.document-template-html-builder-canvas:has(.sn-builder-app) {
  min-height: 780px;
  padding: 0;
  overflow: visible;
  border: 0;
  background: transparent;
}

.sn-builder-app {
  display: grid;
  grid-template-columns: 300px minmax(620px, 1fr) 312px;
  grid-template-rows: 58px minmax(0, 1fr);
  min-height: 780px;
  max-height: min(88vh, 980px);
  background: var(--sn-builder-bg);
  border: 1px solid var(--sn-builder-line);
  border-radius: 12px;
  overflow: hidden;
  color: var(--sn-builder-text);
  font-family: var(--sn-builder-font);
}

.sn-builder-topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--sn-builder-line);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
}

.sn-builder-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.sn-builder-brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #eaf4ff;
  color: var(--sn-builder-blue-dark);
  font-weight: 800;
  font-size: 12px;
}

.sn-builder-brand strong,
.sn-builder-brand small {
  display: block;
  line-height: 1.15;
}

.sn-builder-brand small {
  color: var(--sn-builder-muted);
  font-size: 11px;
}

.sn-builder-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.sn-builder-button,
.sn-builder-icon-button,
.sn-builder-tool-button,
.sn-builder-mini-button {
  min-height: 32px;
  border: 1px solid var(--sn-builder-line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--sn-builder-text);
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}

.sn-builder-button {
  padding: 0 12px;
  font-weight: 700;
}

.sn-builder-icon-button,
.sn-builder-tool-button {
  min-width: 34px;
  padding: 0 9px;
  font-weight: 800;
  font-size: 12px;
}

.sn-builder-button:hover,
.sn-builder-icon-button:hover,
.sn-builder-tool-button:hover,
.sn-builder-mini-button:hover {
  border-color: var(--sn-builder-blue);
  background: #f4f9ff;
}

.sn-builder-button.is-primary {
  border-color: var(--sn-builder-blue);
  background: linear-gradient(135deg, #2685f2, #165cba);
  color: #fff;
  box-shadow: 0 10px 24px rgba(31, 122, 224, .22);
}

.sn-builder-zoom-label {
  min-width: 48px;
  text-align: center;
  font-size: 12px;
  color: var(--sn-builder-muted);
}

.sn-builder-sidebar,
.sn-builder-inspector {
  min-height: 0;
  overflow: auto;
  background: rgba(255, 255, 255, .86);
}

.sn-builder-sidebar {
  border-right: 1px solid var(--sn-builder-line);
  padding: 14px;
}

.sn-builder-inspector {
  border-left: 1px solid var(--sn-builder-line);
}

.sn-builder-workspace {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
}

.sn-builder-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--sn-builder-line);
  background: #fbfdff;
  overflow-x: auto;
}

.sn-builder-toolbar-group {
  display: flex;
  gap: 6px;
  min-width: max-content;
}

.sn-builder-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 14px;
  border-bottom: 1px solid var(--sn-builder-line);
  color: var(--sn-builder-muted);
  background: #fff;
  font-size: 12px;
}

.sn-builder-canvas-wrap,
.sn-builder-canvas-host,
.sn-builder-canvas-viewport {
  min-width: 0;
  min-height: 0;
  height: 100%;
}

.sn-builder-canvas-host {
  outline: 0;
}

.sn-builder-canvas-viewport {
  position: relative;
  overflow: auto;
  background:
    linear-gradient(90deg, rgba(23, 32, 51, .05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 32, 51, .05) 1px, transparent 1px),
    var(--sn-builder-bg);
  background-size: 32px 32px;
}

.sn-builder-page-rail {
  display: grid;
  justify-content: center;
  gap: 34px;
  min-width: max-content;
  padding: 88px 104px 108px;
}

.sn-builder-page-shell {
  position: relative;
}

.sn-builder-page-label,
.sn-builder-page-number {
  position: absolute;
  left: 0;
  color: var(--sn-builder-muted);
  font-size: 11px;
  font-weight: 800;
}

.sn-builder-page-label {
  top: -58px;
}

.sn-builder-page-number {
  right: 0;
  bottom: -22px;
  left: auto;
}

.sn-builder-page {
  position: relative;
  transform-origin: 0 0;
  background: #fff;
  box-shadow: var(--sn-builder-shadow);
  overflow: hidden;
}

.sn-builder-page-shell.is-active .sn-builder-page {
  outline: 2px solid rgba(31, 122, 224, .38);
  outline-offset: 8px;
}

.sn-builder-print-safe-area {
  position: absolute;
  inset: 48px;
  border: 1px dashed rgba(31, 122, 224, .25);
  pointer-events: none;
}

.sn-builder-page-header {
  position: absolute;
  z-index: 30;
  top: 24px;
  right: 48px;
  left: 48px;
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px solid rgba(0, 111, 192, .2);
  border-bottom: 3px solid #006fc0;
  border-radius: 7px;
  background:
    linear-gradient(180deg, rgba(232, 242, 255, .92), rgba(255, 255, 255, .98));
  box-shadow: 0 8px 24px rgba(15, 23, 42, .08);
  padding: 0 12px;
  pointer-events: auto;
}

.sn-builder-page-header.has-logo {
  gap: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.sn-builder-page-header::before {
  content: "HEADER";
  position: absolute;
  top: -11px;
  left: 10px;
  border-radius: 999px;
  background: #006fc0;
  color: #fff;
  padding: 2px 7px;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .06em;
}

.sn-builder-page-header-logo {
  display: flex;
  flex: 0 0 160px;
  align-items: center;
  height: 100%;
}

.sn-builder-page-header.has-logo .sn-builder-page-header-logo {
  flex: 1 1 100%;
  justify-content: center;
  width: 100%;
}

.sn-builder-page-header-logo img {
  max-width: 150px;
  max-height: calc(100% - 10px);
  object-fit: contain;
}

.sn-builder-page-header.has-logo .sn-builder-page-header-logo img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
  object-position: center;
}

.sn-builder-page-header-logo-empty {
  display: inline-grid;
  place-items: center;
  width: 92px;
  height: 34px;
  border: 1px dashed #94a3b8;
  color: #64748b;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.sn-builder-page-header-title {
  flex: 1;
  color: var(--sn-builder-text);
  font-size: 13px;
  font-weight: 800;
  text-align: right;
}

.sn-builder-page-header.has-logo .sn-builder-page-header-title:empty {
  display: none;
}

.sn-builder-page-header.has-logo .sn-builder-page-header-title:not(:empty) {
  position: absolute;
  right: 0;
  bottom: 0;
  border-radius: 5px 0 0 0;
  background: rgba(255, 255, 255, .84);
  padding: 3px 6px;
}

.sn-builder-page-footer {
  position: absolute;
  z-index: 30;
  right: 48px;
  bottom: 24px;
  left: 48px;
  min-height: 34px;
  border: 1px solid rgba(0, 111, 192, .18);
  border-top: 2px solid #006fc0;
  border-radius: 7px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(242, 247, 252, .94));
  box-shadow: 0 -8px 22px rgba(15, 23, 42, .06);
  padding: 10px 12px 6px;
  color: #475569;
  font-size: 10px;
  font-weight: 700;
  text-align: center;
  pointer-events: auto;
}

.sn-builder-page-footer::before {
  content: "FOOTER";
  position: absolute;
  top: -11px;
  left: 10px;
  border-radius: 999px;
  background: #0f766e;
  color: #fff;
  padding: 2px 7px;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .06em;
}

.sn-builder-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(31, 122, 224, .016) 1px, transparent 1px),
    linear-gradient(180deg, rgba(31, 122, 224, .016) 1px, transparent 1px);
  background-size: 18px 18px;
  pointer-events: none;
}

.sn-builder-ruler {
  display: none;
}

.sn-builder-page-ruler {
  position: absolute;
  z-index: 4;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, .45);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(241, 245, 249, .96));
  box-shadow: 0 8px 18px rgba(15, 23, 42, .06);
  color: #53627a;
  pointer-events: none;
  user-select: none;
}

.sn-builder-page-ruler.is-horizontal {
  top: -34px;
  left: 0;
  height: 24px;
  border-radius: 6px 6px 0 0;
}

.sn-builder-page-ruler.is-vertical {
  top: 0;
  left: -34px;
  width: 24px;
  border-radius: 6px 0 0 6px;
}

.sn-builder-page-ruler-tick {
  position: absolute;
  color: #64748b;
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
}

.sn-builder-page-ruler.is-horizontal .sn-builder-page-ruler-tick {
  bottom: 0;
  width: 1px;
  height: 8px;
  border-left: 1px solid #94a3b8;
  padding: 2px 0 0 3px;
}

.sn-builder-page-ruler.is-horizontal .sn-builder-page-ruler-tick.is-major {
  height: 15px;
  border-left-color: #475569;
}

.sn-builder-page-ruler.is-vertical .sn-builder-page-ruler-tick {
  right: 0;
  width: 8px;
  height: 1px;
  border-top: 1px solid #94a3b8;
  padding: 2px 0 0 2px;
}

.sn-builder-page-ruler.is-vertical .sn-builder-page-ruler-tick.is-major {
  width: 15px;
  border-top-color: #475569;
}

.sn-builder-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 10px;
  color: var(--sn-builder-muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.sn-builder-panel-head strong {
  color: var(--sn-builder-blue);
  letter-spacing: .08em;
}

.sn-builder-search,
.sn-builder-field input,
.sn-builder-field select,
.sn-builder-field textarea {
  width: 100%;
  min-height: 34px;
  border: 1px solid var(--sn-builder-line-strong);
  border-radius: 8px;
  background: #fff;
  padding: 7px 9px;
  color: var(--sn-builder-text);
}

.sn-builder-search {
  margin-bottom: 14px;
}

.sn-builder-sidebar-list,
.sn-builder-template-list,
.sn-builder-layer-list {
  display: grid;
  gap: 10px;
}

.sn-builder-sidebar-category {
  display: grid;
  gap: 8px;
}

.sn-builder-sidebar-category h4,
.sn-builder-property-section h4 {
  margin: 0;
  color: var(--sn-builder-text);
  font-size: 12px;
}

.sn-builder-tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.sn-builder-tool,
.sn-builder-token-tool,
.sn-builder-template-card {
  border: 1px solid var(--sn-builder-line);
  border-radius: 8px;
  background: #fff;
  color: var(--sn-builder-text);
}

.sn-builder-tool {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 7px 8px;
  text-align: left;
  font-size: 12px;
  line-height: 1.18;
}

.sn-builder-tool-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 28px;
  border-radius: 7px;
  border: 1px solid rgba(31, 122, 224, .12);
  background:
    linear-gradient(135deg, rgba(237, 246, 255, .98), rgba(219, 235, 255, .78));
  color: var(--sn-builder-blue-dark);
  overflow: hidden;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

.sn-builder-tool-label {
  min-width: 0;
  color: #172033;
  font-weight: 700;
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.sn-builder-token-grid {
  display: grid;
  gap: 7px;
  max-height: 228px;
  overflow: auto;
  padding-right: 3px;
}

.sn-builder-token-tool {
  display: grid;
  gap: 4px;
  min-height: 46px;
  padding: 8px 9px;
  text-align: left;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  box-shadow: inset 3px 0 0 rgba(31, 122, 224, .18);
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.sn-builder-token-tool:hover {
  border-color: rgba(31, 122, 224, .55);
  background: #f8fbff;
  box-shadow: inset 3px 0 0 var(--sn-builder-blue), 0 8px 18px rgba(31, 122, 224, .08);
}

.sn-builder-token-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 8px;
}

.sn-builder-token-head small {
  color: var(--sn-builder-muted);
  font-size: 10px;
  font-weight: 800;
}

.sn-builder-token-value,
.sn-builder-token-label {
  min-width: 0;
}

.sn-builder-token-value {
  color: #1d4ed8;
  font-size: 10px;
  font-weight: 900;
  line-height: 1.2;
  overflow-wrap: anywhere;
  white-space: normal;
}

.sn-builder-token-label {
  color: #64748b;
  font-family: var(--sn-builder-font);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sn-builder-check-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-width: 74px;
  min-height: 32px;
  border: 1px solid var(--sn-builder-line-strong);
  border-radius: 999px;
  background: #fff;
  padding: 4px 9px 4px 5px;
  color: #334155;
  cursor: pointer;
}

.sn-builder-check-control input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.sn-builder-check-box {
  position: relative;
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 1px solid #bfd0e5;
  border-radius: 7px;
  background: #f8fafc;
}

.sn-builder-check-box::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 7px;
  width: 6px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  opacity: 0;
  transform: rotate(42deg);
}

.sn-builder-check-control input:checked + .sn-builder-check-box {
  border-color: var(--sn-builder-blue);
  background: linear-gradient(135deg, #2685f2, #165cba);
  box-shadow: 0 6px 14px rgba(31, 122, 224, .22);
}

.sn-builder-check-control input:checked + .sn-builder-check-box::after {
  opacity: 1;
}

.sn-builder-check-text {
  font-size: 11px;
  font-weight: 900;
}

.sn-builder-template-card {
  display: grid;
  gap: 4px;
  padding: 10px;
  text-align: left;
}

.sn-builder-template-card span {
  color: var(--sn-builder-muted);
  font-size: 11px;
  line-height: 1.35;
}

.sn-builder-properties,
.sn-builder-layers {
  padding: 14px;
}

.sn-builder-properties {
  border-bottom: 1px solid var(--sn-builder-line);
}

.sn-builder-property-section {
  display: grid;
  gap: 8px;
  padding: 11px 0;
  border-top: 1px solid var(--sn-builder-line);
}

.sn-builder-field {
  display: grid;
  gap: 5px;
  color: var(--sn-builder-muted);
  font-size: 11px;
  font-weight: 700;
}

.sn-builder-property-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.sn-builder-grid-selection-label {
  min-height: 30px;
  padding: 7px 9px;
  border: 1px solid var(--sn-builder-line);
  border-radius: 8px;
  background: #f8fafc;
  color: #475569;
  font-size: 11px;
  font-weight: 700;
}

.sn-builder-grid-cell-controls {
  display: grid;
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(31, 122, 224, .2);
  border-radius: 8px;
  background: rgba(239, 246, 255, .46);
}

.sn-builder-helper-note {
  margin: 0;
  border: 1px dashed rgba(37, 99, 235, .28);
  border-radius: 8px;
  background: rgba(239, 246, 255, .78);
  padding: 8px 9px;
  color: #475569;
  font-size: 11px;
  line-height: 1.35;
}

.sn-builder-grid-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sn-builder-grid-action {
  min-width: 44px;
}

.sn-builder-empty-state {
  border: 1px dashed var(--sn-builder-line-strong);
  border-radius: 8px;
  padding: 14px;
  color: var(--sn-builder-muted);
  background: #f8fafc;
  font-size: 12px;
  line-height: 1.35;
}

.sn-builder-layer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 6px;
  align-items: center;
  min-height: 34px;
  padding: 5px;
  border: 1px solid var(--sn-builder-line);
  border-radius: 8px;
  background: #fff;
}

.sn-builder-layer-row.is-selected {
  border-color: var(--sn-builder-blue);
  box-shadow: 0 0 0 2px rgba(31, 122, 224, .14);
}

.sn-builder-layer-name {
  min-width: 0;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--sn-builder-text);
  font-weight: 700;
}

.sn-builder-mini-button {
  min-height: 24px;
  padding: 0 7px;
  font-size: 10px;
}

.sn-builder-drag-preview {
  position: fixed;
  z-index: 99999;
  top: 0;
  left: 0;
  pointer-events: none;
  border: 1px solid var(--sn-builder-line-strong);
  border-radius: 8px;
  background: #fff;
  padding: 8px 10px;
  box-shadow: var(--sn-builder-shadow);
  color: var(--sn-builder-text);
  font-size: 12px;
  opacity: .82;
}

.sn-builder-drag-preview.is-valid {
  border-color: var(--sn-builder-green);
}

.sn-builder-context-menu {
  position: fixed;
  z-index: 99998;
  display: grid;
  min-width: 172px;
  padding: 6px;
  border: 1px solid var(--sn-builder-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--sn-builder-shadow);
}

.sn-builder-context-menu button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 8px 10px;
  text-align: left;
  color: var(--sn-builder-text);
}

.sn-builder-context-menu button:hover {
  background: #edf6ff;
}

@media (max-width: 1180px) {
  .sn-builder-app {
    grid-template-columns: 240px minmax(520px, 1fr);
  }

  .sn-builder-inspector {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    max-height: 360px;
    border-top: 1px solid var(--sn-builder-line);
    border-left: 0;
  }
}