:root{--blue:#3465e9;--blue-dark:#234cb5;--navy:#192d50;--text:#293a55;--muted:#7c899d;--line:#e8edf4;--bg:#f6f8fc;--pale:#edf3ff;--green:#258a70;--orange:#df9751;--radius:18px;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--text);font-size:15px;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{text-decoration:none;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #88a9ff;outline-offset:3px}button{border:0;background:none;color:inherit}input,select,textarea{min-width:0}h1,h2,h3,h4,p{margin:0}h1{font-size:28px;font-weight:650;letter-spacing:-.7px;color:var(--navy)}h2{font-size:20px;color:var(--navy);font-weight:650}h3{font-size:17px;font-weight:650;color:var(--navy)}p{line-height:1.8}img{max-width:100%;display:block}svg.icon{width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:750;letter-spacing:-.5px;color:var(--navy);white-space:nowrap}.brand-mark{height:37px;width:37px;border-radius:12px;display:grid;place-items:center;background:var(--blue);color:white}.brand-mark svg{width:24px;height:24px;fill:currentColor;stroke:none}.brand small{font-size:11px;letter-spacing:1.9px;color:var(--muted);display:block;margin-top:3px;font-weight:500}.preview-bar{height:36px;background:#192b4a;color:#bfcbe0;padding:0 24px;display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:10px}.preview-bar>div{display:flex;align-items:center;gap:15px}.preview-bar a{padding:5px 13px;border-radius:6px;white-space:nowrap}.preview-bar a.active{background:#3b5071;color:white}.preview-bar .preview-label{letter-spacing:.8px}.demo-label{display:inline-flex;align-items:center;font-size:12px;font-weight:400;color:#8896aa;border:1px solid var(--line);border-radius:6px;padding:3px 7px;background:white}.btn{min-height:41px;padding:10px 17px;display:inline-flex;align-items:center;justify-content:center;gap:9px;white-space:nowrap;border-radius:10px;background:white;border:1px solid #dfe6f0;font-weight:550;font-size:14px;transition:background .15s,transform .15s}.btn:hover{background:#f1f5fc}.btn.primary{color:white;background:var(--blue);border-color:var(--blue);box-shadow:0 5px 12px #3465e91a}.btn.primary:hover{background:#2a57d0}.btn.large{min-height:51px;padding:13px 24px;font-size:16px;border-radius:13px}.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn.small{min-height:33px;padding:6px 11px;font-size:13px;border-radius:7px}.btn.wide{width:100%}.btn svg{width:17px;height:17px}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:12px}.blue{color:var(--blue)}.green{color:var(--green)}.orange{color:var(--orange)}.bold{font-weight:600}.spacer{flex:1}.avatar{width:37px;height:37px;border-radius:50%;background:#e5edff;color:#5174bb;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.avatar.peach{background:#fff0e1;color:#c99462}.avatar.mint{background:#e6f3ec;color:#55977c}.avatar.pink{background:#f7eafa;color:#aa75ae}.avatar.small-avatar{width:31px;height:31px;font-size:12px}.icon-btn{height:37px;width:37px;display:inline-flex;align-items:center;justify-content:center;color:#74849b;border-radius:10px}.icon-btn:hover{background:#edf2f9}.tag{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:6px;background:#edf3ff;color:#5777bd;font-size:12px;white-space:nowrap}.tag.green{background:#eaf6f0;color:#258a70}.tag.amber{background:#fff5e7;color:#bd8439}.tag.gray{background:#f0f3f7;color:#8692a4}.tag.purple{background:#f0edff;color:#886bbc}.dot{height:6px;width:6px;display:inline-block;background:currentColor;border-radius:50%}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.panel-head{padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-body{padding:0 24px 24px}.progress{height:5px;background:#eaf0f7;border-radius:8px;overflow:hidden}.progress>span{height:100%;background:var(--blue);display:block;border-radius:8px}.section-title{display:flex;align-items:center;justify-content:space-between;margin:27px 0 17px;gap:12px}.section-title a,.text-link{color:var(--muted);font-size:14px;display:inline-flex;align-items:center;gap:7px}.text-link:hover{color:var(--blue)}.chip-group{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:8px 17px;border-radius:9px;font-size:14px;background:white;color:#7a8799;border:1px solid var(--line)}.chip.active{background:var(--pale);border-color:#dce7ff;color:var(--blue)}.field{display:flex;flex-direction:column;gap:9px;margin-bottom:20px}.field label{font-size:14px;font-weight:550}.input,.field input,.field select,.field textarea{width:100%;border:1px solid #e0e6ee;border-radius:9px;padding:11px 13px;background:white;color:var(--text);font-size:14px}.field textarea{resize:vertical;min-height:120px;line-height:1.9}.input::placeholder,input::placeholder{color:#a4aebd}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:17px}.search-box{display:flex;align-items:center;gap:9px;background:#f6f8fc;padding:9px 13px;border-radius:9px;color:#98a5b8;font-size:14px}.search-box input{border:0;background:transparent;outline:none;min-width:0;width:100%;font-size:14px}.search-box .icon{height:17px;width:17px}.divider{height:1px;background:var(--line);margin:20px 0}.empty-note{padding:18px;background:#f7f9fd;border-radius:10px;color:var(--muted);font-size:13px;line-height:1.8}.checkbox{accent-color:var(--blue);width:15px;height:15px}.switch{height:22px;width:39px;border-radius:20px;background:var(--blue);position:relative;flex-shrink:0}.switch:after{content:'';position:absolute;width:16px;height:16px;top:3px;right:3px;background:#fff;border-radius:50%}.switch.off{background:#d5ddea}.switch.off:after{left:3px;right:auto}
.brand-mark{flex-shrink:0}.sidebar .brand{gap:9px}.sidebar .brand small{font-size:8px;letter-spacing:1.2px}.star-dialog{align-self:start;min-height:620px}.create-layout>.form-panel{align-self:start}[hidden]{display:none!important}
/* Children's learning space */
.child-shell{background:#f6f9ff;min-height:calc(100vh - 36px)}.child-header{height:84px;padding:0 max(32px,calc((100vw - 1220px)/2));background:#fff;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf1f8;gap:30px}.child-nav{display:flex;align-items:center;gap:35px;height:100%}.child-nav a{font-size:15px;height:100%;display:flex;align-items:center;border-bottom:3px solid transparent;padding-top:3px;color:#8290a4;white-space:nowrap}.child-nav a.active{color:var(--blue);font-weight:600;border-color:var(--blue)}.child-profile{display:flex;align-items:center;gap:10px;font-size:14px;white-space:nowrap}.child-main{max-width:1220px;margin:auto;padding:27px 0 40px}.child-hero{height:280px;border-radius:26px;background:linear-gradient(110deg,#e7efff 0%,#eaf3ff 60%,#e0ecff 100%);position:relative;overflow:hidden;display:flex;align-items:center;padding:35px 45px}.child-hero .hero-copy{position:relative;z-index:1}.eyebrow{color:#6b87be;font-size:14px;display:flex;align-items:center;gap:8px;margin-bottom:14px}.eyebrow .icon{width:16px;height:16px}.child-hero h1{font-size:32px;line-height:1.5;letter-spacing:.2px;margin-bottom:12px}.child-hero p{color:#7285a6;font-size:15px;margin-bottom:21px}.hero-nao{position:absolute;right:143px;bottom:-12px;width:182px;height:281px;object-fit:contain;mix-blend-mode:multiply}.hero-bubble{position:absolute;right:30px;top:50px;background:#ffffffdb;border:1px solid #fff;border-radius:16px 16px 16px 3px;padding:11px 16px;color:#6485bc;font-size:14px;box-shadow:0 7px 20px #537bc00c}.hero-status{position:absolute;right:115px;bottom:24px;z-index:2;background:#fff;border-radius:20px;padding:6px 13px;font-size:12px;color:#7890af;box-shadow:0 4px 14px #375ead0c}.hero-status .dot{color:#60ad91;margin-right:6px}.home-middle{display:grid;grid-template-columns:1.25fr 1fr;gap:22px}.continue-card{padding:18px;display:flex;gap:20px;align-items:center;min-height:175px}.continue-card>img{width:205px;height:132px;border-radius:13px;object-fit:cover}.continue-body{flex:1;min-width:0}.continue-body h3{margin:8px 0}.continue-body .progress{margin:15px 0 9px}.mood-card{padding:20px 22px}.mood-head{display:flex;justify-content:space-between;align-items:center}.mood-list{display:flex;justify-content:space-between;gap:8px;margin-top:19px}.mood-option{display:flex;flex-direction:column;align-items:center;gap:9px;padding:0;font-size:13px;color:#8b94a3}.mood-option span{height:46px;width:46px;font-size:25px;border-radius:16px;background:#fff5df;display:grid;place-items:center;border:2px solid transparent}.mood-option:nth-child(2) span{background:#e9f4ed}.mood-option:nth-child(3) span{background:#fff0e8}.mood-option:nth-child(4) span{background:#eaf0fe}.mood-option:nth-child(5) span{background:#f0eefa}.mood-option.selected span{border-color:var(--blue)}.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.course-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .15s,box-shadow .15s}.course-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px #2d4e8f0d}.course-cover{height:161px;position:relative;overflow:hidden}.course-cover img{height:100%;width:100%;object-fit:cover}.course-cover .tag{position:absolute;left:14px;top:13px;background:#fffffff0;color:#56709b}.course-cover .duration{position:absolute;bottom:11px;right:12px;color:white;background:#1d314788;border-radius:6px;font-size:12px;padding:4px 7px}.course-info{padding:17px 19px}.course-info h3{margin-bottom:5px}.course-info p{font-size:13px;color:var(--muted)}.course-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12px;color:#8c98ad}.course-meta .icon{height:15px;width:15px}.soft-blue{background:#edf3ff}.child-footer{display:flex;align-items:center;justify-content:space-between;margin-top:28px;color:#a0acc0;font-size:12px}.classroom-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}.class-progress{display:flex;gap:9px;align-items:center;font-size:13px;color:#a2adc0}.class-progress span{height:27px;width:27px;border-radius:50%;background:#e8eef8;display:grid;place-items:center;font-size:12px}.class-progress span.done{background:#d9e7ff;color:var(--blue)}.class-progress span.current{background:var(--blue);color:#fff}.class-layout{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(300px,1fr);gap:24px}.video-panel{position:relative;overflow:hidden;border-radius:20px;background:#14243f}.video-panel>img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.94}.video-panel .video-label{position:absolute;top:18px;left:18px;color:#fff;background:#152e4e80;padding:6px 12px;border-radius:8px;font-size:12px}.play-circle{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);width:65px;height:65px;border-radius:50%;display:grid;place-items:center;color:white;background:#ffffff30;border:1px solid #ffffff60;backdrop-filter:blur(3px)}.play-circle .icon{width:26px;height:26px}.video-controls{color:white;padding:14px 18px;background:#1b2d47;display:flex;gap:16px;align-items:center;font-size:12px}.video-controls .progress{flex:1;background:#ffffff22;height:3px}.video-controls .progress span{background:white}.keyframes{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:15px}.keyframe{padding:0;text-align:left;font-size:12px;color:#8a97ac}.keyframe img{aspect-ratio:16/9;object-fit:cover;width:100%;border-radius:10px;border:2px solid transparent;margin-bottom:6px}.keyframe.active img{border-color:var(--blue)}.keyframe.active{color:var(--blue)}.star-dialog{background:white;border-radius:20px;border:1px solid var(--line);padding:24px;display:flex;flex-direction:column;min-height:530px}.star-dialog-top{display:flex;align-items:center;gap:13px;margin-bottom:22px}.nao-avatar{width:55px;height:55px;background:#eaf1ff;border-radius:18px;overflow:hidden}.nao-avatar img{height:95px;width:62px;max-width:none;object-fit:cover;object-position:top;mix-blend-mode:multiply}.dialog-speech{font-size:20px;line-height:1.7;color:var(--navy);font-weight:550;margin-bottom:22px}.answer-option{border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:14px;text-align:left;display:flex;align-items:center;gap:10px;margin-bottom:10px;background:#fff}.answer-option span{height:22px;width:22px;display:grid;place-items:center;font-size:11px;background:#f1f4fa;color:#9aa6b8;border-radius:6px;flex-shrink:0}.answer-option.selected{border-color:#86a7ff;background:#f2f6ff;color:var(--blue)}.voice-input{margin-top:auto;text-align:center;padding-top:21px}.mic-button{width:58px;height:58px;border-radius:50%;background:var(--blue);color:#fff;box-shadow:0 5px 14px #3465e925;display:inline-grid;place-items:center;margin-bottom:9px}.class-note{padding:18px 20px;margin-top:20px;display:flex;align-items:center;gap:12px;border:1px solid #dfe9fc;border-radius:13px;color:#7d90ae;font-size:13px;background:#edf4ff}.course-detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:28px}.course-detail-hero>img{width:100%;height:270px;object-fit:cover;border-radius:15px}.lesson-row{padding:20px 24px;display:flex;align-items:center;gap:17px;border-top:1px solid var(--line)}.lesson-number{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#f0f4ff;color:var(--blue);font-size:14px}
/* Administration */
.admin-shell{display:flex;min-height:calc(100vh - 36px)}.sidebar{width:222px;background:white;border-right:1px solid var(--line);padding:28px 17px 20px;display:flex;flex-direction:column;flex-shrink:0}.sidebar .brand{padding-left:9px;margin-bottom:38px;font-size:22px}.nav-caption{font-size:11px;color:#a8b2c1;padding:0 14px;margin-bottom:10px;letter-spacing:1.5px}.side-nav{display:flex;flex-direction:column;gap:5px}.side-nav a{display:flex;align-items:center;gap:12px;padding:12px 15px;font-size:14px;color:#8090a6;border-radius:10px}.side-nav a.active{background:#edf3ff;color:var(--blue);font-weight:600}.side-nav a:hover{background:#f4f7fd}.side-nav a.active:hover{background:#edf3ff}.nav-count{margin-left:auto;font-size:11px;background:#dfeaff;color:#587ccc;min-width:20px;height:19px;display:grid;place-items:center;border-radius:5px}.sidebar-bottom{margin-top:auto;padding-top:38px}.quota-card{background:#f7f9fd;border:1px solid #e9eef7;border-radius:12px;padding:14px;font-size:12px;color:#8896ab}.quota-card .progress{margin-top:10px;height:4px}.sidebar-user{display:flex;align-items:center;gap:10px;padding:18px 5px 0}.admin-right{min-width:0;flex:1}.admin-top{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 33px;background:white;border-bottom:1px solid var(--line)}.breadcrumbs{font-size:13px;display:flex;align-items:center;gap:10px;color:#9aa6b8}.breadcrumbs strong{font-weight:500;color:#5d6d84}.admin-top .search-box{width:248px}.admin-main{padding:28px 33px 35px;max-width:1510px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.page-heading p{font-size:13px;color:var(--muted);margin-top:7px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.stat-card{padding:21px;background:white;border:1px solid var(--line);border-radius:15px}.stat-top{display:flex;justify-content:space-between;align-items:center;color:#8b98ac;font-size:13px;margin-bottom:13px}.stat-icon{width:33px;height:33px;border-radius:10px;background:#edf3ff;color:#6489de;display:grid;place-items:center}.stat-icon.mint{background:#ebf6f1;color:#73aa95}.stat-icon.amber{background:#fff5e8;color:#d7ae73}.stat-icon.purple{background:#f0edff;color:#9b8cda}.stat-value{font-size:30px;color:var(--navy);font-weight:650;line-height:1.2;letter-spacing:-1px}.stat-value small{font-size:13px;letter-spacing:0;font-weight:400;margin-left:5px;color:var(--muted)}.stat-foot{font-size:12px;color:#a0aabc;margin-top:12px}.stat-foot strong{font-weight:500;color:#55a68b;margin-right:6px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(290px,1fr);gap:23px;margin-bottom:23px}.chart-area{padding:0 25px 22px;height:190px;display:flex;gap:14px}.chart-axis{display:flex;flex-direction:column;justify-content:space-between;font-size:11px;color:#a7b2c2;padding-bottom:24px}.bars{flex:1;display:flex;justify-content:space-around;align-items:flex-end;border-bottom:1px solid var(--line);background:repeating-linear-gradient(to top,transparent 0,transparent 39px,#eef2f7 40px);position:relative;padding:0 10px 0;margin-bottom:23px;gap:12px}.bar-slot{width:36px;height:100%;position:relative;display:flex;align-items:flex-end;justify-content:center}.bar{width:24px;background:#c4d7ff;border-radius:5px 5px 0 0;position:relative}.bar.current{background:var(--blue)}.bar-slot small{position:absolute;bottom:-25px;font-size:11px;white-space:nowrap;color:#9aa6b9}.bar-tip{position:absolute;top:-23px;left:50%;transform:translateX(-50%);color:var(--blue);font-size:11px}.legend{display:flex;gap:15px;font-size:12px;color:#94a1b4}.legend .dot{background:var(--blue);margin-right:5px}.task-list{padding:0 23px 10px}.task-row{display:flex;gap:12px;align-items:center;padding:13px 0;border-top:1px solid #f0f3f8}.task-row:first-child{border:0;padding-top:0}.task-thumb{width:60px;height:43px;border-radius:8px;object-fit:cover}.task-main{min-width:0;flex:1}.task-main h4{font-size:13px;font-weight:550;margin-bottom:5px}.task-main p{font-size:11px;color:#9ca8ba}.task-row .tag{font-size:11px;padding:4px 7px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;white-space:nowrap;font-size:13px}thead{background:#fafbfd;color:#97a3b6;font-weight:400}th{padding:13px 21px;font-weight:400;font-size:12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}td{padding:17px 21px;border-bottom:1px solid #eef2f7}tbody tr:last-child td{border-bottom:0}td .user-cell{display:flex;align-items:center;gap:10px}td .progress{width:76px;height:4px}td .row{gap:9px}.table-course{display:flex;align-items:center;gap:13px}.table-course img{width:74px;height:46px;object-fit:cover;border-radius:7px}.table-course small{display:block;font-size:11px;color:#9ba7b9;margin-top:5px}.table-action{color:var(--blue);font-size:13px;padding:5px}.table-bottom{padding:16px 22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;color:#a0aabd;font-size:12px}.pagination{display:flex;gap:6px;align-items:center}.pagination button{width:27px;height:27px;border:1px solid var(--line);border-radius:6px;font-size:12px}.pagination button.active{color:var(--blue);background:#eef4ff;border-color:#d9e5ff}.filter-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:20px 23px;flex-wrap:wrap}.filter-tabs{display:flex;gap:22px;font-size:13px}.filter-tabs button{padding:0 0 9px;color:#919fb3;border-bottom:2px solid transparent}.filter-tabs button.active{color:var(--blue);border-color:var(--blue);font-weight:550}.filter-bar .search-box{width:225px}.admin-bottom-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:23px}.quick-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;padding:0 23px 23px}.quick-action{border:1px solid var(--line);border-radius:11px;display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;padding:19px 8px;font-size:12px;color:#7585a0}.quick-action .icon{color:#6e94e9}.create-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(310px,1fr);gap:24px}.stepper{display:flex;gap:0;margin-bottom:24px;border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden}.stepper>button{flex:1;display:flex;align-items:center;justify-content:center;gap:9px;padding:15px 8px;color:#9ba7b9;font-size:14px}.stepper>button.active{background:#edf3ff;color:var(--blue)}.stepper b{height:24px;width:24px;border-radius:50%;background:#f0f3f9;display:grid;place-items:center;font-size:11px;font-weight:500}.stepper .active b{background:var(--blue);color:white}.form-panel{padding:24px}.reference-cards{display:flex;gap:11px}.reference-card{width:78px;text-align:center;font-size:11px;color:#93a0b4}.reference-card>div{height:74px;border:1px solid var(--line);border-radius:10px;background:#f8faff;overflow:hidden;margin-bottom:7px;display:grid;place-items:center}.reference-card img{width:100%;height:100%;object-fit:cover}.reference-card.robot img{object-fit:contain;mix-blend-mode:multiply}.preview-image{position:relative;border-radius:13px;overflow:hidden}.preview-image>img{width:100%;aspect-ratio:16/9;object-fit:cover}.preview-image .tag{position:absolute;top:12px;left:12px;background:#ffffffea}.ai-info-row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}.ai-info-row:last-child{border:0}.upload-area{border:1.5px dashed #cedcf4;border-radius:13px;min-height:150px;background:#f8fbff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;color:#90a5c4;font-size:13px;text-align:center}.upload-area .icon{height:29px;width:29px;color:#7296d8}.assets-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px;padding:0 23px 23px}.asset-card{border:1px solid var(--line);border-radius:12px;overflow:hidden}.asset-card>img{width:100%;aspect-ratio:16/9;object-fit:cover}.asset-card>div{padding:12px 13px}.asset-card h4{font-size:13px;font-weight:550}.asset-card p{font-size:11px;color:#9ca8b9;margin-top:6px}.profile-banner{display:flex;align-items:center;gap:19px;padding:24px;margin-bottom:24px}.profile-banner .avatar{width:65px;height:65px;font-size:25px}.profile-metric{padding:0 23px;border-left:1px solid var(--line);text-align:center}.profile-metric strong{display:block;font-size:24px;font-weight:600;color:var(--navy)}.profile-metric small{font-size:12px;color:#929fb1}.timeline{padding:0 24px 24px}.timeline-item{border-left:1px solid #dee7f5;padding:0 0 24px 22px;position:relative;margin-left:6px}.timeline-item:before{content:'';position:absolute;left:-4px;top:5px;width:7px;height:7px;border-radius:50%;background:#83a7f5;box-shadow:0 0 0 4px #f2f6ff}.timeline-item:last-child{padding-bottom:0}.timeline-item h4{font-size:13px;font-weight:500;margin-bottom:7px}.timeline-item p{font-size:12px;color:#8e9db2}.device-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:24px}.robot-stage{height:310px;background:radial-gradient(ellipse at center,#e7f2ff 0%,#f6faff 65%);display:flex;align-items:center;justify-content:center;position:relative;border-bottom:1px solid var(--line)}.robot-stage>img{height:278px;mix-blend-mode:multiply}.model-chip{position:absolute;top:15px;left:15px;font-size:11px;color:#91a4be;border:1px solid #dce8f8;padding:4px 8px;border-radius:5px}.device-details{padding:20px 23px}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.settings-row:last-child{border:0}.settings-row h4{font-size:14px;font-weight:550}.settings-row p{font-size:12px;color:#96a2b5;margin-top:5px}.editor-layout{display:grid;grid-template-columns:235px 1fr;gap:22px}.lesson-menu{padding:18px 12px}.lesson-menu a{display:block;padding:15px 13px;font-size:13px;margin-top:7px;border-radius:9px}.lesson-menu a.active{background:#edf3ff;color:var(--blue)}.lesson-menu small{display:block;margin-top:7px;font-size:11px;color:#96a6be}.activity-list{display:grid;gap:12px}.activity{padding:16px;border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;gap:12px}.activity .activity-icon{height:35px;width:35px;background:#f0f5ff;color:#7393d2;border-radius:9px;display:grid;place-items:center}.activity h4{font-size:14px;font-weight:550}.activity p{font-size:12px;color:#99a4b5;margin-top:4px}.login-layout{min-height:calc(100vh - 36px);display:grid;grid-template-columns:1.1fr 1fr;background:white}.login-visual{background:linear-gradient(145deg,#e4edff,#f1f7ff);padding:44px 60px;position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;overflow:hidden}.login-visual .brand{position:absolute;top:35px;left:45px}.login-visual h1{font-size:37px;line-height:1.55;margin-bottom:15px}.login-visual>p{font-size:15px;color:#7890b5}.login-nao{height:300px;object-fit:contain;mix-blend-mode:multiply;align-self:center;margin-top:20px}.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:40px}.login-form{width:365px}.login-form h1{font-size:27px;margin-bottom:10px}.login-tabs{display:flex;background:#f3f6fb;padding:5px;border-radius:11px;margin:27px 0}.login-tabs button{flex:1;padding:10px;border-radius:8px;color:#8a98ad;font-size:14px}.login-tabs button.active{background:white;color:var(--blue);box-shadow:0 2px 7px #24395608}.chat-layout{max-width:760px;margin:0 auto;text-align:center}.chat-nao{height:190px;mix-blend-mode:multiply;margin:10px auto 22px}.chat-layout h1{font-size:26px;margin-bottom:10px}.chat-layout>.mood-list{max-width:490px;margin:30px auto}.chat-layout>.panel{padding:25px;text-align:left}.chat-input{display:flex;gap:10px;margin-top:25px}.chat-input input{flex:1;border:1px solid var(--line);padding:14px;border-radius:12px}.foot-hint{font-size:12px;color:#a8b2c1;margin-top:18px}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);z-index:200;background:#20395a;color:#fff;padding:12px 22px;border-radius:11px;font-size:14px;box-shadow:0 8px 35px #1d345330;opacity:0;pointer-events:none;transition:.2s;max-width:calc(100vw - 32px);text-align:center}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid var(--line);border-radius:20px;max-width:570px;width:calc(100% - 40px);padding:30px;color:var(--text);box-shadow:0 25px 100px #1b2c4c30}dialog::backdrop{background:#21375660;backdrop-filter:blur(4px)}.modal-close{position:absolute;top:15px;right:15px;font-size:24px}dialog h2{margin-bottom:12px}dialog p{font-size:14px;color:var(--muted);margin-bottom:20px}
@media(min-width:1550px){.child-main{max-width:1280px}.child-header{padding-left:calc((100vw - 1280px)/2);padding-right:calc((100vw - 1280px)/2)}}
@media(max-width:1250px){.child-main{margin:0 30px}.child-header{padding:0 30px}.child-nav{gap:23px}.hero-nao{right:90px}.hero-bubble{right:20px}.hero-status{right:65px}.sidebar{width:202px;padding:23px 12px}.admin-main{padding:25px}.admin-top{padding:0 25px}.dashboard-grid,.admin-bottom-grid{grid-template-columns:minmax(0,1.45fr) minmax(275px,1fr)}.continue-card>img{width:160px}.stat-grid{gap:13px}.stat-card{padding:17px}.profile-metric{padding:0 13px}}
@media(max-width:1050px){.child-nav{gap:18px}.child-hero h1{font-size:28px}.hero-nao{right:70px;width:156px}.hero-bubble{display:none}.hero-status{right:42px}.child-hero{padding:30px}.home-middle{grid-template-columns:1fr 1fr}.continue-card{gap:13px}.continue-card>img{width:120px;height:130px}.continue-card h3{font-size:15px}.dashboard-grid,.admin-bottom-grid{grid-template-columns:1fr}.create-layout{grid-template-columns:1fr 1fr}.admin-top .search-box{width:180px}.stat-grid{grid-template-columns:repeat(2,1fr)}.sidebar{width:184px}.side-nav a{font-size:13px;padding:12px}.sidebar .brand{font-size:19px}.profile-banner{flex-wrap:wrap}.courses-grid{gap:15px}.course-cover{height:135px}.class-layout{grid-template-columns:1.5fr 1fr;gap:16px}.star-dialog{padding:18px;min-height:480px}.dialog-speech{font-size:18px}.device-layout{grid-template-columns:1fr 1fr}.assets-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.preview-bar{padding:0 12px}.preview-label{display:none}.preview-bar>div{gap:3px}.preview-bar a{padding:5px 9px}.preview-bar>span{font-size:11px}.child-header{height:auto;min-height:76px;padding:16px 18px;flex-wrap:wrap;gap:15px}.child-header .brand{font-size:21px}.child-profile{margin-left:auto}.child-nav{order:3;width:100%;height:37px;justify-content:space-between;gap:8px}.child-nav a{font-size:13px}.child-main{margin:0;padding:20px 17px 30px}.child-hero{height:262px;padding:23px}.child-hero h1{font-size:23px;max-width:225px;line-height:1.65}.child-hero p{font-size:12px;max-width:180px}.child-hero .eyebrow{font-size:12px}.hero-nao{right:-5px;width:128px;height:215px;bottom:4px;opacity:.95}.hero-status{display:none}.hero-copy .btn.large{min-height:43px;padding:10px 17px;font-size:14px}.home-middle{grid-template-columns:1fr;gap:15px}.continue-card>img{width:130px;height:111px}.mood-card{padding:20px}.mood-list{justify-content:space-around}.courses-grid{grid-template-columns:1fr}.course-cover{height:auto;aspect-ratio:16/8}.section-title h2{font-size:18px}.section-title{margin-top:23px}.child-footer{gap:15px;align-items:flex-start}.child-footer span:last-child{display:none}.classroom-head{align-items:flex-start;flex-wrap:wrap}.class-progress{gap:6px}.class-layout{grid-template-columns:1fr}.star-dialog{min-height:initial}.voice-input{padding-top:18px}.keyframes{gap:7px}.class-note{font-size:12px;padding:14px}.course-detail-hero{grid-template-columns:1fr;padding:20px;gap:20px}.course-detail-hero>img{height:auto}.sidebar{width:66px;padding:20px 7px;align-items:center}.sidebar .brand{padding:0;margin-bottom:25px}.sidebar .brand>span:last-child,.sidebar .nav-caption,.side-nav a>span,.sidebar-bottom{display:none}.side-nav{width:100%;gap:9px}.side-nav a{padding:12px;justify-content:center}.sidebar .brand-mark{width:35px;height:35px}.admin-top{padding:0 17px;height:65px}.admin-top .search-box{display:none}.admin-top .row{gap:5px}.admin-main{padding:20px 14px}.page-heading{align-items:flex-start;gap:14px;flex-wrap:wrap}.page-heading h1{font-size:24px}.page-heading .btn{font-size:12px;padding:9px 11px;min-height:36px}.page-heading .row{gap:7px}.stat-grid{gap:10px}.stat-card{padding:13px}.stat-top{font-size:11px;gap:5px}.stat-icon{width:26px;height:26px;border-radius:7px}.stat-icon .icon{width:15px;height:15px}.stat-value{font-size:26px}.stat-foot{font-size:10px}.panel-head{padding:18px 15px}.panel-head h3{font-size:15px}.panel-head .small{font-size:11px}.dashboard-grid,.admin-bottom-grid{gap:16px;margin-bottom:16px}.panel-body{padding:0 15px 17px}.chart-area{padding:0 13px 19px;height:170px;gap:6px}.bars{gap:6px;padding:0}.bar{width:19px}.bar-slot{width:25px}.task-list{padding:0 15px 10px}.task-thumb{width:48px;height:35px}.task-main h4{font-size:12px}.task-row{gap:8px}.task-row .tag{font-size:10px;padding:3px 5px}.filter-bar{padding:17px 15px}.filter-tabs{gap:14px;font-size:12px}.filter-bar .search-box{width:100%}.table-bottom{gap:10px;flex-wrap:wrap;padding:15px}.quick-actions{gap:7px;padding:0 15px 15px}.quick-action{font-size:11px}.create-layout,.device-layout,.editor-layout{grid-template-columns:1fr}.stepper>button{font-size:11px;gap:5px}.stepper b{height:20px;width:20px}.form-panel{padding:18px}.two-fields{grid-template-columns:1fr;gap:0}.assets-grid{grid-template-columns:1fr;padding:0 15px 15px}.profile-banner{padding:18px;gap:12px}.profile-metric{padding:0 10px}.profile-metric strong{font-size:19px}.profile-metric small{font-size:10px}.lesson-menu{display:none}.login-layout{grid-template-columns:1fr}.login-visual{min-height:255px;padding:92px 28px 30px}.login-visual .brand{top:25px;left:28px}.login-visual h1{font-size:25px;z-index:1}.login-visual>p{font-size:12px;max-width:195px;z-index:1}.login-nao{height:183px;position:absolute;right:15px;bottom:0}.login-form-wrap{padding:30px 25px}.login-form{width:100%}.chat-layout h1{font-size:23px}.chat-nao{height:160px}.chat-layout>.mood-list{gap:5px}.chat-input input{width:100px}}