:root {
  --bg: #0f1117;
  --card: #1a1d27;
  --text: #e8eaef;
  --muted: #9aa3b2;
  --accent: #9146ff;
  --ok: #3dd68c;
  --err: #f87171;
  --border: #2a3042;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  margin: 0;
  font-size: 1.25rem;
}

.nav a, .nav button {
  margin-left: 0.75rem;
}

.layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.card h2 {
  margin-top: 0;
}

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

.status-grid {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 0.35rem 1rem;
}

.status-grid dd {
  margin: 0;
}

.actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button.secondary, .btn.secondary {
  background: var(--border);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.alert-ok {
  border-color: var(--ok);
  color: var(--ok);
}

.alert-err {
  border-color: var(--err);
  color: var(--err);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th, td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.badge.ok { background: rgba(61, 214, 140, 0.2); color: var(--ok); }
.badge.fail { background: rgba(248, 113, 113, 0.2); color: var(--err); }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.tool-form {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tool-form h3 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
}

.tool-form input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 0.4rem 0.5rem;
}

.row-actions {
  margin: 1rem 0;
}

.credit-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.credit-list li {
  padding: 0.25rem 0;
}