/* ============================================================
   after osmosis — cyber sigil theme
   blackwork inverted: bone linework + cyan signal on near-black
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');

:root{
  --bg:#0b0c0f;
  --bg-2:#101319;
  --panel:#0e1014;
  --line:#e9e5d8;        /* bone — the "ink" of the blackwork */
  --line-2:#9aa0a8;      /* secondary linework */
  --line-dim:#3a3f47;    /* faint structure */
  --ink:#c7cbd2;         /* body text */
  --ink-dim:#7b8089;     /* muted text */
  --ink-faint:#565b64;
  --accent:#5fb3c4;      /* signal cyan */
  --accent-2:#2f6b76;    /* dim cyan */
  --accent-glow:rgba(95,179,196,.45);
  --hair:rgba(233,229,216,.14);
  --mono:'Space Mono',ui-monospace,monospace;
}

/* light mode — blackwork returns to dark ink on warm paper (like the real tattoo) */
html[data-theme="light"]{
  --bg:#e7e2d4;
  --bg-2:#ded8c7;
  --panel:#f1ede2;
  --line:#16181c;        /* dark ink linework */
  --line-2:#5a5f66;
  --line-dim:#b9b3a2;     /* faint structure */
  --ink:#23252a;         /* body text */
  --ink-dim:#6a6e74;
  --ink-faint:#9a9485;
  --accent:#71499b;      /* signal shifts to deep violet on paper */
  --accent-2:#b9a0d6;
  --accent-glow:rgba(113,73,155,.30);
  --hair:rgba(22,24,28,.10);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--mono);
  background:var(--bg);
  color:var(--ink);
  min-height:100vh;
  text-transform:lowercase;
  font-size:14px;
  line-height:1.6;
  letter-spacing:.01em;
  position:relative;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* subtle techy texture — fine grid + vignette + faint scanline. NOT heavy CRT. */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(var(--hair) 1px,transparent 1px),
    linear-gradient(90deg,var(--hair) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 78%);
          mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 78%);
  opacity:.5;
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:2;
  background:
    radial-gradient(120% 90% at 50% 0%,transparent 55%,rgba(0,0,0,.55) 100%),
    repeating-linear-gradient(0deg,rgba(0,0,0,0) 0 2px,rgba(0,0,0,.05) 2px 3px);
}
html[data-theme="light"] body::after{
  background:radial-gradient(120% 92% at 50% 0%,transparent 60%,rgba(120,108,84,.13) 100%);
}
.wrap{position:relative;z-index:5}
::selection{background:var(--accent);color:#f1ede2}
a{color:inherit}

/* ---------- shared top bar ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 26px;
  background:linear-gradient(180deg,var(--bg) 40%,transparent);
}
.brand{
  display:flex;align-items:center;gap:11px;white-space:nowrap;
  text-decoration:none;color:var(--line);
  font-weight:700;letter-spacing:.06em;font-size:14px;
}
.brand .glyph{width:17px;height:17px;display:block;flex:0 0 auto}
.brand .wordmark{height:11px;width:auto;max-width:54vw;display:block;transition:filter .18s}
.brand:hover .glyph{color:var(--accent)}
.brand:hover .wordmark{filter:drop-shadow(0 0 7px var(--accent-glow))}
/* light/dark wordmark — src swapped by theme.js */
/* right cluster + theme toggle */
.rightcluster{display:flex;align-items:center;gap:14px}
.theme-toggle{
  width:32px;height:28px;flex:0 0 auto;display:grid;place-items:center;cursor:pointer;
  background:transparent;border:1px solid var(--line-dim);color:var(--ink-dim);
  transition:color .18s,border-color .18s;
}
.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}
.theme-toggle svg{display:block;width:15px;height:15px}
.brand:hover{color:var(--accent)}

.nav{display:flex;gap:4px;align-items:center}
.nav a{
  text-decoration:none;color:var(--ink-dim);
  font-size:12px;letter-spacing:.08em;
  padding:7px 13px;border:1px solid transparent;
  transition:color .18s,border-color .18s,background .18s;
  position:relative;
}
.nav a:hover{color:var(--line)}
.nav a.active{color:var(--accent);border-color:var(--accent-2)}
.nav a.active::before{content:"▸ "}

/* ---------- panel (blackwork bordered container) ---------- */
.panel{
  position:relative;
  border:1px solid var(--line-dim);
  background:linear-gradient(180deg,rgba(255,255,255,.012),transparent);
}
.panel::before,.panel::after{
  content:"";position:absolute;width:13px;height:13px;pointer-events:none;
  border:2px solid var(--line);
}
.panel::before{top:-1px;left:-1px;border-right:none;border-bottom:none}
.panel::after{bottom:-1px;right:-1px;border-left:none;border-top:none}
.panel-bar{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:10px 14px;border-bottom:1px solid var(--line-dim);
  font-size:11px;letter-spacing:.1em;color:var(--ink-dim);
}
.panel-bar span{white-space:nowrap}
.panel-bar .t{color:var(--accent)}
.panel-bd{padding:18px}

/* ---------- buttons ---------- */
.btn{
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--line);background:transparent;
  border:1px solid var(--line-dim);
  padding:9px 14px;cursor:pointer;text-transform:lowercase;
  transition:border-color .18s,color .18s,background .18s;
  display:inline-flex;align-items:center;gap:8px;
}
.btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(95,179,196,.06)}
.btn:active{background:rgba(95,179,196,.14)}

/* ---------- shared footer ---------- */
.foot{
  position:relative;z-index:5;
  max-width:1100px;margin:64px auto 0;padding:22px 26px 40px;
  border-top:1px solid var(--line-dim);
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.foot .links{display:flex;gap:18px;flex-wrap:wrap}
.foot .links a{
  text-decoration:none;color:var(--ink-dim);font-size:12px;letter-spacing:.05em;
  transition:color .18s;
}
.foot .links a:hover{color:var(--accent)}
.foot .sig{font-size:11px;color:var(--ink-faint);letter-spacing:.08em;display:flex;align-items:center;gap:9px}
.foot .sig .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent-glow);animation:beat 2.4s ease-in-out infinite}

/* ---------- generic helpers ---------- */
.mono-label{font-size:11px;letter-spacing:.14em;color:var(--ink-faint);text-transform:uppercase}
.hair{height:1px;background:var(--line-dim);border:none}
.accent{color:var(--accent)}
.glow{text-shadow:0 0 10px var(--accent-glow)}

/* ---------- motion ---------- */
@keyframes beat{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spin-rev{to{transform:rotate(-360deg)}}
@keyframes pulse-ring{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}
@keyframes flicker{0%,100%{opacity:1}48%{opacity:1}49%{opacity:.4}50%{opacity:1}92%{opacity:1}93%{opacity:.6}94%{opacity:1}}

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

@media (max-width:640px){
  body{font-size:13px}
  .topbar{padding:12px 16px}
  .brand .wordmark{height:9px}
  .nav a{padding:6px 9px;font-size:11px;letter-spacing:.04em}
  .foot{padding:20px 16px 32px}
}