html:root[data-exam="oet"]{
  --brand:#1d4ed8;--brand-ink:#1e40af;--brand-soft:#dbe6fd;--brand-tint:#f5f8ff;
  --bg:#fbfcff;--panel:#ffffff;--panel2:#f6f8fd;--ink:#121a2e;--muted:#56607a;--line:#e1e7f4;
  --good:#17804F;--good-soft:#E1F4EA;--bad:#B42318;--bad-soft:#FDE8E6;--amber:#9a5a00;--amber-soft:#FCF0DC;
  --sky:#0284c7;--note:#fffbea;--note-line:#efe2a8;
  --f-display:"Sora",system-ui,sans-serif;--f-body:"Figtree",system-ui,sans-serif;--f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){html:root[data-exam="oet"]:not([data-theme="light"]){
  --brand:#8fb2ff;--brand-ink:#c3d5ff;--brand-soft:#1c2a4d;--brand-tint:#141d33;
  --bg:#0d1220;--panel:#161e30;--panel2:#1b2439;--ink:#edf2ff;--muted:#a5aecb;--line:#2a3657;
  --good:#5FD39A;--good-soft:#15362A;--bad:#FF8F84;--bad-soft:#3D1D1C;--amber:#F3B45C;--amber-soft:#3A2B12;
  --sky:#5cc8ff;--note:#262312;--note-line:#4a4320;color-scheme:dark}}
html:root[data-exam="oet"][data-theme="dark"]{
  --brand:#8fb2ff;--brand-ink:#c3d5ff;--brand-soft:#1c2a4d;--brand-tint:#141d33;
  --bg:#0d1220;--panel:#161e30;--panel2:#1b2439;--ink:#edf2ff;--muted:#a5aecb;--line:#2a3657;
  --good:#5FD39A;--good-soft:#15362A;--bad:#FF8F84;--bad-soft:#3D1D1C;--amber:#F3B45C;--amber-soft:#3A2B12;
  --sky:#5cc8ff;--note:#262312;--note-line:#4a4320;color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink)}
.mc{font:17px/1.6 var(--f-body);color:var(--ink);background:var(--bg);min-height:100vh;overflow-x:clip}
.mc h1,.mc h2,.mc h3{font-family:var(--f-display);margin:0;text-wrap:balance;letter-spacing:-.02em;color:var(--ink)}
.mc h1{font-size:clamp(30px,4.6vw,46px);line-height:1.08;font-weight:800}
.mc h2{font-size:clamp(20px,2.4vw,25px);line-height:1.2;font-weight:700}
.mc h3{font-size:17px;line-height:1.3;font-weight:700}
.mc p{margin:0}.mc a{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}
.wrap{max-width:1160px;margin:0 auto;padding-inline:max(16px,env(safe-area-inset-left,0px))}
@media (min-width:600px){.wrap{padding-inline:20px}}
.eyebrow{font:600 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.lead{font-size:18px;color:var(--muted);max-width:68ch}
.muted{color:var(--muted)}.small{font-size:14px;color:var(--muted)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 16px var(--f-body);padding:11px 18px;border-radius:10px;text-decoration:none!important;cursor:pointer;border:1.5px solid var(--line);background:transparent;color:var(--ink);transition:transform .15s,background .15s,border-color .15s}
.btn:focus-visible{outline:3px solid var(--brand);outline-offset:3px}.btn:disabled{opacity:.5;cursor:default}
.btn-primary{background:var(--brand);color:#fff!important;border-color:var(--brand)}
.btn-primary:hover:not(:disabled){background:var(--brand-ink);border-color:var(--brand-ink)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#0d1220!important}}
:root[data-theme="dark"] .btn-primary{color:#0d1220!important}
.btn-ghost:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:7px 12px;font-size:14px;border-radius:8px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
/* site bar */
.sitebar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.sitebar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.logo-link{display:inline-flex;line-height:0;text-decoration:none!important}
.mh-logo{display:inline-flex;align-items:center;gap:11px;line-height:1}
.mh-logo .mh-ic{width:44px;height:44px;flex:none}
.mh-wm{display:grid;gap:5px}.mh-wm b{font:800 23px/1 Inter,'Segoe UI',Arial,sans-serif;letter-spacing:-.4px;color:var(--ink)}
.mh-wm small{font:600 13px/1 Inter,'Segoe UI',Arial,sans-serif;color:var(--muted);white-space:nowrap}
@media (max-width:420px){.mh-logo .mh-ic{width:38px;height:38px}.mh-wm b{font-size:20px}.mh-wm small{font-size:11.5px}}
.sitenav{display:flex;align-items:center;gap:20px;font:600 15px var(--f-body)}
.sitenav a{color:var(--muted);text-decoration:none}.sitenav a[aria-current]{color:var(--brand)}
@media (max-width:720px){.sitenav{display:none}}
html.xs-on .sitebar{display:none}
/* hero + cards */
.hero{padding-block:34px 18px;display:grid;gap:14px}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--muted);padding-top:16px}.crumbs a{color:var(--muted)}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.gcard{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:16px 18px;display:grid;gap:10px;min-width:0}
.gcard ul,.gcard ol{margin:0;padding-left:22px;display:grid;gap:5px}
.sec{display:grid;gap:14px;padding-block:18px}
.tile{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:16px;display:grid;gap:8px;text-decoration:none!important;color:var(--ink)!important;transition:border-color .15s,transform .15s}
.tile:hover{border-color:var(--brand);transform:translateY(-2px)}
.tile b{font:700 17px var(--f-display)}.tile span{color:var(--muted);font-size:15px}
.tile .tag{justify-self:start}
.tag{display:inline-block;font:600 11.5px/1 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;padding:5px 8px;border-radius:6px;background:var(--brand-soft);color:var(--brand-ink)}
.tag.done{background:var(--good-soft);color:var(--good)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1.5px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 12px;font-size:14px;font-weight:600;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .chip[aria-pressed="true"]{color:#0d1220}}
:root[data-theme="dark"] .chip[aria-pressed="true"]{color:#0d1220}
.search{width:100%;max-width:420px;padding:10px 14px;border-radius:10px;border:1.5px solid var(--line);background:var(--panel)}
.tablewrap{overflow-x:auto}
table.crit{border-collapse:collapse;width:100%;font-size:15px}
table.crit th,table.crit td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
table.crit th{font:600 12px var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.note{background:var(--note);border:1px solid var(--note-line);border-radius:12px;padding:14px 16px;font:15px/1.55 var(--f-mono);white-space:pre-wrap;overflow-wrap:anywhere;max-height:70vh;overflow:auto}
.two{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:980px){.two{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.two .stick{position:sticky;top:90px}}
textarea.letter{width:100%;min-height:440px;padding:14px 16px;border-radius:12px;border:1.5px solid var(--line);background:var(--panel);font:16px/1.6 var(--f-body);resize:vertical}
textarea.letter:disabled{background:var(--panel2);color:var(--muted)}
.wc{display:flex;justify-content:space-between;gap:8px;font-size:14px;color:var(--muted)}
.wc b.ok{color:var(--good)}.wc b.hi{color:var(--amber)}
.timer{position:sticky;top:8px;z-index:15;display:flex;align-items:center;gap:12px;flex-wrap:wrap;border-radius:14px;padding:10px 14px;background:var(--brand);color:#fff;box-shadow:0 10px 30px -16px var(--brand)}
.timer b{font:800 26px var(--f-mono);margin-left:auto}.timer .btn{border-color:rgba(255,255,255,.5);color:#fff}
.timer.read{background:#0e7490}.timer.low{background:#b42318}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .timer{color:#0d1220}:root:not([data-theme="light"]) .timer .btn{color:#0d1220;border-color:rgba(0,0,0,.35)}}
:root[data-theme="dark"] .timer{color:#0d1220}:root[data-theme="dark"] .timer .btn{color:#0d1220;border-color:rgba(0,0,0,.35)}
.letterout{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;padding:16px 18px;white-space:pre-wrap;font:16px/1.65 var(--f-body)}
.ck{display:grid;gap:6px}.ck label{display:flex;gap:10px;align-items:flex-start;padding:7px 10px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);cursor:pointer}
.ck input{margin-top:5px;flex:none;width:18px;height:18px;accent-color:var(--brand)}
.ck.omit label{background:color-mix(in srgb,var(--bad) 6%,var(--panel))}
.rate{display:grid;gap:12px}.rate .r{display:grid;gap:4px}
.rate .r header{display:flex;justify-content:space-between;gap:8px;font-weight:700}
.rate input[type=range]{width:100%;accent-color:var(--brand)}
.rate .d{font-size:14px;color:var(--muted)}
.score{display:flex;gap:14px;flex-wrap:wrap;align-items:baseline;border-radius:14px;padding:14px 18px;background:var(--brand-soft);color:var(--brand-ink)}
.score b{font:800 32px var(--f-display)}
.card{border-radius:16px;padding:16px 18px;display:grid;gap:10px;border:1px solid var(--line);background:var(--panel)}
.card.doc{border-top:5px solid var(--brand)}.card.pt{border-top:5px solid #0e7490;background:color-mix(in srgb,#0e7490 5%,var(--panel))}
.card h3 small{font:600 11px var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:4px}
.phr{display:grid;gap:8px}.phr div{display:grid;gap:2px;padding:9px 12px;border-radius:10px;background:var(--panel2);border:1px solid var(--line)}
.phr small{font:600 11px var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--brand)}
.jg{display:grid;gap:6px}.jg div{display:grid;grid-template-columns:minmax(110px,30%) 1fr;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line)}
.jg b{color:var(--bad)}.jg span::before{content:"→ ";color:var(--good);font-weight:700}
details.fold{border:1px solid var(--line);border-radius:14px;background:var(--panel)}
details.fold>summary{cursor:pointer;padding:12px 16px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:10px}
details.fold>summary::-webkit-details-marker{display:none}
details.fold>summary::after{content:'+';font:700 18px var(--f-mono);color:var(--brand)}
details.fold[open]>summary::after{content:'–'}
details.fold>div{padding:0 16px 14px;display:grid;gap:10px}
.disclaim{margin:30px 0 40px;padding:14px 16px;border-radius:12px;background:var(--panel2);border:1px solid var(--line);font-size:14px;color:var(--muted);display:grid;gap:6px}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:10px}
.steps li{counter-increment:s;display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
.steps li::before{content:counter(s);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font:800 14px var(--f-mono)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .steps li::before{color:#0d1220}}
:root[data-theme="dark"] .steps li::before{color:#0d1220}
.skill{scroll-margin-top:90px}
.ex{border-left:4px solid var(--good);background:color-mix(in srgb,var(--good) 7%,var(--panel));padding:10px 14px;border-radius:0 10px 10px 0}
.ex.bad{border-left-color:var(--bad);background:color-mix(in srgb,var(--bad) 6%,var(--panel))}
.rec{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.rec audio{max-width:100%}