:root{
  --bg:#0f172a;
  --panel:#111827;
  --line:#263246;
  --surface:#111827;
  --surface-2:#0b1220;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --ok:#10b981;
  --warn:#f59e0b;
  --danger:#ef4444;
  --border:#263246;
  --shadow:0 16px 34px rgba(0,0,0,.35);
  --radius:12px;
}
*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  color:var(--text);
  font-family:Arial,sans-serif;
  background:
    radial-gradient(900px 420px at 10% -12%, #18233a 0%, transparent 55%),
    radial-gradient(860px 380px at 95% -20%, #101b2f 0%, transparent 55%),
    linear-gradient(180deg,#111827 0%,var(--bg) 100%);
}
a{color:inherit}

.topbar{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(15,23,42,.95);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  max-width:1480px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 16px;
}
.brand{
  font-weight:700;
  font-size:18px;
  text-decoration:none;
  letter-spacing:.3px;
  color:#e5e7eb;
}
.nav{display:flex;gap:8px;flex:1;flex-wrap:wrap}
.nav__link{
  color:var(--muted);
  text-decoration:none;
  padding:8px 12px;
  border-radius:8px;
  border:1px solid transparent;
  transition:.2s ease;
}
.nav__link:hover{
  background:#1f2937;
  border-color:#374151;
  color:#e5e7eb;
}
.auth{display:flex;align-items:center;gap:10px}
.user{display:flex;align-items:center;gap:10px}
.user__ava{width:30px;height:30px;border-radius:50%;object-fit:cover;border:1px solid #334155}
.user__name{font-size:13px;color:#cbd5e1;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.container{
  max-width:1480px;
  margin:0 auto;
  padding:14px 16px 24px;
}
.site-footer{
  margin-top:28px;
  border-top:1px solid var(--line);
  background:rgba(5,10,20,.78);
  backdrop-filter:blur(8px);
}
.site-footer__inner{
  max-width:1480px;
  margin:0 auto;
  padding:18px 16px 24px;
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  gap:18px;
  align-items:start;
}
.site-footer__title{
  font-size:16px;
  font-weight:700;
  margin-bottom:6px;
}
.site-footer__text,
.site-footer__note{
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
}
.site-footer__links{
  display:grid;
  gap:8px;
}
.site-footer__link{
  color:#cbd5e1;
  text-decoration:none;
  font-size:13px;
}
.site-footer__link:hover{
  color:#ffffff;
  text-decoration:underline;
}
.doc-shell{
  max-width:980px;
  margin:12px auto 0;
}
.doc-card{
  background:linear-gradient(180deg,#111827 0%,#0b1220 100%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}
.doc-card h1,
.doc-card h2,
.doc-card h3{
  margin-top:0;
}
.doc-card p,
.doc-card li{
  color:#d6d8de;
  line-height:1.65;
}
.doc-card ul,
.doc-card ol{
  padding-left:20px;
}
.doc-grid{
  display:grid;
  gap:12px;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  margin-top:14px;
}
.doc-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid #334155;
  background:#0f172a;
  color:#dbe4f0;
  font-size:12px;
}
.doc-tile{
  border:1px solid #273449;
  background:#0e1627;
  border-radius:14px;
  padding:14px;
}
.doc-tile__title{
  font-size:15px;
  font-weight:700;
  margin-bottom:6px;
}
.doc-link-list{
  display:grid;
  gap:8px;
}
.doc-link-list a{
  color:#dbe4f0;
}
.card{
  background:linear-gradient(180deg,#111827 0%,#0b1220 100%);
  border-radius:var(--radius);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:14px;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:#334155;
  box-shadow:0 22px 42px rgba(0,0,0,.38);
}
.btn{
  display:inline-block;
  border:1px solid #14b8a6;
  border-radius:8px;
  background:#0f766e;
  color:#f8fafc;
  font-size:13px;
  font-weight:600;
  padding:10px 14px;
  margin:4px 6px 4px 0;
  cursor:pointer;
  text-decoration:none;
  transition:.18s ease;
}
.btn:hover{background:#0c6760;transform:translateY(-1px)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn--primary{background:#0f766e;border-color:#14b8a6}
.btn--primary:hover{background:#0c6760}
.btn--ghost{
  background:#1f2937;
  color:#e5e7eb;
  border-color:#4b5563;
}
.btn--ghost:hover{background:#27364b;color:#f8fafc}

input,select,textarea{
  background:var(--surface-2);
  color:var(--text);
  border:1px solid #374151;
  border-radius:10px;
  padding:9px 10px;
  font-size:14px;
}
input::placeholder,textarea::placeholder{color:#6b7280}
input:focus,select:focus,textarea:focus{
  outline:none;
  border-color:#14b8a6;
  box-shadow:0 0 0 1px rgba(20,184,166,.35);
}
.small{font-size:12px;color:var(--muted)}

.fx-reveal{
  opacity:0;
  transform:translateY(10px) scale(.99);
  transition:opacity .45s ease, transform .45s ease;
}
.fx-reveal.is-visible{
  opacity:1;
  transform:translateY(0) scale(1);
}

.btn-login{display:inline-flex;align-items:center;gap:8px}
.btn-login__icon{display:none;width:22px;height:22px;border-radius:999px;background:#fff;color:#dc2626;font-weight:700;align-items:center;justify-content:center;font-size:13px}

@media (max-width:760px){
  .topbar__inner{padding:8px 10px;gap:8px}
  .nav{gap:6px}
  .nav__link{padding:5px 9px;font-size:13px}
  .user__name{display:none}
  .btn-login{padding:6px 8px;min-width:36px;justify-content:center}
  .btn-login__text{display:none}
  .btn-login__icon{display:inline-flex}
  .container{padding:12px 10px 18px}
  .site-footer__inner{grid-template-columns:1fr;padding:18px 10px 22px}
}