/* ================================================================
   Agent 角色平台 - Builder 样式
   ================================================================ */

.builder-layout { display: flex; gap: 20px; flex: 1; overflow: hidden; }
.builder-chat-panel { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.builder-info-bar {
  padding: 12px 16px; background: var(--accent-bg);
  border: 1px solid var(--accent-20); border-radius: var(--radius-lg);
  margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.builder-agent-badge { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--accent); }

.builder-preview-panel {
  width: 400px; background: var(--bg-card); border: 1px solid var(--accent);
  border-radius: var(--radius-lg); display: flex; flex-direction: column;
  flex-shrink: 0; overflow: hidden;
  animation: slideInRight 0.3s ease;
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.builder-config-content { flex: 1; overflow-y: auto; padding: 16px; }
.builder-config-section { margin-bottom: 20px; }
.builder-config-section h4 {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--accent);
  margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border);
}
.builder-config-row { display: flex; gap: 8px; padding: 6px 0; font-size: 12px; line-height: 1.5; }
.builder-config-row .lbl { color: var(--text-muted); min-width: 80px; font-weight: 600; flex-shrink: 0; }
.builder-config-row .val { color: var(--text-primary); word-break: break-word; }

.builder-save-bar {
  padding: 14px 16px; border-top: 1px solid var(--border);
  display: flex; gap: 10px; justify-content: flex-end;
  background: var(--bg-secondary);
}

/* File Upload */
.builder-upload-zone { margin-bottom: 12px; flex-shrink: 0; }
.upload-drop-area {
  border: 2px dashed var(--border); border-radius: var(--radius-lg);
  padding: 16px 20px; text-align: center; cursor: pointer;
  transition: all 0.2s ease; background: var(--bg-secondary);
}
.upload-drop-area:hover, .upload-drop-area.upload-dragover { border-color: var(--accent); background: var(--accent-bg); }
.upload-icon { font-size: 24px; margin-bottom: 6px; }
.upload-text { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.upload-link { color: var(--accent); cursor: pointer; text-decoration: underline; }
.upload-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.upload-file-info {
  display: flex; align-items: center;
  padding: 10px 14px; background: var(--accent-bg);
  border: 1px solid var(--accent-25); border-radius: var(--radius);
  gap: 6px;
}
.upload-file-name {
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.upload-file-size { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }

.builder-file-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; background: var(--accent-bg);
  border: 1px solid var(--accent-20); border-radius: var(--radius);
  font-size: 13px; font-weight: 600; color: var(--accent);
}