:root {
  --builder-ink: #1e2940;
  --builder-soft: #61718f;
  --builder-line: rgba(67, 88, 141, 0.16);
  --builder-panel: rgba(255, 255, 255, 0.96);
  --builder-muted-panel: #f7f9ff;
  --builder-brand: #1d5a88;
  --builder-brand-dark: #144366;
  --builder-accent: #eaf1ff;
  --builder-danger: #a63232;
  --builder-shadow: 0 18px 36px rgba(20, 31, 63, 0.1);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--builder-ink);
  background:
    radial-gradient(circle at 10% 6%, rgba(197, 223, 255, 0.4), transparent 34%),
    radial-gradient(circle at 92% 0, rgba(215, 242, 233, 0.34), transparent 28%),
    linear-gradient(165deg, #f7f9ff 0%, #eff5ff 50%, #fbfdff 100%);
}

.builder-shell {
  max-width: 1280px;
  margin: 20px auto 34px;
  padding: 0 20px 26px;
}

.builder-hero {
  border: 1px solid rgba(113, 141, 227, 0.32);
  border-radius: var(--radius-md);
  padding: 26px 28px 22px;
  color: #eef4ff;
  background:
    radial-gradient(circle at 20% 18%, rgba(117, 230, 199, 0.24), transparent 24%),
    linear-gradient(130deg, #173f67 0%, #215a90 52%, #2f75af 100%);
  box-shadow: 0 20px 42px rgba(19, 52, 89, 0.2);
}

.builder-kicker {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #bfe0ff;
}

.builder-hero h1 {
  margin: 10px 0 12px;
  font: 400 2.8rem/1 var(--site-font-display);
}

.builder-hero p {
  margin: 0;
  max-width: 900px;
  color: #dbe7ff;
  line-height: 1.65;
}

.small-note {
  margin-top: 14px;
  color: #d6e6ff;
  font-size: 0.9rem;
}

.small-note a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.small-note span {
  opacity: 0.65;
  margin: 0 6px;
}

.builder-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.guide-card {
  padding: 16px;
  border: 1px solid var(--builder-line);
  border-radius: var(--radius-md);
  background: var(--builder-panel);
  box-shadow: var(--builder-shadow);
}

.guide-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--builder-accent);
  color: var(--builder-brand);
  font-size: 0.88rem;
  font-weight: 700;
}

.guide-card h2 {
  margin: 12px 0 8px;
  font-size: 1.04rem;
  line-height: 1.2;
}

.guide-card p {
  margin: 0;
  color: var(--builder-soft);
  line-height: 1.6;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}

.builder-main,
.builder-side {
  display: grid;
  gap: 16px;
}

.builder-side {
  position: sticky;
  top: 16px;
}

.panel {
  border: 1px solid var(--builder-line);
  border-radius: var(--radius-md);
  background: var(--builder-panel);
  padding: 16px;
  box-shadow: var(--builder-shadow);
}

.panel-preview {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 249, 255, 0.96));
}

.panel-inner {
  margin-top: 10px;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.2;
}

.panel-head p {
  margin: 8px 0 0;
  color: var(--builder-soft);
  line-height: 1.6;
}

.panel-subhead {
  margin-top: 16px;
}

.panel-subhead h3 {
  margin: 0;
  font-size: 0.98rem;
}

.panel-subhead p {
  margin: 6px 0 0;
  color: var(--builder-soft);
  font-size: 0.9rem;
}

.panel-divider {
  height: 1px;
  margin: 16px 0;
  background: linear-gradient(90deg, rgba(84, 106, 170, 0.1), rgba(84, 106, 170, 0.26), rgba(84, 106, 170, 0.1));
}

.field-grid,
.field-grid-3 {
  display: grid;
  gap: 12px;
}

.field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

label {
  display: block;
  color: var(--builder-soft);
  font-size: 0.92rem;
  font-weight: 500;
}

.label-action {
  align-self: end;
}

.label-spacer {
  display: block;
  height: 18px;
}

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid #cad5ec;
  border-radius: var(--radius-sm);
  padding: 10px 11px;
  background: #ffffff;
  color: var(--builder-ink);
  font: 500 0.95rem/1.4 var(--site-font-body);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.code-area {
  min-height: 190px;
}

.code-area-lg {
  min-height: 260px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #7da0ff;
  box-shadow: 0 0 0 3px rgba(125, 160, 255, 0.14);
}

.check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
}

.check-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--builder-ink);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

button {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid #c8d3f0;
  border-radius: var(--radius-sm);
  background: var(--builder-brand);
  color: #ffffff;
  font: 700 0.9rem/1 var(--site-font-body);
  cursor: pointer;
}

button.builder-button-has-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.builder-btn-label {
  display: inline-block;
}

.builder-btn-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  display: inline-block;
  background-color: currentColor;
  -webkit-mask-image: var(--builder-icon);
  mask-image: var(--builder-icon);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

button:hover {
  background: var(--builder-brand-dark);
}

button.secondary {
  background: #eef3ff;
  color: var(--builder-brand);
  border-color: #cfdaff;
}

button.secondary:hover {
  background: #dde8ff;
}

button.danger {
  background: #b43a3a;
  border-color: #d8aaaa;
}

button.danger:hover {
  background: #9a2d2d;
}

.builder-disclosure {
  border: 1px solid var(--builder-line);
  border-radius: var(--radius-md);
  background: var(--builder-muted-panel);
}

.builder-disclosure + .builder-disclosure {
  margin-top: 12px;
}

.builder-disclosure summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  color: var(--builder-ink);
  font-size: 0.94rem;
  font-weight: 700;
}

.builder-disclosure summary::-webkit-details-marker {
  display: none;
}

.builder-disclosure summary::after {
  content: "+";
  float: right;
  color: var(--builder-brand);
  font-size: 1.15rem;
  line-height: 1;
}

.builder-disclosure[open] summary::after {
  content: "-";
}

.disclosure-body {
  padding: 0 14px 14px;
}

.table-wrap {
  overflow: auto;
  margin-top: 12px;
  border: 1px solid #d8e1f3;
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid #e4ebf9;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f6f9ff;
  color: var(--builder-ink);
}

.status {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

.status.ok {
  color: #185c49;
  border: 1px solid #b6dccf;
  background: #eef9f4;
}

.status.error {
  color: #922a2a;
  border: 1px solid #e8baba;
  background: #fff2f2;
}

.builder-preview {
  margin-top: 14px;
  min-height: 260px;
  padding: 14px;
  border: 1px dashed #cbd8f5;
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, #ffffff, #f7f9ff);
}

.builder-preview .pcc-schema-runtime {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.builder-preview .pcc-form,
.builder-preview .wpcc-preview {
  border-radius: var(--radius-md);
  box-shadow: 0 10px 24px rgba(18, 29, 60, 0.08);
}

.builder-preview .pcc-form input[type="text"],
.builder-preview .pcc-form input[type="number"],
.builder-preview .pcc-form select,
.builder-preview .pcc-form textarea {
  border-radius: var(--radius-sm);
  font-family: var(--site-font-body);
}

@media (max-width: 1080px) {
  .builder-guide,
  .builder-grid {
    grid-template-columns: 1fr;
  }

  .builder-side {
    position: static;
  }
}

@media (max-width: 760px) {
  .builder-shell {
    margin-top: 18px;
    padding: 0 14px 20px;
  }

  .builder-hero {
    padding: 22px 18px 18px;
  }

  .builder-hero h1 {
    font-size: 2.2rem;
  }

  .field-grid,
  .field-grid-3 {
    grid-template-columns: 1fr;
  }
}