:root{--bg:#fbfaf7;--fg:#1d1d1b;--muted:#64635e;--line:#e4e1d8;--card:#fff;--accent:#2f5d50;--accent-soft:#e3eee9;--warn:#9a3b2b;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}
@media (prefers-color-scheme:dark){:root{--bg:#151614;--fg:#ecebe6;--muted:#a3a198;--line:#2e302c;--card:#1d1f1c;--accent:#8cc2ae;--accent-soft:#22332d;--warn:#e08a78}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--accent)}header{border-bottom:1px solid var(--line);background:var(--card);position:sticky;top:0;z-index:2}
.wrap{max-width:1000px;margin:0 auto;padding:0 16px}nav{display:flex;gap:4px 16px;align-items:center;flex-wrap:wrap;padding:12px 0}
nav .brand{font-weight:650;margin-right:auto}nav a{text-decoration:none;font-size:.95rem}nav a.on{font-weight:600;text-decoration:underline;text-underline-offset:4px}
main{padding:24px 0 64px}h1{font-size:1.8rem;line-height:1.25;margin:.15em 0 .25em}h2{font-size:1.15rem;margin:2em 0 .4em}
.lead{color:var(--muted);font-size:1.05rem;max-width:46em;margin:0 0 1.2em}.explain{color:var(--muted);font-size:.88rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:10px 0}
.verify{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}.verify b{color:var(--accent)}.verify.bad b{color:var(--warn)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.stat b{display:block;font-size:2rem;line-height:1.1}.stat .name{font-weight:600}
.kv{display:grid;grid-template-columns:minmax(110px,170px) 1fr;gap:8px 16px;margin:0}.kv dt{color:var(--muted);font-size:.88rem}.kv dd{margin:0;min-width:0}
@media (max-width:600px){.kv{grid-template-columns:1fr}}
code{font-family:var(--mono);font-size:.82rem;word-break:break-all}td code{white-space:nowrap;word-break:normal}
.pill{display:inline-block;white-space:nowrap;font-size:.78rem;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:600}
.copy{font:inherit;font-size:.75rem;margin-left:6px;padding:0 7px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--muted);cursor:pointer}
table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:8px;border-top:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:500;font-size:.82rem;border-top:0}
.scroll{overflow-x:auto}.sub{display:block;color:var(--muted);font-size:.8rem}.pred{white-space:nowrap}
ul.plain{list-style:none;padding:0;margin:0}ul.plain li{padding:8px 0;border-top:1px solid var(--line)}ul.plain li:first-child{border-top:0}
.results li.chosen{background:var(--accent-soft);border-radius:8px;padding-left:8px}
.drop{display:flex;align-items:center;justify-content:center;min-height:140px;border:2px dashed var(--line);border-radius:12px;background:var(--card);cursor:pointer;color:var(--muted);text-align:center;padding:16px}
.drop:hover{border-color:var(--accent);color:var(--accent)}.drop input{display:none}
.form label{display:flex;flex-direction:column;gap:4px;margin:0 0 14px;font-size:.9rem;font-weight:500}
.form input,.form textarea,.form select{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}
.row{display:flex;gap:8px}.row input{flex:1}
button{font:inherit;cursor:pointer;padding:6px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--fg)}
button.primary{background:var(--accent);border-color:var(--accent);color:var(--card);font-weight:600;padding:8px 18px}button:disabled{opacity:.5;cursor:default}
form.search{display:flex;gap:8px;margin:0 0 10px}form.search input{flex:1}
.sentence{font-size:1.05rem}.error{color:var(--warn)}
footer{color:var(--muted);font-size:.82rem;padding:24px 0;border-top:1px solid var(--line)}

.hints{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.hint{margin:0;display:flex;flex-direction:column;gap:6px}.hint p{margin:0}.hint .row{margin-top:auto;padding-top:6px}
.hint blockquote{margin:0;padding:8px 10px;border-left:3px solid var(--accent);background:var(--bg);border-radius:6px;font-size:.88rem;color:var(--muted)}
mark{background:#f3e3a7;color:#1d1d1b;border-radius:3px;padding:0 2px}
@media (prefers-color-scheme:dark){mark{background:#6b5a1c;color:#fff}}
.count{display:inline-block;margin-left:8px;font-size:.8rem;min-width:22px;text-align:center;padding:1px 7px;border-radius:999px;background:var(--accent);color:var(--card);vertical-align:2px}
.leaf{font-size:1rem}.branches{list-style:none;margin:6px 0 0;padding:0 0 0 14px;border-left:2px solid var(--accent-soft)}
.branches li{padding:5px 0 5px 10px;position:relative;font-size:.92rem}.branches li::before{content:'';position:absolute;left:-14px;top:15px;width:18px;border-top:2px solid var(--accent-soft)}
.branches .pred{color:var(--muted);font-size:.85rem;margin-right:4px}

.branch{display:block}.branch .node{border:0;background:transparent;padding:3px 4px;text-align:left;font:inherit;color:inherit;display:inline-flex;gap:6px;align-items:baseline;flex-wrap:wrap;cursor:pointer}
.branch .node:disabled{cursor:default}.branch .node:hover:not(:disabled) b{text-decoration:underline}
.twisty{display:inline-block;width:14px;color:var(--accent)}.open-link{margin-left:4px;text-decoration:none;font-size:.85rem}
.leaves{list-style:none;margin:2px 0 6px;padding:0 0 0 6px}.leaves li{padding:0}.leaves li::before{display:none}
.pill.rule{background:#f6eedc;color:#7a5a1c}@media (prefers-color-scheme:dark){.pill.rule{background:#3a3122;color:#e2c27f}}

tr.muted td{opacity:.55}.actions{white-space:nowrap}.actions button{margin-right:6px}
.check{display:flex;gap:8px;align-items:center;font-size:.9rem;margin:6px 0}
.card.danger{border-color:var(--warn)}button.primary.danger{background:var(--warn);border-color:var(--warn)}
.pill.warn{background:transparent;border:1px solid var(--warn);color:var(--warn)}
.fieldscopes td{border-top:1px solid var(--line);padding:6px 8px}.versions{margin:6px 0 0;padding-left:20px;font-size:.85rem;color:var(--muted)}
h3{font-size:1rem;margin:1.2em 0 .4em}

.json{font-family:var(--mono);font-size:.75rem;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;overflow:auto;max-height:340px}
.leaves-box{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:8px 0;background:var(--bg)}
.pill.plain{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:500}

/* ---- shared with the register (lists, home, graph, mediator) ---- */
.crumbs{font-size:.85rem;color:var(--muted)}.crumbs a{color:var(--muted)}
.pills{display:flex;gap:6px;flex-wrap:wrap;margin:.8em 0 .2em}.sub.inline{display:inline}
.stat{text-decoration:none;color:inherit;display:block}.stat p{margin:.3em 0 0;color:var(--muted);font-size:.88rem}a.stat:hover{border-color:var(--accent)}
.steps{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}.steps li{flex:1 1 150px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.steps li .k{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 10px}.tabs a{font-size:.85rem;padding:3px 12px;border-radius:999px;border:1px solid var(--line);text-decoration:none}.tabs a.on{background:var(--accent);color:var(--card);border-color:var(--accent)}
#cy{height:min(72vh,680px);border:1px solid var(--line);border-radius:12px;background:var(--card)}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}.legend i{display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--accent);margin-right:6px;vertical-align:-1px}.legend i.sq{border-radius:2px;background:var(--muted)}.legend i.dia{border-radius:1px;transform:rotate(45deg) scale(.85);background:#7a5a1c}
.card.published{border-color:var(--accent)}.card.published p{margin:0 0 .4em}.mono{font-family:var(--mono);font-size:.82rem;word-break:break-all}
details summary .sub{display:inline}details[open] summary{margin-bottom:8px}details summary{cursor:pointer;font-weight:600}
.verify .explain{margin:0}