:root{--fc-bg:#f7f5fb;--fc-frame:#efe9fb;--fc-frame-2:#e4e2fb;--fc-text:#2c2a4a;--fc-muted:#6b6788;--fc-soft:#8e89ac;--fc-line:#6b5dd324;--fc-primary:#5a4fcf;--fc-primary-2:#6b5dd3;--fc-primary-3:#8b5dd3;--fc-pink:#ff7cb8;--fc-purple:#b968d9;--fc-blue:#6b86e8;--fc-own-1:#c77ed9;--fc-own-2:#b566ce;--fc-danger:#d8434a;color:var(--fc-text);background:var(--fc-bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}html[data-theme=dark]{--fc-bg:#14101f;--fc-frame:#1f1733;--fc-frame-2:#14101f;--fc-text:#e8e4f5;--fc-muted:#8b85a8;--fc-soft:#6b6788;--fc-line:#ffffff14;--fc-primary:#b5a8e8;--fc-primary-2:#7c6cde;--fc-primary-3:#9b85e8;--fc-own-1:#c77ed9;--fc-own-2:#b566ce}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:var(--fc-bg);min-width:320px;min-height:100vh;margin:0;overflow:hidden}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}button,input,textarea{font:inherit}button{color:inherit}h1,h2,h3,p{margin-top:0}.page{min-height:100vh}.auth-page{background:radial-gradient(circle at 20% 8%, #ff7cb83d, transparent 26%), radial-gradient(circle at 78% 18%, #6b86e833, transparent 28%), linear-gradient(135deg, var(--fc-frame) 0%, var(--fc-frame-2) 100%);place-items:center;padding:24px;display:grid}.auth-shell{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff8c;border:1px solid #ffffff9e;border-radius:24px;width:min(360px,100%);overflow:hidden;box-shadow:0 24px 56px #26215c29}html[data-theme=dark] .auth-shell,html[data-theme=dark] .chat-sidebar,html[data-theme=dark] .conversation-header,html[data-theme=dark] .composer{background:#ffffff0a}html[data-theme=dark] .field input,html[data-theme=dark] .search-box input,html[data-theme=dark] .composer-row{color:var(--fc-text);background:#ffffff0f;border-color:#ffffff1a}.auth-copy{text-align:center;place-items:center;gap:6px;min-height:178px;padding:28px 24px 18px;display:grid;position:relative}.auth-copy:before{content:"";background:radial-gradient(circle at 50% 20%,#ff7cb833,#0000 24%),radial-gradient(circle at 62% 62%,#6b86e82e,#0000 28%);position:absolute;inset:0}.auth-logo-mark{background:#ffffffb8;border:1px solid #6b5dd31f;border-radius:18px;place-items:center;width:66px;height:66px;display:grid;position:relative;box-shadow:0 12px 28px #26215c1a}.auth-logo-mark img{object-fit:contain;width:48px;height:48px}.auth-copy .eyebrow{background:linear-gradient(120deg, var(--fc-pink), var(--fc-purple), var(--fc-blue));color:#0000;letter-spacing:-.5px;-webkit-background-clip:text;background-clip:text;margin:2px 0 0;font-size:32px;font-weight:500;position:relative}.auth-copy h1{color:var(--fc-text);margin:-2px 0 0;font-size:18px;font-weight:500;position:relative}.auth-copy p:not(.eyebrow){display:none}.auth-form{gap:14px;padding:16px 32px 32px;display:grid}.eyebrow{color:var(--fc-primary);letter-spacing:0;margin:0;font-size:.72rem;font-weight:600}.notice,.result{border-radius:12px;padding:10px 12px;font-size:.78rem;line-height:1.45}.notice{color:#9d5c2f;background:#f0b07424;border:1px solid #d8844c3d}.field{gap:7px;display:grid}.field span:first-child{color:var(--fc-muted);font-size:11px;font-weight:500}.field input,.search-box input{width:100%;color:var(--fc-text);background:#fff;border:1px solid #c9c0e8;border-radius:14px;outline:none;transition:border-color .15s,box-shadow .15s,background .15s}.field input{min-height:44px;padding:11px 14px;font-size:13px}.field input::placeholder{color:var(--fc-soft)}.field input:focus{border-color:var(--fc-primary);box-shadow:0 0 0 3px #5a4fcf1f}.field input[aria-invalid=true]{border-color:#d8434aad}.field small{color:var(--fc-danger);font-size:.74rem}.code-dots{gap:6px;padding-left:2px;display:flex}.code-dots i{background:#6b5dd324;border-radius:999px;width:6px;height:6px;display:block}.code-dots i.filled{background:var(--fc-primary)}.submit-button,.ghost-button,.send-button,.icon-button{cursor:pointer;border:0;font-weight:500;transition:background .15s,transform .15s,opacity .15s,box-shadow .15s}.submit-button{color:#fff;background:linear-gradient(120deg, var(--fc-primary-2) 0%, var(--fc-primary-3) 100%);border-radius:14px;min-height:46px;padding:12px 18px;font-size:14px}.submit-button:hover:not(:disabled){opacity:.92;transform:translateY(-1px)}.submit-button:disabled,.send-button:disabled,.attach-button:disabled{cursor:not-allowed;opacity:.58}.official-link{color:var(--fc-muted);justify-self:center;font-size:12px;text-decoration:none;transition:color .15s}.official-link:hover{color:var(--fc-primary)}.result.success{color:#2f8a66;background:#5dbe961f;border:1px solid #5dbe9640}.result.error{color:var(--fc-danger);background:#d8434a1a;border:1px solid #d8434a33}.messenger-page{background:linear-gradient(135deg, var(--fc-frame) 0%, var(--fc-frame-2) 100%);grid-template-columns:336px minmax(0,1fr);width:100vw;height:100vh;display:grid;overflow:hidden}.chat-sidebar{border-right:.5px solid var(--fc-line);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff8c;grid-template-rows:auto auto minmax(0,1fr);min-height:0;display:grid}.sidebar-header{justify-content:space-between;align-items:center;gap:12px;padding:16px 16px 12px;display:flex}.sidebar-header>div{min-width:0}.sidebar-brand{align-items:center;gap:9px;display:flex}.sidebar-brand img{object-fit:contain;width:28px;height:28px;display:block}.sidebar-brand .eyebrow{display:none}.sidebar-header h1{color:var(--fc-text);letter-spacing:-.3px;margin:0;font-size:18px;font-weight:500}.sidebar-header .eyebrow{display:none}.ghost-button,.icon-button,.theme-button,.logout-button{width:32px;height:32px;color:var(--fc-primary);cursor:pointer;background:0 0;border:0;border-radius:10px;place-items:center;display:grid}.ghost-button{font-size:0}.ghost-button:before{content:"↗";font-size:15px}.ghost-button:hover,.icon-button:hover,.theme-button:hover,.logout-button:hover{color:var(--fc-primary);background:#6b5dd31f;transform:translateY(-1px);box-shadow:0 6px 14px #26215c14}.sidebar-actions{align-items:center;gap:4px;display:flex}.search-box{padding:0 16px 12px;position:relative}.search-box:before{color:var(--fc-soft);content:"⌕";pointer-events:none;font-size:15px;position:absolute;top:9px;left:28px}.search-box input{background:#ffffffb3;border-color:#6b5dd32e;border-radius:12px;height:38px;padding:9px 14px 9px 36px;font-size:12px}.search-box input::placeholder{color:var(--fc-soft)}.search-box input:focus{border-color:var(--fc-primary)}.chat-list{min-height:0;padding:4px 8px 12px;overflow:auto}.chat-list::-webkit-scrollbar{width:6px}.message-area::-webkit-scrollbar{width:6px}.chat-list::-webkit-scrollbar-thumb{background:#6b5dd333;border-radius:3px}.message-area::-webkit-scrollbar-thumb{background:#6b5dd333;border-radius:3px}.chat-item{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:12px;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:10px;width:100%;min-height:58px;margin-bottom:1px;padding:8px;transition:background .15s;display:grid}.chat-item:hover{background:#6b5dd30f}.chat-item.active{background:#6b5dd31f}.avatar{color:#fff;background:linear-gradient(135deg,#c77ed9,#a05bc9);border-radius:50%;place-items:center;width:40px;height:40px;font-size:15px;font-weight:500;display:inline-grid}.avatar-tone-1{background:linear-gradient(135deg,#c77ed9,#a05bc9)}.avatar-tone-2{background:linear-gradient(135deg,#6b86e8,#5a6fd6)}.avatar-tone-3{background:linear-gradient(135deg,#5dbe96,#45a37d)}.avatar-tone-4{background:linear-gradient(135deg,#f0a45f,#d8884c)}.avatar-tone-5{background:linear-gradient(135deg,#ff7cb8,#d85b9d)}.avatar-tone-6{background:linear-gradient(135deg,#6bc7d9,#469bb5)}.avatar.large{width:40px;height:40px;font-size:15px}.chat-main{gap:2px;min-width:0;display:grid}.chat-topline,.chat-subline{justify-content:space-between;align-items:center;gap:10px;min-width:0;display:flex}.chat-topline strong,.chat-subline span:first-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.chat-topline strong{min-width:0;color:var(--fc-text);align-items:center;gap:6px;font-size:13px;font-weight:500;display:inline-flex}.chat-topline strong .group-chat-icon{background:#6b5dd31f;border-radius:999px;flex:none;width:16px;height:14px;position:relative}.group-chat-icon:before,.group-chat-icon:after{background:var(--fc-primary);content:"";border-radius:50%;width:5px;height:5px;position:absolute;top:4px}.group-chat-icon:before{left:3px;box-shadow:0 5px 0 1px #6b5dd340}.group-chat-icon:after{right:3px;box-shadow:0 5px 0 1px #6b5dd32e}.chat-topline time,.chat-subline{color:var(--fc-muted);font-size:11px}.online-dot{color:#5dbe96;flex:none;font-weight:500}.unread-badge{color:#fff;background:var(--fc-primary);border-radius:8px;place-items:center;min-width:18px;height:18px;padding:1px 6px;font-size:10px;font-weight:500;display:inline-grid}.conversation-panel{background:0 0;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;display:grid}.conversation-header{border-bottom:.5px solid var(--fc-line);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff8c;align-items:center;gap:12px;min-height:64px;padding:12px 20px;display:flex}.conversation-header h2{color:var(--fc-text);margin-bottom:2px;font-size:13px;font-weight:500}.conversation-header p{color:#6f8ce0;margin-bottom:0;font-size:10px}.conversation-empty{min-height:0;color:var(--fc-muted);text-align:center;place-content:center;padding:24px;display:grid}.conversation-empty h3{color:var(--fc-text);margin-bottom:8px;font-size:16px;font-weight:500}.conversation-empty p{max-width:460px;margin-bottom:0;font-size:13px;line-height:1.55}.message-area{min-height:0;overflow:auto}.message-list{flex-direction:column;justify-content:flex-end;gap:6px;min-height:100%;padding:16px 20px;display:flex}.history-loader{color:var(--fc-muted);background:#6b5dd314;border-radius:999px;align-self:center;padding:5px 11px;font-size:11px}html[data-theme=dark] .history-loader{color:#8b85a8;background:#ffffff0f}.message-item-group{display:contents}.message-date-label{color:var(--fc-muted);background:#ffffffb8;border-radius:999px;align-self:center;margin:6px 0;padding:5px 10px;font-size:10px;font-weight:500}html[data-theme=dark] .message-date-label{color:#8b85a8;background:#ffffff0f}.message-bubble{width:fit-content;max-width:min(680px,75%);color:var(--fc-text);box-shadow:none;background:#fff;border:0;border-radius:16px;align-self:flex-start;gap:6px;padding:8px 13px;font-size:13px;line-height:1.4;display:grid}html[data-theme=dark] .message-bubble{color:#e8e4f5;background:#ffffff14}html[data-theme=dark] .message-bubble.mine{color:#fff;background:linear-gradient(135deg,#c77ed9 0%,#b566ce 100%)}.message-bubble.mine{color:#fff;background:linear-gradient(135deg, var(--fc-own-1) 0%, var(--fc-own-2) 100%);border-bottom-right-radius:4px;align-self:flex-end}.message-bubble.menu-open{outline:2px solid #6b5dd333}.message-bubble p{white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:0}.message-attachments{gap:8px;display:grid}.image-attachment{cursor:zoom-in;background:#ffffff52;border:1px solid #6b5dd31f;border-radius:12px;padding:0;display:block;overflow:hidden}.image-attachment img{object-fit:contain;width:100%;max-height:360px;display:block}.file-attachment{width:100%;color:inherit;font:inherit;text-align:left;cursor:pointer;background:#ffffff2e;border:1px solid #6b5dd326;border-radius:10px;grid-template-columns:38px minmax(0,1fr);align-items:center;gap:10px;padding:9px 12px;text-decoration:none;display:grid}.message-bubble:not(.mine) .file-attachment{background:#fff}.file-attachment:hover:not(:disabled){background:#ffffffb8}html[data-theme=dark] .message-bubble:not(.mine) .file-attachment{color:var(--fc-text);background:#ffffff12;border-color:#ffffff1f}html[data-theme=dark] .message-bubble.mine .file-attachment{color:#fff;background:#ffffff1f;border-color:#ffffff2e}html[data-theme=dark] .file-attachment:hover:not(:disabled){background:#ffffff24}.file-attachment:disabled{cursor:wait;opacity:.72}.file-icon{color:#fff;background:linear-gradient(135deg, var(--fc-primary-2), var(--fc-primary-3));border-radius:9px;place-items:center;width:38px;height:38px;font-size:.62rem;font-weight:600;display:inline-grid}.message-bubble.mine .file-icon{background:#ffffff40}.file-details{gap:2px;min-width:0;display:grid}.file-details strong,.file-details span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.file-details strong{font-size:12px;font-weight:500}.file-details span{opacity:.7;font-size:10px}.attachment-error,.attachment-loading{color:var(--fc-muted);font-size:11px}.attachment-error{color:var(--fc-danger)}.message-bubble footer{opacity:.75;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:7px;font-size:10px;display:flex}.message-bubble:not(.mine) footer{color:var(--fc-soft);opacity:1}html[data-theme=dark] .message-bubble:not(.mine) footer{color:#8b85a8}html[data-theme=dark] .message-bubble.mine footer{color:#ffffffbf}.message-bubble footer button{color:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-weight:500}.message-context-menu{z-index:1001;background:#fff;border:.5px solid #6b5dd326;border-radius:12px;width:180px;padding:5px;display:grid;position:fixed;box-shadow:0 12px 32px #26215c2e}html[data-theme=dark] .message-context-menu{background:#241c38;border-color:#ffffff14;box-shadow:0 18px 36px #00000059}.message-context-menu button{width:100%;color:var(--fc-text);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:10px;padding:8px 10px;font-size:12px;display:flex}.message-context-menu button:hover:not(:disabled){background:#6b5dd314}html[data-theme=dark] .message-context-menu button:hover:not(:disabled){background:#ffffff0f}.message-context-menu button:disabled{cursor:not-allowed;opacity:.42}.message-context-menu .danger{color:var(--fc-danger)}.message-context-divider{background:#6b5dd326;height:.5px;margin:4px 6px}html[data-theme=dark] .message-context-divider{background:#ffffff14}.action-icon{width:17px;height:17px;color:var(--fc-muted);flex:none;display:inline-block;position:relative}.danger .action-icon{color:var(--fc-danger)}.reply-action:before{content:"";border-top:2px solid;border-left:2px solid;width:9px;height:7px;position:absolute;top:4px;left:3px;transform:rotate(-45deg)}.reply-action:after{content:"";background:currentColor;border-radius:999px;width:7px;height:2px;position:absolute;top:8px;left:7px}.edit-action:before{content:"";background:currentColor;border-radius:2px;width:11px;height:3px;position:absolute;top:10px;left:3px;transform:rotate(-45deg)}.edit-action:after{content:"";background:currentColor;border-radius:999px;width:5px;height:2px;position:absolute;top:13px;left:2px}.copy-action:before,.copy-action:after{content:"";border:1.8px solid;border-radius:3px;width:9px;height:10px;position:absolute}.copy-action:before{top:3px;left:5px}.copy-action:after{background:var(--fc-bg);top:6px;left:2px}.delete-action:before{content:"";border:1.8px solid;border-top:0;border-radius:0 0 3px 3px;width:9px;height:9px;position:absolute;top:6px;left:4px}.delete-action:after{content:"";background:currentColor;border-radius:999px;width:11px;height:2px;position:absolute;top:3px;left:3px;box-shadow:3px -2px 0 -1px}.reply-preview,.composer-reply{border-left:3px solid var(--fc-primary);background:#6b5dd31a;border-radius:10px}.message-bubble.mine .reply-preview{background:#ffffff26;border-left-color:#fff9}.reply-preview{gap:2px;padding:7px 9px;font-size:11px;display:grid}.reply-preview span,.composer-reply span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.composer{border-top:.5px solid var(--fc-line);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff8c;gap:8px;padding:12px 18px 16px;display:grid}.composer-reply{justify-content:space-between;align-items:center;gap:10px;padding:7px 12px;display:flex}.composer-reply div{gap:1px;min-width:0;display:grid}.composer-reply strong{color:var(--fc-primary);font-size:11px;font-weight:500}.composer-reply span{color:var(--fc-muted);font-size:11px}.composer-reply button{width:26px;height:26px;color:var(--fc-primary);cursor:pointer;background:0 0;border:0;border-radius:999px;flex:none;font-weight:600}.composer-edit{background:#e8a75f26;border-left:3px solid #d8884c;border-radius:10px;grid-template-columns:22px minmax(0,1fr) 26px;align-items:center;gap:10px;padding:7px 12px;display:grid}.composer-edit .edit-action{color:#d8884c}.composer-edit div{gap:1px;min-width:0;display:grid}.composer-edit strong{color:#b36f30;font-size:11px;font-weight:500}.composer-edit span:not(.action-icon){color:var(--fc-muted);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.composer-edit button{color:#b36f30;cursor:pointer;background:0 0;border:0;border-radius:999px;width:26px;height:26px;font-weight:600}.composer-error{color:var(--fc-danger);font-size:12px}.composer-files{gap:8px;display:grid}.composer-file-preview{background:#fff;border:1px solid #6b5dd326;border-radius:10px;grid-template-columns:38px minmax(0,1fr) 32px;align-items:center;gap:10px;padding:9px 10px 9px 12px;display:grid}html[data-theme=dark] .composer-file-preview{background:#ffffff0f;border-color:#ffffff14}.composer-file-icon{color:#fff;background:linear-gradient(135deg, var(--fc-primary-2), var(--fc-primary-3));border-radius:9px;place-items:center;width:38px;height:38px;font-size:10px;font-weight:700;line-height:1;display:inline-grid}.composer-file-meta{gap:2px;min-width:0;display:grid}.composer-file-meta strong,.composer-file-meta span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.composer-file-meta strong{color:var(--fc-text);font-size:12px;font-weight:500}.composer-file-meta span{color:var(--fc-muted);font-size:10px}.composer-file-preview button{width:32px;height:32px;color:var(--fc-primary);cursor:pointer;background:0 0;border:0;border-radius:10px;place-items:center;font-size:16px;font-weight:500;display:inline-grid}.composer-file-preview button:hover{background:#6b5dd31a}html[data-theme=dark] .composer-file-preview button:hover{background:#ffffff0f}.composer-row{background:#fff;border:1px solid #6b5dd326;border-radius:22px;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:8px;padding:4px 4px 4px 8px;display:grid}.file-input{display:none}.attach-button{width:34px;height:34px;color:var(--fc-primary);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:inline-grid;position:relative}.attach-button:hover:not(:disabled){background:#6b5dd31a}.composer-icon{display:block;position:relative}.paperclip-icon{width:20px;height:20px}.paperclip-icon:before{content:"";border:2px solid;border-top:0;border-radius:0 0 8px 8px;width:8px;height:15px;position:absolute;top:2px;left:5px;transform:rotate(35deg)}.paperclip-icon:after{content:"";border:2px solid;border-top:0;border-radius:0 0 6px 6px;width:4px;height:10px;position:absolute;top:4px;left:8px;transform:rotate(35deg)}.send-icon{width:18px;height:18px}.send-icon:before{clip-path:polygon(0 0,100% 50%,0 100%,22% 56%);content:"";background:#fff;position:absolute;inset:2px 1px 2px 2px}.send-icon:after{background:var(--fc-primary-2);content:"";border-radius:999px;width:8px;height:2px;position:absolute;top:8px;left:5px;transform:rotate(-18deg)}.composer textarea{resize:none;width:100%;min-height:34px;max-height:120px;color:var(--fc-text);background:0 0;border:0;border-radius:16px;outline:none;padding:8px 6px;font-size:13px;line-height:1.35}.composer textarea::placeholder{color:var(--fc-soft)}.send-button{color:#fff;background:linear-gradient(135deg, var(--fc-primary-2), var(--fc-primary-3));border-radius:50%;min-width:34px;min-height:34px;padding:0 13px;font-size:0}.send-button:hover:not(:disabled){opacity:.9}.image-modal{z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#26215c85;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.image-modal-panel{background:#ffffffdb;border:1px solid #ffffff9e;border-radius:18px;grid-template-rows:auto minmax(0,1fr);width:min(980px,100%);max-height:min(760px,92vh);display:grid;overflow:hidden;box-shadow:0 24px 72px #26215c47}html[data-theme=dark] .image-modal-panel{background:#1f1733f0;border-color:#ffffff14}.image-modal-toolbar{border-bottom:.5px solid var(--fc-line);justify-content:space-between;align-items:center;gap:12px;padding:10px 12px 10px 16px;display:flex}.image-modal-toolbar strong{min-width:0;color:var(--fc-text);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:500;overflow:hidden}.image-modal-toolbar div{gap:4px;display:flex}.image-modal-toolbar button{width:34px;height:34px;color:var(--fc-primary);cursor:pointer;background:0 0;border:0;border-radius:10px;font-size:18px}.image-modal-toolbar button:hover{background:#6b5dd31a}.image-modal-stage{place-items:center;min-height:320px;padding:24px;display:grid;overflow:auto}.image-modal-stage img{object-fit:contain;max-width:100%;max-height:72vh;transition:transform .18s}.state-line{color:var(--fc-muted);gap:6px;padding:18px 12px;font-size:12px;line-height:1.45;display:grid}.error-line{color:var(--fc-danger)}.notice,.result{font-size:16px}.field span:first-child,.history-loader,.message-date-label,.attachment-error,.attachment-loading,.composer-reply strong,.composer-reply span,.composer-edit strong,.composer-edit span:not(.action-icon),.composer-file-meta span{font-size:14px}.official-link,.search-box input,.message-context-menu button,.file-details strong,.composer-file-meta strong,.state-line{font-size:16px}.field input,.conversation-header h2,.conversation-empty p,.message-bubble,.composer textarea{font-size:17px}.chat-topline strong{font-size:15px;font-weight:600}.chat-topline time,.chat-subline{font-size:14px}.submit-button{font-size:18px}.conversation-empty h3,.sidebar-header h1{font-size:20px}.message-bubble footer,.file-details span{font-size:14px}@media (width<=860px){body{overflow:auto}.messenger-page{grid-template-columns:1fr;height:auto;min-height:100vh;overflow:visible}.chat-sidebar{border-right:0;border-bottom:.5px solid var(--fc-line);min-height:42vh}.conversation-panel{min-height:58vh}}@media (width<=560px){.auth-page{padding:14px}.auth-shell{border-radius:22px}.auth-form{padding:14px 22px 24px}.messenger-page{grid-template-columns:minmax(0,1fr)}.message-bubble{max-width:86%}.composer-row{grid-template-columns:34px minmax(0,1fr) 34px}.send-button{width:34px;padding:0}}