:root{
  --wx-green:#07C160; --wx-green-d:#06AD56; --bubble-me:#95EC69; --bubble-you:#FFFFFF;
  --chat-bg:#EDEDED; --side-bg:#F7F7F7; --side-dark:#2E3238; --line:#E2E2E2; --txt:#181818; --sub:#999; --blue:#576B95;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;height:100%;font-family:-apple-system,"PingFang TC","Microsoft JhengHei",Helvetica,sans-serif;color:var(--txt);}
body{background:#d5d5d5;overflow:hidden;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
img{max-width:100%;}
.hidden{display:none !important;}

/* ============ 頭像 ============ */
.avatar{border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:500;flex:0 0 auto;overflow:hidden;background-size:cover;}

/* ============ 登入 / 註冊 ============ */
#auth{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#07C160 0%,#0a8f4d 100%);padding:20px;}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.25);width:100%;max-width:380px;padding:36px 30px 30px;}
.auth-logo{text-align:center;margin-bottom:8px;}
.auth-logo .ic{width:60px;height:60px;border-radius:16px;background:var(--wx-green);display:inline-flex;align-items:center;justify-content:center;font-size:32px;box-shadow:0 6px 16px rgba(7,193,96,.35);}
.auth-title{text-align:center;font-size:22px;font-weight:700;margin:12px 0 2px;}
.auth-sub{text-align:center;font-size:13px;color:var(--sub);margin-bottom:22px;}
.auth-tabs{display:flex;background:#f0f0f0;border-radius:10px;padding:4px;margin-bottom:20px;}
.auth-tab{flex:1;text-align:center;padding:9px;border-radius:7px;font-size:14px;color:#666;cursor:pointer;transition:.15s;}
.auth-tab.active{background:#fff;color:#000;font-weight:600;box-shadow:0 1px 4px rgba(0,0,0,.08);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12px;color:#888;margin-bottom:6px;}
.field input{width:100%;height:46px;border:1.5px solid #e5e5e5;border-radius:10px;padding:0 14px;font-size:15px;outline:none;transition:.15s;background:#fafafa;}
.field input:focus{border-color:var(--wx-green);background:#fff;}
.field.invite-row{display:none;}
#auth[data-mode=register] .field.invite-row{display:block;}
#auth[data-mode=register] .login-only{display:none;}
.auth-btn{width:100%;height:48px;background:var(--wx-green);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;margin-top:6px;transition:.15s;}
.auth-btn:active{transform:scale(.98);} .auth-btn:disabled{opacity:.6;}
.auth-err{color:#FA5151;font-size:13px;text-align:center;min-height:18px;margin-top:12px;}
.auth-hint{font-size:12px;color:#aaa;text-align:center;margin-top:16px;line-height:1.6;}
.auth-hint code{background:#f0f0f0;padding:1px 6px;border-radius:4px;color:#07C160;}

/* ============ App 主容器（微信三欄）============ */
#app{display:flex;height:100vh;max-width:1200px;margin:0 auto;background:#fff;box-shadow:0 0 40px rgba(0,0,0,.12);position:relative;}

/* ---- 電腦版左側功能欄 ---- */
.rail{width:58px;flex:0 0 58px;background:#2E2E2E;display:flex;flex-direction:column;align-items:center;padding:26px 0 16px;}
.rail-avatar{width:38px;height:38px;font-size:15px;cursor:pointer;margin-bottom:28px;}
.rail-tabs{display:flex;flex-direction:column;gap:22px;flex:1;}
.rail-bottom{display:flex;flex-direction:column;gap:18px;}
.rail-btn{background:none;border:none;width:34px;height:34px;color:#8b8b8b;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;border-radius:6px;}
.rail-btn svg{width:26px;height:26px;}
.rail-btn:hover{color:#c8c8c8;}
#app[data-tab=chats] .rail-btn[data-tab=chats],#app[data-tab=contacts] .rail-btn[data-tab=contacts],#app[data-tab=discover] .rail-btn[data-tab=discover]{color:var(--wx-green);}
.rail-badge{position:absolute;top:-2px;right:0;min-width:8px;height:8px;background:#FA5151;border-radius:5px;display:none;}
.rail-badge.show{display:block;}

/* ---- 中間列表欄 ---- */
.panels{width:300px;flex:0 0 300px;background:var(--side-bg);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0;position:relative;}
.pane{display:none;flex-direction:column;height:100%;min-height:0;}
#app[data-tab=chats] .pane[data-pane=chats],#app[data-tab=contacts] .pane[data-pane=contacts],#app[data-tab=discover] .pane[data-pane=discover],#app[data-tab=me] .pane[data-pane=me]{display:flex;}
.pane-head{height:52px;flex:0 0 52px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line);}
.pane-title{font-size:17px;font-weight:600;}
.pane-add{width:30px;height:30px;border:none;background:#ececec;border-radius:7px;font-size:18px;color:#333;}
.pane-search{padding:8px 12px;}
.pane-search input{width:100%;height:32px;border:none;background:#e5e5e5;border-radius:6px;padding:0 12px 0 30px;font-size:13px;outline:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:9px center;}
.contact-list{flex:1;overflow-y:auto;}

/* ---- 通訊錄頁 ---- */
.contacts-page{flex:1;overflow-y:auto;}
.contact-entry{display:flex;align-items:center;gap:12px;padding:11px 16px;cursor:pointer;background:#fff;}
.contact-entry:active{background:#ececec;}
.contact-entry .avatar{width:38px;height:38px;font-size:15px;border-radius:5px;}
.az-header{padding:4px 16px;font-size:12px;color:#999;background:var(--side-bg);position:sticky;top:0;}
.contact-func{display:flex;align-items:center;gap:12px;padding:11px 16px;cursor:pointer;background:#fff;}
.contact-func .cf-ic{width:38px;height:38px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:19px;color:#fff;}

/* ---- 發現頁 ---- */
.discover-list{flex:1;overflow-y:auto;background:var(--side-bg);}
.disc-group{background:#fff;margin-top:9px;}
.disc-row{display:flex;align-items:center;gap:14px;padding:13px 16px;cursor:pointer;position:relative;font-size:16px;}
.disc-row:active{background:#f0f0f0;}
.disc-row+.disc-row::before{content:"";position:absolute;left:50px;right:0;top:0;height:.5px;background:var(--line);}
.disc-ic{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;}
.disc-name{flex:1;}
.disc-row .chev{color:#c8c8c8;}

/* ---- 我的頁 ---- */
.me-page{flex:1;overflow-y:auto;background:var(--side-bg);}
.me-card{background:#fff;padding:28px 18px 22px;display:flex;align-items:center;gap:16px;cursor:pointer;}
.me-card .avatar{width:62px;height:62px;font-size:26px;border-radius:10px;}
.me-card .mc-name{font-size:19px;font-weight:600;}
.me-card .mc-sub{font-size:13px;color:var(--sub);margin-top:6px;}
.me-group{background:#fff;margin-top:9px;}
.me-row{display:flex;align-items:center;gap:14px;padding:13px 16px;cursor:pointer;position:relative;font-size:16px;}
.me-row:active{background:#f0f0f0;}
.me-row+.me-row::before{content:"";position:absolute;left:50px;right:0;top:0;height:.5px;background:var(--line);}
.me-row .mr-ic{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;}
.me-row .mr-name{flex:1;}
.me-row .mr-val{color:#999;font-size:14px;}
.me-row .chev{color:#c8c8c8;}

/* ---- 右上＋號選單 ---- */
.plus-menu{position:absolute;top:48px;left:250px;background:#4c4c4c;border-radius:8px;z-index:70;display:none;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.3);}
.plus-menu.show{display:block;}
.plus-menu .pm-item{padding:12px 20px 12px 16px;color:#fff;font-size:14px;cursor:pointer;white-space:nowrap;}
.plus-menu .pm-item+.pm-item{border-top:.5px solid #5e5e5e;}
.plus-menu .pm-item:hover{background:#5a5a5a;}

/* ---- 底部 TabBar（手機版）---- */
.tabbar{display:none;}

/* ---- 主聊天區 ---- */
.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--chat-bg);position:relative;}
.content{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--chat-bg);position:relative;}
.contact{display:flex;align-items:center;gap:11px;padding:12px 14px;cursor:pointer;position:relative;}
.contact:hover{background:#ececec;}
.contact.active{background:#d9d9d9;}
.contact .avatar{width:44px;height:44px;font-size:18px;}
.contact .c-main{flex:1;min-width:0;}
.contact .c-top{display:flex;justify-content:space-between;align-items:baseline;}
.contact .c-name{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.contact .c-time{font-size:11px;color:#bbb;flex:0 0 auto;margin-left:6px;}
.contact .c-msg{font-size:13px;color:#999;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px;}
.contact .c-badge{position:absolute;top:9px;left:44px;background:#FA5151;color:#fff;font-size:10px;min-width:17px;height:17px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px;border:1.5px solid var(--side-bg);}
.presence{width:9px;height:9px;border-radius:50%;background:#bbb;position:absolute;bottom:11px;left:44px;border:2px solid var(--side-bg);}
.presence.on{background:#07C160;}

/* ---- 主聊天區 ---- */
.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--chat-bg);position:relative;}
.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#c8c8c8;gap:14px;}
.chat-empty .big{font-size:64px;}
.chat-head{height:58px;flex:0 0 58px;background:var(--chat-bg);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 16px;gap:10px;}
.chat-head .back-btn{background:none;border:none;font-size:26px;color:#333;display:none;padding:0 4px 0 0;line-height:1;}
.chat-head .ch-title{flex:1;min-width:0;}
.chat-head .ch-name{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.chat-head .ch-status{font-size:12px;color:var(--sub);}
.chat-head .ch-status.on{color:#07C160;}
.chat-head .ch-act{display:flex;gap:6px;}
.chat-head .ch-act button{width:36px;height:36px;border-radius:8px;border:none;background:transparent;font-size:19px;color:#4b4b4b;}
.chat-head .ch-act button:hover{background:#e2e2e2;}

.msgs{flex:1;overflow-y:auto;padding:16px 16px 6px;}
.msgs .day{text-align:center;font-size:12px;color:#a8a8a8;margin:10px 0;}
.m{display:flex;gap:10px;margin-bottom:16px;align-items:flex-start;}
.m .avatar{width:40px;height:40px;font-size:17px;border-radius:5px;}
.m .m-body{max-width:min(64%,460px);position:relative;}
.m .bubble{padding:9px 13px;border-radius:6px;font-size:15px;line-height:1.45;background:var(--bubble-you);position:relative;word-break:break-word;white-space:pre-wrap;box-shadow:0 1px 1px rgba(0,0,0,.03);}
.m .bubble .arw{position:absolute;top:13px;width:0;height:0;border:6px solid transparent;}
.m.you .bubble .arw{left:-11px;border-right-color:var(--bubble-you);}
.m.me{flex-direction:row-reverse;}
.m.me .bubble{background:var(--bubble-me);}
.m.me .bubble .arw{right:-11px;border-left-color:var(--bubble-me);}
.m.me .m-body{display:flex;flex-direction:column;align-items:flex-end;}
.m .read{font-size:11px;color:#b0b0b0;margin-top:3px;display:flex;align-items:center;gap:3px;justify-content:flex-end;}
.m .read .ticks{display:inline-flex;} .m .read .ticks svg{width:15px;height:10px;}
.m .read .ticks.blue{color:#4FC3F7;}
.m .emoji-big{font-size:34px;line-height:1.2;}
.m .m-img{border-radius:6px;max-width:180px;max-height:220px;display:block;cursor:pointer;}
.m .rp{width:236px;background:#FA9D3B;border-radius:8px;overflow:hidden;cursor:pointer;color:#fff;}
.m .rp.transfer{background:#F0A73C;}
.m .rp .rp-svg{width:34px;height:38px;flex:0 0 auto;}
.m .rp.transfer .rp-svg{width:34px;height:34px;}
.m .rp .rp-txt{min-width:0;flex:1;}
.rpr{background:#C94A3B;border-radius:14px;overflow:hidden;color:#fff;width:100%;max-width:300px;}
.rpr-head{padding:26px 20px 20px;text-align:center;}
.rpr-ic{font-size:40px;}
.rpr-from{font-size:15px;margin-top:8px;opacity:.95;}
.rpr-note{font-size:13px;opacity:.8;margin-top:4px;}
.rpr-amt{font-size:38px;font-weight:700;color:#FFE08A;margin-top:14px;}
.rpr-tip{font-size:12px;opacity:.8;margin-top:4px;}
.rpr-list{background:#fff;color:#333;padding:12px 16px;max-height:200px;overflow-y:auto;}
.rpr-title{font-size:12px;color:#999;margin-bottom:8px;}
.rpr-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px;border-bottom:.5px solid #f0f0f0;}
.rpr-row b{color:#FA9D3B;}
.rpr-close{width:100%;background:#fff;color:#576B95;border:none;border-top:.5px solid #eee;padding:13px;font-size:15px;cursor:pointer;}
.m .rp.opened{background:#E4B577;}
.m .rp .rp-top{padding:14px;display:flex;align-items:center;gap:12px;}
.m .rp .rp-ic{font-size:28px;}
.m .rp .rp-t{font-size:14px;font-weight:500;}
.m .rp .rp-s{font-size:11px;opacity:.85;margin-top:3px;}
.m .rp .rp-b{background:rgba(0,0,0,.07);padding:5px 12px;font-size:11px;opacity:.9;}
.m .call-log{font-size:14px;color:#333;display:flex;align-items:center;gap:6px;}
.sys-tip{text-align:center;font-size:12px;color:#a8a8a8;margin:10px auto;background:rgba(0,0,0,.05);padding:3px 10px;border-radius:4px;width:fit-content;max-width:80%;}
.typing-row{padding:0 0 8px 66px;font-size:12px;color:#999;height:20px;}

/* ---- 輸入列 ---- */
.composer{flex:0 0 auto;background:var(--side-bg);border-top:1px solid var(--line);}
.composer .tools{display:flex;gap:14px;padding:8px 16px 4px;font-size:21px;color:#5b5b5b;}
.composer .tools button{background:none;border:none;font-size:21px;color:#5b5b5b;padding:2px;line-height:1;}
.composer .input-row{display:flex;align-items:flex-end;gap:10px;padding:2px 12px 12px;}
.composer textarea{flex:1;min-height:40px;max-height:120px;border:none;background:#fff;border-radius:8px;padding:10px 12px;font-size:15px;outline:none;resize:none;line-height:1.4;}
.composer .send-btn{background:var(--wx-green);color:#fff;border:none;border-radius:7px;height:40px;padding:0 20px;font-size:14px;font-weight:500;flex:0 0 auto;}
.composer .send-btn:disabled{opacity:.5;}
.emoji-pop{display:none;flex-wrap:wrap;gap:2px;max-height:180px;overflow-y:auto;padding:8px 12px;border-top:1px solid var(--line);}
.emoji-pop.show{display:flex;}
.emoji-pop span{font-size:24px;padding:4px;border-radius:6px;cursor:pointer;}
.emoji-pop span:hover{background:#e2e2e2;}

/* ============ 彈窗 / 浮層 ============ */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:200;padding:20px;}
.overlay.show{display:flex;}
.dialog{background:#fff;border-radius:14px;width:100%;max-width:340px;overflow:hidden;}
.dialog .dh{padding:18px 18px 6px;font-size:17px;font-weight:600;text-align:center;}
.dialog .dc{padding:6px 18px 16px;}
.dialog .field{margin-bottom:12px;}
.dialog .drow{display:flex;gap:10px;padding:0 18px 18px;}
.dialog .drow button{flex:1;height:42px;border-radius:9px;border:none;font-size:15px;}
.dialog .drow .cancel{background:#f0f0f0;color:#333;}
.dialog .drow .ok{background:var(--wx-green);color:#fff;}
.search-result{margin:6px 0 14px;padding:12px;border:1px solid var(--line);border-radius:10px;display:none;align-items:center;gap:12px;}
.search-result.show{display:flex;}
.search-result .avatar{width:44px;height:44px;font-size:18px;}

/* ---- 通話 ---- */
.call-scr{position:fixed;inset:0;background:linear-gradient(160deg,#2b2f36,#15181d);z-index:300;display:none;flex-direction:column;align-items:center;color:#fff;padding-top:14vh;}
.call-scr.show{display:flex;} .call-scr.video{background:#000;}
.call-scr .cs-name{font-size:24px;font-weight:500;}
.call-scr .cs-status{font-size:14px;opacity:.7;margin-top:10px;}
.call-scr .cs-avatar{width:96px;height:96px;border-radius:14px;margin-top:40px;font-size:42px;}
.call-scr .cs-actions{position:absolute;bottom:12vh;display:flex;gap:60px;}
.call-scr .cbtn{width:66px;height:66px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;border:none;color:#fff;}
.call-scr .cbtn.hang{background:#FA5151;} .call-scr .cbtn.acc{background:#07C160;}

/* ---- toast ---- */
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-80px);background:rgba(0,0,0,.82);color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;z-index:400;opacity:0;transition:.25s;pointer-events:none;max-width:80%;text-align:center;white-space:pre-line;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ============ 語音訊息 ============ */
.m .bubble.voice{display:flex;align-items:center;gap:8px;cursor:pointer;min-width:80px;}
.m .bubble.voice .v-wave{letter-spacing:1px;color:#7a7a7a;font-size:10px;}
.m.me .bubble.voice .v-wave{color:#3a6b2a;}
.m .bubble.voice.playing .v-ic{animation:pulse .6s infinite;}
@keyframes pulse{50%{opacity:.4;}}
.composer .tools button.recording{color:#FA5151;font-weight:600;}

/* ============ 群組發送者名稱 ============ */
.m .g-sender{font-size:12px;color:#9a9a9a;margin-bottom:3px;margin-left:2px;}
.m.me .g-sender{display:none;}

/* ============ 撤回按鈕（hover 顯示）============ */
.bubble-wrap{position:relative;display:inline-block;}
.m.me .bubble-wrap{display:flex;align-items:center;}
.recall-btn{opacity:0;background:#e0e0e0;border:none;border-radius:50%;width:24px;height:24px;font-size:12px;color:#555;margin-right:6px;transition:opacity .15s;flex:0 0 auto;order:-1;}
.m:hover .recall-btn{opacity:1;}

/* ============ 側欄按鈕列 ============ */
.side-head .icon-btn{margin-left:4px;}
.side-head .icon-btn#checkinBtn.done{background:#07C160;color:#fff;}

/* ============ 建群成員挑選（微信風格）============ */
.picker-dialog{max-width:360px;}
.picker-name{width:100%;height:42px;border:none;border-bottom:1px solid var(--line);font-size:15px;outline:none;padding:0 2px;}
.picker-search-wrap{padding:10px 16px;}
.picker-search{width:100%;height:34px;background:#ededed;border:none;border-radius:8px;padding:0 12px;font-size:13px;outline:none;}
.selected-row{display:none;gap:8px;padding:4px 16px 10px;flex-wrap:wrap;border-bottom:1px solid var(--line);}
.selected-row .sel-ava{width:38px;height:38px;font-size:16px;border-radius:6px;cursor:pointer;}
.member-pick{max-height:44vh;overflow-y:auto;}
.pick-item{display:flex;align-items:center;gap:12px;padding:10px 16px;cursor:pointer;font-size:15px;position:relative;}
.pick-item:active{background:#f0f0f0;}
.pick-item+.pick-item .pick-name::before{content:"";position:absolute;left:84px;right:0;top:0;height:.5px;background:#eee;}
.pick-check{width:22px;height:22px;border-radius:50%;border:1.5px solid #ccc;flex:0 0 auto;display:flex;align-items:center;justify-content:center;transition:.12s;}
.pick-item.on .pick-check{background:var(--wx-green);border-color:var(--wx-green);}
.pick-item.on .pick-check::after{content:"✓";color:#fff;font-size:14px;font-weight:bold;}
.pick-item .avatar{width:40px;height:40px;font-size:16px;}
.pick-item .pick-name{flex:1;}
#groupOkBtn:disabled{opacity:.5;}

/* ============ WebRTC 視訊 ============ */
.call-scr .cs-info{display:flex;flex-direction:column;align-items:center;z-index:2;}
.remote-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;display:none;z-index:1;}
.call-scr.video .remote-video{display:block;}
.call-scr.video .cs-info{position:absolute;top:6vh;}
.call-scr.video .cs-avatar{display:none;}
.local-video{position:absolute;top:14px;right:14px;width:96px;height:132px;object-fit:cover;border-radius:10px;border:1.5px solid rgba(255,255,255,.5);background:#222;z-index:3;display:none;}
.call-scr.video .local-video{display:block;}

/* ============ 貼圖 ============ */
.sticker-pop{display:none;flex-wrap:wrap;gap:4px;max-height:200px;overflow-y:auto;padding:10px 12px;border-top:1px solid var(--line);align-content:flex-start;}
.sticker-pop.show{display:flex;}
.sticker-pop span{font-size:38px;padding:4px;border-radius:8px;cursor:pointer;}
.sticker-pop span:hover{background:#e2e2e2;}
.sticker-store-btn{width:100%;text-align:center;padding:8px;color:var(--wx-green);font-size:13px;cursor:pointer;border-top:1px dashed var(--line);margin-top:4px;}
.sticker-msg{font-size:62px;line-height:1.1;}
.store-pack{display:flex;align-items:center;gap:12px;padding:12px 6px;border-bottom:1px solid var(--line);}
.store-emojis{font-size:22px;letter-spacing:1px;flex:0 0 auto;}
.store-name{flex:1;font-size:15px;font-weight:500;}
.store-btn{background:var(--wx-green);color:#fff;border:none;border-radius:16px;padding:6px 14px;font-size:13px;}
.store-btn.owned{background:#e0e0e0;color:#999;}

/* ============ 語音轉文字 ============ */
.v2t{font-size:12px;color:#576B95;margin-top:4px;cursor:pointer;display:inline-block;}
.m.me .v2t{align-self:flex-end;}
.v2t-text{display:none;background:#fff;border-radius:6px;padding:8px 10px;font-size:13px;color:#333;margin-top:4px;max-width:240px;border:1px solid #eee;}
.v2t-text.show{display:block;}

/* ============ 訊息搜尋結果 ============ */
.search-sec-title{padding:10px 14px 4px;font-size:12px;color:#999;background:#f0f0f0;}
.contact .c-msg mark{background:#fff2a8;color:#e6572d;padding:0 1px;border-radius:2px;}

/* ============ 群組通話 ============ */
.gcall-scr{position:fixed;inset:0;background:#15181d;z-index:310;display:none;flex-direction:column;color:#fff;}
.gcall-scr.show{display:flex;}
.gcall-head{padding:20px;text-align:center;}
.gcall-head #gcallTitle{font-size:18px;font-weight:500;display:block;}
.gcall-head #gcallStatus{font-size:13px;opacity:.7;margin-top:6px;display:block;}
.gcall-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;padding:16px;align-content:start;overflow-y:auto;}
.gtile{background:#2a2f36;border-radius:12px;aspect-ratio:3/4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;position:relative;overflow:hidden;}
.gvid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;}
.gava{width:64px;height:64px;font-size:26px;border-radius:12px;}
.gname{position:absolute;bottom:8px;left:8px;font-size:12px;background:rgba(0,0,0,.5);padding:2px 8px;border-radius:8px;z-index:2;}
.gcall-actions{display:flex;justify-content:center;padding:24px;}

/* ============ 朋友圈 ============ */
#momentsPane{display:none;flex-direction:column;height:100%;background:#fff;}
#momentsPane:not(.hidden){display:flex;}
.moments-head{height:52px;flex:0 0 52px;display:flex;align-items:center;padding:0 12px;gap:8px;border-bottom:1px solid var(--line);background:#fff;}
.moments-head .back-btn{background:none;border:none;font-size:26px;color:#333;display:none;line-height:1;}
.moments-head .mh-title{flex:1;font-size:17px;font-weight:600;}
.moments-head .mh-post{background:none;border:none;font-size:20px;cursor:pointer;}
.moments-scroll{flex:1;overflow-y:auto;}
.mo-cover{height:220px;background:linear-gradient(135deg,#3a4a5a,#5a8f9f);position:relative;}
.mo-me{position:absolute;bottom:-24px;right:16px;display:flex;align-items:flex-end;gap:12px;}
.mo-me .name{color:#fff;font-size:16px;font-weight:600;margin-bottom:34px;text-shadow:0 1px 3px rgba(0,0,0,.4);}
.mo-me .avatar{width:62px;height:62px;font-size:26px;border:2px solid #fff;border-radius:10px;}
.moment{display:flex;gap:11px;padding:18px 14px 10px;position:relative;}
.moment+.moment::before{content:"";position:absolute;left:58px;right:0;top:0;height:.5px;background:#eee;}
.moment:first-child{margin-top:34px;}
.moment .avatar{width:40px;height:40px;font-size:16px;border-radius:6px;}
.mo-main{flex:1;min-width:0;}
.mo-name{color:#576B95;font-size:15px;font-weight:500;}
.mo-text{font-size:15px;color:#181818;margin:5px 0;line-height:1.45;white-space:pre-wrap;word-break:break-word;}
.mo-imgs{display:grid;gap:4px;margin:6px 0;max-width:230px;}
.mo-imgs.g1{grid-template-columns:1fr;max-width:160px;}
.mo-imgs.g2,.mo-imgs.g4{grid-template-columns:1fr 1fr;}
.mo-imgs.g3,.mo-imgs.g5,.mo-imgs.g6,.mo-imgs.g7,.mo-imgs.g8,.mo-imgs.g9{grid-template-columns:1fr 1fr 1fr;}
.mo-imgs img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:4px;background:#eee;}
.mo-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:6px;}
.mo-time{font-size:12px;color:#b2b2b2;}
.mo-perm{font-size:11px;color:#aaa;border:.5px solid #ddd;border-radius:3px;padding:0 4px;margin-left:6px;}
.mo-actbtn{background:#f0f0f0;border:none;border-radius:4px;padding:4px 9px;cursor:pointer;color:#576B95;font-size:15px;font-weight:bold;line-height:1;}
.mo-like{background:#f7f7f7;border-radius:4px 4px 0 0;padding:7px 10px;font-size:13px;color:#576B95;display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:6px;}
.mo-like .lk-ic{color:#576B95;}
.mo-comments{background:#f7f7f7;border-radius:0 0 4px 4px;padding:4px 10px 8px;}
.mo-comments.top{border-radius:4px;margin-top:6px;}
.mo-cmt{font-size:13px;color:#333;padding:3px 0;line-height:1.4;}
.mo-cmt b{color:#576B95;font-weight:400;}
.mo-actions{position:relative;}
.mo-pop{position:absolute;right:100%;top:0;margin-right:6px;background:#4c4c4c;border-radius:6px;display:none;overflow:hidden;z-index:5;}
.mo-pop.show{display:flex;}
.mo-pop button{background:none;border:none;color:#fff;font-size:13px;padding:8px 14px;white-space:nowrap;cursor:pointer;}
.mo-pop button:hover{background:#5a5a5a;}
.mo-cmt-input{display:none;padding:8px 10px;background:#f7f7f7;gap:8px;}
.mo-cmt-input.show{display:flex;}
.mo-cmt-input input{flex:1;height:32px;border:1px solid #ddd;border-radius:6px;padding:0 10px;font-size:13px;outline:none;}
.mo-cmt-input button{background:var(--wx-green);color:#fff;border:none;border-radius:6px;padding:0 14px;font-size:13px;}

/* 發表朋友圈 */
.post-text{width:100%;min-height:90px;border:none;font-size:15px;outline:none;resize:vertical;line-height:1.5;}
.post-imgs{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0;}
.post-imgs .pi{position:relative;}
.post-imgs img{width:64px;height:64px;object-fit:cover;border-radius:6px;}
.post-imgs .pi-del{position:absolute;top:-6px;right:-6px;background:#FA5151;color:#fff;border:none;border-radius:50%;width:18px;height:18px;font-size:11px;cursor:pointer;line-height:1;}
.post-tools{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:10px;}
.post-tools button{background:#f0f0f0;border:none;border-radius:8px;padding:8px 12px;font-size:13px;cursor:pointer;}
.post-perm{border:1px solid #ddd;border-radius:8px;padding:7px 8px;font-size:13px;outline:none;background:#fff;}

/* ============ 發紅包（微信式全屏頁）============ */
.rp-page{position:absolute;inset:0;z-index:130;background:#1c1c1e;color:#fff;display:none;flex-direction:column;}
.rp-page.show{display:flex;}
.rpp-head{height:52px;flex:0 0 52px;display:flex;align-items:center;justify-content:center;position:relative;border-bottom:.5px solid #2c2c2e;}
.rpp-head .rpp-back{position:absolute;left:8px;background:none;border:none;color:#fff;font-size:28px;line-height:1;cursor:pointer;}
.rpp-title{font-size:17px;font-weight:600;}
.rpp-body{flex:1;overflow-y:auto;padding:16px;}
.rpp-type{color:#E8B563;font-size:15px;margin-bottom:14px;cursor:pointer;display:inline-block;}
.rpp-type .rpp-caret{font-size:12px;}
.rpp-block{background:#2c2c2e;border-radius:10px;margin-bottom:6px;}
.rpp-row{display:flex;align-items:center;gap:12px;padding:15px 14px;position:relative;}
.rpp-block .rpp-row+.rpp-row::before{content:"";position:absolute;left:14px;right:0;top:0;height:.5px;background:#3a3a3c;}
.rpp-ic{width:26px;height:26px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:14px;flex:0 0 auto;}
.rpp-ic.red{background:#EE5A52;} .rpp-ic.gold{background:#D9A441;color:#fff;font-weight:700;font-size:13px;}
.rpp-label{font-size:16px;flex:0 0 auto;}
.rpp-input{flex:1;background:none;border:none;color:#fff;font-size:16px;outline:none;min-width:0;}
.rpp-input.right{text-align:right;} .rpp-input::placeholder{color:#8a8a8e;}
.rpp-unit,.rpp-cur{color:#8a8a8e;font-size:15px;flex:0 0 auto;}
.rpp-cur{color:#fff;font-size:18px;font-weight:600;}
.rpp-hint{padding:8px 14px;font-size:12px;color:#8a8a8e;}
.rpp-big{text-align:center;font-size:44px;font-weight:600;margin:34px 0 22px;letter-spacing:1px;}
.rpp-send{display:block;width:180px;margin:0 auto;background:#EE5A52;color:#fff;border:none;border-radius:10px;height:48px;font-size:17px;font-weight:500;cursor:pointer;}
.rpp-send:active{filter:brightness(.92);}
.rpp-foot{text-align:center;font-size:12px;color:#7a7a7e;margin-top:26px;}
/* 類型選單 */
.rp-typesheet{position:absolute;left:0;right:0;bottom:0;background:#2c2c2e;color:#fff;border-radius:14px 14px 0 0;overflow:hidden;}
.rpts-item{padding:16px;border-bottom:.5px solid #3a3a3c;cursor:pointer;}
.rpts-item b{font-size:16px;} .rpts-item div{font-size:12px;color:#8a8a8e;margin-top:4px;}
.rpts-cancel{padding:16px;text-align:center;color:#E8B563;cursor:pointer;}

/* ============ 轉帳（微信式全屏頁）============ */
.tf-page{position:absolute;inset:0;z-index:130;background:#EDEDED;color:#181818;display:none;flex-direction:column;}
.tf-page.show{display:flex;}
.tfp-head{height:52px;flex:0 0 52px;background:#EDEDED;display:flex;align-items:center;justify-content:center;position:relative;border-bottom:.5px solid var(--line);}
.tfp-head .tfp-back{position:absolute;left:8px;background:none;border:none;color:#181818;font-size:28px;line-height:1;cursor:pointer;}
.tfp-title{font-size:17px;font-weight:600;}
.tfp-body{flex:1;overflow-y:auto;padding:24px 20px;}
.tfp-payee{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:26px;}
.tfp-payee .avatar{width:56px;height:56px;font-size:22px;border-radius:8px;}
.tfp-to{font-size:15px;color:#576B95;}
.tfp-amt-row{display:flex;align-items:center;justify-content:center;gap:8px;border-bottom:1px solid #d0d0d0;padding:8px 4px 14px;margin:0 4px;}
.tfp-cur{font-size:30px;font-weight:600;}
.tfp-amt{border:none;background:none;outline:none;font-size:46px;font-weight:600;width:60%;text-align:left;padding:0;}
.tfp-amt::placeholder{color:#c8c8c8;}
.tfp-note-row{margin-top:18px;}
.tfp-note-row input{width:100%;height:44px;border:none;background:#fff;border-radius:8px;padding:0 14px;font-size:15px;outline:none;}
.tfp-balance{text-align:center;font-size:13px;color:#999;margin-top:16px;}
.tfp-send{display:block;width:200px;margin:32px auto 0;background:var(--wx-green);color:#fff;border:none;border-radius:8px;height:48px;font-size:17px;font-weight:500;cursor:pointer;}
.tfp-send:active{filter:brightness(.94);}

/* ============ 頭像上傳 / 管理標記 ============ */
.ava-cam{position:absolute;right:-2px;bottom:-2px;font-size:12px;background:#fff;border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 3px rgba(0,0,0,.2);}

/* ============ 通訊錄側邊索引 ============ */
.contacts-page{position:relative;}
.az-bar{position:absolute;right:2px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:1px;z-index:5;}
.az-bar span{font-size:11px;color:#576B95;cursor:pointer;padding:0 4px;line-height:1.35;}
.az-bar span:active{color:#07C160;}

/* ============ 群設定 ============ */
.gs-row{display:flex;align-items:center;justify-content:space-between;font-size:15px;padding:6px 0;}
.gs-hint{font-size:12px;color:#999;line-height:1.5;margin-top:4px;}
.sw{width:44px;height:26px;background:#ccc;border-radius:13px;position:relative;cursor:pointer;transition:background .2s;flex:0 0 auto;}
.sw.on{background:var(--wx-green);}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;background:#fff;border-radius:50%;transition:left .2s;}
.sw.on::after{left:20px;}
.gs-mtitle{font-size:12px;color:#999;margin:14px 0 6px;}
.gs-members{max-height:220px;overflow-y:auto;}
.gs-member{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14px;}
.gs-member .avatar{width:34px;height:34px;font-size:14px;border-radius:6px;}

/* ============ 視頻 ============ */
#videoPane{display:none;flex-direction:column;height:100%;background:#fff;}
#videoPane:not(.hidden){display:flex;}
.video-cats{display:flex;gap:8px;padding:10px 14px;overflow-x:auto;border-bottom:1px solid var(--line);flex:0 0 auto;}
.video-cats .vc{white-space:nowrap;font-size:14px;color:#555;padding:5px 12px;border-radius:16px;background:#f0f0f0;cursor:pointer;}
.video-cats .vc.on{background:var(--wx-green);color:#fff;}
.video-list{flex:1;overflow-y:auto;padding:12px;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;align-content:start;}
.vitem{cursor:pointer;border-radius:10px;overflow:hidden;background:#fafafa;border:1px solid #eee;}
.vcover{aspect-ratio:16/10;background:#222 center/cover no-repeat;display:flex;align-items:center;justify-content:center;font-size:32px;position:relative;}
.vcover .vplay{position:absolute;width:44px;height:44px;background:rgba(0,0,0,.45);border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;}
.vmeta{padding:8px 10px;}
.vtitle{font-size:14px;font-weight:500;line-height:1.35;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.vdetail{font-size:12px;color:#999;margin-top:4px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}

/* ============ RWD：手機版 ============ */
@media (max-width:820px){
  #app{max-width:none;box-shadow:none;}
  .rail{display:none;}
  .panels{width:100%;flex:0 0 100%;padding-bottom:52px;}
  .content{position:fixed;inset:0;z-index:60;transform:translateX(100%);transition:transform .25s ease;}
  #app[data-view=chat] .content{transform:translateX(0);}
  .chat-head .back-btn,.moments-head .back-btn{display:block;}
  .m .m-body{max-width:72%;}
  /* 底部 TabBar */
  .tabbar{display:flex;position:fixed;bottom:0;left:0;right:0;height:52px;background:#F7F7F7;border-top:.5px solid var(--line);z-index:55;padding-bottom:env(safe-area-inset-bottom);}
  #app[data-view=chat] .tabbar{display:none;}
  .tab-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:none;border:none;color:#7a7a7a;font-size:11px;position:relative;}
  .tab-btn svg{width:25px;height:25px;}
  .tab-btn.active{color:var(--wx-green);}
  .tab-badge{position:absolute;top:5px;right:calc(50% - 20px);min-width:16px;height:16px;background:#FA5151;color:#fff;font-size:10px;border-radius:8px;display:none;align-items:center;justify-content:center;padding:0 4px;}
  .tab-badge.show{display:flex;}
  .plus-menu{left:auto;right:10px;top:46px;}
}
@media (min-width:821px){
  .content{transform:none !important;}
  .pane-add{cursor:pointer;}
}