:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",sans-serif;color:#202239;background:#f2f6fb;font-synthesis:none;font-size:17px;line-height:1.5;--purple:#1672e8;--muted:#555c71;--line:#e2e3ed}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:4px}button{cursor:pointer;font-weight:750;border:1px solid var(--line);border-radius:12px;background:white;color:inherit;padding:10px 16px;min-height:44px}button:disabled{cursor:wait;opacity:.6}button:hover{border-color:#8bbcf4;background:#edf6ff}a{color:var(--purple);font-weight:750;text-decoration:none}h1,h2,h3,p{margin:0}h1{font-size:34px;line-height:1.2;letter-spacing:-1px}h2{font-size:25px;line-height:1.35}h3{font-size:20px}small,.muted{color:var(--muted);font-size:15px;font-weight:600}.primary{color:white;background:var(--purple);border-color:var(--purple)}.primary:hover{background:#105dc4}.brand{display:flex;align-items:center;gap:12px;font-size:27px;font-weight:850;letter-spacing:-1px}.brand img{width:44px;height:44px;border-radius:12px}.badge{font-size:12px;font-weight:800;letter-spacing:1.2px;color:var(--purple);text-transform:uppercase}.auth{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr;max-width:1200px;align-items:center;gap:80px;margin:auto;padding:50px 32px}.auth-intro h1{font-size:56px;margin:34px 0 24px}.auth-intro p{font-size:22px;color:var(--muted)}.auth-steps{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.auth-steps span{padding:12px 16px;border-radius:12px;background:#e6f1ff;font-weight:750}.card{padding:28px;background:white;border:1px solid var(--line);border-radius:22px}.auth .card{box-shadow:0 16px 65px #28205e0b}.form{display:grid;gap:15px}.form label{display:grid;gap:7px;font-size:15px;font-weight:800}input,select,textarea{width:100%;border:1px solid #babed0;border-radius:10px;background:white;color:#202239;padding:11px 13px;font-weight:600}textarea{resize:vertical;min-height:78px}input:focus,textarea:focus,select:focus{outline:2px solid #77adf0;border-color:var(--purple)}.switch{display:flex;gap:8px;margin:22px 0}.switch button{flex:1}.active{color:var(--purple)!important;background:#e8f2ff!important;border-color:#b8d6fa!important}.shell{display:grid;grid-template-columns:220px minmax(420px,1fr) 360px;height:100dvh;max-width:1800px;margin:auto}.sidebar{background:white;border-right:1px solid var(--line);padding:27px 18px;display:flex;flex-direction:column;gap:30px;min-height:0}.nav{display:grid;gap:9px}.nav button{display:flex;gap:12px;text-align:left;border-color:transparent;padding:13px;font-size:18px}.nav-icon{font-size:22px;width:28px}.side-bottom{margin-top:auto;display:grid;gap:12px}.profile{display:flex;gap:10px;align-items:center;min-width:0}.avatar{display:flex;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 40px;border-radius:14px;background:#e4efff;color:#1c5ea9;font-weight:850}.profile strong{display:block;font-size:16px;overflow:hidden;text-overflow:ellipsis}.profile small{font-size:13px}.main{overflow-y:auto;min-width:0}.topbar{background:#ffffffeb;position:sticky;top:0;z-index:2;border-bottom:1px solid var(--line);padding:22px 30px;display:flex;justify-content:space-between;align-items:center;gap:15px;backdrop-filter:blur(12px)}.topbar h1{font-size:26px}.content{padding:26px 30px;max-width:900px;margin:auto;display:grid;gap:22px}.welcome{background:#e3f0ff;border:0;display:flex;align-items:center;justify-content:space-between;gap:20px}.welcome h2{font-size:30px}.ring{width:84px;height:84px;border-radius:50%;border:8px solid #a5caf7;display:flex;flex-direction:column;justify-content:center;align-items:center;flex-shrink:0;color:#1468d2}.ring strong{font-size:26px;line-height:1}.ring small{font-size:12px}.card-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.lesson{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.lesson-header{display:flex;align-items:center;gap:10px;padding:18px 24px}.lesson-header .day{margin-left:auto;background:#eaf3ff;border-radius:10px;padding:7px 12px;font-weight:800;color:var(--purple)}.phrase{padding:30px 26px;background:#e8f2ff}.phrase .translation{font-size:24px;font-weight:750;margin-bottom:10px}.phrase h2{font-size:38px;line-height:1.35;word-break:keep-all}.phrase small{display:block;margin:12px 0 20px;color:#44445d}.actions{display:flex;gap:10px;flex-wrap:wrap}.mission-body{padding:24px;display:grid;gap:16px}.mission-body p{font-size:17px;font-weight:650}.comment{border-top:1px solid var(--line);padding-top:14px;display:flex;gap:10px}.comment p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px}.comment-meta{display:flex;gap:10px;align-items:center;margin-bottom:5px}.text-btn{border:0;background:none;padding:0 5px;min-height:30px;color:var(--purple);font-size:14px}.daygrid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.daygrid button{display:grid;gap:5px;padding:14px 6px}.daygrid b{font-size:22px}.done{background:#e5f5ed!important;border-color:#9acfb7!important;color:#16774b!important}.post-form{display:grid;gap:13px}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.toolbar .primary{margin-left:auto}.post{display:grid;gap:16px}.post p{white-space:pre-wrap;overflow-wrap:anywhere}.post-image,.message-image{max-width:100%;max-height:360px;object-fit:contain;border-radius:12px;display:block}.person{display:flex;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.person .person-label{flex:1;min-width:0}.person .actions{gap:6px}.person button{font-size:14px;padding:8px 11px}.chat{border-left:1px solid var(--line);background:white;display:flex;flex-direction:column;min-height:0}.chat-head{padding:25px 20px 18px;border-bottom:1px solid var(--line)}.chat-title{display:flex;justify-content:space-between;align-items:center;gap:8px}.chat-title h2{font-size:22px}.connection{font-size:13px;color:#5e657b;display:flex;gap:6px;align-items:center;margin-top:10px;font-weight:700}.connection::before{content:"";width:8px;height:8px;border-radius:50%;background:#aaa}.connection.online::before{background:#1b9c69}.participants{display:flex;align-items:center;gap:6px;margin-top:14px;overflow:hidden}.participants .avatar{width:34px;height:34px;flex-basis:34px;font-size:13px;border-radius:50%}.participants small{margin-left:4px;white-space:nowrap}.messages{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:15px;overscroll-behavior:contain}.message{max-width:92%;align-self:flex-start}.message.mine{align-self:flex-end}.message .bubble{background:#f0f1f7;border-radius:4px 15px 15px;padding:10px 13px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px;font-weight:550}.message.mine .bubble{background:#d8eaff;border-radius:15px 4px 15px 15px}.message small{font-size:12px;display:block;margin-bottom:4px;color:#4d5269}.composer{padding:14px;border-top:1px solid var(--line);display:grid;gap:10px;background:white}.composer textarea{min-height:70px;max-height:130px;font-size:16px}.composer .toolbar{gap:6px}.composer .primary{flex:1}.empty{text-align:center;color:#555c71;font-weight:650;padding:35px 15px}.error{color:#a21e37;min-height:24px;font-weight:700;font-size:15px}.file-label{cursor:pointer;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-weight:700;font-size:15px}.file-label input{display:none}.mobile-chat-toggle{display:none}.attach-preview{font-size:14px;color:#1965bc;overflow-wrap:anywhere}.progressbar{height:9px;border-radius:5px;background:#dfebf8;overflow:hidden;margin:18px 0}.progressbar span{display:block;height:100%;background:var(--purple)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#24233a;color:white;border-radius:12px;padding:12px 20px;box-shadow:0 6px 30px #0002;z-index:20;display:none;max-width:90vw;font-size:16px;font-weight:700}.faq-note{margin:14px 0;font-size:15px;color:#545b70}.danger{color:#ae2845}.install{padding:12px;border-radius:12px;background:#e8f2ff;font-size:14px}.room-label{font-size:14px;color:#555c71;font-weight:650}.loading{padding:30px;font-size:20px}.auth .lang-select{max-width:180px}.brand-row{display:flex;justify-content:space-between;align-items:center;gap:20px}
@media(min-width:1600px){.shell{grid-template-columns:245px minmax(420px,1fr) 410px}.content{padding-top:35px}}@media(max-width:1150px){.shell{grid-template-columns:180px minmax(330px,1fr) 320px}.sidebar{padding:20px 12px}.brand{font-size:24px}.nav button{font-size:16px}.content{padding:20px}.topbar{padding:20px}.person{flex-wrap:wrap}.auth{gap:40px}.auth-intro h1{font-size:44px}}@media(max-width:900px){.shell{grid-template-columns:180px minmax(0,1fr)}.chat{display:none}.mobile-chat-toggle{display:block}.shell.chat-open .chat{display:flex;position:fixed;right:0;top:0;bottom:0;width:min(440px,100%);z-index:10;box-shadow:-20px 0 50px #2223}.chat .close-chat{display:block}.auth{grid-template-columns:1fr;max-width:600px;gap:30px}.auth-intro h1{font-size:38px;margin:20px 0}.auth-intro p,.auth-steps{display:none}}@media(min-width:901px){.close-chat{display:none}}@media(max-width:600px){:root{font-size:16px}.shell{display:flex;flex-direction:column;padding-bottom:75px}.sidebar{display:contents}.sidebar>.brand,.side-bottom{display:none}.nav{position:fixed;bottom:0;left:0;right:0;z-index:8;display:flex;background:white;border-top:1px solid var(--line);padding:6px 5px max(6px,env(safe-area-inset-bottom));gap:0}.nav button{flex:1;font-size:11px;display:flex;flex-direction:column;align-items:center;gap:1px;padding:5px 0;min-width:0;border-radius:9px}.nav-icon{font-size:22px}.main{flex:1}.topbar{padding:15px 18px}.topbar h1{font-size:23px}.content{padding:18px 14px;gap:16px}.card{padding:20px;border-radius:16px}.welcome h2{font-size:25px}.ring{height:68px;width:68px}.phrase{padding:24px 20px}.phrase h2{font-size:32px}.phrase .translation{font-size:22px}.daygrid{grid-template-columns:repeat(4,1fr)}.auth{padding:25px 18px}.auth-intro h1{font-size:35px}.brand{font-size:25px}.brand-row{gap:10px}.auth .lang-select{max-width:130px}.auth .card{padding:22px}.shell.chat-open .chat{width:100%}.chat-head{padding-top:max(18px,env(safe-area-inset-top))}.composer{padding-bottom:max(14px,env(safe-area-inset-bottom))}.topbar select{max-width:130px}.card-heading{align-items:flex-start}.phrase .actions button{flex:1}}
.lesson-header .day{white-space:nowrap;flex-shrink:0}.ring small{white-space:nowrap;font-size:10px}@media(max-width:600px){.topbar .toolbar{flex-wrap:nowrap;gap:8px}.topbar select{width:118px;font-size:15px}.mobile-chat-toggle{padding:9px;font-size:14px}}
/* Day100 Talk — blue conversation workspace */
svg{width:24px;height:24px;flex-shrink:0;vertical-align:middle}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}.shell{max-width:none;grid-template-columns:100px minmax(400px,1fr) 370px;background:#fff}.shell.chats-mode{grid-template-columns:100px 340px minmax(350px,1fr)}.sidebar{background:#edf3fa;padding:24px 10px;border-color:#dfe7f0;gap:22px}.sidebar>.brand{justify-content:center}.sidebar>.brand span{display:none}.sidebar>.brand img{width:50px;height:50px}.nav{gap:7px}.nav button{display:flex;flex-direction:column;align-items:center;gap:7px;padding:12px 3px;font-size:12px;line-height:1.2;border-radius:15px;font-weight:750;color:#455d78}.nav-icon{width:auto;display:flex;justify-content:center}.nav-icon svg{width:26px;height:26px}.nav .active{background:#d9eaff!important;color:#0965d5!important;border-color:transparent!important}.side-bottom>.profile{justify-content:center}.side-bottom>.profile>div,.side-bottom>.install{display:none}.side-bottom>button{font-size:12px;padding:8px 2px;background:transparent;border:0}.avatar{border-radius:50%;background:#d9eaff;color:#1c5fba}.topbar{padding:23px 24px;background:white;backdrop-filter:none}.topbar h1{font-size:28px;font-weight:850}.topbar select{font-size:14px;padding:9px;width:116px;border-color:#dbe5ef}.chats-mode .main{background:white;border-right:1px solid var(--line)}.chats-mode .content{padding:20px 12px;display:block}.chats-intro{padding:0 10px 16px}.chats-intro p{font-size:16px;color:#4e637b;font-weight:600;line-height:1.6}.chats-intro button{margin-top:16px;font-size:16px;padding:10px 14px;border-radius:12px;display:flex;align-items:center;gap:7px}.conversation-search{display:flex;align-items:center;gap:9px;border-radius:12px;background:#f0f5fa;margin:0 10px;padding:0 12px;color:#5a7188}.conversation-search input{border:0;background:transparent;padding:13px 0;font-size:15px;min-width:0}.conversation-search svg{width:20px}.conversation-filters{display:flex;gap:8px;margin:18px 10px}.conversation-filters button{border:0;min-height:36px;border-radius:20px;background:#f3f6fa;padding:7px 13px;color:#546b83;font-size:13px;font-weight:750}.conversation{width:100%;display:flex;align-items:center;gap:13px;text-align:left;border:0;border-radius:12px;padding:18px 12px;background:white;min-width:0}.conversation+.conversation{margin-top:3px}.conversation .avatar{width:49px;height:49px;flex-basis:49px;font-size:18px}.conversation.selected{background:#e7f1ff}.conversation:hover{background:#f0f6ff}.conversation-info{flex:1;min-width:0}.conversation-title{display:flex;align-items:center;gap:8px;justify-content:space-between}.conversation-title strong{font-size:17px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-title time{font-size:11px;color:#596f86;white-space:nowrap}.conversation-preview{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#56708b;font-size:14px;font-weight:550;margin-top:4px}.global-avatar{background:#1672e8;color:white}.call-availability{margin:30px 12px;font-size:13px;line-height:1.6;color:#5c7086;font-weight:600}.call-availability svg{width:17px;height:17px;margin-right:5px}.chat{border-left:0;background:#edf3f9}.chat-head{background:white;padding:20px 26px;border-bottom:1px solid #dce5ef;min-height:100px}.chat-title{justify-content:flex-start;gap:13px}.chat-title>.avatar{width:46px;height:46px;flex-basis:46px}.chat-contact{min-width:0;flex:1}.chat-contact h2{font-size:20px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.chat-contact .connection{margin:4px 0 0;font-size:13px}.call-actions{display:flex;gap:8px}.call-actions button{padding:10px;min-width:44px;display:flex;align-items:center;justify-content:center;border:0;color:#1767c8;background:#eff6ff;border-radius:50%}.call-actions button:hover{background:#d8eaff}.room-chip{font-size:13px;color:#2764ad;font-weight:750;background:#eef5fe;border-radius:20px;padding:7px 12px}.participants{margin-top:12px}.participants .avatar{width:26px;height:26px;flex-basis:26px;font-size:10px}.participants small{font-size:12px}.messages{padding:30px clamp(18px,4vw,70px);gap:18px;background-color:#edf3f9;background-image:radial-gradient(#c5d5e880 .8px,transparent .8px);background-size:18px 18px}.message{max-width:min(80%,600px)}.message .bubble{background:#fff;border-radius:4px 16px 16px 16px;box-shadow:0 1px 2px #1b335d12;color:#1c304b;font-size:17px;padding:12px 16px;line-height:1.65}.message.mine .bubble{background:#d6e9ff;border-radius:16px 4px 16px 16px}.message small{font-size:12px;font-weight:650;color:#4c6580;margin:0 4px 5px}.message.mine small{text-align:right}.chat .empty{align-self:center;margin:auto;max-width:350px;background:#ffffffb8;border:1px solid #dde7f0;border-radius:20px;padding:35px;line-height:1.7}.composer{background:#f7faff;padding:16px 24px;border-top:1px solid #dce5ef}.compose-row{display:flex;align-items:center;gap:12px}.compose-row textarea{border:1px solid #dbe5f0;border-radius:22px;min-height:48px;height:48px;max-height:120px;padding:12px 18px;resize:vertical;font-size:16px;font-weight:550}.compose-row .file-label{display:flex;padding:10px;border:0;background:transparent;color:#46719c}.send-round{border-radius:50%;width:48px;height:48px;min-width:48px;padding:12px;display:flex;align-items:center;justify-content:center}.attach-preview:empty{display:none}.shell:not(.chats-mode) .chat-head{padding:20px 15px}.shell:not(.chats-mode) .chat-title{flex-wrap:wrap}.shell:not(.chats-mode) .messages{padding:20px 15px}.shell:not(.chats-mode) .composer{padding:14px}.shell:not(.chats-mode) .chat-title h2{font-size:18px}.shell:not(.chats-mode) .room-chip{display:none}
#call-overlay{position:fixed;inset:0;z-index:100;background:#0b1939d9;backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:center;padding:25px}.call-panel{width:min(900px,100%);height:min(740px,92dvh);display:flex;flex-direction:column;background:#132c50;border:1px solid #486482;border-radius:26px;overflow:hidden;color:#fff;box-shadow:0 25px 100px #0005}.call-top{display:flex;align-items:center;justify-content:space-between;padding:22px 28px;color:#d1e6ff;font-size:17px}.call-brand{font-size:21px;font-weight:850}.call-stage{position:relative;flex:1;min-height:0;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 40%,#20497a,#132c50);overflow:hidden}.call-person{position:relative;z-index:2;text-align:center;padding:24px}.call-avatar{width:115px;height:115px;border-radius:50%;background:#2e6db5;box-shadow:0 0 0 14px #2e6db526;display:grid;place-items:center;font-size:38px;font-weight:800;margin:0 auto 32px}.call-person h2{font-size:32px}.call-person p{color:#d2e4fc;font-size:18px;font-weight:600;margin-top:10px;max-width:500px}.call-controls{display:flex;justify-content:center;gap:24px;padding:24px 18px 8px}.call-controls button{border:0;background:#2c496e;color:white;border-radius:16px;display:flex;flex-direction:column;align-items:center;gap:8px;min-width:90px;padding:15px;font-size:13px}.call-controls svg{width:28px;height:28px}.call-controls .red{background:#df3f59}.call-controls .blue{background:#1672e8}.call-controls .toggled{background:#fff;color:#173c6e}.call-privacy{text-align:center;color:#bbd0eb;font-size:13px;padding:14px 20px 22px}.call-stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:none;background:#0b1d35}.has-video #remote-video{display:block}.has-video .call-person{position:absolute;top:0;left:0;padding:18px;background:linear-gradient(#10213ac0,transparent);width:100%;text-align:left}.has-video .call-person h2{font-size:18px}.has-video .call-person p{font-size:14px;margin:4px 0}.has-video .call-avatar{display:none}.call-stage #local-video{display:block;inset:auto 20px 20px auto;width:150px;height:190px;object-fit:cover;transform:scaleX(-1);border-radius:16px;border:2px solid #7da9d9;z-index:3}.call-stage #play-call{position:absolute;bottom:15px;left:15px;z-index:5}.ended .call-avatar{box-shadow:none;background:#3c5678}
@media(min-width:1600px){.shell.chats-mode{grid-template-columns:104px 390px minmax(350px,1fr)}}
@media(max-width:1150px){.shell{grid-template-columns:86px minmax(320px,1fr) 320px}.shell.chats-mode{grid-template-columns:86px 300px minmax(330px,1fr)}.chats-mode .topbar{padding:20px 18px}.chat-head{padding:18px}.nav button{font-size:11px}.sidebar{padding:22px 8px}}
@media(max-width:900px){.shell,.shell.chats-mode{grid-template-columns:86px minmax(0,1fr)}.shell.chats-mode .main{border:0}.shell.chat-open .chat{width:calc(100% - 86px);box-shadow:none}.chat-title .close-chat{padding:6px;min-width:40px;border:0;background:none;color:#236bbd;font-size:26px}.call-stage #local-video{width:110px;height:145px}.chats-mode .content{max-width:none}.conversation{padding:18px}.conversation-title strong{font-size:18px}.conversation-preview{font-size:16px}}
@media(max-width:600px){.shell,.shell.chats-mode{display:flex;padding-bottom:73px}.sidebar>.brand,.side-bottom{display:none}.nav{padding:6px 3px max(6px,env(safe-area-inset-bottom));gap:0}.nav button{font-size:10px;gap:4px;padding:6px 1px}.nav-icon svg{width:23px;height:23px}.topbar,.chats-mode .topbar{padding:18px 20px}.topbar h1{font-size:28px}.chats-mode .mobile-chat-toggle{display:none}.shell.chat-open .chat{width:100%;z-index:10}.chat-head{padding:15px 14px}.chat-title{gap:9px}.chat-title>.avatar{width:40px;height:40px;flex-basis:40px}.chat-contact h2{font-size:18px}.call-actions{gap:4px}.call-actions button{padding:9px;min-width:42px}.call-actions svg{width:22px;height:22px}.messages{padding:22px 16px}.message{max-width:88%}.message .bubble{font-size:17px}.composer{padding:12px 10px max(12px,env(safe-area-inset-bottom))}.compose-row{gap:7px}.compose-row textarea{padding:12px;font-size:16px}.send-round{min-width:44px;width:44px;height:44px}#call-overlay{padding:0}.call-panel{width:100%;height:100dvh;max-height:none;border-radius:0;border:0}.call-top{padding:24px 20px}.call-controls{gap:10px;padding:18px 12px}.call-controls button{min-width:82px;font-size:12px}.call-person h2{font-size:28px}.call-person p{font-size:17px}.call-stage #local-video{right:12px;bottom:12px;width:95px;height:130px}.call-privacy{padding-bottom:max(24px,env(safe-area-inset-bottom))}}
.compose-row textarea{height:52px;min-height:52px;line-height:24px;resize:none}
/* One mission at a time */
.shell.learning-mode{grid-template-columns:100px minmax(0,1fr)}.learning-mode>.chat{display:none}.learning-mode.chat-open>.chat{display:flex;position:fixed;right:0;top:0;width:370px;height:100dvh;z-index:20;box-shadow:-12px 0 40px #19385722}.learning-mode .mobile-chat-toggle{display:block}.learning-mode .main{min-width:0;background:#f5f8fc}.learning-mode .content{max-width:1300px;margin:auto;padding:20px 32px 36px;display:block;width:100%}.learning-tabs{display:flex;border-bottom:2px solid #dfe7f2;gap:28px;margin-bottom:20px}.learning-tabs button{background:none;border:0;border-radius:0;padding:14px 4px;font-size:21px;font-weight:800;color:#50627a;margin-bottom:-2px;border-bottom:3px solid transparent}.learning-tabs .selected{color:#126be2;border-color:#126be2}.lesson-pager{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}.lesson-pager button{background:#fff;font-size:17px}.lesson-pager label{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:800;white-space:nowrap}.lesson-pager select{padding:8px;width:75px;font-weight:800}.feed-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:25px;align-items:start}.single-feed{background:white;border:1px solid #d8e4f2;border-radius:24px;overflow:hidden;box-shadow:0 12px 35px #1f4c8110;touch-action:pan-y;animation:lesson-arrive .22s ease-out}.single-feed header{display:flex;justify-content:space-between;align-items:center;padding:20px 25px;border-bottom:1px solid #e3ebf5}.lesson-brand{display:flex;align-items:center;gap:14px;font-size:28px;font-weight:900;color:#1672e8}.lesson-brand>span{font-size:20px;color:#172c49}.lesson-brand small{display:block;font-size:14px;font-weight:650;color:#526782;margin-top:3px}.day-pill{font-size:15px;background:#edf4ff;padding:10px;border-radius:10px;color:#1266ca;white-space:nowrap}.feed-expression{padding:30px;background:linear-gradient(140deg,#e9f3ff,#f7faff);min-height:300px;display:flex;flex-direction:column;justify-content:center}.eyebrow{font-size:13px;letter-spacing:1px;color:#2366b8;font-weight:850}.feed-expression h2{font-size:clamp(26px,2.8vw,40px);line-height:1.25;margin:16px 0 10px;color:#16365c;font-weight:850;word-break:keep-all}.feed-expression h3{font-size:clamp(30px,3.2vw,46px);line-height:1.35;color:#122a48;font-weight:900;word-break:keep-all}.feed-expression .roman{font-size:18px;color:#425c7a;margin:12px 0 20px}.audio-actions{display:flex;gap:12px}.audio-actions button{background:white;color:#165eaf;font-size:17px;border:1px solid #c4d8f0;min-height:46px}.single-feed footer{display:flex;align-items:center;gap:12px;padding:18px 24px;flex-wrap:wrap}.single-feed footer button{font-size:16px}.single-feed footer .primary{margin-left:auto}.single-feed #feed-like{font-size:26px;min-width:48px;padding:5px}.learning-side{padding:24px;background:white;border:1px solid #dfe7f2;border-radius:20px}.learning-side h2{font-size:22px;margin-top:10px}.journey-count{font-size:44px;color:#166cdb;display:block;margin:20px 0}.journey-count small{font-size:19px;color:#516780}.learning-side p{font-size:16px;line-height:1.7;color:#3f5670;margin-top:20px}.learning-side .mission-prompt{font-size:18px;color:#183653;font-weight:750}.feed-discussion{margin-top:24px;background:white;border:1px solid #dae5f3;border-radius:18px;padding:24px}.feed-discussion h2{font-size:24px}.feed-discussion form{display:grid;gap:12px;margin:20px 0}.feed-discussion article{border-top:1px solid #e5eaf1;padding:15px 0}.quiz-card{max-width:820px;margin:0 auto;padding:28px 36px;background:white;border:1px solid #dce7f4;border-radius:24px}.quiz-card h2{font-size:27px;margin-top:12px}.quiz-prompt{font-size:32px;line-height:1.35;font-weight:850;color:#193b63;margin:20px 0 10px}.quiz-status{font-size:14px;color:#42638a}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.quiz-options button{display:flex;align-items:center;text-align:left;gap:16px;padding:19px 16px;min-height:82px;background:white;border:2px solid #dfe7f1;color:#1c3657;font-size:22px;font-weight:800;word-break:keep-all}.quiz-options b{font-size:16px;background:#eef4fc;border-radius:9px;padding:7px 11px}.quiz-options .chosen{border-color:#1672e8;background:#edf5ff}.quiz-options .answer-correct{border-color:#12815b;background:#ebfaf3;opacity:1}.quiz-options .answer-wrong{border-color:#c33951;background:#fff0f2;opacity:1}#check-answer{width:100%;font-size:20px;padding:15px}.quiz-feedback{border-radius:14px;padding:20px;background:#edf5ff;margin-top:20px}.quiz-feedback h3{font-size:23px;display:flex;justify-content:space-between;gap:12px}.quiz-feedback h3 span{font-size:16px;white-space:nowrap}.quiz-feedback p{font-size:21px;margin-top:8px}.quiz-feedback.wrong{background:#fff1f3}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.ranking-head{max-width:900px;margin:10px auto 20px;text-align:center}.ranking-head h2{font-size:38px;margin:12px 0}.ranking-head p{font-size:16px;line-height:1.7;color:#445b76}.rank-period{display:flex;justify-content:center;gap:10px;margin-top:20px}#ranking-data{max-width:900px;margin:auto}.my-rank{display:flex;align-items:center;gap:20px;background:#1672e8;color:#fff;padding:18px 25px;border-radius:18px;font-size:18px}.my-rank strong{font-size:27px}.my-rank b{margin-left:auto}.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.podium article{display:flex;flex-direction:column;align-items:center;text-align:center;border:1px solid #dce6f2;border-radius:20px;background:white;padding:20px 12px;gap:6px;overflow:hidden}.podium-medal{font-size:34px}.rank-country{font-size:30px}.podium h3{font-size:20px;overflow-wrap:anywhere}.podium strong{font-size:30px;color:#1269d9}.podium small{font-size:14px}.rank-list{background:white;border-radius:18px;border:1px solid #dce6f2;overflow:hidden}.rank-row{display:flex;align-items:center;gap:20px;padding:20px;border-bottom:1px solid #e5ecf4;font-size:18px}.rank-row>strong{flex:1;min-width:0;overflow-wrap:anywhere}.rank-row.is-me{background:#ebf4ff}.rank-row small{font-size:13px}.ranking-empty{text-align:center;background:white;border:1px solid #dce6f2;border-radius:20px;padding:50px 20px;margin-top:24px}.ranking-empty>span{font-size:60px}.ranking-empty h3{font-size:25px;margin:15px 0 25px}@keyframes lesson-arrive{from{opacity:.5;translate:10px 0}to{opacity:1;translate:0 0}}@media(prefers-reduced-motion:reduce){.single-feed{animation:none}}@media(max-width:1100px){.feed-layout{grid-template-columns:minmax(0,1fr)}.learning-side{display:none}.learning-mode .content{max-width:850px}.shell.learning-mode{grid-template-columns:86px minmax(0,1fr)}}@media(max-width:600px){.learning-mode .content{padding:8px 14px 24px}.learning-tabs{gap:5px;justify-content:space-between;margin-bottom:14px}.learning-tabs button{font-size:16px;padding:13px 4px}.lesson-pager{gap:5px;margin-bottom:12px}.lesson-pager button{font-size:14px;padding:9px 11px}.lesson-pager label{font-size:12px;gap:4px}.lesson-pager select{width:58px;padding:7px}.single-feed{border-radius:18px}.single-feed header{padding:16px}.lesson-brand{gap:10px;font-size:25px}.lesson-brand>span{font-size:18px}.lesson-brand small{font-size:12px}.day-pill{font-size:12px;padding:8px}.feed-expression{padding:25px 20px;min-height:290px}.feed-expression h2{font-size:28px}.feed-expression h3{font-size:34px}.feed-expression .roman{font-size:16px}.single-feed footer{padding:14px;gap:7px}.single-feed footer button{font-size:14px;padding:10px}.single-feed footer .primary{margin-left:0}.single-feed #feed-like{min-width:36px}.quiz-card{padding:24px 18px;border-radius:18px}.quiz-card h2{font-size:22px}.quiz-prompt{font-size:28px}.quiz-options{grid-template-columns:1fr;gap:9px;margin:20px 0}.quiz-options button{font-size:21px;min-height:65px;padding:12px}.quiz-feedback h3{font-size:20px}.ranking-head h2{font-size:29px}.podium{gap:7px}.podium article{padding:15px 5px}.podium h3{font-size:15px}.podium strong{font-size:25px}.rank-row{gap:10px;padding:17px 12px;font-size:16px}.my-rank{gap:12px;padding:17px;font-size:16px}.learning-mode.chat-open>.chat{width:100%}}
.embedded-learning .sidebar,.embedded-learning .topbar,.embedded-learning .chat{display:none!important}.embedded-learning .shell{display:block;padding:0;min-height:100dvh}.embedded-learning .main{height:100dvh}.embedded-learning .content{padding:10px 14px 20px}
@media(min-width:601px){.learning-mode .topbar{padding:16px 24px}.learning-mode .content{padding-top:10px}.learning-tabs{margin-bottom:14px}.learning-tabs button{padding:11px 4px}.lesson-pager{margin-bottom:14px}.single-feed header{padding:16px 24px}.feed-expression{min-height:260px;padding:24px 30px}.single-feed footer{padding:14px 24px}.learning-side{padding:20px}}
.single-feed{user-select:none}.learning-mode.chat-open .close-chat{display:block}
.feed-expression h2{word-break:normal;overflow-wrap:anywhere}.feed-expression h3,.quiz-options span,.quiz-prompt{overflow-wrap:anywhere}.feed-expression .roman{overflow-wrap:anywhere}.quiz-options button{min-width:0}.quiz-options span{min-width:0}