/* 系统管理 · AI 接入 */
.ai-settings[hidden], .ai-settings-form[hidden], .ai-usage[hidden], .ai-settings label[hidden] { display: none !important; }
#aiSettingsPanel, .ai-settings, .ai-usage { min-width: 0; max-width: 100%; box-sizing: border-box; }
.ai-settings .account-module-head p:last-child { max-width: 760px; line-height: 1.7; }
.ai-settings-status { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin: 20px 0 6px; color: #657c72; font-size: 13px; }
.ai-chip { padding: 3px 10px; border-radius: 999px; background: #eef1ec; color: #6b7e75; font-size: 12px; }
.ai-chip.on { background: #e3f1e8; color: var(--green); }
.ai-chip.warn { background: #f7efdb; color: #96631c; }
.ai-settings-form { margin-top: 18px; padding-top: 22px; border-top: 1px solid #e1ebe6; }
.ai-settings-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 28px; }
.ai-settings-fields > label { display: grid; gap: 8px; min-width: 0; color: #34594b; font-size: 14px; line-height: 1.5; }
.ai-settings-fields input:not([type=checkbox]), .ai-settings-fields select { width: 100%; min-width: 0; min-height: 44px; box-sizing: border-box; padding: 8px 12px; border: 1px solid #cbded6; border-radius: 10px; background: white; color: inherit; font: inherit; }
.ai-settings-fields input:disabled { background: #f3f6f4; color: #7c8d85; }
.ai-settings-fields small { color: #71857a; font-size: 12px; line-height: 1.5; }
.ai-settings-roles { min-width: 0; margin: 0; padding: 0; border: 0; }
.ai-settings-roles legend { margin-bottom: 10px; padding: 0; color: #34594b; font-size: 14px; }
.ai-settings-roles > div, .ai-settings-switches { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.ai-settings-switches { align-items: flex-end; }
.ai-check { display: inline-flex; align-items: center; gap: 8px; color: #34594b; font-size: 14px; cursor: pointer; }
.ai-check input { width: 17px; height: 17px; margin: 0; accent-color: var(--green); }
.ai-settings-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 14px; margin-top: 26px; padding-top: 20px; border-top: 1px solid #e3ece7; }
.ai-settings-actions .form-message { flex: 1 1 260px; margin: 0; color: #426d58; font-size: 13px; line-height: 1.6; }
.ai-settings-actions .form-message.error { color: #9a5149; }
.ai-settings-actions button { min-height: 40px; padding: 8px 18px; border: 1px solid var(--green); border-radius: 9px; background: var(--green); color: white; font: inherit; font-weight: 700; cursor: pointer; }
.ai-settings-actions .ai-secondary { border-color: #cbded6; background: white; color: var(--green); }
.ai-settings-actions button:disabled { opacity: .45; cursor: not-allowed; }
.ai-usage { margin-top: 28px; padding-top: 22px; border-top: 1px solid #e1ebe6; }
.ai-usage h4 { margin: 0 0 14px; color: var(--green); font-size: 16px; }
.ai-usage-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.ai-usage-metrics div { padding: 14px 16px; border: 1px solid #e1ebe6; border-radius: 10px; background: #f8fbf9; }
.ai-usage-metrics span { display: block; color: #71857a; font-size: 12px; }
.ai-usage-metrics strong { display: block; margin-top: 4px; color: #17352f; font-size: 18px; font-variant-numeric: tabular-nums; }
.ai-usage-metrics strong small { display: block; margin-top: 2px; color: #a0522d; font-size: 11px; font-weight: 500; }
.ai-recent-table td { font-size: 13px; }
.ai-recent-table td:nth-child(5) { min-width: 180px; }
.ai-recent-table td:last-child { width: auto; white-space: nowrap; }
.ai-failed { color: #9a5149; }
.ai-empty { color: #71857a; font-size: 13px; }
@media (max-width: 760px) {
  .ai-settings-fields { grid-template-columns: 1fr; }
  .ai-usage-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-settings-actions button { flex: 1 1 auto; }
}