:root{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;--green:#07b75a;--muted:#919191;--line:#dedede;--soft:#ededed;color:#181818;background:#e9e9e9}button,input,textarea,select{font-family:inherit}button{transition:background .12s}svg{stroke-width:1.65}button:hover{background:#e2e2e2}.shell{width:100%;max-width:none;height:100dvh;grid-template-columns:64px 288px minmax(0,1fr);border:0;border-radius:0;margin:0;box-shadow:none}.rail{padding:32px 7px 18px;gap:12px;background:#dedede;border-color:#d5d5d5}.desktop-profile{padding:0;margin-bottom:20px}.desktop-profile .avatar{width:38px;height:38px}.navbtn{width:48px;height:52px;border-radius:5px;gap:6px;font-size:9px;color:#6c6c6c}.navbtn svg{width:24px;height:24px}.navbtn span{display:none}.navbtn.active{background:transparent;color:var(--green)}.navbtn:hover{background:#d4d4d4}.nav-unread{font-style:normal;background:#fa5151;color:#fff;position:absolute;right:1px;top:2px;font-size:9px;border-radius:12px;min-width:15px;height:15px;line-height:15px;text-align:center;padding:0 3px}.rail-bottom{gap:10px}.avatar{border-radius:5px;background:var(--av);font-size:15px;font-weight:500}.avatar:after{display:none}.avatar.small{width:37px;height:37px;border-radius:5px;font-size:13px}.avatar.large{border-radius:7px}.group-avatar{background:#d7e2db;color:#58725f}.sidebar{background:#f7f7f7;border-color:#d9d9d9}.side-head{padding:24px 14px 13px}.side-head .headline{margin-bottom:18px;padding:0 3px}.headline h1{font-size:20px;font-weight:500;letter-spacing:0}.headline .iconbtn{background:#e8e8e8;width:28px;height:28px;border-radius:4px;color:#555}.headline svg{width:18px;height:18px}.search{border-radius:5px;background:#e8e8e8;color:#999}.search input{padding:8px 0;font-size:12px}.conversation-list{padding:0}.conversation{padding:15px 14px;gap:11px;border-radius:0;margin:0}.conversation:hover{background:#eaeaea}.conversation.active{background:#d9d9d9}.conversation-title{margin-bottom:8px}.conversation-title strong{font-size:14px;font-weight:500}.conversation-title small{font-size:10px;color:#a5a5a5}.preview{font-size:12px;color:#999}.badge{background:#fa5151;font-size:10px;min-width:17px;height:17px}.sidebar-foot{background:#f0f0f0;padding:12px 15px;font-size:10px;color:#aaa}.chat{background:#f5f5f5;min-width:0}.chat-header{height:72px;background:#f5f5f5;border-color:#dedede;padding:0 26px}.chat-heading h2{margin:0;font-size:18px;font-weight:500}.member-count{color:#777;font-size:15px}.chat-actions{gap:9px}.chat-actions .iconbtn{color:#555}.messages{padding:24px 28px;scroll-behavior:auto}.date-label{margin-bottom:24px;color:#999;font-size:11px}.msg{max-width:76%;margin-bottom:20px;gap:11px}.msg-meta{font-size:11px;color:#999;margin:0 0 6px;gap:12px}.mine .msg-meta span:first-child{display:none}.bubble{position:relative;font-size:15px;line-height:1.55;border:0;border-radius:4px;padding:11px 13px;background:#fff}.bubble:before{content:'';position:absolute;top:13px;left:-5px;width:10px;height:10px;background:inherit;transform:rotate(45deg);border-radius:1px}.mine .bubble{border:0;border-radius:4px;background:#95ec69}.mine .bubble:before{left:auto;right:-5px}.read-status{font-size:9px;color:#aaa;margin-top:5px}.composer{background:#f5f5f5;padding:10px 23px 16px;border-color:#dedede;height:180px;flex-shrink:0}.composer-tools{gap:8px;height:34px}.composer-tools .hint{color:#999;font-size:10px}.iconbtn{border-radius:4px;color:#555}.composer textarea{height:76px;font-size:14px;padding:10px 3px}.composer-bottom small{font-size:10px;color:#aaa}.primary{border-radius:4px;background:#07b75a;padding:9px 21px;font-size:13px}.primary:hover{background:#079c4e}.composer .primary{background:#e9e9e9;color:#07a64f;min-width:80px}.right-panel{display:none}.modal .right-panel{display:block;border:0;padding:0}.view{grid-column:3/4;background:#ededed}.view-header{height:72px;background:#f5f5f5;border-color:#dedede;padding:0 26px}.view-header h2{font-size:19px;font-weight:500}.view-header p{display:none}.view-title{display:flex;align-items:center;gap:6px}.always{display:flex}.feed{padding:0 0 40px;max-width:760px;background:#fff}.feed-cover{border-radius:0;background:#5e7669;height:210px;margin-bottom:30px;padding:0 30px;display:flex;align-items:flex-end;justify-content:flex-end;gap:18px;overflow:visible}.feed-cover:before,.feed-cover:after{display:none}.feed-cover h2{font-size:18px;letter-spacing:0;color:white;margin-bottom:20px;font-weight:500}.feed-cover .avatar{margin-bottom:-20px;border:3px solid #fff}.post{border:0;border-bottom:1px solid #ededed;border-radius:0;margin:0;padding:23px 25px 20px}.post-head strong{font-size:15px;color:#596a8a}.post-text{font-size:15px;line-height:1.7;margin:10px 0 14px 54px}.post-image,.landscape{margin-left:54px;width:calc(100% - 54px);max-width:360px;border-radius:2px;height:auto;max-height:300px}.landscape{height:210px}.post-actions{margin-top:14px}.interactions{margin-left:54px;border-radius:2px;background:#f5f5f5;color:#596a8a;font-size:12px}.settings-wrap{margin:0 auto;padding:20px 24px;max-width:760px}.settings-card{border:0;border-radius:0;background:#fff;padding:24px;margin-bottom:12px}.settings-card .field{font-size:13px}.settings-card input{border-radius:3px}.settings-card h3{font-size:15px}.profile-top{gap:20px}.profile-top .avatar{width:62px;height:62px;font-size:22px}.profile-top h2{font-size:21px;font-weight:600}.setting-row{padding:17px 0;min-height:60px;border-color:#eee}.setting-row p{font-size:14px}.setting-row small{font-size:11px}.contact-card{padding:15px 18px;border-color:#ededed;gap:14px}.contact-card h3{font-size:15px;font-weight:500}.contact-card p{font-size:11px;color:#999}.contact-card .primary{background:#f2f2f2;color:#07a857}.contacts-list{padding:0;max-width:none;background:white}.contact-entry{display:flex;align-items:center;gap:16px;width:100%;padding:18px 20px;text-align:left;border-bottom:1px solid #eee;font-size:15px}.contact-entry svg{background:#fa9d3b;stroke:#fff;padding:6px;width:38px;height:38px;border-radius:4px}.contact-entry span{margin-left:auto;color:#b2b2b2}.contacts-section{font-size:12px;color:#888;background:#ededed;padding:8px 18px}.discover-menu{padding-top:12px}.discover-menu button{display:flex;align-items:center;gap:16px;background:#fff;width:100%;padding:20px 24px;border-bottom:1px solid #eee;font-size:16px}.discover-menu button:first-child{margin-bottom:9px}.discover-menu b{margin-left:auto;color:#b2b2b2;font-weight:400}.entry-icon{display:grid;place-items:center;width:26px;height:26px;font-size:27px}.moment-icon{color:#23a86e}.meeting-icon{color:#4186d0}.push-icon{color:#de9a37}.connection-caption{font-size:11px;text-align:center;color:#a8a8a8;padding:22px}.modal{border-radius:10px;box-shadow:0 12px 50px #0002;padding:25px;max-width:480px}.modal-overlay{backdrop-filter:none;background:#0006}.modal-head h2{font-size:19px;font-weight:500}.modal input,.modal textarea,.modal select{border-radius:4px;font-size:14px}.modal-description{font-size:12px;color:#888}.modal .select-person{font-size:14px}.modal select{width:100%;padding:11px;border:1px solid #ddd;background:#fff}.secondary{background:#f1f1f1!important;color:#444!important}.meeting-row{display:flex;gap:15px;align-items:center;padding:20px 0;border-bottom:1px solid #eee}.meeting-row>div{flex:1}.meeting-row strong{font-size:14px;font-weight:500}.meeting-row small{display:block;margin-top:9px;font-size:11px}.meeting-row .primary{width:auto;margin:0}.meeting-preflight{text-align:center}.preflight-icon{display:grid;place-items:center;width:76px;height:76px;border-radius:20px;background:#e8f5ed;color:#07b75a;margin:10px auto 20px}.preflight-icon svg{width:32px;height:32px}.meeting-preflight h3{font-size:18px;margin-bottom:15px}.meeting-preflight>p{margin-bottom:15px}.meeting-preflight small{display:block;line-height:1.8;margin:20px 0 0;color:#888}.push-settings .setting-row{font-size:13px}.push-settings strong{font-size:12px;font-weight:500}.auth-art{background:#f0f3f0;padding:8vw}.auth-art:after{display:none}.auth-art h1{font-size:44px;letter-spacing:0;font-weight:500;margin-top:50px}.auth-brand{letter-spacing:1px}.auth-art p{color:#888}.auth-art .brand{background:#07b75a;border-radius:10px;box-shadow:none}.auth-art .auth-features{color:#666}.auth-screen{background:white}.auth-form-wrap .eyebrow{display:none}.auth-form h2{font-size:25px;font-weight:500;margin-bottom:16px}.auth-form .field{font-size:14px}.auth-form input{border-radius:3px;padding:14px}.auth-form .primary{padding:14px}.demo-box{border-radius:4px;background:#f7f7f7;border:0}.demo-box p{color:#999}.auth-toggle button{color:#576b95}.welcome h2{font-weight:400;color:#aaa}.welcome p{color:#aaa;margin-bottom:24px}.welcome .group-avatar{background:transparent;color:#c8c8c8}.welcome .group-avatar svg{width:60px;height:60px}#meeting-root{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;background:#171b22;color:#fff;padding:22px 28px;gap:20px}#meeting-root header{display:flex;justify-content:space-between;align-items:center}#meeting-root h2{font-size:18px;font-weight:500}#meeting-root p{font-size:12px;color:#a2abb9;margin-top:8px}.leave-button{background:#e25252!important;color:white!important;border-radius:5px;padding:10px 18px;font-size:13px}.video-grid{flex:1;min-height:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-auto-rows:minmax(180px,1fr);gap:14px;overflow:auto}.video-tile{background:#252c36;border:1px solid #36404e;min-height:160px;position:relative;border-radius:10px;overflow:hidden;display:grid;place-items:center}.video-tile video{width:100%;height:100%;object-fit:contain;min-height:0}.video-tile span{position:absolute;left:14px;bottom:12px;background:#111a;padding:5px 8px;border-radius:4px;font-size:12px}.video-placeholder{display:none}.video-tile.no-video video{position:absolute;width:1px;height:1px;opacity:0}.no-video .video-placeholder{display:grid;place-items:center;background:#43735a;width:65px;height:65px;border-radius:15px;color:#fff;font-size:22px}.meeting-controls{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;padding-top:5px}.meeting-controls button{padding:12px 18px;background:#343d4a;border-radius:6px;font-size:13px;color:#fff}#toast{border-radius:6px;background:#000c;color:#fff;font-size:13px;padding:14px 20px}.empty{font-size:13px;color:#aaa}.app-status{font-size:12px;color:#777}
@media(max-width:1000px) and (min-width:651px){.shell{grid-template-columns:60px 250px minmax(0,1fr)}.msg{max-width:92%}.side-head{padding-top:22px}.conversation-title strong{font-size:13px}.messages{padding:22px 20px}.view-header{padding:0 20px}}
@media(max-width:650px){.shell{display:flex;flex-direction:column;padding-bottom:calc(57px + env(safe-area-inset-bottom));height:100dvh}.rail{height:calc(57px + env(safe-area-inset-bottom));padding:5px 8px calc(5px + env(safe-area-inset-bottom));background:#f7f7f7;border-top:1px solid #d8d8d8;gap:0;justify-content:space-around}.desktop-profile,.rail-bottom{display:none}.navbtn{display:flex;width:70px;height:46px;gap:4px}.navbtn svg{width:24px;height:24px}.navbtn span{display:block;font-size:10px}.navbtn.active{background:none}.nav-unread{right:12px;top:0}.side-head{background:#ededed;padding:13px 12px 10px}.headline{margin-bottom:12px!important;min-height:32px}.headline h1{font-size:18px;font-weight:600}.headline .iconbtn{background:transparent;width:30px;height:30px}.headline .iconbtn svg{width:23px;height:23px}.search{background:#fff;border-radius:6px;padding:0 12px}.search input{font-size:14px;padding:8px 0}.sidebar{background:#fff}.conversation-list{padding:0}.conversation{margin:0;padding:12px 16px;border-radius:0;background:#fff;position:relative;gap:12px}.conversation:after{content:'';position:absolute;left:76px;bottom:0;right:0;border-bottom:1px solid #eee}.conversation.active{background:#fff}.conversation .avatar{width:48px;height:48px;border-radius:5px;font-size:17px}.conversation-title{margin-bottom:6px}.conversation-title strong{font-size:16px;font-weight:500}.preview{font-size:13px}.conversation-title small{font-size:10px}.sidebar-foot{display:none}.shell.in-chat{padding-bottom:0}.in-chat .rail{display:none}.chat-header{height:56px;padding:0 11px;border-bottom:1px solid #d8d8d8;background:#ededed;gap:5px}.chat-heading h2{font-size:17px;font-weight:500}.member-count{font-size:16px}.chat-actions{gap:0}.chat-actions .iconbtn{width:32px}.chat-actions .desktop-only{display:none}.back{display:flex;width:29px}.chat{background:#ededed}.messages{padding:20px 12px}.date-label{font-size:11px;color:#a5a5a5}.msg{max-width:90%;gap:10px;margin-bottom:19px}.msg .avatar{width:39px;height:39px;border-radius:5px;font-size:13px}.msg-meta{font-size:10px;margin:0 0 5px}.msg-meta span:last-child{display:none}.mine .msg-meta{display:none}.bubble{font-size:16px;line-height:1.5;padding:10px 12px}.read-status{font-size:9px;margin-top:4px}.composer{height:auto;min-height:61px;padding:9px 10px calc(9px + env(safe-area-inset-bottom));display:flex;align-items:flex-end;gap:8px;background:#f7f7f7;position:relative;border-top:1px solid #ddd}.composer-tools{display:contents}.composer-tools .iconbtn{width:27px;height:39px;padding:0;flex-shrink:0;order:3}.composer-tools .iconbtn svg{width:25px;height:25px}.composer-tools [data-action=record]{order:0}.composer-tools [data-action=image]{order:4}.composer-tools .hint{display:none}.composer textarea{order:1;flex:1;width:0;min-width:0;resize:none;height:39px;min-height:39px;max-height:110px;padding:9px 10px;background:#fff;border:0;border-radius:4px;font-size:16px;line-height:21px}.composer-bottom{display:contents}.composer-bottom small{display:none}.composer-bottom .primary{order:5;background:#07b75a;color:white;border-radius:4px;padding:10px;min-width:46px;height:39px;font-size:13px}.composer-tools [data-action=image]{display:none}.view{background:#ededed;height:100%}.view-header{height:56px;padding:0 17px;flex-shrink:0;background:#ededed}.view-header h2{font-size:18px;font-weight:600}.view-header .primary{padding:8px 12px;font-size:12px}.settings-wrap{padding:12px 0;margin:0}.settings-card{padding:22px 20px;margin-bottom:10px}.settings-card .profile-top{margin-top:6px;margin-bottom:28px}.settings-wrap>.primary{margin-left:20px}.contacts-list{padding:0;background:#fff}.contacts-section{padding:5px 18px;font-size:12px}.contact-card{padding:11px 17px}.contact-card .avatar{width:39px;height:39px}.contact-card h3{font-size:16px}.contact-card p{display:none}.contact-card .primary{font-size:12px;padding:7px 12px}.contact-entry{padding:11px 17px;font-size:16px;gap:13px;min-height:62px}.contact-entry svg{width:39px;height:39px}.discover-menu button{padding:16px 21px;font-size:16px;gap:17px;min-height:57px}.discover-menu button:first-child{margin-bottom:9px}.discover-menu{padding-top:11px}.connection-caption{display:none}.feed{padding:0 0 25px}.feed-cover{height:195px;padding:0 20px;margin-bottom:28px}.feed-cover h2{font-size:17px}.feed-cover .avatar{width:68px;height:68px;font-size:25px;margin-bottom:-18px}.post{padding:19px 15px}.post-head .avatar{width:39px;height:39px}.post-head{gap:12px}.post-head strong{font-size:15px}.post-head small{font-size:10px}.post-text{margin-left:51px;font-size:15px}.post-image,.landscape{margin-left:51px;width:calc(100% - 51px)}.interactions{margin-left:51px}.post-actions{font-size:12px}.auth-art{display:none}.auth-form-wrap{min-height:100dvh;padding:35px 30px}.auth-form{max-width:360px}.auth-form:before{content:'轻聊';display:block;text-align:center;font-size:32px;font-weight:600;color:#07b75a;margin-bottom:65px}.auth-form h2{font-size:22px}.auth-form>p{font-size:13px;line-height:1.7}.demo-box{margin-top:36px}.modal{padding:22px 20px;max-height:88dvh;border-radius:10px}.modal-overlay{padding:18px}.modal-head{margin-bottom:20px}.modal .select-person{padding:12px 0}.modal .primary{padding:12px}.settings-card .contact-entry{padding-left:0}.bubble img{max-width:min(240px,57vw)}#meeting-root{padding:15px 12px calc(15px + env(safe-area-inset-bottom));gap:14px}#meeting-root h2{font-size:16px}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:minmax(150px,1fr);gap:8px}.video-tile{min-height:150px;border-radius:6px}.video-tile span{font-size:10px;left:6px;bottom:7px;padding:4px}.video-placeholder{font-size:18px!important;width:48px!important;height:48px!important;border-radius:12px!important}.meeting-controls{gap:7px}.meeting-controls button{padding:12px 10px;font-size:12px}.leave-button{padding:9px 12px}.push-settings strong{font-size:11px}}
@media(max-width:650px){.composer-tools [data-action=image]{display:flex}}

.mac-desktop .headline h1{font-size:18px;letter-spacing:-.4px}.mac-desktop .auth-art h1{font-size:40px}@media(max-width:650px){.navbtn span{max-width:76px;white-space:nowrap;font-size:10px}.headline h1{font-size:18px}}

.avatar img{display:block;width:100%;height:100%;object-fit:cover}.avatar img+span{display:none}

.avatar.group-mosaic{display:grid;grid-template-columns:repeat(var(--tiles),minmax(0,1fr));grid-auto-rows:1fr;gap:1px;padding:2px;background:#dedede;align-content:center}.group-tile{display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;width:100%;height:100%;overflow:hidden;color:white;font-size:8px;border-radius:1px}.group-tile img{width:100%;height:100%;object-fit:cover}.group-mosaic:after{display:none}
/* Black / white / gray / red visual system. */
:root{--green:#cc2e38;--muted:#919195;--line:#e7e7e9;--soft:#f6f6f7;color:#252528;background:#f4f4f5}.primary{background:#cc2e38}.primary:hover{background:#b6222d}.avatar{border-radius:10px}.avatar.small{border-radius:8px}.avatar.large{border-radius:17px}.group-mosaic[data-count="3"] .group-tile:first-child{grid-column:1 / span 2;justify-self:center;width:calc((100% - 1px)/2)}.badge,.nav-unread{background:#cc2e38}.mine .bubble{background:#ededf0}.bubble{border:1px solid #e7e7e9;border-radius:12px;background:#fff;line-height:1.8}.mine .bubble{border-color:transparent;border-radius:12px}.bubble:before{display:none}.primary,.action{background:#cc2e38}.sidebar-brand{font-size:9px;font-weight:600;letter-spacing:2px;color:#9a9a9e;margin-bottom:8px}.sidebar-resizer{display:none}.group-profile p{line-height:1.8}.right-panel .avatar.large{margin-bottom:16px}.right-panel .connection{background:#f8f8f9;border-color:#e8e8eb}.right-panel .connection p{color:#67676e}.right-panel .connection .dot{background:#cc2e38}.right-panel .connection small{color:#929296}.right-panel .notice p{color:#929296}.right-panel .group-profile p{color:#99999d}.right-panel .group-avatar{color:#666}.right-panel .member-item p{color:#8a8a90}.right-panel .member-head{color:#404047}.right-panel .member-head small{color:#99999d}.dot{background:#99999d}.auth-brand .brand{background:#252528}.auth-art{background:#f4f4f5}.auth-art .auth-features,.auth-art p{color:#929298}.switch:checked{background:#cc2e38}.profile-top{color:#252528}
@media(min-width:651px){
 .shell{grid-template-columns:80px var(--sidebar-width,280px) 6px minmax(320px,1fr) 244px}.rail{grid-column:1;background:#f5f5f6;padding:24px 9px 18px;gap:19px}.desktop-profile{margin-bottom:14px}.desktop-profile .avatar{width:39px;height:39px;border-radius:10px}.navbtn{height:58px;width:61px;gap:7px;border-radius:11px;color:#939398}.navbtn span{display:block;font-size:9px}.navbtn.active{background:#f7e9eb;color:#cc2e38}.navbtn:hover{background:#ededf0}.rail-bottom .navbtn{height:35px}.sidebar{grid-column:2;background:#fff;border-right:0;min-width:0}.side-head{padding:24px 20px 16px}.headline h1{font-size:24px;font-weight:600}.headline .iconbtn{background:transparent}.headline{margin-bottom:20px}.search{background:#f4f4f5;border-radius:8px}.search input{padding:10px 0;font-size:12px}.conversation-list{padding:5px 8px}.conversation{border-radius:9px;margin:3px 0;padding:15px 12px;gap:11px}.conversation.active{background:#f7ecee;box-shadow:inset 3px 0 #cc2e38}.conversation:hover{background:#f6f6f8}.conversation.active:hover{background:#f7ecee}.conversation-title strong{font-size:13px;font-weight:600}.conversation .avatar{width:43px;height:43px}.sidebar-foot{background:#fff;border-top:1px solid #e7e7e9;padding:14px 20px}.sidebar-resizer{display:block;grid-column:3;position:relative;cursor:col-resize;touch-action:none;background:#fff;outline:0}.sidebar-resizer:after{content:'';position:absolute;left:2px;top:0;bottom:0;width:1px;background:#e4e4e7;transition:background .15s,width .15s}.sidebar-resizer:hover:after,.sidebar-resizer:focus-visible:after,.workspace-resizing .sidebar-resizer:after{background:#cc2e38;width:2px}.workspace-resizing{cursor:col-resize;user-select:none}.chat{grid-column:4;background:#fafafb}.chat-header{height:77px;background:#fff;padding:0 25px;border-color:#e7e7e9}.chat-header>.avatar{display:flex;width:36px;height:36px}.chat-heading h2{font-size:16px;font-weight:600;margin-bottom:5px}.chat-heading p{display:block;font-size:10px;color:#9a9a9e}.member-count{font-size:13px;color:#8c8c92}.chat-actions{gap:6px}.chat-actions .iconbtn{color:#99999e}.messages{padding:23px 25px}.msg{max-width:86%;gap:10px;margin-bottom:22px}.msg-meta{font-size:9px;color:#99999d;margin-bottom:7px}.mine .msg-meta span:first-child{display:inline}.bubble{font-size:13px;padding:11px 14px}.read-status{font-size:8px;color:#aaa}.composer{background:#fff;height:179px;padding:13px 25px 17px;border-color:#e7e7e9}.composer-tools{height:26px;gap:15px}.composer-tools .hint{display:block;color:#aaa;font-size:9px}.composer textarea{height:66px;font-size:13px}.composer-bottom small{font-size:9px;color:#aaa}.composer .primary{background:#cc2e38;color:white;border-radius:7px;height:32px;min-width:79px}.right-panel{display:block;grid-column:5;background:#fff;border-left:1px solid #e7e7e9;padding:25px 23px}.group-profile{padding:28px 0 26px}.group-profile h3{font-size:16px;font-weight:600}.panel-label{font-size:10px;letter-spacing:1px;color:#99999e}.member-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px 8px}.member-item .avatar{width:37px;height:37px;border-radius:9px}.notice{margin-top:25px;padding-top:23px}.view{grid-column:4/6}.shell.other-view{grid-template-columns:80px var(--sidebar-width,280px) 6px minmax(320px,1fr) 244px}
}
@media(min-width:651px) and (max-width:1099px){.shell,.shell.other-view{grid-template-columns:72px var(--sidebar-width,250px) 6px minmax(280px,1fr)}.right-panel{display:none}.view{grid-column:4/5}.rail{padding-left:5px;padding-right:5px}.composer-tools .hint{display:none}}
@media(max-width:650px){.sidebar-brand{display:none}.sidebar-resizer,.shell>.right-panel{display:none}.rail .navbtn.active{color:#cc2e38;background:transparent}.composer-bottom .primary{background:#cc2e38}.mine .bubble{background:#ededf0}.conversation.active{background:white;box-shadow:none}.chat-header>.avatar{display:none}.chat-heading p{display:none}.bubble{border-radius:6px}.mine .bubble{border-radius:6px}.auth-form:before{color:#cc2e38}.sidebar .headline h1{font-size:18px}.group-profile{padding:20px 0}.right-panel{display:none}}
.moment-icon,.meeting-icon,.push-icon{color:#cc2e38}.contact-card .primary{color:#cc2e38}.composer .primary:disabled{background:#f2f2f4;color:#aaa}.recording{color:#cc2e38!important;background:#f8e9eb!important}.modal .primary.secondary{color:#666!important}.sidebar-resizer:focus-visible{outline:0}

/* Collapsible conversation inspector; the action stays at the title bar edge. */
@media(min-width:1100px){.shell.inspector-closed{grid-template-columns:80px var(--sidebar-width,280px) 6px minmax(320px,1fr)}.shell.inspector-closed>.right-panel{display:none}.shell.inspector-closed .view{grid-column:4/5}}
@media(min-width:651px) and (max-width:1099px){.shell.inspector-open>.right-panel{display:block;position:absolute;right:0;top:77px;bottom:0;width:244px;z-index:8;box-shadow:-8px 0 24px #20202408}.shell{position:relative}}
@media(max-width:650px){.inspector-toggle{display:none}}
.inspector-toggle[aria-expanded=true]{background:#f3f3f5;color:#252528}.chat-heading{min-width:0}.chat-heading h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.chat-sticker{width:160px;max-height:180px;object-fit:contain}.chat-file{display:flex;flex-direction:column;gap:8px;color:inherit;text-decoration:none;max-width:240px}.chat-file small{color:#8e9197;font-size:11px}
/* Group mentions share the native app's restrained red and neutral palette. */
.composer{position:relative}
.mention-picker{position:absolute;left:22px;bottom:calc(100% - 8px);width:min(300px,calc(100% - 44px));background:#fff;border:1px solid #e5e5e8;border-radius:11px;box-shadow:0 8px 28px #15161a18;z-index:30;overflow:hidden;color:#232429}
.mention-picker-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;font-size:12px;border-bottom:1px solid #eeeef0}
.mention-picker-head small{font-size:10px;color:#919298}
.mention-picker [role=listbox]{max-height:224px;overflow:auto;padding:5px}
.mention-picker button{display:flex;align-items:center;gap:10px;width:100%;padding:8px;text-align:left;border:0;background:transparent;border-radius:7px;color:inherit;cursor:pointer}
.mention-picker button.selected,.mention-picker button:hover{background:#f9edef}
.mention-picker button>span:last-child{display:grid;gap:4px;min-width:0}
.mention-picker strong{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mention-picker button small{font-size:11px;color:#919298}
.mention-empty{padding:18px 10px;font-size:12px;color:#919298}
.message-mention{color:inherit;font-weight:700}
.mention-unread{color:#cc2e38;font-weight:500}
.mention-unread{margin-right:5px;flex-shrink:0}
.mention-badge{font-size:10px;color:#cc2e38;background:#f9edef;border-radius:4px;padding:2px 5px}
.msg.mention-focus .bubble{outline:2px solid #cc2e3855;outline-offset:4px}

.message-reference{display:flex;flex-direction:column;gap:6px;max-width:360px;padding:10px 12px;margin-bottom:8px;border:0;border-left:3px solid #cd2e3a;border-radius:6px;background:#f0f0f2;color:#777;text-align:left;font-size:11px;cursor:pointer}.message-reference strong{font-size:10px}.message-reference span{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.message-reference:disabled{cursor:default;opacity:.65}

.conversation-avatar{position:relative;display:inline-flex;flex-shrink:0;align-items:center;justify-content:center}.conversation-unread{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;padding:0 4px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#cc2e38;color:#fff;font-size:10px;font-weight:600;line-height:1;border:1.5px solid #fff;white-space:nowrap}.preview>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mention-unread{white-space:nowrap}

.message-recalled{margin:12px auto 22px;text-align:center;color:var(--muted);font-size:11px;line-height:1.8;max-width:90%;overflow-wrap:anywhere}