/* Sitemap XML builder STM-21. Instrument Sheet chassis, accent #7E5E4E (clay). */
:root{
  --paper:#EDE9E2;
  --ink:#1E1D1B;
  --panel:#DEDACF;
  --line:#B7B0A2;
  --chassis:#2A2924;
  --accent:#7E5E4E;
  --on-accent:#EDE9E2;              /* paper on clay is 4.7:1, ink on clay is 2.9:1, so type on the slab is paper */
  --on-accent-dim:rgba(237,233,226,.55);
  --on-accent-faint:rgba(237,233,226,.16);
  --font-ui:"Familjen Grotesk",system-ui,sans-serif;
  --font-spec:"Martian Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);
}
@media (prefers-color-scheme:dark){
  :root{--paper:#1E1D1B;--ink:#EDE9E2;--panel:#2A2924;--line:#4A473F;--chassis:#111}
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-ui);font-size:1rem;line-height:1.55;overflow-x:hidden}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,p,dl,dd,ol,ul,figure,pre,fieldset{margin:0}
fieldset{padding:0;border:0;min-width:0}
legend{padding:0}
[hidden]{display:none!important}
code{font-family:var(--font-spec);font-size:.8em}

/* label strip */
.strip{max-width:1120px;margin:0 auto;padding:18px 32px 0;display:flex;justify-content:space-between;align-items:baseline;font-family:var(--font-spec);font-size:.75rem;font-weight:500;letter-spacing:.02em;border-bottom:1px solid var(--line)}
.strip-maker{text-decoration:none;padding-bottom:12px}
.strip-maker:hover{text-decoration:underline;text-underline-offset:3px}
.strip-code{padding-bottom:12px}

/* page */
.wrap{max-width:1120px;margin:0 auto;padding:40px 32px 0}
.title{font-size:4.5rem;font-weight:600;line-height:1;letter-spacing:-.01em;margin-bottom:16px}
.lede{font-size:1.125rem;max-width:58ch;margin-bottom:24px}
.subhead{font-size:1.375rem;font-weight:500;line-height:1.25;margin-bottom:6px}
.section-head{font-size:2rem;font-weight:600;line-height:1.1;margin:40px 0 14px}

/* mode switch */
.mode{display:inline-flex;border:1px solid var(--ink);margin-bottom:16px}
.tab{padding:10px 18px;border:0;background:var(--paper);color:var(--ink);font-weight:500;cursor:pointer;border-radius:0}
.tab+.tab{border-left:1px solid var(--ink)}
.tab.is-on{background:var(--ink);color:var(--paper)}
.tab:focus-visible{outline-offset:-3px}

/* the clay slab: the one accent shape, and the hero */
.hero{position:relative;background:var(--accent);color:var(--on-accent);padding:32px 36px 30px}
.hero::before,.hero::after,.hero>.ticks::before,.hero>.ticks::after{content:"";position:absolute;width:14px;height:14px;border:0 solid var(--on-accent);pointer-events:none;z-index:2}
.hero::before{top:0;left:0;border-top-width:1px;border-left-width:1px}
.hero::after{top:0;right:0;border-top-width:1px;border-right-width:1px}
.hero>.ticks::before{bottom:0;left:0;border-bottom-width:1px;border-left-width:1px}
.hero>.ticks::after{bottom:0;right:0;border-bottom-width:1px;border-right-width:1px}
.hero-grid{display:grid;grid-template-columns:minmax(260px,5fr) minmax(0,7fr);gap:24px 40px;align-items:stretch}

/* the paper sheet on the slab */
.sheet{min-width:0;display:flex;flex-direction:column}
.sheet-label{display:block;font-weight:500;margin-bottom:8px;line-height:1.3}
.sheet-label-root{margin-top:14px}
.paper-sheet,.paper-input{display:block;width:100%;border:1px solid var(--on-accent);background:var(--paper);color:var(--ink);padding:12px 14px;border-radius:0;font-family:var(--font-spec);font-size:.8125rem;font-weight:500;line-height:1.5}
.paper-sheet{resize:vertical;min-height:200px;white-space:pre;overflow:auto;flex:1 1 auto}
.paper-sheet:focus-visible,.paper-input:focus-visible{outline:2px solid var(--on-accent);outline-offset:2px}
.paper-sheet::placeholder,.paper-input::placeholder{color:var(--ink);opacity:.45}
.sheet-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* the cabinet: the count and the tree */
.cabinet{min-width:0}
.readout{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:-6px 0 14px}
.readout-num{font-size:5.5rem;font-weight:600;line-height:.9;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.readout-label{font-size:1.375rem;font-weight:500}

.forest{display:flex;flex-direction:column;gap:22px}
.tree{min-width:0}
.tree.is-out{opacity:.55}
.root{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding-bottom:6px;border-bottom:1px solid var(--on-accent-dim);margin-bottom:6px}
.root-host{font-size:1.5rem;font-weight:600;line-height:1.15;overflow-wrap:anywhere}
.root-n{font-size:1rem;opacity:.8}
.root-tag{font-size:.9375rem;opacity:.8}
.root.is-page .root-host::after{content:"";display:inline-block;width:8px;height:8px;background:var(--on-accent);margin-left:8px;vertical-align:middle}

/* the tree itself: rules are the spines of real branches, no glyphs */
.branches{list-style:none;margin:0;padding:0;columns:170px 3;column-gap:28px}
.branches:empty{display:none}
.branches>li{break-inside:avoid;-webkit-column-break-inside:avoid;padding-bottom:4px}
.tree ul{list-style:none;margin:0;padding:0}
.tree ul ul{padding-left:14px}
.tree li{position:relative;padding-left:0}
.tree ul ul>li{padding-left:14px}
.tree ul ul>li::before{content:"";position:absolute;left:0;top:.78em;width:10px;border-top:1px solid var(--on-accent-dim)}
.tree ul ul>li::after{content:"";position:absolute;left:0;top:0;bottom:0;border-left:1px solid var(--on-accent-dim)}
.tree ul ul>li:last-child::after{bottom:auto;height:.8em}
.node{display:inline-flex;align-items:baseline;gap:7px;max-width:100%;line-height:1.3;padding:1px 0;font-size:.9375rem}
.node .lbl{font-weight:500;overflow-wrap:anywhere;min-width:0}
.node.is-page .lbl{font-weight:400}
.node.is-page .lbl::before{content:"";display:inline-block;width:6px;height:6px;background:var(--on-accent);margin-right:7px;vertical-align:middle;position:relative;top:-1px}
.node.is-dir .lbl::after{content:"/"}
.node .n{font-size:.8125rem;opacity:.7;white-space:nowrap}
.node.is-more .lbl{font-style:italic;opacity:.8}
.is-new{animation:file .24s var(--ease) both;animation-delay:calc(var(--i,0) * 18ms)}
@keyframes file{0%{transform:translateX(-12px);opacity:0}70%{transform:translateX(2px);opacity:1}100%{transform:none;opacity:1}}
.readout-num.is-tick{animation:tick .2s var(--ease)}
@keyframes tick{from{transform:translateY(-.06em)}to{transform:none}}

/* the ghost tree in the empty state */
.tree.is-ghost{opacity:.42}
.tree.is-ghost .node .lbl{border-bottom:1px dashed var(--on-accent-dim)}

.flags{margin-top:18px;font-size:.9375rem;max-width:60ch;line-height:1.5}
.flag-actions{margin-top:10px;display:flex;flex-wrap:wrap;gap:10px}

/* buttons */
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.btn{position:relative;display:inline-block;padding:12px 18px;border:1px solid var(--ink);background:var(--paper);color:var(--ink);font-weight:500;line-height:1.2;cursor:pointer;border-radius:0;text-decoration:none;text-align:center}
.btn:hover{background:var(--panel)}
.btn:disabled{opacity:.45;cursor:default}
.btn.is-done{background:var(--ink);color:var(--paper)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:var(--accent)}
.btn-primary.is-done{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn-primary .ticks{position:absolute;inset:0;pointer-events:none}
.btn-primary::before,.btn-primary::after,.btn-primary .ticks::before,.btn-primary .ticks::after{content:"";position:absolute;width:14px;height:14px;border:0 solid var(--accent);opacity:0;pointer-events:none}
.btn-primary::before{top:-6px;left:-6px;border-top-width:1px;border-left-width:1px}
.btn-primary::after{top:-6px;right:-6px;border-top-width:1px;border-right-width:1px}
.btn-primary .ticks::before{bottom:-6px;left:-6px;border-bottom-width:1px;border-left-width:1px}
.btn-primary .ticks::after{bottom:-6px;right:-6px;border-bottom-width:1px;border-right-width:1px}
.btn-primary:hover::before,.btn-primary:hover::after,.btn-primary:hover .ticks::before,.btn-primary:hover .ticks::after,
.btn-primary:focus-visible::before,.btn-primary:focus-visible::after,.btn-primary:focus-visible .ticks::before,.btn-primary:focus-visible .ticks::after{opacity:1}
.btn-primary:focus-visible{outline-offset:4px}
/* inside the clay everything is paper-outlined */
.btn-inv{background:transparent;border-color:var(--on-accent);color:var(--on-accent)}
.btn-inv:hover{background:var(--on-accent-faint)}
.btn-inv:focus-visible{outline-color:var(--on-accent)}
.btn-inv.is-done{background:var(--on-accent);color:var(--accent)}
.btn-small{padding:6px 10px;font-size:.9375rem}

/* reading line */
.reading{font-family:var(--font-spec);font-size:.75rem;font-weight:500;letter-spacing:.02em;white-space:pre-wrap;margin:12px 0 0}

/* panels */
.panel{position:relative;border:1px solid var(--line);background:var(--panel);padding:24px 32px 28px}
.controls{margin-top:24px}
.opts{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:28px 32px}
.field{grid-column:span 4;min-width:0}
.field-wide{grid-column:span 4}
.field legend{display:block;font-weight:500;margin-bottom:10px;font-size:1.0625rem}
.field-note{font-size:.9375rem;margin-bottom:12px;max-width:40ch}
.checks{display:flex;flex-direction:column;gap:6px}
.field .check{display:flex;align-items:center;gap:10px;margin:0;font-weight:400;cursor:pointer;line-height:1.3}
.check input{width:18px;height:18px;margin:0;flex:0 0 auto;accent-color:var(--accent);cursor:pointer}
.check input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sel-label{display:block;font-weight:500;margin:14px 0 6px}
.field legend+.sel-label{margin-top:0}
.sel{display:block;width:100%;max-width:320px;padding:9px 12px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:0;font-weight:400}
.sel.date{margin-top:8px}
.sel:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.field-wide .btn{margin-top:4px}

/* overrides */
.overrides{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}
.ovr{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:10px 0 12px;border-top:1px solid var(--line)}
.ovr:last-child{border-bottom:1px solid var(--line)}
.ovr-url{grid-column:1 / -1;font-family:var(--font-spec);font-size:.75rem;font-weight:500;padding:8px 10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:0;width:100%;min-width:0}
.ovr-url:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.ovr-row{display:flex;flex-wrap:wrap;gap:8px;grid-column:1 / -1}
.ovr-row .sel{max-width:none;width:auto;flex:1 1 90px;padding:7px 10px;font-size:.9375rem}
.ovr-row .btn{flex:0 0 auto}
.ovr.is-miss .ovr-url{border-color:var(--accent)}
.ovr-state{grid-column:1 / -1;font-size:.875rem;opacity:.85}

/* output */
.output{margin-top:24px}
.output-head{margin-bottom:14px}
.output-note{font-size:.9375rem;max-width:60ch}
.fileplan{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--ink);margin-bottom:14px;width:max-content;max-width:100%}
.fileplan:empty{display:none}
.file{padding:8px 14px;border:0;background:var(--paper);color:var(--ink);font-weight:500;cursor:pointer;border-radius:0;display:flex;flex-direction:column;align-items:flex-start;gap:2px;line-height:1.2}
.file+.file{border-left:1px solid var(--ink)}
.file.is-on{background:var(--ink);color:var(--paper)}
.file .file-meta{font-family:var(--font-spec);font-size:.6875rem;font-weight:500;opacity:.8}
.file:focus-visible{outline-offset:-3px}
.xml{font-family:var(--font-spec);font-size:.75rem;font-weight:500;line-height:1.55;background:var(--paper);border:1px solid var(--line);padding:16px 18px;max-height:420px;overflow:auto;white-space:pre;margin-bottom:14px;min-height:120px;-moz-tab-size:2;tab-size:2}
.xml:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.downloads{display:contents}
.robots{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.robots-label{font-weight:500;margin-bottom:8px}
.robots-line{font-family:var(--font-spec);font-size:.75rem;font-weight:500;background:var(--paper);border:1px solid var(--line);padding:12px 16px;margin-bottom:12px;white-space:pre-wrap;overflow-wrap:anywhere}

/* read results */
.errors{list-style:none;padding:0;margin:0 0 14px}
.errors:empty{display:none}
.errors li{padding:8px 0;border-top:1px solid var(--line);font-size:.9375rem;max-width:70ch}
.errors li:last-child{border-bottom:1px solid var(--line)}
.errors li.is-ok{opacity:.85}
.errors li.is-bad::before{content:"";display:inline-block;width:8px;height:8px;background:var(--accent);margin-right:10px;vertical-align:middle;position:relative;top:-1px}

/* notes */
.notes{display:grid;grid-template-columns:repeat(12,minmax(0,1fr))}
.notes>*{grid-column:span 8}
.notes p{max-width:68ch;margin-bottom:14px}

.foot{max-width:1120px;margin:0 auto;padding:20px 32px 40px;font-size:.875rem;opacity:.8}
.foot p{max-width:70ch}

/* phones and narrow screens */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .readout{margin-top:6px}
  .notes>*{grid-column:span 12}
  .field,.field-wide{grid-column:span 6}
  .field-wide{grid-column:span 12}
}
@media (max-width:640px){
  .strip{padding:14px 16px 0}
  .wrap{padding:28px 16px 0}
  .title{font-size:2.75rem}
  .lede{font-size:1rem}
  .hero{padding:20px 16px 22px}
  .hero-grid{gap:20px}
  .paper-sheet{min-height:160px}
  .readout-num{font-size:3.5rem}
  .readout-label{font-size:1.125rem}
  .root-host{font-size:1.25rem}
  .branches{columns:1}
  .panel{padding:20px 16px 22px}
  .field,.field-wide{grid-column:span 12}
  .opts{gap:22px}
  .sel{max-width:none}
  .xml{max-height:320px;padding:12px}
  .section-head{font-size:1.625rem}
  .foot{padding:16px 16px 32px}
  .tab{padding:9px 12px;font-size:.9375rem}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}