@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600&display=swap');
:root{--green:#087c69;--deep:#075e51;--mint:#eaf7f2;--ink:#152333;--muted:#75818e;--line:#e7eced;--bg:#f8fafb}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:16px/1.55 Manrope,system-ui,sans-serif}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #82cbb7;outline-offset:4px}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}aside{width:246px;position:fixed;inset:0 auto 0 0;border-right:1px solid var(--line);background:linear-gradient(180deg,#fff,#f2f8f5);padding:30px 20px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;gap:10px;align-items:center;margin:0 6px 38px}.brand-mark{background:var(--green);color:white;border-radius:11px;width:37px;height:40px;display:grid;place-items:center;font:25px 'Noto Sans SC',sans-serif}.brand strong{display:block;font-size:18px;letter-spacing:-.7px}.brand small{display:block;font-size:12px;color:var(--muted)}nav{display:grid;gap:9px}nav a{padding:13px 15px;display:flex;align-items:center;gap:13px;border-radius:9px;font-weight:600;color:#697783;font-size:14px}nav a.active{background:#e4f3ed;color:var(--deep)}.aside-bottom{margin-top:auto;padding:24px 10px 0;color:var(--muted);font-size:13px}.aside-bottom .seal{font:54px 'Noto Sans SC',sans-serif;color:#c6ddd4;margin-bottom:14px}.aside-bottom p{margin:5px 0}.shell{margin-left:246px;padding:0 40px;max-width:1700px}.topbar{height:84px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line)}.mode{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.mode select{background:white;border:1px solid var(--line);border-radius:8px;padding:7px 28px 7px 10px;color:var(--ink);font-weight:600;max-width:195px;font-size:14px}.top-right{display:flex;align-items:center;gap:15px;color:var(--muted);font-size:13px}.top-avatar{width:35px;height:35px;border-radius:50%;background:#e3f1eb;display:grid;place-items:center;color:var(--green);font-weight:800}.demo-dot{width:6px;height:6px;background:#bd944c;border-radius:50%;display:inline-block;margin-right:6px}.main{padding:30px 0 45px;min-height:calc(100vh - 139px)}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.eyebrow{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;margin-bottom:6px}h1{font-size:32px;letter-spacing:-1.15px;line-height:1.25;margin:0 0 7px;font-weight:800}h2{font-size:21px;letter-spacing:-.5px;margin:0}h3{font-size:17px;margin:0 0 9px;line-height:1.4}p{margin:8px 0}.sub,.muted{color:var(--muted)}.sub{margin:0;font-size:15px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid var(--line);border-radius:9px;background:white;padding:11px 17px;font-size:14px;font-weight:700;white-space:nowrap;transition:background .15s}.btn:hover{background:#f0f6f3}.btn.primary{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 3px 6px #087c6915}.btn.primary:hover{background:var(--deep)}.btn.small{padding:7px 12px;font-size:14px}.btn.danger{color:#a94747;background:#fff7f6;border-color:#f1dbd9}.link{border:0;background:none;color:var(--green);font-weight:700;display:inline-flex;align-items:center;gap:7px;padding:4px 0;font-size:14px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px}.stat{background:white;border:1px solid var(--line);border-radius:13px;display:flex;align-items:center;gap:17px;padding:22px}.iconbox{width:51px;height:53px;border-radius:13px;display:grid;place-items:center;background:#edf7f2;color:var(--green);flex-shrink:0}.iconbox svg{width:27px;height:27px}.iconbox.gold{background:#fff8e9;color:#c29329}.iconbox.blue{background:#edf3ff;color:#6183cf}.stat strong{font-size:31px;line-height:1.1;display:block;letter-spacing:-1px}.stat span{font-size:14px;color:var(--muted)}.panel{background:white;border:1px solid var(--line);border-radius:13px;overflow:hidden;margin-bottom:22px}.panel-head{padding:23px 24px 19px;display:flex;align-items:center;justify-content:space-between;gap:16px}.table-wrap{overflow-x:auto;padding:0 22px 12px}table{border-collapse:collapse;width:100%;text-align:left}th{color:#82909a;font-weight:600;font-size:13px;padding:11px 13px;background:#f6f8f9;white-space:nowrap}th:first-child{border-radius:7px 0 0 7px}th:last-child{border-radius:0 7px 7px 0}td{padding:18px 13px;border-bottom:1px solid #eff2f3;font-size:14px}tr:last-child td{border-bottom:0}tr.clickrow:hover{background:#f9fcfb}.person{display:flex;gap:12px;align-items:center}.avatar{width:43px;height:43px;border-radius:50%;background:#e7f4ee;display:grid;place-items:center;color:#177966;font-weight:800;flex-shrink:0;font-size:14px}.avatar.violet{color:#7955a5;background:#f0e9fb}.avatar.peach{color:#a86b50;background:#fff0e6}.avatar.blue{background:#e9effc;color:#4f69ad}.person strong{font-size:14px;font-weight:700}.person small{display:block;font-size:12px;color:var(--muted);margin-top:3px}.han{font-family:'Noto Sans SC',sans-serif;font-size:23px;letter-spacing:0}.badge{display:inline-block;border-radius:6px;padding:6px 10px;background:#eaf7f1;color:#18715e;font-size:13px;font-weight:700;white-space:nowrap}.badge.amber{background:#fff5e4;color:#a2741e}.badge.gray{background:#f0f3f5;color:#73818a}.result-note{display:block;font-size:13px;color:var(--muted);margin-top:5px}.row-action{border:0;background:none;color:#87949a;padding:8px;border-radius:7px;display:inline-flex}.row-action:hover{background:#e8f4ee;color:var(--green)}.bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.soft{background:#fcfaf6;border-color:#eee9df}.mini-list{padding:0 22px 17px}.mini-item{display:flex;gap:13px;align-items:center;padding:15px 0;border-bottom:1px solid #eaeceb}.mini-item:last-child{border:0}.mini-item .content{flex:1}.mini-item p{font-size:14px;color:var(--muted);margin:3px 0}.mini-item strong{font-size:14px}.footer{border-top:1px solid var(--line);padding:18px 0;color:#99a3ab;font-size:12px;display:flex;justify-content:space-between}.filters{display:flex;gap:12px;margin-bottom:19px}.field{display:flex;align-items:center;background:white;border:1px solid var(--line);border-radius:9px;padding:0 13px;gap:10px;flex:1}.field svg{color:#99a3ab}.field input{border:0;outline:0;min-width:0;width:100%;padding:12px 0;background:transparent}.filters select,.select{padding:11px;border:1px solid var(--line);border-radius:9px;background:white;max-width:100%;font-size:14px}.table-foot{padding:12px 25px 19px;color:var(--muted);font-size:13px}.crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:22px}.crumbs a{color:var(--green)}.profile-hero{padding:25px;display:flex;align-items:center;gap:20px}.profile-hero .avatar{width:75px;height:75px;font-size:26px}.profile-hero .grow{flex:1}.profile-hero h1{font-size:27px}.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:24px;gap:30px}.tab{border:0;border-bottom:3px solid transparent;background:none;padding:13px 3px;color:var(--muted);font-weight:700;font-size:14px}.tab.active{color:var(--green);border-color:var(--green)}.notice{background:#f0f5fa;color:#6c8094;border-radius:10px;padding:15px 19px;font-size:14px;margin-bottom:21px;display:flex;gap:12px}.callout{padding:24px;background:#edf7f2;border:1px solid #e1eee7;border-radius:13px;display:flex;align-items:center;justify-content:space-between;gap:20px}.callout p{color:#6b8378;font-size:14px}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px;align-items:start}.report-card{background:white;border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;gap:14px}.report-card .iconbox{width:39px;height:41px;border-radius:10px}.report-card .iconbox svg{width:22px;height:22px}.report-card p,.report-card li{font-size:14px;color:#6a7884;line-height:1.7}.report-card ul{padding-left:18px;margin:9px 0}.report-card h3{font-size:16px}.report-card.full{grid-column:1/-1;background:#f2faf6}.report-card.warning{background:#fffdf8}.example{padding:10px 13px;background:#edf8f2;border-radius:6px;margin:10px 0;font:15px/1.7 'Noto Sans SC',sans-serif}.example.wrong{background:#fcf0ef}.report-column{display:grid;gap:17px}.formgrid{padding:24px;display:grid;gap:18px;grid-template-columns:1fr 1fr}label{display:grid;gap:7px;font-weight:600;font-size:14px}input,textarea{border:1px solid #dce5e2;border-radius:8px;padding:11px 12px;width:100%;color:var(--ink);background:white}textarea{resize:vertical;min-height:110px}label small{font-weight:400;color:var(--muted)}.full-width{grid-column:1/-1}.notes{padding:22px}.note{border-left:3px solid #b7d8ca;padding:10px 17px;background:#f8fbf9;margin-bottom:15px;white-space:pre-wrap}.note small{display:block;color:var(--muted);margin-bottom:7px}.assignment{padding:25px;display:flex;gap:22px;align-items:center}.topic-tile{width:99px;height:106px;background:#eaf5ef;color:var(--green);border-radius:15px;display:grid;place-items:center;font:36px 'Noto Sans SC',sans-serif;flex-shrink:0}.assignment .content{flex:1}.assignment h2{margin:3px 0}.teacher-note{background:#f6f8fa;border-radius:8px;padding:12px 15px;margin-top:15px;font-size:14px}.teacher-note small{display:block;color:var(--muted);margin-bottom:4px}.empty{text-align:center;color:var(--muted);padding:40px 20px}.empty h3{color:var(--ink)}dialog{border:0;border-radius:17px;width:min(510px,calc(100% - 30px));padding:27px;color:var(--ink);box-shadow:0 25px 100px #102c3540}dialog::backdrop{background:#1c343965;backdrop-filter:blur(3px)}dialog header{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}dialog form{display:grid;gap:18px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}.chat-layout{max-width:900px;margin:auto}.chat-header{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}.chatbox{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.messages{padding:25px;min-height:330px;max-height:570px;overflow:auto;display:flex;flex-direction:column;gap:20px}.message{display:flex;gap:12px;max-width:90%;align-items:flex-start}.message .avatar{width:31px;height:31px;font-size:12px}.bubble{background:#f3f7f5;border-radius:0 13px 13px 13px;padding:15px 18px;white-space:pre-wrap;font-size:15px}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.user .bubble{background:#e3f3ec;border-radius:13px 0 13px 13px}.message small{display:block;color:#84918c;font-size:12px;margin-bottom:5px}.composer{padding:17px;border-top:1px solid var(--line);display:flex;gap:11px;align-items:center}.composer input{background:#fafcfb}.chat-start{padding:40px 25px;text-align:center}.chat-start .topic-tile{margin:0 auto 22px}.chat-start p{color:var(--muted);max-width:460px;margin:10px auto 22px}.chat-note{font-size:13px;color:var(--muted);margin:14px 0}.summary{padding:24px;background:#f1f9f4;border:1px solid #d9ebdf;border-radius:12px;margin:20px 0}.summary li{padding:3px 0}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(100px);background:#153d33;color:#fff;padding:13px 22px;border-radius:10px;z-index:99;opacity:0;transition:.2s;max-width:90vw;font-size:14px;pointer-events:none}#toast.show{opacity:1;transform:translateX(-50%)}.inline-actions{display:flex;gap:10px;align-items:center}.profile-detail{padding:25px}.profile-detail dl{display:grid;grid-template-columns:140px 1fr;gap:15px}.profile-detail dt{color:var(--muted)}.profile-detail dd{margin:0}.lesson-count{font-size:13px;color:var(--muted);margin-left:10px}.greeting-sun{color:#d5a134;font-weight:400}.student-stats{display:flex;gap:15px;align-items:center;border-left:1px solid var(--line);padding-left:30px}.student-stats strong{font-size:35px}.student-stats span{display:block;color:var(--muted);font-size:13px}.table-topic small{display:block;color:var(--muted);font-size:13px;max-width:230px}.report-back{margin-top:20px}
@media(min-width:1500px){.shell{padding:0 60px}.main{padding-top:40px}.stat{padding:26px}td{padding-top:21px;padding-bottom:21px}}
@media(max-width:1100px){aside{width:208px;padding:28px 13px}.shell{margin-left:208px;padding:0 25px}.brand{gap:7px}.brand strong{font-size:16px}h1{font-size:28px}.stat{padding:17px;gap:11px}.stat .iconbox{width:40px;height:45px}.report-card{padding:17px;gap:10px}.report-card .iconbox{display:none}.top-right time{display:none}.bottom-grid{gap:15px}}
@media(max-width:760px){aside{position:sticky;top:0;inset:auto;width:100%;padding:11px 17px;flex-direction:row;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);border-right:0;background:#fff}.brand{margin:0}.brand-mark{width:31px;height:33px;font-size:21px}.brand strong{font-size:14px}.brand small{display:none}nav{display:flex;gap:3px}nav a{padding:8px;font-size:12px;gap:5px}nav a svg{width:17px;height:17px}.aside-bottom{display:none}.shell{margin:0;padding:0 18px}.topbar{height:67px}.mode{gap:6px}.mode>span{display:none}.top-right{font-size:12px;gap:8px}.top-avatar{display:none}.main{padding-top:22px}.heading{align-items:flex-start;gap:12px;flex-wrap:wrap}h1{font-size:26px}.sub{font-size:14px}.stats{gap:9px}.stat{padding:15px 12px;display:block}.stat .iconbox{width:30px;height:30px;border-radius:8px;margin-bottom:10px}.stat .iconbox svg{width:19px;height:19px}.stat strong{font-size:26px}.stat span{font-size:12px}.panel-head{padding:19px 17px}h2{font-size:18px}.table-wrap{padding:0 10px 9px}td{padding:14px 9px}th{padding:10px 9px}.bottom-grid{grid-template-columns:1fr;gap:0}.filters{flex-wrap:wrap}.filters .field{flex-basis:100%}.filters select{flex:1;min-width:0}.profile-hero{padding:19px;gap:13px;flex-wrap:wrap}.profile-hero .avatar{width:54px;height:54px;font-size:20px}.profile-hero h1{font-size:22px}.profile-hero .btn{width:100%}.tabs{gap:14px}.tab{font-size:14px}.callout{align-items:flex-start;flex-direction:column;padding:20px}.report-grid{grid-template-columns:1fr}.report-card{padding:20px}.report-card .iconbox{display:grid}.report-column{display:contents}.report-card[data-order="1"]{order:1}.report-card[data-order="2"]{order:2}.report-card[data-order="3"]{order:3}.report-card[data-order="4"]{order:4}.report-card[data-order="5"]{order:5}.report-card[data-order="6"]{order:6}.report-card[data-order="7"]{order:7}.assignment{padding:20px;gap:15px;flex-wrap:wrap}.topic-tile{width:60px;height:70px;font-size:27px}.assignment .content{min-width:190px}.assignment>.btn{width:100%}.student-stats{border:0;border-top:1px solid var(--line);width:100%;padding:15px 0 0}.student-stats strong{font-size:25px}.student-stats span{display:inline;margin-left:8px}.formgrid{grid-template-columns:1fr;padding:18px}.top-right .demo-text{max-width:85px;line-height:1.4}.chat-header h2{font-size:18px}.chat-header .btn{font-size:13px;padding:8px}.messages{padding:17px;max-height:55vh}.message{max-width:100%;gap:8px}.bubble{padding:13px;font-size:14px}.message .avatar{display:none}.composer{padding:12px;gap:7px}.composer .btn{padding:11px}.composer .send-label{display:none}.footer span:last-child{display:none}.hide-mobile{display:none}.crumbs{flex-wrap:wrap}.profile-detail dl{grid-template-columns:1fr;gap:5px}.profile-detail dd{margin-bottom:14px}}
[hidden]{display:none!important}
@media(max-width:760px){.mini-item{flex-wrap:wrap}.mini-item .content{min-width:140px}.mini-item .btn{margin-left:56px}nav a span span{display:none}.table-wrap table{min-width:550px}.topbar .mode select{max-width:185px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}