:root {
  --bg0: #0b1220;
  --bg1: #122038;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --text: #e8eefc;
  --muted: #9fb0d0;
  --primary: #4f8cff;
  --danger: #ff5d7a;
  --ok: #3ddc97;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1d4ed855, transparent),
    radial-gradient(900px 500px at 90% 0%, #06b6d440, transparent),
    linear-gradient(160deg, var(--bg0), var(--bg1));
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
.muted { color: var(--muted); }
.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.glass-card {
  width: min(440px, 100%);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  padding: 28px;
}
.install-card { width: min(520px, 100%); }
.glass-card h1 { margin: 0 0 8px; font-size: 1.5rem; }
.stack { display: grid; gap: 12px; margin-top: 18px; }
label { display: grid; gap: 6px; font-size: 0.9rem; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 8px; }
input, textarea, select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  padding: 12px 14px;
  outline: none;
}
textarea { min-height: 280px; font-family: ui-monospace, monospace; font-size: 12px; }
input:focus, textarea:focus, select:focus {
  border-color: color-mix(in oklab, var(--primary) 70%, white);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary) 30%, transparent);
}
.btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  cursor: pointer;
  color: white;
  background: rgba(255,255,255,0.12);
  font-weight: 600;
}
.btn.primary { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.btn.danger { background: linear-gradient(135deg, #ef4444, #fb7185); }
.btn.ghost { background: transparent; border: 1px solid var(--glass-border); }
.alert {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.92rem;
}
.alert.err { background: #ff5d7a22; border: 1px solid #ff5d7a66; }
.alert.ok { background: #3ddc9722; border: 1px solid #3ddc9766; }

.shell { max-width: 1100px; margin: 0 auto; padding: 24px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; margin-bottom: 18px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
}
.nav { display: flex; gap: 10px; flex-wrap: wrap; }
.nav a {
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid transparent;
}
.nav a.active, .nav a:hover {
  border-color: var(--glass-border);
  background: rgba(79,140,255,0.18);
}
.panel {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  padding: 20px;
  box-shadow: var(--shadow);
}
.grid-2 { display: grid; gap: 16px; grid-template-columns: 1.1fr 0.9fr; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 0.92rem; }
.badge {
  display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 0.75rem; font-weight: 700;
}
.badge.on { background: #3ddc9733; color: #9af5cb; }
.badge.off { background: #ff5d7a33; color: #ffb3c0; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.stat {
  padding: 14px; border-radius: 14px; background: rgba(0,0,0,0.22); border: 1px solid var(--glass-border);
}
.stat b { display: block; font-size: 1.4rem; margin-top: 4px; }