/* nexus-service.watch, design tokens sampled from the reference directory page */
:root{
  --bg:#282a36;
  --card:#43546a;
  --panel:#2f3442;
  --border:#424d5f;
  --urlcard:#333b4a;
  --nav:#0c0d10;
  --text:#f8f8f3;
  --muted:rgba(248,248,243,.72);
  --faint:rgba(248,248,243,.5);
  --ghost:rgba(248,248,243,.8);
  --green:#51fa7b;
  --green-deep:#1d4429;
  --cyan:#8be9fd;
  --cyan-deep:#153038;
  --amber:#ffb86c;
  --amber-deep:#3a3325;
  --red:#ff5050;
  --code:#1e212b;
  --font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-mono);
  font-size:14px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:rgba(139,233,253,.28)}
.wrap{width:100%;max-width:1152px;margin:0 auto;padding:0 16px}
.mono{font-family:var(--font-mono)}
.muted{color:var(--muted)}
.faint{color:var(--faint)}
.nowrap{white-space:nowrap}

/* ---------- navbar ---------- */
nav.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(12,13,16,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(66,77,95,.5);
}
nav.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand .mark{width:30px;height:30px;border-radius:7px;flex:0 0 auto}
.brand .word{font-weight:700;font-size:14px;letter-spacing:.14em}
.brand .word small{color:var(--faint);font-weight:400;letter-spacing:.08em}
nav.topbar .links{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
nav.topbar .links a{
  color:var(--ghost);font-size:12px;padding:6px 10px;border-radius:6px;opacity:.85;
}
nav.topbar .links a:hover{opacity:1;background:rgba(66,77,95,.35);text-decoration:none}
nav.topbar .links a.active{color:var(--cyan);opacity:1}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:11px;line-height:1;padding:4px 9px;border-radius:6px;
  font-weight:700;letter-spacing:.04em;vertical-align:middle;
}
.badge-green{background:var(--green);color:#123524}
.badge-neutral{background:#31333f;color:var(--text)}
.badge-amber{background:rgba(255,184,108,.14);color:var(--amber);border:1px solid rgba(255,184,108,.4)}
.badge-soft{background:rgba(139,233,253,.12);color:var(--cyan);border:1px solid rgba(139,233,253,.35)}

/* ---------- hero card (mirrors the reference layout) ---------- */
.hero{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  box-shadow:0 20px 40px -18px rgba(0,0,0,.55);
  margin:20px 0 24px;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.hero-left{padding:24px;display:flex;flex-direction:column;border-right:1px solid var(--border)}
.hero-right{padding:20px;background:var(--panel)}
.ident{display:flex;align-items:flex-start;gap:16px}
.ident .logo{
  width:80px;height:80px;border-radius:14px;flex:0 0 auto;
  box-shadow:0 0 0 1px var(--border),0 0 0 3px rgba(40,42,54,.6);
}
.ident h1{
  margin:0 0 8px;font-size:24px;font-weight:800;letter-spacing:-.01em;line-height:1.15;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.ident .badges{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.ident .since{font-size:12px;color:var(--muted);margin-top:6px}
.ident .since b{color:var(--text)}
.hero-desc{font-size:13px;color:var(--muted);max-width:560px;margin:16px 0 0;line-height:1.7}
.hero-actions{margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  padding:8px 14px;border-radius:8px;border:1px solid transparent;
  cursor:pointer;color:var(--text);background:transparent;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-info{background:var(--cyan);color:#10262d}
.btn-accent{background:var(--amber-deep);color:var(--amber);border-color:rgba(255,184,108,.45)}
.btn-ghost{color:var(--ghost);border-color:rgba(66,77,95,.7)}
.btn-ghost:hover{background:rgba(66,77,95,.35)}
.btn-sm{padding:5px 10px;font-size:11px}
.btn .ic{width:14px;height:14px;flex:0 0 auto}

/* ---------- right panel ---------- */
.panel-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.panel-head .tag{font-size:12px;font-weight:700;color:var(--green);letter-spacing:.12em;text-transform:uppercase}
.panel-head .right{margin-left:auto;font-size:11px;color:var(--faint)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--green);flex:0 0 auto}
.dot.pulse{position:relative}
.dot.pulse::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:1px solid var(--green);opacity:.55;
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{0%{transform:scale(.6);opacity:.7}80%{transform:scale(1.5);opacity:0}100%{opacity:0}}
.panel-line{font-size:12px;color:var(--muted);margin:0 0 12px}
.panel-line b{color:var(--text)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.stat-box{
  background:rgba(40,42,54,.7);border:1px solid var(--border);
  border-radius:10px;text-align:center;padding:10px 6px;
}
.stat-box .val{font-size:22px;font-weight:800;color:var(--green);line-height:1.2}
.stat-box .val.white{color:var(--text)}
.stat-box .val.cyan{color:var(--cyan)}
.stat-box .lbl{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);margin-top:4px}
.flow{margin:0;padding:0;list-style:none}
.flow li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;border-top:1px dashed rgba(66,77,95,.6);font-size:12px;color:var(--muted)}
.flow li:first-child{border-top:0}
.flow .n{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;
  background:rgba(139,233,253,.14);color:var(--cyan);
  display:grid;place-items:center;font-size:11px;font-weight:800;margin-top:1px;
}
.flow b{color:var(--text);font-weight:700}
.panel-note{font-size:11px;color:var(--faint);margin:12px 0 0}

/* ---------- address cards ---------- */
.section-head{
  display:flex;align-items:baseline;justify-content:space-between;
  margin:26px 4px 10px;gap:12px;
}
.section-head h2{
  margin:0;font-size:11px;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted);
}
.section-head .note{font-size:11px;color:var(--faint)}
.addr-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.addr-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.addr-card{
  background:var(--urlcard);border:1px solid var(--border);border-radius:10px;
  padding:12px;display:flex;flex-direction:column;gap:8px;min-width:0;
  transition:background .15s ease;
}
.addr-card:hover{background:#3a4456}
.addr-top{display:flex;align-items:center;gap:8px}
.addr-top .lbl{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-left:auto}
.addr-main{display:flex;align-items:center;gap:8px;min-width:0}
.addr{
  font-size:12px;color:var(--text);min-width:0;flex:1;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}
.addr.full{white-space:normal;word-break:break-all}
.copy-btn{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  background:rgba(139,233,253,.12);color:var(--cyan);
  border:1px solid rgba(139,233,253,.4);border-radius:7px;
  padding:5px 10px;cursor:pointer;
}
.copy-btn:hover{background:rgba(139,233,253,.22)}
.copy-btn.ok{background:rgba(81,250,123,.15);color:var(--green);border-color:rgba(81,250,123,.5)}
.addr-sub{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--faint);min-width:0}
.addr-sub .chk{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.show-btn{
  flex:0 0 auto;background:none;border:0;color:var(--faint);
  font-family:var(--font-mono);font-size:11px;cursor:pointer;padding:0;
}
.show-btn:hover{color:var(--cyan)}

/* ---------- prose ---------- */
main{flex:1;padding-bottom:40px}
.prose{max-width:820px;margin:0 auto;padding:8px 16px 0}
.prose h1{font-size:26px;line-height:1.2;margin:18px 0 6px;font-weight:800;letter-spacing:-.01em}
.prose h2{
  font-size:17px;font-weight:800;margin:34px 0 10px;
  padding-top:22px;border-top:1px solid rgba(66,77,95,.55);
}
.prose h2:first-child{border-top:0;margin-top:18px}
.prose h3{font-size:14px;font-weight:800;margin:22px 0 8px;color:var(--cyan)}
.prose p{margin:10px 0;font-size:13.5px;color:rgba(248,248,243,.88)}
.prose ul,.prose ol{margin:10px 0;padding-left:22px}
.prose li{margin:6px 0;font-size:13.5px;color:rgba(248,248,243,.88)}
.prose li::marker{color:var(--cyan)}
.prose strong{color:var(--text)}
.prose em{color:var(--muted)}
.prose code{
  font-family:var(--font-mono);font-size:12px;background:var(--code);
  padding:1px 6px;border-radius:5px;color:var(--cyan);
}
.prose .lead{font-size:15px;color:var(--muted);line-height:1.75}
.kicker{
  display:inline-block;font-size:10px;font-weight:800;letter-spacing:.24em;
  text-transform:uppercase;color:var(--green);margin:14px 0 0;
}
.callout{
  border-radius:10px;padding:14px 16px;margin:18px 0;font-size:12.5px;line-height:1.65;
}
.callout p{margin:6px 0}
.callout-amber{background:var(--amber-deep);border:1px solid rgba(255,184,108,.4);color:#ffe3c2}
.callout-green{background:var(--green-deep);border:1px solid rgba(81,250,123,.35);color:#d9ffe4}
.callout-cyan{background:var(--cyan-deep);border:1px solid rgba(139,233,253,.35);color:#d6f6ff}
.callout b{color:var(--text)}
.callout-amber b{color:var(--amber)}
.callout-green b{color:var(--green)}
.callout-cyan b{color:var(--cyan)}

.keyblock{
  background:var(--code);border:1px solid var(--border);border-radius:10px;
  padding:14px;overflow:auto;max-height:340px;margin:16px 0;
}
.keyblock pre{
  margin:0;font-family:var(--font-mono);font-size:10.5px;line-height:1.5;
  color:#c8d3e0;white-space:pre;
}
pre.oneline{
  background:var(--code);border:1px solid var(--border);border-radius:8px;
  padding:10px 12px;overflow-x:auto;margin:12px 0;
}
pre.oneline code{background:none;padding:0;font-size:12.5px;color:var(--green)}

/* compare / good-bad */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.compare .col{border-radius:10px;padding:14px;font-size:12.5px}
.compare .good{background:var(--green-deep);border:1px solid rgba(81,250,123,.35)}
.compare .bad{background:rgba(74,29,31,.55);border:1px solid rgba(255,80,80,.35)}
.compare h4{margin:0 0 8px;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.compare .good h4{color:var(--green)}
.compare .bad h4{color:var(--red)}
.compare ul{margin:0;padding-left:18px}
.compare li{margin:5px 0;color:rgba(248,248,243,.85)}

/* steps */
.steps{margin:16px 0;padding:0;list-style:none;counter-reset:step}
.steps>li{
  counter-increment:step;position:relative;padding:0 0 18px 44px;margin:0;
}
.steps>li::before{
  content:counter(step);
  position:absolute;left:0;top:0;width:28px;height:28px;border-radius:8px;
  background:rgba(81,250,123,.14);border:1px solid rgba(81,250,123,.4);
  color:var(--green);display:grid;place-items:center;font-weight:800;font-size:13px;
}
.steps>li b{display:block;font-size:13.5px;margin-bottom:3px}
.steps>li span{font-size:12.5px;color:var(--muted)}

/* faq */
details.faq{
  border:1px solid var(--border);border-radius:10px;margin:10px 0;
  background:var(--urlcard);overflow:hidden;
}
details.faq summary{
  cursor:pointer;padding:12px 16px;font-size:13px;font-weight:700;list-style:none;
  display:flex;align-items:center;gap:10px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";margin-left:auto;color:var(--cyan);font-size:16px;transition:transform .15s;
}
details.faq[open] summary::after{content:"×"}
details.faq .a{padding:0 16px 14px;font-size:12.5px;color:var(--muted)}
details.faq .a p{margin:8px 0}
details.faq .a a{color:var(--cyan)}

/* glossary */
dl.gloss{margin:16px 0}
dl.gloss dt{font-size:13px;font-weight:800;margin-top:18px;color:var(--cyan)}
dl.gloss dd{margin:4px 0 0;font-size:12.5px;color:var(--muted)}

/* table */
table.simple{width:100%;border-collapse:collapse;margin:14px 0;font-size:12.5px}
table.simple th{
  text-align:left;font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--faint);padding:8px 10px;border-bottom:1px solid var(--border);
}
table.simple td{padding:9px 10px;border-bottom:1px solid rgba(66,77,95,.4);color:var(--muted)}
table.simple td b{color:var(--text)}

/* also-on row */
.also-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.also-chip{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--border);background:rgba(67,84,106,.4);
  border-radius:9px;padding:8px 14px;font-size:12px;color:var(--text);
}
.also-chip:hover{background:rgba(67,84,106,.8);text-decoration:none}
.also-chip .ic{width:16px;height:16px;border-radius:4px;display:grid;place-items:center;font-size:9px;font-weight:800}

/* footer */
footer.site{border-top:1px solid rgba(66,77,95,.5);margin-top:40px;padding:30px 0 26px;background:rgba(12,13,16,.35)}
.foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot-grid h5{
  margin:0 0 10px;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);
}
.foot-grid a{display:block;color:var(--muted);font-size:12px;padding:3px 0}
.foot-grid a:hover{color:var(--cyan);text-decoration:none}


/* modal */
.modal{position:fixed;inset:0;z-index:100;display:none}
.modal.open{display:block}
.modal .overlay{position:absolute;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(3px)}
.modal .box{
  position:relative;z-index:1;max-width:720px;margin:8vh auto;background:#262a35;
  border:1px solid var(--border);border-radius:12px;padding:20px;
  max-height:82vh;overflow:auto;box-shadow:0 30px 60px -20px rgba(0,0,0,.7);
}
.modal .box h3{margin:0 0 6px;font-size:14px;color:var(--cyan)}
.modal .box .sub{font-size:11px;color:var(--faint);margin-bottom:12px}
.modal .close{
  position:absolute;top:12px;right:14px;background:none;border:0;color:var(--faint);
  font-size:18px;cursor:pointer;line-height:1;
}
.modal .close:hover{color:var(--text)}

/* 404 */
.err404{text-align:center;padding:70px 16px}
.err404 .code{font-size:64px;font-weight:800;color:var(--red);letter-spacing:.1em;line-height:1}
.err404 h1{font-size:20px;margin:18px 0 8px}
.err404 p{color:var(--muted);font-size:13px;max-width:520px;margin:8px auto}
.err404 .btn{margin-top:18px}

/* inline address bar inside prose */
.addr-inline{
  background:var(--urlcard);border:1px solid var(--border);border-radius:10px;
  padding:12px;margin:14px 0;display:flex;align-items:center;gap:10px;
}
.addr-inline .addr{font-size:11.5px}

/* responsive */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-left{border-right:0;border-bottom:1px solid var(--border)}
  .addr-grid,.addr-grid.three{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:18px}
  nav.topbar .links a{padding:5px 7px;font-size:11px}
  .ident .logo{width:64px;height:64px}
  .ident h1{font-size:21px}
}
@media (max-width:560px){
  nav.topbar .links{display:none}
  .stat-grid{grid-template-columns:repeat(3,1fr);gap:6px}
  .stat-box .val{font-size:17px}
  body{font-size:13px}
}