@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/newsreader-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/newsreader-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* Linen and thread. The cloth is a token so the strips follow the theme. */
:root{
  --bg:#f4eee3;--bg-2:#ebe2d2;--card:#fbf7ef;--ink:#231915;--ink-2:#54463f;--rule:#dccfbd;--rule-2:#8c7b6e;
  --accent:#9b1d16;--link:#8a1a13;--bar-bg:rgba(244,238,227,.9);
  --cloth:#fbf6ec;--hole:#c9bba6;--thread:#a3211a;--thread-2:#231a17;--mark:#1a5ea8;--mark-2:#b85d00;
  --on:#9b1d16;--on-ink:#fff8f0;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#141110;--bg-2:#1c1816;--card:#1f1a17;--ink:#f1e8dc;--ink-2:#cdbfae;--rule:#3a312b;--rule-2:#8a7a6c;
  --accent:#ff8a73;--link:#ffab96;--bar-bg:rgba(20,17,16,.88);
  --cloth:#221c18;--hole:#4d4239;--thread:#ff6f5c;--thread-2:#f1e6d4;--mark:#7cc0ff;--mark-2:#ffb45c;
  --on:#ff8a73;--on-ink:#1a0d0a;color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#141110;--bg-2:#1c1816;--card:#1f1a17;--ink:#f1e8dc;--ink-2:#cdbfae;--rule:#3a312b;--rule-2:#8a7a6c;
    --accent:#ff8a73;--link:#ffab96;--bar-bg:rgba(20,17,16,.88);
    --cloth:#221c18;--hole:#4d4239;--thread:#ff6f5c;--thread-2:#f1e6d4;--mark:#7cc0ff;--mark-2:#ffb45c;
    --on:#ff8a73;--on-ink:#1a0d0a;color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.1875rem/1.6 "Newsreader",Georgia,serif;font-optical-sizing:auto}
a{color:var(--link);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--mark);outline-offset:3px;border-radius:4px}
b,strong{font-weight:640}
.skip{position:absolute;left:-999px;top:0;background:var(--card);color:var(--ink);padding:.5rem .8rem;z-index:99}
.skip:focus{left:.5rem;top:.5rem}
section[id]{scroll-margin-top:3.25rem}

/* ---- top bar ---- */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:.9rem;height:2.75rem;padding:0 1rem;background:var(--bar-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);font-size:.9rem}
.topbar a{color:var(--ink);text-decoration:none}
.topbar .home{font-weight:600;white-space:nowrap}
.topnav{display:flex;gap:1rem;overflow-x:auto;scrollbar-width:none;min-width:0;flex:0 1 auto}
.topnav::-webkit-scrollbar{display:none}
.topnav a{white-space:nowrap;color:var(--ink-2)}
.topnav a:hover,.topnav a[aria-current="true"]{color:var(--ink);text-decoration:underline}
.spacer{flex:1 1 0}
.chip{border:1px solid var(--rule-2);border-radius:99px;padding:.1rem .6rem;font-size:.82rem;white-space:nowrap}
.icon-btn{display:inline-grid;place-items:center;width:2.75rem;height:2.75rem;margin-right:-.6rem;background:none;border:0;color:var(--ink);cursor:pointer;border-radius:50%}
.icon-btn svg[hidden]{display:none}
@media (max-width:760px){.topnav{display:none}.topbar{gap:.6rem}}

/* ---- rail ---- */
.rail{position:fixed;right:.9rem;top:50%;transform:translateY(-50%);z-index:30;display:flex;flex-direction:column;gap:.55rem}
.rail a{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;text-decoration:none;color:var(--ink-2);font-size:.8rem;min-height:24px}
.rail a span{opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s;background:var(--card);color:var(--ink);padding:.1rem .5rem;border-radius:4px;white-space:nowrap;border:1px solid var(--rule)}
.rail a:hover span,.rail a:focus-visible span{opacity:1;transform:none}
.rail i{width:8px;height:8px;border-radius:50%;border:1.5px solid var(--ink-2);flex:none;transition:background .2s,transform .2s}
.rail a[aria-current="true"] i{background:var(--accent);border-color:var(--accent);transform:scale(1.35)}
@media (max-width:1100px){.rail{display:none}}

/* ---- layout ---- */
main{padding:0 16px}
.wrap{max-width:68rem;margin:0 auto}
.prose{max-width:40rem}
.prose p{margin:0 0 1.05rem}
section.block{padding:3.2rem 0 1rem;border-top:1px solid var(--rule)}
section.block:first-of-type{border-top:0}
h1,h2,h3{font-weight:500;line-height:1.14;letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3.4vw,2.2rem);margin:0 0 1rem}
h2 a{color:inherit;text-decoration:none}
h2 a:hover::after{content:" #";color:var(--accent);font-size:.6em}
h3{font-size:1.3rem;margin:1.6rem 0 .5rem}
.kicker{font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 .4rem;font-weight:600}
.small{font-size:.95rem;color:var(--ink-2)}

/* ---- hero: headline beside the loom ---- */
.hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2.5rem;align-items:start;padding:2.2rem 0 1rem}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.7rem);margin:0 0 .8rem;max-width:15ch}
.deck{font-size:1.2rem;color:var(--ink-2);max-width:32rem;margin:0 0 1rem}
@media (max-width:820px){.hero{grid-template-columns:1fr;gap:1.2rem;padding-top:1.3rem}.hero h1{font-size:clamp(1.85rem,8.4vw,2.6rem)}.deck{font-size:1.08rem}}

.loom-box{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:14px;width:354px;max-width:100%;margin:0}
.preset-note{margin:.5rem 0 0}
canvas{max-width:100%}
.loom-box figcaption{font-size:.9rem;color:var(--ink-2);margin:0 0 .5rem}
.loom{display:grid;grid-template-columns:repeat(var(--cols,7),46px);gap:0;touch-action:none;background:var(--cloth);border:1px solid var(--hole);user-select:none;-webkit-user-select:none}
.cell{width:46px;height:46px;border:0;border-right:1px solid var(--hole);border-bottom:1px solid var(--hole);background:transparent;padding:0;cursor:pointer;position:relative}
.cell:nth-child(7n){border-right:0}
.cell:nth-last-child(-n+7){border-bottom:0}
.cell[aria-pressed="true"]::before,.cell[aria-pressed="true"]::after{content:"";position:absolute;left:50%;top:50%;width:78%;height:5px;border-radius:3px;background:var(--thread);transform:translate(-50%,-50%) rotate(45deg)}
.cell[aria-pressed="true"]::after{transform:translate(-50%,-50%) rotate(-45deg)}
.cell:focus-visible{outline:3px solid var(--mark);outline-offset:-3px;border-radius:0;z-index:1}
@media (max-width:380px){.loom{grid-template-columns:repeat(var(--cols,7),44px)}.cell{width:44px;height:44px}.loom-box{padding:10px;width:330px}}
.tools{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.7rem;max-width:23rem}
.btn,.pill{font:inherit;font-size:.95rem;min-height:44px;padding:.35rem .9rem;border-radius:99px;border:1px solid var(--rule-2);background:var(--card);color:var(--ink);cursor:pointer}
.btn:hover,.pill:hover{border-color:var(--ink)}
.btn[aria-pressed="true"]{background:var(--on);color:var(--on-ink);border-color:var(--on)}
.btn.primary{background:var(--accent);color:var(--on-ink);border-color:var(--accent)}
.presets{display:flex;flex-wrap:wrap;gap:.4rem;margin:.6rem 0 0;max-width:23rem}
.pill{font-size:.88rem}

/* ---- the seven ways ---- */
.ways{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(15.5rem,1fr));gap:.7rem}
.way{display:flex;flex-direction:column;gap:.35rem;width:100%;text-align:left;font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:.6rem .7rem .7rem;cursor:pointer;min-height:44px}
.way:hover{border-color:var(--rule-2)}
.way[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset}
.way-h{display:flex;justify-content:space-between;gap:.5rem;align-items:baseline;font-size:.98rem}
.nick{font-size:.82rem;color:var(--ink-2);font-family:"Plex Mono",ui-monospace,Menlo,monospace}
.way-cv{display:block;width:100%;border-radius:5px;overflow:hidden}
.way-cv canvas,.band-cv canvas,.eighth-cv canvas{display:block}
.jump{font-size:.86rem;color:var(--accent)}
.band-wrap{margin:1.6rem 0 0;display:grid;grid-template-columns:minmax(0,1fr);gap:.7rem;scroll-margin-top:3.5rem}
.band-cv{width:100%;border-radius:8px;overflow:hidden;border:1px solid var(--rule)}
.band-out{font-size:1.05rem;margin:0;min-height:3.2em}
.band-out .iuc{font-size:.85rem;color:var(--ink-2);font-family:ui-monospace,Menlo,monospace}
.band-out .jumped{color:var(--accent)}
.band-tools{display:flex;flex-wrap:wrap;gap:.45rem}
.legend{display:flex;flex-wrap:wrap;gap:.3rem 1.1rem;font-size:.88rem;color:var(--ink-2);margin:0;padding:0;list-style:none}
.legend i{display:inline-block;vertical-align:middle;margin-right:.35rem}
.lg-v{width:0;height:14px;border-left:2px dashed var(--mark)}
.lg-h{width:18px;height:0;border-top:2px solid var(--mark-2)}
.lg-g{width:18px;height:0;border-top:2px dotted var(--mark-2)}
.lg-r{width:8px;height:12px;border-radius:50%;background:var(--mark-2)}

/* ---- the eighth ---- */
.eighth{background:var(--bg-2);border-radius:12px;padding:1rem;margin-top:1rem}
.slots{display:flex;gap:.35rem;flex-wrap:wrap}
.slots[hidden]{display:none}
.slot{width:52px;height:52px;padding:3px;border:1px solid var(--rule-2);border-radius:8px;background:var(--card);cursor:pointer}
.slot canvas{display:block;width:44px;height:44px}
.eighth-row{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;margin:.7rem 0}
.eighth-cv{width:100%;border-radius:8px;overflow:hidden;border:1px solid var(--rule);margin-top:.6rem}
.eighth-out{margin:.6rem 0 0;font-size:1.05rem;min-height:1.6em}
.found{display:flex;flex-wrap:wrap;gap:.35rem;list-style:none;padding:0;margin:.8rem 0 0}
.found li{font-size:.84rem;padding:.2rem .6rem;border-radius:99px;border:1px dashed var(--rule-2);color:var(--ink-2)}
.found li.on{border-style:solid;border-color:var(--accent);color:var(--ink);background:var(--card)}
.found-n{font-size:.95rem;margin:.6rem 0 0;color:var(--ink-2)}

/* ---- the proof ---- */
.moves{display:flex;flex-wrap:wrap;gap:.45rem;margin:.8rem 0}
.proof-out{font-size:1.08rem;min-height:3em;background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:.8rem 1rem;max-width:40rem}
.proof-out .forced{color:var(--accent)}
table.seven{border-collapse:collapse;font-size:.95rem;margin:1rem 0;width:100%;max-width:46rem}
table.seven th,table.seven td{text-align:left;border-bottom:1px solid var(--rule);padding:.4rem .5rem;vertical-align:top}
table.seven th{font-weight:600;color:var(--ink-2);font-size:.85rem}
table.seven td.o{font-family:ui-monospace,Menlo,monospace;white-space:nowrap}
.table-scroll{overflow-x:auto}

/* ---- the sleeve ---- */
.sleeve-grid{display:grid;grid-template-columns:minmax(0,26rem) minmax(0,1fr);gap:2rem;align-items:start}
@media (max-width:820px){.sleeve-grid{grid-template-columns:1fr}}
.sleeve-box{position:relative;max-width:26rem}
.sleeve-box canvas{display:block;width:100%}
.parts{list-style:none;padding:0;margin:.8rem 0 0;font-size:.98rem}
.parts li{margin:0 0 .5rem}
.parts b{color:var(--accent)}

/* ---- gallery ---- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(17rem,1fr));gap:1.2rem;margin-top:1rem}
.gallery figure{margin:0}
.gallery img{display:block;width:100%;height:auto;border-radius:8px;background:var(--bg-2)}
.gallery figcaption{font-size:.9rem;color:var(--ink-2);margin-top:.4rem}
.gallery figcaption b{color:var(--ink)}
.credit{font-size:.78rem;color:var(--ink-2);display:block;margin-top:.2rem}

/* ---- make-and-send ---- */
.send{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:1rem 0}
.share-out{font-size:.92rem;color:var(--ink-2);word-break:break-all}
.class-list{max-width:40rem;padding-left:1.2rem}
.class-list li{margin:0 0 .5rem}

/* ---- sources, footer ---- */
.method{max-width:44rem;color:var(--ink-2);font-size:1.02rem}
.srcs{padding-left:1.1rem;max-width:52rem;font-size:.95rem;color:var(--ink-2)}
.srcs li{margin:0 0 .45rem}
.srcs a{word-break:break-word}
.related{max-width:44rem}
.foot{color:var(--ink-2);padding:1.5rem 16px 3rem;border-top:1px solid var(--rule);font-size:.92rem;max-width:68rem;margin:3rem auto 0}
body.nf main{max-width:40rem;margin:4rem auto;padding:0 16px}

/* Without the script, the seven families are still shown as the table and the gallery. */
html:not(.js) .needs-js{display:none}
.nojs-only{display:none}
html:not(.js) .nojs-only{display:block}
.btn.forced{border-style:dashed;border-color:var(--accent);color:var(--accent)}
.ribbon{margin:1rem 0 0}
.ribbon .band-cv{border-radius:8px}
.ribbon-out{font-size:.98rem;color:var(--ink-2);margin:.45rem 0 0}
.ribbon .band-cv,.band-wrap .band-cv{-webkit-mask-image:linear-gradient(to right,#000 88%,transparent);mask-image:linear-gradient(to right,#000 88%,transparent)}
.loom-box figcaption .how{display:block;color:var(--ink-2);font-size:.86rem;margin-top:.15rem}
@media (max-width:820px){.kicker{margin-bottom:.2rem}.deck{margin-bottom:.6rem}}
/* 320 px and 400% zoom: 7 cells of 42 px, thin gutter and padding (the 44 px target yields 2 px here, noted in qa) */
@media (max-width:340px){main{padding:0 8px}.loom-box{padding:4px;width:auto}.loom{grid-template-columns:repeat(var(--cols,7),42px)}.cell{width:42px;height:42px}.topbar{padding:0 8px}}