@font-face{font-family:"Martian";src:url(/f/martianmono.woff2) format("woff2");font-weight:300 700;font-display:swap}
@font-face{font-family:"Karla";src:url(/f/karla.woff2) format("woff2");font-weight:400 700;font-display:swap}
:root{--shell:#D5DCCB;--shell2:#C6CFBA;--ink:#23261F;--soft:#4A5143;--screen:#1C1710;--amber:#FFB547;--amberdim:#D9A35A;--red:#FF8A6B;--key:#F4F5EF;--led:#2E6B3C;--tap:44px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--shell);color:var(--ink);font:400 1.0625rem/1.6 "Karla",system-ui,sans-serif}
h1,h2,h3{font-family:"Martian",monospace;font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
code,pre{font-family:"Martian",monospace}
code{font-size:.86em;overflow-wrap:anywhere}
a{color:var(--ink);text-underline-offset:.2em}
:focus-visible{outline:3px solid var(--led);outline-offset:3px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:.5rem;top:-5rem;background:var(--ink);color:var(--key);padding:.7rem 1rem;z-index:9}.skip:focus{top:.5rem}
.preview{margin:0;padding:.4rem 1rem;background:var(--ink);color:var(--key);font-size:.9375rem;text-align:center}
.top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:0 1.5rem;padding:.4rem clamp(1rem,4vw,3rem)}
.brand{display:inline-flex;align-items:center;min-height:var(--tap);font:500 1.35rem "Martian",monospace;text-decoration:none;letter-spacing:-.03em}
.brand b{font-weight:700;background:var(--screen);color:var(--amber);padding:0 .3rem;margin-left:.1rem}
.top nav{display:flex;flex-wrap:wrap;gap:0 1.25rem}.top nav a{display:inline-flex;align-items:center;min-height:var(--tap);text-decoration:none;font-weight:600}
.top nav a:hover{text-decoration:underline;text-decoration-thickness:2px}
main{padding:0 clamp(1rem,4vw,3rem)}
.hero{padding:clamp(1rem,3vw,2.5rem) 0 clamp(2rem,5vw,4rem)}
h1{font-size:clamp(1.65rem,1.1rem + 2.6vw,3.3rem);max-width:22ch;font-weight:700}
.lede{max-width:60ch;font-size:clamp(1.0625rem,1rem + .3vw,1.2rem);color:var(--soft)}
.rig{display:grid;gap:1rem;margin-top:1.5rem}
.crt{background:#2B2A24;border-radius:22px;padding:clamp(.7rem,2vw,1.4rem);box-shadow:inset 0 2px 0 #4a483f,0 10px 0 #9AA38E,0 14px 30px rgba(35,38,31,.25)}
.log{background:radial-gradient(ellipse at 50% 40%,#2A2216 0%,var(--screen) 75%);color:var(--amber);border-radius:14px;padding:1rem;height:clamp(20rem,52vh,30rem);overflow:auto;box-shadow:inset 0 0 40px rgba(0,0,0,.7)}
.log pre{margin:0 0 .35rem;font-size:clamp(.75rem,.66rem + .35vw,.92rem);line-height:1.5;white-space:pre;tab-size:8;text-shadow:0 0 6px rgba(255,181,71,.35)}
.log .in{color:#FFE2B0}.log .err{color:var(--red)}.log .note{color:var(--amberdim);font-style:italic;white-space:pre-wrap}
.crt form{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .6rem;margin-top:.6rem;padding:.35rem .6rem;background:var(--screen);border-radius:10px}
.crt form[hidden]{display:none}
.ps1{color:#FFE2B0;font:500 .9rem "Martian",monospace}
.crt input{flex:1 1 9rem;min-width:0;min-height:var(--tap);background:transparent;border:0;color:var(--amber);font:500 1rem "Martian",monospace;caret-color:var(--amber)}
.crt input:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.crt form button{min-height:var(--tap);padding:0 1rem;background:var(--amber);color:var(--screen);border:0;border-radius:6px;font:700 .95rem "Martian",monospace;cursor:pointer}
.crt form button:active{transform:translateY(1px)}
.slip{position:relative;background:#FBFBF7;padding:1.25rem 1.25rem 1.6rem;box-shadow:0 6px 16px rgba(35,38,31,.18);align-self:start}
.slip::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:10px;background:linear-gradient(-45deg,transparent 7px,#FBFBF7 0) 0 0/14px 10px,linear-gradient(45deg,transparent 7px,#FBFBF7 0) 0 0/14px 10px}
.slip-cmd{margin:0 0 .6rem;font-size:1.05rem}.slip-cmd code{background:var(--screen);color:var(--amber);padding:.15rem .45rem}
#slip-text{margin:0;font-size:1.0625rem}
.keys{margin-top:1.5rem}.keys p{margin:0 0 .5rem;font-weight:600}
.keys ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.keys button{min-height:48px;padding:.45rem .9rem;background:var(--key);color:var(--ink);border:1.5px solid #8E977F;border-bottom-width:5px;border-radius:9px;cursor:pointer}
.keys button:hover{background:#fff}.keys button:active{border-bottom-width:2px;transform:translateY(3px)}
.keys code{font-size:.92rem}
.why,.sheet-teaser,.pack{padding:clamp(2rem,5vw,3.5rem) 0;border-top:2px solid var(--shell2)}
.why h2,.sheet-teaser h2,.pack h2{font-size:clamp(1.4rem,1.1rem + 1.4vw,2.2rem)}
.cols{display:grid;gap:0 2.5rem}.cols p,.sheet-teaser p,.pack p{max-width:60ch}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.5rem 1.2rem;background:var(--led);color:#fff;font:600 .95rem "Martian",monospace;text-decoration:none;border-radius:8px;border:0}
.btn:hover{background:#245730}.btn:active{transform:translateY(1px)}
.pack{display:grid;gap:.25rem;max-width:44rem}
.price{font:700 1.4rem "Martian",monospace;margin:.25rem 0}
.buy{background:repeating-linear-gradient(135deg,#E7EBE1 0 10px,#DCE1D4 10px 20px);color:var(--ink);border:2px dashed #6B7461;cursor:not-allowed;width:100%;max-width:26rem}
.small{font-size:.9375rem;color:var(--soft)}
.foot{padding:2rem clamp(1rem,4vw,3rem) 2.5rem;background:var(--ink);color:#E6E9E0;font-size:.9375rem}
.foot p{margin:0 0 .5rem;max-width:60ch}.foot a{color:#E6E9E0}.run{font:600 1rem "Martian",monospace}
.foot ul{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:0 1.5rem}.foot li a{display:inline-flex;align-items:center;min-height:var(--tap)}
.cheat{padding-top:1.5rem;padding-bottom:3rem}.cheat h1{font-size:clamp(1.8rem,1.3rem + 2vw,2.8rem)}
.grid{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fill,minmax(min(100%,19rem),1fr));margin:1.5rem 0}
.grid section{background:#FBFBF7;padding:1rem 1.1rem;border-top:6px solid var(--screen)}
.grid h2{font-size:1.05rem}.grid dl{margin:0}.grid dt{margin-top:.6rem}.grid dt code{background:var(--screen);color:var(--amber);padding:.1rem .4rem;font-size:.85rem}.grid dd{margin:.2rem 0 0;font-size:.95rem}
.doc{max-width:46rem;padding-top:1.5rem;padding-bottom:3rem}.doc h1{font-size:2rem}
.review{position:fixed;right:1rem;bottom:1rem;max-width:22rem;max-height:60vh;overflow:auto;background:#fff;padding:1rem;border:3px solid var(--led);font-size:.875rem;z-index:20}
.reviewing [data-draft]{outline:2px dashed #B3261E;outline-offset:2px}
.rig{grid-template-columns:minmax(0,1fr)}.crt,.slip{min-width:0}
@media (min-width:64em){
  .rig.x{}
  .rig{grid-template-columns:minmax(0,2.1fr) minmax(16rem,1fr);gap:2rem;align-items:start}
  .slip{margin-top:2.5rem;transform:rotate(1.2deg)}
  .cols{grid-template-columns:1fr 1fr}
}
@media print{.preview,.top,.foot,.skip{display:none}body{background:#fff;font-size:11pt}.grid section{border:1px solid #000;break-inside:avoid}.grid dt code{background:none;color:#000;padding:0}.cheat .lede,.cheat .small{color:#000}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}