:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --border: #334155;
}

* { box-sizing: border-box; }

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

header {
  padding: 24px 32px 8px;
}
header h1 { margin: 0; font-size: 1.6rem; }
header .sub { margin: 4px 0 0; color: var(--muted); }

main { padding: 16px 32px 64px; }

.connections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.conn-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}
.conn-card h2 { margin: 0 0 12px; font-size: 1.1rem; }

label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 10px;
}
input, select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.92rem;
}
input:focus, select:focus { outline: 2px solid var(--accent); }

.actions {
  margin: 20px 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.92rem;
  font-weight: 600;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
.primary { background: var(--accent); color: #06283d; }
.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}
button.ok { background: var(--green); color: #052e16; }

.status { color: var(--muted); }
.status.error { color: var(--red); }

.results.hidden { display: none; }

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.pill {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
}
.pill.total { border-color: var(--accent); }

.target-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 18px;
}
.target-bar label { display: inline; margin: 0; color: var(--text); }
.target-bar input[type="radio"] { display: inline; width: auto; }
.target-bar button { margin-left: auto; }

.diff-list { display: flex; flex-direction: column; gap: 14px; }

.diff-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.diff-card.status-only_in_a { border-left-color: var(--accent); }
.diff-card.status-only_in_b { border-left-color: var(--green); }
.diff-card.status-different { border-left-color: var(--amber); }

.diff-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.diff-label { font-weight: 600; }
.badge {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-only_in_a { background: rgba(56,189,248,0.15); color: var(--accent); }
.badge-only_in_b { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-different { background: rgba(245,158,11,0.15); color: var(--amber); }

pre.sql {
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  margin: 0 0 10px;
  white-space: pre;
}

.no-action { color: var(--muted); font-style: italic; margin: 4px 0 0; }
.empty { color: var(--muted); text-align: center; padding: 40px; }