export const IM_STYLE_ID = 'xmanrui-dsh-im-settings';

const CSS = String.raw`
.dim-page {
  --dim-blue: var(--dsw-alias-state-business-primary, #3370ff);
  --dim-blue-soft: color-mix(in srgb, var(--dim-blue) 9%, transparent);
  width: 100%;
  max-width: 1080px;
  padding: 2px 0 30px;
  color: var(--dsw-alias-label-primary, #1f2329);
  box-sizing: border-box;
}
.dim-page *, .dim-page *::before, .dim-page *::after { box-sizing: border-box; }
.dim-title { margin: 0 0 26px; }
.dim-title p { margin: 0; color: var(--dsw-alias-label-secondary, #646a73); font-size: 13px; line-height: 20px; white-space: nowrap; }
.dim-layout { display: grid; grid-template-columns: 174px 1px minmax(0, 1fr); gap: 24px; align-items: start; }
.dim-rail { max-height: 520px; display: grid; align-content: start; gap: 8px; overflow-y: auto; padding: 1px 4px 1px 1px; scrollbar-width: thin; scrollbar-color: var(--dsw-alias-border-l2, #dfe1e5) transparent; }
.dim-rail::-webkit-scrollbar { width: 4px; }
.dim-rail::-webkit-scrollbar-thumb { border-radius: 99px; background: var(--dsw-alias-border-l2, #dfe1e5); }
.dim-channel { width: 100%; min-height: 48px; display: grid; grid-template-columns: 30px minmax(0, 1fr); align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid var(--dsw-alias-border-l2, #eef0f3); border-radius: 14px; color: inherit; background: var(--dsw-alias-bg-layer-3, #fff); box-shadow: 0 2px 8px rgb(31 35 41 / 3%); font: inherit; text-align: left; cursor: pointer; transition: border-color .16s ease, background .16s ease, box-shadow .16s ease; }
.dim-channel:hover { border-color: color-mix(in srgb, var(--dim-blue) 25%, var(--dsw-alias-border-l2, #eef0f3)); background: color-mix(in srgb, var(--dim-blue) 2%, var(--dsw-alias-bg-layer-3, #fff)); box-shadow: 0 5px 16px rgb(31 35 41 / 5%); }
.dim-channel[aria-selected="true"] { border-color: color-mix(in srgb, var(--dim-blue) 43%, var(--dsw-alias-border-l2, #dfe1e5)); color: var(--dim-blue); background: color-mix(in srgb, var(--dim-blue) 12%, var(--dsw-alias-bg-layer-3, #fff)); box-shadow: 0 3px 12px rgb(51 112 255 / 7%); }
.dim-channel:focus-visible { outline: none; border-color: color-mix(in srgb, var(--dim-blue) 72%, var(--dsw-alias-border-l2, #dfe1e5)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--dim-blue) 24%, transparent) inset, 0 3px 12px rgb(51 112 255 / 7%); }
.dim-logo { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; box-shadow: 0 1px 3px rgb(31 35 41 / 7%); }
.dim-logo svg { display: block; width: 20px; height: 20px; }
.dim-logoWeixin { color: white; background: #07c160; }
.dim-logoWeixin svg { width: 19px; height: 19px; }
.dim-logoFeishu { background: white; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); }
.dim-logoFeishu svg { width: 28px; height: 28px; }
.dim-logoDingtalk { color: white; background: #1677ff; }
.dim-logoDingtalk svg { width: 24px; height: 24px; }
.dim-logoQq { color: white; background: #1677ff; }
.dim-logoQq svg { width: 21px; height: 21px; }
.dim-logoWecom { background: white; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); }
.dim-logoWecom svg { width: 22px; height: 22px; }
.dim-logoTelegram { color: white; background: #229ed9; }
.dim-logoTelegram svg { width: 21px; height: 21px; }
.dim-logoDiscord { color: white; background: #5865f2; }
.dim-logoDiscord svg { width: 21px; height: 21px; }
.dim-logoWhatsapp { color: white; background: #25d366; }
.dim-logoWhatsapp svg { width: 21px; height: 21px; }
.dim-channelCopy { min-width: 0; display: block; }
.dim-channelCopy strong { overflow: hidden; color: inherit; font-size: 14px; line-height: 20px; font-weight: 680; text-overflow: ellipsis; white-space: nowrap; }
.dim-divider { width: 1px; min-height: 520px; background: var(--dsw-alias-border-l1, #eef0f3); }
.dim-panel { min-width: 0; container-type: inline-size; }
.dim-panel .bxf-page, .dim-panel .dxw-page, .dim-panel .ddt-page, .dim-panel .dqq-page, .dim-panel .dwecom-page, .dim-panel .dwa-page { width: 100%; max-width: none; padding: 0 0 24px; }
.dim-panel .bxf-heading, .dim-panel .dxw-heading, .dim-panel .ddt-heading { justify-content: flex-end; }
.dim-panel .bxf-headingTools, .dim-panel .dxw-tools, .dim-panel .ddt-tools { width: 100%; justify-content: space-between; }
.dim-panel .dim-bindActions { min-width: 0; display: flex; align-items: center; flex-wrap: nowrap; gap: 8px; }
.dim-panel .bxf-headingTools .dim-scanButton, .dim-panel .dxw-tools .dim-scanButton, .dim-panel .ddt-tools .dim-scanButton { flex: none; min-height: 34px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 0 10px; border: 1px solid #1677ff; border-radius: 8px; color: #fff; background: #1677ff; box-shadow: none; font: inherit; font-size: 13px; font-weight: 560; white-space: nowrap; }
.dim-panel .bxf-headingTools .dim-scanButton:hover:not(:disabled), .dim-panel .dxw-tools .dim-scanButton:hover:not(:disabled), .dim-panel .ddt-tools .dim-scanButton:hover:not(:disabled) { border-color: #0958d9; background: #0958d9; }
.dim-panel .dim-credentialButton { flex: none; min-height: 34px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 0 10px; border: 1px solid #86909c; border-radius: 8px; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: 0 1px 2px rgb(31 35 41 / 5%); font: inherit; font-size: 13px; font-weight: 560; line-height: normal; white-space: nowrap; }
.dim-panel .dim-actionIcon { width: 15px; height: 15px; flex: 0 0 15px; }
.dim-panel .dim-credentialButton:hover:not(:disabled) { border-color: #4e5969; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
.dim-panel .dim-credentialButton[aria-pressed="true"] { border-color: #4e5969; background: var(--dsw-alias-bg-module-platform, #f2f3f5); box-shadow: inset 0 0 0 1px rgb(78 89 105 / 8%); }
.dim-panel .bxf-headingTools .dim-onlineBadge, .dim-panel .dxw-tools .dim-onlineBadge, .dim-panel .ddt-tools .dim-onlineBadge { flex: none; min-height: 30px; display: inline-flex; align-items: center; gap: 0; padding: 0 11px; border: 0; border-radius: 999px; color: var(--dsw-alias-label-secondary, #646a73); background: var(--dsw-alias-bg-module-platform, #f2f3f5); font: inherit; font-size: 12px; font-weight: 400; line-height: normal; white-space: nowrap; }
.dim-panel .dim-channelPage { width: 100%; max-width: none; display: flex; flex-direction: column; gap: 18px; padding: 0 0 24px; color: var(--dsw-alias-label-primary, #1f2329); box-sizing: border-box; }
.dim-panel .dim-surfaceCard { position: relative; overflow: hidden; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); border-radius: 14px; background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: 0 1px 2px rgb(31 35 41 / 3%); }
.dim-panel .dim-surfaceCard::before { display: none; }
.dim-panel .dim-surfaceBody { padding: 24px; }
.dim-panel .dim-credentialPanel { display: grid; gap: 18px; padding: 20px; }
.dim-panel .dim-credentialTitle { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 17px; line-height: 1.35; font-weight: 650; }
.dim-panel .dim-credentialForm { min-width: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 12px; }
.dim-panel .dim-credentialFormSingle { grid-template-columns: minmax(0, 1fr); }
.dim-panel .dim-credentialField { min-width: 0; display: grid; gap: 7px; color: var(--dsw-alias-label-secondary, #646a73); font-size: 12px; line-height: normal; font-weight: 560; }
.dim-panel .dim-credentialField input { width: 100%; min-width: 0; height: 38px; padding: 0 11px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 8px; outline: none; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-bg-layer-1, #fff); font: 13px ui-monospace, SFMono-Regular, Menlo, monospace; transition: border-color .16s ease, box-shadow .16s ease; }
.dim-panel .dim-credentialField input:focus { border-color: #4e5969; box-shadow: 0 0 0 3px rgb(78 89 105 / 10%); }
.dim-panel .dim-credentialField input::placeholder { color: var(--dsw-alias-label-tertiary, #8f959e); font-family: inherit; }
.dim-panel .dim-credentialError, .dim-panel .dim-credentialActions { grid-column: 1 / -1; }
.dim-panel .dim-credentialError { margin: 0; color: var(--dsw-alias-state-error-primary, #d54941); font-size: 12px; line-height: 1.5; }
.dim-panel .dim-credentialActions { margin-top: 0; }
.dim-panel .dim-listSection { display: flex; flex-direction: column; gap: 0; }
.dim-panel .dim-listHeading { min-height: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 2px 0 9px; padding: 0; }
.dim-panel .dim-listHeading h3 { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: normal; font-weight: 650; }
.dim-panel .dim-botList { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.dim-panel .dim-loadingView { padding: 38px; color: var(--dsw-alias-label-secondary, #646a73); text-align: center; }
.dim-panel .dim-loadingView h3 { margin: 0 0 7px; color: var(--dsw-alias-label-primary, #1f2329); font-size: 17px; line-height: normal; font-weight: 650; }
.dim-panel .dim-loadingView p { margin: 0; line-height: 1.6; }
.dim-panel .dim-spinner { width: 24px; height: 24px; margin: 0 auto 13px; border: 3px solid var(--dsw-alias-border-l2, #e6e8eb); border-top-color: #1677ff; border-radius: 50%; animation: dim-spin .8s linear infinite; }
@keyframes dim-spin { to { transform: rotate(360deg); } }
.dim-panel .dim-emptyView { min-height: 230px; display: grid; grid-template-columns: minmax(0, 1fr) 180px; align-items: center; gap: 30px; }
.dim-panel .dim-emptyCopy { min-width: 0; }
.dim-panel .dim-emptyCopy h3 { margin: 8px 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 18px; line-height: 1.35; font-weight: 650; }
.dim-panel .dim-emptyCopy > p { max-width: 560px; margin: 0; color: var(--dsw-alias-label-secondary, #646a73); line-height: 1.65; }
.dim-panel .dim-emptyBrand { width: 110px; height: 110px; display: grid; place-items: center; justify-self: center; border-radius: 28px; box-shadow: 0 18px 45px rgb(22 119 255 / 18%); }
.dim-panel .dim-stateLabel { display: inline-flex; align-items: center; gap: 8px; color: var(--dsw-alias-label-secondary, #646a73); font-size: 12px; line-height: normal; font-weight: 600; }
.dim-panel .dim-stateDot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--dsw-alias-label-tertiary, #8f959e); box-shadow: none; }
.dim-panel .dim-stateDot[data-tone="success"] { background: var(--dsw-alias-state-success-primary, #20a162); }
.dim-panel .dim-stateDot[data-tone="warning"] { background: var(--dsw-alias-state-warn-primary, #d97706); }
.dim-panel .dim-stateDot[data-tone="error"] { background: var(--dsw-alias-state-error-primary, #d54941); }
.dim-panel .dim-viewActions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.dim-panel .dim-viewActions .bxf-button, .dim-panel .dim-viewActions .dxw-button, .dim-panel .dim-viewActions .ddt-button { min-height: 34px; padding: 0 13px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 8px; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: none; font: inherit; font-size: 13px; font-weight: 560; line-height: normal; white-space: nowrap; }
.dim-panel .dim-viewActions .bxf-button[data-kind="primary"], .dim-panel .dim-viewActions .dxw-button[data-kind="primary"], .dim-panel .dim-viewActions .ddt-button[data-kind="primary"] { border-color: #1677ff; color: #fff; background: #1677ff; box-shadow: none; }
.dim-panel .dim-viewActions .bxf-button[data-kind="danger"], .dim-panel .dim-viewActions .dxw-button[data-kind="danger"], .dim-panel .dim-viewActions .ddt-button[data-kind="danger"] { color: var(--dsw-alias-state-error-primary, #d54941); }
.dim-panel .dim-qrLayout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 34px; align-items: start; }
.dim-panel .dim-qrColumn { width: 100%; min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.dim-panel .dim-qrFrame { position: relative; width: min(270px, 100%); height: auto; aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; padding: 10px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 16px; background: #fff; }
.dim-panel .dim-qrFrame::before { content: ""; position: absolute; inset: 7px; z-index: 0; border: 1px solid color-mix(in srgb, #1677ff 16%, var(--dsw-alias-border-l2, #dfe1e5)); border-radius: 12px; pointer-events: none; }
.dim-panel .dim-qrFrame::after { display: none; }
.dim-panel .dim-qrFrame img { position: relative; z-index: 1; width: 100%; height: 100%; display: block; object-fit: contain; }
.dim-panel .dim-qrFallback { position: relative; z-index: 1; display: grid; place-items: center; gap: 8px; color: var(--dsw-alias-label-secondary, #646a73); font-size: 13px; line-height: 1.5; text-align: center; }
.dim-panel .dim-qrExpired { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; padding: 20px; color: var(--dsw-static-neutral-bluish-1000, #0f1115); background: rgb(255 255 255 / 92%); font-size: 15px; line-height: 1.6; font-weight: 650; text-align: center; white-space: pre-line; backdrop-filter: blur(3px); }
.dim-panel .dim-countdown { width: min(270px, 100%); margin: 0; color: var(--dsw-alias-label-secondary, #646a73); font-size: 12px; line-height: normal; }
.dim-panel .dim-countdownTop { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.dim-panel .dim-countdownTop strong { color: var(--dsw-alias-label-primary, #1f2329); font-weight: 650; }
.dim-panel .dim-progress { height: 4px; overflow: hidden; margin: 0; border-radius: 99px; background: var(--dsw-alias-bg-module-platform, #eef0f3); }
.dim-panel .dim-progress span { display: block; width: var(--bxf-progress, var(--dxw-progress, var(--ddt-progress, 0%))); height: 100%; border-radius: inherit; background: #1677ff; transition: width .25s linear; }
.dim-panel .dim-qrCopy { min-width: 0; overflow-wrap: anywhere; }
.dim-panel .dim-qrCopy h3 { margin: 9px 0 8px; color: var(--dsw-alias-label-primary, #1f2329); font-size: 18px; line-height: 1.35; font-weight: 650; }
.dim-panel .dim-qrCopy > p { margin: 0; color: var(--dsw-alias-label-secondary, #646a73); line-height: 1.65; }
.dim-panel .dim-steps { margin: 18px 0 16px; padding: 0; list-style: none; counter-reset: dim-step; }
.dim-panel .dim-steps li { position: relative; min-height: 28px; display: flex; align-items: center; padding: 5px 0 5px 36px; color: var(--dsw-alias-label-secondary, #646a73); line-height: 1.5; counter-increment: dim-step; }
.dim-panel .dim-steps li::before { content: counter(dim-step); position: absolute; left: 0; top: 4px; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 8px; color: #4d93f8; background: color-mix(in srgb, #1677ff 16%, var(--dsw-alias-bg-layer-1, #fff)); font-size: 12px; font-weight: 650; }
.dim-panel .dim-specialView { padding: 32px; text-align: center; }
.dim-panel .dim-statusNotice { display: flex; align-items: flex-start; gap: 10px; padding: 13px 15px; border: 1px solid color-mix(in srgb, var(--dsw-alias-state-error-primary, #d54941) 22%, var(--dsw-alias-border-l2, #dfe1e5)); border-radius: 10px; color: var(--dsw-alias-state-error-primary, #d54941); background: color-mix(in srgb, var(--dsw-alias-state-error-primary, #d54941) 8%, var(--dsw-alias-bg-layer-1, #fff)); font-size: 13px; line-height: 1.5; }
.dim-panel .dim-inlineError { display: flex; align-items: flex-start; flex-direction: column; gap: 10px; padding: 22px; color: var(--dsw-alias-state-error-primary, #d54941); background: color-mix(in srgb, var(--dsw-alias-state-error-primary, #d54941) 8%, var(--dsw-alias-bg-layer-1, #fff)); }
.dim-panel .dim-inlineError > div { min-width: 0; }
.dim-panel .dim-inlineError h3 { margin: 0; color: inherit; font-size: 17px; line-height: 1.35; font-weight: 650; }
.dim-panel .dim-inlineError p { margin: 7px 0 0; color: inherit; line-height: 1.6; }
.dim-panel .dim-confirm { padding: 18px 24px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
.dim-panel .dim-confirm strong, .dim-panel .dim-confirm h4 { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: 1.4; font-weight: 650; }
.dim-panel .dim-confirm p { margin: 7px 0 0; color: var(--dsw-alias-label-secondary, #646a73); line-height: 1.6; }
.dim-panel .dim-cardFooter { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-top: 16px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); }
.dim-panel .dim-cardSummary { min-width: 0; color: var(--dsw-alias-label-secondary, #646a73); font: inherit; font-size: 12px; font-weight: 400; line-height: normal; }
.dim-panel .dim-cardActions { flex: none; display: flex; align-items: center; flex-wrap: nowrap; gap: 8px; margin: 0 0 0 auto; }
.dim-panel .dim-cardActions .dim-cardAction { flex: none; min-height: 34px; padding: 0 13px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 8px; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-bg-layer-1, #fff); font: inherit; font-size: 13px; font-weight: 560; line-height: normal; white-space: nowrap; }
.dim-panel .dim-cardActions .dim-cardAction:hover:not(:disabled) { border-color: #aeb3bb; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
.dim-panel .dim-cardActions .dim-cardAction[data-kind="danger"] { color: var(--dsw-alias-state-error-primary, #d54941); }
.dim-panel .dim-botCard { position: relative; overflow: hidden; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); border-radius: 14px; background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: 0 1px 2px rgb(31 35 41 / 3%); }
.dim-panel .dim-botCard::before { display: none; }
.dim-panel .dim-botCardBody { position: relative; padding: 24px; }
.dim-panel .dim-botCardTop { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.dim-panel .dim-botIdentity { min-width: 0; display: flex; align-items: center; gap: 12px; }
.dim-panel .dim-botAvatar { flex: none; width: 42px; height: 42px; display: grid; place-items: center; overflow: hidden; border-radius: 12px; box-shadow: none; }
.dim-panel .dim-botAvatar svg { width: 29px; height: 29px; }
.dim-panel .dim-botName { min-width: 0; }
.dim-panel .dim-botName h3 { overflow: hidden; margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 15px; font-weight: 650; line-height: normal; text-overflow: ellipsis; white-space: nowrap; }
.dim-panel .dim-botName p { overflow: hidden; margin: 4px 0 0; color: var(--dsw-alias-label-secondary, #646a73); font: 12px ui-monospace, SFMono-Regular, monospace; line-height: normal; text-overflow: ellipsis; white-space: nowrap; }
.dim-panel .dim-botCard .dim-botHealth { flex: none; min-height: 0; display: inline-flex; align-items: center; gap: 7px; padding: 0; border: 0; border-radius: 0; color: var(--dsw-alias-label-secondary, #646a73); background: transparent; font: inherit; font-size: 12px; font-weight: 400; line-height: normal; white-space: nowrap; }
.dim-panel .dim-botCard .dim-healthDot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: #aeb3bb; box-shadow: none; }
.dim-panel .dim-botCard .dim-healthDot[data-tone="success"] { background: var(--dsw-alias-state-success-primary, #20a162); box-shadow: 0 0 0 3px color-mix(in srgb, var(--dsw-alias-state-success-primary, #20a162) 14%, transparent); }
.dim-panel .dim-botCard .dim-healthDot[data-tone="warning"] { background: var(--dsw-alias-state-warn-primary, #d97706); }
.dim-panel .dim-botCard .dim-healthDot[data-tone="error"] { background: var(--dsw-alias-state-error-primary, #d54941); }
.dim-panel .dim-botMetrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 20px 0; }
.dim-panel .dim-botMetric { min-width: 0; padding: 12px; border: 0; border-radius: 9px; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
.dim-panel .dim-botMetric dt { margin: 0; color: var(--dsw-alias-label-tertiary, #8f959e); font-size: 11px; font-weight: 400; line-height: normal; }
.dim-panel .dim-botMetric dd { overflow: hidden; margin: 5px 0 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 13px; font-weight: 400; line-height: normal; text-overflow: ellipsis; white-space: nowrap; }
.dim-panel .dim-botCard .dim-cardFooter { margin-top: 0; }
.dim-panel .ddt-headingCopy { display: none; }
.dim-panel .ddt-qrFrame, .dim-panel .ddt-countdown { width: min(270px, 100%); }
@container (max-width: 680px) {
  .dim-panel .dim-credentialForm { grid-template-columns: minmax(0, 1fr); }
  .dim-panel .dim-credentialError, .dim-panel .dim-credentialActions { grid-column: auto; }
  .dim-panel .dim-emptyView { min-height: 0; grid-template-columns: minmax(0, 1fr); }
  .dim-panel .dim-emptyBrand { display: none; }
  .dim-panel .dim-qrLayout { grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 24px; }
  .dim-panel .dim-qrColumn { width: 100%; min-width: 0; }
  .dim-panel .dim-qrCopy { width: 100%; min-width: 0; overflow-wrap: anywhere; }
  .dim-panel .ddt-qrLayout { grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 24px; }
  .dim-panel .ddt-qrColumn { width: 100%; min-width: 0; }
  .dim-panel .ddt-qrCopy { width: 100%; min-width: 0; overflow-wrap: anywhere; }
}
@media (max-width: 840px) {
  .dim-title { align-items: flex-start; }
  .dim-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .dim-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dim-divider { display: none; }
  .dim-rail { max-height: none; overflow: visible; padding-right: 1px; }
  .dim-channel { min-height: 48px; }
}
@media (max-width: 720px) {
  .dim-panel .dim-botCardTop { flex-direction: column; align-items: stretch; }
}
@media (max-width: 560px) {
  .dim-title { flex-direction: column; gap: 10px; }
  .dim-title p { white-space: normal; }
  .dim-rail { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .dim-page * { transition-duration: .01ms !important; }
}
`;

export function installImStyles() {
  if (typeof document === 'undefined') return () => {};
  const existing = document.querySelector(`style[data-plugin-css="${IM_STYLE_ID}"]`);
  if (existing) return () => {};
  const style = document.createElement('style');
  style.dataset.plugin = '@xmanrui/dsh-im';
  style.dataset.pluginCss = IM_STYLE_ID;
  style.textContent = CSS;
  document.head.appendChild(style);
  return () => style.remove();
}