:root{--paper:#f7f5ef;--ink:#28362e;--muted:#7b8077;--line:#e3e4db;--green:#3b5849;--lavender:#e8e2f2;--white:#fffefa;--error:#a33635;--sidebar:278px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #9aafd0;outline-offset:3px}button{border:0}input,textarea{border:1px solid var(--line);border-radius:10px;background:var(--white);padding:12px;min-width:0}label{display:grid;gap:7px;font-size:13px;font-weight:600}form label+label{margin-top:17px}input{width:100%}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-1.5px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:700;color:var(--muted)}.wordmark{display:flex;gap:9px;align-items:center;font-size:23px;font-weight:650;letter-spacing:-1px;white-space:nowrap}.brand-dot{font-size:17px;color:#9aab86;margin-left:2px}.primary{display:flex;justify-content:space-between;align-items:center;width:100%;padding:15px 19px;background:var(--green);color:white;border-radius:10px;font-weight:600;margin-top:22px}.secondary{border-radius:9px;background:var(--green);color:white;padding:12px 16px}.error{color:var(--error);font-size:13px;line-height:1.5;margin:12px 0 0}.error:empty{display:none}.small-note{font-size:12px;color:var(--muted);line-height:1.8;text-align:center;margin:28px 0 0}.login-view{display:grid;grid-template-columns:1fr 1fr;min-height:100dvh}.login-art{background:#e8eddf;padding:45px 60px;display:flex;flex-direction:column;position:relative;overflow:hidden}.art-copy{margin:auto 0;padding:65px 0 25px}.art-copy h1{font-size:76px;line-height:1.05;margin:22px 0}.art-copy p{color:#667567;font-size:17px;line-height:1.8}.privacy-note{font-size:12px;color:#72806b;margin:20px 0 0}.book-art{height:230px;position:relative;width:310px;margin-top:22px}.book{background:#776a96;border-radius:4px 13px 13px 4px;width:166px;height:208px;transform:rotate(-13deg);position:absolute;left:37px;top:10px;border-left:9px solid #62587e;box-shadow:6px 14px 22px #37432815;font:30px/1.2 Georgia,serif;color:#f6f2e8;padding:30px 16px}.book.small{background:#d2ab61;border-color:#bf9551;transform:rotate(12deg);left:175px;top:54px;width:140px;height:160px;font-size:24px}.book-art>span{position:absolute;font-size:90px;right:-85px;top:-28px;color:#718662}.login-panel{display:grid;place-items:center;padding:40px}.login-card{width:min(360px,100%)}.login-card h2{font-size:36px;line-height:1.15;margin:15px 0 12px}.login-card>p{color:var(--muted);font-size:14px}.login-card form{margin-top:30px}.setup-note{padding:18px;background:#e8eddf;border-radius:10px;margin-top:20px;font-size:13px;line-height:1.6}.setup-note p{margin:5px 0 0}.app-layout{height:100dvh;display:grid;grid-template-columns:var(--sidebar) 1fr}.sidebar{border-right:1px solid var(--line);background:#eeeee5;padding:27px 21px 18px;display:flex;flex-direction:column;height:100dvh}.new-chat{background:var(--green);color:white;border-radius:9px;display:flex;gap:10px;align-items:center;padding:13px 14px;font-size:13px;font-weight:600;margin-top:31px}.new-chat span:first-child{font-size:22px;font-weight:300}.new-chat span:last-child{margin-left:auto;font-size:17px}.history-heading{margin-top:34px;display:flex;justify-content:space-between;align-items:center}.history-search{margin:15px 0 10px;background:transparent;font-size:12px;border-color:#dce0d4}.history{flex:1;overflow:auto;margin:0 -7px}.history-item{display:flex;align-items:center;gap:10px;padding:12px 11px;border-radius:8px;background:none;width:100%;text-align:left;font-size:12px}.history-item:hover,.history-item.active{background:#dfe6d8}.history-item span:first-child{font-size:16px;color:#818b76}.history-item div{overflow:hidden}.history-item strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.history-item small{display:block;font-size:10px;color:#82877a;margin-top:5px}.history-empty{color:#8b9082;font-size:12px;padding:10px;line-height:1.7}.sidebar-bottom{padding-top:15px}.little-note{display:flex;gap:11px;padding:15px 9px 20px;border-bottom:1px solid #dfe2d7;margin-bottom:12px}.little-note>span{color:#889a74;font-size:22px}.little-note p{font:italic 15px/1.6 Georgia,serif;margin:0;color:#77816d}.plain{width:100%;background:none;text-align:left;font-size:12px;padding:12px 4px;color:#6f796b}.profile{display:flex;align-items:center;gap:10px;margin-top:12px}.avatar{display:grid;place-items:center;background:#d6e1cf;color:#4e6247;width:35px;height:35px;border-radius:50%;font-size:13px;font-weight:600;flex-shrink:0}.profile>div{flex:1;min-width:0}.profile strong{font-size:12px;display:block;overflow:hidden;text-overflow:ellipsis}.profile small{color:var(--muted);font-size:10px;display:block;margin-top:3px}.icon-button{background:none;border-radius:8px;min-width:36px;min-height:36px;font-size:20px;display:inline-grid;place-items:center}.icon-button:hover,.text-button:hover{background:#dfe5d930}.study-main{min-width:0;display:flex;flex-direction:column;height:100dvh}.topbar{display:flex;gap:14px;align-items:center;justify-content:space-between;min-height:93px;padding:19px 38px;border-bottom:1px solid var(--line)}.topbar h2{font:500 15px/1.4 system-ui,sans-serif;letter-spacing:-.2px;margin:7px 0 0;max-width:500px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tutor-badge{display:flex;align-items:center;gap:9px;border:1px solid #dce3d3;border-radius:22px;padding:9px 13px;font-size:11px;white-space:nowrap;background:#eef1e7}.tutor-badge>span:first-child{font-size:16px;color:#81986a}.status-dot{width:5px;height:5px;background:#7a9569;border-radius:50%}.connection-note{font-size:12px;text-align:center;color:#7d816f;background:#eeeedd;padding:9px 15px;line-height:1.5}.connection-note.ready{background:transparent;color:#85907f;padding:8px}.chat-scroll{flex:1;min-height:0;overflow:auto;scroll-behavior:smooth}.welcome{max-width:790px;padding:38px 28px 26px;margin:auto;text-align:center}.welcome-symbol{display:grid;place-items:center;width:59px;height:59px;background:#e8eddf;border-radius:19px;font-size:43px;color:#79896d;margin:0 auto 21px}.welcome h1{font-size:42px;line-height:1.2;margin:14px 0 14px}.welcome>p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:27px}.subject-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;text-align:left}.subject-card{position:relative;padding:18px 22px 18px 66px;min-height:98px;border:1px solid var(--line);background:#fffefa8a;border-radius:11px;text-align:left}.subject-card:hover{background:#fffefa;border-color:#a6b89a;transform:translateY(-1px)}.subject-icon{position:absolute;left:18px;top:23px;border-radius:9px;width:34px;height:37px;display:grid;place-items:center;font-size:25px}.math{background:#ece6f4;color:#897298}.science{background:#e5eddf;color:#7b9367}.reading{background:#f4e7d3;color:#b5915b;font:18px Georgia,serif}.writing{background:#e1e8eb;color:#7c99a0}.subject-card strong{font-size:13px;font-weight:600;display:block;padding-right:15px;margin:5px 0 8px}.subject-card small{font-size:10px;color:var(--muted)}.subject-card .arrow{position:absolute;right:15px;top:15px;font-size:17px;color:#8d9483}.welcome-foot{display:flex;gap:14px;align-items:center;justify-content:center;margin:27px 0 0}.welcome-foot>span{font-size:27px;color:#91a27c}.welcome-foot p{text-align:left;font-size:11px;color:#989b8f;line-height:1.8;margin:0}.welcome-foot strong{color:#777e6c;font-weight:500}.composer-area{width:100%;max-width:824px;margin:0 auto;padding:14px 28px max(14px,env(safe-area-inset-bottom))}.composer-tools{display:flex;align-items:center;gap:12px;justify-content:space-between;margin:0 5px 10px}.subject-select-label{display:flex;align-items:center;gap:8px;font-size:10px;font-weight:400;color:#969b8c}.subject-select-label select{border:0;background:none;font-size:11px;color:#5f6f59;max-width:120px}.quiet-label{font:italic 12px Georgia,serif;color:#979d8d;margin-left:auto}.text-button.disabled{opacity:.48;pointer-events:none;cursor:default}.text-button{background:none;font-size:11px;padding:8px 6px;min-height:36px;border-radius:8px}.composer{background:var(--white);border:1px solid #daddce;border-radius:15px;padding:12px 16px 11px;box-shadow:0 3px 10px #373f3110}.composer textarea{width:100%;border:0;padding:2px 3px;resize:vertical;min-height:48px;max-height:180px;background:transparent;font-size:14px;line-height:1.6;outline-offset:0}.composer textarea::placeholder{color:#a2a598}.composer-bottom{display:flex;justify-content:space-between;align-items:center}.photo-actions{display:flex;align-items:center;gap:4px;color:#8d9780}.photo-hint{font-size:9px;color:#a1a492;margin-left:5px}.send-button{border-radius:9px;width:35px;height:35px;background:var(--green);color:white;font-size:22px}.quick-actions{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}.quick-actions button{padding:7px 12px;border:1px solid #e0e4d7;background:transparent;border-radius:18px;font-size:10px;color:#858c7a}.quick-actions button:hover{background:#e9eddf}.composer-disclaimer{font-size:9px;line-height:1.6;color:#a1a596;margin:13px 0 0;text-align:center}.messages{max-width:780px;margin:auto;padding:24px 28px 10px}.message{display:flex;gap:13px;margin-bottom:27px}.message-avatar{background:#e6ebdb;border-radius:9px;width:32px;height:32px;flex-shrink:0;display:grid;place-items:center;color:#809367;font-size:20px}.message.user .message-avatar{background:#e9e3f1;font-size:12px;color:#8a739e}.message-content{min-width:0;flex:1}.message-content>strong{font-size:11px;font-weight:600;display:block;margin:7px 0 10px}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.85;color:#4b594e}.message-photo{max-width:min(280px,100%);max-height:250px;object-fit:contain;display:block;border:1px solid var(--line);border-radius:10px;margin:10px 0}.thinking{display:flex;align-items:center;gap:12px;max-width:780px;margin:0 auto;padding:0 28px 24px;font-size:12px;color:#929a85}.mini-logo{font-size:23px;color:#829768}.dots{animation:pulse 1.4s infinite}.attachment{display:flex;align-items:center;gap:12px;background:#f0f2e9;border-radius:8px;padding:9px;margin-bottom:10px}.attachment img{width:49px;height:49px;object-fit:cover;border-radius:5px}.attachment strong,.attachment small{display:block;font-size:11px}.attachment small{font-size:10px;color:var(--muted);margin-top:5px}.attachment button{margin-left:auto}.settings-dialog{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:18px;width:min(850px,calc(100% - 28px));max-height:90dvh;padding:30px}.settings-dialog::backdrop{background:#28362e70}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.dialog-heading h2{font-size:29px;margin:8px 0 14px}.settings-dialog>p{color:var(--muted);font-size:13px;line-height:1.6}.settings-columns{display:grid;grid-template-columns:1fr 1fr;gap:38px;margin-top:27px}.settings-dialog h3{font-size:13px;font-weight:600}.settings-dialog label{font-size:12px}.settings-dialog form{margin-top:25px}.verification-box{border:1px solid var(--line);background:var(--white);border-radius:10px;padding:19px;font-size:12px;line-height:1.6}.verification-box strong{display:block;margin-bottom:10px}.verification-box .secondary{width:100%;font-size:12px;margin-top:16px}.verification-box p{margin:12px 0 0;color:var(--muted)}.kid-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.kid-row small{display:block;color:var(--muted);margin-top:4px}.kid-row button{font-size:10px}.teaching-note{background:#e8eddf;border-radius:11px;padding:22px;margin-top:20px}.teaching-note>span{font-size:24px;color:#83956f;display:block;margin-bottom:14px}.teaching-note p{font-size:12px;line-height:1.7;color:#6e7d63;margin-bottom:10px}.small-dialog{width:min(440px,calc(100% - 28px))}.mobile-only{display:none}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@keyframes pulse{50%{opacity:.3}}@media(min-width:1500px){.welcome{padding-top:80px}.welcome h1{font-size:48px}.subject-card{min-height:113px}.composer-area{padding-bottom:25px}}@media(max-width:1050px){:root{--sidebar:244px}.sidebar{padding-left:17px;padding-right:17px}.wordmark{font-size:21px}.topbar{padding:18px 25px}.welcome h1{font-size:34px}.welcome{padding:30px 24px 20px}.subject-card{padding-left:55px;padding-right:15px}.subject-icon{left:13px}.subject-card small{font-size:9px}.art-copy h1{font-size:60px}.login-art{padding:35px}.book-art{transform:scale(.85);transform-origin:left top}}@media(max-width:760px){.login-view{grid-template-columns:1fr}.login-art{padding:23px;min-height:230px}.art-copy{padding:25px 0 0}.art-copy h1{font-size:38px;margin:12px 0}.art-copy>p,.book-art,.privacy-note{display:none}.login-panel{padding:32px 25px}.login-card h2{font-size:30px}.app-layout{grid-template-columns:1fr}.sidebar{position:fixed;left:0;top:0;width:278px;z-index:20;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.scrim{display:block;position:fixed;inset:0;width:100%;height:100%;background:#28362e70;z-index:19;border-radius:0}.mobile-only{display:inline-grid}.topbar{padding:14px 17px;min-height:78px;gap:9px}.topbar>div:first-of-type{flex:1;min-width:0}.topbar h2{font-size:13px;max-width:175px}.topbar .eyebrow{font-size:8px}.tutor-badge{font-size:9px;padding:8px 10px;gap:6px}.tutor-badge>span:first-child{font-size:13px}.connection-note{font-size:10px}.welcome{padding:30px 19px 10px}.welcome-symbol{width:46px;height:46px;font-size:34px;border-radius:14px;margin-bottom:19px}.welcome .eyebrow{font-size:8px}.welcome h1{font-size:32px;max-width:330px;margin:13px auto}.welcome>p{font-size:12px;margin-bottom:22px}.subject-grid{gap:8px}.subject-card{min-height:133px;padding:13px 12px 14px}.subject-icon{position:static;width:28px;height:30px;font-size:21px;margin-bottom:12px}.subject-card strong{font-size:11px;margin:0 0 6px;padding-right:0}.subject-card small{font-size:9px;line-height:1.5;display:block}.subject-card .arrow{top:12px;right:11px;font-size:15px}.welcome-foot{margin:20px 0 13px;gap:10px}.welcome-foot p{font-size:9px}.composer-area{padding:10px 16px max(13px,env(safe-area-inset-bottom))}.composer{padding:10px 12px}.composer textarea{font-size:16px;min-height:50px}.quick-actions{gap:5px;margin-top:10px}.quick-actions button{font-size:9px;padding:7px 9px;min-height:32px}.photo-hint{display:none}.composer-disclaimer{font-size:8px;margin-top:9px}.quiet-label{font-size:10px}.messages{padding:25px 18px 10px}.message{gap:10px}.message-body{font-size:14px}.settings-dialog{padding:22px}.settings-columns{grid-template-columns:1fr;gap:25px}.thinking{padding:0 18px 22px;font-size:11px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(min-width:761px) and (max-height:800px){.welcome{padding:18px 28px 16px}.welcome-symbol,.welcome-foot{display:none}.welcome h1{font-size:34px;margin:10px 0}.welcome>p{font-size:12px;margin-bottom:20px}.subject-card{min-height:82px;padding-top:12px;padding-bottom:12px}.subject-icon{top:17px}}
@media(max-width:760px) and (max-height:850px){.welcome{padding-top:18px}.welcome-symbol{width:32px;height:32px;font-size:26px;margin-bottom:12px;border-radius:10px}.subject-card{min-height:111px}.subject-icon{margin-bottom:8px}.welcome-foot{display:none}.welcome>p{margin-bottom:17px}}
@media(pointer:coarse){.icon-button,.send-button{min-width:44px;min-height:44px}.text-button{min-height:44px}.profile{gap:6px}.quick-actions button{min-height:44px}.composer-tools select{min-height:32px;font-size:13px}}