/* =====================================================================
 * client-files.css — 门户「文件」折叠区（设计文档 100 号 §七 阶段 1）
 * 手机端优先：文字**永不竖排**（writing-mode 固定 horizontal-tb）、按钮
 * 不挤出屏幕（flex-wrap + max-width:100%）、长文件名可断行不撑破卡片。
 * ===================================================================== */
.pt-files { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--line, #eae6dd); }
.pt-files-toggle {
  display: flex; align-items: center; gap: 6px; width: 100%; text-align: left;
  background: none; border: 0; padding: 2px 0; margin: 0; cursor: pointer;
  font-size: 13px; font-weight: 600; color: var(--brand-deep, #0c7a68);
  writing-mode: horizontal-tb; text-orientation: mixed; white-space: normal;
}
.pt-files-toggle .arrow { margin-left: auto; font-weight: 500; color: var(--ink-soft, #56544e); font-size: 12px; }
.pt-files-body { margin-top: 8px; }
.pt-files-hint {
  font-size: 12px; line-height: 1.8; color: var(--ink-soft, #56544e);
  background: #f7faf9; border: 1px solid #e2ecea; border-radius: 8px;
  padding: 8px 10px; margin: 0 0 8px;
  white-space: normal; word-break: break-word;
  writing-mode: horizontal-tb; text-orientation: mixed;
}
.pt-file-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px;
  padding: 8px 0; border-bottom: 1px solid #f1efe9; max-width: 100%;
}
.pt-file-row:last-child { border-bottom: 0; }
.pt-file-row .pt-file-name {
  flex: 1 1 200px; min-width: 0; font-size: 13px; line-height: 1.6;
  color: var(--ink, #2b2a27); word-break: break-all; white-space: normal;
  writing-mode: horizontal-tb; text-orientation: mixed;
}
.pt-file-row .pt-file-meta { font-size: 12px; color: var(--muted, #8a8f99); white-space: nowrap; }
.pt-file-row .pt-file-lock { font-size: 12px; color: var(--warn, #b6791f); }
.pt-file-row .pt-file-btn { width: auto; max-width: 100%; flex: 0 0 auto; white-space: nowrap; }
.pt-file-row.locked { opacity: .6; }
@media (max-width: 560px) {
  .pt-file-row .pt-file-name { flex: 1 1 100%; }
  .pt-file-row .pt-file-btn { width: 100%; flex: 1 1 100%; }
}