:root{--bg:#e6eeff;--card:#fff;--ink:#1b1b3a;--mut:#5d5d82;--line:#1b1b3a;--shadow:#1b1b3a;--track:#d9def2;--field:#f3f5ff;--acc:#5b3df5;--accink:#fff;--green:#16a34a;--yel:#eab308;--org:#f97316;--red:#dc2626;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#14142b;--card:#1f1f3d;--ink:#f1f1ff;--mut:#a3a3cc;--line:#3b3b6b;--shadow:#5b3df5;--track:#2d2d52;--field:#171733;--acc:#8b74ff;--accink:#14142b}}
:root[data-theme="dark"]{--bg:#14142b;--card:#1f1f3d;--ink:#f1f1ff;--mut:#a3a3cc;--line:#3b3b6b;--shadow:#5b3df5;--track:#2d2d52;--field:#171733;--acc:#8b74ff;--accink:#14142b}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:500 16px/1.5 "Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums}
a{color:inherit}
.top{background:var(--card);border-bottom:2px solid var(--line)}
.bar{max-width:1080px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.logo{font-size:24px;font-weight:800;text-decoration:none;letter-spacing:-.02em}
nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
nav a{text-decoration:none;font-weight:700;font-size:15px;padding:4px 10px;border-radius:999px;white-space:nowrap;color:var(--mut)}
nav a.on,nav a:hover{background:var(--acc);color:var(--accink)}
.chips{display:flex;gap:8px}
.chip{border:2px solid var(--line);background:var(--field);border-radius:999px;padding:2px 10px;font-weight:700;font-size:14px;white-space:nowrap}
.wrap{max-width:1080px;margin:0 auto;padding:20px 16px 40px}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
@media (min-width:900px){.layout{grid-template-columns:minmax(0,1fr) 300px}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}}
h1{font-size:clamp(28px,5vw,44px);font-weight:800;margin:0 0 6px;letter-spacing:-.02em;line-height:1.1}
.lead{color:var(--mut);margin:0 0 18px;max-width:62ch;font-size:18px}
.card{background:var(--card);border:2px solid var(--line);border-radius:18px;box-shadow:4px 4px 0 var(--shadow);padding:16px;margin-bottom:16px}
.card h2{margin:0 0 10px;font-size:18px;font-weight:700}
.ad{border:2px dashed var(--line);border-radius:12px;display:grid;place-items:center;color:var(--mut);font-size:14px;min-height:90px;margin-bottom:16px;opacity:.7}
.ad.tall{min-height:250px}
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;margin-bottom:16px}
.tc{display:block;text-decoration:none;margin:0}
.tc:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--shadow)}
.tc b{font-size:19px}.tc p{margin:4px 0 0;color:var(--mut);font-size:15px}
.more a{display:block;padding:6px 0;font-weight:700;text-decoration:none;border-bottom:1px solid var(--track)}
.more a:last-child{border:0}
.meter{position:relative;height:30px;border:2px solid var(--line);border-radius:10px;overflow:hidden;background:linear-gradient(90deg,var(--green) 0%,var(--green) 25%,var(--yel) 45%,var(--org) 70%,var(--red) 92%)}
.meter .mask{position:absolute;top:0;right:0;bottom:0;background:var(--track);transition:width .25s}
.zone{display:flex;justify-content:space-between;align-items:baseline;margin:8px 0 4px}
.zone b{font-size:22px}
input[type=range]{width:100%;accent-color:var(--acc);height:28px;margin:0}
.lives{color:var(--mut);font-size:14px;margin:4px 0 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;font-size:14px;font-weight:700;color:var(--mut);margin-bottom:4px}
input[type=number],input[type=text],select{width:100%;font:inherit;font-weight:700;color:var(--ink);background:var(--field);border:2px solid var(--line);border-radius:10px;padding:10px 12px}
input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.hint{font-size:13px;color:var(--mut);margin:8px 0 0}
.big{display:flex;align-items:center;gap:16px}
.grade{flex:none;width:84px;height:84px;border:2px solid var(--line);border-radius:18px;display:grid;place-items:center;font-size:48px;font-weight:800;background:var(--track)}
.n{font-size:40px;font-weight:800;line-height:1.05;letter-spacing:-.02em}
.u{color:var(--mut);font-size:15px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 0}
.stat{background:var(--field);border:2px solid var(--line);border-radius:10px;padding:8px 12px}
.stat span{display:block;font-size:13px;color:var(--mut);font-weight:700}
.stat b{font-size:18px}
.checks{list-style:none;margin:14px 0;padding:0;display:grid;gap:6px}
.checks li{display:flex;gap:10px;align-items:center}
.m{flex:none;width:24px;height:24px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:14px;font-weight:800;background:var(--track)}
.ok .m{background:var(--green);color:#fff;border-color:var(--green)}
button.lock{width:100%;font:inherit;font-weight:800;font-size:18px;color:var(--accink);background:var(--acc);border:2px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;box-shadow:3px 3px 0 var(--shadow)}
button.lock:active{transform:translate(3px,3px);box-shadow:none}
button.lock:disabled{opacity:.45;cursor:not-allowed}
#toast{min-height:24px;margin-top:10px;font-weight:700;text-align:center}
.xp{height:10px;background:var(--track);border-radius:99px;border:2px solid var(--line);overflow:hidden;margin:8px 0 12px}
.xp i{display:block;height:100%;background:var(--acc)}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{border:2px solid var(--line);border-radius:12px;padding:4px 10px;font-size:14px;font-weight:700;background:var(--field)}
.badge.off{opacity:.4;filter:grayscale(1)}
.how p,.card p.t{margin:0 0 8px;color:var(--mut);max-width:62ch}
code{background:var(--field);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}
footer{max-width:1080px;margin:0 auto;padding:0 16px 32px;font-size:13px;color:var(--mut)}
.jr{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--track)}.jr button{background:none;border:0;color:var(--mut);cursor:pointer;font-size:16px}.pos{color:var(--green)}.neg{color:var(--red)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.menu{position:relative}
.menu summary{list-style:none;cursor:pointer;font-weight:700;font-size:15px;padding:4px 12px;border-radius:999px;color:var(--mut);user-select:none}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:" \25BE"}
.menu[open] summary,.menu summary:hover,.menu.on summary{background:var(--acc);color:var(--accink)}
.menu .panel{position:absolute;top:calc(100% + 10px);left:0;z-index:20;width:460px;display:grid;grid-template-columns:1fr 1fr;gap:2px 12px;background:var(--card);border:2px solid var(--line);border-radius:14px;box-shadow:4px 4px 0 var(--shadow);padding:10px}
.menu .panel a{padding:8px 10px;border-radius:8px;color:var(--ink);font-size:15px}
.menu .panel a:hover,.menu .panel a.on{background:var(--field);color:var(--ink)}
@media (max-width:640px){.bar{position:relative}.menu{position:static}.menu .panel{left:16px;right:16px;width:auto}}
@media (max-width:420px){.menu .panel{grid-template-columns:1fr}}
.tape{background:var(--card);border-bottom:2px solid var(--line);min-height:74px}
.tape .tradingview-widget-container{max-width:1080px;margin:0 auto;padding:0 8px}
.tape .tradingview-widget-copyright{font-size:11px;color:var(--mut);text-align:right;padding:0 8px 4px}
.tape .tradingview-widget-copyright a{color:var(--mut)}
button.chip{font:inherit;font-weight:700;font-size:14px;color:var(--ink);cursor:pointer}
button.chip:hover{background:var(--acc);color:var(--accink)}
.modal{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.55);display:grid;place-items:center;padding:16px}
.modal .card{max-width:380px;width:100%;margin:0}
:root{--bg:#f2ead8;--card:#fffaf0;--ink:#14213d;--mut:#5b6478;--line:#14213d;--shadow:#e8452c;--track:#e5dcc4;--field:#f7f0df;--acc:#e8452c;--accink:#fffaf0;--grid:rgba(20,33,61,.07)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0d1326;--card:#151e38;--ink:#f2ead8;--mut:#a9b2c9;--line:#e9e1cd;--shadow:#e8452c;--track:#243152;--field:#0f1830;--acc:#ff6b4a;--accink:#0d1326;--grid:rgba(242,234,216,.055)}}
:root[data-theme="dark"]{--bg:#0d1326;--card:#151e38;--ink:#f2ead8;--mut:#a9b2c9;--line:#e9e1cd;--shadow:#e8452c;--track:#243152;--field:#0f1830;--acc:#ff6b4a;--accink:#0d1326;--grid:rgba(242,234,216,.055)}
body{font-family:Figtree,system-ui,-apple-system,"Segoe UI",sans-serif;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px}
h1,h2,.logo{font-family:Fraunces,Georgia,serif;font-optical-sizing:auto}
h1{font-weight:800;letter-spacing:-.025em}
.logo{font-weight:800;font-size:27px;letter-spacing:-.03em}
.logo::after{content:"";display:inline-block;width:.55em;height:4px;background:var(--acc);margin-left:3px;border-radius:2px}
.n,.stat b,.zone b,input[type=number],input[type=text],select,code,.chip{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace}
.stat b,.zone b{font-weight:600}
.top{background:var(--card)}
.tape{background:var(--card)}
button.lock{box-shadow:3px 3px 0 var(--line)}
.grade{transform:rotate(-4deg);font-family:Fraunces,Georgia,serif}
.grade.stamp{animation:stamp .5s cubic-bezier(.2,1.5,.4,1)}
@keyframes stamp{0%{transform:scale(1.9) rotate(-16deg);opacity:0}60%{transform:scale(.9) rotate(-2deg);opacity:1}100%{transform:rotate(-4deg)}}
.hero{display:grid;gap:26px;align-items:center;margin:6px 0 30px}
@media (min-width:820px){.hero{grid-template-columns:1.1fr .9fr}}
.hero h1{font-size:clamp(40px,7vw,70px);line-height:1.02}
.hero h1 em{font-style:italic;color:var(--acc)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 0}
.btn{display:inline-block;text-decoration:none;font-weight:800;padding:12px 20px;border:2px solid var(--line);border-radius:12px;background:var(--acc);color:var(--accink);box-shadow:4px 4px 0 var(--line);transition:transform .1s,box-shadow .1s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--line)}
.btn.alt{background:var(--card);color:var(--ink)}
.stopsvg{width:100%;height:auto;background:var(--card);border:2px solid var(--line);border-radius:18px;box-shadow:6px 6px 0 var(--shadow)}
.stopsvg .px{stroke:var(--ink);stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:700;stroke-dashoffset:700;animation:draw 2.2s .3s ease-out forwards}
.stopsvg .stop{stroke:var(--acc);stroke-width:2.5;stroke-dasharray:7 6;animation:blink 2.4s 2.5s infinite}
.stopsvg .tag{fill:var(--acc)}
.stopsvg text{fill:var(--ink);font:600 11px "IBM Plex Mono",monospace}
.stopsvg .tagt{fill:var(--accink)}
.stopsvg .ent{fill:var(--card);stroke:var(--ink);stroke-width:2.5}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes blink{50%{opacity:.35}}
.why{display:grid;gap:12px;margin-bottom:8px}
@media (min-width:700px){.why{grid-template-columns:repeat(3,1fr)}}
.why>div{border-left:4px solid var(--acc);padding:2px 0 2px 12px}
.why b{font-family:Fraunces,Georgia,serif;font-size:19px}
.why p{margin:0;color:var(--mut);font-size:15px}
.sec{font-family:Fraunces,Georgia,serif;font-size:28px;margin:30px 0 12px}
.prose h2{font-size:22px;margin:22px 0 6px}
.prose h2:first-child{margin-top:0}
.prose p,.prose dd{max-width:68ch;color:var(--ink)}
.prose dt{font-weight:800;margin-top:14px}
.prose dd{margin:2px 0 0;color:var(--mut)}
.prose a{color:var(--acc)}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;z-index:99;background:var(--acc);color:var(--accink);padding:8px 12px;border-radius:8px}
.js .card{opacity:0;transform:translateY(8px);transition:opacity .28s ease-out,transform .28s ease-out,box-shadow .15s}
.js .card.in{opacity:1;transform:none}
.js .card.in.tc:hover{transform:translate(-2px,-2px)}
.js .modal .card{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important}.stopsvg .px{stroke-dashoffset:0}}

/* mobile header fix */
.menu summary{white-space:nowrap}
@media (max-width:640px){.bar{gap:8px 10px;padding:10px 14px}.logo{font-size:24px}.chips{margin-left:auto;gap:5px}.chip,button.chip{font-size:11px;padding:2px 7px;border-width:1.5px}.logo{font-size:22px}nav{order:3;flex:1 1 100%;justify-content:space-between;gap:2px}nav a,.menu summary{font-size:15px;padding:6px 10px}}
@media (max-width:360px){.chip#streak{display:none}}
.prose .tw{overflow-x:auto;margin:10px 0 14px}
.prose table{border-collapse:collapse;font-size:15px;min-width:100%}
.prose th,.prose td{border:1px solid var(--track);padding:7px 10px;text-align:left;vertical-align:top}
.prose th{background:var(--field);font-weight:800}
.prose td.num,.prose th.num{text-align:right;font-family:'IBM Plex Mono',monospace;white-space:nowrap}
.prose ul{max-width:68ch;padding-left:20px}
.prose li{margin:4px 0}
.prose .checked{border-left:4px solid var(--acc);background:var(--field);padding:10px 14px;border-radius:8px;max-width:68ch}
.prose .try{display:inline-block;margin:2px 0 10px;font-weight:800}
.prose pre.snip{background:var(--field);border:2px solid var(--track);border-radius:10px;padding:12px;overflow-x:auto;white-space:pre-wrap;word-break:break-all;font:500 13px/1.5 'IBM Plex Mono',monospace;max-width:68ch;margin:6px 0}
.prose pre.snip code{border:0;background:none;padding:0;box-shadow:none;font:inherit;border-radius:0;display:inline}