:root {
  --bg0: #0b0f19;
  --bg1: #0f1b2d;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.10);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.70);
  --line: rgba(255, 255, 255, 0.12);
  --accent: #7dd3fc;
  --accent2: #a7f3d0;
  --danger: #fb7185;
  --ok: #34d399;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  font: 15px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(125, 211, 252, 0.22), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(167, 243, 208, 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 24, 0.72);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand a {
  font-weight: 750;
  letter-spacing: 0.2px;
  color: var(--text);
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.nav a {
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
}
.nav a.active {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}
.spacer { flex: 1; }

.container {
  max-width: 1100px;
  margin: 18px auto 64px;
  padding: 0 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 20px 70px rgba(0,0,0,0.35);
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.col-6 { grid-column: span 6; }
.col-12 { grid-column: span 12; }

@media (max-width: 860px) {
  .col-6 { grid-column: span 12; }
}

h1, h2, h3 {
  margin: 0 0 10px;
  font-weight: 750;
  letter-spacing: 0.2px;
}
.muted { color: var(--muted); }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 13px;
}
.pill.ok { border-color: rgba(52, 211, 153, 0.35); color: rgba(167, 243, 208, 0.92); }
.pill.bad { border-color: rgba(251, 113, 133, 0.35); color: rgba(251, 113, 133, 0.92); }

form.inline { display: inline; }
input[type="text"], input[type="password"], select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  outline: none;
}
select {
  background: rgba(11, 15, 25, 0.85);
}
select option, select optgroup {
  background: #0b0f19;
  color: rgba(255, 255, 255, 0.92);
}
label { display: block; margin: 10px 0 6px; color: var(--muted); font-size: 13px; }
button, .btn {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  cursor: pointer;
}
button:hover, .btn:hover { background: rgba(255,255,255,0.10); }
.btn-danger { border-color: rgba(251, 113, 133, 0.35); }
.btn-danger:hover { background: rgba(251, 113, 133, 0.12); }
.btn-ok { border-color: rgba(52, 211, 153, 0.35); }
.row {
  display: flex;
  gap: 10px;
  align-items: end;
  flex-wrap: wrap;
}
.row > * { flex: 1; min-width: 220px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
th, td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  vertical-align: top;
}
th { text-align: left; color: var(--muted); font-weight: 650; font-size: 13px; }
td small { color: var(--muted); }
.right { text-align: right; }
.error {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(251, 113, 133, 0.35);
  background: rgba(251, 113, 133, 0.10);
}
.footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
  color: rgba(255,255,255,0.55);
  font-size: 12px;
}