:root {
  --bg-0: #f4f9ff;
  --bg-1: #e8f0ff;
  --panel: #ffffff;
  --text: #0d1b2a;
  --muted: #5c6b7a;
  --accent: #0e7490;
  --accent-2: #0f766e;
  --shadow: 0 14px 35px rgba(13, 27, 42, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 20%, #dbeafe 0%, transparent 35%),
    radial-gradient(circle at 85% 0%, #cffafe 0%, transparent 30%),
    linear-gradient(150deg, var(--bg-0), var(--bg-1));
  min-height: 100vh;
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem;
}

.card {
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.hero {
  margin-bottom: 1rem;
  background: linear-gradient(140deg, #f0f9ff 0%, #ffffff 45%, #ecfeff 100%);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

h1 {
  margin: 0.4rem 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.pill {
  background: #f3f6fb;
  border: 1px solid #d9e4f2;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.92rem;
}

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

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.8rem;
}

button {
  border: 1px solid #c8d8ea;
  background: #f2f8ff;
  color: #083344;
  border-radius: 10px;
  padding: 0.45rem 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #e2f0ff;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button.secondary {
  background: #f8fafc;
  color: #334155;
}

.status-line {
  margin-top: 0.2rem;
  font-weight: 600;
}

.highlight {
  background: linear-gradient(165deg, #ecfeff 0%, #ffffff 55%);
  border: 1px solid #a5f3fc;
}

h2 {
  margin-top: 0;
  margin-bottom: 0.9rem;
  font-size: 1.05rem;
}

.metric {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--accent-2);
  margin: 0 0 0.45rem;
}

.hint {
  color: var(--muted);
  margin: 0;
  font-size: 0.9rem;
}

dl {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid #e6edf5;
  padding-bottom: 0.35rem;
}

.distribution-list {
  margin: 0;
  padding-left: 1.05rem;
  min-height: 6rem;
}

.events {
  margin-top: 1rem;
}

.event-feed {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
  max-height: 16rem;
  overflow-y: auto;
}

dt {
  color: var(--muted);
}

.endpoint-list {
  margin: 0 0 0.85rem;
  padding-left: 1.1rem;
}

code {
  background: #edf5ff;
  border: 1px solid #d9e8ff;
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}

@media (max-width: 640px) {
  .page {
    padding: 0.85rem;
  }

  .card {
    padding: 1rem;
  }
}