:root{color-scheme:light;--ink:#17243a;--muted:#8290a4;--border:#e9edf4;--surface:#fff;--canvas:#f5f7fb;--blue:#455cea;--blue-soft:#ecf0ff;--green:#18b793;--nav:#111d33;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html,body{margin:0;min-width:320px;height:100%}body{color:var(--ink);background:var(--canvas);font-size:14px}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #aeb9ff;outline-offset:2px}.hidden{display:none!important}svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 18%,#e9edff 0,transparent 34%),radial-gradient(circle at 84% 80%,#e6f4f3 0,transparent 35%),#f6f8fc}.auth-card{width:min(100%,440px);background:#fff;padding:48px;border:1px solid #ecf0f5;border-radius:26px;box-shadow:0 28px 80px #1a326014}.auth-mark,.brand-icon{position:relative;background:var(--blue);border-radius:13px;display:flex;align-items:center;justify-content:center;gap:4px;flex:none}.auth-mark{width:52px;height:52px;margin-bottom:28px}.auth-mark span,.brand-icon span{display:block;background:#fff;border-radius:50%;width:6px;height:6px}.auth-mark span:nth-child(2),.brand-icon span:nth-child(2){transform:translateY(-3px)}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:800;color:#8290a9;margin:0 0 12px}.auth-card h1{font-size:31px;letter-spacing:-.045em;margin:0 0 10px;line-height:1.12}.auth-intro{color:#66758c;line-height:1.6;margin:0 0 34px}.auth-card label{display:block;font-size:13px;font-weight:700;margin-bottom:9px}.password-wrap{position:relative}.password-wrap input{width:100%;height:50px;border:1px solid #dce3ed;border-radius:12px;padding:0 95px 0 16px;background:#fafbfe;color:var(--ink)}.password-wrap input:focus{border-color:#8191fa;background:#fff}.reveal-button{position:absolute;right:8px;top:7px;border:0;background:transparent;color:#6f7f97;padding:9px;border-radius:8px;font-size:12px}.form-error{color:#c54c58;min-height:19px;margin:7px 0 0;font-size:12px}.primary-button{border:0;background:var(--blue);color:#fff;border-radius:12px;font-weight:700;box-shadow:0 7px 18px #4259e82e}.primary-button:hover,.send-button:hover:not(:disabled){background:#354bda}.login-button{width:100%;height:50px;display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px}.login-button span{font-size:21px;font-weight:400}.auth-footer{text-align:center;color:#a4afbd;font-size:12px;margin:27px 0 0}
.app-shell{height:100vh;min-height:600px;display:flex;background:#fff;overflow:hidden}.sidebar{width:236px;background:var(--nav);color:#f7f9ff;display:flex;flex-direction:column;flex:none;padding:28px 14px 18px}.brand{display:flex;align-items:center;gap:11px;padding:0 13px;margin-bottom:54px}.brand-icon{width:36px;height:36px;border-radius:10px;gap:3px}.brand-icon span{width:4px;height:4px}.brand-copy{display:flex;flex-direction:column;line-height:1.1}.brand-copy strong{font-size:17px;letter-spacing:-.04em}.brand-copy small{font-size:11px;color:#a5b1c6;margin-top:2px}.sidebar-label{font-size:10px;font-weight:700;letter-spacing:.14em;color:#71809b;margin:0 13px 14px}.main-nav{display:grid;gap:6px}.nav-item{height:44px;border:0;border-radius:10px;background:transparent;color:#a8b4c9;display:flex;align-items:center;gap:12px;padding:0 13px;text-align:left;font-weight:600}.nav-item svg{width:19px;height:19px}.nav-item span:nth-child(2){flex:1}.nav-item:hover{background:#1b2a45;color:#fff}.nav-item.active{background:#263958;color:#fff}.nav-item.active svg{color:#8da0ff}.nav-count{font-size:11px;min-width:20px;height:20px;padding:2px 6px;text-align:center;line-height:16px;border-radius:6px;background:#3f5273;color:#dde6f5}.sidebar-bottom{margin-top:auto}.sidebar-help{padding:16px 13px 22px;border-bottom:1px solid #293750;display:flex;gap:9px;align-items:flex-start;font-size:11px;color:#9facbf;line-height:1.5}.help-dot{background:#22c9a0;width:7px;height:7px;border-radius:50%;margin-top:5px;box-shadow:0 0 0 4px #22c9a01c}.logout-button{display:flex;align-items:center;gap:12px;width:100%;height:45px;margin-top:13px;padding:0 13px;border:0;border-radius:10px;background:transparent;color:#99a8be;text-align:left}.logout-button:hover{background:#1b2a45;color:#fff}.logout-button svg{width:18px;height:18px}
.workspace{flex:1;min-width:0;display:flex}.conversations-panel{width:385px;flex:none;display:flex;flex-direction:column;background:#fff;border-right:1px solid var(--border)}.panel-topline{display:flex;justify-content:space-between;align-items:center;padding:32px 26px 20px;font-size:10px;font-weight:800;letter-spacing:.14em;color:#9aa7b9}.live-indicator{font-size:11px;letter-spacing:0;font-weight:600;color:#21a987;display:flex;align-items:center;gap:6px}.live-indicator span,.sync-dot{display:block;width:7px;height:7px;border-radius:50%;background:#20c595}.panel-heading{display:flex;gap:10px;align-items:center;padding:0 26px}.panel-heading h2{font-size:25px;letter-spacing:-.045em;margin:0}.heading-count{background:#edf0fe;color:var(--blue);font-size:12px;font-weight:800;padding:4px 8px;border-radius:7px}.panel-subtitle{color:#8894a5;margin:6px 26px 23px;font-size:12px}.search-box{height:42px;display:flex;align-items:center;gap:9px;background:#f5f7fb;border:1px solid #f0f2f7;border-radius:10px;margin:0 20px;padding:0 11px;color:#91a0b2}.search-box svg{width:17px;height:17px;flex:none}.search-box input{border:0;outline:0;background:transparent;min-width:0;width:100%;color:var(--ink);font-size:12px}.search-box input::placeholder{color:#a4afbd}.search-box kbd{font-size:15px;font-family:inherit;color:#b7c1cc}.filter-row{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:18px 20px 17px}.filter-row::-webkit-scrollbar{display:none}.filter-button{flex:none;border:1px solid #e8ecf3;background:#fff;border-radius:8px;color:#7d8ba0;font-size:11px;font-weight:700;padding:8px 11px;max-width:155px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filter-button:hover{border-color:#aebafe}.filter-button.active{background:#eaf0ff;border-color:#dce5ff;color:#435beb}.list-header{height:35px;display:flex;justify-content:space-between;align-items:center;padding:0 26px;color:#a1acbc;font-size:10px;font-weight:800;letter-spacing:.12em;border-top:1px solid #f1f3f7}.list-header span:last-child{font-weight:600;letter-spacing:0}.conversation-list{overflow:auto;flex:1;padding:4px 11px 14px}.conversation-item{border:0;background:#fff;width:100%;display:flex;gap:11px;text-align:left;padding:14px 14px;border-radius:12px;color:var(--ink);position:relative}.conversation-item:hover{background:#f8faff}.conversation-item.active{background:#edf1ff}.conversation-avatar,.chat-avatar{display:grid;place-items:center;flex:none;font-weight:800;border-radius:14px;background:#eaf2ff;color:#4d77d1}.conversation-avatar{width:42px;height:42px;font-size:14px}.conversation-avatar.pink,.chat-avatar.pink{background:#fceaf0;color:#d15c83}.conversation-avatar.green,.chat-avatar.green{background:#e3f8ee;color:#32a17e}.conversation-copy{min-width:0;flex:1}.conversation-line{display:flex;align-items:center;gap:8px}.conversation-name{font-size:13px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.conversation-time{font-size:10px;color:#a8b2bf;white-space:nowrap}.conversation-preview{font-size:12px;line-height:1.5;color:#8190a3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:5px 0 8px}.conversation-meta{display:flex;align-items:center;justify-content:space-between;gap:5px}.account-tag{font-size:10px;background:#f1f3f8;color:#8996aa;padding:4px 7px;border-radius:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:185px}.unread-badge{min-width:18px;height:18px;display:grid;place-items:center;padding:0 5px;background:var(--blue);color:#fff;font-size:10px;font-weight:800;border-radius:10px}.list-footer{height:48px;display:flex;align-items:center;gap:8px;padding:0 26px;border-top:1px solid var(--border);color:#93a0b1;font-size:11px}.sync-dot{width:6px;height:6px}.list-empty{padding:44px 20px;text-align:center;color:#8290a4;font-size:12px;line-height:1.6}.list-empty strong{display:block;color:#34445e;font-size:14px;margin-bottom:6px}
.chat-panel{flex:1;min-width:0;background:#f8fafc;display:flex;position:relative}.chat-empty{margin:auto;text-align:center;max-width:420px;padding:32px}.empty-illustration{height:160px;width:210px;margin:0 auto 22px;position:relative}.empty-bubble{position:absolute;box-shadow:0 16px 30px #334b8120}.empty-bubble.back{width:135px;height:85px;border-radius:24px;background:#e6eaff;left:25px;top:18px;transform:rotate(-12deg);display:flex;align-items:center;justify-content:center;gap:7px}.empty-bubble.back i{width:10px;height:10px;background:#8fa2fb;border-radius:50%}.empty-bubble.front{width:141px;height:94px;border-radius:25px;background:#fff;right:12px;top:45px;transform:rotate(9deg);display:flex;flex-direction:column;justify-content:center;gap:11px;padding:23px}.empty-bubble.front span{height:8px;background:#d9e1f6;border-radius:4px}.empty-bubble.front span:last-child{width:70%}.chat-empty h2{font-size:22px;letter-spacing:-.04em;margin:0 0 10px}.chat-empty p{color:#8a98aa;line-height:1.65;margin:0 auto 22px;font-size:13px}.empty-note{display:inline-block;color:#98a8ba;background:#eef2f7;border:1px solid #e9edf4;border-radius:8px;padding:8px 12px;font-size:11px}.chat-content{display:flex;flex-direction:column;width:100%;height:100%}.chat-header{height:84px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:13px;padding:0 28px;flex:none}.chat-avatar{width:43px;height:43px;font-size:15px}.chat-identity{min-width:0;flex:1}.chat-identity h2{font-size:14px;letter-spacing:-.01em;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-identity p{font-size:11px;color:#99a5b6;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-status{font-size:11px;font-weight:700;color:#24a987;background:#eaf9f4;padding:7px 10px;border-radius:7px;white-space:nowrap}.account-status.offline{color:#9aa5b6;background:#f2f4f7}.back-button{display:none;border:0;background:transparent;color:#7889a2;padding:6px}.messages-scroll{flex:1;overflow-y:auto;padding:28px 28px 20px}.messages-inner{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px;min-height:100%}.date-divider{text-align:center;color:#9aa8b9;font-size:11px;margin:8px 0}.message-row{display:flex;align-items:flex-end;gap:10px;max-width:80%}.message-row.outgoing{align-self:flex-end;flex-direction:row-reverse}.message-row.incoming{align-self:flex-start}.message-avatar{width:27px;height:27px;flex:none;border-radius:9px;background:#e9f0ff;color:#6482c1;display:grid;place-items:center;font-size:10px;font-weight:800}.message-row.outgoing .message-avatar{background:#e8edff;color:#4c63dd}.message-bubble{background:#fff;border:1px solid #ecf0f5;border-radius:14px 14px 14px 4px;padding:12px 14px;box-shadow:0 3px 11px #1e335407;min-width:70px}.message-row.outgoing .message-bubble{background:#e8edff;border-color:#e2e8ff;border-radius:14px 14px 4px 14px}.message-text{font-size:13px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}.message-detail{text-align:right;color:#9ba7b5;font-size:10px;margin-top:7px}.message-row.outgoing .message-detail{color:#7e91c0}.message-detail.failed{color:#ce5b67}.messages-empty{margin:auto;text-align:center;color:#8b99aa;font-size:12px;line-height:1.6}.composer{background:#fff;border-top:1px solid var(--border);padding:18px 28px 14px;flex:none}.composer-box{max-width:760px;margin:auto;border:1px solid #dfe5ef;background:#fafbfe;display:flex;align-items:flex-end;gap:10px;padding:9px;border-radius:13px}.composer-box:focus-within{border-color:#98a8f6;background:#fff}.composer textarea{flex:1;resize:none;border:0;outline:0;background:transparent;padding:9px 7px;max-height:130px;min-height:35px;font-size:13px;color:var(--ink)}.composer textarea::placeholder{color:#a5b0bd}.composer textarea:disabled{color:#a5b0bd}.send-button{width:37px;height:37px;display:grid;place-items:center;border:0;border-radius:9px;background:var(--blue);color:#fff;flex:none}.send-button:disabled{background:#c9d1df}.send-button svg{width:17px;height:17px}.composer-hint{max-width:760px;margin:8px auto 0;text-align:right;color:#aab5c2;font-size:10px}
.accounts-view{flex:1;overflow:auto;padding:54px clamp(28px,5vw,86px);background:#f8fafc}.accounts-head{margin:0 0 33px}.accounts-head h1{font-size:30px;letter-spacing:-.045em;margin:0 0 8px}.accounts-head>p:last-child{color:#8997aa;margin:0;font-size:13px}.accounts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;max-width:900px}.account-card{background:#fff;border:1px solid #e9edf4;border-radius:15px;padding:22px;box-shadow:0 6px 20px #22355609}.account-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:21px}.account-card-icon{height:39px;width:39px;border-radius:11px;background:#edf1ff;color:#5465d9;display:grid;place-items:center;font-size:16px;font-weight:800}.account-card h3{font-size:14px;margin:0 0 5px}.account-card p{font-size:11px;color:#9aa6b5;margin:0}.account-card-foot{border-top:1px solid #eff2f6;margin-top:21px;padding-top:15px;color:#8895a6;font-size:11px;display:flex;justify-content:space-between}.accounts-help{background:#f0f3fc;border:1px solid #e5eaf6;border-radius:13px;padding:20px 22px;max-width:900px;margin-top:25px}.accounts-help strong{font-size:13px}.accounts-help p{margin:6px 0 0;font-size:12px;color:#7889a4;line-height:1.6}.toast{position:fixed;bottom:24px;right:24px;background:#18283f;color:#fff;border-radius:11px;padding:12px 17px;box-shadow:0 14px 35px #1b2c4b37;font-size:12px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:10;max-width:330px}.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:1000px){.sidebar{width:72px;padding:25px 10px 16px}.brand{padding:0;margin:0 auto 58px}.brand-copy,.sidebar-label,.nav-item span,.sidebar-help,.logout-button span{display:none}.main-nav{gap:8px}.nav-item,.logout-button{justify-content:center;padding:0}.nav-item svg,.logout-button svg{width:20px;height:20px}.conversations-panel{width:340px}.panel-topline{padding-top:27px}}
@media(max-width:700px){.app-shell{min-height:0;height:100dvh;display:block;padding-bottom:60px}.sidebar{position:fixed;bottom:0;left:0;right:0;width:100%;height:60px;padding:5px 16px;z-index:5;display:flex;flex-direction:row;align-items:center;justify-content:center;border-top:1px solid #283750}.brand,.sidebar-bottom,.sidebar-label{display:none}.main-nav{display:flex;gap:18px;width:100%;justify-content:center}.nav-item{width:145px;height:43px;justify-content:center;gap:8px}.nav-item span:nth-child(2){display:block;flex:none;font-size:12px}.nav-count{display:none!important}.workspace{height:100%;display:block}.conversations-panel{width:100%;height:100%;border:0}.panel-topline{padding:21px 21px 17px}.panel-heading{padding:0 21px}.panel-subtitle{margin-left:21px;margin-right:21px}.search-box{margin:0 17px}.filter-row{padding-left:17px;padding-right:17px}.list-header{padding:0 21px}.conversation-list{padding:3px 10px}.list-footer{padding:0 21px}.chat-panel{display:none;height:100%}.workspace.chat-open .conversations-panel{display:none}.workspace.chat-open .chat-panel{display:flex}.back-button{display:grid;place-items:center}.chat-header{height:68px;padding:0 12px;gap:8px}.chat-avatar{width:36px;height:36px;border-radius:11px}.chat-identity h2{font-size:13px}.account-status{font-size:10px;padding:6px}.messages-scroll{padding:18px 12px}.message-row{max-width:92%}.composer{padding:10px 12px 9px}.composer-hint{display:none}.accounts-view{height:100%;padding:28px 19px}.accounts-head h1{font-size:25px}.accounts-grid{grid-template-columns:1fr}.toast{bottom:72px;left:16px;right:16px;max-width:none}.auth-card{padding:35px 27px;border-radius:19px}.auth-card h1{font-size:27px}}
/* Login fields */
.auth-card #login{display:block;width:100%;height:50px;border:1px solid #dce3ed;border-radius:12px;padding:0 16px;margin:0 0 19px;background:#fafbfe;color:var(--ink)}
.auth-card #login:focus{border-color:#8191fa;background:#fff}
.mobile-logout{display:none;border:0;background:transparent;color:#6c7a91;font-size:12px;font-weight:700;padding:8px}
@media(max-width:700px){.mobile-logout{display:block}.accounts-head .mobile-logout{float:right;margin-top:-8px}.panel-topline .live-indicator{margin-left:auto;margin-right:8px}}

/* Three-pane message center */
body{background:#fff;color:#151515}
.app-shell{height:calc(100dvh - 48px);min-height:0;margin:24px;border:1px solid #e7e7e7;border-radius:13px;box-shadow:none;background:#fff;overflow:hidden;display:flex;padding:0}
.sidebar{position:static;width:225px;height:100%;padding:0;background:#fff;color:#151515;border-right:1px solid #e8e8e8;display:flex;flex-direction:column;flex:none}
.accounts-top{height:61px;padding:12px 13px 12px 15px;display:flex;align-items:center;gap:8px;flex:none}
.accounts-top h2{font-size:16px;font-weight:700;margin:0;flex:1;letter-spacing:0}
.accounts-top button{border:0;border-radius:10px;background:#e9edff;color:#1f47e5;font-size:12px;font-weight:650;padding:9px 11px;white-space:nowrap}
.accounts-top button:hover{background:#dce4ff}
.accounts-list{display:flex;flex-direction:column;gap:2px;padding:0 7px;overflow-y:auto;flex:1}
.account-entry{display:block;width:100%;border:0;border-radius:11px;padding:11px 10px;background:#fff;text-align:left;color:#171717;min-height:52px}
.account-entry:hover{background:#f5f6fa}.account-entry.active{background:#e9edff}
.account-entry strong{display:block;font-size:12px;line-height:1.25;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.account-entry small{display:block;margin-top:4px;color:#777;font-size:11px}
.account-entry.active small{color:#586995}
.sidebar>.logout-button{display:flex;align-items:center;justify-content:flex-start;height:43px;width:auto;margin:8px 12px 12px;padding:0 10px;color:#6c6c6c;font-size:12px;border-radius:8px}
.sidebar>.logout-button:hover{background:#f1f2f6;color:#222}
.workspace{height:100%;flex:1;min-width:0;display:flex}
.conversations-panel{width:485px;height:100%;border-right:1px solid #e8e8e8;background:#fff;flex:none}
.panel-topline,.panel-subtitle,.search-box,.list-header,.list-footer{display:none!important}
.panel-heading{height:62px;padding:0 14px;display:flex;align-items:center;border-bottom:1px solid #ececec;gap:8px}
.panel-heading h2{font-size:16px;font-weight:700;letter-spacing:0;margin:0;flex:1}
.heading-count{display:none}.refresh-button{border:0;background:#e9edff;color:#2452df;border-radius:10px;padding:8px 10px;font-size:12px;font-weight:650}
.refresh-button:hover{background:#dce4ff}
.filter-row{padding:15px 10px 8px;gap:5px;overflow:visible}
.filter-button{border:0;background:#fff;color:#888;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:500;max-width:none}
.filter-button.active{border:0;background:#f3f3f3;color:#151515;font-weight:700}
.conversation-list{padding:2px 10px 15px;scrollbar-width:thin}
.conversation-item{padding:12px 9px;min-height:66px;gap:11px;border-radius:10px}
.conversation-item.unread{background:#f5f7ff}
.conversation-item.unread .conversation-name,.conversation-item.unread .conversation-preview{font-weight:700;color:#1f2d4a}
.conversation-preview-row{display:flex;align-items:center;gap:8px;min-width:0}
.conversation-preview-row .conversation-preview{min-width:0;flex:1}
.conversation-preview-row .unread-badge{display:grid;place-items:center;flex:none;min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:#455cea;color:#fff;font-size:11px;font-weight:700}
.new-messages-divider{align-self:stretch;display:flex;align-items:center;gap:12px;color:#455cea;font-size:11px;font-weight:700;margin:7px 0}
.new-messages-divider::before,.new-messages-divider::after{content:"";height:1px;flex:1;background:#cbd4ff}
.message-row.new-message .message-bubble{border-color:#aab9ff;background:#f4f6ff}
.conversation-item.active{background:#f2f5ff}.conversation-item:hover{background:#f7f8fb}
.conversation-avatar{width:40px;height:40px;border-radius:50%;font-size:17px;background:#526df4;color:white;font-weight:500}
.conversation-avatar.pink{background:#ed3981;color:white}.conversation-avatar.green{background:#97cd55;color:white}
.conversation-name{font-size:12px;font-weight:650}.conversation-time{font-size:10px;color:#888}
.conversation-preview{font-size:12px;color:#828282;margin:5px 0 0;line-height:1.3}
.conversation-item-title{font-size:11px;color:#5d6b85;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conversation-meta{display:none}.conversation-line{align-items:baseline}
.chat-panel{display:flex;flex-direction:column;background:#fff;min-width:0;min-height:0}
.messages-top{height:62px;min-height:62px;padding:0 13px;border-bottom:1px solid #ececec;display:flex;align-items:center;font-size:16px;font-weight:700}
.chat-empty{margin:auto;padding:20px;text-align:center;max-width:none;color:#111}
.chat-empty img{display:block;width:44px;height:44px;margin:0 auto 13px;padding:9px;border:1px solid #e6e6e6;border-radius:14px;background:#fff}
.chat-empty p{margin:0;color:#151515;font-size:14px}
.chat-content{flex:1;min-height:0;height:auto}.chat-header{height:68px;background:#fff;padding:0 20px}
.messages-scroll{background:#fafafa}.message-bubble{box-shadow:none}.composer{padding:12px 20px}
.account-dialog{width:min(420px,calc(100% - 28px));border:1px solid #e7e7e7;border-radius:15px;padding:24px;box-shadow:0 22px 70px #162a4b2c;color:#161616}
.account-dialog::backdrop{background:#10172c70}.account-dialog h2{font-size:20px;margin:0 0 8px}
.account-dialog p{font-size:12px;line-height:1.5;color:#717171;margin:0 0 18px}
.account-dialog label{display:block;font-size:12px;font-weight:650;margin:12px 0 6px}
.account-dialog input{width:100%;height:42px;border:1px solid #d9dfe8;border-radius:8px;padding:0 11px;color:#151515;background:#fff}
.account-dialog .form-error{color:#c54c58;margin:9px 0 0}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:15px}
.dialog-actions button{border:0;border-radius:9px;padding:10px 15px;background:#f0f2f7;color:#333}
.dialog-actions .primary-button{background:#455cea;color:#fff}
@media(max-width:1000px){.sidebar{width:205px;padding:0}.conversations-panel{width:360px}.panel-heading{padding:0 12px}}
@media(max-width:700px){.app-shell{margin:0;height:100dvh;border:0;border-radius:0;display:flex;flex-direction:column;padding:0}.sidebar{position:static;bottom:auto;left:auto;right:auto;width:100%;height:125px;padding:0;border-right:0;border-bottom:1px solid #e9e9e9;display:flex;flex-direction:column;align-items:stretch;z-index:1}.accounts-top{height:48px;padding:6px 12px}.accounts-top h2{font-size:15px}.accounts-list{display:flex;flex-direction:row;overflow-x:auto;overflow-y:hidden;gap:6px;padding:0 10px 10px;flex:1}.account-entry{min-width:165px;width:165px;padding:9px 10px;min-height:54px}.sidebar>.logout-button{position:absolute;top:6px;right:107px;margin:0;height:34px;padding:0 7px}.workspace{height:auto;flex:1;min-height:0;display:block}.conversations-panel{width:100%;height:100%;border:0}.panel-heading{height:54px}.filter-row{padding:8px 10px}.chat-panel{display:none;height:100%}.workspace.chat-open .chat-panel{display:flex}.workspace.chat-open .conversations-panel{display:none}.messages-top{height:50px;min-height:50px}.chat-header{height:60px;padding:0 10px}.messages-scroll{padding:14px 10px}.composer{padding:8px 10px}.toast{bottom:14px}}

/* Phone and narrow tablet layout */
.mobile-header-logout{display:none}
@media(max-width:900px){
  .app-shell{width:100%;height:100dvh;min-height:0;margin:0;border:0;border-radius:0;display:flex;flex-direction:column;overflow:hidden;padding:0}
  .sidebar{position:relative;inset:auto;width:100%;height:108px;min-height:108px;border:0;border-bottom:1px solid #e8ebf0;padding:0;display:flex;flex-direction:column;align-items:stretch;background:#fff;z-index:1}
  .accounts-top{height:48px;min-height:48px;padding:5px 12px;gap:7px}
  .accounts-top h2{font-size:16px;min-width:0}
  .accounts-top button{min-height:38px;padding:7px 9px;font-size:12px}
  .mobile-header-logout{display:inline-flex;align-items:center;justify-content:center;border:0;background:#f5f6fa!important;color:#59657a!important;border-radius:9px}
  .sidebar>.logout-button{display:none}
  .accounts-list{display:flex;flex-direction:row;gap:6px;flex:1;min-height:0;overflow-x:auto;overflow-y:hidden;padding:0 10px 8px;scrollbar-width:none}
  .accounts-list::-webkit-scrollbar{display:none}
  .account-entry{min-width:155px;width:155px;min-height:50px;height:50px;padding:8px 10px;flex:none}
  .account-entry:first-child{min-width:62px;width:62px}
  .account-entry strong{font-size:12px}.account-entry small{font-size:10px;margin-top:3px}
  .workspace{height:auto;flex:1;min-height:0;display:block}
  .conversations-panel{height:100%;width:100%;border:0}
  .panel-heading{height:52px;padding:0 12px}
  .panel-heading h2{font-size:17px}.refresh-button{min-height:38px}
  .search-box{display:flex!important;height:42px;margin:10px 12px 2px;padding:0 11px}
  .search-box input{font-size:16px}.search-box kbd{display:none}
  .filter-row{padding:8px 10px;gap:4px}.filter-button{min-height:40px;padding:9px 13px;font-size:13px}
  .conversation-list{padding:0 8px 16px;overflow-y:auto;min-height:0}
  .conversation-item{min-height:78px;padding:12px 10px;gap:11px;align-items:flex-start}
  .conversation-avatar{width:42px;height:42px;font-size:17px}
  .conversation-name{font-size:14px}.conversation-time{font-size:11px}
  .conversation-item-title{font-size:12px;margin-top:5px}
  .conversation-preview{font-size:12px;margin-top:4px}
  .app-shell.mobile-chat-open .sidebar{display:none}
  .chat-panel{display:none;width:100%;height:100%;min-height:0}
  .workspace.chat-open .conversations-panel{display:none}
  .workspace.chat-open .chat-panel{display:flex}
  .messages-top{display:none}
  .chat-content{height:100%;flex:1;min-height:0}
  .chat-header{height:64px;min-height:64px;padding:0 9px;gap:7px}
  .back-button{display:grid;place-items:center;min-width:40px;width:40px;height:44px;padding:0}
  .chat-avatar{width:38px;height:38px;border-radius:50%;font-size:13px}
  .chat-identity{min-width:0;flex:1}.chat-identity h2{font-size:14px;margin:0 0 3px}.chat-identity p{font-size:11px}
  #chatStatus{display:none}
  .chat-header .mobile-logout{display:inline-flex;align-items:center;min-width:44px;height:40px;padding:0 4px;font-size:12px;flex:none}
  .messages-scroll{min-height:0;padding:16px 10px;background:#fafbfc}
  .message-row{max-width:calc(100% - 10px);gap:7px}.message-avatar{width:25px;height:25px;flex:none}
  .message-bubble{padding:10px 12px}.message-text{font-size:14px;line-height:1.45}
  .composer{padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#fff}
  .composer-box{max-width:none;margin:0;padding:6px 7px;align-items:center}
  .composer textarea{font-size:16px;min-height:42px;padding:10px 7px;line-height:1.3}
  .send-button{width:44px;height:44px;min-width:44px;border-radius:10px}
  .toast{top:calc(9px + env(safe-area-inset-top));bottom:auto;left:10px;right:10px;max-width:none}
  .account-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px);overflow-y:auto;padding:20px}
  .account-dialog input,.auth-card input{font-size:16px}
  .auth-screen{padding:16px}.auth-card{padding:32px 24px}
}
@media(max-width:360px){.accounts-top{padding:5px 9px;gap:5px}.accounts-top h2{font-size:15px}.accounts-top button{font-size:11px;padding:6px 7px}.chat-header{gap:5px;padding:0 6px}.chat-avatar{width:34px;height:34px}.chat-header .mobile-logout{font-size:11px}}