@font-face{font-family:Montin;src:local('Inter'),local('SF Pro Display'),local('Segoe UI')}*{box-sizing:border-box} :root{color-scheme:dark;--bg:#101719;--panel:#151e21;--raised:#1e2a2d;--line:#ffffff0c;--text:#edf4f1;--muted:#91a5a6;--accent:#b0eed6;--accent-ink:#123d30;--bubble:#243236;--out:#b7ead7;--out-ink:#12362c;--focus:#82dab7;--danger:#f4a29a} :root[data-theme=light]{color-scheme:light;--bg:#f4f7f5;--panel:#fff;--raised:#edf3ef;--line:#14352a13;--text:#173b30;--muted:#6a8076;--accent:#23795b;--accent-ink:#fff;--bubble:#fff;--out:#d6efdf;--out-ink:#183d2e;--focus:#23795b;--danger:#a73831}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 Montin,Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;color:inherit;background:transparent}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible{outline:2px solid var(--focus);outline-offset:4px}input,textarea,select{min-width:0;color:var(--text);background:var(--raised);border:1px solid transparent;border-radius:13px;padding:15px 16px;outline:0}input:focus,textarea:focus,select:focus{border-color:var(--focus)}input::placeholder,textarea::placeholder{color:var(--muted)}[hidden]{display:none!important}svg{width:23px;height:23px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}label{display:flex;flex-direction:column;gap:9px;font-size:14px;font-weight:600}button{transition:background .15s ease,opacity .15s ease}h1,h2,p{margin-top:0}h2{font-size:29px;letter-spacing:-1px;margin-bottom:12px}.muted{color:var(--muted)}.primary{border-radius:14px;background:var(--accent);color:var(--accent-ink);min-height:54px;padding:14px 24px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:14px}.primary:hover{filter:brightness(1.06)}.full{width:100%}.text-button{padding:18px;color:var(--accent);font-weight:600}.error{color:var(--danger);font-size:14px;margin:12px 0}.error:empty{display:none}.alpha-note{font-size:12px;line-height:1.65;color:var(--muted);margin:25px 0 0}.icon-button{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--muted)}.icon-button:hover{background:var(--raised);color:var(--text)}.auth-screen{display:grid;grid-template-columns:1.1fr 1fr;min-height:100dvh}.intro{background:#18372c;position:relative;overflow:hidden;padding:50px 64px;display:flex;flex-direction:column;justify-content:space-between;color:#f0f6ef}.intro:after{content:'';position:absolute;width:430px;height:430px;border:1px solid #b0eed622;border-radius:50%;right:-255px;top:25%;box-shadow:0 0 0 90px #b0eed608,0 0 0 180px #b0eed604;pointer-events:none}.brand{font-size:19px;font-weight:750;letter-spacing:3px;display:flex;align-items:center;gap:14px}.brand-mark{display:inline-flex;width:43px;height:43px;align-items:center;justify-content:center;border-radius:15px;background:#b0eed6;color:#17372b;font-size:35px;letter-spacing:-4px;padding-right:4px;font-weight:850}.intro-copy{padding:70px 0;z-index:1}.eyebrow{font-size:11px;letter-spacing:2px;color:#a5c7b6;font-weight:700}.intro h1{font-size:clamp(40px,4.2vw,64px);line-height:1.11;letter-spacing:-2.5px;margin:30px 0}.intro em{font-style:normal;color:#b0eed6}.intro-copy p{font-size:17px;color:#afc5ba;line-height:1.8}.intro-note{font-size:12px;color:#a5bdaf}.auth-main{display:flex;align-items:center;justify-content:center;padding:48px}.auth-card{max-width:365px;width:100%}.mini-brand{display:none}.auth-card form{display:grid;gap:18px;margin-top:32px}.auth-card h2{font-size:33px}.app{height:100dvh;display:grid;grid-template-columns:360px minmax(0,1fr);overflow:hidden;max-width:1800px;margin:auto;border-inline:1px solid var(--line)}.sidebar{display:flex;flex-direction:column;background:var(--panel);min-height:0;border-right:1px solid var(--line)}.side-head{display:flex;align-items:center;justify-content:space-between;padding:30px 25px 22px}.wordmark{font-size:34px;font-weight:800;color:var(--text);letter-spacing:-1.8px;text-decoration:none;line-height:1}.wordmark span{color:var(--accent);margin-left:2px}.side-head .icon-button{background:var(--raised);color:var(--accent)}.search{display:flex;flex-direction:row;align-items:center;background:var(--raised);border-radius:14px;margin:0 22px;gap:9px;padding-left:14px;color:var(--muted)}.search input{background:transparent;border:0;flex:1;padding:13px 12px 13px 0;width:100%;font-size:14px}.search:focus-within{outline:1px solid var(--focus)}.search svg{width:19px;height:19px}.list-heading{display:flex;justify-content:space-between;padding:27px 25px 13px;font-size:13px;font-weight:650;color:var(--muted);letter-spacing:.2px}.list-heading span:last-child{opacity:.65}.chat-list{flex:1;overflow:auto;overscroll-behavior:contain;padding:0 10px}.chat-item,.user-item{width:100%;display:flex;align-items:center;gap:14px;padding:17px 14px;border-radius:15px;text-align:left;min-width:0}.chat-item:hover,.user-item:hover{background:var(--raised)}.chat-item.active{background:var(--raised)}.avatar{position:relative;flex-shrink:0;display:inline-flex;width:51px;height:51px;align-items:center;justify-content:center;border-radius:18px;font-size:21px;font-weight:700;color:#15392e;letter-spacing:-.7px;background:#b9dbc6}.avatar.c1{background:#d5c7e7;color:#423256}.avatar.c2{background:#f1c9ad;color:#61442e}.avatar.c3{background:#c2d6ed;color:#28435c}.avatar.c4{background:#efc8cf;color:#653b49}.avatar.c5{background:#dcdda7;color:#434922}.avatar.large{width:80px;height:80px;font-size:33px;border-radius:27px}.avatar-dot{position:absolute;width:11px;height:11px;border-radius:50%;background:#6ada9d;border:2px solid var(--panel);right:0;bottom:0}.chat-copy{min-width:0;flex:1}.chat-top,.chat-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.chat-top strong{font-size:18px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-top time{font-size:11px;color:var(--muted);flex-shrink:0}.chat-bottom{margin-top:4px}.chat-preview{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}.unread{min-width:20px;height:20px;border-radius:8px;background:var(--accent);color:var(--accent-ink);font-size:11px;font-weight:750;display:flex;justify-content:center;align-items:center;padding:0 6px}.list-empty{text-align:center;padding:40px 20px;color:var(--muted);font-size:14px;line-height:1.8}.list-empty strong{display:block;font-size:17px;color:var(--text);margin-bottom:8px}.account{border-top:1px solid var(--line);padding:18px 23px 16px}.account-button{display:flex;width:100%;align-items:center;gap:13px;text-align:left}.account .avatar{width:43px;height:43px;border-radius:15px;font-size:18px}.account-name{display:grid;min-width:0;flex:1}.account-name strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:16px}.account-name small{font-size:11px;color:var(--muted);margin-top:2px}.account-button>span:last-child{color:var(--muted)}.account-button svg{width:20px;height:20px}.connection{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:11px;margin-top:18px}.status-dot{width:6px;height:6px;background:#9ea8a8;border-radius:50%;display:inline-block}.status-dot.connected{background:#6dd9a0}.alpha-tag{margin-left:auto;font-size:9px;letter-spacing:1px;border:1px solid var(--line);border-radius:4px;padding:2px 5px}.welcome{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:36px}.welcome-symbol{font-weight:800;font-size:90px;line-height:1.1;letter-spacing:-10px;width:140px;height:140px;padding-right:12px;display:grid;place-items:center;background:var(--raised);color:var(--accent);border-radius:47px;margin-bottom:35px;transform:rotate(-7deg)}.welcome h1{font-size:35px;line-height:1.2;letter-spacing:-1.2px;margin-bottom:20px}.welcome p{font-size:16px;color:var(--muted);line-height:1.7}.welcome .primary{margin:10px 0 30px}.welcome small{font-size:12px;color:var(--muted)}.conversation{display:flex;flex-direction:column;position:relative;min-height:0;min-width:0}.chat-head{height:94px;flex-shrink:0;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:18px 35px;background:var(--bg);z-index:1}.chat-head .avatar{width:46px;height:46px;border-radius:16px;font-size:19px}.peer-info{display:flex;flex-direction:column;flex:1;min-width:0}.peer-info strong{font-size:21px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.peer-info>span{font-size:12px;color:var(--muted);margin-top:2px;display:flex;align-items:center;gap:6px}.peer-info .online{color:#74c99f}.sync-banner{background:var(--raised);color:var(--muted);padding:9px 20px;text-align:center;font-size:12px}.messages{overflow:auto;flex:1;min-height:0;overscroll-behavior:contain;padding:25px max(28px,calc((100% - 780px)/2));scrollbar-width:thin;scrollbar-color:var(--raised) transparent}.day{text-align:center;color:var(--muted);font-size:11px;font-weight:600;margin:8px 0 24px;letter-spacing:.3px}.message-row{display:flex;align-items:flex-end;margin:7px 0}.message-row.own{justify-content:flex-end}.bubble{position:relative;max-width:82%;border-radius:19px 19px 19px 5px;background:var(--bubble);padding:11px 15px 9px;font-size:18px;line-height:1.45;overflow-wrap:anywhere;white-space:pre-wrap;min-width:74px}.own .bubble{background:var(--out);color:var(--out-ink);border-radius:19px 19px 5px 19px}.message-meta{font-size:10px;white-space:nowrap;margin-left:12px;display:inline-block;vertical-align:baseline;color:var(--muted);line-height:1}.own .message-meta{color:#446c5e}.checks{font-size:13px;letter-spacing:-3px;margin-left:5px;padding-right:2px}.checks.read{color:#186549;font-weight:800}.pending .bubble{opacity:.75}.send-error{display:block;color:#9b3d32;font-size:11px;margin-top:6px}.retry{font-size:11px;text-decoration:underline;color:#9b3d32;padding:0}.older{display:block;margin:0 auto 20px;padding:9px 14px;font-size:12px;border-radius:20px;background:var(--raised);color:var(--muted)}.conversation-empty{display:grid;text-align:center;align-content:center;height:100%;color:var(--muted);line-height:2;font-size:15px}.conversation-empty strong{color:var(--text);font-weight:500}.composer{display:flex;align-items:flex-end;gap:9px;margin:15px 30px 0;background:var(--raised);border:1px solid var(--line);border-radius:20px;padding:8px;position:relative;flex-shrink:0}.composer textarea{flex:1;resize:none;max-height:150px;background:transparent;border:0;padding:10px 0;font-size:17px;line-height:25px;min-height:45px}.composer textarea:focus{border:0}.send{width:43px;height:43px;border-radius:14px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex-shrink:0;margin-bottom:1px}.send svg{width:22px;height:22px}.composer-note{text-align:center;font-size:10px;color:var(--muted);padding:9px 0 14px;opacity:.65;flex-shrink:0}.emoji-panel{position:absolute;bottom:74px;left:0;width:300px;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:0 15px 45px #0003;z-index:2}.emoji-panel strong{font-size:13px;display:block;margin-bottom:12px}.emoji-panel>div{display:grid;grid-template-columns:repeat(6,1fr);gap:4px}.emoji-panel button{font-size:25px;min-height:40px;border-radius:8px}.emoji-panel button:hover{background:var(--raised)}.jump-bottom{position:absolute;bottom:118px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--accent-ink);border-radius:20px;padding:8px 18px;font-size:12px;box-shadow:0 4px 20px #0002}dialog{width:min(440px,calc(100% - 28px));border:1px solid var(--line);border-radius:24px;background:var(--panel);color:var(--text);padding:28px;box-shadow:0 30px 150px #0005;max-height:calc(100dvh - 40px);overflow:auto}dialog::backdrop{background:#0007;backdrop-filter:blur(6px)}dialog header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:10px}dialog h2{font-size:25px;margin:0}dialog header .icon-button{margin-right:-9px}dialog>p{font-size:14px}.dialog-search{margin:20px 0}.user-results{min-height:80px}.user-item{padding:14px 8px}.user-item .chat-copy{display:grid;gap:3px}.user-item strong{font-size:17px}.user-item small{color:var(--muted)}#settings-form{display:grid;gap:18px}.profile-preview{text-align:center}.centered{text-align:center}.colors{display:flex;gap:11px;margin-top:10px}.colors label{display:inline-flex}.colors input{appearance:none;padding:0;width:32px;height:32px;border-radius:50%;cursor:pointer;background:#b9dbc6;border:3px solid var(--panel);outline:2px solid transparent}.colors .color-1{background:#d5c7e7}.colors .color-2{background:#f1c9ad}.colors .color-3{background:#c2d6ed}.colors .color-4{background:#efc8cf}.colors .color-5{background:#dcdda7}.colors input:checked{outline-color:var(--accent)}fieldset{border:0;margin:0;padding:0}legend{font-size:14px;font-weight:600}.logout{padding:18px;color:var(--danger);margin-top:12px;border-radius:14px}.logout:hover{background:var(--raised)}#peer-details{text-align:center;padding:15px 0 20px}#peer-details h2{margin:20px 0 6px}#peer-details p{color:var(--muted)}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);padding:13px 22px;background:var(--text);color:var(--bg);border-radius:15px;font-size:14px;box-shadow:0 10px 40px #0003;z-index:10}.mobile-only{display:none}@media(min-width:1440px){.app{grid-template-columns:390px minmax(0,1fr)}}@media(max-width:1000px){.app{grid-template-columns:310px minmax(0,1fr)}.intro{padding:35px}.auth-main{padding:30px}.intro h1{font-size:46px}.chat-head{padding:18px 24px}.messages{padding-inline:22px}.bubble{max-width:90%}}@media(max-width:700px){.auth-screen{display:block}.intro{display:none}.auth-main{min-height:100dvh;padding:32px 28px}.mini-brand{display:block;font-size:13px;letter-spacing:3px;font-weight:750;color:var(--accent);margin-bottom:55px}.app{grid-template-columns:1fr;border:0}.sidebar{border:0}.welcome{display:none}.app.chat-open .sidebar{display:none}.app.chat-open .conversation{display:flex}.conversation{height:100dvh}.side-head{padding:28px 24px 23px}.wordmark{font-size:36px}.list-heading{padding-top:26px}.chat-item{padding:17px 14px}.chat-top strong{font-size:20px}.chat-preview{font-size:15px}.avatar{width:55px;height:55px;border-radius:19px}.account{padding-bottom:max(18px,env(safe-area-inset-bottom))}.chat-head{height:86px;padding:15px 16px 15px 7px;gap:10px}.chat-head .avatar{width:43px;height:43px;border-radius:15px}.peer-info strong{font-size:20px}.mobile-only{display:inline-flex}.messages{padding:20px 16px}.bubble{font-size:18px;max-width:89%;padding:10px 13px 8px}.composer{margin:10px 12px max(12px,env(safe-area-inset-bottom));padding:6px;border-radius:19px;gap:6px}.composer-note{display:none}.composer textarea{font-size:17px}.composer .icon-button{width:38px}.jump-bottom{bottom:90px}.emoji-panel{width:min(300px,calc(100vw - 26px));bottom:67px}dialog{padding:23px}.welcome h1{font-size:28px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Bundled, licensed fonts: no dependency on external font services. */
@font-face{font-family:Manrope;src:url('/fonts/manrope-400.woff') format('woff');font-weight:400 500;font-display:swap}
@font-face{font-family:Manrope;src:url('/fonts/manrope-700.woff') format('woff');font-weight:600 900;font-display:swap}
@font-face{font-family:MontinEmoji;src:local('Apple Color Emoji'),local('Segoe UI Emoji'),url('/fonts/montin-emoji.ttf') format('truetype');font-display:swap;unicode-range:U+200D,U+2600-27BF,U+FE0F,U+1F000-1FAFF}
body{font-family:Manrope,-apple-system,BlinkMacSystemFont,'Segoe UI',MontinEmoji,'Apple Color Emoji','Segoe UI Emoji',sans-serif}
.message-end{white-space:nowrap}
.bubble{font-weight:400;letter-spacing:-.25px}
.emoji-panel button{font-family:MontinEmoji,'Apple Color Emoji','Segoe UI Emoji',sans-serif}

/* A single fixed shell; only lists, messages and forms scroll. */
html{height:100%;overflow:hidden;overscroll-behavior:none;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{position:fixed;inset:0;overflow:hidden;overscroll-behavior:none;touch-action:manipulation}
input,textarea,select,.search input{font-size:16px}
.app,.auth-screen{height:var(--viewport-height,100dvh);min-height:0;transform:translateY(var(--viewport-top,0px));padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
.app{grid-template-rows:minmax(0,1fr)}
.auth-screen{overflow:auto;overscroll-behavior:contain}
.auth-main{min-width:0}
.sidebar,.chat-list,.messages{min-width:0;min-height:0}
.chat-list,.messages,dialog,.auth-screen{overscroll-behavior:contain}
dialog{position:fixed;inset:auto 0 auto;top:calc(var(--viewport-top,0px) + var(--viewport-height,100dvh)/2);transform:translateY(-50%);margin:0 auto;max-height:calc(var(--viewport-height,100dvh) - 28px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}
.emoji-panel{max-height:max(100px,calc(var(--viewport-height,100dvh) - 180px));overflow:auto;overscroll-behavior:contain}
@media(max-width:700px){
  .auth-main{min-height:100%;padding-bottom:max(28px,env(safe-area-inset-bottom))}
  .conversation{height:100%}
  .mini-brand{margin-bottom:32px}
}