/* ============================================================
   Firstance docs — reuses firstance.app tokens (firstdoor aesthetic)
   Royal blue #0058f8 · faded door watermark · dark default + light
   ============================================================ */
:root { --blue:#0058f8; --ease:cubic-bezier(0.4,0,0.2,1); }

:root {
  --bg:#060a14; --bg-alt:#080d1a; --text:#eef2fb; --muted:#8b93ab; --faint:#5a6480;
  --accent:#3d7bff; --line:rgba(255,255,255,0.09); --line-2:rgba(255,255,255,0.16);
  --card:rgba(255,255,255,0.02); --nav-bg:rgba(6,10,20,0.72); --toast-bg:#0d1424; --door-op:0.035;
}

* { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; scroll-padding-top:84px; }
body {
  font-family:"Inter",system-ui,sans-serif; background:var(--bg); color:var(--text);
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
  transition:background .3s var(--ease), color .3s var(--ease);
}
h1,h2,h3,h4 { font-family:"Space Grotesk",sans-serif; font-weight:600; line-height:1.15; letter-spacing:-0.02em; color:var(--text); }
a { color:inherit; text-decoration:none; }
.blue { color:var(--accent); }

.door-bg {
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:url("logo.png") no-repeat center 44%; background-size:min(760px,80vw);
  opacity:var(--door-op); transition:opacity .3s var(--ease);
}
.vignette {
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(0,88,248,0.10), transparent 60%),
    radial-gradient(900px 900px at 20% 120%, rgba(0,88,248,0.05), transparent 60%);
}

/* ---------- reused: buttons, pills, toast ---------- */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:"Space Grotesk",sans-serif; font-weight:500; font-size:15px; padding:12px 22px;
  border-radius:999px; border:1px solid transparent; cursor:pointer;
  transition:transform .18s var(--ease),background .18s,border-color .18s,box-shadow .18s,color .18s; }
.btn:hover { transform:translateY(-1px); }
.btn-blue { background:var(--blue); color:#fff; box-shadow:0 6px 22px rgba(0,88,248,0.32); }
.btn-blue:hover { background:#0f63ff; box-shadow:0 10px 30px rgba(0,88,248,0.5); }
.btn-line { border-color:var(--line-2); color:var(--text); }
.btn-line:hover { border-color:var(--accent); color:var(--accent); }

.idlist { display:flex; flex-direction:column; gap:10px; margin:22px 0; align-items:flex-start; }
.idline { display:inline-flex; align-items:center; gap:12px; max-width:100%;
  padding:9px 9px 9px 16px; border:1px solid var(--line); border-radius:999px;
  background:var(--card); cursor:pointer; transition:border-color .2s; }
.idline:hover { border-color:var(--blue); }
.idline-k { font-family:"JetBrains Mono"; font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:var(--faint); white-space:nowrap; }
.idline code { font-family:"JetBrains Mono"; font-size:12.5px; color:var(--muted); word-break:break-all; background:none; padding:0; border-radius:0; }
.copy, .code-copy { display:grid; place-items:center; width:32px; height:32px; border-radius:999px; flex-shrink:0;
  border:1px solid var(--line-2); background:var(--card); color:var(--muted); cursor:pointer;
  transition:color .2s,border-color .2s; }
.copy:hover, .code-copy:hover { color:var(--accent); border-color:var(--accent); }

.toast { position:fixed; bottom:26px; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--toast-bg); border:1px solid var(--blue); color:var(--text);
  padding:11px 20px; border-radius:999px; font-size:14px; font-weight:500;
  opacity:0; pointer-events:none; transition:opacity .3s,transform .3s; z-index:300;
  box-shadow:0 10px 30px rgba(0,0,0,0.18); }
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

/* ---------- reused: tiers ---------- */
.tiers { display:flex; align-items:stretch; gap:12px; margin:26px 0; flex-wrap:wrap; }
.tier { flex:1; min-width:150px; padding:24px 22px; border:1px solid var(--line); border-radius:14px;
  background:var(--card); display:flex; flex-direction:column; gap:12px;
  transition:border-color .25s, transform .25s var(--ease); }
.tier:hover { border-color:var(--line-2); transform:translateY(-3px); }
.tier-mc { font-family:"JetBrains Mono"; font-size:13.5px; color:var(--muted); }
.tier-rate { font-family:"Space Grotesk"; font-size:36px; font-weight:700; letter-spacing:-0.03em; }
.tier-rate .pct { font-size:13px; font-weight:500; color:var(--muted); letter-spacing:0; margin-left:3px; }
.tier-arrow { display:grid; place-items:center; color:var(--faint); font-size:20px; }

/* ============================================================
   Topbar
   ============================================================ */
.topbar { position:fixed; top:0; left:0; right:0; height:60px; z-index:100;
  background:var(--nav-bg); backdrop-filter:blur(16px); border-bottom:1px solid var(--line); }
.tb-inner { max-width:1460px; margin:0 auto; height:100%; display:flex; align-items:center; gap:16px; padding:0 24px; }
.brand { display:inline-flex; align-items:center; gap:9px; font-family:"Space Grotesk"; font-weight:600; font-size:18px; letter-spacing:-0.01em; color:var(--text); }
.brand-mark { height:22px; width:auto; display:block; }
.brand-mark-blue { display:none; }
.brand-badge { font-family:"JetBrains Mono"; font-weight:400; font-size:10.5px; color:var(--faint);
  border:1px solid var(--line-2); padding:2px 7px; border-radius:6px; letter-spacing:.05em; text-transform:uppercase; }

.tb-search { position:relative; margin-left:12px; flex:0 1 340px; display:flex; align-items:center; gap:8px;
  background:var(--card); border:1px solid var(--line-2); border-radius:10px; padding:0 10px; height:38px; }
.tb-search:focus-within { border-color:var(--accent); }
.tb-search-ic { color:var(--faint); flex-shrink:0; }
.tb-search input { flex:1; min-width:0; background:none; border:0; color:var(--text); font-family:"Inter"; font-size:14px; outline:none; }
.tb-search input::placeholder { color:var(--faint); }
.tb-search kbd { font-family:"JetBrains Mono"; font-size:11px; color:var(--faint); border:1px solid var(--line-2); border-radius:5px; padding:1px 6px; }
.search-results { position:absolute; top:46px; left:0; right:0; background:var(--toast-bg);
  border:1px solid var(--line-2); border-radius:12px; padding:6px; max-height:64vh; overflow:auto;
  box-shadow:0 20px 50px rgba(0,0,0,0.35); z-index:120; }
.search-results a { display:block; padding:9px 12px; border-radius:8px; }
.search-results a:hover, .search-results a.sel { background:var(--card); }
.sr-title { font-weight:600; color:var(--text); font-size:14px; }
.sr-group { font-family:"JetBrains Mono"; font-size:11px; color:var(--faint); margin-top:2px; }
.sr-empty { padding:14px; color:var(--muted); font-size:14px; }

.tb-links { margin-left:auto; display:flex; gap:20px; }
.tb-links a { color:var(--muted); font-size:14px; transition:color .2s; }
.tb-links a:hover { color:var(--text); }

.sb-toggle { display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:6px; margin-right:2px; }
.sb-toggle span { width:20px; height:2px; background:var(--text); border-radius:2px; }

/* ============================================================
   Layout
   ============================================================ */
.layout { display:grid; grid-template-columns:264px minmax(0,1fr) 232px; gap:44px;
  max-width:1460px; margin:60px auto 0; padding:0 24px; }
.sidebar { position:sticky; top:60px; height:calc(100vh - 60px); overflow-y:auto; padding:30px 14px 60px 0; }
.sb-group { margin-bottom:22px; }
.sb-g-title { font-family:"JetBrains Mono"; font-size:11px; text-transform:uppercase; letter-spacing:.13em; color:var(--faint); margin:0 0 9px 12px; }
.sb-links { display:flex; flex-direction:column; gap:1px; }
.sb-links a { display:block; padding:7px 12px; border-radius:8px; color:var(--muted); font-size:14.5px;
  border-left:2px solid transparent; transition:color .15s, background .15s; }
.sb-links a:hover { color:var(--text); background:var(--card); }
.sb-links a.active { color:var(--accent); background:rgba(0,88,248,0.09); border-left-color:var(--blue); font-weight:500; }

.content { padding:34px 0 90px; min-width:0; }
.doc { max-width:768px; }

.crumbs { display:flex; gap:8px; align-items:center; font-family:"JetBrains Mono"; font-size:12px; color:var(--faint); margin-bottom:14px; flex-wrap:wrap; }
.crumbs a { color:var(--muted); } .crumbs a:hover { color:var(--accent); }
.crumbs .cur { color:var(--accent); }

.page-h1 { font-size:clamp(32px,5vw,44px); letter-spacing:-0.03em; margin:6px 0 24px; }
.doc h2 { font-size:26px; margin:44px 0 14px; scroll-margin-top:84px; }
.doc h3 { font-size:19px; margin:28px 0 10px; scroll-margin-top:84px; }
.doc p { color:var(--muted); font-size:15.5px; line-height:1.78; margin:0 0 16px; }
.doc strong { color:var(--text); font-weight:600; }
.doc a:not(.idline):not(.pn) { color:var(--accent); }
.doc a:not(.idline):not(.pn):hover { text-decoration:underline; }
.doc ul, .doc ol { color:var(--muted); font-size:15.5px; line-height:1.75; margin:0 0 16px; padding-left:22px; }
.doc li { margin-bottom:7px; }
.doc li::marker { color:var(--faint); }
.anchor { opacity:0; margin-left:8px; color:var(--faint); font-weight:400; }
.doc h2:hover .anchor, .doc h3:hover .anchor { opacity:1; }
.doc code { font-family:"JetBrains Mono"; color:var(--accent); background:rgba(0,88,248,0.12); padding:1px 6px; border-radius:5px; font-size:0.86em; }

.tablewrap { overflow-x:auto; margin:22px 0; border:1px solid var(--line); border-radius:12px; }
.doc table { border-collapse:collapse; width:100%; font-size:14px; }
.doc thead th { text-align:left; font-family:"Space Grotesk"; font-weight:600; color:var(--text);
  padding:11px 15px; background:var(--card); border-bottom:1px solid var(--line-2); white-space:nowrap; }
.doc tbody td { padding:11px 15px; color:var(--muted); border-bottom:1px solid var(--line); vertical-align:top; }
.doc tbody tr:last-child td { border-bottom:0; }
.doc tbody tr:hover td { background:var(--card); }

.callout { border:1px solid var(--line-2); border-left:3px solid var(--line-2); border-radius:12px;
  background:var(--card); padding:14px 18px; margin:22px 0; }
.callout p:last-child { margin-bottom:0; }
.callout p { color:var(--muted); font-size:14.5px; }
.callout-k { display:block; font-family:"JetBrains Mono"; font-size:11px; text-transform:uppercase; letter-spacing:.12em; margin-bottom:6px; }
.callout.note { border-color:rgba(0,88,248,0.4); border-left-color:var(--blue); }
.callout.note .callout-k { color:var(--accent); }
.callout.warning { border-color:rgba(255,168,56,0.4); border-left-color:#ffab3d; background:rgba(255,168,56,0.05); }
.callout.warning .callout-k { color:#ffab3d; }
.callout.tip { border-color:rgba(46,204,113,0.4); border-left-color:#2ecc71; }
.callout.tip .callout-k { color:#2ecc71; }

.codeblock { position:relative; margin:22px 0; border:1px solid var(--line); border-radius:12px; background:var(--bg-alt); overflow:hidden; }
.codeblock pre { padding:16px 18px; overflow-x:auto; }
.codeblock code { font-family:"JetBrains Mono"; font-size:13px; color:var(--text); background:none; padding:0; }
.code-copy { position:absolute; top:8px; right:8px; width:auto; height:auto; padding:5px 10px; border-radius:7px; font-family:"JetBrains Mono"; font-size:11px; }

.prevnext { display:flex; justify-content:space-between; gap:16px; margin-top:52px; border-top:1px solid var(--line); padding-top:26px; }
.pn { display:flex; flex-direction:column; gap:5px; padding:16px 20px; border:1px solid var(--line); border-radius:12px;
  background:var(--card); flex:1; max-width:48%; transition:border-color .2s, transform .2s; }
.pn:hover { border-color:var(--blue); transform:translateY(-2px); }
.pn.next { text-align:right; align-items:flex-end; margin-left:auto; }
.pn-k { font-family:"JetBrains Mono"; font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:var(--faint); }
.pn-t { font-family:"Space Grotesk"; font-weight:600; font-size:16px; color:var(--text); }

.doc-footer { max-width:768px; margin-top:60px; padding-top:26px; border-top:1px solid var(--line); }
.df-links { display:flex; gap:20px; flex-wrap:wrap; margin-bottom:14px; }
.df-links a { color:var(--muted); font-size:13.5px; } .df-links a:hover { color:var(--accent); }
.df-note { color:var(--faint); font-size:12.5px; margin-bottom:10px; max-width:520px; }
.backed { color:var(--muted); font-size:12.5px; font-family:"JetBrains Mono"; letter-spacing:.02em; }
.backed a { color:var(--accent); }

/* on this page */
.toc-col { position:sticky; top:60px; height:calc(100vh - 60px); overflow-y:auto; padding:38px 0; }
.toc-title { font-family:"JetBrains Mono"; font-size:11px; text-transform:uppercase; letter-spacing:.13em; color:var(--faint); margin-bottom:12px; }
.toc-nav { display:flex; flex-direction:column; border-left:1px solid var(--line); }
.toc-nav a { padding:5px 0 5px 14px; margin-left:-1px; border-left:2px solid transparent; color:var(--muted); font-size:13px; line-height:1.4; transition:color .15s; }
.toc-nav a.lvl3 { padding-left:26px; font-size:12.5px; }
.toc-nav a:hover { color:var(--text); }
.toc-nav a.active { color:var(--accent); border-left-color:var(--blue); }

.scrim { display:none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1180px) {
  .layout { grid-template-columns:264px minmax(0,1fr); gap:36px; }
  .toc-col { display:none; }
}
@media (max-width:900px) {
  .layout { grid-template-columns:1fr; padding:0 20px; }
  .sb-toggle { display:flex; }
  .sidebar { position:fixed; top:60px; left:0; bottom:0; width:284px; height:auto; z-index:95;
    background:var(--bg); border-right:1px solid var(--line); transform:translateX(-100%);
    transition:transform .25s var(--ease); padding:24px 16px 40px; }
  .sidebar.open { transform:none; }
  .scrim { display:block; position:fixed; inset:60px 0 0; background:rgba(0,0,0,0.5);
    opacity:0; pointer-events:none; transition:opacity .25s; z-index:90; }
  .scrim.show { opacity:1; pointer-events:auto; }
  .tb-search { flex:1 1 auto; margin-left:8px; }
  .tb-links { display:none; }
}
@media (max-width:560px) {
  .tb-search kbd { display:none; }
  .brand span:not(.brand-badge) { display:none; }
  .prevnext { flex-direction:column; }
  .pn, .pn.next { max-width:100%; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation:none !important; transition:none !important; }
  html { scroll-behavior:auto; }
}