:root {
  --primary: #0f766e;
  --accent: #22d3ee;
  --bg: #f8fafc;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 10px;
}

* { box-sizing: border-box; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  margin: 0;
  color: #0f172a;
}

header {
  background: var(--primary);
  color: white;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.05);
}

.flex { display: flex; gap: 18px; }
.flex > * { flex: 1; }

.palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: white;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
.button.secondary {
  background: white;
  color: var(--primary);
}

.field-list {
  min-height: 200px;
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: #f8fafc;
}

.field-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 10px;
  cursor: move;
}

.field-item header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  color: inherit;
  padding: 0;
}

.label { font-size: 14px; color: var(--muted); display: block; margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="number"], textarea, select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.rule-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rule-item { padding: 10px; border: 1px solid var(--border); border-radius: 8px; background: white; }

.badge { background: #ecfeff; color: #0f172a; padding: 4px 8px; border-radius: 9999px; font-size: 12px; }

.form-runtime .hidden { display: none !important; }

.alert { padding: 10px 14px; background: #f8fafc; border-radius: 8px; border: 1px solid var(--border); }

@media (max-width: 800px) {
  .flex { flex-direction: column; }
  header { flex-direction: column; align-items: flex-start; gap: 12px; }
}