:root {
  --bg: #06131f;
  --panel: #0d2236;
  --panel-soft: #12304a;
  --line: #245073;
  --text: #ecf5ff;
  --muted: #9ec0dc;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --down: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 80% -20%, #1f4c72 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 100%, #123b5f 0%, transparent 55%),
    var(--bg);
}

.app-shell {
  width: min(940px, 94vw);
  margin: 24px auto 28px;
  display: grid;
  gap: 14px;
}

.hero {
  background: linear-gradient(145deg, #173956, #0d2236);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}

.hero h1 {
  margin: 0 0 6px;
  font-size: 1.6rem;
}

.hero p {
  margin: 0 0 12px;
  color: var(--muted);
}

.api-config {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.api-config label {
  font-size: 0.9rem;
  color: var(--muted);
}

.api-config input {
  min-width: 260px;
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0a1a2a;
  color: var(--text);
  padding: 8px 10px;
}

.api-config button {
  border: 1px solid var(--line);
  background: #18456a;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.controls-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.88rem;
}

.controls-grid input {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0a1a2a;
  color: var(--text);
  padding: 8px 10px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.btn-main,
.btn-danger {
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

.btn-main {
  background: #1c6aa8;
}

.btn-danger {
  background: #8e2a2a;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.88rem;
  border: 1px solid transparent;
}

.badge-ok {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 55%, transparent);
  background: color-mix(in srgb, var(--ok) 14%, transparent);
}

.badge-warn {
  color: var(--warn);
  border-color: color-mix(in srgb, var(--warn) 55%, transparent);
  background: color-mix(in srgb, var(--warn) 14%, transparent);
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: linear-gradient(160deg, var(--panel-soft), var(--panel));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.card h2 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.big {
  margin: 6px 0 0;
  font-size: 1.52rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.wide {
  grid-column: 1 / -1;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

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

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: right;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  padding: 8px 6px;
}

thead th {
  color: var(--muted);
  font-weight: 600;
}

.up {
  color: var(--ok);
}

.down {
  color: var(--down);
}

@media (max-width: 700px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 1.35rem;
  }
}