.campaign-builder-shell {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.campaign-builder-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 6px 18px rgba(15, 50, 60, 0.08);
}

.campaign-builder-title {
  min-width: 0;
}

.campaign-builder-title strong,
.campaign-builder-title span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.campaign-builder-title span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.campaign-save-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.campaign-save-state::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8b99a0;
  content: "";
}

.campaign-save-state.is-dirty::before {
  background: #d19319;
}

.campaign-save-state.is-saving::before {
  background: #2782b5;
  animation: campaign-save-pulse 0.9s infinite alternate;
}

.campaign-save-state.is-saved::before {
  background: #278b62;
}

.campaign-save-state.is-error::before {
  background: #bd3d35;
}

@keyframes campaign-save-pulse {
  from { opacity: 0.35; }
  to { opacity: 1; }
}

.campaign-builder-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.campaign-builder-step {
  min-height: 46px;
  border: 0;
  border-right: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-weight: 760;
}

.campaign-builder-step:last-child {
  border-right: 0;
}

.campaign-builder-step.is-active {
  background: #e8f4fa;
  color: #164f72;
  box-shadow: inset 0 -3px #2782b5;
}

.campaign-basic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 980px;
}

.campaign-builder-workspace {
  display: grid;
  grid-template-columns: 260px minmax(360px, 1fr) 340px;
  align-items: start;
  min-height: 680px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #dfe9ed;
}

.campaign-builder-sidebar,
.campaign-builder-properties {
  position: sticky;
  top: 86px;
  align-self: start;
  height: calc(100vh - 112px);
  min-height: 640px;
  overflow: auto;
  background: #fff;
}

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

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

.campaign-builder-pane-heading {
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.campaign-builder-pane-heading h3,
.campaign-builder-pane-heading p {
  margin: 0;
}

.campaign-builder-pane-heading p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.campaign-builder-tool-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 10px;
  border-bottom: 1px solid var(--line);
}

.campaign-builder-tool-tab {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: 12px;
  font-weight: 740;
}

.campaign-builder-tool-tab.is-active {
  border-color: #2782b5;
  background: #e8f4fa;
  color: #164f72;
}

.campaign-builder-tool-content,
.campaign-builder-properties-content {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.campaign-section-row {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
}

.campaign-section-row.is-selected {
  border-color: #2782b5;
  box-shadow: 0 0 0 2px rgba(39, 130, 181, 0.12);
}

.campaign-section-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.campaign-section-title button {
  overflow: hidden;
  border: 0;
  background: transparent;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 760;
}

.campaign-section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.campaign-section-actions button,
.campaign-column-chip,
.campaign-block-chip {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: var(--text);
  font-size: 11px;
  font-weight: 700;
}

.campaign-column-list,
.campaign-block-list-v2 {
  display: grid;
  gap: 5px;
}

.campaign-column-chip,
.campaign-block-chip {
  width: 100%;
  padding: 6px 8px;
  text-align: left;
}

.campaign-column-chip.is-selected,
.campaign-block-chip.is-selected {
  border-color: #278b62;
  background: #edf9f4;
  color: #176243;
}

.campaign-preset-grid,
.campaign-layout-grid,
.campaign-block-palette {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.campaign-preset,
.campaign-layout-option,
.campaign-block-option {
  display: grid;
  align-content: start;
  gap: 7px;
  min-height: 86px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  text-align: left;
  font-size: 11px;
  font-weight: 740;
}

.campaign-preset:hover,
.campaign-layout-option:hover,
.campaign-block-option:hover {
  border-color: #2782b5;
  background: #f2f9fc;
}

.campaign-preset-thumbnail,
.campaign-layout-thumbnail {
  display: grid;
  grid-template-columns: repeat(var(--columns, 1), minmax(0, 1fr));
  gap: 3px;
  height: 38px;
  padding: 4px;
  border: 1px solid #b8d7ea;
  background: #e8f4fa;
}

.campaign-preset-thumbnail span,
.campaign-layout-thumbnail span {
  display: block;
  min-width: 0;
  background: #fff;
  border: 1px solid #c9d5da;
}

.campaign-builder-preview-pane {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  min-height: 680px;
  background: #dfe9ed;
}

.campaign-preview-toolbar {
  position: sticky;
  top: 86px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid #c6d5db;
  background: rgba(244, 248, 250, 0.98);
}

.campaign-preview-device {
  display: inline-flex;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
}

.campaign-preview-device button {
  min-height: 32px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 740;
}

.campaign-preview-device button.is-active {
  background: #17345c;
  color: #fff;
}

.campaign-preview-stage {
  display: grid;
  place-items: start center;
  min-width: 0;
  padding: 24px;
  overflow: auto;
}

.campaign-preview-frame {
  width: min(100%, 660px);
  min-height: 620px;
  border: 0;
  background: #fff;
  box-shadow: 0 12px 30px rgba(24, 55, 66, 0.16);
  transition: width 180ms ease;
}

.campaign-preview-frame.is-mobile {
  width: 390px;
  max-width: 100%;
}

.campaign-property-group {
  display: grid;
  gap: 9px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}

.campaign-property-group:last-child {
  border-bottom: 0;
}

.campaign-property-group h4 {
  margin: 0;
  font-size: 13px;
}

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

.campaign-property-grid .field {
  min-width: 0;
}

.campaign-property-grid .span-2 {
  grid-column: 1 / -1;
}

.campaign-media-dropzone {
  display: grid;
  place-items: center;
  gap: 7px;
  min-height: 110px;
  padding: 14px;
  border: 1px dashed #2782b5;
  border-radius: 7px;
  background: #f2f9fc;
  color: #164f72;
  text-align: center;
}

.campaign-media-progress {
  height: 6px;
  overflow: hidden;
  border-radius: 3px;
  background: #d8e4e8;
}

.campaign-media-progress span {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: #278b62;
  transition: width 150ms linear;
}

.campaign-media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.campaign-media-item {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
}

.campaign-media-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 5px;
  background: #edf2f4;
}

.campaign-media-item strong,
.campaign-media-item small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.campaign-media-drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: minmax(0, 1fr) min(760px, 92vw);
  background: rgba(12, 29, 34, 0.5);
}

.campaign-media-drawer-panel {
  grid-column: 2;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 100%;
  overflow: hidden;
  background: #fff;
}

.campaign-media-drawer-header,
.campaign-media-drawer-filters,
.campaign-media-drawer-footer {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.campaign-media-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.campaign-media-drawer-header h3 {
  margin: 0;
}

.campaign-media-drawer-body {
  overflow: auto;
  padding: 16px;
  background: #f4f8fa;
}

.campaign-review-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 14px;
}

.campaign-review-checklist {
  display: grid;
  gap: 8px;
}

.campaign-review-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.campaign-review-item.is-good {
  border-color: #a8d7c3;
  background: #f1faf6;
}

.campaign-review-item.is-warning {
  border-color: #e7c67c;
  background: #fff9eb;
}

@media (max-width: 1180px) {
  .campaign-builder-workspace {
    grid-template-columns: 230px minmax(320px, 1fr) 300px;
  }
}

@media (max-width: 900px) {
  .campaign-builder-header {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .campaign-builder-header .action-row {
    grid-column: 1 / -1;
  }

  .campaign-builder-workspace {
    display: block;
    min-height: 0;
    overflow: visible;
  }

  .campaign-builder-sidebar,
  .campaign-builder-properties {
    position: static;
    height: auto;
    min-height: 0;
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .campaign-builder-preview-pane {
    min-height: 650px;
  }

  .campaign-preview-toolbar {
    top: 0;
  }

  .campaign-basic-grid,
  .campaign-review-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .campaign-builder-header {
    top: 0;
    padding: 9px;
  }

  .campaign-builder-title span {
    display: none;
  }

  .campaign-builder-steps {
    grid-template-columns: repeat(4, minmax(94px, 1fr));
    overflow-x: auto;
  }

  .campaign-builder-step {
    font-size: 12px;
  }

  .campaign-preview-stage {
    padding: 12px 6px;
  }

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

  .campaign-preset-grid,
  .campaign-layout-grid,
  .campaign-block-palette {
    grid-template-columns: 1fr;
  }

  .campaign-media-drawer {
    grid-template-columns: 1fr;
  }

  .campaign-media-drawer-panel {
    grid-column: 1;
  }
}