$primary: #6366f1;

// ─── Shell ────────────────────────────────────────────────────────────────────
.editor-shell {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

// ─── Tab Nav ──────────────────────────────────────────────────────────────────
.editor-tabs {
  display: flex;
  border-bottom: 1px solid #e5e7eb;
  padding: 0 16px;
  flex-shrink: 0;
}

.tab-btn {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #6b7280;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;

  &:hover { color: #111827; }

  &.active {
    color: $primary;
    border-bottom-color: $primary;
  }
}

// ─── Generic Tab Content ──────────────────────────────────────────────────────
.tab-content {
  padding: 24px;
  flex: 1;
  overflow-y: auto;

  .tab-hint {
    font-size: 14px;
    color: #9ca3af;
    margin: 0;
  }
}

.preview-area {
  background: #f9fafb;
}

// ─── Layout Split ─────────────────────────────────────────────────────────────
.editor-layout-split {
  display: flex;
  height: 100%;
  overflow: hidden;
}

// ─── Container Canvas ─────────────────────────────────────────────────────────
.container-canvas {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  border-right: 1px solid #e5e7eb;
}

.container-row {
  border: 1.5px solid #e5e7eb;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;

  &:hover { border-color: #d1d5db; }

  &.selected {
    border-color: $primary;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  }
}

.container-type-label {
  font-size: 11px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.container-zones {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.block-chip {
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid #d1d5db;
  border-radius: 16px;
  cursor: pointer;
  color: #374151;
  background: #fff;
  transition: background 0.2s, border-color 0.2s, color 0.2s;

  &:hover { border-color: $primary; }

  &.selected {
    background: $primary;
    border-color: $primary;
    color: #fff;
  }
}

.add-block-btn {
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 500;
  background: #f3f4f6;
  border: 1px dashed #d1d5db;
  border-radius: 16px;
  color: #6b7280;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;

  &:hover { background: #e0e7ff; border-color: $primary; color: $primary; }
}

.add-container-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;

  select {
    flex: 1;
    padding: 7px 10px;
    font-size: 13px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #fff;
    color: #374151;
    outline: none;

    &:focus { border-color: $primary; }
  }

  button {
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 600;
    background: $primary;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;

    &:hover { background: #4f46e5; }
  }
}

// ─── Block Props Panel ────────────────────────────────────────────────────────
.block-props-panel {
  width: 320px;
  flex-shrink: 0;
  padding: 16px;
  overflow-y: auto;
  background: #fafafa;

  h4 {
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
}

.panel-hint {
  font-size: 13px;
  color: #9ca3af;
  text-align: center;
  padding: 40px 0;
}

.props-editor {
  width: 100%;
  height: 300px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  padding: 8px;
  box-sizing: border-box;
  resize: vertical;
  outline: none;
  color: #111827;
  background: #fff;

  &:focus { border-color: $primary; }
}

.save-indicator {
  font-size: 11px;
  color: #9ca3af;
  margin-top: 8px;
  transition: color 0.3s;

  &.saving { color: #f59e0b; }
}