:root {
  --bg: #0f1117;
  --card: #181c27;
  --border: #2a3142;
  --text: #e8eaef;
  --muted: #8b93a8;
  --accent: #6ee7b7;
  --warn: #fbbf24;
  --danger: #f87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, #1a2235 0%, var(--bg) 55%);
  color: var(--text);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.head h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.sub code {
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
}

.card {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.card.is-hidden {
  display: none;
}

.lab {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.lab input {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0c0e14;
  color: var(--text);
  font-size: 1rem;
}

.lab input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border);
  background: #222836;
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn:hover {
  border-color: #3d465c;
}

.btn.primary {
  background: linear-gradient(165deg, #34d399, #059669);
  border-color: transparent;
  color: #04120c;
  font-weight: 600;
}

.btn.ghost {
  background: transparent;
}

.btn.danger {
  border-color: #7f1d1d;
  color: var(--danger);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.msg {
  min-height: 1.2em;
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.msg.is-ok {
  color: var(--accent);
}

.msg.is-bad {
  color: var(--danger);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.hint {
  font-size: 0.85rem;
  color: var(--muted);
}

.unit-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.unit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: #0c0e14;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.unit-name {
  font-family: ui-monospace, monospace;
  font-size: 0.88rem;
  word-break: break-all;
}

.unit-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.unit-meta.is-active {
  color: var(--accent);
}

.unit-meta.is-dead {
  color: var(--warn);
}

.card-subtitle {
  margin: 20px 0 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.dev-tank-block {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.dev-tank-copy {
  margin: 0 0 10px;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.dev-tank-copy kbd {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #0c0e14;
  color: var(--text);
}

.dash-link {
  color: var(--accent);
  font-weight: 500;
}

.dash-link:hover {
  text-decoration: underline;
}