:root {
  color-scheme: light;
  --bg: #0e1116;
  --panel: #161b22;
  --border: #2b3240;
  --text: #f1f3f6;
  --muted: #9aa3b2;
  --accent: #ff9b42;
  --accent-2: #4ad3d3;
  --danger: #ff5c5c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #18202b 0%, #0e1116 55%, #0b0d12 100%);
  font-family: "Space Grotesk", "JetBrains Mono", "Menlo", monospace;
  color: var(--text);
}

header {
  padding: 24px 28px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--border);
}

header .headerMain {
  min-width: 0;
}

header .title {
  font-size: 22px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

header .status {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.surfaceTopNav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.55rem 0 0.8rem;
  padding-bottom: 0.1rem;
}

.surfaceTopNavLink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid #2f5778;
  background: #163754;
  color: var(--text);
  text-decoration: none;
  padding: 0.38rem 0.62rem;
  font-size: 0.84rem;
  line-height: 1.2;
  white-space: nowrap;
}

.surfaceTopNavLink:hover {
  border-color: var(--accent);
}

.surfaceTopNavLink.active {
  background: #245985;
  border-color: #4b86b5;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: #222a35;
  color: var(--muted);
  font-size: 12px;
  border: 1px solid var(--border);
}

.badge.ok {
  color: var(--accent-2);
  border-color: rgba(74, 211, 211, 0.5);
}

main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  padding: 24px 28px 60px;
}

.panel {
  background: linear-gradient(160deg, rgba(22, 27, 34, 0.95), rgba(17, 20, 26, 0.95));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  min-height: 120px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.row,
.param {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

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

select,
input,
textarea,
button {
  font-family: inherit;
  font-size: 13px;
}

select,
input[type="number"],
textarea {
  width: 100%;
  background: #0f141b;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}

input[type="range"] {
  width: 100%;
}

.control {
  display: grid;
  gap: 8px;
}

.inputRow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 10px;
  align-items: center;
}

.panel output {
  color: #d8e0ea;
  font-size: 11px;
  letter-spacing: 0.03em;
}

#legacyCellControlResult {
  margin-top: 8px;
  max-height: 180px;
  overflow: auto;
}

.runtimeRow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.runtimeActions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.runtimeActions button {
  min-width: 132px;
}

.dangerBtn {
  background: var(--danger);
  color: #101217;
}

.dangerBtn:disabled {
  background: #6b2c2c;
  color: #cab3b3;
}

.runtimeDown {
  color: #ffb2b2;
  border-color: rgba(255, 92, 92, 0.5);
}

.hintText {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

textarea {
  min-height: 90px;
  resize: vertical;
}

button {
  background: var(--accent);
  color: #0b0d12;
  border: none;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  filter: brightness(1.05);
}

button:disabled {
  cursor: not-allowed;
  filter: saturate(0.4) brightness(0.85);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: #d8dee9;
  font-size: 12px;
}

.showStateDropdown > summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.showStateDropdown[open] > summary {
  margin-bottom: 12px;
}

footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  padding: 12px 28px;
  background: rgba(10, 12, 16, 0.8);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(8px);
  font-size: 13px;
}

footer .error {
  color: var(--danger);
}

@media (max-width: 720px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  header .status {
    justify-content: flex-start;
  }

  footer {
    position: static;
  }

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