:root{color-scheme:dark;--bg:#101419;--panel:#181e27;--surface:#242c37;--line:#2a3340;--text:#edf2f7;--muted:#8e9bac;--accent:#81c8ee;--green:#82d5b6;--out:#214438;--danger:#ff8b94;--safe:env(safe-area-inset-bottom,0px);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;background:var(--bg);color:var(--text);overflow:hidden}button,input,textarea,select{font:inherit}button{color:inherit;background:none;border:0;cursor:pointer;touch-action:manipulation}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input,textarea,select{min-width:0;color:var(--text);background:var(--surface);border:1px solid transparent;border-radius:14px;padding:13px 15px;outline:none}input:focus,textarea:focus{border-color:var(--accent)}textarea{resize:none;line-height:1.35}a{color:var(--accent);overflow-wrap:anywhere}svg.icon{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-button{display:inline-grid;place-items:center;min-width:44px;min-height:44px;border-radius:50%;color:var(--accent)}.icon-button:hover{background:#ffffff09}h1,h2,h3,p{margin:0}h1{font-size:30px;letter-spacing:-.8px}h2{font-size:23px;letter-spacing:-.4px}h3{font-size:17px}.muted{color:var(--muted);font-size:13px;line-height:1.5}.accent{color:var(--accent)}.danger{color:var(--danger)}.grow{flex:1;min-width:0}.row{display:flex;align-items:center;gap:12px}.stack{display:flex;flex-direction:column;gap:12px}.primary,.secondary,.danger-button{padding:14px 20px;border-radius:14px;font-weight:650;min-height:48px}.primary{background:var(--accent);color:#092238}.secondary{background:var(--surface);color:var(--accent)}.danger-button{background:#522831;color:#ffb4ba}.full{width:100%}.splash,.welcome{max-width:420px;margin:auto;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:30px 26px;text-align:center}.brand{width:84px;height:84px;border-radius:25px;background:linear-gradient(135deg,#8bd6fe,#4ca2df);display:grid;place-items:center;font-size:54px;font-weight:750;color:#0d2437}.welcome img{width:92px;height:92px;border-radius:26px}.welcome form{width:100%;margin-top:8px}.welcome input{width:100%}.welcome .muted{max-width:310px}.install-hint{padding:16px;border:1px solid var(--line);border-radius:16px;font-size:14px;line-height:1.6;text-align:left;color:#b5c4d4}.install-hint b{color:var(--text)}.shell{display:grid;grid-template-columns:340px 1fr;height:var(--app-height,100dvh);max-width:1440px;margin:auto;border-inline:1px solid var(--line)}.sidebar{border-right:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;min-height:0}.sidebar-top{padding:max(env(safe-area-inset-top),16px) 16px 10px}.top-row{display:flex;align-items:center;gap:5px}.top-row h1{font-size:27px;flex:1}.searchbox{position:relative;margin:12px 0 2px}.searchbox input{width:100%;padding:11px 13px 11px 39px;border-radius:12px;background:#101620}.searchbox>.icon{position:absolute;left:11px;top:10px;width:20px;color:var(--muted)}.chat-list{overflow:auto;flex:1;padding:8px}.chat-row{width:100%;display:flex;align-items:center;gap:12px;padding:13px 10px;text-align:left;border-radius:14px;min-height:80px}.chat-row:hover,.chat-row.active{background:#263344}.avatar{width:48px;height:48px;border-radius:50%;background:#345876;color:#dcefff;font-size:19px;font-weight:600;display:grid;place-items:center;flex-shrink:0}.avatar.saved{background:#31648d}.avatar.small{width:34px;height:34px;font-size:14px}.avatar.big{width:84px;height:84px;font-size:32px}.chat-name{display:flex;align-items:center;gap:6px;justify-content:space-between;margin-bottom:5px}.chat-name strong{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-preview{font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tiny{font-size:11px;color:var(--muted);white-space:nowrap}.badge{min-width:21px;height:21px;border-radius:11px;display:grid;place-items:center;padding:0 6px;background:var(--accent);color:#112838;font-size:12px;font-weight:700}.sidebar-bottom{padding:12px 18px calc(12px + var(--safe));border-top:1px solid var(--line);display:flex;align-items:center;gap:10px}.sidebar-bottom .icon-button{margin-left:auto}.detail{min-width:0;min-height:0;display:flex;flex-direction:column;position:relative;background:radial-gradient(ellipse at top right,#19252b55,transparent 65%),var(--bg)}.empty{display:flex;flex:1;align-items:center;justify-content:center;text-align:center;flex-direction:column;gap:12px;padding:32px;color:var(--muted)}.empty .icon{width:54px;height:54px;stroke-width:1.1;color:#7096b1;margin-bottom:8px}.empty h2{color:#cad8e3}.chat-header{background:#181e27f5;display:flex;align-items:center;gap:10px;min-height:74px;padding:max(env(safe-area-inset-top),12px) 14px 12px;border-bottom:1px solid #2a334080;z-index:2}.chat-header .header-title{flex:1;text-align:left;min-width:0;padding:0}.header-title h3{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.back-mobile{display:none}.messages{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:18px 20px 12px;scroll-behavior:auto}.message-row{display:flex;gap:8px;margin:0 0 9px;align-items:flex-end;position:relative}.message-row.outgoing{justify-content:flex-end}.message-row.selected{background:#81c8ee20;border-radius:15px}.bubble{max-width:min(82%,560px);min-width:84px;border-radius:17px 17px 17px 5px;background:var(--surface);padding:10px 12px 6px;position:relative;overflow-wrap:anywhere;text-align:left}.outgoing .bubble{background:var(--out);border-radius:17px 17px 5px 17px}.message-text{font-size:16px;line-height:1.4;white-space:pre-wrap;user-select:text}.message-text code{font-family:ui-monospace,monospace;background:#0003;padding:1px 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0}.recording{display:flex;align-items:center;gap:10px;min-height:52px}.record-dot{width:10px;height:10px;border-radius:50%;background:#ff777f;animation:pulse 1s infinite}.recording .muted{font-size:12px}.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px;margin:-5px -7px 7px;max-width:420px;min-width:220px}.media-grid.one{grid-template-columns:1fr}.media-tile{background:#14202a;border-radius:10px;overflow:hidden;aspect-ratio:1.15;position:relative;padding:0;color:#a4bacb;display:grid;place-items:center;min-width:0}.media-grid.one .media-tile{aspect-ratio:1.2;max-height:330px;min-width:230px}.media-tile img{width:100%;height:100%;object-fit:cover}.media-tile .play-overlay{position:absolute;background:#0b111ba8;border-radius:50%;padding:12px;display:grid;place-items:center}.file-row{display:flex;align-items:center;gap:10px;padding:4px 0 10px;text-align:left;max-width:300px}.file-name{font-size:14px;word-break:break-word}.file-symbol{width:40px;height:46px;border-radius:10px;background:#80c8ee26;display:grid;place-items:center;flex-shrink:0;color:var(--accent)}.progress-ring{width:44px;height:44px;border-radius:50%;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;background:conic-gradient(var(--accent) calc(var(--progress,0)*1turn),#22374799 0);pointer-events:none}.progress-ring:after{content:'↓';display:grid;place-items:center;background:#111a25;position:absolute;inset:3px;border-radius:50%;color:white}.progress-ring.upload:after{content:'↑'}.progress-ring.preparing:after{content:'…'}.voice-player{display:flex;align-items:center;gap:8px;min-width:225px;padding-bottom:6px}.wave{height:28px;display:flex;align-items:center;gap:2px;flex:1}.wave i{width:3px;border-radius:2px;background:#7fafba;min-height:3px}.voice-player audio{height:34px;width:100%;max-width:285px}.notice-bar{padding:9px 14px;background:#243b4b;font-size:13px;text-align:center}.notice-bar button{color:var(--accent);text-decoration:underline}.sheet-backdrop{position:fixed;inset:0;background:#0009;z-index:20;display:flex;align-items:flex-end;justify-content:center;backdrop-filter:blur(4px);padding:16px}.sheet{background:var(--panel);border:1px solid var(--line);border-radius:24px;max-width:480px;width:100%;max-height:min(86dvh,850px);overflow:auto;padding:18px 20px calc(18px + var(--safe));box-shadow:0 20px 80px #0005}.sheet h2{font-size:22px;margin:8px 0 18px}.sheet-title{display:flex;align-items:center;justify-content:space-between}.sheet-title h2{margin:0}.sheet-content{padding-top:18px}.sheet-action{display:flex;align-items:center;gap:13px;text-align:left;width:100%;min-height:50px;padding:10px 6px;border-radius:12px}.sheet-action:hover{background:#fff05}.sheet-action .icon{color:var(--accent)}.emoji-row{display:flex;justify-content:space-between;gap:2px;margin:2px 0 12px}.emoji-row button{font-size:25px;min-width:40px;min-height:44px}.field{display:flex;flex-direction:column;gap:7px;margin:14px 0}.field>span{font-size:13px;color:var(--muted)}.check-row{display:flex;align-items:center;gap:10px;padding:12px 0}.check-row input{width:20px;height:20px;accent-color:var(--accent)}.settings-page{overflow:auto;padding:24px;flex:1}.settings-card{border-radius:17px;background:var(--panel);padding:8px 12px;margin:20px 0}.settings-card .sheet-action+.sheet-action{border-top:1px solid var(--line)}.settings-profile{display:flex;align-items:center;flex-direction:column;gap:12px;margin:10px 0 30px;text-align:center}.profile-id{font-family:ui-monospace,monospace;letter-spacing:2px;color:var(--accent);font-size:14px}.settings-label{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.8px;margin:22px 5px -10px}.gallery-backdrop{z-index:25;align-items:center;padding:10px}.gallery{width:min(900px,100%);height:83dvh;background:#141b24;border:1px solid var(--line);border-radius:22px;display:flex;flex-direction:column;overflow:hidden}.gallery-header{display:flex;gap:10px;align-items:center;padding:12px}.gallery-stage{min-height:0;flex:1;display:flex;justify-content:center;align-items:center;overflow:auto;touch-action:pan-x pan-y pinch-zoom;background:#090e14}.gallery-stage img{max-width:100%;max-height:100%;object-fit:contain}.gallery-stage img.zoomed{max-width:none;max-height:none;width:180%}.gallery-stage video{width:100%;height:100%;object-fit:contain}.filmstrip{display:flex;gap:6px;overflow:auto;padding:12px;min-height:75px}.filmstrip button{width:50px;height:50px;background:var(--surface);border-radius:7px;padding:0;flex-shrink:0;overflow:hidden;border:2px solid transparent}.filmstrip button.active{border-color:var(--accent)}.filmstrip img{width:100%;height:100%;object-fit:cover}.gallery-footer{display:flex;justify-content:space-between;align-items:center;padding:0 12px 10px}.call-overlay{position:fixed;inset:0;background:radial-gradient(ellipse at top,#274551,#121b28 70%);z-index:50;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:50px 25px calc(50px + var(--safe));gap:20px}.call-overlay .avatar{width:110px;height:110px;font-size:43px;margin:30px 0 10px}.call-actions{display:flex;gap:28px;margin-top:60px}.call-action{display:flex;flex-direction:column;gap:10px;align-items:center;font-size:12px;max-width:95px}.call-action .icon-button{width:65px;height:65px;background:#355460;color:white}.call-action .answer{background:#43a979}.call-action .hangup{background:#d85466}.lock-screen{position:fixed;inset:0;z-index:45;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at top,#223244,#101721);padding:30px}.lock-box{width:270px;text-align:center;display:flex;flex-direction:column;gap:23px;align-items:center}.lock-box>svg{width:44px;height:44px;color:var(--accent)}.pin-dots{font-size:30px;letter-spacing:10px;min-height:40px}.pin-pad{display:grid;grid-template-columns:repeat(3,70px);gap:12px 21px}.pin-pad button{height:66px;border-radius:50%;background:#ffffff0b;font-size:25px;font-weight:400}.pin-pad .icon{margin:auto}.pin-message{font-size:13px;min-height:38px;color:var(--muted)}#toast{position:fixed;bottom:calc(25px + var(--safe));left:50%;transform:translateX(-50%) translateY(130px);transition:transform .2s;max-width:min(92%,450px);width:max-content;background:#324455f2;border:1px solid #4a6278;border-radius:15px;color:white;padding:13px 18px;z-index:100;font-size:14px;text-align:center;pointer-events:none}#toast.show{transform:translateX(-50%) translateY(0)}[hidden]{display:none!important}body.locked #app,body.locked #overlays{visibility:hidden;pointer-events:none}.divider{height:1px;background:var(--line);margin:14px 0}.preview-list{display:flex;gap:9px;overflow:auto;padding:10px 0}.preview-item{width:84px;flex-shrink:0;font-size:10px;color:var(--muted);overflow:hidden}.preview-item img{height:76px;width:84px;object-fit:cover;border-radius:10px}.preview-item .file-symbol{width:84px;height:76px}.member-row{display:flex;gap:10px;align-items:center;padding:10px 0}.member-row input{width:20px;height:20px;accent-color:var(--accent)}.topic-description{padding:16px;color:var(--muted);font-size:13px;line-height:1.5}.pending-request{padding:20px;background:var(--panel);border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;text-align:center}.chat-search{padding:9px 16px;background:var(--panel)}.chat-search input{width:100%}.selection-tools{display:flex;align-items:center;gap:4px;background:#263747;padding:6px}.selection-tools strong{flex:1;font-size:14px}@keyframes pulse{50%{opacity:.3}}@media(min-width:761px){.sheet-backdrop{align-items:center}.sheet{padding-bottom:24px}.chat-header{padding-top:14px}.sidebar-top{padding-top:20px}}@media(max-width:760px){.shell{display:block;border:0}.sidebar,.detail{height:100%}.shell.show-chat .sidebar{display:none}.shell:not(.show-chat) .detail{display:none}.back-mobile{display:inline-grid}.chat-header{gap:5px;padding-inline:5px;min-height:68px}.chat-header .avatar{width:37px;height:37px;font-size:15px}.chat-header .header-title{margin-left:4px}.chat-header .muted{font-size:11px}.messages{padding:10px 10px 8px}.bubble{max-width:86%;padding:9px 11px 5px}.composer-wrap{padding-inline:7px}.sheet-backdrop{padding:8px}.sheet{border-radius:23px 23px 15px 15px}.sidebar-bottom{padding-top:10px}.settings-page{padding:18px}.gallery{height:83dvh}.format-bar{margin-left:43px}.message-text{font-size:16px}.sidebar-top h1{font-size:30px}.voice-hint{font-size:10px}.chat-row{padding-block:14px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}