.article-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: auto var(--toolbar-height) 1fr;
  height: 100vh;
}
.article-header { grid-column: 1 / -1; }
.article-toolbar { grid-column: 1 / -1; }

.paragraph-panel {
  grid-row: 3;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-md);
}
.paragraph-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.paragraph-panel-header h4 { font-size: var(--fs-sm); color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.paragraph-list { flex: 1; overflow-y: auto; padding: var(--spacing-sm); }

.paragraph-item {
  display: flex; align-items: center; gap: var(--spacing-sm);
  padding: 8px 10px; border-radius: var(--radius-md);
  font-size: var(--fs-sm); cursor: grab;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  margin-bottom: 2px;
  border-bottom: 1px solid lightgrey;
}
.paragraph-item:hover { background: var(--bg-surface-hover); box-shadow: var(--shadow-inset); }
.paragraph-item.active { background: var(--accent); color: var(--text-on-accent); border-color: var(--accent); }
.paragraph-item .paragraph-grip { color: var(--text-muted); cursor: grab; }
.paragraph-item .paragraph-preview { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.paragraph-item .paragraph-style-badge { font-size: var(--fs-xs); color: var(--text-muted); }

.article-main {
  grid-row: 3;
  display: flex; flex-direction: column;
  overflow: hidden;
}

.article-name-bar {
  display: flex; align-items: center; gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}
.article-name-bar label { font-size: var(--fs-xs); color: var(--text-secondary); white-space: nowrap; }
.article-name-bar input { flex: 1; }

.article-editing-area {
  flex: 1; overflow-y: auto;
  padding: var(--spacing-xl);
  display: flex; justify-content: center;
  background: #e8e8e8;
}
.article-content-frame {
  width: 100%; max-width: 800px;
  background: var(--bg-canvas); color: var(--text-dark);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid lightgray;
  min-height: 400px;
  overflow: hidden;
}
.article-paragraph {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px dashed #ccc;
  position: relative;
  min-height: 60px;
  outline: none;
}
.article-paragraph:focus { background: rgba(137, 196, 137, 0.08); }
.article-paragraph:last-child { border-bottom: none; }
.article-paragraph-style-indicator {
  position: absolute; top: 4px; right: 8px;
  font-size: 10px; color: #999;
  background: #f0f0f0; padding: 1px 6px; border-radius: 3px;
}

.article-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}