/* WOW 社区聊天室 —— 内嵌聊天社交软件排版（项目特色浅色品牌风）
   参考客户端参考图的聊天排版：会话头部 / 消息气泡 / 输入栏 / 成员列表 */

.chat-page {
  color: #173143;
}
body.chat-page {
  background:
    radial-gradient(58rem 30rem at 88% -8%, rgba(64, 178, 236, 0.16), transparent 62%),
    radial-gradient(52rem 28rem at -10% 12%, rgba(24, 200, 153, 0.15), transparent 62%),
    linear-gradient(180deg, #e9f8f3 0%, #f2faf8 26rem, #f6fafc 100%);
}
body.chat-page::before,
body.chat-page::after { display: none; }

/* 覆盖 portal.css 暗色背景，确保聊天页整体浅色高级主题 */
.chat-page .site-shell { background: transparent; }
.chat-page .topbar {
  background: rgba(255,255,255,.9);
  border-color: rgba(194,213,222,.78);
  box-shadow: 0 8px 30px rgba(32,68,92,.06);
  backdrop-filter: blur(18px);
}
.chat-page .nav-links a,
.chat-page .portal-wallet-button,
.chat-page .notification-button { color: #435468; }
.chat-page .nav-links a.active { color: #087f74; }
.chat-page .portal-wallet-button {
  border-color: rgba(18,189,142,.35);
  background: rgba(18,189,142,.08);
}
.chat-page .menu-toggle span { background: #435468; }

/* 当被 iframe 内嵌在社区页时，隐藏独立底部导航与顶部 header，避免双层导航 */
.is-embedded-chat .mobile-bottom-nav,
.is-embedded-chat #topbar { display: none !important; }
.is-embedded-chat,
.is-embedded-chat body,
.is-embedded-chat .site-shell,
.is-embedded-chat .chat-main {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100%;
}
.is-embedded-chat .chat-main {
  padding: 0;
  width: 100%;
  max-width: none;
  flex: 1;
  min-height: 0;
}
.is-embedded-chat .chat-topbar {
  flex: none;
  border-radius: 0;
  border-inline: 0;
  border-top: 0;
  border-bottom-color: #e4eef0;
  background: rgba(255,255,255,.92);
}
.is-embedded-chat .chat-back {
  background: #fff;
  border-color: #dce8ed;
  color: #ef4444;
}
.is-embedded-chat .chat-shell {
  flex: 1;
  min-height: 0;
  margin-top: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.is-embedded-chat .chat-window { min-height: 0; }
.is-embedded-chat .chat-rules { display: none; }

.chat-main {
  width: min(calc(100% - 32px), 1460px);
  margin: 0 auto;
  padding: 20px 0 100px;
}

/* ── 顶部条（内嵌聊天应用的标题栏） ── */
.chat-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 26px;
  border: 1px solid #d9ebe8;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 40px rgba(30, 84, 96, 0.1);
  backdrop-filter: blur(16px);
}

.chat-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 9px 16px;
  border: 1px solid #d8e9e6;
  border-radius: 999px;
  color: #147c71;
  background: #f2fbf8;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.chat-back:hover {
  background: #e4f7f1;
  border-color: #b8e3d9;
  transform: translateX(-2px);
}

.chat-topbar-copy h1 {
  margin: 0;
  color: #123347;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.chat-topbar-copy p {
  margin: 4px 0 0;
  color: #6d808d;
  font-size: 12px;
}

.chat-topbar-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 9px 15px;
  border: 1px solid #f1d5a8;
  border-radius: 999px;
  color: #9a6a1f;
  background: #fff8e8;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.chat-topbar-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f0a92c;
  box-shadow: 0 0 0 4px rgba(240, 169, 44, 0.18);
}

/* ── 聊天主布局（三栏：频道 / 会话 / 成员） ── */
.chat-shell {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr) 216px;
  gap: 16px;
  margin-top: 18px;
  align-items: stretch;
}

.chat-sidebar,
.chat-window,
.chat-members {
  display: flex;
  flex-direction: column;
  border: 1px solid #dcebe8;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(30, 84, 96, 0.1), 0 2px 6px rgba(30, 84, 96, 0.05);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease;
}
.chat-sidebar:hover,
.chat-window:hover,
.chat-members:hover {
  box-shadow: 0 22px 52px rgba(30, 84, 96, 0.13), 0 4px 10px rgba(30, 84, 96, 0.06);
}

/* ── 频道侧栏 ── */
.chat-sidebar-head {
  padding: 14px 14px 12px;
  border-bottom: 1px solid #eef4f3;
}

.chat-sidebar-head > strong {
  display: block;
  margin-bottom: 10px;
  color: #17364a;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.chat-search input {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 12px;
  border: 1px solid #dce9e7;
  border-radius: 11px;
  outline: none;
  background: #f4faf9;
  color: #173143;
  font-size: 12px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.chat-search input:focus {
  border-color: #12bd8e;
  box-shadow: 0 0 0 3px rgba(18, 189, 142, 0.12);
}

.chat-channel-list {
  flex: 1;
  margin: 0;
  padding: 10px;
  list-style: none;
  overflow-y: auto;
}

.chat-channel-list li {
  margin-bottom: 2px;
}

.chat-channel-list button {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: #33475a;
  text-align: left;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.chat-channel-list button:hover {
  background: #f0f8f6;
  transform: translateX(2px);
}

.chat-channel-list button.is-active {
  background: linear-gradient(135deg, rgba(18, 189, 142, 0.13), rgba(37, 143, 229, 0.1));
  color: #0e8f6e;
}

.chat-channel-list button.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 60%;
  border-radius: 999px;
  background: linear-gradient(180deg, #12bd8e, #258fe5);
  transform: translateY(-50%);
}

.chat-channel-list i {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #f0f8f6;
  font-style: normal;
  font-size: 16px;
  transition: background 140ms ease, box-shadow 140ms ease;
}

.chat-channel-list button.is-active i {
  background: #fff;
  box-shadow: 0 2px 10px rgba(20, 150, 120, 0.16);
}

.chat-channel-list b {
  display: block;
  font-size: 13px;
}

.chat-channel-list small {
  display: block;
  color: #8a99a6;
  font-size: 10px;
}

.chat-sidebar-note {
  margin: 0;
  padding: 12px 14px;
  border-top: 1px solid #eef4f3;
  color: #8b99a4;
  font-size: 10px;
  line-height: 1.6;
}

/* ── 会话窗口 ── */
.chat-window {
  min-height: 640px;
}

.chat-window-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid #eef4f3;
  background: linear-gradient(180deg, #fcfefd, #f5faf9);
}

.chat-session {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.chat-session-avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #12bd8e, #258fe5);
  box-shadow: 0 6px 16px rgba(25, 161, 165, 0.24);
  font-size: 20px;
}

.chat-session-copy {
  min-width: 0;
}

.chat-session-copy b {
  display: block;
  color: #17364a;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-session-copy small {
  display: block;
  margin-top: 2px;
  color: #82939f;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-online-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.16), 0 0 12px rgba(34, 197, 94, 0.5);
}

.chat-member-count {
  flex: none;
  padding: 6px 12px;
  border-radius: 999px;
  color: #5f7380;
  background: #edf5f4;
  font-size: 11px;
  white-space: nowrap;
}

/* ── 消息区 ── */
.chat-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px 18px;
  overflow-y: auto;
  background:
    radial-gradient(30rem 18rem at 100% 0%, rgba(64, 178, 236, 0.07), transparent 60%),
    radial-gradient(26rem 16rem at 0% 100%, rgba(18, 189, 142, 0.07), transparent 60%),
    #fbfdfc;
}

/* 固定提示条：界面预览（不放假数据） */
.chat-preview-banner {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  padding: 10px 14px;
  border: 1px solid #f1d5a8;
  border-left: 3px solid #f0a92c;
  border-radius: 12px;
  background: #fff8e8;
}

.chat-preview-banner > span {
  font-size: 15px;
}

.chat-preview-banner p {
  margin: 0;
  color: #8a6a2e;
  font-size: 11px;
  line-height: 1.7;
}

.chat-preview-banner b {
  color: #7a5a20;
}

/* 日期分隔线 */
.chat-system-date {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 2px 0 14px;
  color: #98a6b0;
  font-size: 11px;
}

.chat-system-date::before,
.chat-system-date::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #e4ecee;
}

/* 系统消息（居中胶囊） */
.chat-system-msg {
  display: flex;
  gap: 12px;
  max-width: 560px;
  margin: 0 auto 16px;
  padding: 12px 16px;
  border: 1px solid #dcebe8;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(30, 84, 96, 0.06);
}

.chat-system-msg > span {
  font-size: 20px;
}

.chat-system-msg p {
  margin: 0;
  color: #5f7380;
  font-size: 12px;
  line-height: 1.7;
}

.chat-system-msg b {
  color: #17364a;
}

/* 消息气泡（参考内嵌聊天软件排版） */
.chat-message-list {
  display: flex;
  flex-direction: column;
}

.msg-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  animation: msg-in 260ms ease both;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.msg-row .msg-avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #12bd8e, #258fe5);
  box-shadow: 0 4px 12px rgba(25, 161, 165, 0.2);
  font-size: 14px;
  font-weight: 800;
  color: #fff;
}

.msg-row .msg-avatar.is-official {
  background: linear-gradient(135deg, #258fe5, #7c5cff);
  box-shadow: 0 4px 12px rgba(76, 110, 245, 0.24);
}

.msg-row .msg-body {
  max-width: 74%;
  min-width: 0;
}

.msg-row .msg-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 4px 2px;
  font-size: 11px;
}

.msg-row .msg-meta b {
  color: #31495c;
  font-size: 12px;
}

.msg-row .msg-meta .msg-tag {
  padding: 1px 7px;
  border-radius: 999px;
  color: #1b6fb8;
  background: rgba(37, 143, 229, 0.1);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.msg-row .msg-meta time {
  color: #9aa8b2;
}

.msg-bubble {
  padding: 11px 15px;
  border-radius: 4px 18px 18px 18px;
  background: #fff;
  border: 1px solid #e2ecef;
  box-shadow: 0 6px 18px rgba(30, 84, 96, 0.07);
  color: #33475a;
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
  transition: box-shadow .2s ease;
}
.msg-row:hover .msg-bubble {
  box-shadow: 0 8px 22px rgba(30, 84, 96, 0.1);
}

.msg-bubble em {
  color: #0e8f6e;
  font-style: normal;
  font-weight: 700;
}

/* 自己的消息（右侧品牌渐变气泡） */
.msg-row.is-me {
  flex-direction: row-reverse;
}

.msg-row.is-me .msg-body {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.msg-row.is-me .msg-meta {
  flex-direction: row-reverse;
  margin: 0 2px 4px 0;
}

.msg-row.is-me .msg-bubble {
  border-radius: 16px 4px 16px 16px;
  background: linear-gradient(135deg, #12bd8e, #0ea87e);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(18, 189, 142, 0.28);
}

/* ── 输入栏（内嵌聊天软件的底部工具栏） ── */
.chat-composer {
  padding: 14px 18px 12px;
  border-top: 1px solid #eef4f3;
  background: linear-gradient(180deg, #fcfefd, #f7fbfa);
}

.chat-composer-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 6px 14px;
  border: 1px solid #dce9e7;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(30, 84, 96, 0.06);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.chat-composer-box:focus-within {
  border-color: #12bd8e;
  box-shadow: 0 0 0 3px rgba(18, 189, 142, 0.12), 0 4px 14px rgba(30, 84, 96, 0.08);
}

.chat-composer-box input {
  flex: 1;
  min-width: 0;
  padding: 9px 4px;
  border: 0;
  outline: none;
  background: transparent;
  color: #173143;
  font-size: 13px;
}

.chat-composer-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  color: #5f7a8a;
  background: #f4faf9;
  font-size: 16px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.chat-composer-icon:hover:not(:disabled) {
  color: #0e8f6e;
  background: #e6f5f0;
  transform: scale(1.05);
}

.chat-send-btn {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #12bd8e, #258fe5);
  box-shadow: 0 6px 16px rgba(25, 161, 165, 0.32);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}

.chat-send-btn:hover:not(:disabled) {
  transform: scale(1.06) translateY(-1px);
  box-shadow: 0 10px 22px rgba(25, 161, 165, 0.4);
}

.chat-composer-box button:disabled,
.chat-composer-box input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.chat-composer-note {
  margin: 9px 0 0;
  color: #93a1ac;
  font-size: 10px;
}

/* ── 成员面板 ── */
.chat-members-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid #eef4f3;
  background: linear-gradient(180deg, #fcfefd, #f5faf9);
}

.chat-members-head strong {
  color: #17364a;
  font-size: 13px;
}

.chat-members-head span {
  color: #8a99a6;
  font-size: 11px;
}

.chat-members-body {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

.member-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 12px;
  transition: background .18s ease, transform .18s ease;
}

.member-row:hover {
  background: #f0f8f6;
  transform: translateX(2px);
}

.member-row .member-avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #12bd8e, #258fe5);
  font-size: 12px;
  font-weight: 800;
}

.member-row .member-avatar.is-official {
  background: linear-gradient(135deg, #258fe5, #7c5cff);
}

.member-row .member-copy {
  min-width: 0;
  flex: 1;
}

.member-row .member-copy b {
  display: block;
  color: #31495c;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.member-row .member-copy small {
  display: block;
  margin-top: 2px;
  color: #8a99a6;
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.member-row .member-status {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.chat-members-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 22px 10px;
  text-align: center;
}

.chat-members-empty span {
  color: #b7c9d0;
  font-size: 24px;
}

.chat-members-empty p {
  margin: 0;
  color: #93a1ac;
  font-size: 11px;
  line-height: 1.6;
}

/* ── 社区公约 ── */
.chat-rules {
  margin-top: 24px;
}

.chat-rules-card {
  padding: 28px 32px;
  border: 1px solid #dcebe8;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(30, 84, 96, 0.1), 0 2px 6px rgba(30, 84, 96, 0.05);
}

.chat-rules-card h2 {
  margin: 0 0 20px;
  color: #17364a;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.chat-rules-card ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chat-rules-card li {
  display: flex;
  gap: 12px;
  padding: 17px;
  border: 1px solid #e7eef1;
  border-radius: 16px;
  background: linear-gradient(160deg, #fbfefd, #f4faf8);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.chat-rules-card li:hover {
  transform: translateY(-3px);
  border-color: #c8e9e0;
  box-shadow: 0 10px 24px rgba(30, 84, 96, 0.08);
}

.chat-rules-card li b {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, #12bd8e, #258fe5);
  box-shadow: 0 4px 12px rgba(25, 161, 165, 0.22);
  font-size: 12px;
}

.chat-rules-card li strong {
  display: block;
  color: #17364a;
  font-size: 13px;
}

.chat-rules-card li small {
  display: block;
  margin-top: 4px;
  color: #7d8d99;
  font-size: 11px;
  line-height: 1.6;
}

/* ── 滚动条 ── */
.chat-channel-list::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar,
.chat-members-body::-webkit-scrollbar {
  width: 6px;
}

.chat-channel-list::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb,
.chat-members-body::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: #d5e4e2;
}

/* ── 响应式 ── */
@media (max-width: 1050px) {
  .chat-shell {
    grid-template-columns: 210px minmax(0, 1fr);
  }
  .chat-members {
    display: none;
  }
}

@media (max-width: 760px) {
  .chat-main {
    width: min(calc(100% - 16px), 1460px);
    padding-bottom: 120px;
  }
  .chat-topbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 18px;
  }
  .chat-topbar-copy h1 {
    font-size: 18px;
  }
  .chat-topbar-status {
    margin-left: 0;
    width: 100%;
  }
  .chat-shell {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .chat-sidebar {
    max-height: 200px;
  }
  .chat-window {
    min-height: 520px;
  }
  .chat-composer {
    padding: 12px 14px;
  }
  .chat-composer-box {
    gap: 8px;
    padding: 5px 6px 5px 12px;
  }
  .chat-rules-card {
    padding: 20px 18px;
  }
  .chat-rules-card ul {
    grid-template-columns: 1fr;
  }
  .chat-messages {
    padding: 12px;
  }
  .msg-row .msg-body {
    max-width: 84%;
  }
}