:root{
  --bg:#091321;
  --bg2:#0d1a2f;
  --panel:rgba(255,255,255,0.08);
  --panel-strong:rgba(255,255,255,0.1);
  --border:rgba(255,255,255,0.14);
  --text:#eef4ff;
  --muted:#b7c4da;
  --accent:#4da3ff;
  --accent2:#77e5c1;
  --danger:#ff7d7d;
  --warning:#ffd36b;
  --success:#8ff0b7;
  --shadow:0 20px 50px rgba(0,0,0,.35);
  --radius:24px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(77,163,255,.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(119,229,193,.12), transparent 25%),
    linear-gradient(160deg,var(--bg) 0%, var(--bg2) 45%, #08111d 100%);
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
.container{width:min(1120px, calc(100% - 32px));margin:0 auto}
.site-header{
  position:sticky; top:0; z-index:10;
  background:rgba(7,14,24,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:16px 0;
}
.brand{
  display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:-.02em;
}
.brand img{width:42px;height:42px;display:block}
.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.nav a{color:var(--muted);padding:10px 12px;border-radius:999px}
.nav a.active,.nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-button{
  background:linear-gradient(135deg,var(--accent),#7db8ff);
  color:#021529 !important;font-weight:700;padding:10px 16px !important
}
.nav-button.ghost{
  background:rgba(255,255,255,.08);
  color:#fff !important;
  border:1px solid rgba(255,255,255,.12)
}
.hero{
  padding:70px 0 30px;
}
.hero-panel,.panel,.form-card,.admin-card,.feature-card,.message-card{
  background:var(--panel);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
}
.hero-panel{
  display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden
}
.hero-copy,.hero-side{padding:48px}
.hero-side{
  border-left:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center
}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;
  background:rgba(77,163,255,.12);border:1px solid rgba(77,163,255,.28);color:#d8ebff;
  font-size:.92rem;margin-bottom:18px
}
.dot{
  width:10px;height:10px;border-radius:50%;background:var(--accent2);
  box-shadow:0 0 14px rgba(119,229,193,.9);animation:pulse 1.6s infinite
}
@keyframes pulse{
  0%{transform:scale(.9);opacity:.85}
  50%{transform:scale(1.15);opacity:1}
  100%{transform:scale(.9);opacity:.85}
}
h1,h2,h3,h4{margin:0 0 14px;letter-spacing:-.03em}
h1{font-size:clamp(2.3rem,4vw,4.4rem);line-height:1.01}
h2{font-size:clamp(1.8rem,2.6vw,2.6rem)}
h3{font-size:1.2rem}
.lead{
  color:var(--muted);font-size:1.08rem;line-height:1.75;max-width:700px
}
.hero h1 span,.accent{color:var(--accent)}
.logo-shell{
  width:min(100%,320px);aspect-ratio:1/1;padding:26px;border-radius:28px;
  background:radial-gradient(circle at top, rgba(77,163,255,.24), rgba(255,255,255,.03) 60%), rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;margin-bottom:22px
}
.logo-shell img{width:100%;height:auto;display:block}
.grid-3,.grid-2{
  display:grid;gap:18px
}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.section{padding:22px 0 60px}
.feature-card,.panel,.admin-card,.message-card,.form-card{padding:24px}
.kicker{color:var(--accent2);font-size:.92rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em}
.muted{color:var(--muted)}
.status-row{
  display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:22px 0
}
.pill{
  display:inline-flex;padding:10px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);font-weight:700
}
.pill.success{color:var(--success)}
.pill.warning{color:var(--warning)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;border-radius:14px;border:1px solid transparent;
  background:linear-gradient(135deg,var(--accent),#7db8ff);color:#021529;font-weight:800
}
.button.secondary{
  background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.12);color:#fff
}
.form-card{
  width:min(760px,100%);margin:34px auto 60px
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group.full{grid-column:1/-1}
label{font-weight:700;font-size:.95rem}
input,textarea{
  width:100%;padding:14px 16px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(3,8,16,.45);color:#fff;font:inherit
}
textarea{min-height:160px;resize:vertical}
input:focus,textarea:focus{outline:2px solid rgba(77,163,255,.45);border-color:rgba(77,163,255,.55)}
.help{font-size:.9rem;color:var(--muted)}
.alert{
  padding:14px 16px;border-radius:16px;margin:0 0 18px;border:1px solid transparent
}
.alert.success{background:rgba(143,240,183,.1);border-color:rgba(143,240,183,.22);color:var(--success)}
.alert.error{background:rgba(255,125,125,.1);border-color:rgba(255,125,125,.24);color:#ffc1c1}
.site-footer{
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.15);padding:28px 0 44px
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px
}
.footer-grid p{margin:0;color:var(--muted);line-height:1.7}
.metric{
  font-size:2rem;font-weight:800;color:#fff;margin-top:8px
}
.admin-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:30px 0 50px
}
.switch{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)
}
.switch input{width:20px;height:20px}
.small{font-size:.9rem;color:var(--muted)}
.table-like{display:grid;gap:12px}
.message-card h4,.admin-card h4{margin-bottom:6px}
.empty{
  padding:24px;border-radius:18px;background:rgba(255,255,255,.04);border:1px dashed rgba(255,255,255,.12);color:var(--muted)
}
.maintenance-page{min-height:100vh;display:grid;place-items:center;padding:24px}
.maintenance-box{
  width:min(760px,100%);padding:34px;text-align:center
}
.note{
  font-size:.9rem;color:var(--warning);margin-top:16px
}
@media (max-width:900px){
  .hero-panel,.grid-3,.grid-2,.footer-grid,.admin-grid,.form-grid{grid-template-columns:1fr}
  .hero-side{border-left:none;border-top:1px solid rgba(255,255,255,.08)}
  .hero-copy,.hero-side{padding:30px 22px}
  .nav-wrap{align-items:flex-start;flex-direction:column}
}