@import "https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap";
:root{--ink:#183535;--muted:#71817b;--green:#176551;--green-dark:#124d40;--line:#dfe7e0;--paper:#fbfcf8;--wash:#f0f4ed;--font:"Noto Sans KR",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--ink);background:var(--paper);margin:0;font-size:14px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button{color:inherit}button:focus-visible,a:focus-visible{outline-offset:4px;outline:3px solid #dbb76a}input:focus,textarea:focus,select:focus{outline-offset:2px;outline:2px solid #72a794}input,textarea,select{max-width:100%}button svg,a svg{flex-shrink:0}.brand{letter-spacing:-1px;align-items:center;gap:10px;font-size:24px;font-weight:800;line-height:1;display:inline-flex}.brand-icon{background:var(--green);color:#fff;border-radius:14px;place-items:center;width:43px;height:43px;display:grid}.brand-ai{color:#5c8e77}.brand small{letter-spacing:1.8px;color:var(--muted);margin-top:7px;font-size:10px;font-weight:500;display:block}.button{background:var(--green);color:#fff;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:14px;padding:15px 23px;font-size:14px;font-weight:600;transition:background .2s;display:inline-flex}.button:hover{background:var(--green-dark)}.button.small{padding:11px 17px;font-size:12px}.button.secondary{border-color:var(--line);color:var(--green);background:#fff}.button.full{width:100%}.text-link{color:var(--green);background:0 0;border:0;align-items:center;gap:8px;padding:0;font-size:13px;display:inline-flex}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;max-width:1232px;height:102px;margin:auto;padding:0 24px;display:flex}.topbar nav{align-items:center;gap:35px;font-size:13px;display:flex}.landing main{max-width:1232px;margin:auto;padding:0 24px}.hero{grid-template-columns:1.12fr 1fr;align-items:center;gap:62px;padding:90px 0 95px;display:grid}.eyebrow{color:#5a806e;letter-spacing:2px;align-items:center;gap:8px;font-size:10px;font-weight:700;display:flex}.eyebrow span{background:#5c9175;border-radius:50%;width:6px;height:6px}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-2.8px;margin:25px 0 22px;font-size:49px;font-weight:700;line-height:1.42}h1 em{color:var(--green);font-style:normal}.hero-description{color:var(--muted);letter-spacing:-.4px;font-size:16px;line-height:1.9}.hero-actions{align-items:center;gap:25px;margin-top:34px;display:flex}.hero-note{color:#89968b;align-items:center;gap:7px;margin-top:20px;font-size:11px;display:flex}.study-card{background:#fff;border:1px solid #d8e2d6;border-radius:17px;padding:25px 29px;transform:rotate(1deg);box-shadow:0 20px 65px #355b3420}.card-top{color:var(--muted);border-bottom:1px solid #e9eee7;align-items:center;gap:7px;padding-bottom:18px;font-size:11px;display:flex}.dot{background:#83a58e;border-radius:50%;width:6px;height:6px}.sample-badge{background:var(--wash);border-radius:4px;margin-left:auto;padding:4px 7px;font-size:10px}.sample-question{background:#f1f4ee;border-radius:12px 12px 2px;margin:22px 0 20px 52px;padding:14px 18px;font-size:16px;font-weight:500;line-height:1.7}.sample-answer{gap:12px;font-size:12px;line-height:1.9;display:flex}.sample-answer strong{font-size:12px}.sample-answer p{color:#6b7a72;margin:7px 0}.tiny-icon{width:28px;height:28px;color:var(--green);background:#e9f1e8;border-radius:8px;flex-shrink:0;place-items:center;display:grid}.stars-diagram{background:#fafaf4;border-radius:10px;justify-content:center;align-items:center;gap:36px;margin:18px 0 16px 40px;padding:20px;display:flex}.stars-diagram>div{flex-direction:column;align-items:center;gap:5px;font-size:10px;display:flex}.stars-diagram b{margin-top:6px;font-weight:500}.stars-diagram small{color:#7d8678}.star{background:radial-gradient(circle at 40% 35%,#fae6a5,#e6af50);border-radius:50%;display:block;box-shadow:0 0 18px #f5d49450}.star-small{width:34px;height:34px;margin:17px 0}.star-large{width:68px;height:68px}.diagram-arrow{color:#a3aea0}.concept-line{color:#75836d;align-items:center;gap:10px;margin-left:40px;font-size:10px;display:flex}.concept-line strong{color:#55754f}.concept-line>span{background:#f1f4ec;border-radius:3px;margin-left:auto;padding:3px 6px;font-size:9px}.how-section{border-top:1px solid var(--line);padding-top:42px}.section-heading h2{letter-spacing:-1px;margin:13px 0 8px;font-size:27px}.section-heading>p{color:var(--muted);font-size:13px}.feature-grid{grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px;display:grid}.feature-grid article{border:1px solid var(--line);background:#fff;border-radius:11px;padding:24px;position:relative}.feature-grid svg{color:#628572;width:22px}.feature-grid h3{letter-spacing:-.3px;margin:20px 0 10px;font-size:15px}.feature-grid p{color:var(--muted);margin:0;font-size:12px;line-height:1.9}.step{color:#afbdae;font-size:13px;position:absolute;top:22px;right:25px}.early-note{color:var(--muted);margin:27px 0 45px;font-size:11px;line-height:1.8}.early-note span{color:#668472;margin-right:13px;font-weight:600}footer{border-top:1px solid var(--line);align-items:center;gap:30px;max-width:1184px;margin:auto;padding:27px 0;display:flex}footer .brand{font-size:17px}footer .brand-icon{border-radius:10px;width:32px;height:32px}footer .brand small{font-size:8px}footer p{color:var(--muted);margin:0;font-size:11px}footer>small{color:var(--muted);margin-left:auto;font-size:10px}.auth-page{grid-template-columns:1fr 1fr;min-height:100dvh;display:grid}.auth-intro{background:#edf2e8;flex-direction:column;justify-content:space-between;padding:55px 70px;display:flex}.auth-intro h1{font-size:48px}.auth-intro p{color:var(--muted);font-size:17px;line-height:1.9}.auth-form{width:100%;max-width:440px;margin:auto;padding:60px 35px}.auth-icon{color:var(--green);width:30px;height:30px;margin-bottom:22px}.auth-form h2{letter-spacing:-1px;margin-bottom:12px;font-size:27px}.auth-form>p{color:var(--muted);font-size:12px;line-height:1.8}.auth-form form{margin-top:26px}.auth-form label{margin-bottom:18px;font-size:12px;font-weight:600;display:block}.auth-form input{border:1px solid var(--line);background:#fff;border-radius:7px;width:100%;margin-top:9px;padding:13px 14px;font-weight:400;display:block}.auth-switch{justify-content:space-between;margin-top:10px;display:flex}.auth-switch button{color:var(--muted);background:0 0;border:0;font-size:11px}.form-status{color:var(--green);margin:14px 0;font-size:12px;line-height:1.8}.notice{color:#637653;background:#eff4e9;border:1px solid #dce6d3;border-radius:8px;padding:13px 15px;font-size:12px;line-height:1.8}.notice.compact{padding:8px 13px}.muted{color:var(--muted);font-size:12px;line-height:1.8}.center-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;min-height:100dvh;padding:30px;display:flex}.center-state h1{letter-spacing:-1px;margin:12px 0;font-size:28px}.center-state p{color:var(--muted);line-height:1.8}.workspace{grid-template-columns:267px minmax(0,1fr);height:100dvh;display:grid;overflow:hidden}.sidebar{border-right:1px solid var(--line);background:#f0f3ec;flex-direction:column;min-height:0;padding:27px 19px 17px;display:flex}.sidebar .brand{font-size:22px}.sidebar .brand-icon{width:37px;height:37px}.new-chat{justify-content:flex-start;width:100%;margin:34px 0 25px;padding:12px 15px}.sidebar-label{color:#83907c;justify-content:space-between;align-items:center;margin-bottom:12px;padding:0 7px;font-size:11px;display:flex}.sidebar-label button,.account>button{color:#7a8b77;background:0 0;border:none;padding:3px}.thread-list{flex:1;min-height:0;overflow:auto}.thread{text-align:left;background:0 0;border:none;border-radius:7px;align-items:flex-start;gap:8px;width:100%;margin-bottom:4px;padding:12px 8px;font-size:12px;display:flex}.thread.active{color:#285639;background:#e1e9da}.thread:hover{background:#e6ecdf}.thread>svg{color:#849580;flex-shrink:0;margin-top:2px}.thread>span{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.thread small{color:#909a8b;margin-top:5px;font-size:10px;display:block}.thread i{background:#bd9148;border-radius:50%;flex-shrink:0;width:6px;height:6px;margin-top:5px}.account{border-top:1px solid var(--line);align-items:center;gap:10px;padding-top:17px;display:flex}.avatar{color:#4c6744;background:#dde7d3;border-radius:50%;flex-shrink:0;place-items:center;width:33px;height:33px;font-size:12px;display:grid}.account strong{font-size:11px}.account small{color:#8a9683;margin-top:3px;font-size:10px;display:block}.account>button{margin-left:auto}.chat-main{background:#fdfefb;flex-direction:column;min-width:0;min-height:0;display:flex}.chat-header{border-bottom:1px solid #e9ede5;justify-content:space-between;align-items:center;gap:20px;padding:24px 40px;display:flex}.chat-header h2{letter-spacing:-.5px;white-space:nowrap;text-overflow:ellipsis;max-width:65vw;margin:8px 0 0;font-size:16px;overflow:hidden}.chat-header .eyebrow{font-size:8px}.status-pill{white-space:nowrap;color:#7f9075;border:1px solid #e2e8dc;border-radius:20px;align-items:center;gap:6px;padding:6px 10px;font-size:10px;display:flex}.status-pill>span{background:#91a875;border-radius:50%;width:5px;height:5px}.chat-scroll{flex:1;min-height:0;padding:25px 34px;overflow:auto}.chat-welcome{text-align:center;flex-direction:column;align-items:center;max-width:650px;margin:35px auto 0;display:flex}.welcome-icon{color:#709362;background:#edf2e6;border-radius:21px;place-items:center;width:64px;height:64px;margin-bottom:28px;display:grid}.chat-welcome h1{letter-spacing:-1.7px;margin:17px 0;font-size:37px;line-height:1.45}.chat-welcome p{color:#8a9583;font-size:13px;line-height:1.9}.chat-welcome .eyebrow{font-size:8px}.suggestions{flex-direction:column;gap:8px;width:100%;max-width:425px;margin-top:20px;display:flex}.suggestions button{text-align:left;color:#65765b;background:#fff;border:1px solid #e4eadf;border-radius:8px;justify-content:space-between;align-items:center;gap:15px;padding:13px 16px;font-size:12px;display:flex}.suggestions svg{color:#9dac92;flex-shrink:0;transform:rotate(45deg)}.composer-wrap{width:100%;max-width:865px;margin:auto;padding:10px 34px 18px}.composer{background:#fff;border:1px solid #d4dfcb;border-radius:12px;padding:12px 17px;box-shadow:0 4px 16px #274d1910}.composer-top{color:#87977b;align-items:center;gap:7px;display:flex}.composer-top select{color:#617653;background:0 0;border:none;padding:4px 6px;font-size:11px}.composer-top>span{color:#a0aa98;margin-left:auto;font-size:9px}.composer textarea{resize:vertical;width:100%;min-height:72px;max-height:220px;color:var(--ink);border:0;padding:14px 0 3px;font-size:13px;line-height:1.7}.composer textarea:focus{outline:none}.composer textarea::placeholder{color:#a1ac99}.composer-bottom{justify-content:space-between;align-items:center;display:flex}.composer-bottom small{color:#a1ac99;font-size:9px}.send-button{background:var(--green);color:#fff;border:none;border-radius:9px;place-items:center;width:34px;height:34px;display:grid}.composer-hint{color:#9ba690;text-align:center;margin:12px 0 0;font-size:10px;line-height:1.7}.message-list{max-width:755px;margin:auto}.message{margin-bottom:26px;font-size:14px;line-height:1.95}.message-label{color:#71876b;margin-bottom:8px;font-size:10px;font-weight:600}.message-content{white-space:pre-wrap;overflow-wrap:anywhere}.message.user{background:#eff3e9;border-radius:12px 12px 2px;margin-left:15%;padding:16px 20px}.message.assistant,.message.teacher{padding:12px 8px}.message.teacher{background:#eff6ff;border:1px solid #bfd5ed;border-left:4px solid #2563a6;border-radius:12px;padding:20px 22px;box-shadow:0 3px 12px #214f7810}.message.teacher .message-label{color:#20558c;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;font-size:12px;font-weight:700;display:flex}.message.teacher .teacher-reply-badge{color:#fff;background:#2563a6;border-radius:5px;padding:3px 8px;font-size:10px}.message.teacher .message-content{color:#203f60}.message.teacher .correction-register{color:#20558c}.source-line{color:#839477;flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;font-size:10px;display:flex}.review-note{color:#a08145;background:#fcf8ec;border-radius:7px;align-items:center;gap:8px;padding:12px;font-size:11px;display:flex}.thinking{color:#849574;align-items:center;gap:9px;max-width:755px;margin:20px auto;font-size:12px;display:flex}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.teacher-nav{flex-direction:column;gap:7px;margin-bottom:20px;display:flex}.teacher-nav button{text-align:left;background:0 0;border:0;border-radius:7px;align-items:center;gap:10px;padding:10px;font-size:12px;display:flex}.teacher-nav .selected{background:#e1e9da}.teacher-nav span{margin-left:auto;font-size:10px}.review-filter{color:#7f8d75;align-items:center;gap:7px;margin:0 7px 15px;font-size:10px;display:flex}.students{padding:35px 40px;overflow:auto}.students h2{font-size:22px}.students>p{color:var(--muted);font-size:12px;line-height:1.8}.student-row{border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:19px 0;display:flex}.student-row strong{font-size:13px}.student-row small{color:var(--muted);margin-top:5px;font-size:10px;display:block}.student-row .badge{margin-left:auto}.badge{color:#738960;background:#e9f1e4;border-radius:5px;padding:5px 9px;font-size:10px}.badge.amber{color:#9c874c;background:#f8f1df}.empty-panel{text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:10px;margin-top:25px;padding:70px 20px}.error-banner{color:#a35d47;background:#fff2ee;padding:12px 30px;font-size:12px;line-height:1.8}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (min-width:1500px){.hero{padding:120px 0}.chat-welcome{margin-top:70px}}@media (max-width:900px){.hero{gap:28px;padding:60px 0}h1{font-size:37px}.study-card{padding:20px}.hero-actions{flex-wrap:wrap;gap:15px}.auth-intro{padding:45px 35px}.auth-intro h1{font-size:37px}.workspace{grid-template-columns:225px minmax(0,1fr)}.chat-header{padding:22px}.chat-scroll{padding:20px}.composer-wrap{padding:10px 20px 15px}.chat-welcome h1{font-size:30px}.sample-answer strong{font-size:11px}.stars-diagram{gap:24px;margin-left:0}.concept-line{margin-left:0}}@media (max-width:640px){.topbar{height:82px;padding:0 20px}.topbar nav>a:first-child{display:none}.topbar .brand{font-size:21px}.landing main{padding:0 22px}.hero{grid-template-columns:1fr;gap:40px;padding:48px 0 50px}.hero-copy h1{font-size:36px}.hero-description{font-size:14px}.hero-actions{margin-top:26px}.study-card{padding:23px;transform:none}.sample-question{font-size:14px}.sample-answer{font-size:12px}.stars-diagram{margin-left:40px}.feature-grid{grid-template-columns:1fr;gap:12px}.feature-grid article{padding:22px}.feature-grid h3{margin-top:15px}.section-heading h2{font-size:24px}.early-note span{display:block}footer{flex-wrap:wrap;gap:16px;margin:0 22px}footer p{display:none}.auth-page{flex-direction:column;display:flex}.auth-intro{gap:20px;padding:24px}.auth-intro>div,.auth-intro>.text-link{display:none}.auth-form{padding:36px 27px}.workspace{flex-direction:column;height:auto;min-height:100dvh;display:flex;overflow:visible}.sidebar{border-right:0;border-bottom:1px solid var(--line);grid-template-columns:1fr auto;gap:15px;padding:15px 18px;display:grid}.sidebar .brand{font-size:18px}.sidebar .brand-icon{width:32px;height:32px}.sidebar .new-chat{width:auto;margin:0;padding:9px 12px;font-size:11px}.sidebar-label{grid-column:1/-1;margin:0}.thread-list{grid-column:1/-1;max-height:140px}.thread{padding:8px}.account{grid-column:1/-1;padding-top:9px}.teacher-nav{flex-direction:row;grid-column:1/-1;margin:0}.review-filter{grid-column:1/-1;margin:0}.chat-main{min-height:78dvh}.chat-header{padding:18px}.chat-header h2{max-width:62vw;font-size:14px}.chat-scroll{padding:20px 18px;overflow:visible}.chat-welcome{margin-top:16px}.chat-welcome h1{font-size:30px}.chat-welcome p{font-size:12px}.suggestions button{font-size:11px}.composer-wrap{background:#fdfefbf2;padding:15px;position:sticky;bottom:0}.composer-hint{font-size:9px}.students{padding:22px 18px}.student-row{flex-wrap:wrap;gap:9px}.student-row .button{padding:8px 11px;font-size:10px}.message{font-size:13px}.message.user{margin-left:8%}.status-pill{font-size:9px}.composer-top>span{font-size:8px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.footer-links{color:var(--muted);gap:16px;margin-left:auto;font-size:10px;display:flex}.footer-links a:hover{text-decoration:underline}footer>small{margin-left:0}.auth-form{max-width:520px}.auth-legal{color:var(--muted);justify-content:center;gap:15px;margin-top:25px;font-size:10px;display:flex}.auth-legal a:hover{text-decoration:underline}.agreement-list{border:1px solid var(--line);background:#fafcf8;border-radius:9px;margin:20px 0;padding:14px 15px 7px}.agreement-list legend{color:var(--green);padding:0 6px;font-size:11px;font-weight:700}.auth-form .agreement-list label,.agreement-list label{color:#617068;align-items:flex-start;gap:9px;margin:0 0 10px;font-size:10px;font-weight:400;line-height:1.65;display:flex}.auth-form .agreement-list input,.agreement-list input{flex:none;width:15px;height:15px;margin:2px 0 0;padding:0;display:block}.agreement-list a{color:var(--green);text-underline-offset:2px;text-decoration:underline}.agreement-list b{color:#8a6b35;font-weight:600}.auth-form .agreement-list .agreement-all,.agreement-list .agreement-all{color:var(--ink);align-items:center;margin-bottom:12px;font-size:12px}.agreement-all strong{font-size:12px;display:block}.agreement-all small{color:var(--muted);margin-top:2px;font-size:9px;display:block}.auth-form .agreement-list .agreement-all input,.agreement-list .agreement-all input{width:17px;height:17px;margin:0}.agreement-divider{background:var(--line);height:1px;margin:0 0 12px}.consent-page{background:#f0f4ed;place-items:center;min-height:100dvh;padding:40px 20px;display:grid}.consent-card{border:1px solid var(--line);background:#fff;border-radius:16px;width:min(620px,100%);padding:35px;box-shadow:0 18px 55px #2a4a2b12}.consent-card>div h1{margin:25px 0 10px;font-size:28px}.consent-card>div>p{color:var(--muted);font-size:12px;line-height:1.8}.policy-page{min-height:100dvh}.policy-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;max-width:960px;height:92px;margin:auto;padding:0 24px;display:flex}.policy-document{max-width:860px;margin:0 auto;padding:64px 24px 80px}.policy-document>h1{margin:18px 0 8px;font-size:38px}.policy-version{color:var(--muted);margin-bottom:42px;font-size:11px}.policy-lead{background:#eff4ea;border-radius:10px;padding:20px 22px;color:var(--ink)!important;font-size:16px!important}.policy-document section{border-bottom:1px solid var(--line);padding:24px 0}.policy-document section h2{margin-bottom:15px;font-size:18px}.policy-document section p,.policy-document li{color:#586b65;font-size:13px;line-height:1.95}.policy-document ul{padding-left:20px}.policy-document a{color:var(--green);text-underline-offset:3px;text-decoration:underline}.policy-document .text-link{text-decoration:none}.policy-table-wrap{margin:16px 0;overflow-x:auto}.policy-document table{border-collapse:collapse;width:100%;min-width:650px;font-size:11px;line-height:1.7}.policy-document th,.policy-document td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:12px 13px}.policy-document th{color:#496457;background:#eef3ea}.policy-contact{font-weight:700}.policy-footer{border-top:1px solid var(--line);max-width:860px;color:var(--muted);gap:20px;margin:auto;padding:25px 24px;font-size:11px;display:flex}.sidebar{padding-bottom:13px}.sidebar-legal{color:#8c9887;gap:12px;padding:8px 43px 0;font-size:9px;display:flex}.sidebar-legal a:hover{text-decoration:underline}.badge.muted-badge{color:#7d887a;background:#eef0ec}@media (max-width:640px){.footer-links{width:100%;margin-left:0}.auth-form{max-width:none}.consent-card{padding:26px 20px}.consent-card>div h1{font-size:24px}.policy-header{height:78px}.policy-header .brand{font-size:19px}.policy-document{padding:44px 20px 60px}.policy-document>h1{font-size:30px}.policy-footer{flex-wrap:wrap}.sidebar-legal{grid-column:1/-1;padding:0 43px}.agreement-list{padding:12px 12px 4px}}.answer-feedback{color:#839477;align-items:center;gap:10px;margin-top:14px;font-size:10px;display:flex}.answer-feedback>div{gap:6px;display:flex}.answer-feedback button{color:#7a8d70;background:#fff;border:1px solid #dce5d5;border-radius:7px;place-items:center;width:32px;height:29px;display:grid}.answer-feedback button:hover{background:#f2f6ee}.answer-feedback button.selected{color:#356d4d;background:#e2eee0;border-color:#a9c3a2}.answer-feedback button.selected.down{color:#a45747;background:#fff0ec;border-color:#e6b5a7}.feedback-status{color:#527548;background:#edf4e8;border-radius:6px;align-items:center;gap:5px;padding:5px 8px;display:inline-flex}.feedback-status.down{color:#a45747;background:#fff0ec}.feedback-reviews{padding:32px 40px;overflow:auto}.feedback-heading{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px;display:flex}.feedback-heading h2{margin:0 0 7px;font-size:22px}.feedback-heading p{color:var(--muted);margin:0;font-size:12px;line-height:1.7}.feedback-card{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:14px;padding:20px}.feedback-meta{color:var(--muted);align-items:center;gap:10px;margin-bottom:16px;font-size:10px;display:flex}.feedback-meta .badge{align-items:center;gap:5px;display:inline-flex}.feedback-card h3{color:#71876b;margin:13px 0 6px;font-size:10px}.feedback-card p,.feedback-answer{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.75}.feedback-answer{background:#f6f8f3;border-radius:8px;padding:13px}.feedback-card>small{color:var(--muted);margin-top:10px;display:block}.feedback-actions{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}@media (max-width:640px){.teacher-nav{flex-wrap:wrap}.feedback-reviews{padding:22px 18px}.feedback-heading{flex-direction:column;align-items:stretch}.feedback-meta{flex-direction:column;align-items:flex-start}.feedback-card{padding:16px}.feedback-actions{justify-content:stretch}.feedback-actions .button{flex:1}}.review-tabs{border-bottom:1px solid var(--line);gap:7px;margin-bottom:26px;padding-bottom:3px;display:flex;overflow-x:auto}.review-tabs button{white-space:nowrap;color:var(--muted);background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:7px;padding:11px 13px;font-size:11px;display:flex}.review-tabs button.selected{border-bottom-color:var(--green);color:var(--green);font-weight:700}.review-tabs span{text-align:center;background:#edf2e9;border-radius:10px;min-width:21px;padding:2px 6px;font-size:9px}.knowledge-search{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:9px;align-items:center;gap:9px;margin-bottom:8px;padding:7px 8px 7px 13px;display:flex}.knowledge-search input{background:0 0;border:0;flex:1;min-width:0;padding:8px;font-size:12px}.knowledge-search input:focus{outline:0}.knowledge-count{color:var(--muted);margin:0 0 16px;font-size:10px}.knowledge-card{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:14px;padding:20px}.knowledge-meta{align-items:center;gap:9px;margin-bottom:8px;display:flex}.knowledge-meta strong{font-size:11px}.knowledge-meta code{color:#829086;margin-left:auto;font-size:9px}.knowledge-reason{color:#8a7549;background:#faf6ea;border-radius:7px;padding:8px 10px;font-size:10px;line-height:1.6}.knowledge-card label{color:#6f846b;margin-top:13px;font-size:10px;font-weight:700;display:block}.knowledge-card textarea{resize:vertical;border:1px solid var(--line);width:100%;color:var(--ink);background:#fafcf8;border-radius:8px;margin-top:6px;padding:12px;font-size:12px;line-height:1.7;display:block}.button.danger{color:#a45747;border-color:#e5c2b8}.button.danger:hover{background:#fff5f2}@media (max-width:640px){.review-tabs{margin-bottom:20px}.review-tabs button{padding:9px 8px}.knowledge-card{padding:15px}.knowledge-meta{flex-wrap:wrap;align-items:flex-start}.knowledge-meta code{width:100%;margin-left:0}.knowledge-search{flex-wrap:wrap}.knowledge-search input{width:calc(100% - 28px)}.knowledge-search .button{width:100%}}.usage-admin{padding:32px 40px;overflow:auto}.usage-settings{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:22px;padding:20px}.usage-overview{align-items:center;gap:20px;margin-bottom:18px;display:flex}.usage-overview>div:first-child{white-space:nowrap;align-items:baseline;gap:7px;display:flex}.usage-overview span{color:var(--muted);font-size:10px}.usage-overview strong{font-size:22px}.usage-overview small{color:var(--muted);font-size:10px}.usage-meter{background:#e9eee5;border-radius:5px;flex:1;height:7px;overflow:hidden}.usage-meter i{background:var(--green);border-radius:5px;height:100%;transition:width .2s;display:block}.usage-meter.small{width:100%;height:5px;margin-top:7px}.usage-setting-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.usage-setting-grid label,.usage-controls label,.usage-approval label{color:var(--muted);align-items:center;gap:8px;font-size:10px;display:flex}.usage-setting-grid input,.usage-controls input,.usage-approval input{border:1px solid var(--line);min-width:0;color:var(--ink);background:#fafcf8;border-radius:7px;flex:1;padding:10px}.usage-settings-footer{justify-content:space-between;align-items:center;gap:20px;margin-top:18px;display:flex}.usage-settings-footer>small{color:var(--muted);font-size:9px;line-height:1.6}.usage-list-heading{justify-content:space-between;align-items:center;margin:25px 0 10px;display:flex}.usage-list-heading h3{margin:0;font-size:15px}.usage-list-heading span{color:var(--muted);font-size:10px}.usage-student{border:1px solid var(--line);background:#fff;border-radius:11px;grid-template-columns:auto minmax(170px,1fr) minmax(235px,.75fr);align-items:center;gap:14px;margin-bottom:10px;padding:16px;display:grid}.usage-student.pending{border-color:#ddc47e;box-shadow:0 0 0 2px #f8f1df}.usage-student-title{align-items:center;gap:7px;display:flex}.usage-student-title strong{font-size:12px}.usage-student-main p{color:var(--muted);margin:5px 0 0;font-size:10px}.usage-controls{align-items:center;gap:7px;display:flex}.usage-controls label{flex:1}.usage-approval{border-top:1px solid var(--line);grid-column:2/-1;justify-content:flex-end;align-items:center;gap:10px;padding-top:12px;display:flex}.usage-approval label{width:235px}.usage-limit-notice{background:#fff5ea;border:1px solid #ead4a5;border-radius:10px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:10px;padding:13px 15px;display:flex}.usage-limit-notice strong{color:#805d26;font-size:12px}.usage-limit-notice p{color:#8a7549;margin:4px 0 0;font-size:10px}.usage-limit-notice .button{white-space:nowrap}@media (max-width:800px){.usage-admin{padding:22px 18px}.usage-student{grid-template-columns:auto 1fr}.usage-controls,.usage-approval{grid-column:1/-1}.usage-settings-footer{flex-direction:column;align-items:stretch}.usage-setting-grid{grid-template-columns:1fr}.usage-overview{flex-direction:column;align-items:stretch}}@media (max-width:520px){.usage-student{padding:14px}.usage-controls,.usage-approval{flex-direction:column;align-items:stretch}.usage-controls label,.usage-approval label,.usage-controls .button,.usage-approval .button{width:100%}.usage-limit-notice{flex-direction:column;align-items:stretch}.usage-limit-notice .button{width:100%}}.attachment-drafts{gap:9px;padding:12px 0 3px;display:flex;overflow-x:auto}.attachment-drafts>div{border:1px solid var(--line);background:#f4f6f1;border-radius:8px;flex:0 0 86px;height:68px;position:relative;overflow:hidden}.attachment-drafts img{object-fit:cover;width:100%;height:100%}.attachment-drafts button{color:#fff;background:#173f36d9;border:0;border-radius:50%;place-items:center;width:24px;height:24px;display:grid;position:absolute;top:4px;right:4px}.composer-tools{align-items:center;gap:10px;min-width:0;display:flex}.attach-button{color:#607a68;background:0 0;border:0;align-items:center;gap:5px;padding:5px 3px;font-size:10px;display:inline-flex}.attach-button:hover{color:var(--green)}.composer-tools small{white-space:nowrap}.message-images{grid-template-columns:repeat(3,minmax(0,180px));gap:8px;margin-top:12px;display:grid}.message-images a{aspect-ratio:4/3;background:#f2f5ef;border:1px solid #dce5d7;border-radius:9px;display:block;overflow:hidden}.message-images img{object-fit:cover;width:100%;height:100%;display:block}.message-images a:focus-visible{outline-offset:3px;outline:3px solid #dbb76a}@media (max-width:640px){.message-images{grid-template-columns:repeat(3,minmax(0,1fr))}.attachment-drafts>div{flex-basis:76px;height:60px}.composer-tools{gap:6px}.attach-button span{display:none}}.fast-answer-button{color:#4c6a59;white-space:nowrap;cursor:pointer;background:#f7faf4;border:1px solid #d7e3d0;border-radius:8px;align-items:center;gap:5px;padding:6px 9px;font-size:10px;font-weight:600;display:inline-flex}.fast-answer-button:hover:not(:disabled){border-color:#8eae90}.fast-answer-button.selected{color:#155b4c;background:#e7f3ed;border-color:#1a6958}.fast-answer-button:focus-visible{outline-offset:2px;outline:2px solid #1a6958}.fast-answer-button:disabled{opacity:.55;cursor:not-allowed}.fast-answer-note{color:#5e795f;margin:9px 0 0;font-size:10px;line-height:1.6}.header-actions{align-items:center;gap:10px;display:flex}.review-trigger{white-space:nowrap}.students-heading{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:8px;display:flex}.students-heading h2{margin-bottom:8px}.students-heading p{color:var(--muted);margin:0;font-size:12px;line-height:1.8}.students-heading .button{white-space:nowrap}.testimonial-card .feedback-meta strong{color:var(--ink);font-size:12px}.usage-limit-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.modal-backdrop{z-index:100;background:#173f363d;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.review-modal{border:1px solid var(--line);background:#fff;border-radius:16px;width:min(560px,100%);padding:30px;position:relative;box-shadow:0 24px 70px #173f3638}.modal-close{color:var(--muted);background:0 0;border:0;padding:5px;position:absolute;top:18px;right:18px}.review-modal-icon{color:var(--green);margin-bottom:16px}.review-modal h2{margin-bottom:8px;font-size:23px}.review-modal>p{color:var(--muted);margin-bottom:22px;font-size:12px;line-height:1.8}.review-modal label{color:#5f7568;font-size:11px;font-weight:700;display:block}.review-modal textarea{border:1px solid var(--line);resize:vertical;width:100%;color:var(--ink);border-radius:9px;margin-top:8px;padding:13px;line-height:1.7;display:block}.review-modal-footer{justify-content:space-between;align-items:center;gap:15px;margin-top:14px;display:flex}.review-modal-footer small{color:var(--muted);font-size:10px}@media (max-width:640px){.header-actions{gap:6px}.review-trigger{padding:8px 10px!important;font-size:10px!important}.review-trigger svg{display:none}.students-heading{flex-direction:column;align-items:stretch}.students-heading .button{width:100%}.usage-limit-actions{flex-direction:column;align-items:stretch}.review-modal{padding:25px 20px}.review-modal-footer{flex-direction:column;align-items:stretch}.review-modal-footer .button{width:100%}}.usage-statistics{background:#f8faf5;flex:1;min-height:0;padding:32px 38px 50px;overflow:auto}.stats-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px;display:flex}.stats-heading h2{letter-spacing:-1px;margin:12px 0 8px;font-size:28px}.stats-heading p,.stats-panel-heading p{color:#6b7e72;margin:0;font-size:12px;line-height:1.7}.stats-filters{background:#eef3e9;border:1px solid #e0e7da;border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px;padding:14px;display:flex}.stats-filters select,.stats-filters input{color:#294d40;background:#fff;border:1px solid #d7e2d1;border-radius:7px;max-width:100%;padding:10px 12px}.stats-search{color:#72866b;align-items:center;gap:8px;display:flex}.stats-search input{width:180px}.stats-period{color:#63765a;align-items:center;gap:10px;margin-left:auto;font-size:12px;display:flex}.stats-loading{color:#6b7e72;justify-content:center;align-items:center;gap:12px;min-height:260px;display:flex}.stats-scope{color:#2e5342;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;font-size:13px;font-weight:600;display:flex}.stats-scope small{color:#7a8971;font-size:10px;font-weight:400}.stats-kpis{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px;display:grid}.stats-kpis article{background:#fff;border:1px solid #dce6d7;border-radius:13px;flex-direction:column;padding:22px 18px;display:flex;position:relative}.stats-kpis article>svg{color:#91a681;position:absolute;top:20px;right:17px}.stats-kpis article>span{color:#63765e;padding-right:24px;font-size:11px}.stats-kpis strong{letter-spacing:-1px;color:#185c4d;overflow-wrap:anywhere;margin-top:18px;font-size:29px;font-weight:650;display:block}.stats-kpis strong small{letter-spacing:0;color:#72866b;margin-left:5px;font-size:11px;font-weight:400}.stats-kpis p{color:#829076;margin:12px 0 0;font-size:10px;line-height:1.7}.stats-panel{background:#fff;border:1px solid #dce6d7;border-radius:13px;min-width:0;margin-bottom:20px;padding:23px}.stats-panel h3{letter-spacing:-.3px;margin:0 0 8px;font-size:15px}.stats-panel-heading{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.stats-segments{background:#f0f4eb;border-radius:8px;flex-wrap:wrap;gap:3px;padding:4px;display:flex}.stats-segments button{color:#718265;white-space:nowrap;background:0 0;border:0;border-radius:5px;padding:7px 10px;font-size:11px}.stats-segments button[aria-pressed=true]{color:#1b6551;background:#fff;box-shadow:0 1px 5px #213f1920}.stats-chart{width:100%;max-height:280px;display:block;overflow:visible}.stats-chart g:focus{outline:2px solid #c3a462}.stats-chart-readout{color:#68805b;min-height:22px;margin:16px 0 4px;font-size:11px}.stats-chart-empty{color:#7b8d72;place-items:center;min-height:150px;font-size:13px;display:grid}.stats-details summary{color:#687e5c;cursor:pointer;margin-top:10px;font-size:11px}.stats-highlights{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:20px;display:grid}.stats-highlight{background:#f0f5eb;border:1px solid #dce6d7;border-radius:13px;flex-direction:column;min-width:0;padding:22px;display:flex}.stats-small-label{color:#697a59;font-size:11px;line-height:1.8}.stats-highlight>strong{color:#215b45;margin:13px 0;font-size:25px}.stats-highlight p{-webkit-line-clamp:3;overflow-wrap:anywhere;-webkit-box-orient:vertical;margin-bottom:15px;font-size:12px;line-height:1.9;display:-webkit-box;overflow:hidden}.stats-highlight small{color:#718468;margin-top:auto;font-size:10px;line-height:1.8}.stats-highlight .text-link{margin-top:15px;font-size:11px}.stats-breakdowns{grid-template-columns:1fr 1fr;gap:20px;display:grid}.stats-caption{color:#77886c;margin:0 0 20px;font-size:11px;line-height:1.8}.stats-bar-row{margin-top:18px}.stats-bar-row>div:first-child{justify-content:space-between;gap:12px;margin-bottom:8px;font-size:11px;display:flex}.stats-bar-row small{color:#758567;font-size:10px}.stats-bar-track{background:#eef3e9;border-radius:5px;height:8px;overflow:hidden}.stats-bar-track span{background:#84a47b;border-radius:5px;height:100%;display:block}.stats-student-row{text-align:left;background:0 0;border:0;border-bottom:1px solid #e8ede3;align-items:center;gap:10px;width:100%;padding:12px 0;font-size:12px;display:flex}.stats-student-row small{color:#77896e;margin-left:auto;font-size:10px}.stats-reading p{color:#6d7e63;font-size:13px;line-height:2}.stats-table-wrap{overflow-x:auto}.stats-table-wrap table{border-collapse:collapse;text-align:left;width:100%;font-size:11px}.stats-table-wrap th{color:#69815d;white-space:nowrap;background:#f5f8f0;padding:12px 10px;font-size:10px;font-weight:600}.stats-table-wrap td{white-space:nowrap;border-bottom:1px solid #edf1e8;padding:13px 10px}.stats-question-link{color:#245b44;text-align:left;white-space:nowrap;text-overflow:ellipsis;text-underline-offset:4px;background:0 0;border:0;max-width:310px;padding:3px 0;-webkit-text-decoration:underline #c9d8bf;text-decoration:underline #c9d8bf;display:block;overflow:hidden}.stats-method{color:#7a8971;padding:4px 2px;font-size:11px;line-height:1.9}.stats-method strong{color:#5b7251}.stats-method p{margin:8px 0}.composer-keyboard-hint{color:#73856b;text-align:right;margin:0 0 8px;font-size:10px}.stats-nav{margin-top:-8px}@media (max-width:1100px){.usage-statistics{padding:25px 22px}.stats-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.stats-highlights{grid-template-columns:1fr}.stats-highlight p{-webkit-line-clamp:2}.stats-breakdowns{grid-template-columns:1fr}.stats-period{margin-left:0}}@media (max-width:600px){.usage-statistics{padding:20px 14px}.stats-heading{align-items:flex-start}.stats-heading h2{font-size:23px}.stats-heading .button{white-space:nowrap;gap:5px;padding:9px;font-size:10px}.stats-filters{align-items:stretch;gap:9px}.stats-filters>label,.stats-filters select,.stats-search input{width:100%}.stats-kpis{gap:9px}.stats-kpis article{padding:17px 13px}.stats-kpis strong{font-size:24px}.stats-kpis article>svg{display:none}.stats-kpis article>span{padding-right:0}.stats-panel{padding:17px 13px}.stats-panel-heading{flex-direction:column;gap:12px}.stats-scope{flex-direction:column;align-items:flex-start}.stats-question-link{max-width:190px}.stats-chart-readout{font-size:10px}}.stats-period{white-space:nowrap}.sc-browser,.sc-browser-panel{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.sc-view-tabs{background:#f8faf5;border-bottom:1px solid #e1e8db;flex-shrink:0;gap:8px;padding:18px 36px 0;display:flex}.sc-view-tabs button{color:#73866a;background:0 0;border:1px solid #0000;border-bottom-width:3px;border-radius:9px 9px 0 0;justify-content:center;align-items:center;gap:8px;padding:14px 18px;font-size:13px;line-height:1.6;display:flex}.sc-view-tabs button[aria-selected=true]{color:#176551;background:#edf3e7;border-bottom-color:#176551;font-weight:700}.sc-view-tabs button:focus-visible{outline-offset:-3px;outline:2px solid #85a579}.sc-review-tools{align-items:center;gap:18px;margin-bottom:20px;display:flex}.sc-review-tools .sc-search{background:#fff;width:290px}.sc-review-tools>span{color:#73866a;font-size:12px}.sc-review-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.sc-review-cards .sc-conversation-card{background:#fff;margin:0;padding:20px 40px 20px 20px}.sc-review-owner{color:#63765a;margin-bottom:14px;font-size:12px}.sc-review-owner .avatar{flex:0 0 30px;width:30px;height:30px;font-size:12px}.sc-conversation-card .sc-review-owner{align-items:center}.sc-review-cards .sc-conversation-card>strong{display:block}.sc-review-empty{text-align:center;color:#819372;background:#fff;border:1px solid #dce6d7;border-radius:12px;padding:55px 20px}.sc-review-empty h3{color:#456343;margin:18px 0 10px;font-size:16px}.sc-review-empty p{font-size:12px;line-height:1.8}.sc-review-view>.sc-pagination{max-width:380px;margin:24px auto 0}@media (max-width:1100px){.sc-view-tabs{padding:16px 22px 0}.sc-review-cards{grid-template-columns:1fr}}@media (max-width:600px){.sc-view-tabs{gap:5px;padding:12px 14px 0}.sc-view-tabs button{gap:5px;padding:11px 9px;font-size:11px}.sc-view-tabs button svg{flex-shrink:0;width:14px}.sc-review-tools{flex-direction:column;align-items:stretch;gap:10px}.sc-review-tools .sc-search{width:100%}.sc-review-cards .sc-conversation-card{padding:17px 32px 17px 15px}.sc-review-view .sc-heading{flex-wrap:wrap}.sc-review-view .sc-heading h2{font-size:21px}}.student-conversations{background:#f8faf5;flex:1;min-height:0;padding:30px 36px 50px;overflow:auto}.sc-heading{justify-content:space-between;align-items:center;gap:18px;margin-bottom:24px;display:flex}.sc-heading h2{letter-spacing:-1px;margin:12px 0 8px;font-size:26px}.sc-heading p,.sc-export-panel p{color:#6c7e70;margin:0;font-size:12px;line-height:1.8}.sc-heading .button{white-space:nowrap}.sc-export-panel{background:#edf3e7;border:1px solid #dbe6d4;border-radius:14px;margin-bottom:26px;padding:22px}.sc-export-panel h3,.sc-panel-title h3{align-items:center;gap:9px;margin:0 0 8px;font-size:15px;display:flex}.sc-export-controls{flex-wrap:wrap;align-items:center;gap:16px;margin:18px 0 12px;display:flex}.sc-export-controls>span{font-size:12px;font-weight:600}.sc-export-controls label{color:#59705c;align-items:center;gap:8px;font-size:11px;display:flex}.sc-export-controls input{color:#294d40;background:#fff;border:1px solid #cfdcc7;border-radius:7px;min-width:0;padding:9px}.sc-export-panel>small{color:#7b8b72;font-size:10px}.sc-columns{grid-template-columns:minmax(240px,310px) minmax(0,1fr);align-items:start;gap:22px;display:grid}.sc-students-panel,.sc-threads-panel{background:#fff;border:1px solid #dce6d7;border-radius:13px;min-width:0;padding:18px}.sc-panel-title{justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.sc-panel-title h3{overflow-wrap:anywhere;margin:0}.sc-panel-title span{color:#7c8a71;white-space:nowrap;font-size:11px;font-weight:400}.sc-search{color:#859878;border:1px solid #dce6d7;border-radius:7px;align-items:center;gap:8px;padding:9px;display:flex}.sc-search input{color:#294d40;background:0 0;border:0;outline:none;width:100%;min-width:0;font-size:12px}.sc-search:focus-within{outline:2px solid #8eb69d}.sc-selection{justify-content:space-between;gap:8px;margin:10px 0;display:flex}.sc-selection button{color:#66815c;background:0 0;border:0;padding:6px 0;font-size:10px}.sc-student-row{border-bottom:1px solid #edf1e7;border-radius:8px;align-items:center;gap:8px;padding:5px;display:flex}.sc-student-row.selected{background:#edf3e6}.sc-student-row>input,.sc-review-filter input{accent-color:#176551;flex-shrink:0;width:15px;height:15px}.sc-student-row>button{text-align:left;color:#284d40;background:0 0;border:0;flex:1;align-items:center;gap:10px;min-width:0;padding:10px 0;display:flex}.sc-student-row>button>span:nth-child(2){overflow-wrap:anywhere;flex:1;min-width:0}.sc-student-row .avatar{flex:0 0 31px;width:31px;height:31px;font-size:12px}.sc-student-row strong{font-size:13px;font-weight:600;display:block}.sc-student-row small{color:#7a8c70;margin-top:5px;font-size:9px;line-height:1.5;display:block}.sc-student-row>button>svg{flex-shrink:0}.sc-review-filter{color:#7a8b6f;align-items:center;gap:7px;margin:14px 0;font-size:10px;display:flex}.sc-empty{text-align:center;color:#829277;padding:40px 10px;font-size:12px;line-height:1.9}.sc-conversation-card{text-align:left;color:#294d40;background:#fbfcf8;border:1px solid #e1e9db;border-radius:10px;width:100%;margin-top:11px;padding:18px 36px 18px 16px;display:block;position:relative}.sc-conversation-card:hover{background:#f0f5e9;border-color:#bacfb0}.sc-conversation-card>div{flex-wrap:wrap;align-items:flex-start;gap:10px;display:flex}.sc-conversation-card strong{overflow-wrap:anywhere;font-size:13px;line-height:1.7}.sc-conversation-card p{color:#7c8f70;margin:8px 0;font-size:11px}.sc-conversation-card small{color:#849579;font-size:10px}.sc-conversation-card>svg{position:absolute;top:21px;right:13px}.sc-conversation-card .badge{padding:4px 7px;font-size:9px}.sc-pagination{justify-content:space-between;align-items:center;gap:8px;margin-top:22px;display:flex}.sc-pagination>span{color:#849579;font-size:11px}.sc-chat-toolbar{background:#f8faf5;border-bottom:1px solid #e7eddf;flex-shrink:0;justify-content:space-between;align-items:center;gap:14px;padding:12px 34px;display:flex}.sc-chat-toolbar .text-link{text-align:left;align-items:center;gap:7px;font-size:12px;display:flex}.sc-chat-toolbar .button{white-space:nowrap}@media (max-width:1100px){.student-conversations{padding:25px 22px}.sc-columns{grid-template-columns:minmax(210px,260px) minmax(0,1fr);gap:14px}.sc-students-panel,.sc-threads-panel{padding:14px}.sc-chat-toolbar{padding:12px 22px}}@media (max-width:740px){.sc-columns{grid-template-columns:1fr}.sc-students-panel{max-height:350px;overflow:auto}.sc-heading h2{font-size:22px}.student-conversations{padding:22px 14px}.sc-heading{align-items:flex-start}.sc-heading .button{padding:9px;font-size:10px}.sc-export-panel{padding:17px}.sc-export-controls{flex-direction:column;align-items:stretch;gap:12px}.sc-export-controls label{justify-content:space-between}.sc-export-controls .button{width:100%;font-size:11px}.sc-chat-toolbar{flex-wrap:wrap;padding:10px 14px}.sc-chat-toolbar .button{font-size:10px}.sc-conversation-card strong{font-size:12px}}.conversation-owner{color:var(--green);overflow-wrap:anywhere;align-items:center;gap:7px;margin:9px 0 0;font-size:13px;line-height:1.5;display:flex}.conversation-owner svg{flex-shrink:0}.conversation-owner strong{margin-left:5px;font-weight:700}.followup-confirmation{max-width:900px;color:var(--ink);background:#eef4e7;border:1px solid #cfdec5;border-radius:12px;margin:20px auto;padding:22px}.followup-confirmation p{margin-bottom:15px;font-size:14px;line-height:1.8}.followup-confirmation>div{gap:10px;display:flex}.followup-confirmation button{min-width:85px}.correction-review .review-tabs{flex-wrap:wrap}.correction-review .knowledge-search input{flex:1;min-width:0}.correction-comparison{grid-template-columns:1fr 1fr;gap:20px;margin:24px 0;display:grid}.correction-comparison section{background:#f4f7f0;border-radius:14px;min-width:0;padding:20px}.correction-comparison p{white-space:pre-wrap;overflow-wrap:anywhere;max-height:420px;overflow:auto}.correction-images{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:16px 0;display:grid}.correction-images figure{min-width:0;margin:0}.correction-images img{border:1px solid #dde5d7;width:100%;height:auto}.correction-images figcaption{margin-bottom:8px;font-size:13px}.correction-scope{flex-wrap:wrap;gap:14px;margin-bottom:20px;display:flex}.correction-scope label{flex:150px;min-width:0}.correction-scope input,.correction-scope select{width:100%;color:inherit;background:#fff;border:1px solid #dce5d6;border-radius:8px;padding:10px}.correction-check{align-items:flex-start;gap:10px;margin:20px 0;font-size:14px;display:flex!important}.correction-check input{flex:none;width:18px;height:18px}.correction-register{margin:12px 0;font-size:12px}.correction-detail details{margin:20px 0}.correction-detail summary{cursor:pointer;color:#176853}.correction-review .feedback-actions{flex-wrap:wrap}.correction-review .notice{overflow-wrap:anywhere}@media (max-width:760px){.correction-comparison{grid-template-columns:1fr}.correction-scope{flex-direction:column}.correction-scope label{flex:auto}.correction-review .feedback-heading{display:block}.correction-images{grid-template-columns:1fr}}.correction-zoom-button{cursor:zoom-in;background:0 0;border:0;width:100%;padding:0}.correction-image-view{background:#fff;border-radius:16px;flex-direction:column;gap:12px;width:95vw;height:92vh;padding:16px;display:flex}.correction-image-view>button{align-self:flex-end}.correction-image-view>div{flex:1;overflow:auto}.correction-image-view img{width:auto;max-width:none;height:auto;display:block}.correction-approval-error{color:#a33b32;background:#fff2ee;border:1px solid #f3c8c3;border-radius:8px;margin:12px 0 0;padding:12px 14px;font-size:13px;line-height:1.6}.sc-conversation-card .badge.unreviewed{color:#b42323;background:#fff0f0;border:1px solid #efb3b3;align-items:center;gap:5px;font-weight:700;display:inline-flex}.sc-conversation-card .badge.unreviewed:before{content:"";background:currentColor;border-radius:50%;flex-shrink:0;width:6px;height:6px}.sc-heading-actions{flex-wrap:wrap;flex-shrink:0;justify-content:flex-end;align-items:center;gap:8px;display:flex}.sc-bulk-notice{color:#205b4c;background:#edf5ea;border:1px solid #d7e5d0;border-radius:8px;padding:12px 16px;font-size:13px;line-height:1.7}@media (max-width:700px){.sc-heading-actions{flex-shrink:1;justify-content:flex-start}}.students-heading .registration-mode{color:#176b54;align-items:center;gap:6px;font-weight:600;display:flex}.model-badge{color:#58704d;background:#edf2e8;border-radius:5px;margin-left:8px;padding:3px 7px;font-size:10px;font-weight:600;display:inline-block}.model-badge.astra{color:#6840a0;background:#ede9fe;border:1px solid #cfc2ef}.model-confirmation{background:#f7f4ff;border-color:#cfc2ef}.model-confirmation small{color:#65527c;margin-bottom:12px;line-height:1.8;display:block}.model-confirmation>div{flex-wrap:wrap}.contact-fields{border:1px solid var(--line);border-radius:12px;min-width:0;margin:22px 0;padding:18px}.contact-fields legend{color:var(--green);padding:0 8px;font-weight:600}.contact-fields label{margin-bottom:14px;font-size:13px;display:block}.contact-fields input[type=tel],.contact-fields select{box-sizing:border-box;border:1px solid var(--line);width:100%;font:inherit;color:var(--ink);background:#fff;border-radius:8px;margin-top:8px;padding:12px;display:block}.contact-fields p{color:var(--muted);font-size:12px;line-height:1.8}.contact-fields .contact-agreement{align-items:flex-start;gap:10px;margin:14px 0 0;font-size:12px;line-height:1.8;display:flex}.contact-fields .contact-agreement input{flex:0 0 17px;width:17px;height:17px;margin:3px 0 0}.consent-card h1{font-size:26px;line-height:1.4}.consent-card>div>p{line-height:1.8}.sidebar-legal{flex-wrap:wrap}.consent-card h1{word-break:keep-all;letter-spacing:-.04em}.answer-feedback button.send-to-teacher{color:#196754;justify-content:center;align-items:center;gap:5px;width:auto;height:auto;min-height:29px;padding:5px 9px;font-size:11px;display:inline-flex}.answer-feedback button.send-to-teacher.selected{color:#145b49;background:#e5f2ef;border-color:#83b5a6}.stats-outcomes article:first-child{background:#edf5e9;border-color:#bfd4b7}.stats-growth{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.stats-trend{margin-bottom:16px;padding:19px 15px}.stats-trend .stats-caption{margin-bottom:0;font-size:10px}.stats-trend .stats-chart-readout{margin-top:10px;font-size:10px}.stats-trend .stats-chart{min-height:140px}.stats-outcomes+.stats-caption{margin:0 0 22px;line-height:1.9}@media (max-width:1100px){.stats-growth{grid-template-columns:1fr}.stats-trend{padding:20px}.stats-trend .stats-chart{max-height:230px}}@media (max-width:600px){.stats-trend{padding:17px 13px}}.answer-satisfaction{border:1px solid var(--line,#dfe7da);background:#f4f7ef;border-radius:14px;max-width:430px;margin-top:24px;padding:20px}.answer-satisfaction h3{margin:0 0 16px;font-size:16px}.satisfaction-scores{justify-content:space-between;gap:10px;display:flex}.satisfaction-scores button{color:#195d50;width:48px;min-height:44px;font:inherit;cursor:pointer;background:#fff;border:1px solid #cbd8c6;border-radius:10px;font-weight:700}.satisfaction-scores button[aria-pressed=true]{color:#fff;background:#196958;border-color:#196958}.satisfaction-scores button:hover{border-color:#196958}.satisfaction-scores button:disabled{opacity:.6;cursor:wait}.satisfaction-scale{color:#78856f;justify-content:space-between;margin-top:8px;font-size:12px;display:flex}.answer-satisfaction p{color:#6c7f74;margin:14px 0 0;font-size:12px;line-height:1.6}.answer-satisfaction p.error{color:#b94332}.satisfaction-overview{grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0;display:grid}.satisfaction-overview>div{flex-direction:column;gap:6px;display:flex}.satisfaction-overview span{color:#6c7f74;font-size:13px}.satisfaction-overview strong{color:#196958;font-size:28px}.satisfaction-overview small{color:#6c7f74;font-size:12px;font-weight:400}.satisfaction-distribution{gap:12px;display:grid}.satisfaction-distribution>div{grid-template-columns:36px 1fr 60px;align-items:center;gap:12px;font-size:13px;display:grid}.satisfaction-distribution strong{text-align:right}.satisfaction-distribution .stats-bar-track{margin:0}.satisfaction-distribution i{background:#196958;border-radius:8px;height:100%;display:block}@media (max-width:600px){.answer-satisfaction{padding:16px}.satisfaction-scores{gap:6px}.satisfaction-scores button{width:42px}.satisfaction-overview{gap:10px}.satisfaction-overview strong{font-size:22px}}.stats-outcomes-student{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width:600px){.stats-outcomes-student{grid-template-columns:1fr}}.account-password-button{border:1px solid var(--line);width:100%;color:var(--green);font:inherit;text-align:left;background:0 0;border-radius:8px;align-items:center;gap:8px;margin-top:12px;padding:10px 8px;font-size:12px;display:flex}.account-password-button:hover{background:#e1e9da}.password-dialog{border:1px solid var(--line);width:min(440px,100% - 32px);max-height:calc(100dvh - 32px);color:var(--ink);background:#fff;border-radius:16px;margin:auto;padding:30px;position:fixed;overflow:auto;box-shadow:0 24px 70px #173f3638}.password-dialog::backdrop{background:#173f3660}.password-dialog h2{margin:0 25px 12px 0;font-size:23px}.password-dialog>p{color:var(--muted);margin-bottom:22px;font-size:13px;line-height:1.8}.password-dialog fieldset{border:0;min-width:0;margin:0;padding:0}.password-dialog label{margin:18px 0 8px;font-size:13px;font-weight:600;display:block}.password-dialog input{border:1px solid var(--line);width:100%;font:inherit;color:var(--ink);background:#fff;border-radius:8px;padding:12px;font-size:16px;display:block}.password-dialog form .button{margin-top:22px}.password-dialog .password-change-error{color:#a35d47;margin:12px 0 0;font-size:13px;line-height:1.8}.password-dialog .password-change-success{color:var(--green)}@media (max-width:640px){.account-password-button{grid-column:1/-1;margin:0}.password-dialog{padding:26px 22px}}