:root{--ink:#253d34;--green:#28624f;--green-dark:#174937;--mint:#e7f1eb;--muted:#7a8881;--bg:#f6f7f2;--line:#e2e8df;--yellow:#f5d97b;--orange:#b77539;--red:#bb6054;--radius:24px;--shadow:0 12px 40px #263e3410}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.65}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit}button{border:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #e9be4f;outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:38px;line-height:1.35;letter-spacing:-1.3px}h2{font-size:25px;line-height:1.4;letter-spacing:-.6px}h3{font-size:17px}small{font-size:12px}svg{vertical-align:middle;flex-shrink:0}.icon{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.muted{color:var(--muted)}.kicker{font-size:11px;font-weight:700;letter-spacing:2.4px;color:#718174;text-transform:uppercase}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:16px}.spacer{height:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 23px;border-radius:13px;background:var(--green);color:white;font-weight:600;text-decoration:none;transition:background .2s,transform .2s;white-space:nowrap}.btn:hover{background:var(--green-dark);transform:translateY(-1px)}.btn.secondary{background:white;color:var(--green);border:1px solid var(--line)}.btn.secondary:hover{background:var(--mint)}.btn.ghost{background:transparent;color:var(--green);padding:10px 14px}.btn.small{padding:8px 13px;font-size:13px;border-radius:10px}.btn.yellow{background:var(--yellow);color:var(--ink)}.btn.danger{color:var(--red);background:#fcf0ed}.badge{padding:5px 10px;border-radius:8px;background:var(--mint);color:var(--green);font-size:12px;font-weight:500;display:inline-flex;gap:5px;align-items:center}.badge.yellow{background:#fcf4d7;color:#8e6e21}.badge.grey{background:#eef0eb;color:#78817c}.badge.red{background:#f9eeeb;color:var(--red)}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:26px}.field{display:flex;flex-direction:column;gap:8px}.field label{font-size:13px;font-weight:600}.input{width:100%;padding:13px 15px;border:1px solid #dce2d9;border-radius:12px;background:#fff;color:var(--ink);min-width:0}.input:focus{border-color:var(--green)}.input::placeholder{color:#a0aaa3}.note{font-size:12px;color:var(--muted);line-height:1.8}.divider{height:1px;background:var(--line);margin:22px 0}.progress{height:7px;border-radius:99px;background:#e7ede6;overflow:hidden}.progress>i{display:block;height:100%;background:var(--green);border-radius:99px;transition:width .3s}.empty{padding:50px 20px;text-align:center;color:var(--muted)}
.topbar{height:86px;max-width:1240px;margin:auto;padding:0 34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;border:0;background:none;padding:0;text-align:left;color:var(--ink)}.brand-mark{width:42px;height:42px;border-radius:14px 14px 14px 4px;background:var(--green);color:var(--yellow);display:grid;place-items:center}.brand strong{font-size:17px;display:block;line-height:1.4;letter-spacing:.3px}.brand small{font-size:10px;letter-spacing:2px;color:var(--muted)}.top-links{display:flex;align-items:center;gap:12px}.demo-dot{width:6px;height:6px;background:#a2b681;border-radius:100%;display:inline-block}.demo-banner{text-align:center;font-size:11px;background:#edf0e7;color:#7a876f;padding:5px 15px;letter-spacing:.4px}.main{max-width:1160px;margin:30px auto 70px;padding:0 28px}.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin:32px 0}.page-header h1{margin:7px 0 10px}.eyebrow{color:var(--muted);font-size:12px}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#e2ecdc;color:var(--green);font-weight:700;flex-shrink:0}.avatar.peach{background:#f5e5d8;color:#986c4b}.avatar.blue{background:#dfe9ed;color:#577180}.pill{border:1px solid var(--line);border-radius:40px;padding:6px 12px 6px 6px;background:white;display:flex;align-items:center;gap:9px;font-size:13px}.pill .avatar{width:29px;height:29px;font-size:12px}
.landing{max-width:1160px;min-height:calc(100vh - 172px);margin:auto;padding:40px 34px 50px;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.landing-copy h1{font-size:54px;letter-spacing:-2px;line-height:1.33;margin:20px 0 24px}.landing-copy h1 em{font-style:normal;color:var(--green);position:relative;white-space:nowrap}.landing-copy h1 em:after{content:'';position:absolute;bottom:0;left:0;right:0;height:11px;background:#f2d88380;border-radius:50%;z-index:-1;transform:rotate(-2deg)}.landing-copy>p{font-size:16px;color:#7b877e;max-width:400px;line-height:1.9}.mini-steps{display:flex;gap:24px;margin:34px 0}.mini-step{display:flex;gap:8px;align-items:center;font-size:12px;color:#738176}.mini-step b{background:#e7eee2;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-size:11px;color:var(--green)}.decor-window{height:160px;border-radius:24px;background:#e9eee1;margin:0 0 24px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.decor-orbit{height:125px;width:220px;border:1px dashed #b2c1a5;border-radius:50%;transform:rotate(-16deg);position:absolute}.decor-word{padding:14px 25px;font-size:31px;font-family:Georgia,serif;font-style:italic;color:var(--green);background:#fdfdf8;transform:rotate(-7deg);border:1px solid #d9e2cf;border-radius:14px;box-shadow:0 12px 18px #3245300d}.decor-star{position:absolute;right:54px;top:25px;color:#c9a345;font-size:25px}.decor-leaf{position:absolute;left:50px;bottom:17px;transform:rotate(-15deg);color:#78936a}.login-card{padding:28px;background:white;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.login-card h2{margin:3px 0 6px}.login-form{display:flex;flex-direction:column;gap:17px;margin-top:22px}.code-line{display:flex;gap:9px}.code-line .btn{font-size:12px;padding:10px 12px}.demo-login{margin-top:20px;padding:14px;background:#f6f7f1;border-radius:13px;font-size:12px;color:var(--muted)}.demo-login button{background:none;padding:0;color:var(--green);font-weight:600;text-decoration:underline;text-underline-offset:3px}.login-footer{text-align:center;font-size:11px;color:#98a08f;margin-top:20px}.footer{max-width:1160px;margin:0 auto;padding:22px 30px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;color:#8e988e;font-size:11px}
.children-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.child-card{padding:30px;position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:16px;transition:transform .2s,border-color .2s}.child-card:hover{border-color:#9eb69f;transform:translateY(-3px)}.child-card h2{font-size:23px}.child-card .avatar{width:65px;height:65px;font-size:25px}.child-card .btn{width:100%;margin-top:10px}.add-child{background:transparent;border:1px dashed #b9c8b6;align-items:center;justify-content:center;min-height:290px;cursor:pointer;text-align:center;color:var(--muted)}.circle-plus{width:58px;height:58px;border-radius:50%;background:#eaf0e5;color:var(--green);display:grid;place-items:center}.enrollment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.enrollment-card h2{margin:13px 0 8px}.enrollment-card .meta{display:flex;gap:18px;font-size:12px;color:var(--muted);margin:18px 0}.enrollment-card .actions{display:flex;justify-content:space-between;gap:10px;margin-top:20px}.enrollment-icon{background:#edf2e7;border:1px solid #e0e7d9;border-radius:15px;padding:12px;color:var(--green)}.summary-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;background:white;border:1px solid var(--line);border-radius:20px;padding:22px 28px;margin-bottom:28px}.summary-strip .stat:not(:first-child){border-left:1px solid var(--line);padding-left:28px}.stat .label{color:var(--muted);font-size:12px}.stat .number{font-size:30px;font-weight:700;line-height:1.3;margin-top:6px}.stat .number small{font-size:13px;font-weight:400;color:var(--muted);margin-left:5px}.lesson-feature{display:grid;grid-template-columns:1fr 300px;background:#e8efe3;border:1px solid #d8e3d1;border-radius:25px;overflow:hidden;margin-bottom:30px}.lesson-copy{padding:30px}.lesson-copy h2{font-size:28px;margin:9px 0}.lesson-copy p{font-size:13px;color:#778371;margin-bottom:22px}.lesson-art{position:relative;display:flex;align-items:center;justify-content:center;background:#e1ead9}.lesson-art .letter{font-family:Georgia,serif;font-size:120px;line-height:1;color:#2d5e4680;transform:rotate(-12deg);letter-spacing:-14px}.lesson-art .tiny-tag{position:absolute;background:#fbf9e9;border-radius:8px;padding:5px 10px;color:#7c825a;font-size:10px;transform:rotate(9deg);bottom:27px;right:22px}.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.course-tile{padding:20px;border-radius:16px;background:#f0f2ec;border:1px solid #e5e9e1;color:#8d988b}.course-tile b{font-size:12px;font-weight:500}.course-tile h3{margin:7px 0 12px;color:#7c897a;font-size:15px}.section-title{display:flex;justify-content:space-between;gap:15px;align-items:center;margin:26px 0 17px}.section-title small{color:var(--muted);font-size:12px}.past-report{background:white;border:1px solid var(--line);border-radius:16px;padding:18px 23px;margin-top:15px}.join-options{display:flex;flex-direction:column;gap:10px;margin:18px 0}.class-choice{display:flex;align-items:center;gap:12px;border:1px solid var(--line);padding:15px;border-radius:12px;cursor:pointer}.class-choice:has(input:checked){border-color:var(--green);background:#f0f5ec}.class-choice input{accent-color:var(--green)}.class-choice small{display:block;color:var(--muted)}
.study-shell{max-width:950px;margin:15px auto 60px;padding:0 26px}.study-head{margin:22px 0}.study-head .progress{margin:15px 0 7px}.study-context{font-size:12px;color:var(--muted);text-align:center;margin-bottom:20px}.quiz-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:35px 55px;text-align:center}.question-type{color:var(--muted);font-size:12px;letter-spacing:1px}.question-type .badge{margin-bottom:16px}.quiz-card h1{font-size:35px;margin:12px 0 28px;letter-spacing:-.8px}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:left}.option{border:1.5px solid var(--line);background:#fff;border-radius:15px;padding:21px 19px;display:flex;align-items:center;gap:15px;color:var(--ink);font-size:21px;font-weight:500;transition:border-color .2s,background .2s}.option:hover{background:#f0f5ec;border-color:#80a88e}.option .letter{font-size:12px;display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--line);border-radius:9px;color:#89968b;background:#fafbf7}.skip{margin-top:24px;background:none;color:#7a897f;font-size:13px;padding:11px 20px;text-decoration:underline;text-underline-offset:4px}.study-note{text-align:center;font-size:12px;color:#939d91;margin:23px 0}.feedback{padding:14px 20px;background:var(--mint);color:var(--green);border:1px solid #d8e6d9;border-radius:15px;margin-bottom:20px;display:flex;align-items:center;gap:12px;font-size:13px}.feedback.wrong{background:#fcf4e5;border-color:#f0e1c5;color:#98713c}.word-panel{background:white;border:1px solid var(--line);border-radius:25px;padding:30px 36px}.word-title{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:25px}.word-title h1{font-size:44px;font-family:'DM Sans',sans-serif;letter-spacing:-1px}.phonetic{color:#839181;font-size:14px;margin:4px 0}.sound{background:#ecf2e7;color:var(--green);width:48px;height:48px;border-radius:50%;display:grid;place-items:center}.meaning-line{padding:14px 18px;background:#f0f5ec;border-radius:12px;font-weight:600;margin-bottom:22px}.meaning-line small{font-weight:400;color:#7e907d;margin-right:12px}.word-detail{display:grid;grid-template-columns:1fr 1.2fr;gap:28px}.detail-label{font-size:10px;letter-spacing:1.5px;color:#8b988b;text-transform:uppercase;margin-bottom:7px}.detail-en{font-size:17px;line-height:1.6;font-weight:500}.detail-cn{font-size:13px;color:#7c887b;margin-top:6px}.learning-actions{margin-top:24px;display:flex;justify-content:space-between;align-items:center;gap:16px}.learning-actions .note{max-width:400px}.lecture-group{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;gap:9px;color:#86907e;font-size:12px}
.report-hero{text-align:center;padding:30px 20px 18px}.report-hero h1{margin:15px 0 10px}.report-hero .circle-plus{margin:auto;background:#e0ead7;color:var(--green)}.report-hero p{color:var(--muted);font-size:13px}.report-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:25px 0}.report-stat{text-align:center;padding:23px;background:white;border:1px solid var(--line);border-radius:18px}.report-stat b{font-size:33px;display:block}.report-stat span{font-size:12px;color:var(--muted)}.report-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:22px 0 35px}.word-chips{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.word-chip{padding:14px 16px;border:1px solid #e8e5d7;border-radius:12px;background:#fffdf8;display:flex;flex-direction:column;gap:3px}.word-chip b{font-size:16px;font-weight:600}.word-chip small{color:#8a8e7c;font-size:12px}.word-chip.good{border-color:#e2e8dd;background:#f7faf3}.word-chip em{font-style:normal;font-size:10px;color:#ad8656}.report-section{margin-bottom:24px}.report-count{font-size:13px;color:var(--muted);font-weight:400}.resume-notice{background:#fcf6e6;border:1px solid #eee0bc;padding:15px 20px;border-radius:14px;margin:18px 0;font-size:13px;color:#8c733d}
.teacher-layout{display:grid;grid-template-columns:226px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:30px 20px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.sidebar .brand{margin:0 0 48px 3px}.sidebar .brand strong{font-size:15px}.sidebar .brand small{font-size:9px}.side-label{font-size:10px;letter-spacing:1.5px;color:#99a190;padding:0 13px;margin:12px 0}.side-nav{display:flex;flex-direction:column;gap:6px}.side-nav button{display:flex;align-items:center;gap:11px;padding:13px;border-radius:11px;text-align:left;background:none;color:#7c897f;font-size:13px}.side-nav button.active{background:#eaf1e5;color:var(--green);font-weight:600}.sidebar-bottom{margin-top:auto}.teacher-content{min-width:0;padding:30px 38px 60px;max-width:1530px;width:100%;margin:auto}.teacher-top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:25px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.teacher-top .pill{font-size:12px}.teacher-header{margin:27px 0 24px;display:flex;justify-content:space-between;align-items:end;gap:20px}.teacher-header h1{font-size:29px;margin:7px 0}.teacher-header p{font-size:13px;color:var(--muted)}.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:24px 0}.filters .input{width:auto;font-size:12px;padding:10px 12px;background:white}.filters .grow{flex:1;min-width:180px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:24px 0}.metric{background:white;border:1px solid var(--line);border-radius:18px;padding:20px}.metric .metric-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}.metric .metric-icon{width:29px;height:29px;display:grid;place-items:center;border-radius:9px;background:#f1f4e9;color:#8c9a74}.metric b{display:block;font-size:34px;margin:9px 0 2px;line-height:1.2}.metric small{color:#97a18e;font-size:10px}.insight{background:#e8efe3;border:1px solid #dae4d3;border-radius:16px;padding:20px;display:flex;gap:15px;margin:20px 0}.insight .icon{color:#77965d}.insight h3{font-size:14px;margin-bottom:4px}.insight p{font-size:12px;color:#7b8870}.table-card{background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden}.table-heading{padding:21px 23px;display:flex;justify-content:space-between;align-items:center;gap:12px}.table-heading h3{font-size:16px}.table-heading small{font-size:11px;color:var(--muted)}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}th{background:#f5f7f0;color:#929b88;font-size:11px;font-weight:500;padding:13px 18px;white-space:nowrap}td{border-bottom:1px solid #edf0e8;padding:16px 18px;vertical-align:middle}tr:last-child td{border-bottom:0}td b{font-size:14px;font-weight:600}td .sub{display:block;color:#97a08e;font-size:10px;margin-top:3px}.rate-cell{min-width:110px}.rate-inline{display:flex;align-items:center;gap:10px;font-size:12px}.rate-inline .progress{width:68px;height:5px}.num-good{color:var(--green)}.num-bad{color:#b68047}.num-muted{color:#a3aa9e}.link-btn{color:var(--green);background:none;font-size:12px;padding:7px 0;font-weight:500}.sort-btn{background:none;color:inherit;padding:0;font-size:inherit}.table-footer{padding:15px 23px;background:#fcfdf9;display:flex;justify-content:space-between;gap:12px;font-size:11px;color:#96a08e}.paging{display:flex;gap:8px;align-items:center}.paging button{background:white;border:1px solid var(--line);padding:3px 9px;border-radius:6px;color:var(--green)}.tab-buttons{display:flex;background:#e9eee3;padding:4px;border-radius:11px;gap:3px}.tab-buttons button{font-size:12px;border-radius:8px;padding:8px 13px;background:none;color:#89957c}.tab-buttons button.active{background:white;color:var(--green);box-shadow:0 2px 6px #243d340a}.teacher-back{padding:0;margin:4px 0 15px}.student-detail-head{padding:23px;display:flex;align-items:center;gap:16px}.student-detail-head h2{font-size:22px}.stat-caption{font-size:11px;color:var(--muted);margin:9px 0 0}
.modal-backdrop{position:fixed;inset:0;background:#203c324d;backdrop-filter:blur(5px);z-index:50;display:flex;align-items:center;justify-content:center;padding:22px}.modal{max-width:500px;width:100%;max-height:90vh;overflow:auto;background:#fff;border-radius:24px;padding:28px;box-shadow:0 30px 100px #193b3430}.modal.wide{max-width:690px}.modal-header{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}.close{background:#f1f4ed;border-radius:50%;padding:7px;color:var(--muted);display:grid;place-items:center}.modal .field{margin:15px 0}.modal .btn.full{width:100%;margin-top:12px}.report-preview{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;margin:15px 0}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.demo-menu{position:fixed;bottom:18px;right:18px;z-index:10}.demo-menu button{box-shadow:var(--shadow);border:1px solid var(--line);background:#fffffff2;color:var(--muted);padding:9px 13px;border-radius:12px;font-size:11px}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);background:#203e34;color:white;z-index:100;padding:12px 22px;border-radius:12px;box-shadow:var(--shadow);font-size:13px;opacity:0;pointer-events:none;transition:.2s;max-width:90vw;text-align:center}#toast.visible{opacity:1;transform:translate(-50%,0)}.mobile-identity{display:none}.login-choice{border:1px solid var(--line);padding:16px;border-radius:14px;text-align:left;background:white;display:block;width:100%;margin:12px 0}.login-choice:hover{border-color:var(--green)}.no-results{padding:35px;color:var(--muted);text-align:center}.fade{animation:fadein .25s ease-out}@keyframes fadein{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.landing{gap:120px}}
@media(max-width:1100px){.teacher-content{padding:24px}.teacher-layout{grid-template-columns:196px 1fr}.sidebar{padding:25px 13px}.metrics{gap:10px}.metric{padding:16px}.children-grid{grid-template-columns:repeat(2,1fr)}.word-chips{grid-template-columns:repeat(3,1fr)}}
@media all{.topbar{padding:0 22px;height:75px}.landing{gap:30px;padding:28px 24px 45px}.landing-copy h1{font-size:40px}.landing-copy>p{font-size:14px}.mini-steps{flex-direction:column;gap:12px}.decor-window{height:130px}.teacher-layout{display:block}.sidebar{position:relative;height:auto;flex-direction:row;align-items:center;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line);padding:16px 22px;gap:12px}.sidebar .brand{margin:0}.side-nav{flex-direction:row}.side-nav button{padding:10px;font-size:12px}.side-label,.sidebar-bottom{display:none}.teacher-content{padding:20px}.teacher-header{align-items:start}.metrics{grid-template-columns:repeat(2,1fr)}.teacher-top{padding-bottom:15px}.teacher-header h1{font-size:26px}.enrollment-grid{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(3,1fr)}.lesson-feature{grid-template-columns:1fr 210px}.main{padding:0 22px}.word-chips{grid-template-columns:repeat(3,1fr)}.quiz-card{padding:28px}.teacher-top>.eyebrow{display:none}}
@media all{body{font-size:14px}.topbar{height:72px;padding:0 18px}.brand strong{font-size:15px}.brand small{font-size:9px}.brand-mark{height:36px;width:36px;border-radius:12px 12px 12px 4px}.top-links{gap:2px}.top-links .badge{display:none}.top-links .btn{font-size:12px;padding:8px}.pill{font-size:11px;padding:5px 8px 5px 5px}.pill .avatar{width:25px;height:25px}.landing{display:block;padding:20px 22px 36px}.landing-copy h1{font-size:39px;margin:16px 0}.landing-copy>p{font-size:13px;max-width:310px}.mini-steps{flex-direction:row;flex-wrap:wrap;gap:13px;margin:24px 0}.mini-step{font-size:10px;gap:6px}.mini-step b{width:20px;height:20px}.login-card{padding:22px;margin-top:25px}.decor-window{height:105px;margin-bottom:22px}.decor-word{font-size:26px;padding:10px 22px}.decor-orbit{height:95px}.landing-copy .kicker{font-size:10px}.footer{padding:18px 22px;display:block;font-size:10px}.footer span{display:block;margin-top:5px}.main{margin-top:20px;padding:0 18px;margin-bottom:50px}.page-header{margin:25px 0;align-items:start;gap:10px}.page-header h1{font-size:29px;letter-spacing:-.7px}.page-header .btn{padding:9px 12px;font-size:12px;margin-top:5px}.children-grid{grid-template-columns:1fr}.child-card{padding:24px}.child-card .avatar{width:50px;height:50px;font-size:20px}.add-child{min-height:135px;gap:10px}.add-child .circle-plus{width:42px;height:42px}.card{padding:20px;border-radius:20px}.summary-strip{padding:18px;gap:10px;margin-bottom:20px}.summary-strip .stat:not(:first-child){padding-left:14px}.stat .number{font-size:24px}.stat .label{font-size:10px}.stat .number small{font-size:10px}.lesson-feature{display:block}.lesson-copy{padding:24px}.lesson-copy h2{font-size:25px}.lesson-art{display:none}.course-grid{grid-template-columns:repeat(2,1fr);gap:10px}.course-tile{padding:17px}.course-tile h3{font-size:13px}.past-report{padding:16px}.past-report .row.between{align-items:start;gap:10px}.past-report .btn{font-size:11px;padding:7px 10px}.study-shell{padding:0 16px;margin:12px auto 40px}.study-head .btn{font-size:12px;padding:8px 12px}.study-head .row{gap:7px}.study-head .muted{font-size:11px}.quiz-card{padding:26px 20px;border-radius:22px}.quiz-card h1{font-size:29px;margin:14px 0 25px}.quiz-options{grid-template-columns:1fr;gap:11px}.option{font-size:20px;padding:17px}.question-type{font-size:11px}.skip{margin-top:17px}.study-context{font-size:11px}.word-panel{padding:23px}.word-title h1{font-size:38px;overflow-wrap:anywhere}.word-detail{grid-template-columns:1fr;gap:22px}.learning-actions{flex-direction:column;align-items:stretch}.learning-actions .btn{width:100%}.learning-actions .note{text-align:center}.report-hero{padding:23px 0 10px}.report-hero h1{font-size:29px}.report-stats{gap:9px;margin:20px 0}.report-stat{padding:17px 8px;border-radius:14px}.report-stat b{font-size:27px}.report-stat span{font-size:10px}.report-actions{gap:8px}.report-actions .btn{font-size:12px;padding:12px 14px}.word-chips{grid-template-columns:repeat(2,1fr);gap:9px}.word-chip{padding:12px}.word-chip b{font-size:14px}.word-chip small{font-size:11px}.section-title h2{font-size:21px}.teacher-content{padding:18px 14px}.sidebar{padding:13px 14px}.sidebar .brand small{display:none}.sidebar .brand strong{font-size:13px}.sidebar .brand-mark{width:31px;height:31px}.sidebar .brand{gap:7px}.side-nav{gap:1px}.side-nav button{font-size:11px;padding:9px 7px;gap:4px}.side-nav .icon{width:16px;height:16px}.teacher-header{display:block;margin:24px 0}.teacher-header>.badge{margin-top:12px}.teacher-header h1{font-size:27px}.teacher-header p{font-size:12px}.teacher-top{font-size:11px;gap:7px}.teacher-top>.row{gap:6px}.metrics{gap:10px;margin:20px 0}.metric{padding:15px}.metric b{font-size:30px}.metric small{font-size:9px}.metric .metric-top{font-size:11px}.filters{gap:8px;margin:20px 0}.filters .input{font-size:11px;width:calc(50% - 4px);padding:11px}.filters .grow{width:100%;min-width:100%}.table-heading{padding:17px 15px;align-items:start}.table-heading h3{font-size:14px}.table-heading small{font-size:10px}.tab-buttons button{font-size:10px;padding:7px}.table-footer{padding:13px 15px;font-size:10px;flex-wrap:wrap}th,td{padding:13px 14px}.insight{padding:16px}.insight p{font-size:11px}.demo-menu{bottom:12px;right:12px}.demo-menu button{font-size:10px;padding:7px 10px}.modal{padding:23px}.modal h2{font-size:23px}.student-detail-head{padding:20px}.teacher-top .btn{font-size:11px;padding:5px 8px}.demo-banner{font-size:10px}.hide-small{display:none}.mobile-identity{display:block}}
.identity-name{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:96px}
@media all{.topbar{gap:9px}.topbar .brand{gap:8px;flex-shrink:0}.topbar .top-links{min-width:0;gap:3px}.topbar .pill{min-width:0;gap:5px;flex-shrink:1}.identity-name{max-width:44px;font-size:10px}.filters form.grow{min-width:0;width:100%;flex-basis:100%}.filters form .input.grow{min-width:0;width:0;flex:1}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}