:root{
  --bg:#f4f6fb; --surface:#fff; --ink:#0f1a2e; --ink2:#43506a; --muted:#6b7890; --line:#e2e7f0; --line2:#cfd7e6;
  --primary:#0b3d91; --primary-2:#0a347c; --primary-soft:#e8effc;
  --accent:#f28c28; --accent-2:#dc7616; --accent-soft:#fff3e6;
  --ok:#15803d; --ok-soft:#e7f6ec; --ok-line:#86d19f;
  --bad:#c62828; --bad-soft:#fdecec; --bad-line:#f0a3a3;
  --mark:#b7791f; --mark-soft:#fff6e0;
  --radius:12px; --shadow:0 1px 2px rgba(15,26,46,.06),0 4px 16px rgba(15,26,46,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;overflow-wrap:break-word;background:var(--bg);color:var(--ink);font:15px/1.55 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--primary)}
h1,h2,h3{line-height:1.25;margin:0 0 .4em}
h1{font-size:28px;font-weight:800;letter-spacing:-.02em}
h2{font-size:20px;font-weight:700}
h3{font-size:16px;font-weight:700}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.page{padding-top:28px;padding-bottom:56px;min-height:70vh}
.muted{color:var(--muted)} .small{font-size:13px} .green{color:var(--ok)} .nowrap{white-space:nowrap}
.sub{color:var(--ink2);margin:0 0 18px}
code{background:#eef1f7;padding:2px 6px;border-radius:6px;font-size:13px;word-break:break-all}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:10px;padding:10px 18px;font-weight:600;font-size:14px;line-height:1.2;font-family:inherit;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,box-shadow .15s;white-space:nowrap}
.btn:disabled,.btn.disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-2)}
.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover:not(:disabled){background:var(--accent-2)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line2)}.btn-ghost:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.btn-danger{background:#fff;color:var(--bad);border-color:var(--bad-line)}.btn-danger:hover{background:var(--bad-soft)}
.btn-lg{padding:14px 24px;font-size:16px}.btn-sm{padding:7px 13px;font-size:13px}.btn-xs{padding:5px 10px;font-size:12px;border-radius:8px}
.btn-block{width:100%}

/* Top bar */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.topbar-in{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:9px;background:var(--primary);color:var(--accent);display:grid;place-items:center}
.brand-mark svg{width:22px;height:22px}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}.brand-txt b{font-size:16px}.brand-txt small{color:var(--muted);font-size:11.5px}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav>a:not(.btn){padding:8px 11px;border-radius:8px;text-decoration:none;color:var(--ink2);font-weight:500;font-size:14px}
.nav>a:not(.btn):hover,.nav>a.on{background:var(--primary-soft);color:var(--primary)}
.nav .muted-link{color:var(--muted)!important}
.who{display:flex;align-items:center;gap:8px;margin-left:8px;font-size:13px;font-weight:600}
.who-txt{display:flex;flex-direction:column;line-height:1.15}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:700}
.role{display:inline-block;font-size:11px;font-weight:700;padding:1px 7px;border-radius:99px;background:#eef1f7;color:var(--ink2);width:max-content}
.role-admin{background:#1e293b;color:#fff}.role-user{background:var(--ok-soft);color:var(--ok)}.role-guest{background:var(--accent-soft);color:var(--accent-2)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line2);border-radius:8px;font-size:20px;padding:4px 10px;cursor:pointer}
.announce{background:var(--primary);color:#fff;text-align:center;padding:8px 16px;font-size:14px}

/* Flash */
.flash{padding:12px 16px;border-radius:10px;margin:0 0 16px;border:1px solid;font-size:14px}
.flash-ok{background:var(--ok-soft);border-color:var(--ok-line);color:#14532d}
.flash-err{background:var(--bad-soft);border-color:var(--bad-line);color:#7f1d1d}
.flash-warn{background:var(--mark-soft);border-color:#f3d28a;color:#6b4a0f}

/* Footer */
.foot{border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px}
.foot-in{display:flex;justify-content:space-between;gap:12px;padding:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:16px}.foot a{color:var(--muted)}

/* Home */
.home{padding:0}
.hero{background:linear-gradient(160deg,#0b3d91 0%,#0a2e6b 70%);color:#fff;padding:64px 0 72px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:4px 12px;border-radius:99px;font-size:13px;font-weight:600;margin-bottom:14px}
.hero h1{font-size:44px;line-height:1.1;margin-bottom:16px;color:#fff}
.lead{font-size:18px;color:#d6e0f5;margin:0 0 26px;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}.hero .btn-ghost:hover{border-color:#fff;color:#fff}
.hero .btn-primary{background:var(--accent)}.hero .btn-primary:hover{background:var(--accent-2)}
.fine{color:#b8c7e6;font-size:13px;margin-top:14px}
.hero-card{background:#fff;color:var(--ink);border-radius:16px;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.mock-top{display:flex;justify-content:space-between;font-weight:700;font-size:14px}
.mock-timer{color:var(--primary)}
.mock-prog{height:6px;background:#eef1f7;border-radius:9px;margin:12px 0}.mock-prog i{display:block;height:100%;background:var(--primary);border-radius:9px}
.mock-q{font-size:12px;color:var(--muted);font-weight:600}
.mock-text{font-weight:600;margin:6px 0 12px}
.mock-opt{border:1px solid var(--line);border-radius:9px;padding:9px 12px;margin-bottom:8px;font-size:14px;display:flex;justify-content:space-between}
.mock-opt.ok{border-color:var(--ok-line);background:var(--ok-soft);color:var(--ok);font-weight:600}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-34px;position:relative}
.stat{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;text-align:center}
.stat b{display:block;font-size:28px;color:var(--primary)}.stat span{color:var(--muted);font-size:13px}
.features{padding:56px 20px 24px}.features>h2{text-align:center;font-size:26px;margin-bottom:26px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feat p{margin:0;color:var(--ink2);font-size:14px}
.price-teaser{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 32px;margin:32px auto 64px;flex-wrap:wrap}
.price-teaser p{margin:0;color:var(--ink2)}
.pt-price{display:flex;align-items:center;gap:14px}.pt-price s{color:var(--muted)}.pt-price b{font-size:30px}

/* Auth */
.auth{display:grid;place-items:center;padding:24px 0}
.auth-card{width:100%;max-width:460px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}
.alt{text-align:center;margin:18px 0 0;font-size:14px}
.form label,.qedit label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:14px}
.optional{font-weight:400;color:var(--muted)}
input,select,textarea{font:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--line2);border-radius:9px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
input[type=checkbox],input[type=radio]{width:auto;padding:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.check{display:flex!important;flex-direction:row!important;align-items:center;gap:8px;font-weight:500!important;color:var(--ink)!important;cursor:pointer}
.checks{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-bottom:12px}

/* Dashboard */
.dash-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;flex-wrap:wrap;margin-bottom:18px}
.plan-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;display:flex;flex-direction:column;gap:4px;min-width:280px;max-width:420px}
.plan-box span{color:var(--ink2);font-size:13px}.plan-box .btn{margin-top:8px;align-self:flex-start}
.plan-guest{border-color:#f7c99a;background:var(--accent-soft)}.plan-user{border-color:var(--ok-line);background:var(--ok-soft)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}
.kpis-6{grid-template-columns:repeat(6,1fr)}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.kpi span{display:block;color:var(--muted);font-size:12.5px;font-weight:500}.kpi b{font-size:24px}
.kpi a{font-size:13px;margin-left:6px}.kpi-alert{border-color:#f3d28a;background:var(--mark-soft)}
.block{margin-bottom:32px}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.block-head h2{margin:0}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:2px;transition:box-shadow .15s,border-color .15s}
.tcard:hover{box-shadow:var(--shadow);border-color:var(--line2)}
.tcard h3{margin:8px 0 0}.tcard p{margin:0;font-size:13px}
.tcard.locked{background:#fafbfd}.tcard.locked h3,.tcard.locked .tnum{opacity:.55}
.tcard-top{display:flex;justify-content:space-between;align-items:center}
.tnum{width:36px;height:36px;border-radius:10px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:800}
.tcard-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;gap:8px}
.chip{display:inline-block;font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:99px;background:#eef1f7;color:var(--ink2)}
.chip-free{background:var(--accent-soft);color:var(--accent-2)}.chip-lock{background:#eef1f7;color:var(--muted)}
.chip-pending{background:var(--mark-soft);color:var(--mark)}.chip-paid{background:var(--ok-soft);color:var(--ok)}.chip-rejected{background:var(--bad-soft);color:var(--bad)}.chip-created{background:#eef1f7;color:var(--muted)}
.score-pill{font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px}
.score-pill.pass{background:var(--ok-soft);color:var(--ok)}.score-pill.fail{background:var(--bad-soft);color:var(--bad)}
.cat-list{display:flex;flex-direction:column;gap:10px}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.cat h3{margin:0}.cat-info span{font-size:13px}
.cat-parts{display:flex;gap:8px;flex-wrap:wrap}
.part{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:6px 6px 6px 12px;font-size:13px;background:#fbfcfe}
.part.locked{opacity:.7}
.resume-list{display:flex;flex-direction:column;gap:8px}
.resume{background:#fff;border:1px solid #f3d28a;border-left:4px solid var(--accent);border-radius:10px;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.resume b{display:block}.resume span{font-size:13px}
.empty{background:#fff;border:1px dashed var(--line2);border-radius:var(--radius);padding:32px;text-align:center;color:var(--ink2)}

/* Start page */
.intro{max-width:760px;margin:0 auto}
.back{display:inline-block;margin-bottom:14px;text-decoration:none;font-size:14px;font-weight:500}
.intro-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 24px}
.intro-facts div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-align:center}
.intro-facts b{display:block;font-size:22px;color:var(--primary)}.intro-facts span{font-size:12.5px;color:var(--muted)}
.intro-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.modes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.mode{display:flex;gap:10px;align-items:flex-start;border:2px solid var(--line);border-radius:12px;padding:14px;cursor:pointer}
.mode:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}
.mode input{margin-top:4px}.mode b{display:block}.mode small{color:var(--ink2);font-size:13px}
.rules{background:#f7f9fc;border-radius:12px;padding:14px 18px;margin:18px 0}
.rules ul{margin:6px 0 0;padding-left:18px;color:var(--ink2);font-size:14px}.rules li{margin:4px 0}

/* Exam */
.exam-body .foot{display:none}
.exam-main{max-width:1180px;margin:0 auto;padding:18px 20px 40px}
.exam-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0;padding:12px 16px}
.exam-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.mode-tag{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:99px}
.mode-exam{background:var(--primary-soft);color:var(--primary)}.mode-practice{background:var(--ok-soft);color:var(--ok)}
.exam-meta{display:flex;align-items:center;gap:8px}
.timer{white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:700;font-size:16px;background:#f2f5fa;padding:6px 12px;border-radius:9px}
.timer.low{background:var(--bad-soft);color:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.6}}
#btnPalette{display:none}
.progress{height:5px;background:#e6ebf3;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.progress i{display:block;height:100%;width:0;background:var(--primary);transition:width .3s}
.exam-grid{display:grid;grid-template-columns:1fr 290px;gap:0;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--radius) var(--radius)}
.qpane{padding:24px 28px;min-width:0}
.qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;font-weight:700;color:var(--muted);font-size:13.5px;margin-bottom:12px}
#qTags{display:flex;gap:6px;flex-wrap:wrap}
.qtag{font-size:11.5px;font-weight:600;padding:3px 9px;border-radius:99px;background:#eef1f7;color:var(--ink2)}
.qtag-multi{background:#ede9fe;color:#5b21b6}.qtag-imp{background:var(--accent-soft);color:var(--accent-2)}.qtag-src{background:transparent;border:1px solid var(--line);color:var(--muted)}
.qtext{font-size:19px;font-weight:600;line-height:1.5;margin:0 0 4px;white-space:pre-line}
.qhint{color:var(--muted);font-size:13px;margin:0 0 16px}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;align-items:flex-start;gap:12px;border:1.5px solid var(--line2);border-radius:11px;padding:12px 14px;cursor:pointer;transition:border-color .12s,background .12s}
.opt:hover{border-color:var(--primary)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.okey{flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line2);display:grid;place-items:center;font-weight:700;font-size:13px;color:var(--ink2)}
.otext{padding-top:3px;color:var(--ink)}
.opt.sel{border-color:var(--primary);background:var(--primary-soft)}.opt.sel .okey{background:var(--primary);border-color:var(--primary);color:#fff}
.opt:has(input:focus-visible){box-shadow:0 0 0 3px var(--primary-soft)}
.opt.ok{border-color:var(--ok);background:var(--ok-soft)}.opt.ok .okey{background:var(--ok);border-color:var(--ok);color:#fff}
.opt.bad{border-color:var(--bad);background:var(--bad-soft)}.opt.bad .okey{background:var(--bad);border-color:var(--bad);color:#fff}
.opt:has(input:disabled){cursor:default}
.feedback{margin-top:16px;border-radius:12px;padding:14px 18px;border:1px solid}
.fb-ok{background:var(--ok-soft);border-color:var(--ok-line)}.fb-bad{background:var(--bad-soft);border-color:var(--bad-line)}
.fb-verdict{font-weight:700;margin-bottom:8px}
.feedback .exp p,.rexp p{margin:0 0 8px;color:var(--ink2)}
.ref{font-size:13px;word-break:break-all}
.qnav{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.qnav #btnNext{margin-left:auto}
.btn-mark{background:#fff;border-color:#e7c77d;color:var(--mark)}.btn-mark.on{background:var(--mark-soft)}
.btn-check{background:var(--ok);color:#fff}.btn-check:hover:not(:disabled){background:#116a32}
.saved{min-height:18px;font-size:12px;color:var(--muted);margin-top:8px}.saved.bad{color:var(--bad)}
.palette{border-left:1px solid var(--line);padding:18px;display:flex;flex-direction:column;gap:14px;background:#fbfcfe;border-radius:0 0 var(--radius) 0}
.pal-head{display:flex;justify-content:space-between;align-items:center}
.pal-close{display:none;background:none;border:0;font-size:24px;cursor:pointer;line-height:1}
.pal-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;max-height:48vh;overflow:auto;padding:2px}
.pq{height:34px;border-radius:8px;border:1px solid var(--line2);background:#fff;font-weight:600;font-size:13px;font-family:inherit;cursor:pointer;position:relative;color:var(--ink2)}
.pq.ans{background:var(--primary);border-color:var(--primary);color:#fff}
.pq.ok{background:var(--ok);border-color:var(--ok);color:#fff}.pq.bad{background:var(--bad);border-color:var(--bad);color:#fff}
.pq.mark::after{content:"";position:absolute;top:-3px;right:-3px;width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid #fff}
.pq.cur{outline:2.5px solid var(--accent);outline-offset:1px}
.pal-legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:12px;color:var(--ink2)}
.pal-legend span{display:flex;align-items:center;gap:6px}
.lg{width:13px;height:13px;border-radius:4px;display:inline-block;border:1px solid var(--line2);background:#fff}
.lg-cur{outline:2px solid var(--accent)}.lg-ans{background:var(--primary);border-color:var(--primary)}.lg-mark{background:var(--accent);border-color:var(--accent);border-radius:50%}
.lg-ok{background:var(--ok);border-color:var(--ok)}.lg-bad{background:var(--bad);border-color:var(--bad)}
.pal-sum{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.pal-sum b{color:var(--ink);font-size:15px;display:block}
.modal{position:fixed;inset:0;background:rgba(15,26,46,.5);display:grid;place-items:center;z-index:100;padding:16px}
.modal[hidden]{display:none}
.modal-card{background:#fff;border-radius:16px;padding:24px;max-width:440px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-card p{color:var(--ink2)}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

/* Result */
.result-head{display:flex;gap:32px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;margin-bottom:28px;flex-wrap:wrap}
.ring{--c:var(--ok);width:170px;height:170px;border-radius:50%;background:conic-gradient(var(--c) calc(var(--p)*1%),#e8edf5 0);display:grid;place-items:center;flex-shrink:0}
.ring.fail{--c:var(--bad)}
.ring>div{width:136px;height:136px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring b{font-size:34px;font-weight:800}.ring span{font-size:11.5px;font-weight:800;letter-spacing:.06em;color:var(--c)}
.result-info{flex:1;min-width:260px}.result-info h1{margin-bottom:4px}
.verdict{font-weight:500;margin:0 0 16px}
.result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}
.rs{border-radius:10px;padding:10px 12px;text-align:center}.rs b{display:block;font-size:22px}.rs span{font-size:12px;font-weight:600}
.rs-ok{background:var(--ok-soft);color:var(--ok)}.rs-bad{background:var(--bad-soft);color:var(--bad)}.rs-skip{background:#eef1f7;color:var(--ink2)}.rs-mark{background:var(--mark-soft);color:var(--mark)}
.result-actions{display:flex;gap:10px;flex-wrap:wrap}
.topic-bars{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;display:flex;flex-direction:column;gap:10px}
.tb{display:grid;grid-template-columns:260px 1fr 60px;gap:14px;align-items:center;font-size:14px}
.tb-bar{height:10px;background:#eef1f7;border-radius:9px;overflow:hidden}.tb-bar i{display:block;height:100%;border-radius:9px}
.tb-bar i.pass{background:var(--ok)}.tb-bar i.fail{background:var(--bad)}
.tb-val{text-align:right;font-weight:600;font-variant-numeric:tabular-nums}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.filters button,.filters a{border:1px solid var(--line2);background:#fff;border-radius:99px;padding:6px 13px;font-weight:500;font-size:13px;font-family:inherit;cursor:pointer;color:var(--ink2);text-decoration:none}
.filters .on{background:var(--primary);border-color:var(--primary);color:#fff}
.review{display:flex;flex-direction:column;gap:14px}
.rq{background:#fff;border:1px solid var(--line);border-left:4px solid var(--line2);border-radius:var(--radius);padding:18px 20px}
.rq[hidden]{display:none}
.rq-correct{border-left-color:var(--ok)}.rq-wrong{border-left-color:var(--bad)}.rq-skipped{border-left-color:#9aa6bb}
.rq header{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.rq-num{font-weight:800;color:var(--muted)}
.rq-badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px}
.b-correct{background:var(--ok-soft);color:var(--ok)}.b-wrong{background:var(--bad-soft);color:var(--bad)}.b-skipped{background:#eef1f7;color:var(--ink2)}.b-mark{background:var(--mark-soft);color:var(--mark)}
.rq h3{font-weight:600;font-size:16px;white-space:pre-line}
.ropts{list-style:none;margin:10px 0;padding:0;display:flex;flex-direction:column;gap:6px}
.ropts li{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--line);border-radius:9px;padding:8px 12px;font-size:14px}
.ropts li .okey{width:24px;height:24px;font-size:12px}
.ropts li.ok{border-color:var(--ok-line);background:var(--ok-soft)}.ropts li.ok .okey{background:var(--ok);color:#fff;border-color:var(--ok)}
.ropts li.bad{border-color:var(--bad-line);background:var(--bad-soft)}.ropts li.bad .okey{background:var(--bad);color:#fff;border-color:var(--bad)}
.ropts .otext{flex:1;padding-top:1px}
.yours,.right{font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;white-space:nowrap;align-self:center}
.yours{background:#1e293b;color:#fff}.right{background:var(--ok);color:#fff}
.rexp{background:#f7f9fc;border-radius:10px;padding:10px 14px}
.rexp summary{font-weight:700;cursor:pointer;font-size:14px;color:var(--primary)}
.rexp[open] summary{margin-bottom:8px}

/* Tables */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.tbl{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.block .tbl{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;padding:10px 14px;background:#f7f9fc;border-bottom:1px solid var(--line)}
.tbl td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.dim td{opacity:.5}
.edit-row td{background:#f7f9fc}
.edit-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.edit-form label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;font-weight:600;color:var(--ink2)}

/* Admin */
.admin-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.admin-head h1{margin:0}
.admin-tabs{display:flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:4px;flex-wrap:wrap}
.admin-tabs a{padding:7px 13px;border-radius:8px;text-decoration:none;color:var(--ink2);font-weight:600;font-size:13.5px}
.admin-tabs a.on{background:var(--primary);color:#fff}
.badge{display:inline-block;background:var(--accent);color:#fff;border-radius:99px;font-size:11px;padding:0 6px;margin-left:3px}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar input,.toolbar select{width:auto;min-width:160px;padding:8px 10px;font-size:14px}
.push{margin-left:auto}
.add-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.add-form label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;font-weight:600;color:var(--ink2)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.two-col>.block,.two-col>div>.block{margin-bottom:24px}
form.block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.cat-edit{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.w60{width:64px!important;flex-shrink:0}.w120{width:140px!important;flex-shrink:0}
.inline-act{display:flex;gap:6px;align-items:center}.inline-act input{width:130px;padding:5px 8px;font-size:13px}
.opt-edit{display:flex;gap:10px;align-items:center;margin-bottom:8px}.opt-edit .check{margin:0;width:56px;flex-shrink:0}
.qedit .lbl{font-size:13px;font-weight:600;color:var(--ink2);margin:0 0 8px}
.catsel{padding:5px 8px;font-size:13px;min-width:190px}.catsel.saved-ok{border-color:var(--ok);box-shadow:0 0 0 3px var(--ok-soft)}
.pager{display:flex;gap:4px;flex-wrap:wrap;margin-top:14px}
.pager a{padding:5px 11px;border:1px solid var(--line2);border-radius:8px;background:#fff;text-decoration:none;color:var(--ink2);font-size:13px}
.pager a.on{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Pricing & checkout */
.pricing-head{text-align:center;margin-bottom:24px}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:820px;margin:0 auto 40px}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;position:relative;display:flex;flex-direction:column}
.plan-hot{border:2px solid var(--accent);box-shadow:0 10px 30px rgba(242,140,40,.15)}
.ribbon{position:absolute;top:-12px;right:20px;background:var(--accent);color:#fff;font-weight:800;font-size:12px;padding:4px 12px;border-radius:99px}
.plan-price{display:flex;align-items:baseline;gap:10px;margin:6px 0 16px;flex-wrap:wrap}
.plan-price b{font-size:36px;font-weight:800}.plan-price s{color:var(--muted);font-size:18px}.plan-price small{color:var(--muted);width:100%}
.plan ul{list-style:none;padding:0;margin:0 0 20px;flex:1}
.plan li{padding:6px 0 6px 26px;position:relative;font-size:14px}
.plan li.y::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.plan li.n{color:var(--muted)}.plan li.n::before{content:"✕";position:absolute;left:2px;color:#b8c0cf}
.checkout{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start;scroll-margin-top:80px}
.co-main,.co-side{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.co-side{position:sticky;top:84px}
.pay-tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:20px}
.pay-tabs button{border:1px solid var(--line2);background:#fff;border-radius:9px;padding:8px 14px;font-weight:600;font-size:13.5px;font-family:inherit;cursor:pointer;color:var(--ink2)}
.pay-tabs button.on{background:var(--primary);border-color:var(--primary);color:#fff}
.pay-pane{display:none}.pay-pane.on{display:block}
.upi-grid{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;margin-bottom:18px}
.qr-box{border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center;display:flex;flex-direction:column;gap:6px;align-items:center}
.qr-box #qr{width:176px;height:176px}.qr-box #qr svg{width:100%;height:100%}.qr-box small{color:var(--muted)}
.lbl{font-size:12.5px;font-weight:600;color:var(--muted);margin:0 0 4px}
.copy-row{display:flex;gap:8px;align-items:center;margin-bottom:12px}.copy-row code{font-size:15px}
.amt{font-size:24px;font-weight:800;margin:0 0 12px}
.upi-apps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.app-btn{border:1px solid var(--line2);border-radius:9px;padding:7px 12px;font-size:13px;font-weight:600;text-decoration:none;color:var(--ink)}
.app-btn:hover{border-color:var(--primary)}
.utr-form{border-top:1px solid var(--line);padding-top:16px}
.or{text-align:center;color:var(--muted);margin:14px 0;font-size:13px}
.card-preview{background:linear-gradient(135deg,#0b3d91,#1e5bd0);color:#fff;border-radius:14px;padding:20px;max-width:340px;aspect-ratio:1.6;display:flex;flex-direction:column;justify-content:space-between;margin-bottom:16px}
.cp-chip{width:40px;height:30px;border-radius:6px;background:linear-gradient(135deg,#f5d77a,#c9a33b)}
.cp-num{font-size:20px;letter-spacing:.12em;font-variant-numeric:tabular-nums}
.cp-row{display:flex;justify-content:space-between;font-size:11px;opacity:.85;letter-spacing:.08em}
.networks{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.networks span{border:1px solid var(--line2);border-radius:7px;padding:4px 10px;font-size:12.5px;font-weight:700;color:var(--ink2)}
.note{background:var(--mark-soft);border-radius:9px;padding:10px 12px;font-size:13px;color:#6b4a0f}
.bank-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:8px 0 12px}
.bank{display:flex;align-items:center;gap:10px;border:1px solid var(--line2);border-radius:10px;padding:10px 12px;cursor:pointer;font-size:14px}
.bank:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}
.bank-details{background:#f7f9fc;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:14px;line-height:1.6;font-family:inherit;white-space:pre-wrap}
.sum-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px;border-bottom:1px dashed var(--line)}
.sum-row.total{font-weight:800;font-size:18px;border-bottom:0}
.secure{font-size:13px;color:var(--ok);font-weight:600}
.mypay{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;padding:8px 0;border-top:1px solid var(--line)}

/* Responsive */
@media (max-width:980px){
  .hero-in{grid-template-columns:1fr}.hero-card{display:none}.hero h1{font-size:34px}
  .feat-grid{grid-template-columns:1fr 1fr}.kpis-6{grid-template-columns:repeat(3,1fr)}
  .checkout{grid-template-columns:1fr}.co-side{position:static}
  .two-col{grid-template-columns:1fr}.row4{grid-template-columns:1fr 1fr}
  .exam-grid{grid-template-columns:1fr}
  #btnPalette{display:inline-flex}
  .palette{position:fixed;inset:auto 0 0 0;max-height:80vh;z-index:60;border-radius:16px 16px 0 0;box-shadow:0 -10px 40px rgba(0,0,0,.2);transform:translateY(105%);transition:transform .25s;border-left:0}
  .pal-open .palette{transform:none}.pal-close{display:block}
  .pal-grid{grid-template-columns:repeat(8,1fr)}
}
@media (max-width:760px){
  .wrap{padding:0 16px}.exam-main{padding:10px 10px 30px}
  h1{font-size:24px}.hero{padding:40px 0 56px}.hero h1{font-size:28px}.lead{font-size:16px}
  .stats-row,.kpis,.intro-facts,.result-stats{grid-template-columns:1fr 1fr}
  .feat-grid,.modes,.plans,.row2,.row4,.bank-grid,.upi-grid{grid-template-columns:1fr}
  .kpis-6{grid-template-columns:1fr 1fr}
  .qpane{padding:18px 16px}.qtext{font-size:17px}
  .qnav .btn{flex:1}.qnav #btnNext{margin-left:0}
  .exam-meta{width:100%;justify-content:space-between}
  .tb{grid-template-columns:1fr 60px}.tb-bar{grid-column:1/-1;grid-row:2}
  .ring{width:140px;height:140px}.ring>div{width:112px;height:112px}.ring b{font-size:28px}
  .result-head{padding:20px;gap:20px;justify-content:center}
  .auth-card{padding:22px}
  .pal-grid{grid-template-columns:repeat(6,1fr)}
  .toolbar input,.toolbar select{min-width:0;flex:1}
  .push{margin-left:0}
}
.rexp p,.feedback p,.rq h3,.qtext,.otext,.tbl td{overflow-wrap:anywhere}

/* Collapsed navigation for tablets and phones */
@media (max-width:1180px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(15,26,46,.08);flex-direction:column;align-items:stretch;padding:10px 20px 18px;gap:2px}
  .nav-open .nav{display:flex}
  .nav>a:not(.btn){padding:11px 12px;font-size:15px}
  .nav .btn{margin:6px 0}
  .who{margin:8px 0 4px;padding:10px 12px;border-top:1px solid var(--line)}
  .kpis-6{grid-template-columns:repeat(3,1fr)}
}
/* Tablet portrait */
@media (min-width:761px) and (max-width:1100px){
  .card-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .cat{flex-direction:column;align-items:flex-start}
  .cat-parts{width:100%}
  .result-stats{grid-template-columns:repeat(4,1fr)}
}
/* Phones: tables become stacked cards */
@media (max-width:760px){
  .page{padding-top:20px}
  .table-wrap{background:transparent;border:0;overflow:visible}
  .tbl,.block .tbl{background:transparent;border:0}
  .tbl thead{display:none}
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl tr{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;padding:8px 0}
  .tbl td{border:0;padding:6px 14px;display:flex;justify-content:space-between;align-items:flex-start;gap:14px;text-align:right}
  .tbl td::before{content:attr(data-label);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);text-align:left;flex-shrink:0;padding-top:2px}
  .tbl td:not([data-label])::before,.tbl td[data-label=""]::before{display:none}
  .tbl td:not([data-label]),.tbl td[data-label=""]{justify-content:flex-start;text-align:left}
  .tbl td.nowrap{white-space:normal;text-align:right}
  .tbl tr.edit-row{margin-top:-10px;border-top:0;border-radius:0 0 var(--radius) var(--radius)}
  .tbl tr.edit-row td{display:block;text-align:left;background:#f7f9fc}
  .tbl tr.edit-row[hidden]{display:none}
  .inline-act{flex-wrap:wrap;justify-content:flex-end}.inline-act input{width:100%}
  .catsel{min-width:0;width:100%}
  .admin-tabs{width:100%;overflow-x:auto;flex-wrap:nowrap}.admin-tabs a{flex-shrink:0}
  .admin-head{margin-bottom:14px}
  .checkout{gap:16px}.co-main,.co-side{padding:18px}
  .pay-tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}.pay-tabs button{flex-shrink:0}
  .upi-grid{justify-items:center;text-align:center}.copy-row,.upi-apps{justify-content:center}
  .plan{padding:20px}.plan-price b{font-size:30px}
  .dash-head{flex-direction:column}.plan-box{min-width:0;max-width:none;width:100%}
  .cat{flex-direction:column;align-items:stretch}.cat-parts{flex-direction:column}.part{justify-content:space-between}
  .tcard-foot .btn{padding:7px 14px}
  .result-actions .btn{flex:1}
  .filters{overflow-x:auto;flex-wrap:nowrap;width:100%;padding-bottom:4px}.filters button,.filters a{flex-shrink:0}
  .modal-actions .btn{flex:1}
  .exam-title b{font-size:15px}
  .opt{padding:11px 12px}
  .foot-in{flex-direction:column;align-items:center;text-align:center}
}
@media (max-width:380px){
  .brand-txt small{display:none}.brand-txt b{font-size:15px}
  .stats-row,.kpis,.kpis-6,.intro-facts{grid-template-columns:1fr 1fr}
  .result-stats{grid-template-columns:1fr 1fr}
  
}
/* Large desktops */
@media (min-width:1600px){ .wrap,.exam-main{max-width:1320px} }
.checkout>*,.exam-grid>*,.two-col>*,.hero-in>*{min-width:0}

@media (max-width:420px){.exam-meta{gap:6px}.exam-meta .btn{padding:7px 10px}.timer{font-size:15px;padding:6px 9px}}

/* Logo */
.brand-logo{width:40px;height:auto;display:block;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.25);flex-shrink:0}
.hero-logo{display:block;width:120px;height:auto;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.35);margin-bottom:18px}
.auth-logo{display:block;width:88px;height:auto;margin:0 auto 14px;border-radius:14px;box-shadow:0 6px 18px rgba(15,26,46,.18)}
.pricing-head .auth-logo{width:80px}
.auth-card h1,.auth-card .sub{text-align:center}
.foot-brand{display:flex;align-items:center;gap:10px}.foot-brand img{border-radius:5px;height:auto}
@media (max-width:760px){.hero-logo{width:96px}.brand-logo{width:36px}.auth-logo{width:72px}}

.b-checked{background:#e0ecff;color:var(--primary)}
.review-note{margin:2px 0 0}
.block-head #toggleExp{margin-left:auto}
/* Exam buttons on phones: [Prev][Next] / [Mark][Check] */
@media (max-width:760px){
  .qnav{display:grid!important;grid-template-columns:1fr 1fr;gap:8px}
  .qnav .btn{min-width:0;white-space:normal;padding:11px 8px;flex:none}
  .qnav #btnPrev{order:1}.qnav #btnNext{order:2;margin-left:0}
  .qnav #btnMark{order:3}.qnav #btnCheck{order:4}
  .qnav:has(#btnCheck[hidden]) #btnMark{grid-column:1/-1}
}

/* ---------------- Voice mode ---------------- */
.btn-voice.on{background:var(--ok);border-color:var(--ok);color:#fff}
.voice-opt{display:flex;gap:12px;align-items:flex-start;border:2px dashed var(--line2);border-radius:12px;padding:12px 14px;margin:12px 0 4px;cursor:pointer}
.voice-opt:has(input:checked){border-style:solid;border-color:var(--ok);background:var(--ok-soft)}
.voice-opt input{margin-top:4px;width:auto}.voice-opt b{display:block}.voice-opt small{color:var(--ink2);font-size:13px}
.voice-card{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#0b3d91,#1e4fa8);color:#fff;border-radius:var(--radius);padding:14px 18px;margin-bottom:18px}
.voice-card b{display:block;font-size:16px}.voice-card span{font-size:14px;color:#d6e0f5}.voice-card i{color:#fff;font-style:normal;font-weight:600}
.voice-mic{flex-shrink:0;width:56px;height:56px;border-radius:50%;border:0;background:var(--accent);color:#fff;font-size:26px;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.25);transition:transform .15s}
.voice-mic:hover{transform:scale(1.06)}.voice-mic.on{background:var(--ok);animation:vpulse 1.6s infinite}
@keyframes vpulse{0%{box-shadow:0 0 0 0 rgba(21,128,61,.55)}70%{box-shadow:0 0 0 16px rgba(21,128,61,0)}100%{box-shadow:0 0 0 0 rgba(21,128,61,0)}}
.vbar{position:fixed;left:50%;transform:translateX(-50%);bottom:14px;z-index:90;width:min(760px,calc(100% - 20px));background:#0f1a2e;color:#fff;border-radius:16px;padding:10px 12px;display:flex;align-items:center;gap:12px;box-shadow:0 12px 36px rgba(0,0,0,.35)}
.vbar[hidden]{display:none}
.vbar-main{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.vdot{width:14px;height:14px;border-radius:50%;background:#64748b;flex-shrink:0}
.vbar[data-state=listening] .vdot{background:#22c55e;animation:vpulse 1.4s infinite}
.vbar[data-state=speaking] .vdot{background:var(--accent);animation:vblink .8s infinite alternate}
.vbar[data-state=paused] .vdot{background:#eab308}.vbar[data-state=error] .vdot{background:#ef4444}
@keyframes vblink{to{opacity:.35}}
.vtxt{display:flex;flex-direction:column;min-width:0;line-height:1.3}.vtxt b{font-size:14px}
.vtxt span{font-size:12.5px;color:#b8c4d8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vbar-btns{display:flex;gap:6px;flex-shrink:0}
.vbtn{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;font-size:16px;cursor:pointer}
.vbtn:hover{background:rgba(255,255,255,.18)}.vbtn-off{color:#fca5a5}
body.voice-on{padding-bottom:90px}
.vtap{position:fixed;inset:0;z-index:200;background:rgba(11,61,145,.92);color:#fff;border:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;font:inherit;cursor:pointer;padding:24px;text-align:center}
.vtap-ic{font-size:64px;animation:vpulse 1.6s infinite;border-radius:50%;width:110px;height:110px;display:grid;place-items:center;background:var(--accent)}
.vtap b{font-size:22px}.vtap small{color:#d6e0f5;font-size:14px}
.vhelp{max-width:620px;max-height:85vh;overflow:auto}
.vhelp-t{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0 10px}
.vhelp-t td{padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.vhelp-t td:first-child{font-weight:600;color:var(--primary);width:58%}
@media (max-width:760px){
  .vbar{bottom:8px;padding:8px 10px;gap:8px}.vbtn{width:34px;height:34px;font-size:15px}
  .vbar-btns #vSlower,.vbar-btns #vFaster{display:none}
  .voice-card{padding:12px 14px}.voice-mic{width:50px;height:50px;font-size:22px}
  .btn-voice span{display:none}
  .vhelp-t td{display:block;width:auto!important;border:0;padding:2px 0}.vhelp-t tr{display:block;border-bottom:1px solid var(--line);padding:6px 0}
}

@media (max-width:420px){
  .exam-meta{display:grid;grid-template-columns:auto auto 1fr 1fr;gap:6px;width:100%}
  .exam-meta .btn{padding:7px 8px;min-width:0}
  #btnFinish{white-space:nowrap}
}

/* ---------------- Exam Revision Guide ---------------- */
.gift-card{display:flex;align-items:center;gap:14px;border-radius:var(--radius);padding:12px 16px;margin-bottom:14px;border:1px solid}
.gift-open{background:linear-gradient(135deg,#fff7ec,#fff);border-color:#f7c99a}
.gift-locked{background:#fff;border-color:var(--line);border-style:dashed}
.gift-card img{border-radius:6px;box-shadow:0 3px 10px rgba(15,26,46,.2);flex-shrink:0;height:auto}
.gift-txt{flex:1;min-width:0}.gift-txt b{display:block;font-size:15px}.gift-txt span{font-size:13.5px;color:var(--ink2)}
.gift-btns{display:flex;gap:8px;flex-shrink:0}
.plan li.gift{background:var(--accent-soft);border-radius:8px;padding:8px 10px 8px 30px;margin-top:4px}
.guide-head{display:flex;gap:28px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:24px}
.guide-cover{width:170px;height:auto;border-radius:8px;box-shadow:0 10px 28px rgba(15,26,46,.25);flex-shrink:0}
.guide-info{flex:1;min-width:0}.guide-info h1{font-size:26px}
.gift-chip{display:inline-block;background:var(--accent-soft);color:var(--accent-2);font-weight:700;font-size:12.5px;padding:4px 11px;border-radius:99px;margin-bottom:10px}
.guide-actions{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 10px}
.guide-locked{background:var(--accent-soft);border:1px solid #f7c99a;border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.guide-locked span{color:var(--ink2);font-size:14px}
.guide-toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px 16px 40px;columns:2;column-gap:32px;margin:0}
.guide-toc li{padding:4px 0;break-inside:avoid}
.reader{background:#fff;border:1px solid var(--line);border-radius:16px;scroll-margin-top:80px}
.reader-bar{position:sticky;top:64px;z-index:5;border-radius:16px 16px 0 0;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;background:#f7f9fc;border-bottom:1px solid var(--line);font-size:14px;font-weight:600}
.reader-tools{display:flex;align-items:center;gap:6px}
.reader-pages{background:#e9edf4;border-radius:0 0 16px 16px;padding:16px;display:flex;flex-direction:column;align-items:safe center;gap:14px;overflow-x:auto}
.reader-page{background:#fff;box-shadow:0 2px 10px rgba(15,26,46,.12);max-width:none;flex-shrink:0}
.reader-page canvas{display:block;max-width:none}
.reader-frame{width:100%;height:80vh;border:0}
@media (max-width:760px){
  .guide-head{flex-direction:column;align-items:center;text-align:center;padding:18px}
  .guide-cover{width:140px}.guide-info h1{font-size:21px}.guide-actions{justify-content:center}.guide-actions .btn{flex:1}
  .guide-locked{align-items:stretch;text-align:left}
  .guide-toc{columns:1}
  .gift-card{flex-wrap:wrap}.gift-card img{width:44px}.gift-btns{width:100%}.gift-btns .btn{flex:1}
  .reader-pages{padding:8px;gap:8px}
}

@media (min-width:1181px){.nav>a:not(.btn){padding:8px 9px}.nav{gap:4px}}

/* ---------------- Exam blocks ---------------- */
.exam-grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.exam-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:6px;position:relative;transition:box-shadow .15s,border-color .15s}
.exam-card.is-live:hover{box-shadow:var(--shadow);border-color:var(--line2)}
.exam-card.is-owned{border-color:var(--ok-line);box-shadow:0 0 0 3px var(--ok-soft)}
.exam-card.is-soon{background:#fafbfd}.exam-card.is-soon h3{color:var(--ink2)}
.exam-card h3{font-size:18px;margin:6px 0 0}
.ec-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.ec-vendor{display:inline-block;align-self:flex-start;font-size:11.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:3px 9px;border-radius:6px;background:#e8effc;color:var(--primary)}
.ec-vendor.v-anthropic{background:#f6ece3;color:#9a4d1c}
.exam-vendor{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--primary);margin-bottom:4px}
.ec-facts{list-style:none;padding:0;margin:6px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:4px 10px;font-size:13px;color:var(--ink2)}
.ec-facts b{color:var(--ink)}
.ec-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:12px;flex-wrap:wrap}
.ec-price s{color:var(--muted);font-size:13px}.ec-price b{font-size:18px}
.exams-home{padding:48px 20px 8px}.exams-home>h2{text-align:center;font-size:26px;margin-bottom:22px}
.soon-card{max-width:640px;margin:10px auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;text-align:center}
.soon-badge{display:inline-block;background:var(--mark-soft);color:var(--mark);font-weight:800;padding:6px 14px;border-radius:99px;margin:6px 0 14px}
/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-bottom:18px}
.price-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;position:relative;display:flex;flex-direction:column}
.price-card.is-sel{border:2px solid var(--accent);box-shadow:0 10px 30px rgba(242,140,40,.15)}
.price-card.is-soon{background:#fafbfd}
.price-card h3{margin:8px 0 2px;font-size:17px}
.price-card ul{list-style:none;padding:0;margin:0 0 14px;flex:1}
.price-card li{padding:5px 0 5px 24px;position:relative;font-size:13.5px}
.price-card li.y::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.price-card li.gift{background:var(--accent-soft);border-radius:8px;padding:7px 8px 7px 28px;margin-top:4px}
.price-card .plan-price{margin:4px 0 10px}.price-card .plan-price b{font-size:30px}
.pc-foot{margin-top:auto}
.free-note{text-align:center;background:#fff;border:1px dashed var(--line2);border-radius:12px;padding:12px 16px;font-size:14px;margin:0 auto 26px;max-width:760px}
.qr-img{width:200px;height:auto;display:block;border-radius:10px}
.qr-box:has(.qr-img) {padding:10px}
.payee{font-weight:700;font-size:16px;margin:0 0 10px}
.qr-set{display:flex;gap:14px;align-items:flex-start;border:1px dashed var(--line2);border-radius:12px;padding:12px;margin-bottom:14px;flex-wrap:wrap}
.qr-set img{border-radius:8px;border:1px solid var(--line);height:auto}
.qr-set label{flex:1;min-width:220px}
/* admin exams */
.exam-admin-list{display:flex;flex-direction:column;gap:14px;margin-bottom:16px}
.exam-admin{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.exam-admin label,.row-ea label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;font-weight:600;color:var(--ink2)}
.ea-head{display:flex;flex-direction:column;margin-bottom:10px}.ea-head b{font-size:16px}
.row-ea{display:grid;grid-template-columns:1fr 90px;gap:12px;margin-top:10px}
.ea-links{margin-top:10px;font-size:13px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.acc-tbl{width:100%;border-collapse:collapse;margin:10px 0 4px;font-size:13.5px;background:#fff;border:1px solid var(--line);border-radius:10px}
.acc-tbl th,.acc-tbl td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left}
.acc-tbl th{font-size:11.5px;text-transform:uppercase;color:var(--muted)}
.acc-tbl input[type=date]{padding:5px 8px;font-size:13px;width:auto}
@media (max-width:980px){.row5{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
  .exam-grid-cards,.price-grid{grid-template-columns:1fr}
  .row5,.row-ea{grid-template-columns:1fr}
  .acc-tbl,.acc-tbl tbody,.acc-tbl tr,.acc-tbl td{display:block;width:100%}.acc-tbl thead{display:none}
  .acc-tbl tr{border-bottom:1px solid var(--line);padding:6px 0}.acc-tbl td{border:0;padding:3px 10px}
  .exams-home{padding-top:32px}.soon-card{padding:20px}
  .qr-img{width:180px}
}