:root{
  --bg:#F6F4EF; --surface:#FFFFFF; --surface-2:#EFECE4; --ink:#16140F; --ink-2:#5B574D; --line:#DDD8CC;
  --accent:#CC3A1F; --accent-ink:#FFFFFF; --brand:#FF4D2E; --good:#0F7A41; --good-bg:#E3F5EA; --bad:#C62828; --bad-bg:#FDE8E8;
  --gold:#E8A317; --shadow:0 1px 2px rgba(0,0,0,.05),0 8px 24px rgba(0,0,0,.06); --radius:16px;
  --display:"Space Grotesk",Inter,system-ui,sans-serif; --text:Inter,system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#12110E; --surface:#1C1B17; --surface-2:#26241F; --ink:#F3F0E8; --ink-2:#A9A499; --line:#35322B;
    --accent:#FF6A4D; --accent-ink:#12110E; --good:#4ADE80; --good-bg:#12301F; --bad:#F87171; --bad-bg:#3A1616;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"]{
  --bg:#12110E; --surface:#1C1B17; --surface-2:#26241F; --ink:#F3F0E8; --ink-2:#A9A499; --line:#35322B;
  --accent:#FF6A4D; --accent-ink:#12110E; --good:#4ADE80; --good-bg:#12301F; --bad:#F87171; --bad-bg:#3A1616;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.6 var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;margin:0;letter-spacing:-.02em}
a{color:inherit}
button,input,select{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:8px;z-index:99}
.skip:focus{left:8px}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px;width:100%}
main{flex:1;padding:28px 0 64px}
.muted{color:var(--ink-2)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font-weight:600;background:var(--accent);color:var(--accent-ink);min-height:44px;text-decoration:none;transition:transform .12s}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.sm{min-height:36px;padding:6px 14px;font-size:14px;border-radius:10px}
.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;height:38px;min-width:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:14px}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:4px 12px;font-size:13px;font-weight:600}
.pill.good{background:var(--good-bg);color:var(--good);border-color:transparent}
.hidden{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* header */
.site-head{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.head-row{display:flex;align-items:center;gap:16px;height:64px}
.logo{font-family:var(--display);font-weight:700;font-size:19px;display:flex;align-items:center;gap:8px;text-decoration:none;white-space:nowrap}
.logo i{display:inline-block;width:22px;height:22px;background:var(--brand,#FF4D2E);border-radius:5px;transform:rotate(-8deg)}
.logo small{font:500 12px var(--text);color:var(--ink-2)}
.nav{display:flex;gap:4px;margin-left:12px}
.nav a{text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:500;font-size:15px;color:var(--ink-2);white-space:nowrap}
.nav a:hover{background:var(--surface-2);color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}
.head-right{margin-left:auto;display:flex;gap:8px;align-items:center}
.xp-chip{text-decoration:none}
@media (max-width:860px){
  .head-row{flex-wrap:wrap;height:auto;padding:10px 0;gap:8px}
  .nav{order:3;width:100%;margin:0;overflow-x:auto;padding-bottom:2px}
  .head-right .btn{display:none}
}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:32px 0;font-size:14px;color:var(--ink-2)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
.foot-grid h2{font-size:14px;font-family:var(--text);letter-spacing:0;color:var(--ink);margin-bottom:8px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot-grid a{text-decoration:none}
.foot-grid a:hover{text-decoration:underline}
@media (max-width:720px){.foot-grid{grid-template-columns:1fr 1fr}}

/* generic sections */
.page-head{margin-bottom:24px}
.page-head h1{font-size:clamp(32px,5vw,48px);letter-spacing:-.03em;margin:8px 0 10px}
.page-head p{margin:0;max-width:60ch;color:var(--ink-2);font-size:18px}
.crumbs{font-size:14px;color:var(--ink-2);margin-bottom:12px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.sec{margin-top:44px}
.sec-h{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.sec-h h2{font-size:28px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.tile{padding:20px;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--ink);transition:transform .15s,border-color .15s}
a.tile:hover{transform:translateY(-3px);border-color:var(--accent)}
.tile .tag{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.tile h3{font-size:20px}
.tile p{margin:0;font-size:14px;color:var(--ink-2);flex:1}
.tile .meta{font-size:13px;font-weight:600}
.tile .done{color:var(--good)}

/* home */
.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:20px;align-items:stretch}
.hero-main{padding:36px}
.hero h1{font-size:clamp(36px,6vw,62px);letter-spacing:-.04em;margin:12px 0 14px}
.hero h1 s{text-decoration-color:var(--accent);text-decoration-thickness:5px}
.hero p{font-size:18px;color:var(--ink-2);max-width:48ch;margin:0 0 22px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.stats div{background:var(--surface-2);border-radius:12px;padding:10px 14px}
.stats b{display:block;font:700 22px var(--display)}
.stats small{font-size:12px;color:var(--ink-2)}
.role-card{padding:26px;display:flex;flex-direction:column;gap:12px}
.roles{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.roles button{background:var(--surface-2);border:2px solid transparent;border-radius:12px;padding:12px;text-align:left;color:var(--ink);min-height:64px}
.roles button b{display:block}
.roles button span{font-size:13px;color:var(--ink-2)}
.roles button[aria-pressed="true"]{border-color:var(--accent);background:var(--surface)}
.role-out{border-top:1px solid var(--line);padding-top:12px;font-size:14px}
.role-out ol{margin:8px 0 12px;padding-left:20px}
@media (max-width:860px){.hero{grid-template-columns:1fr}.hero-main{padding:24px}}
.cta-band{margin-top:48px;padding:28px;border-radius:var(--radius);background:var(--ink);color:var(--bg);display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-band h2{font-size:26px}
.cta-band p{margin:6px 0 0;opacity:.8}

/* learn index */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.filters button,.filters a{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:99px;padding:6px 14px;font-size:14px;min-height:36px;text-decoration:none;display:inline-flex;align-items:center}
.filters [aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.search{width:100%;max-width:420px;height:46px;border:1.5px solid var(--line);border-radius:12px;padding:0 14px;background:var(--surface);color:var(--ink);margin-bottom:14px}
.lesson-tile .no{font:700 12px var(--display);color:var(--ink-2)}
.lesson-tile .st{font-size:12px;font-weight:600;color:var(--ink-2)}
.lesson-tile .st.on{color:var(--good)}

/* lesson page */
.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}
@media (max-width:900px){.lesson-layout{grid-template-columns:minmax(0,1fr)}}
.article{padding:34px}
.article h1{font-size:clamp(32px,5vw,48px);letter-spacing:-.03em;margin:8px 0 12px}
.article h2{font-size:22px;margin:30px 0 10px}
.article p{margin:0 0 12px;max-width:68ch}
.lede{font-size:21px;line-height:1.45;max-width:52ch}
.ab{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.ab{grid-template-columns:1fr}.article{padding:22px}}
.dd{font-weight:700;font-size:13px;margin-bottom:6px;letter-spacing:.04em;text-transform:uppercase}
.dd.bad{color:var(--bad)} .dd.good{color:var(--good)}
.flaws{margin:10px 0 0;padding-left:18px;font-size:14px;color:var(--ink-2)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:640px){.two{grid-template-columns:1fr}}
.dos,.donts,.reads{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.dos li,.donts li{padding-left:30px;position:relative}
.dos li:before,.donts li:before{position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700}
.dos li:before{content:"\2713";background:var(--good-bg);color:var(--good)}
.donts li:before{content:"\2715";background:var(--bad-bg);color:var(--bad)}
.reads a{font-weight:600}
.faq details{border-top:1px solid var(--line);padding:12px 0}
.faq summary{font-weight:600;cursor:pointer}
.faq p{margin:8px 0 0}
.aside{position:sticky;top:84px;display:grid;gap:12px}
.aside .card{padding:18px}
.aside h3{font-size:15px;margin-bottom:8px}
.aside ul{margin:0;padding:0;list-style:none;display:grid;gap:6px;font-size:14px}
.aside a{text-decoration:none}
.aside a:hover{text-decoration:underline}
.pager{display:flex;justify-content:space-between;gap:10px;margin-top:16px;flex-wrap:wrap}

/* mockups (always light) */
.mk{background:#fff;color:#1a1a1a;border-radius:10px;border:1px solid #e3e3e3;padding:16px;font:13px/1.45 Inter,system-ui,sans-serif;position:relative;overflow:hidden;min-height:120px}
.mk h4,.mk .mh{margin:0;max-width:none;font:600 15px/1.3 Inter,system-ui,sans-serif;letter-spacing:0}
.mk .b{display:inline-block;background:#3446D3;color:#fff;border-radius:8px;padding:8px 14px;font-weight:600;font-size:13px}
.mk .b2{display:inline-block;border:1px solid #cfcfcf;color:#333;border-radius:8px;padding:8px 14px;font-weight:600;font-size:13px;background:#fff}
.mk .in{border:1px solid #cfcfcf;border-radius:6px;height:32px;padding:0 10px;display:flex;align-items:center;color:#767676;background:#fff}
.mk .sm{font-size:11px;color:#6B6B6B}
.mk .row{display:flex;gap:8px;align-items:center}
.mk .col{display:flex;flex-direction:column}
.mk p{max-width:none}

/* tools */
.tool{padding:24px}
.tool-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px;align-items:start}
@media (max-width:900px){.tool-grid{grid-template-columns:minmax(0,1fr)}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;font-weight:600;font-size:14px}
.field input[type=text],.field input[type=number],.field select,.txt{height:44px;border:1.5px solid var(--line);border-radius:10px;padding:0 12px;background:var(--surface);color:var(--ink);font-weight:500;min-width:0;width:100%}
.field input[type=range]{accent-color:var(--accent)}
.cin{display:flex;gap:8px;align-items:center}
.cin input[type=color]{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;padding:2px;background:var(--surface);flex-shrink:0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.seg{display:flex;border:1.5px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{flex:1;border:0;background:var(--surface);color:var(--ink);padding:8px;font-weight:600;font-size:14px}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.ramp{display:grid;grid-template-columns:repeat(11,1fr);border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.ramp div{padding:10px 4px;min-height:92px;display:flex;flex-direction:column;justify-content:space-between;font-size:11px;font-family:ui-monospace,monospace}
.ramp b{font:700 12px var(--text)}
@media (max-width:700px){.ramp{grid-template-columns:repeat(4,1fr)}}
.aa{font-size:10px;font-weight:700;border-radius:4px;padding:1px 4px;background:rgba(255,255,255,.85);color:#111;align-self:flex-start}
.code-tabs{margin-top:16px}
.code-tabs pre{margin:0;background:#16140F;color:#F3F0E8;border-radius:0 0 12px 12px;padding:16px;overflow:auto;font-size:13px;max-height:340px}
.code-bar{display:flex;gap:4px;align-items:center;background:var(--surface-2);border-radius:12px 12px 0 0;padding:6px}
.code-bar button{border:0;background:transparent;color:var(--ink-2);padding:6px 12px;border-radius:8px;font-weight:600;font-size:13px}
.code-bar button[aria-pressed="true"]{background:var(--surface);color:var(--ink)}
.code-bar .copy{margin-left:auto}
.scale-row{display:grid;grid-template-columns:90px 110px minmax(0,1fr);gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line)}
.scale-row .t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.scale-row small{font-size:12px;color:var(--ink-2)}
@media (max-width:600px){.scale-row{grid-template-columns:70px minmax(0,1fr)}.scale-row small.px{display:none}}
.space-row{display:grid;grid-template-columns:90px 70px minmax(0,1fr);gap:12px;align-items:center;padding:6px 0}
.space-row i{display:block;height:16px;background:var(--accent);border-radius:3px}
.radius-demo{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.radius-demo div{width:78px;height:78px;background:var(--surface-2);border:2px solid var(--ink);display:grid;place-items:end center;padding-bottom:6px;font-size:11px;font-weight:600}
.cprev{margin:18px 0;border-radius:14px;padding:26px;border:1px solid var(--line)}
.cbtn{display:inline-block;margin-top:14px;border:2px solid;border-radius:10px;padding:8px 16px;font-weight:600}
.cres{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.big{font:700 48px var(--display);line-height:1}
.big small{font-size:20px;color:var(--ink-2)}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:8px;flex:1;min-width:240px}
.checks div{border-radius:10px;padding:8px 12px;font-size:14px}
.checks .pass{background:var(--good-bg)} .checks .pass b{color:var(--good)}
.checks .fail{background:var(--bad-bg)} .checks .fail b{color:var(--bad)}
@media (max-width:600px){.checks{grid-template-columns:1fr}}
.fixbox{display:flex;gap:12px;align-items:center;margin-top:16px;padding:14px;border-radius:12px;background:var(--surface-2);flex-wrap:wrap}
.sw1{width:44px;height:44px;border-radius:10px;border:1px solid var(--line)}
.sims{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.sims div{border-radius:10px;padding:10px;font-size:12px;border:1px solid var(--line)}
@media (max-width:600px){.sims{grid-template-columns:1fr 1fr}}
.check-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;align-items:start}
@media (max-width:860px){.check-wrap{grid-template-columns:minmax(0,1fr)}}
fieldset{border:0;margin:0 0 16px;padding:0}
legend{font:700 18px var(--display);margin-bottom:6px}
.chk{display:flex;gap:12px;align-items:flex-start;padding:10px 4px;border-bottom:1px solid var(--line);cursor:pointer}
.chk input{width:20px;height:20px;margin-top:3px;accent-color:var(--accent);flex-shrink:0}
.chk span{flex:1}
.chk a{font-size:13px;color:var(--ink-2)}
.score-card{position:sticky;top:84px}
.bar{height:10px;background:var(--surface-2);border-radius:99px;overflow:hidden}
.bar>span{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .4s}
.gline{display:flex;justify-content:space-between;font-size:14px;padding:4px 0}
.toast{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;z-index:50}

/* path */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:10px;counter-reset:s}
.steps li{counter-increment:s}
.steps a{display:flex;gap:14px;align-items:center;padding:14px 16px;text-decoration:none;color:var(--ink)}
.steps a:before{content:counter(s);flex-shrink:0;width:32px;height:32px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font:700 14px var(--display)}
.steps li.done a:before{content:"\2713";background:var(--good-bg);color:var(--good)}
.steps .k{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.steps b{display:block}
.steps span.d{font-size:14px;color:var(--ink-2)}

/* cheat sheet */
.sheet{padding:28px}
.sheet-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;border-bottom:2px solid var(--ink);padding-bottom:14px;margin-bottom:6px}
.sheet h3{font:700 14px var(--text);text-transform:uppercase;letter-spacing:.06em;margin:18px 0 8px;color:var(--accent)}
.nums{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.nums div{background:var(--surface-2);border-radius:10px;padding:10px;display:flex;flex-direction:column}
.nums b{font:700 18px var(--display)}
.nums span{font-size:12px;color:var(--ink-2);line-height:1.3}
.sheet-grid{columns:2;column-gap:28px}
.sheet-grid section{break-inside:avoid}
.sheet dl{margin:0}
.sheet dt{font-weight:700;font-size:14px;margin-top:6px}
.sheet dt a{text-decoration:none}
.sheet dd{margin:0;font-size:13px;color:var(--ink-2);line-height:1.4}
@media (max-width:700px){.nums{grid-template-columns:repeat(2,1fr)}.sheet-grid{columns:1}.sheet{padding:20px}}
@media print{
  @page{margin:12mm}
  body{background:#fff}
  .site-head,.site-foot,.no-print,.cta-band,.skip{display:none!important}
  main{padding:0}
  .sheet{box-shadow:none;border:0;padding:0}
  .nums div{background:#f2f2f2}
  .sheet dd,.nums span{color:#333}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.article > h2:first-child{margin-top:0}

/* flow components */
.linkbtn{background:none;border:0;padding:0;color:var(--ink-2);text-decoration:underline;font-size:14px;cursor:pointer}
.pathbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:var(--surface);border:1.5px solid var(--accent);border-radius:14px;padding:10px 14px;margin-bottom:18px}
.pb-info{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.pb-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.course-strip{display:flex;align-items:center;gap:12px;font-size:13px;margin:-4px 0 16px;flex-wrap:wrap}
.course-strip .bar{flex:1;min-width:120px;height:6px}
.next-card{margin-top:18px;padding:22px 26px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;border:1.5px solid var(--accent)}
.next-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn[aria-pressed="true"]{border-color:var(--good);color:var(--good)}
.pager .btn{max-width:100%;white-space:normal;text-align:center}
.progress-card{padding:18px 20px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:20px}
.done-card{padding:16px 20px;margin:-6px 0 18px;background:var(--good-bg);border-color:transparent}
.steps li.current a{border-color:var(--accent)}
.steps li.current a:before{background:var(--accent);color:var(--accent-ink)}
.topic-list{display:grid;gap:8px}
.topic-row{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;padding:10px 14px;background:var(--surface-2);border-radius:10px;font-size:14px}
@media (max-width:600px){.topic-row{grid-template-columns:1fr auto}.topic-row .muted{grid-column:1/-1;order:3}.next-card{padding:18px}.next-actions .btn{width:100%}}

/* ===== Bento system (low cognitive load: one message + one action per tile) ===== */
.bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:minmax(150px,auto);gap:14px}
.bento.three{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:minmax(130px,auto);margin-top:16px}
.bento.two-col{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:minmax(200px,auto)}
.bx{position:relative;display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:20px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s}
a.bx:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--ink)}
.bx.w2{grid-column:span 2}.bx.w3{grid-column:span 3}.bx.h2{grid-row:span 2}
.bx h2,.bx h3,.bx .h3{font:700 21px/1.2 var(--display);letter-spacing:-.02em;margin:0}
.bx p{margin:0;color:var(--ink-2);font-size:15px;max-width:38ch}
.bx .bt{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.bx .go{margin-top:auto;padding-top:10px;font-size:14px;font-weight:600}
.bx .ic{width:30px;height:30px;margin-bottom:6px;color:var(--ink)}
.bx.accent{background:#FFE9E2;border-color:#FFD2C4}
.bx.soft{background:var(--surface-2);border-color:transparent}
.bx.dark{background:#16140F;border-color:#16140F;color:#F6F4EF}
.bx.dark p,.bx.dark .bt{color:#CFCBC1}.bx.dark .ic{color:#FF7A60}
.bx.feature .ic{width:56px;height:56px}
.bx.feature h3{font-size:30px}
:root[data-theme="dark"] .bx.accent{background:#3A1E16;border-color:#57291C}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .bx.accent{background:#3A1E16;border-color:#57291C}}
:root[data-theme="dark"] .bx.dark{background:#F3F0E8;color:#16140F;border-color:#F3F0E8}
:root[data-theme="dark"] .bx.dark p,:root[data-theme="dark"] .bx.dark .bt{color:#4A463D}
:root[data-theme="dark"] .bx.dark .ic{color:#B8341B}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .bx.dark{background:#F3F0E8;color:#16140F;border-color:#F3F0E8}:root:not([data-theme="light"]) .bx.dark p,:root:not([data-theme="light"]) .bx.dark .bt{color:#4A463D}:root:not([data-theme="light"]) .bx.dark .ic{color:#B8341B}}
.hero-bx{padding:34px;justify-content:center;gap:14px}
.hero-bx .display{font:700 clamp(40px,5.4vw,68px)/1 var(--display);letter-spacing:-.045em;color:var(--ink);margin:4px 0 0;max-width:none}
.hero-bx .display s{text-decoration-color:var(--brand,#FF4D2E);text-decoration-thickness:6px}
.hero-bx .lead-s{font-size:17px;max-width:40ch}
.hero-bx.small{padding:22px;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.hero-bx.small .course-mini{flex:1;min-width:200px}
.course-mini{display:grid;gap:6px;font-size:14px;max-width:380px}
.btn.big{min-height:52px;padding:14px 24px;font-size:17px;align-self:flex-start}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:10px}
.chips a{background:var(--surface-2);border-radius:99px;padding:7px 13px;font-size:14px;font-weight:500;text-decoration:none;color:var(--ink)}
.chips a:hover{background:var(--ink);color:var(--bg)}
.paths-bx .roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:auto;padding-top:10px}
.paths-bx .roles a{background:var(--surface);border:1.5px solid transparent;border-radius:14px;padding:12px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:2px}
.paths-bx .roles a:hover{border-color:var(--accent)}
.paths-bx .roles span{font-size:13px;color:var(--ink-2)}
.cta-bx h2{font-size:22px}
.topics{grid-auto-rows:minmax(140px,auto)}
.topic-bx{gap:10px}
.ring{--p:0;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--good) calc(var(--p)*1%),var(--surface-2) 0);flex-shrink:0}
.ring span{width:40px;height:40px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font:700 16px var(--display);color:var(--ink)}
.bx.dark .done-ring{background:#FF7A60}.bx.dark .done-ring span{background:#16140F;color:#F6F4EF}
:root[data-theme="dark"] .bx.dark .done-ring span{background:#F3F0E8;color:#16140F}
.list-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:40px 0 8px}
.list-head h2{font-size:24px}
.list-head .search{margin:0;max-width:300px;height:42px}
.level-group{margin-top:22px;scroll-margin-top:84px}
.lg-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
.lg-head h3{font-size:18px}
.lrows{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.lrow{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:12px;align-items:center;padding:13px 18px;text-decoration:none;color:var(--ink);border-top:1px solid var(--line)}
.lrow:first-child{border-top:0}
.lrow:hover{background:var(--surface-2)}
.lnum{font:600 13px var(--display);color:var(--ink-2)}
.lt{font-weight:600}
.lrow .st{font-size:13px;color:var(--ink-2);white-space:nowrap}
.lrow .st.on{color:var(--good);font-weight:600}
.lesson-col{max-width:820px;margin:0 auto}
.lesson-col .pager{justify-content:space-between}
.foot-row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{text-decoration:none;font-weight:500}
.foot-links a:hover{text-decoration:underline}
@media (max-width:900px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bx.w3{grid-column:span 2}
  .paths-bx .roles{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:600px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:auto;gap:10px}
  .bento.three,.bento.two-col{grid-template-columns:minmax(0,1fr)}
  .bx.w2,.bx.w3{grid-column:1/-1}.bx.h2{grid-row:auto}
  .bx h2,.bx h3,.bx .h3{font-size:18px}
  .bento:not(.three):not(.two-col) .bx:not(.w2):not(.w3) .bt{font-size:11px}
  .bx{padding:18px}
  .hero-bx{padding:24px}
  .list-head .search{max-width:none}
}

/* ===== Mobile hardening ===== */
input,select,textarea{font-size:16px!important}
input[type=range]{height:32px}
.code-bar{flex-wrap:wrap}
.ramp div{font-size:12px}
.ramp b,.aa{font-size:12px}
@media (max-width:860px){
  .nav a{padding:12px 14px;min-height:44px;display:inline-flex;align-items:center}
  .icon-btn{min-height:44px;min-width:44px}
  .xp-chip{min-height:36px}
}
@media (max-width:600px){
  .crumbs a,.crumbs span{display:inline-block;padding:10px 2px}
  .foot-links a{padding:10px 4px;min-height:44px;display:inline-flex;align-items:center}
  .foot-links{gap:6px 14px}
  .sheet dt a{display:block;padding:8px 0}
  .lrow{padding:14px 16px;min-height:52px}
  .btn.sm{min-height:44px}
  .linkbtn{min-height:44px;padding:0 6px}
  .chk{padding:12px 4px;min-height:52px}
  .chk a{padding:10px 4px}
  .bento:not(.three):not(.two-col) .bx:not(.w2):not(.w3) .bt{font-size:12px}
  .pathbar{padding:10px 12px}
  .pb-actions{width:100%}
  .pb-actions .btn{flex:1}
  .code-bar .copy{margin-left:0}
  .page-head h1{font-size:34px}
}

/* ===== Bad Design brand layer: neo-brutalist, cream / orange / ink ===== */
:root{
  --bg:#F1EEDF; --surface:#FFFDF6; --surface-2:#E6E1CF; --ink:#0F0A00; --ink-2:#5A5242; --line:#0F0A00; --line-soft:#CFC8B3;
  --accent:#F55B00; --accent-ink:#0F0A00; --accent-text:#A63D00; --brand:#F55B00;
  --good:#0B6B3A; --good-bg:#D8EDD3; --bad:#B3261E; --bad-bg:#F6DCD4; --gold:#F55B00; --star-off:#CFC8B3;
  --deep:#0F0A00; --deep-ink:#F1EEDF; --deep-ink-2:#CFC8B3; --deep-ic:var(--accent);
  --hard:#0F0A00; --shadow:4px 4px 0 var(--hard); --shadow-sm:2px 2px 0 var(--hard); --radius:10px;
  --line-w:2px; --lift:translate(-2px,-2px); --lift-sm:translate(-1px,-1px); --press:translate(2px,2px);
  --shadow-md:3px 3px 0 var(--hard); --shadow-lg:6px 6px 0 var(--hard); --shadow-accent:6px 6px 0 var(--accent); --shadow-press:0 0 0 var(--hard);
  --display:"Space Grotesk",system-ui,sans-serif; --text:"Space Grotesk",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F0A00; --surface:#1A1409; --surface-2:#282013; --ink:#F1EEDF; --ink-2:#B3AC98; --line:#F1EEDF; --line-soft:#4A4030;
    --accent:#F55B00; --accent-ink:#0F0A00; --accent-text:#FF8A3D;
    --good:#6FD39A; --good-bg:#10301D; --bad:#FF8A7A; --bad-bg:#3A1612; --star-off:#4A4030;
    --deep:#F1EEDF; --deep-ink:#0F0A00; --deep-ink-2:#4A4030; --deep-ic:#A63D00;
  --hard:#F55B00;
  }
}
:root[data-theme="dark"]{
  --bg:#0F0A00; --surface:#1A1409; --surface-2:#282013; --ink:#F1EEDF; --ink-2:#B3AC98; --line:#F1EEDF; --line-soft:#4A4030;
  --accent:#F55B00; --accent-ink:#0F0A00; --accent-text:#FF8A3D;
  --good:#6FD39A; --good-bg:#10301D; --bad:#FF8A7A; --bad-bg:#3A1612; --star-off:#4A4030;
  --deep:#F1EEDF; --deep-ink:#0F0A00; --deep-ink-2:#4A4030; --deep-ic:#A63D00;
  --hard:#F55B00;
}
body{font-family:var(--text);background:var(--bg)}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.03em}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
a{text-underline-offset:3px}

/* type accents */
.eyebrow,.bx .bt,.tile .tag,.steps .k,.dd,.sheet h3,.lnum,.pill,.kbd,.mono{font-family:var(--mono)}
.eyebrow{color:var(--accent-text);letter-spacing:.08em;font-size:12px}
.bx .bt,.tile .tag{letter-spacing:.06em;font-weight:700}
.sheet h3{color:var(--accent-text)}
.hero h1 s,.hero-bx .display s,h1 s{text-decoration-color:var(--accent);text-decoration-thickness:.12em}

/* surfaces */
.card,.bx,.lrows,.tile{border:var(--line-w) solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.bx.soft{background:var(--surface-2);border-color:var(--line)}
.bx.accent{background:var(--accent);border-color:var(--line);color:var(--accent-ink)}
.bx.accent p,.bx.accent .bt,.bx.accent .ic,.bx.accent h2,.bx.accent h3{color:var(--accent-ink)}
.bx.dark{background:var(--deep);border-color:var(--deep);color:var(--deep-ink)}
.bx.dark p,.bx.dark .bt{color:var(--deep-ink-2)}.bx.dark .ic{color:var(--deep-ic)}
a.bx,a.tile{transition:transform .12s ease,box-shadow .12s ease}
a.bx:hover,a.tile:hover{transform:var(--lift);box-shadow:var(--shadow-lg);border-color:var(--line)}
a.bx:active,a.tile:active{transform:var(--press);box-shadow:var(--shadow-press)}
:root[data-theme="dark"] .bx.accent{background:var(--accent);border-color:var(--accent)}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .bx.accent{background:var(--accent);border-color:var(--accent)}
}
.bx.dark .done-ring{background:var(--accent)}
.bx.dark .done-ring span{background:var(--deep);color:var(--deep-ink)}

/* buttons */
.btn{border:var(--line-w) solid var(--line);border-radius:8px;background:var(--accent);color:var(--accent-ink);font-weight:700;box-shadow:var(--shadow-sm);transition:transform .1s,box-shadow .1s}
.btn:hover{transform:var(--lift-sm);box-shadow:var(--shadow-md)}
.btn:active{transform:var(--press);box-shadow:var(--shadow-press)}
.btn.ghost{background:var(--surface);color:var(--ink);border:var(--line-w) solid var(--line)}
.btn.sm{border-radius:6px}
.btn[aria-pressed="true"]{border-color:var(--good);color:var(--good)}
.bx.accent .btn,.cta-band .btn{border-color:var(--accent-ink)}
.icon-btn{border:var(--line-w) solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}
.pill{border:var(--line-w) solid var(--line);border-radius:6px;font-size:12px}
.pill.good{border-color:var(--good)}
.linkbtn{color:var(--ink-2)}

/* header + footer */
.site-head{background:var(--bg);border-bottom:var(--line-w) solid var(--line);backdrop-filter:none}
.logo{letter-spacing:-.03em}
.logo i{background:var(--accent);border:var(--line-w) solid var(--ink);border-radius:3px;transform:rotate(-8deg);box-shadow:2px 2px 0 var(--ink)}
.logo b{font-weight:700;color:var(--accent-text)}
.nav a{border-radius:6px;font-weight:600;color:var(--ink)}
.nav a[aria-current="page"],.nav a:hover{background:var(--ink);color:var(--bg)}
.track-chip{font:700 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;text-decoration:none;background:var(--accent);color:var(--accent-ink);border:var(--line-w) solid var(--line);border-radius:6px;padding:7px 9px;white-space:nowrap}
.tracks-menu{position:relative}
.tracks-menu summary{list-style:none;cursor:pointer;border:var(--line-w) solid var(--line);border-radius:8px;padding:0 12px;height:38px;display:flex;align-items:center;font-weight:600;font-size:14px;background:var(--surface);box-shadow:var(--shadow-sm)}
.tracks-menu summary::-webkit-details-marker{display:none}
.tracks-menu summary:after{content:"\25BE";margin-left:6px;font-size:12px}
.tm-list{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:var(--line-w) solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:6px;display:grid;min-width:220px;z-index:30}
.tm-list a{padding:10px 12px;border-radius:6px;text-decoration:none;font-weight:600}
.tm-list a:hover{background:var(--surface-2)}
.tm-list a[aria-current]{background:var(--accent);color:var(--accent-ink)}
.site-foot{border-top:var(--line-w) solid var(--line);background:var(--surface-2);color:var(--ink-2)}
.cta-band{background:var(--deep);color:var(--deep-ink);border:var(--line-w) solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-accent)}
.cta-band p{color:var(--deep-ink-2);opacity:1}
.head-right .btn.sm{white-space:nowrap}
.head-row{row-gap:8px}
@media (max-width:1240px){
  .head-row{flex-wrap:wrap;height:auto;padding:10px 0}
  .nav{order:3;width:100%;margin:0;overflow-x:auto}
  .head-right{order:2}
}
@media (max-width:860px){.tracks-menu summary{height:44px}.track-chip{padding:9px}}
@media (max-width:520px){.logo span{font-size:16px}.head-right{gap:6px}.tracks-menu summary{padding:0 8px;font-size:13px}}

/* controls */
.search,.field input[type=text],.field input[type=number],.field select,.txt,.field textarea,.cin input[type=color]{border:var(--line-w) solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink)}
.field textarea{width:100%;padding:12px;font:500 16px/1.55 var(--text);resize:vertical;min-height:160px}
.seg{border:var(--line-w) solid var(--line);border-radius:8px}
.chips a{background:var(--surface);border:var(--line-w) solid var(--line);border-radius:6px;font-weight:600}
.chips a:hover{background:var(--accent);color:var(--accent-ink)}
.bx.dark .chips a{background:transparent;color:inherit;border-color:currentColor}
.bx.dark .chips a:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.paths-bx .roles a{border:var(--line-w) solid var(--line);border-radius:8px}
.paths-bx .roles a:hover{background:var(--accent);color:var(--accent-ink)}
.paths-bx .roles a:hover span{color:var(--accent-ink)}
.bar{background:var(--surface-2);border:var(--line-w) solid var(--line);border-radius:4px;height:12px}
.bar>span{background:var(--accent);border-radius:0}
.course-strip .bar{height:10px}
.ring{background:conic-gradient(var(--accent) calc(var(--p)*1%),var(--surface-2) 0);border:var(--line-w) solid var(--line)}
.lrow{border-top:var(--line-w) solid var(--line-soft)}
.lrow:hover{background:var(--accent);color:var(--accent-ink)}
.lrow:hover .st,.lrow:hover .lnum{color:var(--accent-ink)}
.next-card,.pathbar{border:var(--line-w) solid var(--line);box-shadow:var(--shadow-accent)}
.topic-row,.nums div,.stats div,.fixbox{border:var(--line-w) solid var(--line);border-radius:8px}
.faq details{border-top:var(--line-w) solid var(--line-soft)}
.code-tabs pre{background:var(--deep);color:var(--deep-ink)}
.code-bar{border:var(--line-w) solid var(--line);border-bottom:0}
.toast{border:var(--line-w) solid var(--accent);border-radius:8px;font-weight:600}
.dos li:before,.donts li:before{border-radius:4px}
.steps a:before{border-radius:6px;border:var(--line-w) solid var(--line)}
.steps li.current a{box-shadow:var(--shadow-accent)}
.done-card{border:var(--line-w) solid var(--good)}
.mk{border-radius:6px}

/* academy root */
.academy-hero .display{font-size:clamp(40px,6vw,76px)}
.stat-bx{justify-content:flex-end}
.stat-bx .big-num{font:700 clamp(48px,6vw,72px)/1 var(--display);letter-spacing:-.05em;margin:auto 0 0;max-width:none;color:inherit}
.stat-bx.accent .big-num{color:var(--accent-ink)}
.sec-block{margin-top:56px;scroll-margin-top:90px}
.sec-head{margin-bottom:18px}
.sec-head h2{font-size:clamp(30px,4.4vw,44px);margin:6px 0 8px}
.sec-head p{margin:0;max-width:60ch}
.tracks-bento{grid-auto-rows:minmax(210px,auto)}
.track-bx .bar{margin-top:auto}
.track-bx .go{padding-top:12px}
.track-bx.done .bar>span{background:var(--good)}
.insane-bx h2{font-size:clamp(28px,3.4vw,36px)}
.how{margin:10px 0 0;padding-left:20px;display:grid;gap:8px;color:var(--ink-2)}
.how b{color:var(--ink)}
.tools-all{grid-auto-rows:minmax(150px,auto)}
@media (max-width:900px){.tracks-bento .track-bx.w2{grid-column:span 2}}
@media (max-width:600px){.tracks-bento .bx{grid-column:1/-1}.stat-bx .big-num{font-size:44px}.sec-block{margin-top:40px}}

/* new tools */
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tool-grid.wide-left{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
@media (max-width:900px){.tool-grid.wide-left{grid-template-columns:minmax(0,1fr)}}
.hsw{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px}
.hsw div{border:var(--line-w) solid var(--line);border-radius:8px;min-height:110px;padding:10px;display:flex;flex-direction:column;justify-content:space-between;font:700 13px var(--mono)}
.hsw small{font:500 11px var(--mono)}
.hprev{border:var(--line-w) solid var(--line);border-radius:8px;overflow:hidden;min-height:180px;padding:20px;display:flex;flex-direction:column;gap:12px}
.hprev .h{font:700 26px/1.1 var(--display);letter-spacing:-.03em;max-width:none}
.hprev .card2{padding:14px;border-radius:6px}
.hprev .cta{align-self:flex-start;padding:10px 16px;border-radius:6px;font-weight:700}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;margin:12px 0 14px}
.legend span{display:inline-flex;gap:6px;align-items:center}
.lg{display:inline-block;width:26px;height:0;border-top:var(--line-w) solid}
.lg.cut{border-color:var(--ink)}
.lg.crease{border-top-style:dashed;border-color:#D24B00}
.lg.bleed{border-top:6px solid #9CC3E6}
.dl-stage{background:#fff;border:var(--line-w) solid var(--line);border-radius:8px;padding:10px;overflow:auto}
.dl-stage svg{display:block;width:100%;height:auto;min-width:320px}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin-top:14px}
.kv div{border:var(--line-w) solid var(--line);border-radius:8px;padding:10px;background:var(--surface-2)}
.kv b{display:block;font:700 20px var(--display)}
.kv small{font-size:12px;color:var(--ink-2)}
.score{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.score .big{font-size:56px}
.score .grade{font:700 12px var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:6px 8px;border:var(--line-w) solid var(--line);border-radius:6px}
.score .grade.ok{background:var(--good-bg);color:var(--good);border-color:var(--good)}
.score .grade.meh{background:var(--accent);color:var(--accent-ink)}
.score .grade.bad{background:var(--bad-bg);color:var(--bad);border-color:var(--bad)}
.tips{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.tips li{padding:10px 12px 10px 38px;border:var(--line-w) solid var(--line-soft);border-radius:8px;position:relative;font-size:14px}
.tips li:before{position:absolute;left:10px;top:9px;width:20px;height:20px;border-radius:4px;display:grid;place-items:center;font-size:12px;font-weight:700}
.tips li.ok:before{content:"\2713";background:var(--good-bg);color:var(--good)}
.tips li.no:before{content:"!";background:var(--bad-bg);color:var(--bad)}
.tips li.mid:before{content:"~";background:var(--surface-2);color:var(--ink)}
.hl-text{white-space:pre-wrap;line-height:1.8;max-width:75ch}
mark{color:inherit;border-radius:3px;padding:1px 2px}
.hl-long{background:rgba(245,91,0,.22)}
.hl-pass{background:rgba(31,111,178,.2)}
.hl-fill{background:rgba(179,38,30,.2);text-decoration:line-through;text-decoration-color:var(--bad)}
.plat{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;padding:12px 0;border-top:var(--line-w) solid var(--line-soft)}
.plat:first-of-type{border-top:0}
.plat b{font-size:15px}
.plat .cnt{font:700 13px var(--mono);white-space:nowrap}
.plat .cnt.over{color:var(--bad)}
.plat .pv{grid-column:1/-1;font-size:13px;color:var(--ink-2);background:var(--surface-2);border-radius:6px;padding:8px 10px;overflow-wrap:anywhere}
.plat .pv b{font-size:13px;color:var(--ink)}
.plat .bar{grid-column:1/-1;height:8px}
.plat .bar.over>span{background:var(--bad)}
.table-wrap{overflow-x:auto}
table.ref{width:100%;border-collapse:collapse;font-size:14px}
.ref th,.ref td{text-align:left;padding:10px 8px;border-bottom:var(--line-w) solid var(--line-soft)}
.ref th{font:700 12px var(--mono);text-transform:uppercase;letter-spacing:.05em}
@media (max-width:600px){.field-row{grid-template-columns:1fr}}

/* ===== game-only tweaks (harmless on site pages) ===== */
.opt,.choice,.chip,.dnd-item,.zone,.mode,.lvl,.badge,.hick-grid button,.lib-filter button{border-radius:8px}
.opt,.choice{border:var(--line-w) solid var(--line-soft)}
.opt:hover,.choice:hover{border-color:var(--line)}
.mode{border:var(--line-w) solid var(--line)!important;box-shadow:var(--shadow)}
.mode.insane{background:var(--deep);color:var(--deep-ink);box-shadow:var(--shadow-accent)}
.chip,.dnd-item{border:var(--line-w) solid var(--line)}
.zone{border:var(--line-w) dashed var(--line)}
svg:not(.on) > path[fill="var(--line)"]{fill:var(--star-off)}
.rank-title{letter-spacing:-.03em}
.sitebar .tchip{border-radius:4px}
.mode .tag,.pill.streak,.tile .tag{color:var(--accent-text);font-family:var(--mono)}
.mode.insane .tag{color:var(--deep-ic)}
.mode.insane p{color:var(--deep-ink-2)}
.tracks-bento{grid-template-columns:repeat(3,minmax(0,1fr))}
.tools-all{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:900px){.tracks-bento,.tools-all{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---- headline analyzer ---- */
.ideas{display:grid;gap:10px}
.idea{border:var(--line-w) solid var(--line-soft);border-radius:8px;padding:12px;display:grid;gap:6px}
.idea .k{font:700 11px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--accent-text)}
.idea p{margin:0;font-weight:600;font-size:15px;line-height:1.35}
.idea .btn{justify-self:start}
/* ---- SERP preview ---- */
.serp{background:var(--surface);border:var(--line-w) solid var(--line-soft);border-radius:8px;padding:14px;font-family:Arial,system-ui,sans-serif;max-width:600px}
.serp.mobile{max-width:400px}
.serp .s-url{display:flex;gap:8px;align-items:center;font-size:12px;line-height:1.3;color:var(--ink-2);margin-bottom:6px}
.serp .s-fav{width:26px;height:26px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line-soft);flex:none}
.serp .s-url b{color:var(--ink);font-size:13px}
.serp .s-title{margin:0 0 4px;font-size:20px;line-height:1.3;color:#1a0dab;font-weight:400}
:root[data-theme="dark"] .serp .s-title{color:#8ab4f8}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .serp .s-title{color:#8ab4f8}}
.serp.mobile .s-title{font-size:18px}
.serp .s-desc{margin:0;font-size:14px;line-height:1.58;color:var(--ink-2)}
/* ---- safe zones ---- */
.sz-frame{position:relative;width:100%;max-width:300px;margin:0 auto;background:linear-gradient(160deg,#55524b,#2b2924);border:var(--line-w) solid var(--line);border-radius:10px;overflow:hidden;container-type:inline-size}
.zone-bad{position:absolute;background:repeating-linear-gradient(45deg,rgba(245,91,0,.34),rgba(245,91,0,.34) 6px,rgba(245,91,0,.14) 6px,rgba(245,91,0,.14) 12px);display:flex;align-items:center;justify-content:center}
.zone-bad span{font:600 9px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.6);padding:2px}
.sz-text{position:absolute;left:4%;transform:translateY(-50%);font-weight:700;line-height:1.1;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.45);letter-spacing:-.02em}
/* ---- layout grid ---- */
.grid-stage{background:var(--surface-2);border:var(--line-w) solid var(--line);border-radius:8px;padding:12px 0;overflow:hidden}
.gs-frame{width:100%}
.gs-cols{display:grid;height:150px}
.gs-cols i{background:rgba(245,91,0,.3);border-left:1px solid rgba(245,91,0,.65);border-right:1px solid rgba(245,91,0,.65);display:block}
/* ---- target checker ---- */
.tg-stage{background:var(--surface);border:var(--line-w) solid var(--line);border-radius:8px;padding:18px;display:grid;gap:16px;place-items:center}
.tg-row{display:flex;align-items:center}
.tg-box{background:var(--accent);border:2px solid var(--ink);border-radius:6px;display:grid;place-items:center;color:var(--accent-ink);font-size:13px;flex:none}
.tg-box.ghost{background:var(--surface-2);color:var(--ink-2)}
.tg-ref{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}
.tg-ref small{font-size:11px;color:var(--ink-2)}
.tg-ring{border:2px dashed var(--accent-text);border-radius:50%;display:inline-block;flex:none}
/* ---- discovery questions ---- */
.qlist{margin:0;padding-left:20px;display:grid;gap:7px;font-size:15px}
.qlist li::marker{color:var(--accent)}

/* ---- templates ---- */
.tpl-list{display:grid;gap:14px;max-width:900px}
.tpl{padding:20px}
.tpl-head{display:flex;gap:16px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}
.tpl-head h2{font-size:22px;margin:6px 0 4px}
.tpl-head p{margin:0;color:var(--ink-2);max-width:56ch;font-size:15px}
.tpl-head .btn{flex:none}
.tpl-peek{margin-top:14px;border-top:var(--line-w) solid var(--line-soft);padding-top:10px}
.tpl-peek summary{cursor:pointer;font-weight:600;font-size:14px}
.tpl-peek pre{margin:10px 0 0;background:var(--surface-2);border:var(--line-w) solid var(--line-soft);border-radius:8px;padding:14px;overflow:auto;max-height:320px;font:12.5px/1.6 var(--mono);white-space:pre-wrap;word-break:break-word}
@media (max-width:560px){.tpl-head .btn{width:100%}}
.zone-bad.side span{writing-mode:vertical-rl;text-orientation:mixed}
.score-card ul{display:grid;gap:6px}
.score-card ul li a{display:inline-block;padding:6px 2px;min-height:24px}

/* ===== daily practice ===== */
.daily-wrap{max-width:760px;margin:0 auto}
.d-head{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.d-stat{background:var(--surface);border:var(--line-w) solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:10px 16px;display:grid;gap:2px;min-width:104px}
.d-stat b{font:700 26px/1 var(--display);letter-spacing:-.03em}
.d-note{flex:1 1 100%;margin:0;font-size:14px;background:var(--surface-2);border:var(--line-w) dashed var(--line);border-radius:var(--radius);padding:10px 14px}
.d-card{padding:26px;display:grid;gap:14px}
.d-card h2{font-size:clamp(26px,4vw,36px)}
.d-card > p{margin:0;max-width:60ch}
.d-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.d-progress{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:space-between}
.d-dots{display:flex;gap:6px}
.d-dots i{width:22px;height:8px;border-radius:99px;background:var(--surface-2);border:var(--line-w) solid var(--line);display:block}
.d-dots i.on{background:var(--accent)}
.d-dots i.ok{background:var(--good);border-color:var(--good)}
.d-dots i.no{background:var(--bad);border-color:var(--bad)}
.d-q{font-size:clamp(20px,3vw,27px);line-height:1.2}
.d-opts{display:grid;gap:10px}
.d-opts.pick{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:620px){.d-opts.pick{grid-template-columns:minmax(0,1fr)}}
.d-opt{background:var(--surface-2);border:2px solid var(--line-soft);border-radius:var(--radius);padding:14px;text-align:left;color:var(--ink);display:grid;gap:10px;transition:border-color .12s,transform .12s}
.d-opt:hover:not([disabled]){border-color:var(--line);transform:var(--lift-sm)}
.d-lbl{font-size:11px;color:var(--ink-2)}
.d-choice{background:var(--surface-2);border:2px solid var(--line-soft);border-radius:var(--radius);padding:14px 16px;text-align:left;color:var(--ink);font-weight:500;min-height:56px;transition:border-color .12s,transform .12s}
.d-choice:hover:not([disabled]){border-color:var(--line);transform:var(--lift-sm)}
.d-opt.right,.d-choice.right{border-color:var(--good);background:var(--good-bg)}
.d-opt.wrong,.d-choice.wrong{border-color:var(--bad);background:var(--bad-bg)}
.d-opt[disabled],.d-choice[disabled]{cursor:default;opacity:1}
.d-hint summary{font-size:14px;font-weight:600;cursor:pointer;color:var(--ink-2)}
.d-hint p{margin:8px 0 0;font-size:14px}
.d-feedback{border:var(--line-w) solid var(--line);border-left-width:6px;border-radius:var(--radius);padding:14px 16px;font-size:15px;line-height:1.55}
.d-feedback.ok{border-left-color:var(--good);background:var(--good-bg)}
.d-feedback.no{border-left-color:var(--bad);background:var(--bad-bg)}
.d-links{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:8px;font-size:14px}
.d-links a{font-weight:700}
.d-missed{border-top:var(--line-w) solid var(--line-soft);padding-top:12px}
.d-missed ul{margin:8px 0 0;padding-left:18px;display:grid;gap:6px;font-size:15px}
.d-foot{font-size:13px;margin-top:22px;text-align:center}
.d-card .mk{max-width:100%}

/* ===== embed mode (for iframes on baddesign.io) ===== */
.embed .site-head,.embed .site-foot,.embed .crumbs,.embed .cta-band,.embed .d-foot,.embed .pager,.embed .tpl-peek{display:none!important}
.embed main{padding:0}
.embed .page{padding:0}
.embed .page-head{margin-bottom:14px}
.embed .page-head h1{font-size:clamp(24px,4vw,32px)}
.embed .wrap{padding:0 12px}
.embed body{background:transparent}
.restore-bar{background:var(--good-bg);color:var(--good);border-bottom:var(--line-w) solid var(--good);padding:10px 16px;font-size:14px;text-align:center}
.embed-pick{display:grid;gap:12px;max-width:760px}
.embed-snip{display:grid;gap:8px}
.embed-snip textarea{width:100%;min-height:96px;font:12.5px/1.6 var(--mono);border:var(--line-w) solid var(--line);border-radius:8px;padding:12px;background:var(--surface-2);color:var(--ink);resize:vertical}
.embed-frame{border:var(--line-w) solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.embed-frame iframe{display:block;width:100%;border:0}
.daily-bx{justify-content:flex-end}
.daily-bx .big-num{font:700 clamp(44px,5vw,64px)/1 var(--display);letter-spacing:-.05em;margin:auto 0 0;color:var(--deep-ic)}

/* ===== Bad Design 2026 layer =====
   Matches baddesign.io: soft cream + warm glow, thin borders, soft shadows,
   pill buttons, glass pill header, big rounded cards, ink footer with wordmark.
   Applies to the default "Bad Design" skin only. Calm and Pro are untouched.
   The previous neo-brutalist layer is kept in brand.neo-brutalist.backup.css. */

:root:not([data-skin="calm"]):not([data-skin="pro"]){
  --bg:#F1EEDF; --surface:#FFFDF6; --surface-2:#ECE6D3; --ink:#0F0A00; --ink-2:#6B6352;
  --line:rgba(15,10,0,.13); --line-soft:rgba(15,10,0,.09); --line-strong:rgba(15,10,0,.24);
  --accent:#F55B00; --accent-2:#FF8A3D; --accent-ink:#0F0A00; --accent-text:#A63D00; --brand:#F55B00; --peach:#FFF3E9; --tint:#F7E3D2;
  --deep:#0F0A00; --deep-ink:#F1EEDF; --deep-ink-2:#C9C1AD; --deep-ic:#FF8A3D;
  --hard:rgba(15,10,0,.2);
  --shadow:0 1px 0 rgba(15,10,0,.04),0 24px 60px -28px rgba(15,10,0,.28);
  --shadow-sm:0 6px 16px -10px rgba(15,10,0,.35);
  --shadow-md:0 14px 30px -16px rgba(15,10,0,.35);
  --shadow-lg:0 34px 70px -30px rgba(15,10,0,.38);
  --shadow-accent:0 24px 60px -24px rgba(245,91,0,.55);
  --shadow-press:0 2px 6px -2px rgba(15,10,0,.2);
  --radius:26px; --line-w:1px;
  --lift:translateY(-5px); --lift-sm:translateY(-2px); --press:translateY(0) scale(.98);
  --ease:cubic-bezier(.2,.8,.2,1);
}
:root:not([data-skin="calm"]):not([data-skin="pro"])[data-theme="dark"]{
  --bg:#0F0A00; --surface:#1A1409; --surface-2:#241C10; --ink:#F1EEDF; --ink-2:#B3AC98;
  --line:rgba(241,238,223,.13); --line-soft:rgba(241,238,223,.08); --line-strong:rgba(241,238,223,.26);
  --accent-text:#FF8A3D; --peach:#2A1A0C; --tint:#1F160B;
  --deep:#F1EEDF; --deep-ink:#0F0A00; --deep-ink-2:#4A4030; --deep-ic:#A63D00;
  --shadow:0 1px 0 rgba(0,0,0,.2),0 24px 60px -28px rgba(0,0,0,.7);
  --shadow-sm:0 6px 16px -10px rgba(0,0,0,.6); --shadow-md:0 14px 30px -16px rgba(0,0,0,.6); --shadow-lg:0 34px 70px -30px rgba(0,0,0,.75);
}
@media (prefers-color-scheme: dark){
  :root:not([data-skin="calm"]):not([data-skin="pro"]):not([data-theme="light"]){
    --bg:#0F0A00; --surface:#1A1409; --surface-2:#241C10; --ink:#F1EEDF; --ink-2:#B3AC98;
    --line:rgba(241,238,223,.13); --line-soft:rgba(241,238,223,.08); --line-strong:rgba(241,238,223,.26);
    --accent-text:#FF8A3D; --peach:#2A1A0C; --tint:#1F160B;
    --deep:#F1EEDF; --deep-ink:#0F0A00; --deep-ink-2:#4A4030; --deep-ic:#A63D00;
    --shadow:0 1px 0 rgba(0,0,0,.2),0 24px 60px -28px rgba(0,0,0,.7);
    --shadow-sm:0 6px 16px -10px rgba(0,0,0,.6); --shadow-md:0 14px 30px -16px rgba(0,0,0,.6); --shadow-lg:0 34px 70px -30px rgba(0,0,0,.75);
  }
}

/* ---------- page ground: warm glow at the top, like the main site ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) body{
  background:
    radial-gradient(900px 520px at 12% -120px, color-mix(in srgb,var(--accent-2) 42%,transparent), transparent 70%),
    radial-gradient(800px 480px at 92% -160px, color-mix(in srgb,var(--accent) 26%,transparent), transparent 70%),
    var(--bg);
  background-repeat:no-repeat;
}
:root:not([data-skin="calm"]):not([data-skin="pro"]) h1,
:root:not([data-skin="calm"]):not([data-skin="pro"]) h2{letter-spacing:-.045em}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .page-head h1,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .article h1{font-size:clamp(38px,6vw,68px);line-height:.95;letter-spacing:-.055em}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent-text);letter-spacing:.16em;text-transform:uppercase;font-size:11px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .eyebrow:before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);transform:rotate(45deg);flex:none}

/* ---------- glass pill header ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .site-head{background:transparent;border:0;backdrop-filter:none;padding-top:12px;pointer-events:none}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .head-row{
  pointer-events:auto;max-width:1160px;height:auto;min-height:58px;padding:8px 8px 8px 20px;border-radius:999px;
  background:color-mix(in srgb,var(--surface) 74%,transparent);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid var(--line);box-shadow:0 10px 30px -18px rgba(15,10,0,.35)
}
@media (max-width:1240px){:root:not([data-skin="calm"]):not([data-skin="pro"]) .head-row{border-radius:24px;padding:10px 12px 10px 16px}}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .logo i{width:18px;height:18px;border:0;border-radius:5px;transform:rotate(-12deg);box-shadow:3px 3px 0 var(--ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .logo b{color:var(--accent-text)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .nav a{border-radius:999px;font-weight:500;padding:8px 14px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .nav a:hover{background:color-mix(in srgb,var(--ink) 7%,transparent);color:var(--ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .nav a[aria-current="page"]{background:var(--ink);color:var(--bg)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .track-chip{border:0;border-radius:999px;padding:8px 12px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .tracks-menu summary{border-radius:999px;box-shadow:none;border-color:var(--line-strong);background:transparent}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .tm-list{border-radius:20px;border-color:var(--line);box-shadow:var(--shadow-lg);padding:8px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .tm-list a{border-radius:12px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .tm-list a:hover{background:var(--peach)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .icon-btn{border-radius:999px;box-shadow:none;border-color:var(--line-strong);background:transparent}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .skin-pick button{border-radius:999px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) main{padding-top:18px}

/* ---------- buttons, pills, chips ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .btn{
  border:1px solid transparent;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:700;letter-spacing:-.01em;
  box-shadow:0 18px 40px -18px rgba(245,91,0,.6),inset 0 -3px 0 rgba(0,0,0,.16);transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s
}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .btn:hover{transform:translateY(-2px);background:#FF6A12;box-shadow:0 22px 44px -18px rgba(245,91,0,.7),inset 0 -3px 0 rgba(0,0,0,.16)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .btn:active{transform:translateY(0) scale(.98)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-strong);box-shadow:none}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .btn.ghost:hover{background:var(--surface);border-color:var(--ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .btn.sm{border-radius:999px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .head-right .btn.sm{background:var(--ink);color:var(--bg);box-shadow:none}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .head-right .btn.sm:hover{background:#1D170C}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .pill,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .chips a,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .score .grade{border-radius:999px;border-color:var(--line-strong)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .chips a:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* ---------- cards and bento ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .card,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .tile,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .lrows{border:1px solid var(--line);border-radius:var(--radius);box-shadow:none;background:var(--surface)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx{padding:26px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) a.bx,
:root:not([data-skin="calm"]):not([data-skin="pro"]) a.tile{transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s}
:root:not([data-skin="calm"]):not([data-skin="pro"]) a.bx:hover,
:root:not([data-skin="calm"]):not([data-skin="pro"]) a.tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--line)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx .bt{color:var(--accent-text);letter-spacing:.14em;font-size:11px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx h2,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx h3,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx .h3{font-size:23px;letter-spacing:-.03em;line-height:1.08}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx .go{font-weight:700;display:inline-flex;align-items:center;gap:8px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx .go > span[aria-hidden]{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1px solid currentColor;opacity:.55;transition:transform .3s var(--ease),opacity .3s,background .3s}
:root:not([data-skin="calm"]):not([data-skin="pro"]) a.bx:hover .go > span[aria-hidden]{opacity:1;transform:rotate(-45deg);background:var(--ink);color:var(--bg);border-color:var(--ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx.soft{background:var(--tint);border-color:transparent}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx.accent{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx.accent .bt{color:var(--accent-ink);opacity:.8}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx.accent p{color:rgba(15,10,0,.8)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) a.bx.accent:hover .go > span[aria-hidden]{background:var(--accent-ink);color:var(--accent)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx.dark{background:var(--deep);border-color:var(--deep);color:var(--deep-ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bx.dark .bt{color:var(--deep-ic)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) a.bx.dark:hover .go > span[aria-hidden]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

/* hero: big type, glow, grain */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hero-bx{
  position:relative;isolation:isolate;overflow:hidden;border-radius:34px;padding:clamp(28px,4vw,48px);
  background:radial-gradient(70% 90% at 100% 0%, color-mix(in srgb,var(--accent) 28%,transparent), transparent 60%),radial-gradient(60% 80% at 0% 100%, color-mix(in srgb,var(--accent-2) 22%,transparent), transparent 60%),var(--surface)
}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hero-bx .display{font-size:clamp(44px,6.4vw,92px);line-height:.88;letter-spacing:-.06em}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hero-bx .display s{text-decoration-color:var(--accent);text-decoration-thickness:.1em;color:color-mix(in srgb,var(--ink) 40%,transparent)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hero-bx .display em,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hero-bx .display b{font-style:normal;background:linear-gradient(100deg,var(--accent) 10%,var(--accent-2) 50%,var(--accent) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hero-bx.small{border-radius:var(--radius);padding:22px;background:var(--surface)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .stat-bx .big-num{letter-spacing:-.06em}

/* ---------- lists, progress, rings ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bar{border:0;height:10px;border-radius:999px;background:color-mix(in srgb,var(--ink) 8%,transparent)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .bar>span{border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .ring{border:0}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .lrow{border-top-color:var(--line-soft);transition:background .2s,padding .3s var(--ease)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .lrow:hover{background:var(--peach);color:var(--ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .lrow:hover .st,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .lrow:hover .lnum{color:var(--accent-text)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .next-card,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .pathbar{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .topic-row,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .nums div,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .stats div,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .fixbox,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .kv div,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .idea,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .tips li,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hsw div,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .hprev{border-radius:16px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .steps a:before{border-radius:50%}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .steps li.current a{box-shadow:var(--shadow-accent)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .faq details{border-top-color:var(--line)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .code-tabs pre{border-radius:16px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .toast{border-radius:999px;border:0;background:var(--ink);color:var(--bg);box-shadow:var(--shadow-lg)}

/* ---------- forms ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .search,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .field input[type=text],
:root:not([data-skin="calm"]):not([data-skin="pro"]) .field input[type=number],
:root:not([data-skin="calm"]):not([data-skin="pro"]) .field select,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .txt,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .field textarea,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .embed-snip textarea{border:2px solid transparent;border-radius:14px;background:var(--surface-2);transition:border-color .2s,background .2s}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .search:focus,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .field input:focus,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .field select:focus,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .field textarea:focus,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .txt:focus{border-color:var(--ink);background:var(--surface);outline:none}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .seg{border-radius:999px;border-color:var(--line-strong);overflow:hidden}

/* ---------- CTA band + footer ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .cta-band{
  border:0;border-radius:36px;box-shadow:none;position:relative;overflow:hidden;isolation:isolate;
  background:radial-gradient(60% 90% at 50% 120%, rgba(245,91,0,.55), transparent 70%),#0F0A00;color:#F1EEDF
}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .cta-band p{color:#C9C1AD}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .cta-band .btn{border-color:transparent}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .site-foot{
  margin:48px 12px 0;border:0;border-radius:40px 40px 0 0;background:#0F0A00;color:#A89F8A;padding:56px 0 0;overflow:hidden;position:relative
}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .site-foot a{color:#F1EEDF}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .site-foot a:hover{color:#FF8A3D}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .site-foot .logo b{color:#FF8A3D}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .site-foot .logo i{box-shadow:3px 3px 0 #F1EEDF}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .site-foot:after{
  content:"academy";display:block;text-align:center;white-space:nowrap;margin-top:24px;
  font:700 clamp(72px,19vw,300px)/.75 var(--display);letter-spacing:-.07em;
  background:linear-gradient(180deg,#F55B00,rgba(245,91,0,0) 85%);-webkit-background-clip:text;background-clip:text;color:transparent;pointer-events:none;user-select:none
}

/* ---------- daily + game surfaces ---------- */
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-stat{border:1px solid var(--line);border-radius:18px;box-shadow:none}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-note{border:0;border-radius:18px;background:var(--tint)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-opt,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-choice{border:2px solid transparent;border-radius:18px;background:var(--surface-2)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-opt:hover:not([disabled]),
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-choice:hover:not([disabled]){border-color:var(--ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-feedback{border:0;border-left:6px solid;border-radius:18px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .d-dots i{border:0;height:6px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .opt,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .choice{border-radius:18px;border-color:var(--line)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .opt:hover,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .choice:hover{border-color:var(--ink)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .mode{border:1px solid var(--line)!important;border-radius:var(--radius);box-shadow:none}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .mode:hover{box-shadow:var(--shadow-lg)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .mode.insane{background:radial-gradient(70% 90% at 100% 0%,rgba(245,91,0,.45),transparent 60%),var(--deep);border-color:var(--deep)!important;box-shadow:none}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .chip,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .dnd-item{border-radius:999px;border-color:var(--line-strong)}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .zone{border-radius:18px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .lvl,
:root:not([data-skin="calm"]):not([data-skin="pro"]) .badge{border-radius:16px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .sitebar{border-radius:999px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .sitebar .tchip{border-radius:999px}
:root:not([data-skin="calm"]):not([data-skin="pro"]) .embed-frame{border-radius:var(--radius)}

@media (prefers-reduced-motion:reduce){
  :root:not([data-skin="calm"]):not([data-skin="pro"]) a.bx:hover,
  :root:not([data-skin="calm"]):not([data-skin="pro"]) .btn:hover{transform:none}
}

/* layout fix (all skins): the academy hero spans the three stat tiles beside it */
@media (min-width:901px){.home-bento .academy-hero{grid-row:span 3}}
/* layout fix (all skins): the track-home "done for you" tile becomes a full-width band instead of an orphan */
@media (min-width:901px){.cta-bx{grid-column:1/-1;min-height:0!important;flex-direction:row!important;align-items:center;gap:24px!important;flex-wrap:wrap}.cta-bx .go{margin:0 0 0 auto!important;padding:0!important}}
.tracks-menu summary{white-space:nowrap}

/* ===== Skins: three looks for three kinds of people =====
   default (no attribute) = Bad Design, matches baddesign.io (see brand-2026.css)
   data-skin="calm"       = soothing, neutral, low stimulation
   data-skin="pro"        = professional, corporate, restrained
   Each skin keeps its own light and dark set. Structure comes from tokens
   set in brand.css: --line-w, --radius, --shadow*, --lift*, --press. */

/* ---------- CALM: warm neutrals, sage accent, soft edges ---------- */
:root[data-skin="calm"]{
  --bg:#F5F4F0; --surface:#FFFFFF; --surface-2:#EBEAE4; --ink:#2B2A26; --ink-2:#5E5C55; --line:#DCDAD2; --line-soft:#E7E5DE;
  --accent:#3F6F62; --accent-ink:#FFFFFF; --accent-text:#2F5A4F; --brand:#3F6F62;
  --good:#1D6247; --good-bg:#E2F0E8; --bad:#A8443C; --bad-bg:#F6E5E2; --gold:#C08A33; --star-off:#DCDAD2;
  --deep:#343B37; --deep-ink:#F5F4F0; --deep-ink-2:#C6CCC7; --deep-ic:#9CC3B4;
  --hard:rgba(43,42,38,.10);
  --shadow:0 1px 2px rgba(43,42,38,.05),0 10px 24px rgba(43,42,38,.06);
  --shadow-sm:0 1px 2px rgba(43,42,38,.06);
  --shadow-md:0 6px 18px rgba(43,42,38,.10);
  --shadow-lg:0 10px 30px rgba(43,42,38,.10);
  --shadow-accent:0 10px 30px rgba(63,111,98,.18);
  --shadow-press:0 1px 2px rgba(43,42,38,.06);
  --radius:18px; --line-w:1px;
  --lift:translateY(-3px); --lift-sm:translateY(-1px); --press:translateY(1px);
  --display:Inter,system-ui,sans-serif; --text:Inter,system-ui,sans-serif; --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
}
:root[data-skin="calm"][data-theme="dark"]{
  --bg:#1C1F1D; --surface:#242826; --surface-2:#2E3330; --ink:#EDEEEA; --ink-2:#A9AEA9; --line:#3A403C; --line-soft:#343B37;
  --accent:#6FA495; --accent-ink:#11201B; --accent-text:#9CC3B4;
  --good:#7BC6A2; --good-bg:#1B3128; --bad:#E39A91; --bad-bg:#332020; --star-off:#3A403C;
  --deep:#EDEEEA; --deep-ink:#1C1F1D; --deep-ink-2:#4B534E; --deep-ic:#2F5A4F;
  --hard:rgba(0,0,0,.4);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 24px rgba(0,0,0,.28);
  --shadow-accent:0 10px 30px rgba(111,164,149,.2);
}
@media (prefers-color-scheme: dark){
  :root[data-skin="calm"]:not([data-theme="light"]){
    --bg:#1C1F1D; --surface:#242826; --surface-2:#2E3330; --ink:#EDEEEA; --ink-2:#A9AEA9; --line:#3A403C; --line-soft:#343B37;
    --accent:#6FA495; --accent-ink:#11201B; --accent-text:#9CC3B4;
    --good:#7BC6A2; --good-bg:#1B3128; --bad:#E39A91; --bad-bg:#332020; --star-off:#3A403C;
    --deep:#EDEEEA; --deep-ink:#1C1F1D; --deep-ink-2:#4B534E; --deep-ic:#2F5A4F;
    --hard:rgba(0,0,0,.4);
    --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 24px rgba(0,0,0,.28);
    --shadow-accent:0 10px 30px rgba(111,164,149,.2);
  }
}

/* ---------- PRO: white, blue, tight radii, restrained shadows ---------- */
:root[data-skin="pro"]{
  --bg:#FFFFFF; --surface:#FFFFFF; --surface-2:#F2F4F7; --ink:#101828; --ink-2:#475467; --line:#D0D5DD; --line-soft:#EAECF0;
  --accent:#1B57C4; --accent-ink:#FFFFFF; --accent-text:#14479E; --brand:#1B57C4;
  --good:#067647; --good-bg:#ECFDF3; --bad:#B42318; --bad-bg:#FEF3F2; --gold:#B54708; --star-off:#D0D5DD;
  --deep:#101828; --deep-ink:#FFFFFF; --deep-ink-2:#C3CBD9; --deep-ic:#84ADFF;
  --hard:rgba(16,24,40,.12);
  --shadow:0 1px 2px rgba(16,24,40,.06),0 4px 12px rgba(16,24,40,.06);
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --shadow-md:0 4px 10px rgba(16,24,40,.10);
  --shadow-lg:0 8px 22px rgba(16,24,40,.12);
  --shadow-accent:0 8px 22px rgba(27,87,196,.18);
  --shadow-press:0 1px 2px rgba(16,24,40,.06);
  --radius:8px; --line-w:1px;
  --lift:translateY(-2px); --lift-sm:translateY(-1px); --press:translateY(1px);
  --display:Inter,system-ui,sans-serif; --text:Inter,system-ui,sans-serif; --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
}
:root[data-skin="pro"][data-theme="dark"]{
  --bg:#0C111D; --surface:#161B26; --surface-2:#1F242F; --ink:#F5F6F7; --ink-2:#94A0B4; --line:#333741; --line-soft:#272B33;
  --accent:#4C8DFF; --accent-ink:#0A1020; --accent-text:#84ADFF;
  --good:#47CD89; --good-bg:#0A2B1D; --bad:#F97066; --bad-bg:#2E1414; --star-off:#333741;
  --deep:#F5F6F7; --deep-ink:#0C111D; --deep-ink-2:#4A5468; --deep-ic:#14479E;
  --hard:rgba(0,0,0,.5);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 4px 12px rgba(0,0,0,.35);
  --shadow-accent:0 8px 22px rgba(76,141,255,.22);
}
@media (prefers-color-scheme: dark){
  :root[data-skin="pro"]:not([data-theme="light"]){
    --bg:#0C111D; --surface:#161B26; --surface-2:#1F242F; --ink:#F5F6F7; --ink-2:#94A0B4; --line:#333741; --line-soft:#272B33;
    --accent:#4C8DFF; --accent-ink:#0A1020; --accent-text:#84ADFF;
    --good:#47CD89; --good-bg:#0A2B1D; --bad:#F97066; --bad-bg:#2E1414; --star-off:#333741;
    --deep:#F5F6F7; --deep-ink:#0C111D; --deep-ink-2:#4A5468; --deep-ic:#14479E;
    --hard:rgba(0,0,0,.5);
    --shadow:0 1px 2px rgba(0,0,0,.4),0 4px 12px rgba(0,0,0,.35);
    --shadow-accent:0 8px 22px rgba(76,141,255,.22);
  }
}

/* ---------- shared softening for both non-brutalist skins ---------- */
:root[data-skin="calm"] .logo i,:root[data-skin="pro"] .logo i{border:0;box-shadow:none;transform:none;border-radius:6px}
:root[data-skin="calm"] h1,:root[data-skin="calm"] h2,:root[data-skin="calm"] h3,:root[data-skin="calm"] h4,
:root[data-skin="pro"] h1,:root[data-skin="pro"] h2,:root[data-skin="pro"] h3,:root[data-skin="pro"] h4{letter-spacing:-.02em}
:root[data-skin="calm"] .hero-bx .display,:root[data-skin="pro"] .hero-bx .display{letter-spacing:-.03em}
:root[data-skin="calm"] .eyebrow,:root[data-skin="pro"] .eyebrow,
:root[data-skin="calm"] .bx .bt,:root[data-skin="pro"] .bx .bt,
:root[data-skin="calm"] .track-chip,:root[data-skin="pro"] .track-chip{font-family:var(--text);letter-spacing:.06em}
:root[data-skin="calm"] .btn,:root[data-skin="pro"] .btn{font-weight:600}
:root[data-skin="calm"] .btn.ghost,:root[data-skin="pro"] .btn.ghost{border-color:var(--line)}
:root[data-skin="calm"] .site-head,:root[data-skin="pro"] .site-head{background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px)}
:root[data-skin="calm"] .lrow:hover,:root[data-skin="pro"] .lrow:hover{background:var(--surface-2);color:var(--ink)}
:root[data-skin="calm"] .lrow:hover .st,:root[data-skin="pro"] .lrow:hover .st{color:var(--ink-2)}
:root[data-skin="calm"] .lrow:hover .lnum,:root[data-skin="pro"] .lrow:hover .lnum{color:var(--ink-2)}
:root[data-skin="calm"] .chips a:hover,:root[data-skin="pro"] .chips a:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
:root[data-skin="calm"] .nav a[aria-current="page"],:root[data-skin="pro"] .nav a[aria-current="page"],
:root[data-skin="calm"] .nav a:hover,:root[data-skin="pro"] .nav a:hover{background:var(--surface-2);color:var(--ink)}
:root[data-skin="calm"] .bar,:root[data-skin="pro"] .bar{border:0;height:8px;border-radius:99px;background:var(--surface-2)}
:root[data-skin="calm"] .bar>span,:root[data-skin="pro"] .bar>span{border-radius:99px}
:root[data-skin="calm"] .steps a:before,:root[data-skin="pro"] .steps a:before{border:0;border-radius:50%}
:root[data-skin="calm"] .ring,:root[data-skin="pro"] .ring{border:0}
:root[data-skin="calm"] .track-chip,:root[data-skin="pro"] .track-chip{background:var(--surface-2);color:var(--ink-2);border-color:var(--line)}
:root[data-skin="calm"] .sitebar .tchip,:root[data-skin="pro"] .sitebar .tchip{background:rgba(255,255,255,.16);color:inherit}
:root[data-skin="calm"] .mode.insane,:root[data-skin="pro"] .mode.insane{box-shadow:var(--shadow)}
:root[data-skin="calm"] .opt,:root[data-skin="pro"] .opt,
:root[data-skin="calm"] .choice,:root[data-skin="pro"] .choice{border-width:2px}
:root[data-skin="calm"] .sitebar,:root[data-skin="pro"] .sitebar{background:var(--deep);color:var(--deep-ink);border-bottom:0}
/* calm asks for less motion and less shouting */
:root[data-skin="calm"] s{text-decoration-thickness:.08em}
:root[data-skin="calm"] .display,:root[data-skin="calm"] .big-num{font-weight:600}

/* ---------- the picker ---------- */
.skin-pick{display:flex;align-items:center;gap:4px;padding:3px;border:var(--line-w) solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow-sm)}
.skin-pick button{border:0;border-radius:7px;background:transparent;color:var(--ink-2);font:600 12px/1 var(--text);padding:0 12px;min-height:34px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}

.skin-pick button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.skin-pick i{width:10px;height:10px;border-radius:3px;display:inline-block;border:1px solid rgba(0,0,0,.25)}
.skin-pick .s-bad i{background:#F55B00}
.skin-pick .s-calm i{background:#3F6F62}
.skin-pick .s-pro i{background:#1B57C4}
.skin-pick button[aria-pressed="true"] i{border-color:rgba(255,255,255,.6)}
@media (max-width:860px){.skin-pick button{min-height:44px}}
@media (max-width:640px){.skin-pick .lbl{display:none}.skin-pick button{padding:0 11px}}
.skins-demo{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:10px}
@media (max-width:900px){.skins-demo{grid-template-columns:1fr}}
:root[data-skin="calm"] .mode .tag,:root[data-skin="pro"] .mode .tag,
:root[data-skin="calm"] .pill,:root[data-skin="pro"] .pill,
:root[data-skin="calm"] .lnum,:root[data-skin="pro"] .lnum,
:root[data-skin="calm"] .steps .k,:root[data-skin="pro"] .steps .k,
:root[data-skin="calm"] .sheet h3,:root[data-skin="pro"] .sheet h3,
:root[data-skin="calm"] .score .grade,:root[data-skin="pro"] .score .grade,
:root[data-skin="calm"] .ref th,:root[data-skin="pro"] .ref th,
:root[data-skin="calm"] .sitebar .tchip,:root[data-skin="pro"] .sitebar .tchip{font-family:var(--text)}
:root[data-skin="calm"] .pill,:root[data-skin="pro"] .pill{border-radius:99px}