:root{--bg:#0d0d0d;--s1:#141414;--s2:#1b1b1b;--line:#262626;--line2:#333;--fg:#ededed;--dim:#8a8a8a;--acc:#2563eb;--ok:#22c55e;--warn:#f59e0b;--err:#ef4444;--r:6px;--font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.55 var(--font);min-height:100vh;display:flex;flex-direction:column}
a{color:var(--fg);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:28px;font-weight:600;letter-spacing:-.02em;margin:0 0 16px;line-height:1.2}
h2{font-size:18px;font-weight:600;margin:0 0 12px;letter-spacing:-.01em}
h3{font-size:15px;font-weight:600;margin:0 0 8px}
p{margin:0 0 12px}
code{font-family:var(--mono);font-size:.92em;background:var(--s2);border:1px solid var(--line);border-radius:4px;padding:1px 5px}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.dim{color:var(--dim)}.small{font-size:13px}.r{text-align:right}.accent{color:var(--acc)}.mt{margin-top:12px}.ok{color:var(--ok)}
.inline{display:inline}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row.tight{gap:8px}.row.tight>*{flex:1;min-width:120px}

.top{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:10}
.top-in{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;white-space:nowrap}.brand:hover{text-decoration:none}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:6px 10px;border-radius:var(--r);color:var(--dim);font-size:14px}.nav a:hover{color:var(--fg);text-decoration:none;background:var(--s2)}.nav a.on{color:var(--fg)}
.nav a.btn{color:var(--bg)}
main{flex:1;padding:32px 20px 48px}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px;border-top:1px solid var(--line);font-size:13px;color:var(--dim)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border-radius:var(--r);border:1px solid #fff;background:#fff;color:var(--bg);font:inherit;font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s}
.btn:hover{background:#e4e4e4;border-color:#e4e4e4;text-decoration:none}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line2)}.btn.ghost:hover{background:var(--s2);border-color:#444}
.btn.sm{height:30px;padding:0 10px;font-size:13px}.btn.full{width:100%}
.btn:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--acc);outline-offset:1px}

.flash{padding:10px 14px;border-radius:var(--r);border:1px solid var(--line);background:var(--s1);margin-bottom:20px;font-size:14px}
.flash.ok{border-color:#14532d;background:#0c1f14}.flash.err{border-color:#7f1d1d;background:#200f0f}
.note code{word-break:break-all}
.note{padding:12px 14px;border:1px solid var(--line2);border-left:3px solid var(--warn);background:var(--s1);border-radius:var(--r);margin:0 0 16px;font-size:14px}
.empty{padding:28px;border:1px dashed var(--line2);border-radius:var(--r);color:var(--dim);text-align:center;font-size:14px}

.hero{padding:40px 0 48px;max-width:760px}
.hero h1{font-size:40px;line-height:1.12;margin-bottom:16px}
.lead{font-size:17px;color:var(--dim);margin-bottom:24px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:48px}
.card{background:var(--s1);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card p{color:var(--dim);font-size:14px;margin:0}
.card .k{font-family:var(--mono);font-size:12px;color:var(--dim);margin-bottom:12px}
.block{margin-bottom:36px}
.block-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.block-head h1,.block-head h2{margin:0}
.narrow{max-width:760px}
.crumbs{font-size:13px;color:var(--dim);margin-bottom:10px}.crumbs a{color:var(--dim)}
.meta{margin:-8px 0 16px}

.tbl{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--s1);font-size:14px}
.tbl th,.tbl td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-size:12px;font-weight:500;color:var(--dim);text-transform:uppercase;letter-spacing:.04em;background:var(--bg)}
.tbl tr:last-child td{border-bottom:0}
.tbl td form{margin:0}.tbl td .btn+.inline{margin-left:6px}
.tbl tr.muted td{color:var(--dim)}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500;border:1px solid var(--line2);color:var(--dim);white-space:nowrap}
.tag.submitted,.tag.taken{border-color:#78350f;color:#fbbf24}.tag.approved,.tag.paid,.tag.open{border-color:#14532d;color:#4ade80}.tag.rejected{border-color:#7f1d1d;color:#f87171}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}
.stat{background:var(--s1);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.stat .big{font-size:24px;font-weight:600;letter-spacing:-.02em;margin:2px 0}

.auth{max-width:400px;margin:24px auto}.auth.wide{max-width:560px}
.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--dim)}
.form .hint{font-size:12px;color:var(--dim)}
input[type=text],input[type=email],input[type=password],input[type=number],textarea,select,.sel{width:100%;background:var(--bg);border:1px solid var(--line2);border-radius:var(--r);color:var(--fg);font:inherit;font-size:14px;padding:8px 10px;height:36px}
textarea{height:auto;resize:vertical;line-height:1.5}
select,.sel{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%238a8a8a' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px}
fieldset{border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;margin:0}legend{font-size:13px;color:var(--dim);padding:0 4px}
.form label.radio{flex-direction:row;align-items:center;gap:8px;color:var(--fg);font-size:14px;padding:4px 0}
.subnav{display:flex;gap:4px;flex-wrap:wrap}.subnav a{padding:6px 10px;border-radius:var(--r);color:var(--dim);font-size:14px}.subnav a.on{color:var(--fg);background:var(--s2)}.subnav a:hover{text-decoration:none;color:var(--fg)}
.subnav.filters{margin-bottom:14px}


.md{line-height:1.65;font-size:15px}
.md h1,.md h2,.md h3,.md h4{margin:1.4em 0 .5em;line-height:1.25}.md h1{font-size:24px}.md h2{font-size:20px}.md h3{font-size:17px}.md>:first-child{margin-top:0}
.md p,.md ul,.md ol{margin:0 0 1em}.md li{margin:.25em 0}
.md pre{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;overflow:auto;font-size:13px;line-height:1.5}.md pre code{background:none;border:0;padding:0}
.md blockquote{margin:0 0 1em;padding:4px 14px;border-left:3px solid var(--line2);color:var(--dim)}
.md table{border-collapse:collapse;margin:0 0 1em;font-size:14px}.md th,.md td{border:1px solid var(--line);padding:6px 10px}.md th{background:var(--s2)}
.md img{max-width:100%}.md a{color:var(--acc)}.md hr{border:0;border-top:1px solid var(--line);margin:1.5em 0}

.review{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.review-side{display:flex;flex-direction:column;gap:12px;position:sticky;top:76px}

@media(max-width:900px){.grid3,.stats{grid-template-columns:1fr 1fr}.review{grid-template-columns:minmax(0,1fr)}.review-side{position:static}}
@media(max-width:640px){
  main{padding:20px 16px 36px}.wrap{padding:0 16px}
  .brand .dim{display:none}
  h1{font-size:24px}.hero{padding:16px 0 32px}.hero h1{font-size:28px}.lead{font-size:15px}
  .grid3,.stats{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}.contact-grid .span2{grid-column:span 1}
  .tbl{display:block;overflow-x:auto}
  .tbl.stack,.tbl.stack tbody,.tbl.stack tr,.tbl.stack td{display:block;width:100%}
  .tbl.stack thead{display:none}.tbl.stack tr{border-bottom:1px solid var(--line);padding:6px 0}.tbl.stack tr:last-child{border-bottom:0}
  .tbl.stack td{border:0;padding:4px 14px;text-align:left}.tbl.stack td.r{display:flex;gap:8px;align-items:center}
  .tbl.stack td[data-label]::before{content:attr(data-label) ": ";color:var(--dim)}
  .foot{flex-direction:column;gap:4px}
}

/* ---------- GitBook-like document ---------- */
.doc{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
.doc .doc-outline{display:none}
@media(min-width:1240px){.doc{grid-template-columns:minmax(0,1fr) 200px;margin-right:-232px}.doc .doc-outline{display:block}.doc .doc-outline.empty{display:none}}
.doc-main{min-width:0}
.doc-title{font-size:40px;font-weight:700;letter-spacing:-.025em;line-height:1.15;margin:0 0 12px}
.doc-outline{position:sticky;top:76px;align-self:start;font-size:13px;max-height:calc(100vh - 100px);overflow:auto}
.doc-outline.empty{display:none}
.doc-outline-title{font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--dim);margin-bottom:10px}
.doc-outline ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.doc-outline li a{display:block;padding:5px 12px;color:var(--dim);border-left:1px solid transparent;margin-left:-1px;line-height:1.4}
.doc-outline li.h3 a{padding-left:24px}
.doc-outline li a:hover{color:var(--fg);text-decoration:none}
.doc-outline li a.on{color:var(--fg);border-left-color:var(--fg)}
.md{line-height:1.7;font-size:16px}
.md h1,.md h2,.md h3,.md h4{font-weight:600;letter-spacing:-.015em;scroll-margin-top:76px;position:relative}
.md h1{font-size:28px;margin:1.6em 0 .5em}.md h2{font-size:24px;margin:1.6em 0 .5em}.md h3{font-size:19px;margin:1.4em 0 .4em}.md h4{font-size:16px;margin:1.2em 0 .4em}
.md>:first-child{margin-top:0}
.md .anchor{position:absolute;left:-1.1em;top:0;color:var(--dim);font-weight:400;opacity:0;text-decoration:none}
.md h2:hover .anchor,.md h3:hover .anchor{opacity:1}
.md p,.md ul,.md ol{margin:0 0 1.1em}.md li{margin:.3em 0}.md li>p{margin:0}
.md ul{padding-left:1.4em}.md ol{padding-left:1.6em}
.md pre{position:relative;background:var(--s1);border:1px solid var(--line);border-radius:8px;padding:0;overflow:hidden;font-size:13.5px;line-height:1.6;margin:0 0 1.2em}
.md pre code{display:block;padding:14px 16px;overflow:auto;background:none;border:0}
.pre-bar{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;border-bottom:1px solid var(--line);font-size:12px;color:var(--dim);font-family:var(--mono)}
.pre-bar .copy{background:none;border:1px solid var(--line2);color:var(--dim);border-radius:4px;padding:2px 8px;font:inherit;font-size:12px;cursor:pointer}.pre-bar .copy:hover{color:var(--fg);border-color:#555}
.md code{font-size:.9em}
.md blockquote{margin:0 0 1.2em;padding:12px 16px;border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:6px;background:var(--s1);color:var(--fg)}
.md blockquote>:last-child{margin-bottom:0}
.md table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:14px}
.md th,.md td{border:1px solid var(--line);padding:8px 12px;text-align:left}.md th{background:var(--s1);font-weight:600}
.md img{max-width:100%;border-radius:8px;border:1px solid var(--line)}
.md a{color:var(--acc)}.md hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.md input[type=checkbox]{margin-right:6px}
.review .doc,.review .doc.doc{grid-template-columns:minmax(0,1fr);margin-right:0}.review .doc .doc-outline{display:none!important}

@media(max-width:640px){.doc-title{font-size:28px}.md{font-size:15px}}

/* ---------- Editor page (GitBook-like document) ---------- */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.editor{display:flex;flex-direction:column;gap:0;margin-top:-32px}
.edbar{position:sticky;top:56px;z-index:9;background:var(--bg);box-shadow:0 0 0 100vmax var(--bg),0 1px 0 100vmax var(--line);clip-path:inset(0 -100vmax -1px -100vmax)}
.edbar-in{max-width:860px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.edbar .tabs .tab:first-child{margin-left:-12px}
.edbar-right{display:flex;align-items:center;gap:10px}
#saved:not(:empty)::before{content:" · "}
.tabs{display:flex;align-items:center;gap:2px}
.tab{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;color:var(--dim);font:inherit;font-size:14px;padding:12px 12px;cursor:pointer}
.tab:hover{color:var(--fg)}.tab.on{color:var(--fg);border-bottom-color:var(--fg)}
.tabpane{display:none}.tabpane.on{display:block}
.page{max-width:860px;margin:0 auto;padding:40px 24px 24px;width:100%}
.page-props{display:flex;gap:18px;align-items:center;font-size:13px;color:var(--dim);margin-bottom:14px;flex-wrap:wrap}
.prop{display:inline-flex;align-items:center;gap:6px}
.prop-sel{width:auto;max-width:320px;height:28px;padding:2px 26px 2px 8px;font-size:13px;background-color:var(--s1);border-color:var(--line)}
textarea.page-title{display:block;width:100%;background:none;border:0;padding:0;margin:0 0 8px;height:auto;resize:none;overflow:hidden;font-size:40px;font-weight:700;letter-spacing:-.025em;line-height:1.15;color:var(--fg);font-family:var(--font)}
textarea.page-title::placeholder{color:#3a3a3a}
textarea.page-title:focus-visible{outline:0}
.wysiwyg .milkdown{--crepe-color-background:transparent;--crepe-color-on-background:var(--fg);--crepe-color-surface:var(--s1);--crepe-color-surface-low:var(--s2);--crepe-color-on-surface:var(--fg);--crepe-color-on-surface-variant:var(--dim);--crepe-color-outline:var(--line2);--crepe-color-primary:#ffffff;--crepe-color-secondary:#1e2a44;--crepe-color-on-secondary:#dbe4ff;--crepe-color-inverse:var(--fg);--crepe-color-on-inverse:var(--bg);--crepe-color-inline-code:#f0abfc;--crepe-color-error:var(--err);--crepe-color-hover:var(--s2);--crepe-color-selected:#2a2a2a;--crepe-color-inline-area:var(--s2);--crepe-font-title:var(--font);--crepe-font-default:var(--font);--crepe-font-code:var(--mono);--crepe-shadow-1:0 4px 16px rgba(0,0,0,.5);--crepe-shadow-2:0 8px 24px rgba(0,0,0,.6);font-size:16px;background:transparent;border:0;padding:0}
.wysiwyg .milkdown .ProseMirror{padding:4px 0 48px;min-height:320px;line-height:1.7;font-family:var(--font)}
.wysiwyg .milkdown .ProseMirror h1{font-size:28px;font-weight:600;letter-spacing:-.015em;font-family:var(--font)}
.wysiwyg .milkdown .ProseMirror h2{font-size:24px;font-weight:600;letter-spacing:-.015em;font-family:var(--font)}
.wysiwyg .milkdown .ProseMirror h3{font-size:19px;font-weight:600;font-family:var(--font)}
.wysiwyg .milkdown .ProseMirror a{color:var(--acc)}
.source{width:100%;min-height:420px;font-family:var(--mono);font-size:13.5px;line-height:1.6;padding:16px;background:var(--s1)}

.contact{border-top:1px solid var(--line);margin-top:8px}
.contact h3{margin-bottom:14px}
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:12px}
.contact-grid label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--dim)}
.contact-grid .span2{grid-column:span 4}
@media(max-width:640px){.editor{margin-top:-20px}.edbar{position:static}.edbar-in{flex-wrap:wrap;padding:0;gap:0}.edbar-right{width:100%;justify-content:space-between;padding:8px 0}.page{padding:24px 0 16px}textarea.page-title{font-size:28px}.edbar-in{padding:0}#saved{display:none}.prop{min-width:0;max-width:100%}.prop-sel{max-width:calc(100vw - 90px)}.contact-grid{grid-template-columns:1fr}.contact-grid .span2{grid-column:span 1}}

.narrow h2{margin-top:32px}
.narrow h1+h2{margin-top:8px}
.narrow ul,.narrow ol{padding-left:1.4em;margin:0 0 12px}.narrow li{margin:4px 0}
@media(max-width:640px){.md table{display:block;overflow-x:auto}}
.page-doc{padding-top:8px}
@media(max-width:640px){.page-doc{padding:0}}
main.wrap{padding-top:32px;padding-bottom:48px}
@media(max-width:640px){main.wrap{padding-top:20px;padding-bottom:36px}}
.hero{padding-top:8px}
.review-side code,.note code{word-break:break-all;white-space:normal}