vip .reader-bar{background:linear-gradient(90deg,#1d1606,#3b2a07);border-bottom:2px solid var(--accent)}
.reader-frame{flex:1;width:100%;border:0;background:#fff}
.chap-panel[hidden]{display:none!important}
.notes-hero p.row{display:flex;gap:10px;margin:10px 0 0;padding:0}

/* compact admin */
.is-admin main .btn{padding:7px 13px;font-size:.85rem;border-radius:9px}
.is-admin .page-head h1{font-size:1.7rem}.is-admin .card{padding:16px}
.is-admin .form label{font-size:.85rem}.is-admin .form input,.is-admin .form select,.is-admin .form textarea{padding:7px 10px;font-size:.9rem}
.btn-xs{padding:6px 11px!important;font-size:.8rem!important}
.quickadd{display:flex;gap:8px;padding:10px!important;margin-bottom:12px}.quickadd input{flex:1;padding:8px 12px;border:1px solid var(--line);border-radius:9px;font:inherit}
table.compact td,table.compact th{padding:7px 10px;font-size:.9rem;vertical-align:middle}
.namelink{font-weight:700;color:var(--ink);text-decoration:none}.namelink:hover{color:var(--primary)}
.cnt{display:inline-block;margin-left:6px;font-size:.72rem;color:var(--muted);background:var(--bg);padding:1px 7px;border-radius:999px}
.actions{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:3px;font:600 .75rem var(--sans);padding:4px 9px;border-radius:7px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;cursor:pointer;white-space:nowrap}
.chip:hover{border-color:var(--primary);color:var(--primary)}.chip-ai{background:var(--accent-soft);border-color:var(--accent)}.chip-del:hover{border-color:var(--danger);color:var(--danger)}
.iconbtn{padding:2px 6px!important;font-size:.8rem!important}
.qcard label.opt{display:flex!important;flex-direction:row!important;justify-content:flex-start;text-align:left;gap:10px}.qcard label.opt input{width:auto;margin:0}
.unlock-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;justify-content:inherit}.empty .unlock-row{justify-content:center}.pay-info.vip{border:2px solid var(--accent);box-shadow:0 0 0 4px var(--accent-soft),var(--shadow)}.allaccess{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px;border:2px solid var(--accent);background:linear-gradient(135deg,var(--surface),var(--accent-soft))}

.lockhelp{background:var(--accent-soft);border:1px solid var(--accent);border-radius:10px;padding:10px 14px;font-size:.85rem;margin-bottom:12px}
.lockcell{white-space:nowrap}.lockcell form{margin:2px 2px 2px 0}
.lockbtn{font:600 .72rem var(--sans);padding:4px 8px;border-radius:999px;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.lockbtn.is-locked{background:var(--accent-soft);border-color:var(--accent)}
.lockbtn.is-free{background:var(--surface);border-color:var(--primary);color:var(--primary)}
.lockbtn:hover{filter:brightness(.95);transform:translateY(-1px)}
.lockstat{font:700 .75rem var(--sans)}.lockstat.is-locked{color:var(--accent-ink,var(--ink))}.lockstat.is-free{color:var(--primary)}

/* v8 header: logo + hamburger */
.topbar,.is-admin .topbar{background:var(--surface);box-shadow:0 2px 10px rgba(10,40,60,.06)}
.is-admin .topbar{border-bottom:3px solid var(--primary)}
.is-admin .brand,.is-admin .mainnav a,.is-admin .linkbtn{color:var(--ink-2)}
.is-admin .mainnav a:hover,.is-admin .mainnav a.active{background:var(--primary-soft);color:var(--primary)}
.topbar-inner{position:relative;min-height:68px;gap:12px}
.brand{flex-shrink:0}.brand-logo{display:block;height:44px;width:auto}
.mainnav{flex-wrap:nowrap}.mainnav a,.mainnav .linkbtn{white-space:nowrap}
.is-admin .mainnav a,.is-admin .mainnav .linkbtn{padding:7px 9px;font-size:.88rem}
.navbtn{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;padding:0!important}
.navbtn span{display:block;width:22px;height:2.5px;border-radius:2px;background:var(--ink);transition:transform .25s,opacity .2s}
.navtoggle:checked+.navbtn span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.navtoggle:checked+.navbtn span:nth-child(2){opacity:0}
.navtoggle:checked+.navbtn span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.is-admin .navbtn{color:inherit}
@media(max-width:1280px){.is-admin .navbtn{display:flex}
  .is-admin .mainnav{display:none;position:absolute;top:68px;left:-16px;right:-16px;flex-direction:column;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 16px;box-shadow:0 12px 24px rgba(10,40,60,.12);max-height:calc(100vh - 68px);overflow:auto}
  .is-admin .navtoggle:checked~.mainnav{display:flex}}
@media(max-width:900px){.navbtn{display:flex;font-size:0}
  .mainnav,.is-admin .mainnav{top:68px;left:-16px;right:-16px;background:var(--surface);box-shadow:0 12px 24px rgba(10,40,60,.12);max-height:calc(100vh - 68px);overflow:auto}
  .mainnav a,.mainnav .linkbtn,.is-admin .mainnav a{padding:12px 14px;font-size:1rem;border-radius:10px}
  .mainnav form.inline{display:block}.mainnav .linkbtn{width:100%;text-align:left}}
@media(max-width:480px){.brand-logo{height:36px}.topbar-inner{min-height:60px}.mainnav,.is-admin .mainnav{top:60px}}

.lockpage{max-width:640px;margin:24px auto;text-align:center;padding:32px 24px}
.lock-ic{font-size:3rem;line-height:1;margin-bottom:8px}
.lockpage .plans{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.lockpage .plan{border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:4px;font-size:.9rem}
.lockpage .plan-vip{border-color:var(--accent);background:var(--accent-soft)}
.lockpage .unlock-row{justify-content:center}
@media(max-width:520px){.lockpage .plans{grid-template-columns:1fr}.lockpage .unlock-row .btn{width:100%}}

/* v10 dashboard + profile */
.avatar{border-radius:50%;object-fit:cover;display:inline-grid;place-items:center;flex-shrink:0;border:2px solid var(--surface);box-shadow:0 0 0 2px var(--primary-soft)}
.avatar-ph{background:var(--primary);color:var(--primary-ink);font-weight:700;font-family:var(--serif)}
.nav-me{display:inline-flex!important;align-items:center;gap:8px}
.dash-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:16px}
.dash-head h1{margin:2px 0}.dash-head .grow{min-width:0;flex:1}
.access-pill{font-weight:700;padding:8px 14px;border-radius:999px;font-size:.9rem;white-space:nowrap}
.access-pill.is-off{background:var(--primary-soft);color:var(--ink-2)}
.access-pill.is-on{background:var(--primary);color:var(--primary-ink)}
.access-pill.is-all{background:linear-gradient(135deg,#f3c76b,#c98a1f);color:#2b1d00}
.live-alert{display:flex;align-items:center;gap:10px}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0;animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(224,160,60,.7)}70%{box-shadow:0 0 0 10px rgba(224,160,60,0)}100%{box-shadow:0 0 0 0 rgba(224,160,60,0)}}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.exam-card{display:flex;flex-direction:column;gap:10px}.exam-card h3{margin:0}
.exam-card.is-unlocked{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:8px}
.allaccess-cta{display:flex;align-items:center;gap:14px;margin-top:14px;text-decoration:none;color:var(--ink);background:var(--accent-soft);border-color:var(--accent)}
.allaccess-cta>span:first-child{font-size:2rem}.allaccess-cta div{flex:1}.allaccess-cta p{margin:2px 0 0}
.pay-item{align-items:flex-start}.err-text{color:var(--danger)}
.score.good{color:var(--primary)}.score.mid{color:var(--accent)}.score.low{color:var(--danger)}
.score{font-weight:700;min-width:46px}
.profile-photo{display:flex;flex-direction:column;align-items:center;gap:10px;align-self:start}
.filebtn{display:inline-block;cursor:pointer;background:var(--primary);color:var(--primary-ink);padding:9px 16px;border-radius:10px;font-weight:600}
.filebtn input{display:none}.gap-l{gap:16px}
@media(max-width:900px){.grid-4{grid-template-columns:1fr 1fr}.nav-me .nav-me-name{display:inline}}
@media(max-width:520px){.dash-head{flex-direction:column;align-items:flex-start}.dash-head .btn{width:100%}}

/* v11 exam hero, universities, mock tests, past papers */
.exam-hero{position:relative;display:flex;gap:26px;align-items:center;padding:34px;border-radius:24px;margin:6px 0 28px;color:#fff;overflow:hidden;
  background:radial-gradient(120% 140% at 100% 0%,#1f8f7b 0%,transparent 55%),radial-gradient(90% 120% at 0% 100%,#c98a1f55 0%,transparent 60%),linear-gradient(135deg,#0b2f3f,#0f6b5c);box-shadow:0 30px 60px -30px rgba(11,47,63,.7)}
.exam-hero:after{content:"";position:absolute;inset:auto -60px -80px auto;width:260px;height:260px;border-radius:50%;border:40px solid rgba(255,255,255,.06)}
.exam-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem);margin:4px 0}.exam-hero .lead{color:#d6ebe6;max-width:640px}.exam-hero .eyebrow{color:#f3c76b}
.exam-hero-ic{font-size:3.4rem;width:96px;height:96px;display:grid;place-items:center;border-radius:24px;background:rgba(255,255,255,.12);backdrop-filter:blur(6px);flex-shrink:0;border:1px solid rgba(255,255,255,.2)}
.exam-hero .unlock-row{margin-top:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 4px}
.chip-stat{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:.82rem;font-weight:600;background:var(--primary-soft);color:var(--ink);text-decoration:none}
.exam-hero .chip-stat{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}
.chip-stat.ok{background:var(--ok-soft);color:var(--ok)}.chip-stat.bad{background:var(--danger-soft);color:var(--danger)}
.domain-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.papers-side{position:sticky;top:86px}
.sec-title{display:flex;align-items:center;gap:10px;margin:8px 0 14px}.sec-title small{font:600 .8rem var(--sans);background:var(--accent-soft);color:var(--ink);padding:3px 10px;border-radius:999px}
.uni-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px;margin-bottom:30px}
.uni-card{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:22px 16px 16px;background:var(--surface);border:1px solid var(--line);border-radius:20px;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s,border-color .2s;overflow:hidden}
.uni-card:before{content:"";position:absolute;inset:0 0 auto 0;height:58px;background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft))}
.uni-card>*{position:relative}.uni-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px -18px rgba(15,107,92,.45);border-color:var(--primary)}
.uni-card h3{font-size:1rem;margin:6px 0 0;line-height:1.25}.uni-city{margin:0;color:var(--muted);font-size:.85rem}
.uni-card-foot{display:flex;gap:10px;font-size:.78rem;color:var(--ink-2);margin-top:auto;padding-top:8px}
.uni-go{font-weight:700;color:var(--primary);font-size:.85rem}
.uni-card.is-hidden,.uni-admin-card.is-hidden{opacity:.55}
.uni-logo{border-radius:18px;object-fit:contain;background:#fff;border:1px solid var(--line);padding:6px;box-shadow:0 6px 16px -8px rgba(0,0,0,.25);display:inline-grid;place-items:center;flex-shrink:0}
.uni-logo-ph{background:linear-gradient(135deg,var(--primary),#0b2f3f);color:#fff;font:700 1rem var(--serif);border:0}
.papers-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 14px 30px -22px rgba(0,0,0,.35)}
.papers-head{display:flex;gap:12px;align-items:center;padding:16px 18px;background:linear-gradient(135deg,#0b2f3f,#0f6b5c);color:#fff}
.papers-head>span{font-size:1.6rem}.papers-head h3{margin:0;color:#fff;font-size:1.05rem}.papers-head .meta{color:#cfe5df;margin:0}
.papers-list{display:flex;flex-direction:column;max-height:560px;overflow:auto}.sm-pad{padding:14px 18px}
.paper-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-top:1px solid var(--line);text-decoration:none;color:var(--ink);transition:background .15s}
.paper-item:hover{background:var(--primary-soft)}.paper-item img{width:42px;height:54px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.paper-item .grow{display:flex;flex-direction:column;min-width:0}.paper-item b{font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.paper-item small{color:var(--muted);font-size:.75rem}
.paper-year{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);font:700 .8rem var(--sans);color:var(--ink);flex-shrink:0}
.paper-item.locked .paper-year{background:#f3e6c8}.paper-act{font-size:1.1rem}
.uni-hero{display:flex;gap:24px;align-items:center;flex-wrap:wrap;padding:28px;border-radius:24px;background:var(--surface);border:1px solid var(--line);margin-bottom:26px;background-image:linear-gradient(135deg,var(--primary-soft),transparent 55%)}
.uni-hero h1{margin:4px 0}
.mock-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.mock-card{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:18px;background:var(--surface);border:1px solid var(--line);text-decoration:none;color:var(--ink);transition:.2s}
.mock-card:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:0 16px 30px -18px rgba(15,107,92,.45)}
.mock-card.vip{border-color:var(--accent);background:linear-gradient(160deg,#fffaf0,#fff)}
.mock-card h3{margin:0;font-size:1.05rem}.mock-top{display:flex;justify-content:space-between;align-items:center}.mock-ic{font-size:1.6rem}
.free-tag{font:700 .7rem var(--sans);padding:3px 8px;border-radius:999px;background:var(--ok-soft);color:var(--ok)}
.mock-meta{display:flex;gap:12px;font-size:.82rem;color:var(--ink-2)}.mock-best{font-size:.8rem;color:var(--primary);font-weight:600}
.mock-go{margin-top:auto;font-weight:700;color:var(--primary)}.mock-card.locked .mock-go{color:#9a6a12}
.mock-bar{position:sticky;top:68px;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin-bottom:16px;box-shadow:0 10px 24px -18px rgba(0,0,0,.4)}
.timer{font:700 1.2rem var(--sans);padding:6px 14px;border-radius:10px;background:var(--ink);color:#fff;font-variant-numeric:tabular-nums}.timer.warn{background:var(--danger);animation:pulse 1s infinite}
.mock-progress{font-weight:600;color:var(--ink-2)}
.q-card{border:1px solid var(--line);margin:0 0 14px}.q-card legend{padding:0}.qn{background:var(--primary);color:#fff;font-weight:700;padding:4px 10px;border-radius:8px;font-size:.8rem}
.q-text{font-weight:600;font-size:1.02rem}
.opts-pick{display:grid;gap:8px}.opt{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:.15s}
.opt:hover{border-color:var(--primary)}.opt input{display:none}.opt-l{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--primary-soft);font-weight:700;flex-shrink:0}
.opt:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}.opt:has(input:checked) .opt-l{background:var(--primary);color:#fff}
.btn-lg{padding:14px;font-size:1.05rem}
.result-hero{display:flex;gap:28px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.ring{--p:0;width:130px;height:130px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--primary) calc(var(--p)*1%),var(--primary-soft) 0)}
.ring span{width:100px;height:100px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font:700 1.7rem var(--serif)}
.q-review{border-left:5px solid var(--line)}.q-review.right{border-left-color:var(--ok)}.q-review.wrong{border-left-color:var(--danger)}
.opts li.picked{color:var(--danger)}.explain{background:var(--accent-soft);padding:10px 12px;border-radius:10px;font-size:.9rem}
.pdf-frame{border-radius:16px;overflow:hidden;border:1px solid var(--line);height:80vh;background:#fff}.pdf-frame.vip{border:3px solid var(--accent)}.pdf-frame iframe{width:100%;height:100%;border:0}
.tabs{flex-wrap:wrap}.tabs-sub a{font-size:.9rem}
.uni-admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;align-content:start}
.uni-admin-card{display:flex;flex-direction:column;gap:10px}.uni-admin-head{align-items:center;margin-bottom:14px;flex-wrap:wrap}
.q-admin{margin-bottom:10px}.fmt{background:var(--bg);padding:10px;border-radius:8px;font-size:.78rem;white-space:pre-wrap}
@media(max-width:1000px){.domain-layout{grid-template-columns:minmax(0,1fr)}.papers-side{position:static}}
@media(max-width:600px){.exam-hero{flex-direction:column;align-items:flex-start;padding:24px}.exam-hero-ic{width:70px;height:70px;font-size:2.4rem}
  .uni-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.uni-card{padding:18px 10px 12px}.mock-bar{top:60px}.timer{font-size:1rem}}