:root{color-scheme:light;--bg:#fff;--soft:#f3f6fc;--text:#213653;--muted:#5e6f88;--line:#dce4f1;--brand:#2563eb;--tint:#e8efff;--own:#e3edff;--danger:#aa2c3d;--shadow:#12367a12;font:14px/1.5 "Segoe UI",Arial,sans-serif;color:var(--text);background:var(--soft)}
:root[data-theme=dark]{color-scheme:dark;--bg:#101d33;--soft:#192941;--text:#e5edfc;--muted:#a9b9d3;--line:#314564;--brand:#5b95ff;--tint:#233d67;--own:#213c64;--danger:#ff9ea9;--shadow:#00000030}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none;text-align:left;touch-action:manipulation}button:disabled{opacity:.5;cursor:default}input,textarea,select{border:1px solid var(--line);border-radius:9px;padding:10px;background:var(--bg);min-width:0}input:focus,textarea:focus,button:focus-visible,select:focus{outline:2px solid var(--brand);outline-offset:2px}input::placeholder,textarea::placeholder{color:var(--muted)}[hidden]{display:none!important}a{color:var(--brand);overflow-wrap:anywhere}h1,h2,h3,p{margin:0}h1{font-size:24px;font-weight:600}h2{font-size:18px;font-weight:600}h3{font-size:15px;font-weight:600}.muted,small{color:var(--muted)}.loading{padding:20vh 20px;text-align:center;font-size:24px}.primary{background:var(--brand);color:white;border-radius:9px;padding:10px 14px;text-align:center}.secondary{border:1px solid var(--line);border-radius:8px;padding:8px 11px}.danger{color:var(--danger)}.link{color:var(--brand);padding:6px 0}.icon-button{width:38px;height:38px;border-radius:9px;display:grid;place-items:center;flex-shrink:0}.icon-button:hover,.secondary:hover{background:var(--tint)}.icon{width:19px;height:19px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.row{display:flex;align-items:center;gap:10px}.stack{display:grid;gap:14px}.grow{flex:1;min-width:0}.avatar{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--tint);color:var(--brand);font-weight:600;flex-shrink:0}.empty{padding:36px 18px;color:var(--muted);text-align:center}.card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:22px}.auth{max-width:450px;margin:8vh auto;padding:18px}.auth .brand-mark{margin-bottom:20px}.auth h1{margin-bottom:7px}.auth p{margin-bottom:18px}.field{display:grid;gap:5px}.field span{font-size:12px;color:var(--muted)}.error{color:var(--danger);font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}.brand-mark{width:44px;height:44px;border-radius:13px;background:var(--brand);color:white;display:grid;place-items:center;font-size:21px;font-weight:700}.app{height:100dvh;display:flex;flex-direction:column;background:var(--bg)}.top{height:70px;flex-shrink:0;display:flex;gap:11px;align-items:center;padding:12px 22px;border-bottom:1px solid var(--line)}.top .brand-mark{width:36px;height:36px;font-size:18px}.brand-title{font-size:18px;font-weight:600}.top-profile{margin-left:auto}.connection{font-size:12px;color:var(--muted)}.layout{display:grid;grid-template-columns:280px minmax(0,1fr);flex:1;min-height:0}.sidebar{padding:18px 10px 12px;background:var(--soft);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0;min-height:0}.sidebar-heading{padding:0 8px 13px}.sidebar input{width:100%;margin-bottom:10px}.chat-list{overflow:auto;flex:1}.chat-item{width:100%;display:flex;gap:10px;align-items:center;padding:12px 8px;border-radius:11px}.chat-item:hover,.chat-item.selected{background:var(--tint)}.chat-copy{flex:1;min-width:0}.chat-name{font-weight:600;font-size:13px}.chat-snippet{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;margin-top:2px}.badge{font-size:11px;background:var(--brand);color:white;border-radius:7px;padding:1px 6px}.sidebar-bottom{border-top:1px solid var(--line);padding:10px 4px 0;display:grid;gap:5px}.nav-button{display:flex;gap:10px;align-items:center;padding:9px;border-radius:9px;width:100%}.nav-button.selected{background:var(--tint);color:var(--brand)}.main{display:flex;flex-direction:column;min-width:0;min-height:0}.main-header{padding:15px 22px;border-bottom:1px solid var(--line);min-height:73px}.main-title{font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main-subtitle{font-size:12px;color:var(--muted)}.main-content{overflow:auto;flex:1;min-height:0}.mobile-back{display:none}.page{max-width:880px;padding:24px;width:100%;margin:0 auto}.page h2{margin-bottom:14px}.page p{margin:8px 0}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0 18px}.tab{border-radius:8px;padding:8px 10px;color:var(--muted)}.tab[aria-pressed=true]{background:var(--tint);color:var(--brand)}.messages{padding:18px 24px 10px}.message{display:flex;gap:10px;margin-bottom:17px;scroll-margin:20px}.message.own{justify-content:flex-end}.message-content{min-width:0;max-width:85%}.message.own .avatar{display:none}.message-meta{font-size:12px;margin:0 0 4px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}.message-meta strong{font-weight:600}.bubble{padding:10px 13px;background:var(--soft);border-radius:0 13px 13px 13px;white-space:pre-wrap;overflow-wrap:anywhere;min-height:35px}.own .bubble{background:var(--own);border-radius:13px 0 13px 13px}.deleted{font-style:italic;color:var(--muted)}.message-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:4px}.message-actions button{font-size:11px;color:var(--muted);padding:5px 0;min-height:28px}.message-actions button[aria-pressed=true]{color:var(--brand)}.picker{display:flex;gap:5px;flex-wrap:wrap;border:1px solid var(--line);border-radius:10px;padding:8px;background:var(--bg);margin-top:5px}.picker button{border-radius:7px;padding:7px;font-size:12px}.picker button[aria-pressed=true]{background:var(--tint)}.reactions{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}.reaction{font-size:12px;border:1px solid var(--line);padding:3px 8px;border-radius:13px;min-height:28px}.reaction[aria-pressed=true]{border-color:var(--brand);color:var(--brand);background:var(--tint)}.attachment{display:flex;gap:10px;align-items:center;border:1px solid var(--line);padding:9px;border-radius:8px;margin-top:9px;background:var(--bg);white-space:normal}.attachment-copy{min-width:0}.attachment a{font-size:13px;display:block}.reply-preview{border-left:3px solid var(--brand);padding:4px 9px;color:var(--muted);font-size:12px;margin-bottom:8px;white-space:pre-wrap;overflow-wrap:anywhere}.composer{padding:12px 24px 18px;flex-shrink:0;border-top:1px solid var(--line)}.compose-box{border:1px solid var(--line);border-radius:12px;padding:10px 11px;background:var(--bg)}.compose-box textarea{width:100%;min-height:52px;max-height:160px;resize:vertical;border:0;background:none;padding:0;display:block}.compose-tools{display:flex;gap:5px;align-items:center;margin-top:7px}.send-button{margin-left:auto;padding:8px 13px}.compose-status{font-size:11px;color:var(--muted);padding-top:4px;min-height:20px}.compose-hint{font-size:11px;color:var(--muted)}.compose-context{display:flex;gap:8px;margin-bottom:8px;font-size:12px;color:var(--brand);overflow-wrap:anywhere}.compose-files{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}.file-chip{background:var(--soft);border-radius:6px;padding:4px 7px;font-size:11px;display:flex;align-items:center;gap:6px;max-width:100%;overflow-wrap:anywhere}.result{border-top:1px solid var(--line);padding:16px 0}.result p{white-space:pre-wrap;overflow-wrap:anywhere}.result-actions{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:8px}.member{border-top:1px solid var(--line);padding:12px 0}.member-controls{display:flex;gap:8px;flex-wrap:wrap}.check-row{display:flex;gap:8px;align-items:flex-start}.check-row input{margin-top:4px}.check-row label{font-size:13px}.token{border-top:1px solid var(--line);padding:12px 0}.secret{font:12px/1.6 Consolas,monospace;overflow-wrap:anywhere;white-space:pre-wrap;padding:12px;background:var(--soft);border-radius:8px;user-select:all}.notice{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:min(600px,calc(100% - 24px));background:var(--text);color:var(--bg);border-radius:10px;box-shadow:0 5px 24px var(--shadow);padding:12px 17px;z-index:10;overflow-wrap:anywhere}.update{position:fixed;top:10px;left:50%;transform:translateX(-50%);display:flex;gap:10px;align-items:center;background:var(--bg);border:1px solid var(--brand);border-radius:12px;box-shadow:0 5px 24px var(--shadow);padding:10px 14px;z-index:20;max-width:calc(100% - 20px);font-size:13px}.update button{color:var(--brand);font-weight:600}.highlight .bubble{outline:2px solid var(--brand)}.call-panel{border-bottom:1px solid var(--line);background:var(--soft);padding:12px 20px}.call-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.call-status{font-size:12px;color:var(--muted);flex:1}.call-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:9px;margin:9px 0;max-height:35vh;overflow:auto}.call-tile{position:relative;background:#101d33;border-radius:10px;overflow:hidden;min-height:90px}.call-tile video{width:100%;height:100%;max-height:27vh;object-fit:contain;display:block}.call-name{position:absolute;left:7px;bottom:5px;background:#101d33cc;color:white;border-radius:5px;padding:2px 6px;font-size:11px}.incoming{padding:10px 20px;background:var(--tint);display:flex;align-items:center;gap:10px;flex-wrap:wrap}.incoming p{flex:1;min-width:120px;font-size:13px}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#101d33;--soft:#192941;--text:#e5edfc;--muted:#a9b9d3;--line:#314564;--brand:#5b95ff;--tint:#233d67;--own:#213c64;--danger:#ff9ea9;--shadow:#00000030}}
.avatar{position:relative;overflow:hidden}.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit}.profile-avatar-preview .avatar{width:80px;height:80px;font-size:25px;border-radius:22px}.avatar-settings{margin-bottom:20px}.avatar-settings input[type=file]{width:100%;max-width:100%;white-space:normal}.notification-banner{padding:12px 22px;background:var(--tint);border-bottom:1px solid var(--line);flex-wrap:wrap;font-size:13px}.notification-banner p{min-width:180px}.notification-banner .primary{white-space:nowrap}
.draft-image{width:40px;height:40px;object-fit:cover;border-radius:5px;flex-shrink:0}.compose-paste{font-size:12px;padding:7px 9px;white-space:nowrap}.file-chip>span{min-width:0;overflow-wrap:anywhere}
.search-row{display:flex;align-items:center;gap:10px;min-width:0}.search-bar{display:flex;align-items:center;gap:8px;flex:1;min-width:0;min-height:52px;padding:3px 6px 3px 13px;border:1px solid var(--line);border-radius:13px;background:var(--bg)}.search-bar:focus-within{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}.search-bar>.icon{flex-shrink:0;color:var(--muted);width:18px;height:18px}.search-query{flex:1;width:100%;min-width:0;border:0;border-radius:0;background:none;padding:10px 0}.search-query:focus{outline:0}.search-query::-webkit-search-cancel-button{-webkit-appearance:none}.search-mode-controls{display:flex;align-items:center;gap:2px;flex-shrink:0}.search-mode-button{position:relative;display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;text-align:center;font-size:11px;font-weight:600;color:var(--muted);border-radius:50%;isolation:isolate}.search-mode-button::before{content:'';position:absolute;inset:6px;border:1px solid var(--line);border-radius:50%;z-index:-1;background:var(--bg)}.search-mode-button:hover::before{background:var(--tint);border-color:var(--brand)}.search-mode-button[aria-pressed=true]{color:var(--brand)}.search-mode-button[aria-pressed=true]::before{background:var(--tint);border-color:var(--brand);border-width:2px}.search-exact{padding:0}.search-exact>.icon{width:18px;height:18px;fill:currentColor;stroke:none;pointer-events:none}.search-submit{min-height:52px;flex-shrink:0}.search-filters{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.search-filters select{max-width:100%}.search-form .search-mode-hint{margin:0;font-size:12px}.search-results{margin-top:14px}.search-results:empty{margin-top:0}@media(max-width:440px){.search-row{flex-wrap:wrap;gap:8px}.search-bar{flex-basis:100%;padding-left:10px;gap:5px}.search-submit{min-height:42px;padding:8px 16px}.search-filters{gap:8px}.search-filters select{width:100%}.search-mode-button{width:44px;height:44px}.search-query{font-size:14px}}
@media(max-width:680px){.top{height:58px;padding:10px 13px}.top .brand-mark{width:31px;height:31px;font-size:16px}.brand-title{font-size:16px}.top-profile .profile-name{display:none}.layout{display:block;position:relative}.sidebar,.main{height:100%}.sidebar{border:0;padding:16px 10px 10px}.main{display:none}.app[data-mobile=main] .sidebar{display:none}.app[data-mobile=main] .main{display:flex}.mobile-back{display:grid}.main-header{padding:11px 12px;min-height:64px;gap:7px}.main-header .avatar{display:none}.main-title{font-size:14px}.main-header>.icon-button{width:33px;height:33px}.messages{padding:16px 14px 6px}.message>.avatar{display:none}.message-content{max-width:94%}.composer{padding:10px 12px max(12px,env(safe-area-inset-bottom))}.compose-hint{display:none}.page{padding:19px 15px}.auth{margin-top:5vh}.call-panel{padding:10px 12px}.call-grid{grid-template-columns:repeat(auto-fit,minmax(135px,1fr))}.update{font-size:12px;padding:8px;gap:8px}.update span{max-width:115px}.main-subtitle{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
.read-status{display:inline-flex;align-items:center;gap:4px;color:var(--muted);font-size:11px;white-space:nowrap}.read-status>.icon{width:16px;height:16px;flex-shrink:0}.read-status.is-read{color:var(--brand)}
.device-password-actions{flex-wrap:wrap;gap:8px}
.message-editor{position:relative;min-height:52px;max-height:min(40dvh,320px);overflow:auto;outline:none;white-space:pre-wrap;overflow-wrap:anywhere;padding:0}.message-editor>div{min-height:1.5em}.message-editor.is-empty:before{content:attr(data-placeholder);position:absolute;top:0;left:0;color:var(--muted);pointer-events:none}.compose-box:focus-within{border-color:var(--brand)}.editor-image{position:relative;margin:9px 0;max-width:100%;width:fit-content;white-space:normal;cursor:grab}.editor-image img{display:block;max-width:100%;max-height:240px;width:auto;object-fit:contain;border-radius:8px}.editor-image button{position:absolute;right:4px;top:4px;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:var(--bg);color:var(--text);border:1px solid var(--line);font-size:23px;line-height:1;cursor:pointer}.editor-image:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.message-image{margin:8px 0;max-width:min(440px,100%);white-space:normal}.message-image img{display:block;max-width:100%;max-height:480px;width:auto;object-fit:contain;border-radius:8px}.message-paragraph{white-space:pre-wrap;overflow-wrap:anywhere}.message-paragraph+.message-paragraph{margin-top:6px}.queued-file{display:block;margin-top:4px}.message-editor[contenteditable=false]{opacity:.75}

.attachment-preview{padding:0;color:var(--brand);text-decoration:underline;overflow-wrap:anywhere;max-width:100%}
.file-preview-content{display:flex;flex-direction:column;overflow:hidden}.file-preview-host{display:flex;flex-direction:column;flex:1;min-height:0;min-width:0;width:100%}.file-preview-viewer{max-width:100%;min-width:0;min-height:0}.file-preview-status{padding:10px 16px;flex-shrink:0;overflow-wrap:anywhere}
.file-preview-controls{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);flex-shrink:0}.file-preview-page-controls,.file-preview-zoom-controls{display:flex;align-items:center;gap:7px;min-width:0}.file-preview-page-number{width:4.6em;padding:7px}.file-preview-page-count,.file-preview-zoom{font-size:12px;white-space:nowrap}.file-preview-controls button{min-height:38px;min-width:36px;text-align:center}
.file-preview-pages{flex:1;min-height:0;max-width:100%;overflow:auto;padding:12px;background:var(--soft)}.file-preview-canvas{display:block;margin:0 auto;max-width:none;background:white;box-shadow:0 2px 12px var(--shadow)}.file-preview-text{margin:0;padding:16px;flex:1;min-height:0;max-width:100%;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.65 Consolas,monospace;color:var(--text)}
.file-preview-download{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex-shrink:0;text-decoration:none;white-space:nowrap}.file-preview-download-label{font-size:12px}.file-preview-header>.icon-button{flex-shrink:0}
@media(max-width:520px){.file-preview-download{width:38px;height:38px;padding:8px}.file-preview-download-label{display:none}.file-preview-controls{gap:8px}.file-preview-status{padding:8px 12px}.file-preview-text{padding:12px}}

.image-preview-host,.image-preview-viewer{display:flex;flex-direction:column;flex:1;min-height:0;min-width:0;max-width:100%;width:100%;overflow:hidden}.image-preview-controls{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);flex-shrink:0}.image-preview-scale-controls,.image-preview-fit-controls{display:flex;align-items:center;gap:7px}.image-preview-controls button{min-height:38px;min-width:36px;text-align:center}.image-preview-zoom{font-size:12px;min-width:3em;white-space:nowrap;text-align:center}.image-preview-status{padding:10px 16px;flex-shrink:0;overflow-wrap:anywhere}.image-preview-viewport{position:relative;flex:1;min-height:120px;min-width:0;max-width:100%;overflow:auto;padding:12px;background:var(--soft);overscroll-behavior:contain}.image-preview-viewport:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}.image-preview-sheet{display:grid;place-items:center;min-width:100%;min-height:100%;width:max-content}.image-preview-image{display:block;max-width:none;max-height:none;object-fit:contain;border-radius:0;box-shadow:0 2px 12px var(--shadow)}.message-image img[role=button]{cursor:zoom-in}.message-image img[role=button]:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
@media(max-width:520px){.image-preview-controls{gap:8px}.image-preview-status{padding:8px 12px}}