/* 站点补充样式：自定义弹层、提示与 Element Plus 组件替代结构。 */
.darktrial-welcome-page .dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, .62);
  backdrop-filter: blur(6px);
}
.darktrial-welcome-page .dialog-overlay[hidden] { display: none; }
.darktrial-welcome-page .dialog-panel {
  width: 100%;
  max-width: 460px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: linear-gradient(165deg, #0a0a1a, #141428, #0a0a14);
  border: 1px solid rgba(129, 140, 248, .2);
  border-radius: 20px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, .7), 0 0 0 1px rgba(129, 140, 248, .08) inset;
  animation: dtDialogIn .28s cubic-bezier(.4, 0, .2, 1);
}
@keyframes dtDialogIn {
  from { opacity: 0; transform: translateY(14px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.darktrial-welcome-page .dialog-body { padding: 0 28px 28px; }
.darktrial-welcome-page .dialog-footer { padding-top: 8px; }

.darktrial-welcome-page .history-panel { max-width: 520px; }
.darktrial-welcome-page .history-list { display: flex; flex-direction: column; gap: 10px; }
.darktrial-welcome-page .history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
}
.darktrial-welcome-page .history-meta { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.darktrial-welcome-page .history-title { font-size: 14px; font-weight: 600; color: #f1f5f9; }
.darktrial-welcome-page .history-sub { font-size: 12px; color: #94a3b8; }
.darktrial-welcome-page .history-link {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 9px;
  background: rgba(129, 140, 248, .18);
  border: 1px solid rgba(129, 140, 248, .35);
  color: #c7d2fe;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
}
.darktrial-welcome-page .history-link:hover { background: rgba(129, 140, 248, .28); color: #fff; }
.darktrial-welcome-page .history-empty { padding: 22px 4px; text-align: center; color: #94a3b8; font-size: 13.5px; }

.dt-toast-stack {
  position: fixed;
  top: 24px;
  left: 50%;
  z-index: 4000;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}
.dt-toast {
  max-width: min(90vw, 420px);
  padding: 11px 18px;
  border-radius: 10px;
  background: rgba(15, 15, 25, .95);
  border: 1px solid rgba(124, 58, 237, .28);
  color: #fff;
  font-size: 13.5px;
  line-height: 1.5;
  box-shadow: 0 10px 34px rgba(0, 0, 0, .4);
  animation: dtToastIn .24s ease;
}
.dt-toast.success { border-color: rgba(34, 197, 94, .38); }
.dt-toast.warning { border-color: rgba(245, 158, 11, .42); }
.dt-toast.error { border-color: rgba(239, 68, 68, .42); }
@keyframes dtToastIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 问卷页：替代 el-result / el-alert / el-tag 的结构。 */
.darktrial-questionnaire-page .loading-container p,
.darktrial-questionnaire-page .error-container p { margin: 8px 0 0; color: #606266; }
.darktrial-questionnaire-page .dt-spinner {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 3px solid rgba(102, 126, 234, .18);
  border-top-color: #667eea;
  animation: dtSpin .8s linear infinite;
}
@keyframes dtSpin { to { transform: rotate(360deg); } }
.darktrial-questionnaire-page .error-container .error-title {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: #303133;
}
.darktrial-questionnaire-page .error-container .error-message {
  margin: 0;
  max-width: 520px;
  color: #606266;
  font-size: 14px;
}
.darktrial-questionnaire-page .error-container .error-tips { margin-top: 18px; text-align: left; }
.darktrial-questionnaire-page .error-container .tips-title { margin-bottom: 6px; color: #909399; font-size: 13px; }
.darktrial-questionnaire-page .error-container .tips-list { margin: 0; padding-left: 20px; }
.darktrial-questionnaire-page .error-container .tips-list li { list-style: disc; color: #909399; font-size: 13px; line-height: 1.8; }
.darktrial-questionnaire-page .error-container .btn-home {
  margin-top: 22px;
  padding: 10px 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.darktrial-questionnaire-page .incomplete-alert .alert-box {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 10px;
  background: #fdf6ec;
  border: 1px solid #faecd8;
  color: #e6a23c;
  font-size: 13.5px;
  line-height: 1.55;
}
.darktrial-questionnaire-page .incomplete-alert .alert-box strong { display: block; color: #b88230; }
.darktrial-questionnaire-page .incomplete-alert .alert-box .el-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.darktrial-questionnaire-page .grid-header .grid-tip {
  padding: 2px 9px;
  border-radius: 5px;
  background: #ecf5ff;
  border: 1px solid #d9ecff;
  color: #409eff;
  font-size: 12px;
  line-height: 20px;
}
.darktrial-questionnaire-page .grid-item .check-icon { pointer-events: none; }
.darktrial-questionnaire-page .grid-item .check-icon .el-icon { font-size: 12px; }

@media print {
  .dt-toast-stack, .report-footer .footer-actions, .share-overlay { display: none !important; }
}