:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --panel-2: #243044;
  --text: #e7eef8;
  --muted: #93a4bd;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --bad: #f07178;
  --border: #31425c;
  --radius: 10px;
  --font: "Segoe UI", "Liberation Sans", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1b2a44, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 24px; }
.nav {
  display: flex; gap: 16px; align-items: center; justify-content: space-between;
  margin-bottom: 24px; padding: 14px 18px; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.nav .brand { font-weight: 700; letter-spacing: 0.2px; }
.nav .links { display: flex; gap: 14px; align-items: center; }
.grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.card .value { font-size: 28px; font-weight: 700; margin-top: 6px; }
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 18px;
}
h1, h2 { margin: 0 0 14px; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border);
  vertical-align: top; font-size: 14px;
}
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--panel-2);
}
.badge.ONLINE, .badge.OK { background: rgba(62, 207, 142, 0.15); color: var(--ok); }
.badge.DEGRADED { background: rgba(240, 180, 41, 0.15); color: var(--warn); }
.badge.OFFLINE, .badge.TELEGRAM_BLOCKED, .badge.NO_AVAILABLE_PROXIES, .badge.GATEWAY_DOWN {
  background: rgba(240, 113, 120, 0.15); color: var(--bad);
}
.badge.DISABLED, .badge.UNKNOWN { color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
button, .btn {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; cursor: pointer; font-size: 13px;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: #041018; font-weight: 700; }
button.danger { border-color: var(--bad); color: var(--bad); }
button:hover, .btn:hover { filter: brightness(1.08); }
form.inline { display: inline; }
.form-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input, select {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: #0d1520; color: var(--text);
}
.flash {
  padding: 12px 14px; border-radius: 8px; margin-bottom: 14px;
  background: rgba(61, 156, 240, 0.12); border: 1px solid var(--accent);
}
.flash.error { background: rgba(240, 113, 120, 0.12); border-color: var(--bad); }
.muted { color: var(--muted); }
.login-box { max-width: 420px; margin: 10vh auto; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }