:root {
  --bg:#05080d;
  --panel:#0d1722;
  --panel2:#111f2e;
  --line:#21364c;
  --text:#f0f6fb;
  --muted:#94a8bb;
  --blue:#2d8cff;
  --green:#55df63;
  --amber:#ffbf3f;
  --red:#ff4d4d;
}

* { box-sizing:border-box; }

body {
  margin:0;
  background:radial-gradient(circle at top,#0c1824,#030508 70%);
  color:var(--text);
  font-family:Arial, Helvetica, sans-serif;
}

.topbar {
  min-height:104px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:12px 24px;
  border-bottom:1px solid var(--line);
  background:#04070b;
}

.brand {
  display:flex;
  align-items:center;
  gap:22px;
}

.logo-frame {
  width:90px;
  height:90px;
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  background:#071018;
  display:flex;
  align-items:center;
  justify-content:center;
}

.logo-frame img {
  width:110px;
  height:110px;
  object-fit:cover;
  object-position:top center;
}

.brand-title {
  font-size:34px;
  font-weight:700;
  letter-spacing:.5px;
}

.brand-title span { color:var(--blue); }

.brand-subtitle {
  color:var(--muted);
  margin-top:4px;
}

.system-meta {
  display:flex;
  align-items:center;
  gap:16px;
  font-size:15px;
}

.version-pill {
  border:1px solid var(--blue);
  color:var(--blue);
  padding:8px 12px;
  border-radius:6px;
  max-width:360px;
}

.nav {
  display:flex;
  gap:28px;
  padding:0 28px;
  min-height:64px;
  align-items:center;
  border-bottom:1px solid var(--line);
  background:rgba(9,18,28,.95);
  flex-wrap:wrap;
}

.nav a {
  color:var(--text);
  text-decoration:none;
  padding:20px 8px;
  font-size:18px;
  border-bottom:3px solid transparent;
}

.nav a:hover {
  color:var(--blue);
  border-bottom-color:var(--blue);
}

.main {
  padding:24px;
  max-width:1500px;
  margin:auto;
}

.main h1 {
  margin:10px 0 18px;
  font-size:28px;
}

.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;
}

.card {
  background:linear-gradient(145deg,var(--panel),#09121b);
  border:1px solid var(--line);
  border-radius:10px;
  padding:22px;
  box-shadow:0 14px 30px rgba(0,0,0,.25);
  margin-bottom:18px;
}

.card h2 {
  margin:0 0 18px;
  font-size:18px;
}

.wide { width:100%; }

.big {
  font-size:28px;
  font-weight:bold;
}

.muted { color:var(--muted); }
.ok { color:var(--green); }
.warn { color:var(--amber); }
.bad { color:var(--red); }

table {
  width:100%;
  border-collapse:collapse;
  background:var(--panel);
  border-radius:10px;
  overflow:hidden;
}

th, td {
  text-align:left;
  padding:13px;
  border-bottom:1px solid var(--line);
}

th {
  color:var(--blue);
  background:var(--panel2);
}

.button {
  display:inline-block;
  border-radius:8px;
  padding:10px 14px;
  background:var(--blue);
  color:#001018;
  font-weight:bold;
  text-decoration:none;
}

.button.amber { background:var(--amber); }

@media (max-width:800px) {
  .topbar {
    align-items:flex-start;
    flex-direction:column;
  }

  .system-meta {
    flex-wrap:wrap;
  }

  .brand-title {
    font-size:26px;
  }

  .nav {
    gap:14px;
  }

  .nav a {
    font-size:16px;
    padding:12px 4px;
  }

  table {
    font-size:13px;
  }
}