/* CSV ↔ JSON 转换器 UI(中英页共用) */
.csvc-actions {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin: 0 0 16px;
}
.csvc-actions button {
  font: inherit; font-size: 13px; font-weight: 500;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  border-radius: 999px; padding: 8px 20px; cursor: pointer;
  transition: opacity .12s, transform .12s;
}
.csvc-actions button:active { transform: scale(.97); }
.csvc-actions button.primary { background: var(--dark-btn); border-color: var(--dark-btn); color: #fff; }
.csvc-actions button.primary:hover { opacity: .88; }
.csvc-actions button:disabled { opacity: .45; cursor: not-allowed; }

.csvc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 860px) { .csvc-grid { grid-template-columns: 1fr; } }
.csvc-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.csvc-card h2 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--text2); }
.csvc-card textarea {
  flex: 1; width: 100%; min-height: 300px; resize: vertical;
  font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; line-height: 1.6;
  border: 1px solid var(--border); border-radius: 10px; padding: 12px;
  background: var(--bg); color: var(--text);
}
.csvc-status { text-align: center; font-size: 12.5px; color: var(--text2); margin-top: 12px; min-height: 18px; }