:root {
  color-scheme: dark;
  --bg: #0b1220;
  --bg-soft: #121b2e;
  --line: #24344f;
  --text: #d8e2f2;
  --muted: #8fa2c2;
  --accent: #39c36b;
  --warn: #ffcd57;
  --accent-soft: #8bdba8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Mono", "SF Mono", "Menlo", monospace;
  background: radial-gradient(circle at top, #182642 0%, var(--bg) 55%);
  color: var(--text);
}

.shell {
  width: min(1180px, 94vw);
  margin: 20px auto 42px;
  display: grid;
  gap: 14px;
}

.hero,
.panel {
  background: color-mix(in oklab, var(--bg-soft) 88%, black);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}

.hero h1 {
  margin: 0 0 6px;
  letter-spacing: 0.04em;
}

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

.panel h2 {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.note {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
}

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

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

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

label {
  display: grid;
  gap: 5px;
  font-size: 12px;
  color: var(--muted);
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f1828;
  color: var(--text);
  padding: 8px 10px;
}

textarea {
  resize: vertical;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}

.flow-status {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--warn);
}

.stat {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d1625;
  padding: 10px;
}

.stat h3 {
  margin: 0 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.stat p {
  margin: 0;
  color: var(--accent-soft);
  font-size: 12px;
  word-break: break-word;
}

button {
  border: 1px solid #2d7f4a;
  background: #173325;
  color: #b8efcf;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  cursor: not-allowed;
  filter: grayscale(0.5);
  opacity: 0.55;
}

.event-list {
  display: grid;
  gap: 8px;
  margin: 10px 0 6px;
}

.event {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #0d1625;
}

.event h3 {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--warn);
}

.event p {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
}

.event .meta {
  margin-top: 7px;
  font-size: 11px;
  color: var(--muted);
}

#log {
  margin: 0;
  max-height: 300px;
  overflow: auto;
  padding: 12px;
  border-radius: 8px;
  background: #08111d;
  border: 1px solid var(--line);
  font-size: 11px;
}

.advanced {
  padding: 0;
  overflow: hidden;
}

.advanced > summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.advanced > summary::-webkit-details-marker {
  display: none;
}

.advanced-body {
  padding: 12px;
  display: grid;
  gap: 10px;
}

.subpanel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #0b1523;
}

.subpanel h2 {
  margin: 0 0 8px;
  font-size: 12px;
}

@media (max-width: 720px) {
  .shell {
    margin-top: 12px;
  }
}