:root {
  --gd-blue: #2563eb;
  --gd-dark: #0f172a;
  --gd-muted: #64748b;
  --gd-line: #dbeafe;
  --gd-bg: #f8fbff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--gd-bg);
  color: var(--gd-dark);
  font-family: Arial, Helvetica, sans-serif;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--gd-blue);
}

.gd-rebuild-bar {
  position: sticky;
  top: 0;
  z-index: 9999;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  background: linear-gradient(90deg, #102f4a, #2563eb);
  color: #fff;
  font-size: 13px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, .18);
}

.gd-rebuild-bar span {
  opacity: .86;
}

.gd-form-placeholder {
  border: 1px dashed var(--gd-blue);
  background: #eff6ff;
  border-radius: 16px;
  padding: 20px;
  margin: 18px 0;
  color: var(--gd-dark);
}

.gd-form-placeholder h3 {
  margin: 0 0 8px;
}

.gd-form-placeholder p {
  margin: 0;
  color: var(--gd-muted);
}