/* Mingmist Tools v1.5 — PDF form builder */
.pdf-form-builder-shell {
  display: grid;
  grid-template-columns: 176px minmax(420px, 1fr) 306px;
  min-height: 760px;
  border: 1px solid var(--border);
  background: var(--border);
  gap: 1px;
}
.form-builder-page-column,
.form-builder-main-column,
.form-builder-inspector-column { min-width: 0; background: var(--surface); }
.form-builder-page-column,
.form-builder-inspector-column { display: flex; flex-direction: column; }
.form-builder-column-head {
  min-height: 54px;
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.form-builder-column-head strong { font-size: .9rem; }
.form-builder-column-head span { color: var(--muted); font-size: .76rem; }
.form-builder-page-rail { padding: 12px; overflow: auto; display: grid; gap: 10px; align-content: start; }
.form-builder-page-thumb {
  width: 100%;
  padding: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: grid;
  justify-items: center;
  gap: 6px;
  text-align: center;
}
.form-builder-page-thumb:hover,
.form-builder-page-thumb.active { border-color: var(--mist-teal, #1b4f4d); }
.form-builder-page-thumb.active { box-shadow: inset 3px 0 0 var(--mist-teal, #1b4f4d); }
.form-builder-page-thumb canvas { max-width: 100%; height: auto; border: 1px solid var(--border); background: #fff; }
.form-builder-page-thumb span { font-size: .78rem; font-weight: 750; }
.form-builder-page-thumb small { min-height: 16px; color: var(--muted); font-size: .68rem; }
.form-builder-page-limit { margin: 4px 0; color: var(--muted); font-size: .75rem; line-height: 1.45; }

.form-builder-main-column { display: flex; flex-direction: column; min-width: 0; }
.form-builder-source-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  min-height: 58px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.form-builder-source-bar .field { flex: 1 1 250px; }
.form-builder-source-info { color: var(--muted); font-size: .82rem; overflow-wrap: anywhere; }
.form-builder-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.form-builder-tool {
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 750;
}
.form-builder-tool:hover { border-color: var(--border); background: var(--surface); color: var(--text); }
.form-builder-tool.active { border-color: var(--mist-teal, #1b4f4d); background: var(--surface); color: var(--text); }
.form-builder-tool:disabled { opacity: .45; }
.form-builder-navigation {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}
.form-builder-page-control,
.form-builder-zoom-control { display: flex; align-items: center; gap: 7px; }
.form-builder-page-control input { width: 70px; min-height: 34px; padding: 5px 7px; border: 1px solid var(--border); background: var(--surface); color: var(--text); text-align: center; }
.form-builder-zoom-control input { width: 130px; }
.form-builder-zoom-control span { width: 45px; color: var(--muted); font-size: .78rem; }
.form-builder-mode-readout { color: var(--muted); font-size: .8rem; }
.form-builder-mode-readout strong { color: var(--text); }
.form-builder-stage-wrap {
  flex: 1 1 auto;
  min-height: 560px;
  padding: 28px;
  overflow: auto;
  background:
    linear-gradient(45deg, color-mix(in srgb, var(--border) 42%, transparent) 25%, transparent 25%) 0 0 / 18px 18px,
    linear-gradient(-45deg, color-mix(in srgb, var(--border) 42%, transparent) 25%, transparent 25%) 0 0 / 18px 18px,
    linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--border) 42%, transparent) 75%) 0 0 / 18px 18px,
    linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--border) 42%, transparent) 75%) 0 0 / 18px 18px,
    var(--surface-2);
}
.form-builder-canvas-stage {
  position: relative;
  width: fit-content;
  margin: 0 auto;
  line-height: 0;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 16px 40px rgba(11, 22, 40, .14);
}
.form-builder-canvas-stage canvas { display: block; max-width: none; }
#form-builder-overlay-canvas { position: absolute; inset: 0; touch-action: none; }
.form-builder-footer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
}
.form-builder-footer-bar .actions { margin: 0; }

.form-builder-inspector-scroll { padding: 14px; overflow: auto; }
.form-builder-inspector-section { padding: 0 0 18px; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.form-builder-inspector-section:last-child { border-bottom: 0; margin-bottom: 0; }
.form-builder-inspector-section h3 { margin: 0 0 11px; font-size: .88rem; }
.form-builder-inspector-section textarea { min-height: 92px; font-family: var(--sans); }
.form-builder-inspector-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.form-builder-inspector-grid .field + .field { margin-top: 0; }
.form-builder-inspector-grid .full { grid-column: 1 / -1; }
.form-builder-field-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; margin-top: 8px; }
.form-builder-field-list { display: grid; gap: 6px; }
.form-builder-field-list > p,
.form-builder-existing-list > p { margin: 0; padding: 13px; color: var(--muted); background: var(--surface-2); font-size: .8rem; }
.form-builder-field-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-align: left;
}
.form-builder-field-row:hover,
.form-builder-field-row.selected { border-color: var(--mist-teal, #1b4f4d); }
.form-builder-field-row span:first-child { min-width: 0; display: grid; gap: 3px; }
.form-builder-field-row strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .78rem; }
.form-builder-field-row small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: .7rem; }
.form-builder-field-row > span:last-child { color: var(--mist-teal, #1b4f4d); font-size: .68rem; font-weight: 750; }
.form-builder-project-actions { display: grid; gap: 8px; }
.form-builder-project-actions .button { width: 100%; }
.form-builder-name-cloud { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.form-builder-name-cloud code { max-width: 100%; overflow: hidden; text-overflow: ellipsis; padding: 3px 6px; border: 1px solid var(--border); background: var(--surface); font-size: .68rem; }
.form-builder-limit-note { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.5; }
#form-builder-validation:empty { display: none; }
#form-builder-validation ul { margin: 9px 0 0; padding-left: 20px; }
#form-builder-validation p { margin: 4px 0 0; }

@media (max-width: 1160px) {
  .pdf-form-builder-shell { grid-template-columns: 150px minmax(360px, 1fr); }
  .form-builder-inspector-column { grid-column: 1 / -1; }
  .form-builder-inspector-scroll { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  .form-builder-inspector-section { border-bottom: 0; border-right: 1px solid var(--border); padding: 0 18px 0 0; margin: 0; }
  .form-builder-inspector-section:last-child { border-right: 0; }
}

@media (max-width: 760px) {
  .pdf-form-builder-shell { display: flex; flex-direction: column; min-height: 0; }
  .form-builder-page-column { order: 2; }
  .form-builder-main-column { order: 1; }
  .form-builder-inspector-column { order: 3; }
  .form-builder-page-rail { grid-auto-flow: column; grid-auto-columns: 112px; overflow-x: auto; overflow-y: hidden; }
  .form-builder-page-thumb { width: 112px; }
  .form-builder-page-limit { width: 180px; }
  .form-builder-stage-wrap { min-height: 420px; padding: 14px; }
  .form-builder-toolbar { overflow-x: auto; flex-wrap: nowrap; }
  .form-builder-tool { flex: 0 0 auto; }
  .form-builder-navigation { align-items: flex-start; }
  .form-builder-mode-readout { flex: 1 0 100%; }
  .form-builder-inspector-scroll { display: block; }
  .form-builder-inspector-section { border-right: 0; border-bottom: 1px solid var(--border); padding: 0 0 16px; margin: 0 0 16px; }
  .form-builder-footer-bar { align-items: stretch; flex-direction: column; }
  .form-builder-footer-bar .actions { width: 100%; }
  .form-builder-footer-bar .button { flex: 1 1 auto; }
}