:root{
  --bg:#07111f;
  --bg2:#0d1b2d;
  --panel:#101d30;
  --panel2:#14243a;
  --line:#263b57;
  --text:#eef6ff;
  --muted:#91a4ba;
  --cyan:#4de3ff;
  --green:#8df7bd;
  --amber:#ffd166;
  --red:#ff6b7a;
  --ink:#09111d;
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{
  min-height:100%;
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 18% 10%,rgba(77,227,255,.18),transparent 28rem),
    radial-gradient(circle at 82% 0%,rgba(141,247,189,.10),transparent 24rem),
    linear-gradient(140deg,var(--bg),var(--bg2) 52%,#091522);
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.48;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.42) 0 1px,transparent 1px),
    linear-gradient(115deg,transparent 0 48%,rgba(77,227,255,.08) 49%,transparent 50% 100%);
  background-size:72px 72px,100% 100%;
  mask-image:linear-gradient(to bottom,#000,transparent 90%);
}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{position:relative;z-index:1;max-width:1240px;margin:0 auto;padding:24px}
.nav{
  position:sticky;
  top:0;
  z-index:5;
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  margin:-24px -24px 24px;
  padding:14px 24px;
  background:rgba(7,17,31,.86);
  border-bottom:1px solid rgba(77,227,255,.18);
  backdrop-filter:blur(16px);
}
.nav b{
  margin-right:8px;
  color:#fff;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.nav b:before{content:"";display:inline-block;width:9px;height:9px;margin-right:8px;border:2px solid var(--cyan);border-radius:50%;box-shadow:0 0 16px var(--cyan)}
.nav a{
  color:var(--muted);
  padding:8px 10px;
  border-radius:8px;
}
.nav a:hover{background:rgba(77,227,255,.10);color:var(--text);text-decoration:none}
.card{
  background:linear-gradient(180deg,rgba(20,36,58,.94),rgba(16,29,48,.94));
  border:1px solid rgba(77,227,255,.16);
  border-radius:8px;
  padding:22px;
  margin:16px 0;
  box-shadow:0 18px 42px rgba(0,0,0,.28);
}
.card h1,.card h2,.card h3{margin-top:0;color:#fff;letter-spacing:0}
h1{font-size:clamp(28px,4vw,46px);line-height:1.05;margin:0 0 12px}
h2{font-size:22px}
h3{font-size:16px;color:var(--cyan)}
.muted{color:var(--muted)}
.ok{color:var(--green)}
.bad{color:var(--red)}
label{display:block;font-weight:650;margin:10px 0 4px;color:#dcecff}
input,select,textarea{
  width:100%;
  max-width:100%;
  padding:11px 12px;
  margin:5px 0 12px;
  color:var(--text);
  background:#091523;
  border:1px solid var(--line);
  border-radius:8px;
  outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(77,227,255,.13)}
button,.btn{
  display:inline-block;
  border:0;
  border-radius:8px;
  padding:10px 14px;
  color:#04111d;
  background:linear-gradient(135deg,var(--cyan),var(--green));
  font-weight:800;
  cursor:pointer;
  text-decoration:none;
}
button:hover,.btn:hover{filter:brightness(1.08);text-decoration:none}
button.danger,.btn.danger{background:linear-gradient(135deg,#ff6b7a,#ffb86b)}
button.secondary,.btn.secondary{background:#253a55;color:var(--text)}
table{width:100%;border-collapse:collapse;background:rgba(7,17,31,.28);border-radius:8px;overflow:hidden}
td,th{padding:10px;border-bottom:1px solid rgba(145,164,186,.16);text-align:left;vertical-align:top}
th{color:#bcd0e6;font-size:12px;text-transform:uppercase;letter-spacing:.06em;background:rgba(255,255,255,.03)}
code{color:var(--green);background:#06101c;border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.pill{display:inline-block;background:rgba(77,227,255,.12);color:#dffbff;border:1px solid rgba(77,227,255,.22);border-radius:999px;padding:4px 9px;margin:2px;font-size:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.org{display:flex;flex-wrap:wrap;gap:12px}
.node{background:#091523!important;border:1px solid rgba(77,227,255,.18)!important;border-radius:8px!important;padding:14px!important;min-width:210px;box-shadow:none!important}
.node small{color:var(--muted)!important}
.manual{background:rgba(77,227,255,.08)!important}
.warn{background:rgba(255,209,102,.10)!important}
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.metric{padding:18px;border:1px solid rgba(77,227,255,.16);border-radius:8px;background:#091523}
.metric strong{display:block;font-size:34px;color:#fff}
.metric span{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.hero-orbit{
  min-height:calc(100vh - 48px);
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
  gap:48px;
  align-items:center;
}
.brand-mark{font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:#fff}
.brand-mark:before{content:"";display:inline-block;width:12px;height:12px;margin-right:10px;border:2px solid var(--cyan);border-radius:50%;box-shadow:0 0 18px var(--cyan),18px 0 0 -7px var(--green)}
.auth-panel{max-width:460px;margin-left:auto}
.auth-copy p{max-width:640px;color:var(--muted);font-size:18px;line-height:1.55}
.orbit-visual{
  position:relative;
  min-height:310px;
  border:1px solid rgba(77,227,255,.16);
  border-radius:8px;
  background:radial-gradient(circle at center,rgba(77,227,255,.18),rgba(20,36,58,.58) 36%,rgba(7,17,31,.78));
  overflow:hidden;
}
.orbit-visual:before,.orbit-visual:after{
  content:"";
  position:absolute;
  inset:48px;
  border:1px solid rgba(77,227,255,.32);
  border-radius:50%;
  transform:rotate(-18deg) scaleY(.55);
}
.orbit-visual:after{inset:82px;border-color:rgba(141,247,189,.24);transform:rotate(24deg) scaleY(.48)}
.satellite{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--cyan);box-shadow:0 0 22px var(--cyan)}
.satellite.s1{left:22%;top:32%}.satellite.s2{right:20%;top:56%;background:var(--green)}.satellite.s3{left:50%;bottom:22%;background:var(--amber)}
@media(max-width:850px){
  .wrap{padding:16px}
  .nav{margin:-16px -16px 18px;padding:12px 16px}
  .hero-orbit{grid-template-columns:1fr;gap:20px}
  .auth-panel{margin-left:0}
  table{display:block;overflow-x:auto}
}