:root {
  --dubow-blue: #00a6df;
  --dubow-blue-dark: #008fc1;
  --dubow-dark: #0f141b;
  --dubow-gray: #63666a;
  --page-bg: #f5f7fa;
  --border: #d9dee7;
  --text: #1f2937;
  --muted: #667085;
  --success-bg: #eefaf2;
  --warning-bg: #fff8e6;
  --shadow: 0 12px 28px rgba(15, 20, 27, 0.18);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--page-bg);
}
#jsonBuilderOverlay,
.modal-overlay {
  position: fixed !important;
  inset: 0 !important;
  z-index: 99999 !important;
}

#jsonBuilderOverlay .json-builder-modal,
.modal-overlay .json-builder-modal {
  position: relative !important;
  z-index: 100000 !important;
}

/* Optional: prevent page/header interactions while modal is open */
body.json-builder-open {
  overflow: hidden;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 28px;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 4px 18px rgba(15, 20, 27, 0.08);
}

.brand-wrap { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-logo { width: 154px; max-height: 46px; object-fit: contain; }
.brand-fallback { font-size: 30px; font-weight: 800; color: var(--dubow-gray); }
.version-pill { display: inline-flex; align-items: center; padding: 6px 11px; border-radius: 999px; background: #f0f1f3; color: #444; font-size: 14px; white-space: nowrap; }
.top-actions { display: flex; gap: 16px; }
.top-action { border: 0; border-radius: 999px; color: #fff; font-size: 15px; font-weight: 700; padding: 12px 22px; box-shadow: 0 8px 20px rgba(0, 126, 171, 0.28); cursor: pointer; }
.top-action.primary, .top-action.secondary { background: var(--dubow-blue); }
.top-action:hover { background: var(--dubow-blue-dark); }

.page-shell { display: grid; grid-template-columns: 263px 1fr; min-height: calc(100vh - 74px); }
.side-nav { background: #10151b; padding: 28px 0; }
.side-nav a { display: block; padding: 13px 32px; color: #fff; font-size: 16px; font-weight: 700; text-decoration: none; }
.side-nav a.active, .side-nav a:hover { background: rgba(255, 255, 255, 0.08); }
.content-card { max-width: 980px; margin: 48px auto; padding: 34px; background: #fff; border: 1px solid #e4e8ef; border-radius: 12px; box-shadow: 0 8px 24px rgba(15, 20, 27, 0.08); }
h1, h2, h3, h4, p { margin-top: 0; }
.lead { color: var(--muted); font-size: 18px; line-height: 1.55; }
.notice { padding: 14px 16px; border-radius: 8px; border-left: 4px solid #f59e0b; margin: 20px 0 30px; }
.notice.warning { background: var(--warning-bg); }

.modal-overlay { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; background: rgba(8, 13, 20, 0.72); }
.modal-overlay.open { display: flex; }
.modal-panel { width: min(1480px, 98vw); max-height: 94vh; overflow: hidden; display: flex; flex-direction: column; background: #fff; border-radius: 16px; box-shadow: var(--shadow); }
.modal-header { display: flex; justify-content: space-between; align-items: flex-start; padding: 22px 26px; border-bottom: 1px solid var(--border); }
.modal-header h2 { margin: 0 0 4px; }
.modal-header p { margin: 0; color: var(--muted); }
.icon-button { width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 999px; background: #fff; font-size: 26px; line-height: 1; cursor: pointer; }
.icon-button:hover { border-color: var(--dubow-blue); color: var(--dubow-blue-dark); }

.builder-grid { display: grid; grid-template-columns: minmax(530px, 0.95fr) minmax(420px, 1.05fr); gap: 0; min-height: 0; overflow: hidden; }
.builder-form, .json-output-panel { max-height: calc(94vh - 88px); overflow: auto; padding: 22px 26px 28px; }
.builder-form { border-right: 1px solid var(--border); }
.form-section { margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid #eef1f5; }
.form-section h3 { margin-bottom: 12px; font-size: 17px; }
.section-title-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 4px; }
.section-title-row h3 { margin: 0; }
.section-help { color: var(--muted); font-size: 13px; line-height: 1.4; margin-bottom: 14px; }
.field-grid { display: grid; gap: 12px; }
.field-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
label { display: flex; flex-direction: column; gap: 6px; color: #344054; font-size: 13px; font-weight: 700; }
input, select { width: 100%; border: 1px solid #cfd6e1; border-radius: 8px; padding: 10px 11px; color: #1f2937; font-size: 14px; background: #fff; }
input:focus, select:focus { border-color: var(--dubow-blue); outline: 3px solid rgba(0, 166, 223, 0.16); }
.optional-row { margin-top: 12px; }
.toggle-row { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-top: 12px; }
.toggle-row label { flex-direction: row; align-items: center; font-weight: 600; }
.toggle-row input { width: auto; }
.form-actions, .output-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button { border: 1px solid transparent; border-radius: 8px; padding: 10px 14px; font-size: 14px; font-weight: 700; cursor: pointer; }
.button.primary { background: var(--dubow-blue); color: #fff; }
.button.primary:hover { background: var(--dubow-blue-dark); }
.button.secondary { border-color: #cfd6e1; background: #fff; color: #344054; }
.button.secondary:hover { border-color: var(--dubow-blue); color: var(--dubow-blue-dark); }
.button.danger { border-color: #fecaca; background: #fff; color: #b42318; }
.button.small { padding: 7px 10px; font-size: 12px; }

.repeater-list { display: flex; flex-direction: column; gap: 16px; }
.repeater-card { border: 1px solid #dbe3ee; border-radius: 12px; background: #fbfcfe; padding: 14px; }
.repeater-card.part-card { background: #fff; margin-top: 12px; }
.repeater-card.design-card { background: #f8fafc; margin-top: 10px; }
.repeater-header { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; }
.repeater-header h4 { margin: 0; font-size: 15px; }
.repeater-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.parts-list, .designs-list { display: flex; flex-direction: column; gap: 12px; }
.required-note { color: #b42318; font-size: 12px; font-weight: 600; margin-top: 6px; }

.output-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
.output-header h3 { margin-bottom: 5px; }
.output-header p { margin: 0; color: var(--muted); font-size: 13px; }
.json-box { min-height: 560px; margin: 0; padding: 16px; overflow: auto; border: 1px solid #cfd6e1; border-radius: 10px; background: #10151b; color: #e7edf5; font: 13px/1.45 Consolas, Monaco, 'Courier New', monospace; white-space: pre; }
.validation-card { margin-top: 14px; padding: 14px 16px; border: 1px solid #d6ebdd; border-radius: 10px; background: var(--success-bg); }
.validation-card h4 { margin-bottom: 8px; }
.validation-card ul { margin: 0; padding-left: 20px; color: #365442; }

@media (max-width: 980px) {
  .page-shell { grid-template-columns: 1fr; }
  .side-nav { display: none; }
  .builder-grid { grid-template-columns: 1fr; }
  .builder-form { border-right: 0; border-bottom: 1px solid var(--border); }
  .field-grid.two, .field-grid.three { grid-template-columns: 1fr; }
  .topbar { padding: 0 14px; }
  .version-pill, .top-action.secondary { display: none; }
}

/* Explicitly keep dynamic sections hidden even when other selectors set display values. */
[hidden] {
  display: none !important;
}

.modal-disclaimer {
  padding: 12px 26px;
  border-bottom: 1px solid var(--border);
  background: #fff8e6;
  color: #5f4400;
  font-size: 14px;
  line-height: 1.45;
}

.size-card {
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed #cfd6e1;
  border-radius: 10px;
  background: #fbfcfe;
}

.size-list,
.personalization-box,
.preview-box {
  margin-top: 12px;
}

.inline-help {
  margin: 8px 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.personalization-box,
.preview-box {
  padding: 12px;
  border: 1px solid #dbe3ee;
  border-radius: 10px;
  background: #fff;
}

.validation-card.has-warnings {
  border-color: #f7d58a;
  background: #fff8e6;
}

.validation-card.has-errors {
  border-color: #fecaca;
  background: #fff1f1;
}

.validation-card .error-note {
  color: #b42318;
  font-weight: 700;
}

.validation-card .warning-note {
  color: #8a5a00;
}