:root {
  --bg0: #0b1220;
  --bg1: #121c2f;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.1);
  --text: #eef3ff;
  --muted: #93a0b8;
  --accent: #3dd6c6;
  --accent2: #5b8cff;
  --danger: #ff6b7a;
  --ok: #4ade80;
  --radius: 18px;
  --font: "Segoe UI", "SF Pro Display", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(91, 140, 255, 0.28), transparent 55%),
    radial-gradient(700px 400px at 100% 0%, rgba(61, 214, 198, 0.18), transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1));
  color: var(--text);
  font-family: var(--font);
}

.app {
  max-width: 520px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  color: var(--accent);
}

h1 {
  margin: 4px 0 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

h3 { margin: 0 0 12px; }

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--line);
  background: var(--card);
}
.pill.ok { color: var(--ok); border-color: rgba(74, 222, 128, 0.35); }
.pill.bad { color: var(--danger); border-color: rgba(255, 107, 122, 0.35); }
.pill.muted { color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
  backdrop-filter: blur(10px);
}

.label {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mono {
  font-family: var(--mono);
  font-size: 14px;
  margin: 8px 0 4px;
  word-break: break-all;
}

.sub { margin: 0 0 12px; color: var(--muted); font-size: 13px; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 0 10px;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  color: var(--text);
}
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #041018;
}
.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
}
.btn.danger {
  background: rgba(255, 107, 122, 0.15);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 122, 0.3);
}
.btn:disabled { opacity: 0.5; cursor: default; }

.list { display: grid; gap: 10px; }

.client {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--line);
}

.client .name { font-weight: 650; margin: 0; }
.client .meta { margin: 4px 0 0; color: var(--muted); font-size: 12px; font-family: var(--mono); }
.pingline.bad { color: var(--danger); }
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  background: var(--muted);
}
.dot.on { background: var(--ok); box-shadow: 0 0 0 4px rgba(74,222,128,0.15); }

.actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.help ol { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }
.help li { margin: 4px 0; }

dialog {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  background: #10192b;
  color: var(--text);
  width: min(92vw, 360px);
}
dialog::backdrop { background: rgba(4, 8, 16, 0.65); }
dialog img {
  width: 100%;
  border-radius: 12px;
  background: #fff;
  padding: 10px;
}
input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 16px;
  margin-bottom: 12px;
}
.dlg-actions { display: flex; gap: 8px; justify-content: flex-end; }
.empty {
  text-align: center;
  color: var(--muted);
  padding: 24px 8px;
}
.error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
}

.events { display: grid; gap: 8px; margin-top: 8px; }
.event {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.18);
}
.event.critical { border-color: rgba(255, 107, 122, 0.45); }
.event.warning { border-color: rgba(251, 191, 36, 0.4); }
.event.ok { border-color: rgba(74, 222, 128, 0.35); }
.event.open { box-shadow: inset 3px 0 0 var(--danger); }
.event-kind {
  margin: 0;
  font-size: 12px;
  font-weight: 650;
  font-family: var(--mono);
}
.event-msg { margin: 4px 0 0; font-size: 13px; color: var(--text); }
.event-time { margin: 4px 0 0; font-size: 11px; color: var(--muted); font-family: var(--mono); }