:root {
  --chat-sidebar-width: 360px;
  --chat-content-gap: 0px;
  --chat-shell-z-index: 10200;
}

body.chat-room-open .niepan-global-toast-host,
body.chat-room-mobile-open .niepan-global-toast-host {
  z-index: calc(var(--chat-shell-z-index) + 200);
}

body.feedback-image-lightbox-open {
  overflow: hidden;
  overscroll-behavior: none;
}

/* 聊天室内点击图片预览：全屏叠在聊天室之上 */
body.chat-room-open .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]),
body.chat-room-mobile-open .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]),
body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]),
body.chat-room-open .feedback-image-lightbox:not([hidden]) {
  z-index: calc(var(--chat-shell-z-index) + 300) !important;
}

/* 意见反馈内点击图片预览：叠在反馈抽屉之上 */
body.feedback-sheet-open .feedback-image-lightbox:not([hidden]),
body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) {
  z-index: 220 !important;
}

/* 聊天室 / 意见反馈：图片预览区域 */
body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
.feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-panel {
  min-width: 0;
  overflow: hidden;
}

body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
.feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-body {
  position: relative;
  display: grid;
  grid-template-areas: "stage";
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  min-height: 0;
  align-self: stretch;
  padding: 0 !important;
  box-sizing: border-box;
  overflow: hidden;
}

body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport,
body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport,
body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport,
body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport,
.feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-viewport {
  grid-area: stage;
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  box-sizing: border-box;
}

body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav,
body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav,
body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav,
body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav,
.feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-nav {
  grid-area: stage;
  align-self: center;
}

.feedback-image-lightbox-body:has(.feedback-image-lightbox-nav:not([hidden])) .feedback-image-lightbox-viewport {
  padding-inline: 48px;
  box-sizing: border-box;
}

body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
.feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-viewport img {
  position: static;
  top: auto;
  left: auto;
  transform: none;
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
  object-position: center center;
  margin: 0;
}

body.chat-room-mobile-open .mobile-bottom-nav {
  visibility: hidden;
  pointer-events: none;
}

/* 移动端聊天室内打开详情时全屏叠在聊天室之上 */
body.niepan-app.chat-room-mobile-open #detailModal.modal--over-chat-room-mobile:not([hidden]),
body.niepan-app.chat-room-mobile-open #strategyHistoryDrawer.modal--over-chat-room-mobile:not([hidden]) {
  z-index: calc(var(--chat-shell-z-index) + 50);
}

.chat-entry-wrap {
  position: relative;
  display: inline-flex;
}

.chat-unread-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: #e5484d;
  color: #fff;
  font-size: 10px;
  line-height: 16px;
  text-align: center;
  font-weight: 700;
}

.mobile-nav-icon-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.chat-unread-badge-nav {
  position: absolute;
  top: -6px;
  right: -8px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: #e5484d;
  color: #fff;
  font-size: 10px;
  line-height: 16px;
  text-align: center;
  font-weight: 700;
  z-index: 10;
}

body.niepan-app.chat-room-open {
  padding-right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
}

body.niepan-app.chat-room-open.chat-room-open-anim {
  /* 去掉 padding 过渡，避免打开聊天室时与消息渲染争抢主线程 */
  transition: none;
}

.chat-room-shell {
  --chat-shell-bg: #ffffff;
  --chat-shell-border: #e5ebf5;
  --chat-shell-muted: #667085;
  --chat-shell-text: #1f2937;
  --chat-shell-surface: #f4f7fb;
}

.chat-room-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  overscroll-behavior: contain;
  background: var(--chat-shell-bg);
  color: var(--chat-shell-text);
}

.chat-room-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--chat-shell-border);
  flex: 0 0 auto;
  background: #fff;
}

.chat-room-head-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
}

.chat-room-head-title h2 {
  flex: 0 0 auto;
  margin: 0;
  font-size: 15px;
  line-height: 1.3;
  color: #0f172a;
}

.chat-room-mute-hint {
  color: #e5484d;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.chat-room-head-badge {
  flex: 0 0 auto;
  margin-left: auto;
}

.chat-room-close-btn {
  flex: 0 0 auto;
  flex-shrink: 0;
  align-self: center;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #4e5969;
  font-size: 30px;
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
}

.chat-room-close-btn:hover {
  background: #f2f3f5;
  color: #1d2129;
}

.chat-room-notice {
  padding: 6px 14px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #dc2626;
  background: #fef2f2;
  border-bottom: 1px solid #fecaca;
  flex: 0 0 auto;
}

.chat-room-load-earlier {
  align-self: center;
  margin: 0 auto 8px;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 14px;
  background: transparent;
  color: var(--chat-shell-muted, #667085);
  border: 1px solid var(--chat-shell-border, #e5e7eb);
  cursor: pointer;
  flex: 0 0 auto;
}
.chat-room-load-earlier:hover {
  background: rgba(0, 0, 0, 0.04);
}

.chat-room-body {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
  overflow: hidden;
  overscroll-behavior: contain;
  background: var(--chat-shell-surface);
  position: relative;
}

.chat-room-messages {
  flex: 1;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  background: var(--chat-shell-surface);
  position: relative;
}

.chat-new-messages-indicator {
  position: absolute;
  bottom: 130px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  padding: 6px 16px;
  border: none;
  border-radius: 18px;
  background: var(--accent, #2563eb);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}
.chat-new-messages-indicator:hover {
  transform: translateX(-50%) translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.chat-room-load-more {
  position: absolute;
  bottom: 130px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border: 1.5px solid #fff;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.95);
  color: #dc2626;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
  transition: opacity 0.2s, transform 0.2s;
}
.chat-room-load-more:hover {
  transform: translateX(-50%) translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.chat-room-loading {
  text-align: center;
  align-self: center;
  margin: auto;
  padding: 24px 0;
  color: var(--chat-shell-muted);
  font-size: 14px;
}

.chat-msg {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.chat-msg.is-self {
  flex-direction: row-reverse;
}

.chat-msg.is-pending .chat-msg-bubble {
  opacity: 0.72;
}

.chat-msg.is-pending.is-self .chat-msg-bubble {
  opacity: 0.82;
}

.chat-msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  background: #e8eef7;
  color: #475569;
  flex: 0 0 auto;
  cursor: pointer;
  border: 1px solid #dbe4f0;
  padding: 0;
}

.chat-msg-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: calc(100% - 40px);
  min-width: 0;
  width: fit-content;
  position: relative;
}

.chat-msg.is-self .chat-msg-main {
  margin-left: auto;
  align-items: flex-end;
}

.chat-msg-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.chat-msg:hover .chat-msg-actions,
.chat-msg:focus-within .chat-msg-actions {
  opacity: 1;
}

.chat-msg.is-self .chat-msg-actions {
  justify-content: flex-end;
}

@media (hover: none) {
  .chat-msg-actions {
    opacity: 1;
  }
}

.chat-msg-reply-btn {
  border: none;
  background: transparent;
  color: var(--chat-shell-muted);
  font-size: 11px;
  padding: 0;
  cursor: pointer;
}

.chat-msg-reply-btn:hover {
  color: #2563eb;
}

.chat-reply-mention {
  display: inline;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  vertical-align: baseline;
}

.chat-reply-mention.is-deleted {
  cursor: default;
}

.chat-reply-at-name {
  color: #ea580c;
  font-weight: 600;
}

.chat-compose-reply-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px 0;
  font-size: 13px;
  line-height: 1.5;
  color: #334155;
}

.chat-compose-reply-inline[hidden] {
  display: none !important;
}

.chat-compose-reply-cancel {
  margin-left: auto;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  padding: 0;
  box-sizing: border-box;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #94a3b8;
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.chat-compose-reply-cancel:hover {
  background: #eef2f7;
  color: #64748b;
}

.chat-msg.is-highlight {
  animation: chat-msg-flash 1.2s ease;
}

@keyframes chat-msg-flash {
  0%, 100% { background: transparent; }
  30% { background: rgba(37, 99, 235, 0.08); border-radius: 10px; }
}

.chat-msg-head {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 3px;
  flex-wrap: wrap;
}

.chat-msg.is-self .chat-msg-head {
  justify-content: flex-end;
}

.chat-msg-name {
  font-size: 12px;
  font-weight: 600;
  color: #334155;
}

.chat-time-divider {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 4px 0;
}

.chat-time-divider span {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.16);
  color: #64748b;
  font-size: 11px;
  line-height: 1.6;
  font-weight: 500;
}

.chat-role-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.5;
}

.chat-role-tag.is-official {
  background: #fff4db;
  color: #b45309;
  border: 1px solid #fde6a8;
}

.chat-role-tag.is-admin {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.chat-role-tag.is-regular {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.chat-role-tag.is-advanced {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.chat-role-tag.is-loyal {
  background: #faf5ff;
  color: #7e22ce;
  border: 1px solid #e9d5ff;
}

.chat-role-tag.is-diamond {
  background: #fff7ed;
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.chat-mute-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.5;
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.chat-msg-bubble {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  box-sizing: border-box;
  padding: 8px 10px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #e5ebf5;
  line-height: 1.5;
  word-break: break-word;
  font-size: 15px;
  color: #1e293b;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

body.niepan-app .chat-room-messages .chat-msg-copyable,
body.niepan-app .chat-room-messages .chat-msg-copyable *:not(button):not(.chat-msg-avatar) {
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}

body.niepan-app .chat-room-messages .chat-msg-avatar,
body.niepan-app .chat-room-messages .chat-msg-reply-btn,
body.niepan-app .chat-room-messages .chat-reply-mention,
body.niepan-app .chat-room-messages .chat-inline-link {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.chat-msg.is-self .chat-msg-bubble {
  background: #eef4ff;
  border-color: #c7d9ff;
  color: #1e3a8a;
}

.chat-msg-bubble.is-deleted {
  color: var(--chat-shell-muted);
  font-style: italic;
  background: #f8fafc;
}

.chat-inline-emoji {
  width: 24px;
  height: 24px;
  vertical-align: -6px;
  display: inline-block;
  margin: 0 1px;
  object-fit: contain;
}

.chat-msg-stickers {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 6px;
}

.chat-msg.is-self .chat-msg-stickers {
  justify-content: flex-end;
}

.chat-msg-sticker {
  width: 80px;
  height: 80px;
  object-fit: contain;
  display: block;
  border-radius: 12px;
}

.chat-inline-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
  font: inherit;
}

.chat-inline-link:hover {
  text-decoration: underline;
  color: #1d4ed8;
}

.chat-room-compose {
  border-top: 1px solid var(--chat-shell-border);
  padding: 10px 12px 12px;
  flex: 0 0 auto;
  background: #fff;
}

.chat-room-image-preview {
  margin: 0 0 8px;
}

.chat-room-image-preview .feedback-image-thumb {
  overflow: visible;
}

.chat-room-image-preview .feedback-image-remove {
  top: -4px;
  right: -4px;
  z-index: 1;
}

.chat-room-image-preview .feedback-image-remove-icon {
  width: 20px;
  height: 20px;
}

.chat-room-image-preview:empty {
  display: none;
  margin: 0;
}

.chat-msg-bubble--media {
  padding: 6px;
  background: #fff;
}

.chat-msg.is-self .chat-msg-bubble--media {
  background: #dbeafe;
}

.chat-msg-bubble--media .chat-msg-images {
  margin-top: 0;
}

.chat-msg-main .chat-msg-images .feedback-image-gallery-thumb {
  width: 96px;
  height: 96px;
}

.chat-msg-main .chat-msg-bubble + .chat-msg-images {
  margin-top: 4px;
}

.chat-room-input-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-room-input-wrap {
  border: 1px solid #d8dee8;
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}

.chat-room-input-wrap:focus-within {
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.chat-room-input {
  width: 100%;
  min-height: 88px;
  max-height: 160px;
  resize: vertical;
  border-radius: 10px;
  border: 1px solid #d8dee8;
  background: #fff;
  color: #1e293b;
  padding: 10px 12px;
  font: inherit;
  font-size: 13px;
  box-sizing: border-box;
  overscroll-behavior: contain;
}

.chat-room-input-wrap .chat-room-input {
  border: none;
  border-radius: 0;
  min-height: 72px;
}

.chat-room-input:focus,
.chat-room-input-wrap .chat-room-input:focus {
  outline: none;
  border-color: transparent;
  box-shadow: none;
}

.chat-room-actions {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-top: 8px;
}

.chat-room-action-btn {
  min-height: 40px;
  height: 40px;
  box-sizing: border-box;
  font-size: 13px;
  line-height: 1;
  padding: 0 14px;
}

.chat-room-action-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.chat-room-actions .secondary.chat-room-action-btn {
  flex: 0 0 auto;
}

.chat-room-actions .primary.chat-room-action-btn {
  flex: 1 1 auto;
  min-width: 0;
}

.chat-room-load-more {
  font-size: 13px;
}

.chat-emoji-picker[hidden] {
  display: none !important;
}

.chat-emoji-picker:not([hidden]) {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid #e5ebf5;
  container-type: inline-size;
  max-height: 200px;
  max-height: calc(((100cqw - 72px) / 5) * 2 + 36px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.chat-room-action-btn.is-active {
  background: #eef4ff;
  border-color: #93c5fd;
  color: #2563eb;
}

.chat-emoji-btn {
  width: 100%;
  aspect-ratio: 1;
  min-width: 0;
  padding: 0;
  box-sizing: border-box;
  border: 1px solid #e8eef7;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #334155;
  margin: 0;
  overflow: hidden;
}

.chat-emoji-btn:hover {
  background: #eef4ff;
  border-color: #c7d9ff;
}

.chat-emoji-btn img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
}

.chat-user-menu {
  position: fixed;
  z-index: calc(var(--chat-shell-z-index) + 100);
  min-width: 168px;
  max-width: calc(100vw - 16px);
  max-height: min(70vh, calc(100vh - 16px));
  padding: 6px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid #e5ebf5;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
  color: #1e293b;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.chat-user-menu button {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: inherit;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

.chat-user-menu button:hover {
  background: #f4f7fb;
}

.chat-user-menu button.is-danger {
  color: #dc2626;
}

.chat-user-menu-info {
  padding: 8px 10px 6px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
  color: #0f766e;
  border-bottom: 1px solid #eef2f7;
  margin-bottom: 4px;
  user-select: none;
}

.chat-user-menu-info.is-loading {
  color: #64748b;
  font-weight: 500;
}

.chat-user-menu-info.is-empty {
  color: #94a3b8;
  font-weight: 500;
}

.chat-room-error {
  margin: 0;
  padding: 12px;
  border-radius: 8px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  font-size: 13px;
  line-height: 1.5;
}

.chat-room-open-btn.is-active {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.35);
  color: #2563eb;
}

/* Web 端：右侧固定侧栏 */
@media (min-width: 769px) {
  .chat-room-shell {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--chat-sidebar-width);
    height: 100vh;
    height: 100dvh;
    z-index: var(--chat-shell-z-index);
    transform: translateX(100%);
    transition: transform 0.2s ease;
    pointer-events: none;
  }

  .chat-room-shell.is-open {
    transform: translateX(0);
    pointer-events: auto;
    overscroll-behavior: contain;
  }

  .chat-room-shell .chat-room-backdrop {
    display: none !important;
  }

  .chat-room-shell .chat-room-panel {
    width: 100%;
    height: 100%;
    border-left: 1px solid var(--chat-shell-border);
    box-shadow: -4px 0 24px rgba(15, 23, 42, 0.06);
  }

  .chat-room-shell .chat-room-messages {
    max-height: none;
  }

  .chat-emoji-picker:not([hidden]) {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 10px;
    margin-inline: 0;
    width: 100%;
    max-height: calc(72px * 2.5 + 10px * 2 + 20px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
  }

  .chat-emoji-btn {
    height: 72px;
    aspect-ratio: unset;
  }

  .chat-emoji-btn img {
    width: 64px;
    height: 64px;
  }

  /* Web 端聊天室打开时：图片预览宽度避开右侧侧栏 */
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
  body.chat-room-open .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-panel {
    width: min(920px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap) - 48px));
    max-width: calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap) - 48px);
    max-height: min(88dvh, 900px);
  }

  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
  body.chat-room-open .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-body {
    min-height: 200px;
    padding: 16px 52px;
  }

  /* 聊天室打开时，各类右侧抽屉避开聊天侧栏（聊天室 z-index 始终高于抽屉蒙层） */
  body.niepan-app.chat-room-open #detailModal.modal--beside-chat-room:not([hidden]) .modal-backdrop {
    right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
  }

  body.niepan-app.chat-room-open #strategyHistoryDrawer:not([hidden]) .modal-backdrop {
    right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
  }

  body.niepan-app.chat-room-open #detailModal .modal-panel,
  body.niepan-app.chat-room-open #sectorStockDrawer .modal-panel,
  body.niepan-app.chat-room-open #marketStockDrawer .modal-panel,
  body.niepan-app.chat-room-open #superReviewModal .modal-panel,
  body.niepan-app.chat-room-open #superAnalysisHistoryDrawer .modal-panel {
    right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
    width: min(980px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap)));
  }

  body.niepan-app.chat-room-open #profileCenterDrawer .modal-panel {
    right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
    width: min(420px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap)));
  }

  body.niepan-app.chat-room-open #superAnalysisModal .modal-panel {
    right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
    width: min(720px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap)));
  }

  body.niepan-app.chat-room-open #feedbackModal .modal-panel,
  body.niepan-app.chat-room-open #announcementDrawer .modal-panel {
    right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
    width: min(520px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap)));
  }

  body.niepan-app.chat-room-open #strategyHistoryDrawer:not([hidden]) .strategy-history-drawer-panel,
  body.niepan-app.chat-room-open #strategyHistoryDrawer:not([hidden]) .modal-panel {
    right: calc(var(--chat-sidebar-width) + var(--chat-content-gap));
    width: min(480px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap)));
  }

  body.niepan-app.chat-room-open #profileRewardModal .modal-panel,
  body.niepan-app.chat-room-open #profileGzhModal .modal-panel {
    left: calc((100vw - var(--chat-sidebar-width) - var(--chat-content-gap)) / 2);
    right: auto;
    transform: translate(-50%, -50%);
    width: min(400px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap) - 32px));
  }

  body.niepan-app.chat-room-open #stockAiResultModal .stock-ai-result-panel {
    width: min(520px, calc(100vw - var(--chat-sidebar-width) - var(--chat-content-gap) - 32px));
  }

  /* 聊天室打开后可用宽度变窄：状态栏三列改用弹性比例，避免「今日推荐」贴住聊天室 */
  body.niepan-app.chat-room-open .status-band {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr) minmax(0, 1.05fr) !important;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
  }

  body.niepan-app.chat-room-open .status-band > div {
    min-width: 0;
    box-sizing: border-box;
  }

  body.niepan-app.chat-room-open .recommend-status-card,
  body.niepan-app.chat-room-open .signal-status-card,
  body.niepan-app.chat-room-open .market-overview-card {
    min-width: 0;
  }

  body.niepan-app.chat-room-open .recommend-list,
  body.niepan-app.chat-room-open .signal-ticker {
    min-width: 0;
    max-width: 100%;
  }
}

/* 移动端：全屏弹层 */
@media (max-width: 768px) {
  body.niepan-app.chat-room-mobile-open {
    overflow: hidden;
    overscroll-behavior: none;
  }

  body.niepan-app.chat-room-mobile-open #appMain {
    overflow: hidden !important;
  }

  body.niepan-app.chat-room-open {
    padding-right: 0;
  }

  .chat-room-shell {
    position: fixed;
    inset: 0;
    z-index: var(--chat-shell-z-index);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: stretch;
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    overscroll-behavior: contain;
    isolation: isolate;
  }

  .chat-room-shell[hidden] {
    display: none !important;
  }

  .chat-room-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.28);
  }

  .chat-room-shell .chat-room-panel {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    align-self: stretch;
    width: 100%;
    max-width: none;
    min-height: 0;
    height: auto;
    margin: 0;
  }

  .chat-room-shell .chat-room-head {
    padding-top: max(12px, env(safe-area-inset-top, 0px));
  }

  .chat-emoji-picker:not([hidden]) {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    padding: 12px;
    max-height: calc(((100cqw - 60px) / 4) * 2.5 + 36px);
  }

  .chat-emoji-btn {
    height: 80px;
    aspect-ratio: unset;
  }

  .chat-emoji-btn img {
    width: 72px;
    height: 72px;
  }

  /* 移动端聊天室 / 意见反馈 / 图片预览：统一全屏 */
  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]),
  body.chat-room-open .feedback-image-lightbox:not([hidden]),
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]),
  body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]),
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: stretch;
    padding: 0;
    overscroll-behavior: contain;
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
  body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-panel,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-panel {
    flex: 1 1 auto;
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    min-height: 0;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    grid-template-rows: auto minmax(0, 1fr) auto;
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-head,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-head,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-head,
  body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-head,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-head {
    padding:
      max(10px, env(safe-area-inset-top, 0px))
      max(12px, env(safe-area-inset-right, 0px))
      10px
      max(12px, env(safe-area-inset-left, 0px));
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
  body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-body,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-body {
    min-height: 0;
    padding: 0 !important;
    overflow: hidden;
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
  body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-viewport img,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-viewport img {
    position: static;
    transform: none;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center center;
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-footer,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-footer,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-footer,
  body.feedback-image-lightbox-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-footer,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-footer {
    display: block;
    padding:
      10px max(12px, env(safe-area-inset-right, 0px))
      max(12px, env(safe-area-inset-bottom, 0px))
      max(12px, env(safe-area-inset-left, 0px));
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-nav {
    width: 44px;
    height: 44px;
    font-size: 26px;
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav.is-prev,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav.is-prev,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav.is-prev,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-nav.is-prev {
    left: max(6px, env(safe-area-inset-left, 0px));
  }

  body.chat-room-mobile-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav.is-next,
  body.chat-room-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav.is-next,
  body.feedback-sheet-open .feedback-image-lightbox:not([hidden]) .feedback-image-lightbox-nav.is-next,
  .feedback-image-lightbox.feedback-image-lightbox--over-chat:not([hidden]) .feedback-image-lightbox-nav.is-next {
    right: max(6px, env(safe-area-inset-right, 0px));
  }
}