:root {
  --bg: #0f1420;
  --surface: #171e2e;
  --surface-alt: #1e263a;
  --border: #2a3346;
  --text: #e6e9f0;
  --text-dim: #9aa4b8;
  --accent: #4f8cff;
  --accent-hover: #6ea0ff;
  --success: #35c98f;
  --danger: #ff6b6b;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1rem;
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.topbar h1 {
  margin: 0;
  font-size: 1.4rem;
}

.subtitle {
  margin: 0.15rem 0 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 0.75rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem 1rem;
  margin: 0;
}

.kv dt {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.kv dd {
  margin: 0;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

.actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.actions-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.btn {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
}

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

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn:disabled:hover { border-color: var(--border); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

.status {
  font-size: 0.85rem;
  color: var(--text-dim);
}

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

#login-form label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

#login-form input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.6rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  color: var(--text-dim);
  font-weight: 600;
}

td.mono {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.compare-output {
  margin-top: 0.75rem;
  overflow-x: auto;
}

.compare-output table {
  min-width: 480px;
}

.footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  padding: 1.5rem 1rem 2.5rem;
}