/* coprctl wiki — copper theme, matching site/index.html design tokens */
:root{
  --bg:#131009;
  --bg-2:#1b1610;
  --line:#2c2418;
  --ink:#e8dfd0;
  --ink-dim:#a3998a;
  --ink-faint:#97897a;
  --copper:#c97a3d;
  --copper-hi:#e79a5e;
  --copper-dark:#8f5427;
  --ok:#7d9b6a;
  --mono:"SFMono-Regular",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
.skip{position:absolute;left:12px;top:-48px;z-index:100;font-family:var(--mono);font-size:.82rem;color:var(--ink);background:var(--bg-2);border:1px solid var(--copper);border-radius:6px;padding:10px 14px}
.skip:focus{top:12px}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--copper);text-decoration:none;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
a:hover{color:var(--copper-hi);border-bottom-color:currentColor}
pre,code,kbd{font-family:var(--mono)}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}

/* copper sheen background */
body::before{content:"";position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(1200px 500px at 20% -10%,rgba(201,122,61,.08),transparent 60%),
    radial-gradient(900px 500px at 90% 10%,rgba(201,122,61,.05),transparent 55%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg) 100%);
}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(19,16,9,.85);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav.wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.menu-btn{background:none;border:1px solid var(--line);color:var(--ink-dim);font-size:1rem;line-height:1;padding:6px 10px;min-height:44px;min-width:44px;border-radius:6px;cursor:pointer;transition:color .15s,border-color .15s}
.menu-btn:hover{color:var(--ink);border-color:var(--copper-dark)}
.search-btn{font-family:var(--mono);font-size:.78rem;color:var(--ink-dim);background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:8px;min-height:36px;min-width:36px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.search-btn:hover{color:var(--ink);border-color:var(--copper-dark);background:rgba(201,122,61,.1)}
.search-btn kbd,.search-head kbd,.search-foot kbd{font-family:var(--mono);font-size:.68rem;color:var(--ink-faint);border:1px solid var(--line);border-radius:4px;padding:1px 6px;background:var(--bg)}
.brand{font-family:var(--mono);font-size:1rem;font-weight:700;letter-spacing:.5px;color:var(--ink);white-space:nowrap}
.brand .dollar{color:var(--copper)}
.brand b{color:var(--copper-hi)}
.brand a{color:var(--ink);border-bottom:none;font-size:1rem}
.brand a:hover{color:var(--ink);border-bottom:none}
.crumb-bar{display:flex;align-items:center;gap:12px;margin:0 0 14px}
.crumb-bar .menu-btn{flex:none}
.nav-search{display:flex;align-items:center}
.nav-right{display:flex;align-items:center;gap:16px}
nav ul{display:flex;gap:6px;list-style:none;flex-wrap:wrap;justify-content:flex-end;align-items:center}
nav a{font-size:.85rem;color:var(--ink-dim);letter-spacing:.2px}
nav a:hover{color:var(--ink)}
header .nav-right > ul > li > a{display:inline-flex;align-items:center;min-height:36px;padding:8px 12px;border-radius:8px}
header .nav-right > ul > li > a:hover{background:rgba(201,122,61,.1);color:var(--ink)}
nav a{border-bottom:none}
.crumb-page{margin:0;font-size:.82rem}
.crumb-page a{color:var(--ink-dim)}
.crumb-page a:hover{color:var(--copper)}

/* layout: single column; sidebar is an off-canvas drawer */
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:0;padding-top:28px;padding-bottom:64px}

/* drawer backdrop */
.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .2s;z-index:30}
.drawer-backdrop.open{opacity:1;pointer-events:auto}

/* sidebar as a slide-out drawer below the single-bar header */
.sidebar{position:fixed;top:64px;left:0;bottom:0;width:280px;background:var(--bg-2);border-right:1px solid var(--line);transform:translateX(-100%);transition:transform .2s ease,visibility 0s linear .25s;visibility:hidden;overflow-y:auto;z-index:31;padding:24px 18px}
.sidebar.open{transform:translateX(0) !important;visibility:visible;transition:transform .2s ease}
.side{padding-top:4px}
.side-sec{margin-bottom:16px}
.side-fold summary{list-style:none;cursor:pointer}
.side-fold summary::-webkit-details-marker{display:none}
.side-fold summary::marker{content:""}
.side-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);margin-bottom:4px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:8px}
.side-title::after{content:"▸";font-size:.7rem;color:var(--ink-faint);transition:transform .15s}
.side-fold[open] .side-title::after{transform:rotate(90deg)}
.side-title a{color:var(--ink-faint)}
.side-title a:hover{color:var(--copper)}
.side ul{list-style:none;margin:0;padding:0 0 0 10px;border-left:1px solid var(--line);display:block}
.side li{margin:0;display:block}
.side a{font-size:.85rem;color:var(--ink-dim);border-bottom:none;display:block;padding:2px 0 2px 4px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left;letter-spacing:normal}
.side a:hover{color:var(--ink)}
.side li.active a{color:var(--copper-hi);background:rgba(201,122,61,.08)}

.crumb-sep{color:var(--ink-faint);margin:0 6px}
.crumb-cur{color:var(--ink)}

/* article */
article h1{font-size:2rem;font-weight:800;letter-spacing:-.02em;margin:0 0 6px}
.page-meta{margin-bottom:20px}
.chip{display:inline-block;font-family:var(--mono);font-size:.68rem;padding:2px 10px;border-radius:99px;margin-right:8px;border:1px solid var(--line);color:var(--ink-dim)}
.chip-type{color:var(--copper-hi);border-color:var(--copper-dark)}
.chip-status{color:var(--ok);border-color:var(--line)}
.chip-muted{color:var(--ink-faint);border-color:var(--line);background:none}

article h2{font-size:1.4rem;font-weight:700;margin:1.6em 0 .5em;letter-spacing:-.01em}
article h3{font-size:1.12rem;font-weight:700;margin:1.4em 0 .4em}
article p{margin:.7em 0}
article ul,article ol{margin:.7em 0;padding-left:1.4em}
article li{margin:.25em 0}
article code{background:var(--bg-2);border:1px solid var(--line);border-radius:4px;padding:.1em .35em;font-size:.88em;color:var(--copper-hi);overflow-wrap:break-word;word-break:break-word}
article pre{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:14px 16px;overflow-x:auto;margin:.9em 0;max-width:100%}
article pre code{background:none;border:none;padding:0;color:var(--ink);white-space:pre-wrap;overflow-wrap:break-word;word-break:break-word}
article blockquote{border-left:3px solid var(--copper-dark);padding:.2em 1.1em;margin:.9em 0;color:var(--ink-dim)}
article table{border-collapse:collapse;margin:1em 0;width:100%;font-size:.9rem}
@media(max-width:820px){
  /* wide tables scroll inside the article instead of pushing the page */
  article table{display:block;max-width:100%;overflow-x:auto}
}
article th,article td{border:1px solid var(--line);padding:6px 12px;text-align:left}
article th{background:var(--bg-2);color:var(--copper-hi);font-weight:600}
article hr{border:none;border-top:1px solid var(--line);margin:1.6em 0}

/* TOC: open inline on desktop, collapsible dropdown on mobile */
.toc{border:1px solid var(--line);border-left:3px solid var(--copper-dark);border-radius:6px;padding:12px 16px;margin:1.4em 0}
.toc summary{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:8px}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"▾";color:var(--ink-faint);font-size:.8em;transition:transform .15s}
.toc[open] summary::after{transform:rotate(180deg)}
.toc ul{list-style:none;padding:0;margin:10px 0 0}
.toc li{margin:3px 0;font-size:.86rem}
.toc li.l3{padding-left:14px;font-size:.82rem}
.toc a{color:var(--ink-dim);border-bottom:none}
.toc a:hover{color:var(--copper)}

/* mobile: TOC collapses to a toggle, list scrolls if long */
@media(max-width:560px){
  nav.wrap{height:auto;padding:10px 16px;flex-wrap:wrap}
  nav ul{gap:8px}
  nav a{font-size:.78rem}
  header .nav-right > ul > li > a{padding:8px}
  .nav-search{padding:0}
  .nav-right{gap:8px}
  .search-btn kbd{display:none}  .toc{margin:1.2em 0;padding:10px 12px}
  .toc:not([open]){padding:10px 12px}
  .toc ul{max-height:50vh;overflow-y:auto}
  /* wrap code instead of forcing horizontal scroll */
  article pre code{white-space:pre-wrap;word-break:break-word}
}

/* footer */
footer{border-top:1px solid var(--line);padding:30px 0 48px;color:var(--ink-faint);font-size:.82rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer .mono{font-family:var(--mono);color:var(--ink-dim)}

/* search dialog */
.search-backdrop{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:none;align-items:flex-start;justify-content:center;padding:12vh 16px 16px}
.search-backdrop.open{display:flex}
.search-modal{width:min(620px,100%);background:var(--bg-2);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.55)}
.search-head{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
.search-input{flex:1;min-width:0;font-family:var(--sans);font-size:1rem;color:var(--ink);background:none;border:none;outline:none}
.search-close{background:none;border:1px solid var(--line);border-radius:6px;padding:6px 8px;cursor:pointer}
.search-results{max-height:50vh;overflow-y:auto}
.search-empty{padding:18px;color:var(--ink-faint);font-size:.9rem}
.search-hit{display:block;padding:10px 16px;border-bottom:1px solid var(--line);border-left:2px solid transparent}
.search-hit:last-child{border-bottom:none}
.search-hit.on,.search-hit:hover{background:rgba(201,122,61,.08);border-left-color:var(--copper)}
.search-hit-title{color:var(--ink);font-size:.92rem;font-weight:600}
.search-hit-crumb{font-family:var(--mono);font-size:.7rem;color:var(--ink-faint);margin:2px 0}
.search-hit-snip{color:var(--ink-dim);font-size:.84rem}
.search-hit-snip mark{color:var(--copper-hi);background:none}
.search-foot{display:flex;justify-content:space-between;gap:12px;padding:10px 16px;border-top:1px solid var(--line);font-size:.75rem;color:var(--ink-faint)}

/* wide screens: the section nav stays visible beside the article */
@media(min-width:1024px){
  .menu-btn{display:none}
  .layout{grid-template-columns:260px minmax(0,1fr);gap:40px}
  .sidebar{position:sticky;top:88px;max-height:calc(100vh - 112px);width:auto;transform:none !important;visibility:visible;background:none;border:none;padding:0}
  .drawer-backdrop{display:none}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}