/* Layout: midnight hero band with a branching-paths motif, then a sticky section bar; each section is a working view of the product. */
:root{
  --bg:#F4F6F9; --surface:#FFFFFF; --ink:#0E1A2B; --muted:#55657A; --line:#DCE3EC; --soft:#EAF0F6;
  --brand:#0A7486; --brand-soft:#E1F1F3; --accent:#A85F00; --accent-fill:#F2A541;
  --ok:#1C7A4B; --ok-soft:#E2F3EA; --warn:#9A5600; --warn-soft:#FBEFD9; --bad:#B42318; --bad-soft:#FBE6E4;
  --hero-bg:#0E1A2B; --hero-ink:#EAF1F8; --hero-muted:#9FB0C5; --hero-line:#26384F;
  --f-display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0A1320; --surface:#111D2E; --ink:#E5ECF4; --muted:#93A3B8; --line:#22324A; --soft:#16243A;
  --brand:#5CC6D6; --brand-soft:#123142; --accent:#F2B35B; --accent-fill:#F2A541;
  --ok:#54D69A; --ok-soft:#10301F; --warn:#F5B454; --warn-soft:#33240E; --bad:#F48A80; --bad-soft:#3A1715;
  --hero-bg:#060D18; --hero-ink:#EAF1F8; --hero-muted:#93A3B8; --hero-line:#1C2B40; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0A1320; --surface:#111D2E; --ink:#E5ECF4; --muted:#93A3B8; --line:#22324A; --soft:#16243A;
  --brand:#5CC6D6; --brand-soft:#123142; --accent:#F2B35B; --accent-fill:#F2A541;
  --ok:#54D69A; --ok-soft:#10301F; --warn:#F5B454; --warn-soft:#33240E; --bad:#F48A80; --bad-soft:#3A1715;
  --hero-bg:#060D18; --hero-ink:#EAF1F8; --hero-muted:#93A3B8; --hero-line:#1C2B40; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.55}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.15}
p{margin:0}
a{color:var(--brand)}
:focus-visible{outline:2px solid var(--accent-fill);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--f-mono)}
.label{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* prototype ribbon */
.ribbon{background:var(--warn-soft);color:var(--warn);font-size:12.5px;text-align:center}
.ribbon .wrap{padding-block:6px}

/* hero */
.hero{background:var(--hero-bg);color:var(--hero-ink);position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:32px;align-items:center;padding-block:40px 44px}
.topline{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.word{font-family:var(--f-display);font-weight:800;font-size:22px;letter-spacing:-.01em}
.word .ai{font-family:var(--f-mono);font-weight:500;color:var(--accent-fill);font-size:.82em;padding:0 1px}
.pillars{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;color:var(--hero-muted);margin:0 0 14px}
.hero h1{font-size:clamp(34px,5.2vw,58px);font-weight:800;letter-spacing:-.025em}
.hero h1 em{font-style:normal;color:var(--accent-fill)}
.hero .lede{color:var(--hero-muted);font-size:17px;max-width:54ch;margin-top:16px}
.signup{display:flex;gap:8px;margin-top:24px;flex-wrap:wrap;max-width:480px}
.signup input{flex:1 1 220px;min-width:0;font:inherit;padding:11px 14px;border-radius:8px;border:1px solid var(--hero-line);background:#0000;color:var(--hero-ink)}
.signup input::placeholder{color:var(--hero-muted)}
.btn{font:inherit;font-weight:600;border:0;border-radius:8px;padding:11px 18px;cursor:pointer;background:var(--accent-fill);color:var(--on-accent)}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.signup-note{font-size:12.5px;color:var(--hero-muted);margin-top:8px;min-height:1.4em}
.paths svg{width:100%;height:auto;max-width:440px;display:block;margin-left:auto}
.paths text{font-family:var(--f-mono);font-size:11px;fill:var(--hero-muted)}
@media (prefers-reduced-motion:no-preference){
  .flow{stroke-dasharray:6 8;animation:flow 2.4s linear infinite}
  @keyframes flow{to{stroke-dashoffset:-28}}
}

/* tabs */
.tabs{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.tabs nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.tabs a{flex:none;text-decoration:none;color:var(--muted);font-weight:500;padding:14px 12px;border-bottom:2px solid transparent;font-size:14.5px}
.tabs a:hover{color:var(--ink)}
.tabs a[aria-current="page"]{color:var(--ink);border-color:var(--accent-fill)}
.tabs .pro{font-family:var(--f-mono);font-size:10px;color:var(--accent);margin-left:4px;vertical-align:2px}

main .wrap{padding-block:32px 56px}
.view-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.view-head h2{font-size:28px;font-weight:700;letter-spacing:-.015em}
.view-head p{color:var(--muted);max-width:62ch;margin-top:6px}

/* chips */
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font:inherit;font-size:13px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.filters{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}

/* news */
.news{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.story{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:14px;min-width:0}
.story-top{display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap}
.story h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.status{font-family:var(--f-mono);font-size:11.5px;font-weight:500;padding:3px 9px;border-radius:999px;display:inline-flex;align-items:center;gap:6px}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.s-confirmed{background:var(--ok-soft);color:var(--ok)}
.s-claimed{background:var(--warn-soft);color:var(--warn)}
.s-unverified{background:var(--bad-soft);color:var(--bad)}
.part{display:grid;grid-template-columns:110px minmax(0,1fr);gap:10px;font-size:14.5px}
.part .label{padding-top:3px}
.part.eng{background:var(--brand-soft);border-radius:8px;padding:10px 12px;margin-inline:-4px}
.part.eng .label{color:var(--brand)}
.story-foot{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12.5px;border-top:1px solid var(--line);padding-top:12px;margin-top:auto;flex-wrap:wrap}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:16px}
.legend span{display:inline-flex;align-items:center;gap:6px}

/* companies */
.searchbar{font:inherit;padding:10px 14px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);width:100%;max-width:320px}
.companies{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.co{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:12px;min-width:0}
.co-head{display:flex;gap:12px;align-items:center}
.mark{width:40px;height:40px;border-radius:9px;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;color:#fff;flex:none}
.co h3{font-size:17px;font-weight:700}
.co .focus{color:var(--muted);font-size:13px}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;font-size:13px}
.facts div{background:var(--soft);border-radius:6px;padding:7px 9px;min-width:0}
.facts b{display:block;font-family:var(--f-mono);font-weight:500;font-size:13px;overflow-wrap:anywhere}
.co .latest{font-size:13.5px;border-top:1px solid var(--line);padding-top:10px}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-family:var(--f-mono);font-size:11px;padding:2px 8px;border-radius:4px;background:var(--soft);color:var(--muted)}
.empty{color:var(--muted);padding:24px 0}

/* tools table */
.tablebox{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;min-width:760px;font-size:14px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;background:var(--soft)}
th button{all:unset;cursor:pointer}
th button:focus-visible{outline:2px solid var(--accent-fill)}
td.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right}
th.num{text-align:right}
tr:last-child td{border-bottom:0}
.chg{font-family:var(--f-mono);font-size:12px}
.chg.down{color:var(--ok)} .chg.up{color:var(--bad)} .chg.new{color:var(--brand)}
.note{color:var(--muted);font-size:13px;margin-top:10px}

/* learn */
.paths-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.lp{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;min-width:0}
.lp-head{display:flex;justify-content:space-between;gap:10px;align-items:baseline;flex-wrap:wrap;margin-bottom:6px}
.lp h3{font-size:19px;font-weight:700}
.lp p{color:var(--muted);font-size:14px;margin-bottom:14px}
.lp ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0;counter-reset:m}
.lp li{counter-increment:m;display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:8px;padding:9px 0;border-top:1px solid var(--line);font-size:14px;align-items:baseline}
.lp li::before{content:counter(m);font-family:var(--f-mono);color:var(--muted);font-size:12px}
.lp li span:last-child{font-family:var(--f-mono);font-size:12px;color:var(--muted)}

/* lab */
.lab-q{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:18px}
.lab-q .q{font-family:var(--f-display);font-size:20px;font-weight:700;margin-top:6px}
.lab-q .ctx{color:var(--muted);font-size:13.5px;margin-top:6px}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}
.step{font:inherit;font-size:13.5px;font-weight:500;padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer}
.step[aria-pressed="true"]{border-color:var(--accent-fill);color:var(--ink);background:var(--warn-soft)}
.answers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.ans{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;min-width:0;display:flex;flex-direction:column;gap:10px;font-size:14px}
.ans h3{font-size:16px}
.ans .meta{display:flex;gap:10px;color:var(--muted);font-family:var(--f-mono);font-size:11.5px;flex-wrap:wrap}
.ans ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:6px 20px}
.row{display:grid;grid-template-columns:120px minmax(0,1fr);gap:14px;padding:14px 0;border-top:1px solid var(--line);font-size:14.5px}
.row:first-child{border-top:0}
.check{display:grid;grid-template-columns:90px minmax(0,1fr);gap:14px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;align-items:start}
.check:first-child{border-top:0}
.check code{font-family:var(--f-mono);font-size:12.5px;background:var(--soft);padding:1px 6px;border-radius:4px;overflow-wrap:anywhere}
.decide{border-left:3px solid var(--accent-fill);padding:4px 0 4px 16px;display:flex;flex-direction:column;gap:10px}
.decide h3{font-size:20px}
.decide .human{background:var(--warn-soft);color:var(--warn);font-size:13.5px;padding:10px 12px;border-radius:8px}

/* brief */
.brief{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:20px;align-items:start}
.issue{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px;min-width:0}
.issue h3{font-size:24px;margin:6px 0 4px}
.issue .sec{border-top:1px solid var(--line);padding-top:14px;margin-top:14px;font-size:14.5px}
.issue .sec h4{font-family:var(--f-mono);font-weight:500;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin:0 0 6px}
.issue ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}
.side{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.side input{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:100%}
.side .btn{width:100%}
.side ul{margin:0;padding-left:18px;color:var(--muted);font-size:14px;display:flex;flex-direction:column;gap:4px}

footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px}
footer .wrap{padding-block:24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .paths{display:none}
  .companies,.answers{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brief{grid-template-columns:1fr}
}
@media (max-width:640px){
  .news,.companies,.answers,.paths-grid{grid-template-columns:1fr}
  .part,.row{grid-template-columns:1fr;gap:2px}
  .check{grid-template-columns:1fr;gap:4px}
}

/* ---- live app additions ---- */
.btn[disabled]{opacity:.6;cursor:progress}
.btn.secondary{background:var(--soft);color:var(--ink);border:1px solid var(--line)}
.muted{color:var(--muted)}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:10px;padding:28px;color:var(--muted);text-align:center}
.error-box{background:var(--bad-soft);color:var(--bad);border-radius:8px;padding:12px 14px;font-size:14px}
.loading{color:var(--muted);padding:24px 0;display:flex;gap:10px;align-items:center}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--accent-fill);animation:spin .8s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation-duration:3s}}
.story h3 a{color:inherit;text-decoration:none}
.story h3 a:hover{text-decoration:underline}
.story-foot a{color:var(--muted)}
.why{font-size:12.5px;color:var(--muted)}
.more{display:flex;justify-content:center;margin-top:20px}
.co{cursor:pointer;text-align:left;font:inherit;color:inherit}
.co:hover{border-color:var(--brand)}
.back{background:none;border:0;color:var(--brand);font:inherit;cursor:pointer;padding:0;margin-bottom:14px}
.detail{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:16px}
.detail ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}
.lp li{cursor:pointer}
.lp li button{all:unset;cursor:pointer;color:var(--ink)}
.lp li button:hover,.lp li button:focus-visible{color:var(--brand);text-decoration:underline}
.lp li .done{color:var(--ok);font-family:var(--f-mono);font-size:11px}
.prose{font-size:15.5px;max-width:72ch}
.prose h1,.prose h2,.prose h3{margin:22px 0 8px;font-size:20px}
.prose h3{font-size:17px}
.prose p{margin:0 0 12px}
.prose ul,.prose ol{margin:0 0 12px;padding-left:22px;display:flex;flex-direction:column;gap:4px}
.prose pre{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:13px;line-height:1.5;margin:0 0 12px}
.prose code{font-family:var(--f-mono);font-size:.88em}
.prose :not(pre)>code{background:var(--soft);padding:1px 5px;border-radius:4px}
.prose a{overflow-wrap:anywhere}
.ai-note{font-size:12.5px;background:var(--warn-soft);color:var(--warn);padding:8px 12px;border-radius:8px}
/* lab form */
.lab-form{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px 20px;display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.lab-form textarea,.lab-form input{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:100%}
.lab-form textarea{min-height:92px;resize:vertical}
.lab-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.examples{display:flex;gap:6px;flex-wrap:wrap}
.step .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--line);margin-right:7px;vertical-align:1px}
.step[data-state="running"] .dot{background:var(--accent-fill);animation:pulse 1s ease-in-out infinite}
.step[data-state="done"] .dot{background:var(--ok)}
.step[data-state="error"] .dot{background:var(--bad)}
@keyframes pulse{50%{opacity:.3}}
.ans .prose{font-size:13.5px;max-width:none}
.ans .prose h2{font-size:14px;margin:12px 0 4px;font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--brand)}
.ans .prose pre{font-size:12px}
.ans.pending{color:var(--muted)}
.key{font-family:var(--f-mono);font-size:12px;background:var(--ink);color:var(--surface);border-radius:4px;padding:1px 7px;margin-right:6px}
.vgroup{margin-bottom:14px}
.vgroup h3{font-size:15px;margin:10px 0 2px}
.sev{font-family:var(--f-mono);font-size:11px;padding:2px 7px;border-radius:4px;text-transform:uppercase}
.sev-high{background:var(--bad-soft);color:var(--bad)}.sev-medium{background:var(--warn-soft);color:var(--warn)}.sev-low{background:var(--soft);color:var(--muted)}
.s-pass{background:var(--ok-soft);color:var(--ok)}.s-fail{background:var(--bad-soft);color:var(--bad)}.s-warn{background:var(--warn-soft);color:var(--warn)}.s-not_run{background:var(--soft);color:var(--muted)}
.run-link{font-size:13px}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:10px 16px;border-radius:8px;font-size:14px;z-index:20;max-width:calc(100% - 32px)}

/* ---- AI features ---- */
.digest{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:10px;padding:14px 18px;margin-bottom:18px}
.digest-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.digest .prose{font-size:14.5px;max-width:none}.digest .prose ul{margin:0}
.ask-btn{font:inherit;font-size:12.5px;font-weight:500;color:var(--brand);background:var(--brand-soft);border:0;border-radius:999px;padding:3px 10px;cursor:pointer}
.ask-btn:hover{filter:brightness(.97);text-decoration:underline}
.foot-right{display:inline-flex;gap:10px;align-items:center}
.tutor{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;background:var(--brand-soft);border-radius:10px;padding:14px 16px}
.run-link{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;font-size:13px}
.ask-fab{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:30;display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:600;font-size:14px;border:0;border-radius:999px;padding:12px 18px;background:var(--accent-fill);color:var(--on-accent);box-shadow:0 6px 24px rgba(8,16,28,.32);cursor:pointer}
.ask-fab svg{color:currentColor}
.ask-fab:hover{transform:translateY(-1px)}
.assistant{position:fixed;z-index:40;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));width:min(420px,calc(100vw - 32px));height:min(640px,calc(100vh - 32px));background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(8,16,28,.3);display:flex;flex-direction:column;overflow:hidden}
.as-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;background:var(--hero-bg);color:var(--hero-ink)}
.as-head b{display:block;font-family:var(--f-display);font-size:16px}
.as-head .muted{color:var(--hero-muted);font-size:12px}
.as-actions{display:flex;gap:4px}
.as-head .icon{font:inherit;background:transparent;border:0;color:var(--hero-ink);width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:15px}
.as-head .icon:hover{background:var(--hero-line)}
.as-ctx{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:12.5px;padding:8px 14px;background:var(--brand-soft);color:var(--ink)}
.as-ctx button{background:none;border:0;color:var(--muted);cursor:pointer;font:inherit}
.as-log{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:14px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:92%;font-size:14px;line-height:1.5;overflow-wrap:anywhere}
.msg-user{align-self:flex-end;background:var(--ink);color:var(--surface);padding:8px 12px;border-radius:12px 12px 2px 12px;white-space:pre-wrap}
.msg-ai{align-self:flex-start;background:var(--soft);padding:10px 12px;border-radius:12px 12px 12px 2px;min-width:60px}
.msg .prose{font-size:14px;max-width:none}.msg .prose p:last-child,.msg .prose ul:last-child{margin-bottom:0}
.msg .prose h2,.msg .prose h3{font-size:15px;margin:10px 0 4px}
.msg .prose pre{font-size:12px}
.msg .error-box{margin-top:6px;font-size:13px}
.as-empty{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.as-empty p{margin:0 0 4px;font-size:14px}
.as-empty .chip{text-align:left}
.as-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);align-items:flex-end}
.as-form textarea{flex:1;min-width:0;font:inherit;font-size:14px;resize:none;padding:9px 11px;border-radius:9px;border:1px solid var(--line);background:var(--bg);color:var(--ink);max-height:140px}
.as-foot{font-size:11.5px;color:var(--muted);padding:0 14px 10px;margin:0}
.typing{display:inline-flex;gap:4px}.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:pulse 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@media (max-width:640px){
  .assistant{inset:0;width:auto;height:auto;border-radius:0;right:0;bottom:0;padding-top:env(safe-area-inset-top,0px)}
  .ask-fab span{display:none}.ask-fab{padding:14px}
}
.prose hr{border:0;border-top:1px solid var(--line);margin:14px 0}

/* ---- Accent colours (hover the theme icon to pick) ---- */
:root{--on-accent:#1A1205}
:root[data-accent="coral"]{--accent-fill:#E8785A;--on-accent:#1F0D07;--accent:#B5462A}
:root[data-accent="blue"]{--accent-fill:#4F8EF7;--on-accent:#06142E;--accent:#2563D9}
:root[data-accent="violet"]{--accent-fill:#9B8CFF;--on-accent:#130D33;--accent:#5F4BD8}
:root[data-accent="green"]{--accent-fill:#2BB673;--on-accent:#04210F;--accent:#15804D}
:root[data-theme="dark"][data-accent="coral"]{--accent:#F29A80}
:root[data-theme="dark"][data-accent="blue"]{--accent:#82B2FF}
:root[data-theme="dark"][data-accent="violet"]{--accent:#B9AEFF}
:root[data-theme="dark"][data-accent="green"]{--accent:#62D79E}

/* ---- Top bar ---- */
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:24px;min-height:58px}
.brand{color:var(--ink);text-decoration:none;font-size:20px;flex:none}
.brand .ai{color:var(--accent)}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:none;text-decoration:none;color:var(--muted);font-weight:500;font-size:14.5px;padding:18px 11px 16px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent-fill)}
main.wrap{padding-block:32px 56px}
body:not([data-view="news"]) .hero{display:none}

/* ---- Theme control: double-click toggles dark/light, hover shows accent colours ---- */
.theme-ctl{position:relative;flex:none}
.theme-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--soft);color:var(--ink);display:grid;place-items:center;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:manipulation}
.theme-btn:hover{border-color:var(--accent-fill)}
.theme-btn svg{grid-area:1/1;transition:transform .35s ease,opacity .25s ease}
:root[data-theme="light"] .i-moon,:root:not([data-theme]) .i-moon{opacity:0;transform:rotate(-60deg) scale(.6)}
:root[data-theme="dark"] .i-sun{opacity:0;transform:rotate(60deg) scale(.6)}
.theme-pop{position:absolute;right:0;top:100%;padding-top:10px;width:236px;visibility:hidden;opacity:0;transform:translateY(-4px);transition:opacity .15s ease,transform .15s ease,visibility 0s linear .15s;z-index:25}
.theme-pop>*{position:relative}
.theme-pop::before{content:"";position:absolute;inset:10px 0 0;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 36px rgba(8,16,28,.22)}
.theme-pop .label,.theme-pop .swatches,.theme-pop .theme-hint{margin-inline:14px}
.theme-pop .label{display:block;margin-top:14px}
.theme-ctl:hover .theme-pop,.theme-ctl:focus-within .theme-pop,.theme-ctl.open .theme-pop{visibility:visible;opacity:1;transform:none;transition-delay:0s}
.swatches{display:flex;gap:10px;margin-block:10px 12px}
.swatches button{width:30px;height:30px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;box-shadow:inset 0 0 0 2px var(--surface)}
.swatches button[aria-pressed="true"]{border-color:var(--ink)}
.swatches [data-accent="amber"]{background:#F2A541}.swatches [data-accent="coral"]{background:#E8785A}.swatches [data-accent="blue"]{background:#4F8EF7}
.swatches [data-accent="violet"]{background:#9B8CFF}.swatches [data-accent="green"]{background:#2BB673}
.theme-hint{font-size:12px;color:var(--muted);margin:0 0 14px;padding-top:10px;border-top:1px solid var(--line)}
@media (prefers-reduced-motion:reduce){.theme-btn svg,.theme-pop{transition:none}}

/* ---- News: latest releases, new-stories banner, auto label ---- */
.releases{margin-bottom:22px}
.rel-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:8px}
.rel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:6px;min-width:0;text-decoration:none;color:var(--ink)}
.rel:hover{border-color:var(--accent-fill)}
.rel .co-name{font-family:var(--f-mono);font-size:11.5px;color:var(--brand);text-transform:uppercase;letter-spacing:.05em}
.rel b{font-size:14px;line-height:1.35;overflow-wrap:anywhere}
.rel .when{font-size:12px;color:var(--muted);margin-top:auto}
.new-banner{position:sticky;top:calc(70px + env(safe-area-inset-top,0px));z-index:10;display:flex;justify-content:center;margin-bottom:12px}
.new-banner button{font:inherit;font-size:13.5px;font-weight:600;border:0;border-radius:999px;padding:8px 16px;background:var(--ink);color:var(--surface);cursor:pointer;box-shadow:0 6px 18px rgba(8,16,28,.2)}
.auto-tag{font-family:var(--f-mono);font-size:11px;color:var(--muted)}
td.notes{white-space:normal;min-width:240px}
footer{padding-bottom:64px}

@media (max-width:900px){.rel-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
  .topbar-in{flex-wrap:wrap;gap:0 12px;min-height:0;padding-top:10px}
  .brand{flex:1}
  .nav{order:3;flex-basis:100%;margin-inline:-6px}
  .nav a{padding:12px 9px 11px}
  .rel-list{grid-template-columns:1fr}
  .hero .wrap{padding-block:28px 32px}
}

/* ---- Company blogs ---- */
.blog-search{width:100%;max-width:360px}
.blog-search .searchbar{max-width:none}
#blogChips{margin-bottom:12px}
a.chip{text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.chip-n{font-family:var(--f-mono);font-size:11px;opacity:.7}
.blog-count{font-size:13px;margin:0 0 10px;min-height:1em}
.post-list{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.post-row{display:flex;gap:14px;padding:16px 18px;border-top:1px solid var(--line);text-decoration:none;color:var(--ink);align-items:flex-start}
.post-row:first-child{border-top:0}
.post-row:hover{background:var(--soft)}
.post-row:hover .post-title{color:var(--accent)}
.mark.sm{width:32px;height:32px;border-radius:8px;font-size:14px}
.post-main{display:flex;flex-direction:column;gap:4px;min-width:0}
.post-meta{font-size:12.5px;color:var(--muted)}
.post-meta b{color:var(--ink);font-weight:600}
.post-title{font-family:var(--f-display);font-weight:700;font-size:17px;line-height:1.3}
.post-excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-list.compact .post-row{padding:12px 14px}
.post-list.compact .post-title{font-size:15px}
.kp-dot{color:var(--ok)}
.co-blog{display:flex;flex-direction:column;gap:8px}
.co-blog-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.co-blog-head a{font-size:13.5px}
.co-latest{margin:0;font-size:13px;border-top:1px solid var(--line);padding-top:10px;display:flex;flex-direction:column;gap:3px;overflow-wrap:anywhere}
.reader{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:14px;max-width:820px}
.reader-meta{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.reader-meta a{color:var(--ink);font-weight:600;text-decoration:none}
.reader-title{font-size:clamp(24px,3.2vw,32px);font-weight:800;letter-spacing:-.015em}
.reader-excerpt{font-size:16.5px;line-height:1.6;margin:0}
.small-note{font-size:12px;color:var(--muted);margin:0}
.kp{background:var(--soft);border-radius:10px;padding:14px 18px}
.kp .prose{font-size:15px;max-width:none}
.kp .prose ul{margin-bottom:8px}
.reader-actions{display:flex;gap:10px;flex-wrap:wrap}
.reader-actions .btn{text-decoration:none}
.reader-more{margin-top:24px;max-width:820px;display:flex;flex-direction:column;gap:8px}
@media (max-width:640px){.reader{padding:18px}.post-row{padding:14px}}

/* ---- Models & prices ---- */
.market-top{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:18px}
.panel-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;min-width:0;display:flex;flex-direction:column;gap:8px}
.mini-row{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;padding:5px 0;border-top:1px solid var(--line);min-width:0}
.mini-row:first-of-type{border-top:0}
.mini-row>span:first-child{min-width:0;overflow-wrap:anywhere}
.mini-row .down,.chg.down{color:var(--ok)} .mini-row .up,.chg.up{color:var(--bad)}
#provChips{margin-bottom:12px}
.sub-h{font-size:20px;margin:32px 0 6px}
table.mini{min-width:0;font-size:13.5px}
table.mini td,table.mini th{padding:8px 10px}
.status-table td{white-space:normal}
/* ---- Story brief ---- */
.sources-line{font-size:13px;color:var(--muted)}
.brief-card{background:var(--soft);border-radius:10px;padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.brief-sec h3{font-size:15px;margin:0 0 6px}
.brief-sec ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px;font-size:14.5px}
.brief-sec.tests li::marker{content:"☐  ";color:var(--brand)}
/* ---- AI Status ---- */
.nav-status{display:inline-flex !important;align-items:center;gap:6px}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.st-dot{width:9px;height:9px;border-radius:50%;flex:none;display:inline-block;background:var(--muted)}
.st-operational .st-dot,.status-dot.st-operational{background:var(--ok)}
.st-degraded .st-dot,.st-maintenance .st-dot,.status-dot.st-degraded{background:var(--warn)}
.st-partial_outage .st-dot,.status-dot.st-partial_outage{background:#E8785A}
.st-major_outage .st-dot,.status-dot.st-major_outage{background:var(--bad)}
.st-unknown .st-dot{background:var(--line)}
.status-banner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:16px;font-size:15px}
.status-banner span:not(.st-dot){color:var(--muted);font-size:14px}
.status-banner.st-operational{border-left:4px solid var(--ok)}.status-banner.st-degraded{border-left:4px solid var(--warn)}
.status-banner.st-partial_outage{border-left:4px solid #E8785A}.status-banner.st-major_outage{border-left:4px solid var(--bad)}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.st-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.st-card.st-degraded,.st-card.st-partial_outage,.st-card.st-major_outage{border-color:var(--warn)}
.st-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.st-head h3{font-size:16px;margin:0}.st-head h3 a{color:var(--ink);text-decoration:none}
.st-pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;white-space:nowrap}
.st-desc{margin:0;font-size:13.5px;color:var(--muted)}
.st-comps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:5px;font-size:13px}
.st-comps li{display:flex;align-items:center;gap:8px}
.st-incident{display:flex;flex-direction:column;gap:2px;background:var(--warn-soft);color:var(--ink);border-radius:8px;padding:8px 10px;text-decoration:none;font-size:13px}
.st-incident span{color:var(--muted);font-size:12px}
.st-foot{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);margin-top:auto;padding-top:6px;border-top:1px solid var(--line);flex-wrap:wrap}
.probe-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.spark{max-width:100%;height:auto}
.spark-line{fill:none;stroke:var(--brand);stroke-width:2;stroke-linejoin:round}
.spark-dot{fill:var(--brand)}
.spark-fail{stroke:var(--bad);stroke-width:2;opacity:.6}
.inc-major,.inc-critical{background:var(--bad) !important}.inc-minor{background:var(--warn) !important}.inc-none,.inc-done{background:var(--ok) !important}
.post-row .st-dot{margin-top:7px}
@media (max-width:900px){.status-grid,.probe-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.status-grid,.probe-grid,.market-top{grid-template-columns:1fr}}

/* ---- Mega menu ---- */
.mega{display:flex;align-items:stretch;gap:2px;flex:1;min-width:0;align-self:stretch}
.mi{display:flex}
.mi-btn{font:inherit;font-size:14.5px;font-weight:500;color:var(--muted);background:none;border:0;border-bottom:2px solid transparent;padding:0 12px;display:inline-flex;align-items:center;gap:5px;cursor:pointer}
.mi-btn:hover,.mi-btn[aria-expanded="true"]{color:var(--ink)}
.mi.active .mi-btn{color:var(--ink);border-bottom-color:var(--accent-fill)}
.mi-btn .chev{transition:transform .15s ease;opacity:.7}
.mi-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.mega-panel{position:absolute;left:0;right:0;top:100%;background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:0 22px 40px rgba(8,16,28,.18);z-index:30}
.mp-inner{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:10px 32px;padding-block:22px 28px}
.mp-inner:not(:has(.mp-feature)){grid-template-columns:minmax(0,1fr)}
.mp-head{grid-column:1/-1;display:inline-flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:700;font-size:20px;color:var(--ink);text-decoration:none;padding-bottom:12px;border-bottom:1px solid var(--line);width:100%}
.mp-head:hover{color:var(--accent)}
.mp-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 24px}
.mp-grid.topics{grid-template-columns:repeat(4,minmax(0,1fr))}
.mp-col h3{font-family:var(--f-mono);font-size:11.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:6px 0 6px}
.ml{display:flex;flex-direction:column;gap:2px;padding:10px 10px;margin-inline:-10px;border-radius:8px;text-decoration:none;color:var(--ink);background:none;border:0;font:inherit;text-align:left;cursor:pointer}
.ml:hover,.ml:focus-visible{background:var(--soft)}
.ml:hover .ml-title{color:var(--accent)}
.ml.compact{padding:7px 10px}
.ml-title{font-weight:600;font-size:14.5px}
.ml-desc{font-size:13px;color:var(--muted)}
.mp-feature{grid-row:2;grid-column:2;display:flex;flex-direction:column;gap:6px;background:var(--hero-bg);color:var(--hero-ink);border-radius:12px;padding:18px;text-decoration:none}
.mp-feature b{font-family:var(--f-display);font-size:19px}
.mp-feature span:not(.label){color:var(--hero-muted);font-size:13.5px}
.mp-feature .label{color:var(--accent-fill)}
.mp-feature .mp-cta{margin-top:auto;color:var(--accent-fill) !important;display:inline-flex;align-items:center;gap:6px;font-weight:600}
.top-actions{display:flex;align-items:center;gap:8px;flex:none}
.menu-btn{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--soft);color:var(--ink);place-items:center;cursor:pointer}
.drawer{border-top:1px solid var(--line);background:var(--surface);max-height:calc(100dvh - 60px);overflow-y:auto}
.dr-sec{border-bottom:1px solid var(--line)}
.dr-sec summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:14px 2px;font-weight:600;cursor:pointer}
.dr-sec summary::-webkit-details-marker{display:none}
.dr-sec[open] summary .chev{transform:rotate(180deg)}
.dr-items{display:flex;flex-direction:column;padding:0 0 10px}
.dr-link{padding:9px 12px;color:var(--ink);text-decoration:none;border-radius:8px;font:inherit;background:none;border:0;text-align:left;cursor:pointer}
.dr-link:hover{background:var(--soft)}
body.drawer-open{overflow:hidden}
@media (max-width:900px){
  .mega{display:none}
  .menu-btn{display:grid}
  .topbar-in{flex-wrap:nowrap;padding-top:0;min-height:58px}
  .brand{flex:1}
}
@media (min-width:901px){.drawer{display:none !important}}
@media (prefers-reduced-motion:reduce){.mi-btn .chev{transition:none}}

/* ---- Topic hub ---- */
.topic-group{margin-bottom:8px}
.topic-group .sub-h{margin-top:22px}
.topic-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.topic-card{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none;color:var(--ink);min-width:0}
.topic-card:hover{border-color:var(--accent-fill)}
.topic-card b{font-family:var(--f-display);font-size:17px}
.topic-card span{font-size:14px;color:var(--muted)}
.topic-card .tc-more{margin-top:auto;padding-top:6px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13.5px}
.tp-hero{background:var(--hero-bg);color:var(--hero-ink);border-radius:14px;padding:30px 32px;display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.tp-hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.02em}
.tp-crumbs{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--hero-muted)}
.tp-crumbs a{color:var(--accent-fill);text-decoration:none}
.tp-tag{font-size:18px;color:var(--hero-muted);margin:0 0 6px;max-width:60ch}
.tp-hero .btn.secondary{background:transparent;color:var(--hero-ink);border-color:var(--hero-line)}
.tp-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:32px;align-items:start}
.tp-toc{position:sticky;top:calc(80px + env(safe-area-inset-top,0px));display:flex;flex-direction:column;gap:2px}
.tp-toc .label{margin-bottom:6px}
.tp-toc a{color:var(--muted);text-decoration:none;font-size:14px;padding:6px 10px;border-left:2px solid var(--line)}
.tp-toc a:hover{color:var(--ink);border-left-color:var(--accent-fill)}
.tp-main{display:flex;flex-direction:column;gap:30px;min-width:0}
.tp-sec{scroll-margin-top:80px}
.tp-sec h2{font-size:24px;margin:0 0 12px}
.tp-sec h3{font-size:16px;margin:16px 0 8px}
.tp-lead{font-size:17px;line-height:1.65;max-width:72ch;margin:0}
.tp-list{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;max-width:72ch}
.tp-list.warn li::marker{color:var(--bad)}
.tp-steps{list-style:none;margin:0;padding:0;counter-reset:st;display:flex;flex-direction:column;gap:10px;max-width:76ch}
.tp-steps li{counter-increment:st;display:grid;grid-template-columns:34px minmax(0,1fr);gap:12px;align-items:start}
.tp-steps li::before{content:counter(st);width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-family:var(--f-mono);font-size:13px;font-weight:500}
.tp-comps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.tp-comp{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.tp-comp span{font-size:14px;color:var(--muted)}
.tp-levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;position:relative}
.tp-level{position:relative;display:flex;flex-direction:column;gap:6px;padding:16px 18px 16px 18px;background:var(--surface);border:1px solid var(--line)}
.tp-level:first-child{border-radius:12px 0 0 12px}.tp-level:last-child{border-radius:0 12px 12px 0}
.tp-level+.tp-level{border-left:0}
.tp-level:nth-child(2){background:color-mix(in srgb,var(--surface) 85%,var(--accent-fill))}
.tp-level:nth-child(3){background:color-mix(in srgb,var(--surface) 70%,var(--accent-fill))}
.tp-lvl-n{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.tp-lvl-n::before{content:"Level "}
.tp-level b{font-family:var(--f-display);font-size:18px}
.tp-level span:last-child{font-size:14px;color:var(--ink);opacity:.85}
.tp-check{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-width:76ch}
.tp-check li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px}
.tp-check li::before{content:"";width:18px;height:18px;border:2px solid var(--brand);border-radius:5px;margin-top:2px}
.tp-live{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.tp-live h3{margin-top:0}
.tp-prompts{display:flex;flex-direction:column;gap:10px}
.tp-prompt{font:inherit;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;cursor:pointer;color:var(--ink);display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:14px}
.tp-prompt:hover{border-color:var(--accent-fill)}
.tp-prompt span{color:var(--accent);flex:none}
@media (max-width:900px){.tp-layout{grid-template-columns:1fr}.tp-toc{display:none}.topic-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.topic-cards,.tp-comps,.tp-live,.tp-levels{grid-template-columns:1fr}.tp-level{border-radius:0 !important;border-left:1px solid var(--line) !important}.tp-level:first-child{border-radius:12px 12px 0 0 !important}.tp-level:last-child{border-radius:0 0 12px 12px !important}.tp-level+.tp-level{border-top:0}.tp-hero{padding:22px 20px}}