:root {
  --bg:#ffffff;
  --text:#18181a;
  --muted:#4b5563;
  --accent:#6aa5ff;
  --radius:14px;
  --shadow:0 8px 24px rgba(0,0,0,.12);
}

body {
  background:var(--bg);
  color:var(--text);
  font:16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

.card, .card-tool {
  border:1px solid #e5e7eb;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  background:#fff;
  transition:box-shadow .15s ease, border-color .15s ease;
}

.card:hover, .card-tool:hover {
  box-shadow:0 16px 32px rgba(0,0,0,.14);
  border-color:#d1d5db;
}

.badge-fw, .badge {
  font-size:12px;
  background:#e0edff;
  color:#1f3a8a;
  border-radius:999px;
  padding:4px 8px;
}

button {
  border:none;
  border-radius:8px;
  cursor:pointer;
  background:#a1b9e4;
}