:root{
  --green:#07c160;
  --green-dark:#06ad56;
  --bg:#ededed;
  --panel:#f7f7f7;
  --card:#ffffff;
  --line:#e5e5e5;
  --text:#191919;
  --muted:#8a8a8a;
  --rail:#2e2e2e;
  --rail-2:#3a3a3a;
  --danger:#e64340;
  --warn:#f59e0b;
  --shadow:0 8px 30px rgba(0,0,0,.12);
  --radius:10px;
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
button:disabled{opacity:.5;cursor:not-allowed}
a{color:var(--green);text-decoration:none}
.hidden{display:none!important}
.muted{color:var(--muted)}
.error{color:var(--danger)}
.boot{height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted);background:#f5f5f5}
.boot img{width:64px;height:64px;border-radius:16px;opacity:.9}
.auth-root{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:radial-gradient(1200px 600px at 10% 0%,#e8fff2 0%,#f4f7f5 45%,#eef1f3 100%)}
.auth-card{width:min(420px,100%);background:rgba(255,255,255,.96);border:1px solid #e7ebe8;border-radius:16px;padding:30px 30px 24px;box-shadow:0 18px 60px rgba(20,60,40,.10)}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.auth-brand img{width:52px;height:52px;border-radius:14px}
.auth-brand h1{font-size:23px;margin:0;letter-spacing:0}
.auth-brand p{margin:4px 0 0;color:var(--muted);font-size:12.5px}
.auth-card h2{font-size:22px;margin:0 0 6px}
.auth-sub{color:var(--muted);margin:0 0 20px;line-height:1.6}
.form-field{display:flex;flex-direction:column;gap:6px;margin-bottom:13px}
.form-field label{font-size:12.5px;color:#555}
.form-field input,.form-field textarea,.form-field select{width:100%;border:1px solid #dfe4e1;background:#fff;border-radius:8px;padding:10px 12px;outline:none;transition:border-color .15s,box-shadow .15s}
.form-field textarea{resize:vertical;min-height:84px;line-height:1.6}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(7,193,96,.12)}
.auth-row{display:flex;gap:10px}
.auth-row .form-field{flex:1}
.auth-actions{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:8px;padding:9px 14px;background:#f1f3f2;color:#333;transition:background .15s,transform .05s}
.btn:active{transform:scale(.99)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{background:#fff;border:1px solid var(--line)}
.btn-danger{background:var(--danger);color:#fff}
.btn-block{width:100%}
.auth-msg{min-height:20px;color:var(--danger);font-size:13px;margin-top:6px}
.auth-link{color:var(--green);cursor:pointer;font-size:13px}
.auth-links{display:flex;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;flex-wrap:wrap}
.auth-links span{cursor:pointer;color:var(--green)}
.app{display:grid;grid-template-columns:68px 330px minmax(0,1fr);height:100dvh;overflow:hidden;background:var(--bg)}
.rail{background:var(--rail);color:#fff;display:flex;flex-direction:column;align-items:center;padding:16px 0 12px;gap:4px;min-height:0}
.rail-logo{width:42px;height:42px;border-radius:12px;overflow:hidden;background:#fff;margin-bottom:16px;flex:0 0 auto}
.rail-logo img{width:100%;height:100%;object-fit:cover}
.rail-tab{width:60px;min-height:58px;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#bcbcbc;position:relative}
.rail-tab svg{width:22px;height:22px}
.rail-tab span{font-size:11px;line-height:1}
.rail-tab:hover{background:var(--rail-2);color:#fff}
.rail-tab.on{color:var(--green)}
.rail-tab .rail-dot{position:absolute;top:8px;right:10px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:2px solid var(--rail)}
.rail-spacer{flex:1}
.rail-avatar{width:40px;height:40px;border-radius:7px;overflow:hidden;margin-top:8px;border:2px solid rgba(255,255,255,.12)}
.rail-avatar img{width:100%;height:100%;object-fit:cover}
.list-pane{background:var(--panel);border-right:1px solid #d9dcda;display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
.pane-head{min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px 8px;flex:0 0 auto}
.pane-title{font-size:20px;font-weight:700;letter-spacing:.2px}
.pane-sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.head-actions{display:flex;align-items:center;gap:4px}
.icon-btn{width:34px;height:34px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:#333;background:transparent}
.icon-btn:hover{background:#e9ebe9}
.icon-btn svg{width:20px;height:20px}
.pane-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-bottom:12px}
.bottom-tabs{display:none}
.list-search{display:flex;align-items:center;gap:8px;margin:4px 14px 10px;padding:8px 12px;border-radius:8px;background:#e8eae8;color:#7c7c7c;font-size:13px;cursor:text}
.list-search svg{width:16px;height:16px;flex:0 0 auto}
.list-section{font-size:12px;color:var(--muted);padding:12px 18px 5px;letter-spacing:.3px}
.conv-item{display:flex;align-items:center;gap:11px;padding:10px 14px;margin:0 8px;border-radius:9px;cursor:pointer;position:relative}
.conv-item:hover{background:#eceeec}
.conv-item.active{background:#e6f7ee}
.avatar{width:44px;height:44px;border-radius:7px;background:#c9cfd6;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;overflow:hidden;flex:0 0 auto;font-size:16px;user-select:none}
.avatar img{width:100%;height:100%;object-fit:cover;display:block}
.avatar.sm{width:32px;height:32px;font-size:13px;border-radius:6px}
.avatar.lg{width:72px;height:72px;font-size:26px;border-radius:10px}
.conv-main{min-width:0;flex:1}
.conv-line{display:flex;align-items:center;gap:8px;min-width:0}
.conv-name{font-size:15px;font-weight:500;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv-time{font-size:11px;color:#a3a3a3;white-space:nowrap}
.conv-preview{font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}
.conv-preview .draft{color:var(--danger)}
.conv-badge{min-width:17px;height:17px;border-radius:9px;padding:0 5px;background:var(--danger);color:#fff;font-size:10.5px;line-height:17px;text-align:center;flex:0 0 auto}
.conv-dot{width:8px;height:8px;border-radius:50%;background:var(--danger);flex:0 0 auto}
.conv-more{position:absolute;right:6px;bottom:2px;width:22px;height:20px;color:#aaa;opacity:0;transition:opacity .1s;background:transparent;font-size:16px;line-height:16px}
.conv-item:hover .conv-more{opacity:1}
.conv-time-wrap{display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.pin-mark{font-size:10px;color:#aaa}
.contact-item{display:flex;align-items:center;gap:11px;padding:10px 16px;cursor:pointer;border-bottom:1px solid #eff0ef}
.contact-item:hover{background:#eceeec}
.contact-main{flex:1;min-width:0}
.contact-name{font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.contact-sub{font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:3px}
.online-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#c6c6c6;margin-left:7px;vertical-align:middle}
.online-dot.on{background:var(--green)}
.menu-item{display:flex;align-items:center;gap:12px;padding:13px 18px;cursor:pointer;border-bottom:1px solid #eff0ef;background:#fff}
.menu-item:first-child{border-radius:9px 9px 0 0}
.menu-item:hover{background:#f1f3f1}
.menu-icon{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:#edf7f1;color:var(--green);flex:0 0 auto}
.menu-icon svg{width:19px;height:19px}
.menu-text{flex:1;font-size:14.5px}
.menu-note{font-size:12px;color:var(--muted)}
.chev{color:#bbbfbc}
.quick-list{margin:8px 12px;border-radius:10px;overflow:hidden;background:#fff;border:1px solid #e8eae8}
.main-pane{min-width:0;min-height:0;display:flex;flex-direction:column;background:#f0f1f0;position:relative}
.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#9b9b9b;gap:12px;padding:30px}
.welcome img{width:76px;height:76px;border-radius:18px;opacity:.25}
.welcome h2{margin:0;font-size:18px;font-weight:500;color:#777}
.welcome p{margin:0;font-size:13px;line-height:1.7;text-align:center;max-width:320px}
.chat{display:flex;flex-direction:column;height:100%;min-height:0;background:#f0f1f0}
.chat-head{height:60px;flex:0 0 auto;display:flex;align-items:center;gap:10px;padding:0 16px;background:#f7f7f7;border-bottom:1px solid #e1e3e1;position:relative;z-index:2}
.back-btn{display:none;width:34px;height:34px;align-items:center;justify-content:center;border-radius:8px;color:#333;flex:0 0 auto}
.back-btn:hover{background:#e9ebe9}
.back-btn svg{width:22px;height:22px}
.chat-title{font-size:16px;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-sub{font-size:11.5px;color:var(--muted);margin-top:3px}
.chat-head-main{min-width:0;flex:1}
.chat-actions{display:flex;align-items:center;gap:2px}
.messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px 22px 14px;display:flex;flex-direction:column;gap:3px;scroll-behavior:auto}
.date-sep{text-align:center;color:#a5aaa7;font-size:11px;margin:12px 0 10px}
.msg-row{display:flex;align-items:flex-start;gap:8px;margin:4px 0;max-width:100%}
.msg-row.own{flex-direction:row-reverse}
.msg-avatar{width:34px;height:34px;border-radius:5px;overflow:hidden;flex:0 0 auto;background:#c9cfd6;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;cursor:pointer}
.msg-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.msg-stack{max-width:min(72%,620px);min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:3px}
.msg-row.own .msg-stack{align-items:flex-end}
.msg-sender{font-size:11px;color:#8b8f8c;padding:0 2px}
.bubble{position:relative;background:#fff;border-radius:6px;padding:9px 12px;line-height:1.6;font-size:14px;word-break:break-word;white-space:normal;box-shadow:0 1px 1px rgba(0,0,0,.03)}
.msg-row.own .bubble{background:#95ec69}
.bubble.text{white-space:pre-wrap}
.bubble img.msg-image{display:block;max-width:260px;max-height:280px;border-radius:4px;cursor:zoom-in;object-fit:cover}
.bubble .msg-file{display:flex;align-items:center;gap:10px;min-width:180px;color:#333}
.file-icon{width:32px;height:32px;border-radius:7px;background:#eef7f1;color:var(--green);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.file-name{font-size:13px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{font-size:11px;color:var(--muted);margin-top:2px}
.msg-voice{display:flex;align-items:center;gap:8px;min-width:100px;color:#333;cursor:pointer}
.msg-voice svg{width:18px;height:18px}
.msg-meta{display:flex;align-items:center;gap:6px;font-size:10.5px;color:#a2a7a3;padding:0 2px;min-height:14px}
.msg-row.own .msg-meta{justify-content:flex-end}
.read-state{color:#9aa09b}
.read-state.unread{color:#c0c4c0}
.msg-more{width:22px;height:22px;border-radius:5px;color:#aaa;display:flex;align-items:center;justify-content:center;opacity:0;font-size:16px;line-height:1}
.msg-row:hover .msg-more{opacity:1}
.recalled{font-size:12px;color:#9a9f9b;background:transparent!important;text-align:center;padding:2px 8px}
.bubble.reply:before{content:attr(data-reply);display:block;border-left:3px solid #b5b9b6;padding-left:8px;margin-bottom:6px;color:#858b86;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px}
.typing{color:var(--muted);font-size:12px;padding:0 4px 4px}
.composer{flex:0 0 auto;background:#f7f7f7;border-top:1px solid #dedfdd;padding:8px 12px calc(8px + var(--safe-bottom));position:relative}
.reply-bar{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #e4e6e4;border-radius:7px;padding:6px 9px;margin-bottom:7px;color:#6e746f;font-size:12.5px}
.reply-bar .reply-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.reply-bar button{color:#999;font-size:18px;line-height:1}
.composer-top{display:flex;gap:2px;align-items:center;margin-bottom:6px}
.composer-tool{width:32px;height:30px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#555;font-size:18px}
.composer-tool:hover{background:#e9ebe9}
.composer-tool svg{width:20px;height:20px}
.composer-bottom{display:flex;align-items:flex-end;gap:8px}
.composer-input{flex:1;min-height:38px;max-height:120px;resize:none;border:0;border-radius:7px;background:#fff;padding:9px 11px;outline:none;line-height:1.45;box-shadow:0 0 0 1px #e2e4e2 inset}
.send-btn{padding:9px 16px;border-radius:7px;background:var(--green);color:#fff;flex:0 0 auto}
.send-btn:disabled{background:#cbd3ce;color:#fff}
.emoji-panel{position:absolute;left:12px;right:12px;bottom:calc(100% + 2px);background:#fff;border:1px solid #e4e6e4;border-radius:10px;box-shadow:var(--shadow);padding:10px;display:grid;grid-template-columns:repeat(8,1fr);gap:4px;z-index:8;max-height:220px;overflow:auto}
.emoji-panel button{font-size:22px;padding:3px;border-radius:5px}
.emoji-panel button:hover{background:#f0f2f0}
.mobile-tabs{display:none}
.profile-page,.settings-page,.stats-page,.moments-page,.search-page{flex:1;min-height:0;overflow-y:auto;background:#f0f1f0}
.page-head{position:sticky;top:0;z-index:2;min-height:56px;display:flex;align-items:center;gap:10px;background:#f7f7f7;border-bottom:1px solid #e2e4e2;padding:0 16px}
.page-title{font-size:16px;font-weight:600;flex:1;min-width:0}
.profile-hero{display:flex;align-items:center;gap:16px;padding:24px 20px;background:#fff;margin:12px;border-radius:12px;border:1px solid #e7e9e7}
.profile-hero .avatar{width:66px;height:66px;font-size:24px;border-radius:10px}
.profile-name{font-size:20px;font-weight:600}
.profile-id{font-size:12px;color:var(--muted);margin-top:5px}
.info-list{background:#fff;margin:12px;border-radius:12px;border:1px solid #e7e9e7;overflow:hidden}
.info-row{display:flex;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid #eff0ef}
.info-row:last-child{border-bottom:0}
.info-label{width:84px;color:var(--muted);font-size:12.5px;flex:0 0 auto}
.info-value{flex:1;min-width:0;word-break:break-all}
.action-row{display:flex;gap:10px;flex-wrap:wrap;padding:12px;background:#fff;margin:12px;border-radius:12px;border:1px solid #e7e9e7}
.settings-group{background:#fff;margin:12px;border-radius:12px;border:1px solid #e7e9e7;overflow:hidden}
.setting-row{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid #eff0ef;cursor:pointer}
.setting-row:last-child{border-bottom:0}
.setting-row:hover{background:#fafbfa}
.setting-main{flex:1;min-width:0}
.setting-title{font-size:14px}
.setting-desc{font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.5}
.setting-value{font-size:12px;color:var(--muted)}
.segment{display:flex;background:#e9ebe9;border-radius:8px;padding:3px;gap:2px;margin:12px}
.segment button{flex:1;padding:8px;border-radius:6px;font-size:13px;color:#666}
.segment button.on{background:#fff;color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.moments-cover{height:190px;background:linear-gradient(135deg,#1b4332,#2d6a4f 55%,#40916c);position:relative;display:flex;align-items:flex-end;justify-content:flex-end;padding:16px}
.moments-cover .cover-user{display:flex;align-items:center;gap:10px;color:#fff;font-weight:600}
.moments-cover .avatar{width:58px;height:58px;border-radius:9px;border:2px solid rgba(255,255,255,.6)}
.moment-compose{background:#fff;margin:-20px 12px 12px;border-radius:12px;border:1px solid #e6e8e6;position:relative;padding:12px;box-shadow:0 6px 20px rgba(0,0,0,.05)}
.moment-compose textarea{width:100%;min-height:58px;border:0;resize:vertical;outline:none;line-height:1.6;background:transparent}
.moment-compose-bar{display:flex;align-items:center;gap:8px;margin-top:6px}
.moment-thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.moment-thumb{width:62px;height:62px;border-radius:6px;overflow:hidden;position:relative;border:1px solid #e5e7e5}
.moment-thumb img{width:100%;height:100%;object-fit:cover}
.moment-thumb button{position:absolute;top:2px;right:2px;background:rgba(0,0,0,.55);color:#fff;width:18px;height:18px;border-radius:50%;font-size:12px;line-height:18px;text-align:center}
.moment-feed{padding:0 12px 24px}
.moment-card{background:#fff;border:1px solid #e7e9e7;border-radius:12px;padding:14px;margin-bottom:10px}
.moment-head{display:flex;gap:10px;align-items:center}
.moment-author{font-weight:600;font-size:14px;color:#38596d}
.moment-time{font-size:11px;color:var(--muted);margin-top:3px}
.moment-content{margin-top:10px;white-space:pre-wrap;line-height:1.65;font-size:14px}
.moment-images{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;margin-top:10px;max-width:560px}
.moment-images img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:4px;cursor:zoom-in;background:#f1f3f1}
.moment-actions{display:flex;align-items:center;gap:14px;margin-top:10px;padding-top:9px;border-top:1px solid #f0f1f0;color:#6e7b75;font-size:12.5px}
.moment-actions button{color:#60716a;display:flex;align-items:center;gap:4px}
.moment-actions button:hover{color:var(--green)}
.moment-likes,.moment-comments{margin-top:9px;background:#f6f8f6;border-radius:6px;padding:8px 10px;font-size:12.5px;line-height:1.7;color:#52635b}
.moment-comments .comment{margin-top:3px}
.moment-comments .comment b{color:#38596d;font-weight:600}
.stats-page .stats-wrap{padding:12px}
.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.stat-card{background:#fff;border:1px solid #e7e9e7;border-radius:12px;padding:16px}
.stat-card .stat-k{font-size:12px;color:var(--muted)}
.stat-card .stat-v{font-size:24px;font-weight:700;color:#194d3b;margin-top:6px}
.rank-panel{background:#fff;border:1px solid #e7e9e7;border-radius:12px;padding:14px;margin-top:10px}
.rank-panel h3{font-size:14px;margin:0 0 8px}
.rank-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid #f1f2f1;font-size:13px}
.rank-row:last-child{border-bottom:0}
.rank-num{width:20px;color:#b18b45;font-weight:700}
.rank-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-val{color:var(--muted);font-size:12px}
.search-page{padding:0}
.search-head{display:flex;align-items:center;gap:8px;padding:12px;background:#f7f7f7;border-bottom:1px solid #e5e7e5;position:sticky;top:0;z-index:2}
.search-input{flex:1;border:0;border-radius:7px;background:#fff;padding:9px 12px;outline:none;box-shadow:0 0 0 1px #e3e5e3 inset}
.search-results{padding:8px 12px 20px}
.search-result{background:#fff;border:1px solid #e8eae8;border-radius:9px;padding:11px 12px;margin-bottom:8px;cursor:pointer}
.search-result:hover{background:#f9fbf9}
.search-result .sr-top{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted)}
.search-result .sr-conv{color:#3d5c4d;font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-result .sr-text{margin-top:6px;font-size:13.5px;line-height:1.55;word-break:break-word}
.search-result mark{background:#d8f6e4;color:inherit;padding:0 1px}
.result-empty{text-align:center;color:var(--muted);padding:34px 10px;font-size:13px}
.select-list{max-height:300px;overflow-y:auto;border:1px solid #eceeec;border-radius:8px}
.select-row{display:flex;align-items:center;gap:10px;padding:9px 10px;border-bottom:1px solid #f1f2f1;cursor:pointer}
.select-row:last-child{border-bottom:0}
.select-row:hover{background:#f8faf8}
.select-row input{width:auto;height:auto;accent-color:var(--green)}
.select-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.member-list{border:1px solid #eceeec;border-radius:8px;overflow:hidden;max-height:260px;overflow-y:auto}
.member-row{display:flex;align-items:center;gap:9px;padding:8px 10px;border-bottom:1px solid #f1f2f1}
.member-row:last-child{border-bottom:0}
.member-main{flex:1;min-width:0}
.member-name{font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.member-meta{font-size:11px;color:var(--muted);margin-top:2px}
.mini-danger{font-size:11.5px;color:var(--danger);padding:4px 7px;border-radius:5px;background:#fff0ef}
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}
.modal{background:#fff;border-radius:12px;width:min(520px,96vw);max-height:88dvh;overflow:auto;box-shadow:0 20px 70px rgba(0,0,0,.25);padding:18px}
.modal.wide{width:min(680px,96vw)}
.modal-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.modal-head h3{font-size:17px;margin:0;flex:1}
.modal-close{width:30px;height:30px;border-radius:6px;color:#888;font-size:20px;line-height:1}
.modal-close:hover{background:#f2f3f2}
.modal-actions{display:flex;gap:9px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.modal-note{font-size:12px;color:var(--muted);line-height:1.6;margin:2px 0 12px}
.modal .form-field{margin-bottom:11px}
.modal .btn{padding:8px 14px}
.modal-section-title{font-size:12px;color:var(--muted);margin:16px 0 7px;letter-spacing:.2px}
.toast-root{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:max-content;max-width:90vw}
.toast{background:rgba(30,30,30,.9);color:#fff;padding:9px 14px;border-radius:8px;font-size:13px;line-height:1.5;box-shadow:0 8px 24px rgba(0,0,0,.22);animation:toastIn .16s ease-out;max-width:100%}
.toast.err{background:rgba(180,45,42,.95)}
.toast.ok{background:rgba(6,173,86,.95)}
@keyframes toastIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.small-avatar-row{display:flex;align-items:center;gap:10px}
.avatar-upload{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar-upload input{font-size:12px}
.empty{text-align:center;color:var(--muted);padding:36px 18px;font-size:13px;line-height:1.7}
.empty.big{padding:80px 18px}
.empty svg{width:38px;height:38px;color:#c8cdc9;margin-bottom:8px}
.hint{font-size:11.5px;color:var(--muted);line-height:1.6}
.switch{position:relative;display:inline-block;width:38px;height:22px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;border-radius:11px;background:#cfd4d0;transition:.2s;cursor:pointer}
.switch span:before{content:"";position:absolute;left:2px;top:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked+span{background:var(--green)}
.switch input:checked+span:before{transform:translateX(16px)}
@media (min-width: 781px){
  .mobile-tabs{display:none}
  .back-btn{display:none}
}
@media (max-width: 780px){
  .app{display:block;height:100dvh}
  .rail{display:none}
  .list-pane{position:fixed;inset:0;border-right:0;padding-bottom:calc(56px + var(--safe-bottom));z-index:2}
  .main-pane{display:none;position:fixed;inset:0;z-index:10}
  .app.detail-open .list-pane{display:none}
  .app.detail-open .main-pane{display:flex}
  .bottom-tabs{display:flex;height:calc(56px + var(--safe-bottom));padding-bottom:var(--safe-bottom);position:fixed;left:0;right:0;bottom:0;background:#f7f7f7;border-top:1px solid #e2e4e2;z-index:30}
  .bottom-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#777;font-size:10.5px;position:relative}
  .bottom-tab svg{width:22px;height:22px}
  .bottom-tab.on{color:var(--green)}
  .bottom-tab .rail-dot{position:absolute;top:5px;right:calc(50% - 15px);width:7px;height:7px;border-radius:50%;background:var(--danger)}
  .back-btn{display:inline-flex}
  .pane-head{padding-top:calc(14px + env(safe-area-inset-top,0px))}
  .chat-head{padding-top:env(safe-area-inset-top,0px);height:calc(60px + env(safe-area-inset-top,0px))}
  .messages{padding:12px 12px 10px}
  .msg-stack{max-width:calc(100% - 54px)}
  .bubble img.msg-image{max-width:min(66vw,260px)}
  .composer{padding:7px 9px calc(7px + var(--safe-bottom))}
  .emoji-panel{left:9px;right:9px;grid-template-columns:repeat(7,1fr)}
  .page-head{padding-top:env(safe-area-inset-top,0px);height:calc(56px + env(safe-area-inset-top,0px))}
  .profile-page,.settings-page,.stats-page,.moments-page,.search-page{padding-bottom:var(--safe-bottom)}
  .profile-hero{margin:10px;padding:18px 16px}
  .settings-group,.info-list,.action-row{margin:10px}
  .toast-root{bottom:calc(70px + var(--safe-bottom))}
  .moment-images{max-width:none}
  .moments-cover{height:170px}
  .moment-compose{margin:-18px 10px 10px}
  .moment-feed{padding:0 10px 24px}
  .conv-item{padding:9px 11px;margin:0 4px}
  .conv-more{opacity:1;color:#c3c7c4}
  .auth-card{padding:24px 20px 20px}
}
@media (max-width: 380px){
  .conv-name{font-size:14px}
  .chat-head{padding-left:10px;padding-right:10px}
  .messages{padding-left:9px;padding-right:9px}
}

/* ---------- WeUI 2.6.x calibration (MIT) ----------
   Tokens and cell patterns follow the official WeUI demo; chat-specific
   surfaces remain custom because WeUI has no chat list/message layout. */
.list-pane{background:#fff}
.pane-head{background:#fff;min-height:56px;padding:12px 16px 6px}
.pane-title{font-size:17px;font-weight:600}
.pane-sub{font-size:11.5px;margin-top:2px}
.list-pane[data-tab="contacts"],.list-pane[data-tab="discover"],.list-pane[data-tab="me"]{background:#ededed}
.list-pane[data-tab="contacts"] .pane-head,.list-pane[data-tab="discover"] .pane-head,.list-pane[data-tab="me"] .pane-head{background:#ededed}
.list-pane[data-tab="contacts"] .pane-body,.list-pane[data-tab="discover"] .pane-body,.list-pane[data-tab="me"] .pane-body{background:#ededed}
.list-search{background:#f2f2f2;border-radius:4px;margin:6px 12px 10px;padding:8px 10px}
.conv-item{margin:0;padding:10px 16px;border-radius:0;border-bottom:1px solid #ededed;background:#fff}
.conv-item:hover{background:#f5f5f5}
.conv-item.active{background:#f0f0f0}
.conv-name{font-size:15.5px}
.contact-item{background:#fff;padding:10px 16px;border-bottom:1px solid #ededed}
.contact-item:hover{background:#f5f5f5}
.contact-name{font-size:15.5px}
.quick-list{background:#fff;border:0;border-radius:0;overflow:hidden;margin:8px 12px}
.list-pane[data-tab="contacts"] .quick-list,.list-pane[data-tab="discover"] .quick-list,.list-pane[data-tab="me"] .quick-list{margin-top:8px}
.menu-item{background:#fff;border-bottom:1px solid #ededed;padding:13px 16px;border-radius:0}
.menu-item:first-child{border-radius:0}
.menu-item:hover{background:#f5f5f5}
.menu-icon{width:26px;height:26px;background:transparent!important;color:#5f6368!important;border-radius:0}
.menu-icon svg{width:22px;height:22px}
.menu-text{font-size:15.5px}
.menu-note{font-size:12px}
.chev{color:#c7c7c7}
.profile-hero{background:#fff;border:0;border-radius:0;margin:12px;padding:18px 16px}
.settings-group,.info-list,.action-row{background:#fff;border:0;border-radius:0}
.setting-row{padding:13px 16px}
.setting-title{font-size:15.5px}
.setting-desc{font-size:12px}
.page-head{background:#ededed;border-bottom:1px solid #dedede;min-height:52px}
.page-title{font-size:17px}
.moments-cover{height:180px}
.moment-compose{border-radius:8px}
.moment-card{border-radius:8px}
.modal{border-radius:8px;padding:18px 16px}
.modal-head h3{font-size:17px}
.btn{border-radius:4px;padding:9px 14px}
.send-btn{border-radius:4px}
.composer-input{border-radius:4px;box-shadow:0 0 0 1px #e3e3e3 inset}
.composer{background:#f7f7f7}
.chat-head{background:#ededed;border-bottom:1px solid #dcdcdc;height:56px}
.chat-title{font-size:16.5px}
.messages{background:#ededed}
.bubble{border-radius:4px}
.emoji-panel{border-radius:8px}
.toast-root{top:50%;bottom:auto;transform:translate(-50%,-50%)}
.toast{background:rgba(17,17,17,.72);border-radius:8px;padding:10px 16px}
.msg-quote{border-left:3px solid #d9d9d9;background:#f7f7f7;border-radius:3px;padding:6px 8px;margin-bottom:6px;font-size:12px;color:#666;max-width:100%}
.msg-quote .quote-name{display:block;font-weight:600;color:#576b95;margin-bottom:2px}
.msg-quote .quote-text{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg-row.own .msg-quote{background:rgba(255,255,255,.55);border-left-color:#7fc45c}
.msg-row.own .msg-quote .quote-name{color:#3d6b2a}
.msg-recalled{text-align:center;font-size:12px;color:#999;margin:10px 0;padding:0 16px}
.msg-row.pending .bubble{opacity:.6}
.msg-row.failed .bubble{box-shadow:inset 0 0 0 1px #e64340}
.retry-link{border:0;background:none;color:#e64340;font-size:12px;padding:0 4px;cursor:pointer}
.menu-item.danger .menu-text{color:#e64340}
@media (hover:none){
  .msg-more{opacity:.55}
  .conv-more{opacity:.55}
}
@media (max-width:780px){
  .msg-more{opacity:.55}
  .conv-more{opacity:.55}
  .pane-head{min-height:56px;padding-top:calc(12px + env(safe-area-inset-top,0px))}
  .chat-head{height:calc(56px + env(safe-area-inset-top,0px))}
  .page-head{height:calc(52px + env(safe-area-inset-top,0px))}
  .toast-root{top:50%}
}