:root{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:#233a32;background:#f1f3ed;--green:#176a52;--line:#e7ece6;--muted:#78877f;--light:#f5f7f2;--red:#d94b53}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}input,textarea{outline:none}button:focus-visible{outline:3px solid #86bea9;outline-offset:3px}input:focus,textarea:focus{border-color:#82b39f!important;box-shadow:0 0 0 3px #176a5210}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.04em}strong{font-weight:600}.muted{color:var(--muted);font-size:14px;line-height:1.7}.eyebrow{font-size:11px;letter-spacing:2.6px;font-weight:700;color:#7d9488}.brand{display:flex;gap:10px;align-items:center;font-weight:750;font-size:23px;letter-spacing:1px}.brand-icon{background:var(--green);color:white;display:inline-grid;place-items:center;position:relative;width:40px;height:40px;border-radius:13px;font-size:22px;letter-spacing:0;box-shadow:0 4px 14px #176a5215}.brand-note{font-size:11px;font-weight:400;letter-spacing:1px;margin-left:12px;color:#698273}.primary,.secondary{border:0;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:16px;transition:background .2s}.primary{background:var(--green);color:white}.primary:hover{background:#12543f}.secondary{background:#edf2ed;color:var(--green)}.full{width:100%}.primary span{font-size:20px}.icon-button{border:0;background:transparent;color:#6b8074;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;font-size:23px;flex-shrink:0}.icon-button:hover{background:#edf4ee;color:var(--green)}.auth-shell{display:grid;grid-template-columns:1.2fr 1fr;min-height:100dvh;max-width:1440px;margin:auto}.auth-story{padding:55px 65px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 85% 60%,#dcebd8 0,transparent 50%),#eaf0e3;display:flex;flex-direction:column}.auth-story:after{content:"";position:absolute;width:500px;height:500px;border:1px solid #d7e3d1;border-radius:50%;right:-220px;top:260px;pointer-events:none}.story-copy{margin-top:75px;z-index:1}.story-copy h1{font-size:clamp(32px,4vw,52px);line-height:1.35;margin:20px 0;color:#244b38;font-weight:600}.story-copy p{font-size:15px;line-height:2;color:#6a8273}.story-cards{margin:30px 20px 25px;max-width:340px;z-index:1}.story-bubble{font-size:14px;background:#ffffffb5;border:1px solid #fff;padding:17px 23px;border-radius:18px 18px 18px 5px;display:flex;gap:25px;max-width:260px;transform:rotate(-3deg);box-shadow:0 10px 35px #456c4010}.story-bubble span{color:#cba34b}.story-bubble.reply{background:#176a52;color:#fff;margin:18px 0 0 100px;white-space:nowrap;border-color:#176a52;border-radius:18px 18px 5px 18px;transform:rotate(3deg)}.story-call{margin:25px 0 0 28px;padding:16px 22px;background:#ffffff75;border:1px solid #fff;border-radius:20px;width:250px;color:#557965;font-size:12px}.wave{letter-spacing:4px;color:#61927a;font-size:22px;margin:10px 0}.story-call small{font-size:10px;color:#8a9b8d}.story-footer{font-size:11px;color:#859681;letter-spacing:1px;margin-top:auto;padding-top:30px}.auth-panel{background:#fffefb;padding:80px clamp(30px,6vw,80px);display:flex;justify-content:center;flex-direction:column}.auth-panel h2{font-size:28px;font-weight:600;margin:18px 0 10px}.mobile-brand{display:none}.tabs{display:flex;border-bottom:1px solid var(--line);gap:30px;margin:20px 0 28px}.tabs button{background:none;border:0;color:#8b968e;padding:12px 2px;font-size:14px}.tabs button.active{color:var(--green);border-bottom:2px solid var(--green);font-weight:700}label{display:block;font-size:13px;font-weight:600;margin:0 0 20px}input{display:block;width:100%;padding:13px 14px;border:1px solid #e2e7dd;background:#fcfcf9;border-radius:10px;margin-top:9px;font-size:14px;color:#233a32}input::placeholder,textarea::placeholder{color:#a0aaa3}label small{display:block;color:#8f9d94;font-size:10px;margin-top:7px;font-weight:400}.form-error{color:#c84649;font-size:12px;min-height:17px;margin:0 0 12px}.auth-hint{font-size:11px;line-height:1.9;color:#94a095;margin:28px 0 0;text-align:center}.app-shell{height:100dvh;display:grid;grid-template-columns:320px minmax(0,1fr);max-width:1440px;margin:auto;background:#fcfdf9}.sidebar{border-right:1px solid var(--line);background:#fffefb;display:flex;flex-direction:column;min-height:0;padding:25px 20px 0}.sidebar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.sidebar-head .brand{font-size:22px}.self-card{display:flex;align-items:center;gap:12px;padding:16px 12px;background:#f2f6ee;border-radius:16px;margin-bottom:26px}.avatar{width:43px;height:43px;border-radius:15px;display:grid;place-items:center;font-size:18px;background:#e0ebdc;color:#416951;flex-shrink:0;font-weight:600}.self-card strong{font-size:14px}.self-handle{font-size:10px;color:#8b9a8c;margin-top:5px}.connection-dot{width:7px;height:7px;border-radius:50%;background:#c5b98c;margin-left:auto}.connection-dot.online{background:#58a676}.list-title{display:flex;align-items:center;justify-content:space-between;margin:0 6px 12px}.list-title h2{font-size:13px;margin:0;font-weight:600}.list-title h2 span{color:#9fa99f;font-weight:400;margin-left:5px}.plus{font-size:24px;height:30px;width:30px;background:#eff4ec}.friend-list{overflow-y:auto;flex:1;min-height:50px}.friend-row{width:100%;border:0;background:none;border-radius:14px;display:flex;gap:12px;text-align:left;align-items:center;padding:14px 10px;position:relative;color:inherit;margin-bottom:4px}.friend-row:hover{background:#f5f7f2}.friend-row.active{background:#eaf3e9}.friend-row .friend-text{flex:1;min-width:0}.friend-row strong{font-size:14px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.friend-row small{font-size:11px;color:#909d90;display:block;margin-top:5px}.friend-presence{width:6px;height:6px;border-radius:50%;display:inline-block;background:#b2bbb0;margin-right:5px}.friend-presence.online{background:#70a179}.unread{border-radius:12px;background:var(--green);color:white;min-width:20px;padding:3px 5px;text-align:center;font-size:10px}.empty-friends{font-size:12px;line-height:1.8;color:#929e90;text-align:center;padding:30px 10px}.sidebar-bottom{font-size:10px;color:#9ba79b;padding:18px 6px;border-top:1px solid var(--line);display:flex;justify-content:space-between}.requests{border:1px solid #e8e9d5;border-radius:12px;padding:12px;margin-bottom:12px;background:#fdfbf0;max-height:220px;overflow:auto}.requests h3{font-size:11px;color:#9a8959;margin:0 0 10px}.request-item{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:8px}.request-item span{font-size:12px;overflow:hidden;text-overflow:ellipsis}.request-item button{font-size:11px;border:0;background:#e8efdc;padding:7px 10px;color:#597146;border-radius:8px}.conversation{min-width:0;min-height:0}.welcome{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.welcome-art{width:145px;height:145px;position:relative;margin-bottom:32px}.welcome-art span{position:absolute;left:18px;top:30px;display:grid;place-items:center;background:#dfeadc;color:#5a7e60;font-size:47px;width:95px;height:85px;border-radius:28px 28px 28px 6px;transform:rotate(-8deg)}.welcome-art i{position:absolute;width:70px;height:60px;right:0;bottom:7px;background:#f0e5c9;border:5px solid #fcfdf9;border-radius:20px 20px 5px 20px;transform:rotate(12deg)}.welcome-art b{position:absolute;top:0;right:0;color:#c1ae73;font-size:26px}.welcome h1{font-size:31px;font-weight:500;letter-spacing:0;margin:18px 0}.welcome p{font-size:13px;line-height:2;color:#8d9b8c;margin-bottom:26px}.feature-chips{display:flex;gap:20px;font-size:10px;color:#97a393;margin-top:35px}.chat{height:100%;display:flex;flex-direction:column;min-height:0}.chat-head{height:91px;padding:0 34px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;background:#fffefb;flex-shrink:0}.chat-identity{flex:1;min-width:0}.chat-identity strong{font-size:16px;overflow:hidden;text-overflow:ellipsis;display:block;white-space:nowrap}.chat-identity small{display:block;font-size:10px;color:#8c9f8c;margin-top:5px}.back-button{display:none}.messages{flex:1;overflow-y:auto;padding:24px 35px;scroll-behavior:smooth;min-height:0;background:radial-gradient(ellipse at top right,#edf3e440,transparent 60%),#f8faf5}.history-note{text-align:center;font-size:11px;color:#99a692;margin:10px 0 25px}.load-more{display:block;margin:0 auto 25px;border:0;background:#eaf0e4;padding:8px 14px;border-radius:15px;color:#758773;font-size:10px}.message-row{display:flex;gap:10px;align-items:flex-end;margin:18px 0}.message-row .avatar{width:30px;height:30px;font-size:12px;border-radius:10px}.message-row.mine{flex-direction:row-reverse}.message-content{max-width:75%}.message-bubble{padding:12px 15px;font-size:14px;line-height:1.7;border-radius:15px 15px 15px 4px;background:#fff;border:1px solid #e7ebe2;white-space:pre-wrap;overflow-wrap:anywhere;color:#3b4c3b}.mine .message-bubble{background:#dcebd5;border-color:#dcebd5;border-radius:15px 15px 4px 15px;color:#345333}.message-meta{font-size:9px;color:#9ba893;padding:6px 2px 0}.mine .message-meta{text-align:right}.composer{padding:20px 30px;display:flex;gap:14px;align-items:flex-end;border-top:1px solid var(--line);background:#fffefb;flex-shrink:0}.composer textarea{flex:1;resize:none;max-height:120px;min-height:46px;padding:13px 16px;border-radius:12px;border:1px solid #e5eadf;background:#f7f9f3;font-size:13px;line-height:1.6}.send{height:46px;font-size:12px;padding:0 20px;border-radius:12px}.reconnect-banner{text-align:center;font-size:11px;background:#f8efd9;color:#95824b;padding:9px}.danger{color:#c6595e}dialog{border:1px solid #e1e8dc;border-radius:20px;padding:28px;max-width:calc(100% - 28px);width:420px;color:#233a32;background:#fffefa;box-shadow:0 20px 80px #1e382a30}dialog::backdrop{background:#18352766;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;gap:10px}.dialog-head h2{font-size:19px;font-weight:600;margin:0}.settings-row{display:flex;justify-content:space-between;gap:20px;font-size:12px;padding:15px 0;border-bottom:1px solid var(--line)}.settings-row span{color:#899680;white-space:nowrap}.settings-row strong{font-size:11px;overflow-wrap:anywhere;text-align:right}.note{font-size:11px;line-height:1.9;color:#8a9682;margin:18px 0}.sent-requests{font-size:11px;line-height:2;color:#8a9682;margin-top:15px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);padding:13px 22px;border-radius:13px;background:#273f32;color:#fff;font-size:12px;z-index:100;box-shadow:0 5px 20px #1e382a20;line-height:1.7;width:max-content}.call-overlay{position:fixed;inset:0;background:radial-gradient(ellipse at 30% 30%,#305d4c,#10261f);color:white;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center}.remote-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}.call-overlay.has-video .remote-video{opacity:1}.call-overlay.has-video:after{content:"";position:absolute;inset:0;background:linear-gradient(#071c1755,transparent 35%,#071c1788);pointer-events:none}.local-video{position:absolute;right:24px;top:80px;width:120px;height:170px;object-fit:cover;border-radius:18px;border:1px solid #ffffff60;z-index:2;transform:scaleX(-1)}.call-heading{position:absolute;top:max(30px,env(safe-area-inset-top));left:30px;right:30px;display:flex;justify-content:space-between;font-size:12px;color:#d6e6d8;z-index:2}.call-person{text-align:center;z-index:2}.call-person .avatar{margin:0 auto 25px;width:95px;height:95px;font-size:38px;border-radius:30px;background:#c7e4ca22;color:#d6ead6;border:1px solid #cedfcc22}.call-person h2{font-size:26px;font-weight:500;letter-spacing:2px}.call-person p{font-size:12px;color:#b0c7b8}.has-video .call-person{position:absolute;top:28px;left:50%;transform:translateX(-50%)}.has-video .call-person .avatar{display:none}.has-video .call-person h2{font-size:16px;letter-spacing:0;margin-bottom:6px}.call-controls{position:absolute;bottom:max(50px,env(safe-area-inset-bottom));display:flex;gap:40px;z-index:2}.call-action{background:none;border:0;color:#dae5dc;display:flex;flex-direction:column;align-items:center;gap:12px;font-size:11px;min-width:65px}.call-circle{display:grid;place-items:center;width:60px;height:60px;background:#ffffff22;border-radius:50%;color:#fff;font-size:27px}.call-circle.red{background:#d75f63}.call-circle.green{background:#55ae81}.call-action[aria-pressed=true] .call-circle{background:#e5ece2;color:#2c513a}.audio-unlock{z-index:5;border:1px solid #adcdb870;border-radius:16px;padding:10px 16px;background:#183a2b;color:#fff;font-size:13px;margin-top:20px}
#logout-button{margin-top:10px}
.native-pip{background:#10261f;overflow:hidden}.native-pip> :not(#call-overlay){display:none!important}.native-pip .call-controls,.native-pip .local-video,.native-pip .audio-unlock,.native-pip .call-heading{display:none!important}.native-pip .call-overlay{background:#10261f}.native-pip .call-overlay.has-video:after{display:none}.native-pip .call-person .avatar{width:54px;height:54px;border-radius:18px;font-size:24px;margin-bottom:9px}.native-pip .call-person h2{font-size:14px;letter-spacing:0;margin:0 0 6px}.native-pip .call-person p{font-size:10px;margin:0}.native-pip .has-video .call-person{display:none}
@media(min-width:1441px){.app-shell{margin:25px auto;height:calc(100dvh - 50px);border:1px solid #dde5d8;border-radius:22px;overflow:hidden;box-shadow:0 18px 65px #30402c0a}}
@media(max-width:850px){.auth-shell{grid-template-columns:1fr 1fr}.auth-story{padding:35px 30px}.story-copy{margin-top:65px}.brand-note{display:none}.story-cards{margin:30px 0}.story-bubble.reply{margin-left:50px}.app-shell{grid-template-columns:270px minmax(0,1fr)}.sidebar{padding:22px 14px 0}.chat-head{padding:0 20px;height:80px}.messages{padding:20px}.composer{padding:16px}.call-controls{gap:28px}}
@media(max-width:600px){.auth-shell{display:block;min-height:100dvh;background:#fffefb}.auth-story{display:none}.auth-panel{padding:40px 26px 30px;min-height:100dvh;justify-content:flex-start}.mobile-brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:650;margin:0 0 50px}.auth-panel h2{font-size:26px}.auth-panel .eyebrow{font-size:10px}.tabs{margin:15px 0 24px}.auth-hint{margin-top:25px}.app-shell{display:block}.sidebar{height:100%;padding:22px 18px 0}.sidebar-head{margin-bottom:22px}.self-card{margin-bottom:18px}.conversation{display:none;height:100%}.app-shell.chat-open .sidebar{display:none}.app-shell.chat-open .conversation{display:block}.back-button{display:inline-flex;margin-left:-12px;width:30px;font-size:33px}.chat-head{height:76px;padding:0 16px;gap:10px;padding-top:env(safe-area-inset-top)}.chat-head .avatar{width:38px;height:38px;border-radius:13px;font-size:16px}.chat-identity strong{font-size:15px}.chat-head .icon-button{width:36px}.messages{padding:18px 14px}.message-content{max-width:78%}.message-bubble{font-size:14px;padding:10px 13px}.composer{padding:13px 12px max(13px,env(safe-area-inset-bottom));gap:8px}.send{padding:0 15px}.composer textarea{font-size:14px}.message-row{margin:16px 0}.local-video{right:16px;top:75px;width:96px;height:138px;border-radius:13px}.call-heading{left:20px;right:20px}.call-controls{gap:14px;bottom:55px;max-width:calc(100vw - 24px)}.call-action{min-width:58px}.call-circle{width:56px;height:56px}dialog{padding:24px}.sidebar-bottom{padding-bottom:max(18px,env(safe-area-inset-bottom))}.toast{bottom:85px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}