:root {
  --bg: #0c1426;
  --bg-soft: #111d35;
  --bg-deep: #08101f;
  --border: #1e3050;
  --accent: #2563eb;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --ok: #4ade80;
  --warn: #f97316;
  --danger: #f87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 20px;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(37, 99, 235, 0.18), transparent 30%),
    radial-gradient(circle at 80% 100%, rgba(20, 83, 45, 0.2), transparent 25%),
    var(--bg);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

h1, h2, p {
  margin: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 14px 16px;
}

.topbar p {
  color: var(--muted);
  margin-top: 4px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warn);
}

.status-chip.ok .dot {
  background: var(--ok);
}

.server-ip {
  color: var(--muted);
  font-size: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 14px;
}

.card h2 {
  margin-bottom: 10px;
}

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

ol {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin-top: 0;
}

label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

input, select, button {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  padding: 9px 10px;
}

input:focus, select:focus, button:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: #1d4ed8;
  cursor: pointer;
  transition: 120ms ease;
}

button:hover {
  filter: brightness(1.1);
}

button.warn {
  background: #7f1d1d;
}

button.ghost {
  background: transparent;
}

button.buy {
  background: #14532d;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
}

.engine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.muted {
  color: var(--muted);
  font-size: 12px;
  margin-top: 10px;
}

#logView {
  margin: 0;
  min-height: 220px;
  max-height: 360px;
  overflow: auto;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  padding: 10px;
  font-size: 12px;
  white-space: pre-wrap;
}

@media (max-width: 700px) {
  body {
    padding: 12px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .engine-grid {
    grid-template-columns: 1fr;
  }
}