/* Shared by index, privacy and security so the three pages cannot drift apart.
   Fonts are self-hosted: the site makes no third-party requests at all, which is
   what lets the privacy policy say so without an asterisk. */

@font-face{
  font-family:"Plus Jakarta Sans";
  src:url(assets/fonts/plus-jakarta-sans-latin.woff2) format("woff2");
  font-weight:200 800;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"JetBrains Mono";
  src:url(assets/fonts/jetbrains-mono-latin.woff2) format("woff2");
  font-weight:100 800;font-style:normal;font-display:swap;
}

/* Light is the default. The OS preference applies automatically, and an explicit
   [data-theme] on <html> beats it in either direction, so the toggle still works
   when it disagrees with the system. */
:root{
  --bg:#FFFFFF; --tint:#F7F8FC; --ink:#0F1117; --ink-2:#5A6175; --ink-3:#8A91A3;
  --line:#E6E9F2; --indigo:#5B3FE0; --ok:#0F8A57; --warn:#B45309;
  --shot-ring:rgba(15,17,23,.10); --shadow:0 30px 60px -28px rgba(15,17,23,.42);
  --disp:"Plus Jakarta Sans",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0B0D13; --tint:#141824; --ink:#EDEFF6; --ink-2:#98A0B4; --ink-3:#6E7689;
    --line:#222739; --indigo:#8B72FF; --ok:#3DDC91; --warn:#E0A32E;
    --shot-ring:rgba(255,255,255,.10); --shadow:0 34px 70px -30px #000;
  }
}
:root[data-theme="light"]{
  --bg:#FFFFFF; --tint:#F7F8FC; --ink:#0F1117; --ink-2:#5A6175; --ink-3:#8A91A3;
  --line:#E6E9F2; --indigo:#5B3FE0; --ok:#0F8A57; --warn:#B45309;
  --shot-ring:rgba(15,17,23,.10); --shadow:0 30px 60px -28px rgba(15,17,23,.42);
}
:root[data-theme="dark"]{
  --bg:#0B0D13; --tint:#141824; --ink:#EDEFF6; --ink-2:#98A0B4; --ink-3:#6E7689;
  --line:#222739; --indigo:#8B72FF; --ok:#3DDC91; --warn:#E0A32E;
  --shot-ring:rgba(255,255,255,.10); --shadow:0 34px 70px -30px #000;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--disp);font-size:16.5px;
     line-height:1.68;-webkit-font-smoothing:antialiased;transition:background .2s,color .2s}
.wrap{max-width:1140px;margin:0 auto;padding:0 30px}
a{color:var(--indigo);text-decoration:none;font-weight:500}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;border-radius:6px}
h1,h2,h3{margin:0;letter-spacing:-.032em;line-height:1.1}
h1{font-size:clamp(2.25rem,4.3vw,3.3rem);font-weight:700}
h2{font-size:clamp(1.45rem,2.7vw,1.95rem);font-weight:700}
h3{font-size:.98rem;font-weight:600;letter-spacing:-.012em}
p{margin:0 0 1em}

/* ---- nav ---------------------------------------------------------------- */
nav{display:flex;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
nav .brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
nav .brand:hover{text-decoration:none}
nav .brand img{width:30px;height:30px;border-radius:8px}
nav .sp{margin-left:auto;display:flex;gap:8px;align-items:center}
nav .navlink{color:var(--ink-2);font-weight:500;font-size:.9rem;padding:8px 10px;border-radius:8px}
nav .navlink:hover{text-decoration:none;color:var(--ink);background:var(--tint)}
nav .navlink[aria-current="page"]{color:var(--ink);background:var(--tint)}

/* Fixed-height flex controls so the button and the links share a baseline. */
.iconbtn,.ghbtn{
  height:36px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:9px;font-weight:600;font-size:.87rem;font-family:var(--disp);
  border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;
  padding:0 14px;line-height:1;transition:background .16s,border-color .16s;
}
.iconbtn{width:36px;padding:0}
.iconbtn:hover,.ghbtn:hover{background:var(--tint);text-decoration:none;border-color:var(--ink-3)}
.ghbtn svg{width:16px;height:16px;flex:none}
.iconbtn svg{width:17px;height:17px}
.iconbtn .moon{display:none}
:root[data-theme="dark"] .iconbtn .moon{display:block}
:root[data-theme="dark"] .iconbtn .sun{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .iconbtn .moon{display:block}
  :root:not([data-theme="light"]) .iconbtn .sun{display:none}
}

.btn{display:inline-flex;align-items:center;gap:9px;height:42px;padding:0 20px;border-radius:10px;
     font-weight:600;font-size:.93rem;line-height:1}
.btn.primary{background:var(--indigo);color:#fff}
.btn.primary:hover{text-decoration:none;filter:brightness(1.08)}
.btn svg{width:16px;height:16px;flex:none}
.btn.secondary{border:1px solid var(--line);color:var(--ink)}
.btn.secondary:hover{text-decoration:none;background:var(--tint);border-color:var(--ink-3)}

section{padding:76px 0}
.shead{max-width:60ch}
.shead p{color:var(--ink-2);margin-top:10px}

.codebox{background:var(--tint);border:1px solid var(--line);color:var(--ink);border-radius:12px;
  padding:20px 22px;font-family:var(--mono);font-size:.83rem;white-space:pre;overflow-x:auto;
  line-height:1.85}
.codebox .c{color:var(--ink-3)}

footer{border-top:1px solid var(--line);padding:30px 0 60px;color:var(--ink-2);font-size:.86rem;
       display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--ink-2);font-weight:400}
footer .l{display:flex;gap:18px;flex-wrap:wrap}

@media (max-width:880px){
  nav .navlink{display:none}
  section{padding:52px 0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---- documentation pages ------------------------------------------------
   Shared by privacy, security, how-it-works and troubleshooting so the four
   cannot drift apart. Page-specific rules stay in the page. */
.doc{max-width:66ch}
.doc h2{font-size:1.24rem;margin:44px 0 12px}
.doc h3{font-size:1rem;margin:26px 0 8px}
.doc p{color:var(--ink-2)}
.doc strong{color:var(--ink);font-weight:600}
.doc code{font-family:var(--mono);font-size:.86em;color:var(--ink);
  background:var(--tint);border:1px solid var(--line);border-radius:5px;padding:1px 5px}
.doc pre{font-family:var(--mono);font-size:.83rem;background:var(--tint);border:1px solid var(--line);
  border-radius:10px;padding:16px 18px;overflow-x:auto;line-height:1.7;color:var(--ink);margin:14px 0}
.doc pre code{background:none;border:0;padding:0;font-size:1em}
header.top{padding:56px 0 0}
.updated{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:14px}
.doc table{width:100%;border-collapse:collapse;margin:18px 0 22px;font-size:.9rem}
.doc th{text-align:left;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
   color:var(--ink-3);font-weight:400;padding:9px 12px;border-bottom:1px solid var(--line)}
.doc td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.doc td strong{color:var(--ink)}
.callout{border:1px solid var(--line);border-left:3px solid var(--indigo);border-radius:0 12px 12px 0;
  padding:16px 20px;margin:22px 0;background:var(--tint)}
.callout p{margin:0;font-size:.94rem}
.callout b{color:var(--ink)}
.callout.warn{border-left-color:var(--warn)}

/* Collapsible entries, used for troubleshooting. */
details.tsh{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--bg)}
details.tsh[open]{background:var(--tint)}
details.tsh summary{cursor:pointer;padding:15px 18px;font-weight:600;font-size:.95rem;
  list-style:none;display:flex;align-items:center;gap:11px}
details.tsh summary::-webkit-details-marker{display:none}
details.tsh summary::before{content:"";width:7px;height:7px;border-right:1.6px solid var(--ink-3);
  border-bottom:1.6px solid var(--ink-3);transform:rotate(-45deg);flex:none;margin-left:3px;transition:transform .16s}
details.tsh[open] summary::before{transform:rotate(45deg)}
details.tsh .body{padding:0 18px 18px 40px}
details.tsh .body p{margin:0 0 .9em;font-size:.93rem}
details.tsh .body p:last-child{margin-bottom:0}
details.tsh .body pre{margin:12px 0}