/* The shared chrome (tokens, reset, .wrap, .top header, .nav, footer) comes from /css/stack.css
   (uistack/site/css/stack.css), linked before this file. Worlds keeps its cat- token names as aliases of the
   shared tokens, so every cat- rule below reads the same values in light and dark. */
/* Worlds: neutral grey with the cat- prefix so the worlds carry the page.
   The chrome never reads a world's tokens; those live only on elements with data-world (stages). */
:root {
  --cat-ui: var(--ui); --cat-mono: var(--mono);
  --cat-bg: var(--bg); --cat-fg: var(--fg); --cat-fg2: var(--fg2); --cat-fg3: var(--fg3);
  --cat-line: var(--line); --cat-panel: var(--panel); --cat-panel2: var(--panel2); --cat-accent: var(--accent);
  --cat-radius: var(--radius); --cat-gutter: var(--gutter); --cat-max: var(--max);
}

/* Header: what Worlds adds to the shared header */
.brand { white-space: nowrap; }
@media (max-width: 760px) { .nav a { padding: 6px 8px; } }

body > footer { margin-top: 40px; }
body > footer a { color: var(--cat-fg2); text-decoration: underline; text-underline-offset: 2px; }

/* Shared bits */
.cat-hero { padding: 34px 0 18px; }
.cat-hero h1 { font-size: clamp(30px, 4vw, 46px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 12px; }
.cat-lede { color: var(--cat-fg2); font-size: 16.5px; max-width: 40em; margin: 0 0 14px; }
.cat-crumbs { font-size: 13px; color: var(--cat-fg3); margin: 20px 0 12px; }
.cat-crumbs a { color: var(--cat-fg2); }
.cat-section { margin-top: 44px; }
.cat-h2 { font: 600 11.5px/1 var(--cat-ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--cat-fg3); margin: 0 0 14px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.cat-h2 span { font-weight: 400; letter-spacing: 0; text-transform: none; }
.cat-panel { background: var(--cat-panel); border: 1px solid var(--cat-line); border-radius: var(--cat-radius); padding: 20px; min-width: 0; }
.cat-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 16px; }
.cat-badge { display: inline-flex; align-items: center; gap: 5px; font: 500 12px/1 var(--cat-ui); padding: 5px 9px; border-radius: 999px; background: var(--cat-panel2); color: var(--cat-fg2); white-space: nowrap; }
.cat-badge--sketch { background: transparent; border: 1px dashed var(--cat-fg3); color: var(--cat-fg2); }
.cat-badge--full { background: var(--cat-fg); color: var(--cat-bg); }
.cat-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border: 1px solid var(--cat-line); border-radius: 9px; background: var(--cat-panel); color: var(--cat-fg); font: 600 13px var(--cat-ui); cursor: pointer; white-space: nowrap; }
.cat-btn:hover { border-color: var(--cat-fg3); }
.cat-btn:focus-visible, .cat-chip:focus-visible, .nav a:focus-visible { outline: 2px solid var(--cat-accent); outline-offset: 2px; }
.cat-chip { padding: 5px 11px; border: 1px solid var(--cat-line); border-radius: 999px; background: var(--cat-panel); color: var(--cat-fg2); font: 500 12.5px/1.2 var(--cat-ui); cursor: pointer; white-space: nowrap; }
.cat-chip:hover { border-color: var(--cat-fg3); color: var(--cat-fg); }
.cat-chip[aria-pressed="true"] { background: var(--cat-fg); border-color: var(--cat-fg); color: var(--cat-bg); }
.cat-chip small { opacity: .6; margin-left: 4px; }
.cat-chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.cat-empty { padding: 60px 0; color: var(--cat-fg3); text-align: center; }
.cat-note { color: var(--cat-fg3); font-size: 13px; }
pre.cat-snippet { background: var(--cat-panel2); border: 1px solid var(--cat-line); border-radius: 10px; padding: 14px; font: 12px/1.6 var(--cat-mono); overflow: auto; margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 320px; }

/* Index: search, facets, tiles */
.cat-tools { display: flex; flex-direction: column; gap: 12px; padding: 4px 0 10px; }
.cat-search { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.cat-search input { flex: 1; min-width: 0; max-width: 520px; padding: 11px 14px; border: 1px solid var(--cat-line); border-radius: 10px; background: var(--cat-panel); color: var(--cat-fg); font: 15px var(--cat-ui); }
.cat-search input:focus { outline: 2px solid var(--cat-accent); outline-offset: -1px; }
.cat-count { color: var(--cat-fg3); font-size: 13px; font-variant-numeric: tabular-nums; }
.cat-facets { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-facets label { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--cat-fg3); }
.cat-facets select { padding: 6px 8px; border: 1px solid var(--cat-line); border-radius: 8px; background: var(--cat-panel); color: var(--cat-fg); font: 500 12.5px var(--cat-ui); max-width: 170px; }
.cat-group { padding: 22px 0 6px; border-top: 1px solid var(--cat-line); margin-top: 14px; }
.cat-group__head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.cat-group__head h2 { font-size: 19px; margin: 0; letter-spacing: -0.015em; }
.cat-group__head p { margin: 0; color: var(--cat-fg3); font-size: 13.5px; flex: 1; min-width: 220px; }
.cat-group__head a { font-size: 13px; color: var(--cat-accent); }
.cat-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: 16px; }
.cat-tile { min-width: 0; display: block; }
.cat-tile__stage { display: block; height: 230px; border: 1px solid var(--cat-line); border-radius: var(--cat-radius); overflow: hidden; transition: transform .15s ease, box-shadow .15s ease; }
.cat-tile:hover .cat-tile__stage { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,.12); }
.cat-tile__cap { display: flex; align-items: baseline; gap: 8px; padding: 9px 4px 0; flex-wrap: wrap; }
.cat-tile__cap b { font-size: 14.5px; font-weight: 600; }
.cat-tile__cap .cat-badge { margin-left: auto; }
.cat-tile__tag { margin: 3px 4px 0; color: var(--cat-fg3); font-size: 12.5px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* inside a tile stage: world tokens only */
.cat-mini { height: 100%; padding: 20px 20px 18px; display: flex; flex-direction: column; gap: 12px; }
.cat-mini__name { font-size: 30px; }
.cat-mini__row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: auto; }
.cat-mini .wp-field { max-width: 100%; }
.cat-skel { background: var(--cat-panel2); }

/* Batch: family tree */
.cat-tree { list-style: none; margin: 0; padding: 0; }
.cat-tree ul { list-style: none; margin: 4px 0 4px 18px; padding: 0 0 0 14px; border-left: 1px solid var(--cat-line); }
.cat-tree li { padding: 4px 0; }
.cat-tree a { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.cat-tree .cat-dot { width: 14px; height: 14px; border-radius: 4px; border: 1px solid var(--cat-line); display: inline-block; }

/* World page */
.cat-whero { border: 1px solid var(--cat-line); border-radius: var(--cat-radius); overflow: hidden; }
.cat-whero__in { padding: clamp(24px, 5vw, 56px) clamp(18px, 4vw, 48px); display: grid; gap: 16px; }
.cat-whero__in .wp-display { font-size: clamp(36px, 7vw, var(--t-display)); }
.cat-whero__row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cat-use { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; align-items: center; }
.cat-dossier { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 16px; }
.cat-dossier h3 { margin: 0 0 8px; font: 600 11px/1 var(--cat-ui); letter-spacing: .07em; text-transform: uppercase; color: var(--cat-fg3); }
.cat-dossier p { margin: 0 0 8px; font-size: 15.5px; line-height: 1.6; }
.cat-dossier ul { margin: 0; padding-left: 18px; font-size: 15px; line-height: 1.55; }
.cat-dossier .cat-wide { grid-column: 1 / -1; }
.cat-lex { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cat-lex span { display: inline-block; margin: 0 4px 4px 0; padding: 3px 8px; border-radius: 6px; background: var(--cat-panel2); font-size: 13.5px; }
.cat-lex .cat-avoid span { text-decoration: line-through; color: var(--cat-fg3); }
.cat-tokens { width: 100%; border-collapse: collapse; font-size: 13px; }
.cat-tokens th, .cat-tokens td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--cat-line); vertical-align: middle; }
.cat-tokens th { color: var(--cat-fg3); font-weight: 500; }
.cat-tokens td:first-child { font-family: var(--cat-mono); white-space: nowrap; }
.cat-tokens td.cat-v { font-family: var(--cat-mono); font-size: 12px; overflow-wrap: anywhere; max-width: 420px; }
.cat-tokens tr.cat-grp td { padding-top: 16px; font: 600 11px/1 var(--cat-ui); letter-spacing: .07em; text-transform: uppercase; color: var(--cat-fg3); font-family: var(--cat-ui); }
.cat-sw { display: inline-block; width: 18px; height: 18px; border-radius: 4px; border: 1px solid rgba(0,0,0,.12); vertical-align: middle; margin-right: 8px; }
.cat-mark { font-size: 12px; color: var(--cat-fg3); white-space: nowrap; }
.cat-mark--override { color: var(--cat-accent); }
.cat-mark--derived { font-style: italic; }
.cat-ok { color: #15803d; font-weight: 600; } .cat-bad { color: #b91c1c; font-weight: 600; } .cat-warnc { color: #a16207; font-weight: 600; }
.cat-stagebox { border: 1px solid var(--cat-line); border-radius: var(--cat-radius); overflow: hidden; }
.cat-cardwall { padding: 20px; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 18px; align-items: start; }
.cat-cardwall .cu-stage { width: 100% !important; max-width: 100%; }
.cat-cardwall .cu-stage > .cd { width: 100%; }
.cat-cardcap { font: 500 11.5px/1.3 var(--cat-ui); color: inherit; opacity: .6; margin-top: 6px; }
.cat-srcs { display: grid; gap: 16px; }
.cat-src__head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.cat-src__head b { font-size: 15px; }
.cat-src__head a { color: var(--cat-accent); font-size: 13px; }
.cat-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.cat-thumb { display: block; min-width: 0; font-size: 12px; color: var(--cat-fg2); }
.cat-thumb__pic { display: block; height: 72px; border-radius: 8px; border: 1px solid var(--cat-line); overflow: hidden; margin-bottom: 5px; background-repeat: repeat; }
.cat-thumb__pic--orn { display: grid; place-items: center; padding: 8px; }
.cat-thumb__pic--orn img { max-width: 100%; max-height: 100%; }
.cat-thumb__sw { display: flex; height: 72px; border-radius: 8px; overflow: hidden; border: 1px solid var(--cat-line); margin-bottom: 5px; }
.cat-thumb__sw span { flex: 1; }
.cat-thumb__txt { display: flex; flex-direction: column; justify-content: center; height: 72px; padding: 8px; border-radius: 8px; border: 1px solid var(--cat-line); margin-bottom: 5px; background: var(--cat-panel2); font-size: 12px; line-height: 1.3; }
.cat-thumb__txt b { font-size: 13px; }
.cat-thumb span.cat-tn { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Primitives sheet (inside a stage) */
.cat-sheet { padding: clamp(16px, 3vw, 32px); display: grid; gap: 28px; margin: 0 auto; }
.cat-prim { display: grid; gap: 12px; min-width: 0; }
.cat-prim__head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; font-family: var(--cat-ui); }
.cat-prim__head b { font: 600 11px/1 var(--cat-ui); letter-spacing: .08em; text-transform: uppercase; opacity: .65; }
.cat-prim__head small { font: 12px var(--cat-ui); opacity: .55; }
.cat-prim__head .cat-btn { margin-left: auto; padding: 4px 9px; font-size: 12px; }
.cat-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cat-states { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 14px 12px; align-items: end; }
.cat-state { display: grid; gap: 6px; justify-items: start; min-width: 0; }
.cat-state > small { font: 11px/1 var(--cat-ui); opacity: .55; }
.cat-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); gap: 16px; }
.cat-ctl { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; padding: 14px 0; font-size: 13.5px; color: var(--cat-fg2); }
.cat-ctl label { display: flex; align-items: center; gap: 8px; }
.cat-ctl input[type=range] { accent-color: var(--cat-fg); }

/* Guide */
.cat-guide { padding: 30px 0 60px; max-width: 760px; }
.cat-guide h1 { font-size: 40px; line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 8px; }
.cat-guide h2 { font-size: 24px; margin: 44px 0 10px; letter-spacing: -0.01em; }
.cat-guide p, .cat-guide li { font-size: 16.5px; line-height: 1.65; }
.cat-guide code { font: 13.5px var(--cat-mono); background: var(--cat-panel2); padding: 1px 5px; border-radius: 5px; }
.cat-guide pre { background: var(--cat-panel2); border: 1px solid var(--cat-line); border-radius: 10px; padding: 14px; overflow: auto; font: 13px/1.6 var(--cat-mono); }
.cat-guide pre code { background: none; padding: 0; }
.cat-guide table { border-collapse: collapse; width: 100%; font-size: 14.5px; margin: 10px 0; }
.cat-guide th, .cat-guide td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--cat-line); vertical-align: top; }
.cat-guide th { color: var(--cat-fg3); font-weight: 500; }
.cat-guide .cat-toc { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 4px 20px; }
.cat-guide .cat-toc a { color: var(--cat-fg2); }

/* cardui's renderer needs these two (copied from cardui site.css) */
.cu-stage { max-width: 100%; margin: 0 auto; }
.cu-stage > .cd { width: 100%; }
.cu-skel { display: inline-block; vertical-align: middle; width: var(--w, 60%); max-width: 100%; height: 0.78em; border-radius: 4px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--pfg) 8%, transparent) 0%, color-mix(in srgb, var(--pfg) 15%, transparent) 50%, color-mix(in srgb, var(--pfg) 8%, transparent) 100%) 0 0 / 200% 100%;
  animation: cu-shimmer 1.4s ease-in-out infinite; }
.cu-skel--media { display: block; width: 100%; height: 100%; border-radius: 0; min-height: 40px; }
.cu-skel--round { display: block; border-radius: 50%; flex: none; }
@keyframes cu-shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }
@media (prefers-reduced-motion: reduce) { .cu-skel { animation: none; } }

/* Typeahead and small inputs (chrome) */
.cat-ta-wrap { position: relative; }
.cat-ta { position: absolute; z-index: 40; left: 0; right: 0; top: calc(100% + 4px); background: var(--cat-panel); border: 1px solid var(--cat-line); border-radius: 10px; box-shadow: 0 12px 32px rgba(0,0,0,.16); max-height: 340px; overflow: auto; padding: 4px; }
.cat-ta__opt { display: flex; align-items: center; gap: 8px; width: 100%; min-width: 0; text-align: left; padding: 7px 9px; border: 0; border-radius: 7px; background: none; color: var(--cat-fg); font: 13px/1.3 var(--cat-ui); cursor: pointer; }
.cat-ta__opt:hover, .cat-ta__opt.is-act { background: var(--cat-panel2); }
.cat-ta__opt b { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat-ta__opt small { color: var(--cat-fg3); margin-left: auto; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.cat-ta__none { padding: 8px 10px; color: var(--cat-fg3); font-size: 13px; }
.cat-input, .cat-sel { width: 100%; min-width: 0; padding: 7px 9px; border: 1px solid var(--cat-line); border-radius: 8px; background: var(--cat-panel); color: var(--cat-fg); font: 13.5px/1.3 var(--cat-ui); }
textarea.cat-input { resize: vertical; min-height: 60px; line-height: 1.45; }
.cat-input:focus, .cat-sel:focus { outline: 2px solid var(--cat-accent); outline-offset: -1px; }
.cat-swrow { display: inline-flex; flex: none; border-radius: 4px; overflow: hidden; border: 1px solid rgba(0,0,0,.14); }
.cat-swrow span { width: 14px; height: 16px; }

/* Compare */
.cat-cmp-pick { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cat-cmp-pick .cat-panel { padding: 14px 16px; display: grid; gap: 8px; }
.cat-cmp-pick__head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; color: var(--cat-fg3); }
.cat-cmp-pick__head a { color: var(--cat-accent); }
.cat-cmp-pick__head .cat-btn { margin-left: auto; padding: 4px 9px; font-size: 12px; }
.cat-cmp { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
.cat-cmp__col { min-width: 0; overflow-x: auto; border: 1px solid var(--cat-line); border-radius: var(--cat-radius); }
.cat-cmp__stage { margin: 0 auto; min-width: 0; }
.cat-cmp__stage .cat-cardwall { grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); padding: 0 clamp(16px, 3vw, 32px) 32px; }
.cat-diff { margin: 16px 0; }
.cat-diff summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.cat-diff summary span { font-weight: 400; color: var(--cat-fg3); margin-left: 6px; }
.cat-diff__groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr)); gap: 12px 20px; margin-top: 12px; }
.cat-diff__g h3 { margin: 0 0 4px; font: 600 11px/1 var(--cat-ui); letter-spacing: .07em; text-transform: uppercase; color: var(--cat-fg3); }
.cat-diff table { width: 100%; border-collapse: collapse; font-size: 12px; table-layout: fixed; }
.cat-diff td { padding: 4px 6px 4px 0; border-bottom: 1px solid var(--cat-line); vertical-align: top; font-family: var(--cat-mono); overflow-wrap: anywhere; }
.cat-diff td:first-child { width: 30%; color: var(--cat-fg2); }
.cat-diff .cat-sw { width: 12px; height: 12px; margin-right: 5px; border-radius: 3px; }
@media (max-width: 760px) { .cat-cmp, .cat-cmp-pick { grid-template-columns: 1fr; } }

/* Studio */
.cat-studio { display: grid; grid-template-columns: minmax(300px, 380px) minmax(0, 1fr); gap: 20px; align-items: start; padding-top: 14px; }
.cat-ctrls { position: sticky; top: 62px; max-height: calc(100vh - 70px); overflow-y: auto; overscroll-behavior: contain; display: grid; gap: 10px; padding: 0 4px 30px 0; }
.cat-actions { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 0; background: var(--cat-bg); }
.cat-actions .cat-btn { padding: 6px 10px; font-size: 12.5px; }
.cat-actions .cat-btn--main { background: var(--cat-fg); color: var(--cat-bg); border-color: var(--cat-fg); }
.cat-grp2 { background: var(--cat-panel); border: 1px solid var(--cat-line); border-radius: 12px; padding: 12px 14px; display: grid; gap: 8px; min-width: 0; }
.cat-grp2 > h3 { margin: 0; font: 600 11px/1.2 var(--cat-ui); letter-spacing: .07em; text-transform: uppercase; color: var(--cat-fg3); display: flex; gap: 8px; align-items: baseline; }
.cat-grp2 > h3 span { font-weight: 400; letter-spacing: 0; text-transform: none; }
.cat-f { display: grid; gap: 4px; font-size: 12.5px; color: var(--cat-fg2); min-width: 0; }
.cat-f > span { display: flex; gap: 6px; align-items: baseline; }
.cat-f > span em { font-style: normal; color: var(--cat-fg3); font-size: 11.5px; }
.cat-f.is-need > span::after { content: "needed for this tier"; margin-left: auto; font-size: 11px; color: var(--cat-accent); }
.cat-f.is-need.is-done > span::after { content: "done"; color: var(--cat-fg3); }
.cat-f2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.cat-f5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.cat-f5 .cat-input { padding: 6px; text-align: center; font-variant-numeric: tabular-nums; }
.cat-radios { display: flex; flex-wrap: wrap; gap: 4px; }
.cat-radios label { position: relative; }
.cat-radios input { position: absolute; opacity: 0; pointer-events: none; }
.cat-radios span { display: inline-block; padding: 5px 10px; border: 1px solid var(--cat-line); border-radius: 999px; font: 500 12.5px/1.2 var(--cat-ui); color: var(--cat-fg2); cursor: pointer; background: var(--cat-panel); }
.cat-radios input:checked + span { background: var(--cat-fg); color: var(--cat-bg); border-color: var(--cat-fg); }
.cat-radios input:focus-visible + span { outline: 2px solid var(--cat-accent); outline-offset: 2px; }
.cat-check { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--cat-fg2); }
.cat-tabs2 { display: flex; gap: 2px; border-bottom: 1px solid var(--cat-line); }
.cat-tabs2 button { padding: 6px 10px; border: 0; border-bottom: 2px solid transparent; background: none; font: 500 12.5px var(--cat-ui); color: var(--cat-fg3); cursor: pointer; }
.cat-tabs2 button[aria-selected="true"] { color: var(--cat-fg); border-bottom-color: var(--cat-fg); }
.cat-roles { display: flex; flex-wrap: wrap; gap: 4px; }
.cat-role { display: inline-flex; align-items: center; gap: 4px; font: 11px/1 var(--cat-mono); color: var(--cat-fg3); }
.cat-role i { width: 16px; height: 16px; border-radius: 4px; border: 1px solid rgba(0,0,0,.14); display: inline-block; }
.cat-sheets { display: grid; gap: 2px; max-height: 260px; overflow-y: auto; }
.cat-sheets button { display: flex; align-items: center; gap: 8px; padding: 4px 6px; border: 1px solid transparent; border-radius: 7px; background: none; color: var(--cat-fg2); font: 12.5px var(--cat-ui); cursor: pointer; text-align: left; }
.cat-sheets button:hover { background: var(--cat-panel2); }
.cat-sheets button[aria-pressed="true"] { border-color: var(--cat-fg); color: var(--cat-fg); }
.cat-hex { display: grid; grid-template-columns: 52px 28px minmax(0, 1fr) auto; gap: 6px; align-items: center; font-size: 12.5px; }
.cat-hex input[type=color] { width: 28px; height: 28px; padding: 0; border: 1px solid var(--cat-line); border-radius: 6px; background: none; }
.cat-hex .cat-input { font-family: var(--cat-mono); font-size: 12.5px; padding: 5px 7px; }
.cat-ratio { font: 600 11.5px var(--cat-mono); white-space: nowrap; }
.cat-ratios { display: grid; gap: 3px; font-size: 12px; }
.cat-ratios div { display: flex; gap: 8px; justify-content: space-between; }
.cat-chipin { display: flex; flex-wrap: wrap; gap: 4px; padding: 5px; border: 1px solid var(--cat-line); border-radius: 8px; background: var(--cat-panel); }
.cat-chipin span { display: inline-flex; align-items: center; gap: 4px; padding: 3px 4px 3px 8px; border-radius: 999px; background: var(--cat-panel2); font-size: 12.5px; }
.cat-chipin span button { border: 0; background: none; color: var(--cat-fg3); cursor: pointer; font-size: 13px; line-height: 1; padding: 0 3px; }
.cat-chipin input { flex: 1; min-width: 90px; border: 0; background: none; color: var(--cat-fg); font: 13px var(--cat-ui); padding: 3px; }
.cat-chipin input:focus { outline: none; }
.cat-kits { width: 100%; border-collapse: collapse; font-size: 12px; }
.cat-kits td { padding: 2px 4px 2px 0; }
.cat-kits td:first-child { color: var(--cat-fg2); white-space: nowrap; }
.cat-kits select { width: 100%; padding: 3px 5px; border: 1px solid var(--cat-line); border-radius: 6px; background: var(--cat-panel); color: var(--cat-fg); font: 12px var(--cat-ui); }
.cat-kitsoff { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 10px; }
.cat-check2 { font-size: 12.5px; display: grid; gap: 4px; }
.cat-check2 li { list-style: none; padding: 5px 8px; border-radius: 7px; background: var(--cat-panel2); }
.cat-check2 ul { margin: 0; padding: 0; display: grid; gap: 4px; }
.cat-check2 .cat-e::before { content: "Error"; font-weight: 700; color: #b91c1c; margin-right: 6px; }
.cat-check2 .cat-w::before { content: "Warning"; font-weight: 700; color: #a16207; margin-right: 6px; }
.cat-checkhead { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.cat-checkhead b { font-size: 14px; }
.cat-stagecol { min-width: 0; display: grid; gap: 14px; }
.cat-stagecol .cat-cardwall { padding: 0 clamp(16px, 3vw, 32px) 32px; }
.cat-overlay { position: fixed; inset: 0; z-index: 60; background: rgba(10,10,14,.5); display: grid; place-items: start center; padding: 40px 16px; overflow-y: auto; }
.cat-overlay[hidden] { display: none; }
.cat-dialog { width: min(1180px, 100%); background: var(--cat-bg); border: 1px solid var(--cat-line); border-radius: 16px; padding: 18px 20px 24px; box-shadow: 0 30px 80px rgba(0,0,0,.3); }
.cat-dialog--s { width: min(560px, 100%); }
.cat-dialog__head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.cat-dialog__head h2 { margin: 0; font-size: 19px; letter-spacing: -0.01em; }
.cat-dialog__head .cat-btn:last-child { margin-left: auto; }
.cat-mut { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr)); gap: 14px; }
.cat-mut__cell { display: grid; gap: 6px; cursor: pointer; text-align: left; border: 0; padding: 0; background: none; color: var(--cat-fg); font: inherit; }
.cat-mut__cell > div { border: 1px solid var(--cat-line); border-radius: 12px; overflow: hidden; pointer-events: none; }
.cat-mut__cell:hover > div, .cat-mut__cell:focus-visible > div { outline: 2px solid var(--cat-accent); outline-offset: 2px; }
.cat-mut__cell small { font: 500 12.5px var(--cat-ui); color: var(--cat-fg2); }
.cat-mut__stage .cat-mini { height: auto; padding: 16px; gap: 10px; }
.cat-mut__stage .cat-mini__name { font-size: 22px; }
.cat-mut__stage .cat-cardwall { padding: 0 16px 16px; grid-template-columns: 1fr; }
.cat-drafts { display: grid; gap: 6px; }
.cat-drafts div { display: flex; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--cat-line); border-radius: 10px; background: var(--cat-panel); }
.cat-drafts b { font-size: 14px; }
.cat-drafts small { color: var(--cat-fg3); }
.cat-drafts .cat-btn:first-of-type { margin-left: auto; }
.cat-files { display: grid; gap: 8px; }
.cat-files div { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 12px; border: 1px solid var(--cat-line); border-radius: 10px; background: var(--cat-panel); }
.cat-files code { font: 13px var(--cat-mono); }
.cat-files div > :nth-child(2) { margin-left: auto; }
@media (max-width: 900px) { .cat-studio { grid-template-columns: 1fr; } .cat-ctrls { position: static; max-height: none; overflow: visible; } }
.cat-studio [hidden] { display: none !important; }

/* Studio: the colour and type summary rows */
.cat-sum { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 8px; border: 1px solid var(--cat-line); border-radius: 10px; background: var(--cat-panel2); }
.cat-sum__sw { display: flex; border-radius: 7px; overflow: hidden; border: 1px solid rgba(0,0,0,.14); }
.cat-sum__sw span { width: 16px; height: 40px; }
.cat-sum__txt { display: grid; gap: 1px; font-size: 13px; min-width: 0; }
.cat-sum__txt b { font-weight: 600; }
.cat-sum__txt small { color: var(--cat-fg3); font-size: 11.5px; overflow-wrap: anywhere; }
.cat-sum__txt .cat-ok, .cat-sum__txt .cat-bad { font-size: 11.5px; }
.cat-sum__spec { display: grid; gap: 2px; max-width: 120px; min-width: 0; color: var(--cat-fg); }
.cat-sum__h { font-family: var(--h); font-weight: var(--hw); font-style: var(--hs); text-transform: var(--hcase); letter-spacing: var(--htrack); font-size: 19px; line-height: 1.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat-sum__b { font-family: var(--b); font-weight: var(--bw); font-size: 12px; color: var(--cat-fg2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* The pickers (SPEC 5.5): a full-screen overlay in three columns, one scrolling column under 900px */
html.cat-pick-open { overflow: hidden; }
.cat-overlay--pick { padding: 0; display: block; overflow: hidden; background: var(--cat-bg); }
.cat-pick { position: absolute; inset: 0; display: grid; grid-template-columns: 236px minmax(0, 1fr) minmax(380px, 440px); grid-template-rows: auto minmax(0, 1fr); background: var(--cat-bg); color: var(--cat-fg); }
.cat-pick__bar { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--cat-line); background: var(--cat-panel); }
.cat-pick__bar h2 { margin: 0 6px 0 0; font-size: 18px; letter-spacing: -0.01em; }
.cat-pick__bar .cat-tabs2 { border-bottom: 0; }
.cat-pick__bar .cat-tabs2 small { color: var(--cat-fg3); font-weight: 400; margin-left: 3px; }
.cat-pick__q { width: 220px; }
.cat-pick__hex { width: 96px; font-family: var(--cat-mono); }
.cat-pick__sort { width: auto; }
.cat-pick__sp { flex: 1; }
.cat-pick__bar .cat-btn--main { background: var(--cat-fg); color: var(--cat-bg); border-color: var(--cat-fg); }
.cat-pick__target span { padding: 4px 9px; }
.cat-pick__facets, .cat-pick__grid, .cat-pick__side { overflow-y: auto; overscroll-behavior: contain; min-height: 0; min-width: 0; }
.cat-pick__facets { padding: 12px 14px 40px; border-right: 1px solid var(--cat-line); display: grid; align-content: start; gap: 14px; }
.cat-pick__grid { padding: 14px 16px 60px; }
.cat-pick__side { padding: 12px 16px 40px; border-left: 1px solid var(--cat-line); background: var(--cat-panel); display: grid; align-content: start; gap: 12px; }
.cat-pf { display: grid; gap: 6px; min-width: 0; }
.cat-pf h4 { margin: 0; font: 600 11px/1.3 var(--cat-ui); letter-spacing: .07em; text-transform: uppercase; color: var(--cat-fg3); display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; }
.cat-pf h4 .cat-note { font-size: 11.5px; letter-spacing: 0; text-transform: none; font-weight: 400; }
.cat-pf__head { display: flex; align-items: center; gap: 8px; justify-content: space-between; min-height: 30px; }
.cat-pf__head .cat-btn { padding: 4px 9px; font-size: 12px; }
.cat-pf__clr { border: 0; background: none; color: var(--cat-accent); font: 500 11.5px var(--cat-ui); cursor: pointer; padding: 0; letter-spacing: 0; text-transform: none; }
.cat-pf .cat-chips { gap: 4px; }
.cat-pf .cat-chip { padding: 4px 9px; font-size: 12px; }
.cat-chips--scroll { max-height: 168px; overflow-y: auto; padding: 1px; }
.cat-pf__q { font-size: 12.5px; padding: 6px 8px; }

/* cells: a grid of small screens; the grid element carries the world's sheet, each cell sets its own candidate */
.cat-pick__cells { display: grid; grid-template-columns: repeat(auto-fill, minmax(176px, 1fr)); gap: 14px; align-content: start; }
.cat-pick__cells--type { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.cat-pick [hidden] { display: none !important; }
.cat-pick__cells[data-world] { background: none; color: var(--cat-fg); font: 13px/1.4 var(--cat-ui); }
.cat-pick__more { grid-column: 1 / -1; height: 1px; }
.cat-pick__own { grid-column: 1 / -1; display: grid; gap: 8px; padding: 12px; border: 1px dashed var(--cat-line); border-radius: 12px; background: var(--cat-panel); font-family: var(--cat-ui); }
.cat-pick__cells .cat-empty { grid-column: 1 / -1; }
.cat-pc { display: grid; gap: 6px; min-width: 0; cursor: pointer; border-radius: 12px; outline-offset: 3px; }
.cat-pc--skel { min-height: 214px; background: var(--cat-panel2); }
.cat-pick__cells--type .cat-pc--skel { min-height: 216px; }
.cat-pc:hover .cat-pc__spec, .cat-pc:hover .cat-pt__spec, .cat-pc:focus-visible .cat-pc__spec, .cat-pc:focus-visible .cat-pt__spec { box-shadow: 0 0 0 2px var(--cat-accent); }
.cat-pc:focus-visible { outline: none; }
.cat-pc.is-sel .cat-pc__spec, .cat-pc.is-sel .cat-pt__spec { box-shadow: 0 0 0 3px var(--cat-fg); }
.cat-pc__spec { height: 160px; border-radius: 10px; border: 1px solid var(--cat-line); padding: 14px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; overflow: hidden; }
.cat-pc__h { font-size: 21px !important; line-height: 1.1 !important; max-width: 100%; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.cat-pc__b { font-family: var(--b); font-weight: var(--bw); font-size: 13px; color: var(--pmuted); }
.cat-pc__spec .wp-btn, .cat-pt__spec .wp-btn { margin-top: auto; pointer-events: none; }
.cat-pc__sw { display: flex; height: 10px; border-radius: 4px; overflow: hidden; border: 1px solid rgba(0,0,0,.1); }
.cat-pc__sw span { flex: 1; }
.cat-pc__cap { display: flex; align-items: baseline; gap: 6px; min-width: 0; font-family: var(--cat-ui); }
.cat-pc__cap b { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.cat-pc__cap small { color: var(--cat-fg3); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1; }
.cat-pc__sim { margin-left: auto; flex: none; border: 1px solid var(--cat-line); border-radius: 999px; background: var(--cat-panel); color: var(--cat-fg2); font: 500 11px var(--cat-ui); padding: 1px 7px; cursor: pointer; opacity: 0; }
.cat-pc:hover .cat-pc__sim, .cat-pc:focus-within .cat-pc__sim, .cat-pc__sim:focus-visible { opacity: 1; }
@media (hover: none) { .cat-pc__sim { opacity: 1; } }
.cat-pt__spec { height: 184px; border-radius: 10px; border: 1px solid var(--cat-line); padding: 14px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; overflow: hidden; background: var(--pbg); color: var(--pfg); }
.cat-pt__h { font-size: 23px !important; max-width: 100%; overflow: hidden; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; flex: none; }
.cat-pt__b { font-family: var(--b); font-weight: var(--bw); font-size: 13px; line-height: 1.45; color: var(--pmuted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cat-pt__fam { font: 600 11.5px var(--cat-ui); font-variant: all-small-caps; letter-spacing: .04em; color: var(--cat-fg2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* the right column: readout, specimen, stage, tuning */
.cat-pick__read { font-size: 13px; display: grid; gap: 6px; }
.cat-pick__read p { margin: 0; line-height: 1.45; }
.cat-pick__read code { font: 12px var(--cat-mono); background: var(--cat-panel2); padding: 0 4px; border-radius: 4px; }
.cat-pick__read.is-preview p { color: var(--cat-accent); }
.cat-pick__read .cat-btn { padding: 4px 9px; font-size: 12px; }
.cat-pick__stagebox { display: grid; gap: 10px; }
.cat-pick__stage, .cat-pick__spec { border: 1px solid var(--cat-line); border-radius: 12px; overflow: hidden; }
.cat-pick__stagein { padding: 16px; display: grid; gap: 12px; }
.cat-pick__stage .wp-header { padding: 0 16px; gap: 16px; flex-wrap: wrap; }
.cat-pick__stage .wp-header__nav { flex-wrap: wrap; gap: 12px; }
.cat-pick__stage .wp-field { max-width: 100%; }
.cat-pick__stage .cat-cardwall { padding: 4px 0 0; grid-template-columns: 1fr; }
.cat-pick__spec { padding: 16px; display: grid; gap: 8px; }
.cat-spec__d { font-size: min(var(--t-display), 44px) !important; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cat-pick__tune { display: grid; gap: 16px; padding-top: 4px; }
.cat-rmap { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.cat-rchip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px 3px 3px; border: 1px solid var(--cat-line); border-radius: 999px; background: var(--cat-panel); color: var(--cat-fg); font: 11.5px var(--cat-mono); cursor: pointer; }
.cat-rchip i, .cat-rspare i { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(0,0,0,.15); display: inline-block; }
.cat-rchip small { color: var(--cat-fg3); font-family: var(--cat-ui); }
.cat-rchip[aria-pressed="true"] { border-color: var(--cat-accent); box-shadow: 0 0 0 2px var(--cat-accent); }
.cat-rmap__sp { font-size: 11px; color: var(--cat-fg3); margin: 0 2px 0 8px; }
.cat-rspare { border: 1px solid var(--cat-line); border-radius: 999px; background: var(--cat-panel); padding: 2px; cursor: pointer; line-height: 0; }
.cat-rows { display: grid; gap: 10px; }
.cat-rrow { display: grid; grid-template-columns: 64px 28px minmax(0, 1fr) auto; gap: 4px 6px; align-items: center; font-size: 12px; }
.cat-rrow__k { font: 600 12px var(--cat-mono); display: grid; }
.cat-rrow__k small { font: 400 10.5px var(--cat-ui); color: var(--cat-fg3); }
.cat-rrow input[type=color] { width: 28px; height: 28px; padding: 0; border: 1px solid var(--cat-line); border-radius: 6px; background: none; }
.cat-rrow .cat-input { font: 12px var(--cat-mono); padding: 5px 7px; }
.cat-rrow__state { font-size: 11px; color: var(--cat-fg3); white-space: nowrap; }
.cat-sl { grid-column: span 4; display: grid; grid-template-columns: 14px minmax(0, 1fr); gap: 6px; align-items: center; font: 10.5px var(--cat-mono); color: var(--cat-fg3); }
.cat-rrow .cat-sl { grid-column: auto; }
.cat-rrow .cat-sl:nth-of-type(1) { grid-column: 1 / 3; }
.cat-rrow .cat-sl:nth-of-type(2) { grid-column: 3 / 4; }
.cat-rrow .cat-sl:nth-of-type(3) { grid-column: 4 / 5; min-width: 90px; }
.cat-sl input, .cat-sl2 input { width: 100%; accent-color: var(--cat-fg); margin: 0; }
.cat-sl2 { display: grid; grid-template-columns: 82px minmax(0, 1fr) 82px; gap: 8px; align-items: center; font-size: 12.5px; color: var(--cat-fg2); }
.cat-sl2 output { font: 11.5px var(--cat-mono); color: var(--cat-fg3); text-align: right; }
.cat-f3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.cat-derived { display: grid; gap: 4px; font-size: 12px; }
.cat-derived div { display: grid; grid-template-columns: auto 64px minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.cat-derived b { font: 600 12px var(--cat-mono); }
.cat-derived code { font: 11.5px var(--cat-mono); color: var(--cat-fg2); }
.cat-lock { border: 1px solid var(--cat-line); border-radius: 999px; background: var(--cat-panel); color: var(--cat-fg2); font: 500 11.5px var(--cat-ui); padding: 2px 9px; cursor: pointer; }
.cat-lock[aria-pressed="true"] { background: var(--cat-fg); color: var(--cat-bg); border-color: var(--cat-fg); }
.cat-nudges .cat-btn { padding: 5px 9px; font-size: 12px; }
.cat-steps { width: 100%; border-collapse: collapse; font-size: 11.5px; table-layout: fixed; }
.cat-steps th { color: var(--cat-fg3); font-weight: 500; text-align: left; padding: 2px 2px; }
.cat-steps td { font-family: var(--cat-mono); padding: 2px 2px; overflow-wrap: anywhere; }
@media (max-width: 1100px) { .cat-pick { grid-template-columns: 200px minmax(0, 1fr) 360px; } .cat-pick__side { padding: 12px; } }
@media (max-width: 900px) {
  .cat-overlay--pick { overflow-y: auto; }
  .cat-pick { position: static; display: block; min-height: 100%; }
  .cat-pick__bar { position: sticky; top: 0; z-index: 2; }
  .cat-pick__q { width: 100%; order: 5; }
  .cat-pick__facets, .cat-pick__grid, .cat-pick__side { overflow: visible; border: 0; }
  .cat-pick__facets { border-bottom: 1px solid var(--cat-line); max-height: 260px; overflow-y: auto; }
  .cat-pick__side { border-top: 1px solid var(--cat-line); }
}

/* SPEC 8: the Light / Dark switch on a world's hero stage (world.js), shown only when the world has a dark sheet */
.cat-modesw { display: inline-flex; gap: 6px; margin-left: auto; }
.cat-modesw .wp-chip { text-decoration: none; }
/* a working palette's cell in the colour picker: the light specimen, then a thin strip of its dark set */
.cat-pc__dk { display: flex; height: 5px; margin-top: -4px; border-radius: 3px; overflow: hidden; border: 1px solid rgba(0,0,0,.1); }
.cat-pc__dk span { flex: 1; }