@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#20241e;--muted:#74796e;--green:#c7f36b;--green-dark:#375b1c;--line:#e8ebe2;--paper:#fafbf7;--purple:#eee9ff;--blue:#e9f2ff;--orange:#fff0dc;--radius:24px}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;font-size:16px;line-height:1.55}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}a{color:inherit;text-decoration:none}h1,h2,h3,.brand{font-family:'Manrope',system-ui,sans-serif}h1,h2,h3,p{margin:0}h1{font-size:clamp(32px,4vw,54px);line-height:1.16;font-weight:800;letter-spacing:-2px}h2{font-size:25px;line-height:1.3;letter-spacing:-.7px;font-weight:800}h3{font-size:18px;font-weight:800;line-height:1.35}small{font-size:13px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #739f38;outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:16px;background:var(--ink);color:#fff;padding:12px 20px;z-index:100}.skip-link:focus{top:12px}.brand{font-size:27px;font-weight:800;letter-spacing:-1px;display:flex;align-items:center;gap:9px}.brand-dot{margin-left:-9px;color:#699633}.brand-mark{display:grid;place-items:center;background:var(--green);border-radius:13px;width:37px;height:37px;font-family:system-ui;font-size:26px;line-height:1;transform:rotate(-8deg)}.shell{max-width:1450px;margin:0 auto;display:grid;grid-template-columns:216px minmax(0,1fr);min-height:100vh}.sidebar{border-right:1px solid var(--line);padding:35px 24px;display:flex;flex-direction:column;gap:45px;position:sticky;top:0;height:100vh}.nav{display:flex;flex-direction:column;gap:7px}.nav-link{display:flex;align-items:center;gap:13px;border-radius:13px;padding:13px 15px;color:#6a7064;font-size:14px;font-weight:700}.nav-link:hover{background:#f4f6ef}.nav-link.active{background:#eff7e3;color:#375b1c}.nav-icon{font-size:20px;font-weight:400;width:21px;text-align:center}.sidebar-note{margin-top:auto;background:#fafbf7;border:1px solid var(--line);border-radius:18px;padding:18px 14px;font-size:12px;color:var(--muted)}.sidebar-note strong{display:block;color:var(--ink);font-size:14px;margin:5px 0}.profile{display:flex;align-items:center;gap:11px;padding-top:20px;border-top:1px solid var(--line)}.avatar{width:36px;height:36px;background:var(--purple);border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px}.profile-name{font-size:14px;font-weight:700}.profile small{display:block;color:var(--muted);font-size:11px}.logout{margin-left:auto;border:0;background:none;color:var(--muted);padding:7px}.content{padding:34px 48px 60px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:36px;min-height:35px}.breadcrumb{color:var(--muted);font-size:13px;display:flex;gap:9px;align-items:center}.breadcrumb a:hover{color:var(--ink)}.top-pill{border:1px solid var(--line);border-radius:50px;padding:7px 13px;font-size:12px;display:flex;align-items:center;gap:8px}.status-dot{width:7px;height:7px;background:#87b849;border-radius:50%}.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:#68735c;margin-bottom:12px}.muted{color:var(--muted)}.intro{font-size:15px;color:var(--muted);margin-top:16px;max-width:440px}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:18px;align-items:center;min-height:275px;margin-bottom:27px}.hero h1{max-width:520px}.hero-picture{height:285px;display:flex;align-items:center;justify-content:center}.hero-picture img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.hero .greeting{display:flex;align-items:center;gap:8px;margin-bottom:14px;color:#586250;font-size:14px}.greeting span{font-size:19px}.hero-copy{padding:7px 0 18px}.learning-grid{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:18px}.continue-card{background:var(--green);border:1px solid #b7e75c;border-radius:var(--radius);padding:25px 29px;position:relative;overflow:hidden;display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:164px}.continue-card .eyebrow{font-size:10px;color:#46612e;margin-bottom:8px}.continue-card h2{font-size:23px;max-width:330px}.continue-card p{font-size:13px;color:#4a6435;margin-top:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;background:var(--ink);color:#fff;padding:13px 19px;border-radius:12px;font-weight:700;font-size:14px;min-height:46px;line-height:1.25;transition:transform .15s,background .15s;white-space:nowrap}.btn:hover{transform:translateY(-1px);background:#3a4132}.btn.green{background:var(--green);color:var(--ink)}.btn.green:hover{background:#bcec59}.btn.secondary{background:#fff;color:var(--ink);border-color:var(--line)}.btn.secondary:hover{background:#f4f6ef}.btn.soft{background:#f0f4e9;color:#4d6338}.btn.small{padding:9px 13px;min-height:37px;font-size:13px;border-radius:10px}.btn.link{background:none;color:var(--muted);padding:8px;border:0}.btn.full{width:100%}.round-arrow{display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#fff;width:48px;height:48px;font-size:23px;flex-shrink:0}.daily-card{border:1px solid var(--line);border-radius:var(--radius);padding:22px 23px;display:flex;flex-direction:column;justify-content:center}.daily-heading{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px}.daily-card strong{font-family:Manrope,sans-serif;font-size:27px;display:block;margin:12px 0 5px}.daily-card strong span{font-size:13px;font-family:'DM Sans',sans-serif;font-weight:400;color:var(--muted)}.progress-track{height:7px;background:#eff1e9;border-radius:20px;overflow:hidden;margin:10px 0}.progress-fill{height:100%;background:#91bc48;border-radius:20px}.daily-card p{font-size:11px;color:var(--muted)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:34px 0 19px}.section-heading h2{font-size:22px}.tabs{display:flex;gap:5px;background:#f4f5ef;border:1px solid #eef0e8;padding:4px;border-radius:50px}.tab{padding:7px 18px;border:0;border-radius:50px;color:var(--muted);font-size:12px;font-weight:700;background:none}.tab.active{background:#fff;color:var(--ink);box-shadow:0 1px 4px #20241e10}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.topic-card{border:1px solid var(--line);border-radius:21px;padding:22px;display:flex;flex-direction:column;min-height:217px;transition:transform .18s,box-shadow .18s}.topic-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px #20241e08}.topic-icon{width:50px;height:50px;display:grid;place-items:center;font-size:25px;background:#edf7de;border-radius:16px;margin-bottom:20px}.topic-card.blue .topic-icon{background:var(--blue)}.topic-card.purple .topic-icon{background:var(--purple)}.topic-card.orange .topic-icon{background:var(--orange)}.topic-card h3{margin-bottom:7px}.topic-description{font-size:12px;color:var(--muted);margin-bottom:20px;min-height:36px}.topic-footer{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:auto}.topic-footer .arrow{font-size:20px;color:#566647}.tiny-bar{height:4px;background:#f0f2eb;border-radius:8px;margin-top:12px;overflow:hidden}.tiny-bar span{display:block;height:100%;background:#b2da72}.bottom-note{display:flex;align-items:center;gap:8px;margin-top:28px;font-size:12px;color:var(--muted)}.bottom-note .dot{color:#7d9e53}.page-head{margin:13px 0 28px}.page-head h1{font-size:38px;letter-spacing:-1.3px}.page-head p{color:var(--muted);margin-top:11px;max-width:650px;font-size:14px}.page-head .topic-icon{margin-bottom:17px}.panel{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:white}.topic-layout{display:grid;grid-template-columns:1fr 280px;gap:20px}.lesson-list{display:flex;flex-direction:column;gap:13px;margin-top:20px}.lesson-card{border:1px solid var(--line);border-radius:17px;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.lesson-number{display:grid;place-items:center;min-width:38px;height:38px;border-radius:12px;background:#eef6e4;color:#627e42;font-weight:700;font-size:14px}.lesson-card-copy{flex:1}.lesson-card p{font-size:12px;color:var(--muted);margin-top:5px}.side-panel{background:var(--paper)}.side-panel h3{margin-bottom:12px}.side-panel p{font-size:13px;color:var(--muted);margin-bottom:20px}.stats-row{display:flex;gap:28px;flex-wrap:wrap;margin:23px 0}.stat strong{font-family:Manrope,sans-serif;font-size:25px;display:block;font-weight:800}.stat span{font-size:12px;color:var(--muted)}.source-list{font-size:12px;color:var(--muted);display:grid;gap:8px;margin:15px 0 0}.practice-shell,.lesson-shell{max-width:810px;margin:0 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summary{font-size:12px;font-weight:700;cursor:pointer;padding:15px 20px;color:#737661}.passage .reading-text{font-size:16px;white-space:pre-line;padding:0 24px 24px;line-height:1.85;color:#3f4339;max-height:600px;overflow:auto}.source-image{margin:20px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden}.source-image summary{padding:12px 18px;font-size:13px;cursor:pointer;color:var(--muted)}.source-image img{display:block;max-width:100%;height:auto;margin:auto}.answer-area{margin-top:28px}.answer-label{display:block;font-size:13px;font-weight:700;margin-bottom:9px}.answer-input,.answer-select{width:100%;border:1.5px solid #dfe4d6;border-radius:11px;background:white;padding:12px 15px;min-height:49px;transition:border .15s;color:var(--ink)}.answer-input:hover,.answer-select:hover{border-color:#b3c493}.answer-input:focus,.answer-select:focus{border-color:#89ad52;outline:2px solid #e1efce;outline-offset:1px}.single-input{max-width:350px;display:flex;gap:12px;align-items:center}.unit{font-size:14px;color:var(--muted);white-space:nowrap}textarea.answer-input{min-height:135px;resize:vertical}.options{display:grid;gap:11px}.option{display:flex;align-items:center;gap:13px;padding:15px 18px;background:#fff;border:1.5px solid #e5e8df;border-radius:13px;font-size:15px;text-align:left;min-height:55px}.option:hover{background:#fafbf6;border-color:#b8c99c}.option.selected{background:#f1f9e6;border-color:#95be55}.option-key{display:grid;place-items:center;width:27px;height:27px;border-radius:8px;background:#f1f3eb;font-size:12px;font-weight:700;color:#768366;flex-shrink:0}.option.selected .option-key{background:var(--green);color:#375b1c}.field-list{display:grid;gap:18px}.field-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(100px,220px);gap:15px;align-items:center}.field-row 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0}.number-wall{display:flex;flex-direction:column;align-items:center;gap:7px;padding:20px 0}.wall-row{display:flex;justify-content:center;gap:7px}.wall-stone{min-width:83px;min-height:52px;border-radius:10px;display:grid;place-items:center;border:1px solid #d6e3c4;background:#eef7e3;font-size:22px;font-weight:700}.wall-stone.top{background:var(--green);border-color:#abd555}.wall-stone select{width:100%;border:0;background:#fff;border-radius:10px;min-height:50px;text-align:center;font:inherit;padding:7px 15px;cursor:pointer}.wall-bottom{background:white;overflow:hidden}.grid-widget{display:grid;gap:5px;width:max-content;max-width:100%;margin:20px auto}.grid-cell{width:clamp(27px,6vw,43px);height:clamp(27px,6vw,43px);background:#fafcf6;border:1px solid #dce3d2;border-radius:5px;font-size:11px}.grid-cell.fixed{background:#ceddad;border-color:#aec18f;cursor:default}.grid-cell.selected{background:var(--green);border-color:#8eb444}.legend{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0}.legend-chip{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:6px 12px;font-size:12px}.legend-chip.selected{border-color:#809f50;box-shadow:0 0 0 2px #e8f2db}.color-dot{height:13px;width:13px;border-radius:50%;display:inline-block;border:1px solid #00000015}.balls{display:flex;flex-wrap:wrap;justify-content:center;gap:17px;border:1px solid var(--line);border-radius:17px;background:#fafbf6;padding:27px 20px}.ball{width:48px;height:48px;border:3px solid #ffffff;border-radius:50%;box-shadow:0 0 0 1px #d9ded2,inset -5px -6px 0 #00000009;font-size:12px;font-weight:700;color:#24291e;text-shadow:0 1px 3px #ffffff90}.practice-actions{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}.hint-button{display:flex;align-items:center;gap:7px;background:none;border:0;color:#73815e;font-size:13px;padding:10px 0}.hint{padding:15px 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var(--line);padding-left:24px;margin-top:10px;display:flex;flex-direction:column;gap:17px}.step-link{display:flex;gap:10px;font-size:12px;line-height:1.5;color:var(--muted);background:none;border:0;text-align:left;padding:0}.step-link.active{color:var(--ink);font-weight:700}.step-dot{display:grid;place-items:center;flex-shrink:0;width:22px;height:22px;background:#f0f3e9;border-radius:50%;font-size:10px}.step-link.active .step-dot{background:var(--green)}.step-link.done .step-dot{background:#edf6df;color:#6d8f42}.lesson-text{white-space:pre-line;font-size:16px;line-height:1.85;margin:22px 0}.lesson-widget{background:#f8faf4;border:1px solid #e9ede0;border-radius:19px;padding:24px;margin-top:23px}.sentence-preview{background:white;border:1px solid #e0e6d7;border-radius:12px;padding:19px;margin-bottom:17px;font-size:18px;line-height:1.7}.sentence-chips{display:flex;gap:8px;flex-wrap:wrap}.sentence-chip{padding:10px 12px;border-radius:10px;border:1px solid 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7vw;display:flex;flex-direction:column}.login-main{flex:1;max-width:1050px;width:100%;margin:35px auto;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:75px}.login-visual img{width:100%;height:310px;object-fit:contain;margin-top:22px}.login-visual p{color:var(--muted);font-size:15px;margin-top:18px;max-width:400px}.login-card{border:1px solid var(--line);border-radius:28px;padding:35px;background:#fff;box-shadow:0 12px 65px #20241e05}.login-card h2{margin-bottom:9px;font-size:25px}.login-card>p{color:var(--muted);font-size:13px;margin-bottom:25px}.login-form{display:grid;gap:18px}.login-form .btn{margin-top:4px}.login-note{border-top:1px solid var(--line);margin-top:24px;padding-top:18px;font-size:12px;color:var(--muted)}.login-footer{font-size:12px;color:var(--muted);text-align:center}.initial-loading{min-height:60vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:25px}.loading-card{border-radius:20px;background:var(--paper);padding:40px;text-align:center;color:var(--muted)}.spinner{width:26px;height:26px;border:3px solid #e5ebdc;border-top-color:#93b755;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 14px}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fade .2s ease-out}@keyframes fade{from{opacity:.3;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.mobile-brand{display:none}.practice-menu{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.review-banner{padding:20px 24px;background:#eee9fb;border-radius:19px;display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:25px}.review-banner p{font-size:13px;color:#706687;margin-top:5px}.rubric{padding-left:20px;font-size:14px;line-height:1.8;margin:14px 0}.check-label{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin:18px 0}.check-label input{width:19px;height:19px;margin-top:2px;accent-color:#90b752}.lesson-quick-feedback{margin-top:15px;font-size:14px;color:#577335}.small-count{font-size:12px;color:var(--muted)}
@media(min-width:1400px){.content{padding-left:65px;padding-right:65px}}@media(max-width:1100px){.shell{grid-template-columns:185px 1fr}.sidebar{padding:30px 16px}.content{padding:30px}.hero{grid-template-columns:1.3fr 1fr}.hero-picture{height:240px}.hero h1{font-size:42px}.learning-grid{grid-template-columns:1fr 205px}.continue-card{padding:23px}.topic-card{padding:18px}.topic-grid{gap:12px}.lesson-layout{grid-template-columns:1fr}.lesson-stepper{display:flex;flex-direction:row;flex-wrap:wrap;border-left:0;padding-left:0;grid-row:1}.step-link{font-size:11px;max-width:180px}.progress-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:800px){.shell{display:block}.sidebar{height:auto;position:static;border-right:0;border-bottom:1px solid var(--line);padding:17px 22px;gap:0;display:flex;flex-direction:row;align-items:center;justify-content:space-between}.sidebar .brand{font-size:24px}.sidebar .brand-mark{width:31px;height:31px;border-radius:10px}.nav{flex-direction:row;gap:3px}.nav-link{padding:9px 12px;font-size:12px;gap:7px}.nav-icon{font-size:17px;width:auto}.sidebar-note,.profile{display:none}.content{padding:24px}.topbar{margin-bottom:23px}.hero{min-height:230px;grid-template-columns:1.3fr 1fr}.hero h1{font-size:36px}.hero-picture{height:230px}.hero .intro{font-size:13px}.learning-grid{grid-template-columns:1fr 200px}.continue-card{min-height:150px}.continue-card h2{font-size:20px}.topic-grid{grid-template-columns:repeat(2,1fr)}.topic-layout{grid-template-columns:1fr}.side-panel{display:grid;grid-template-columns:1fr auto;align-items:center;gap:15px}.side-panel p{margin-bottom:0}.side-panel .source-list{grid-column:1/-1}.progress-panels{grid-template-columns:1fr}.login-main{gap:35px}.login-card{padding:26px}.login-visual h1{font-size:37px}.login-visual img{height:220px}}@media(max-width:580px){.sidebar{padding:15px 18px;flex-wrap:wrap;gap:16px}.sidebar .brand{font-size:25px}.nav{width:100%;justify-content:space-between}.nav-link{flex:1;justify-content:center;padding:9px 10px}.content{padding:21px 18px 40px}.top-pill{padding:5px 10px;font-size:10px}.breadcrumb{font-size:11px}.hero{display:flex;flex-direction:column;gap:0;align-items:flex-start;margin-bottom:20px}.hero-copy{padding-bottom:0}.hero h1{font-size:39px;max-width:380px}.hero-picture{height:205px;width:100%;margin-top:5px}.hero-picture img{max-width:360px}.hero .intro{font-size:14px;max-width:340px}.learning-grid{grid-template-columns:1fr;gap:12px}.continue-card{padding:23px;min-height:141px}.continue-card h2{font-size:22px}.daily-card{padding:16px 20px;display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.daily-card strong{font-size:22px;margin:0;text-align:right}.daily-card .progress-track{grid-column:1/-1;margin:11px 0 7px}.daily-card p{grid-column:1/-1}.section-heading{margin-top:28px;gap:10px}.section-heading h2{font-size:19px}.tab{padding:7px 13px}.topic-grid{gap:11px}.topic-card{padding:17px 15px;min-height:204px;border-radius:18px}.topic-icon{width:44px;height:44px;font-size:23px;margin-bottom:17px;border-radius:13px}.topic-card h3{font-size:16px}.topic-description{font-size:11px;margin-bottom:14px}.topic-footer{font-size:10px}.page-head h1{font-size:31px}.panel{padding:22px}.lesson-card{padding:16px;gap:12px}.lesson-card h3{font-size:16px}.lesson-number{min-width:30px;height:30px}.exercise-card{padding:24px 20px;border-radius:21px}.exercise-card h1,.lesson-shell h1{font-size:25px}.prompt{font-size:16px}.field-row{grid-template-columns:1fr;gap:7px}.field-input-wrap{max-width:100%}.practice-actions{gap:10px}.practice-actions .btn{padding:12px 15px}.passage .reading-text{padding:0 19px 20px;font-size:15px}.wall-stone{min-width:74px;font-size:21px}.wall-stone select{padding:7px}.lesson-widget{padding:18px 15px}.lesson-stepper{gap:12px}.step-link{max-width:150px}.step-link:not(.active){font-size:0}.step-link:not(.active) .step-dot{font-size:10px}.progress-grid{gap:10px}.progress-stat{padding:18px}.progress-stat strong{font-size:25px}.login-page{padding:24px 20px}.login-main{display:block;margin:30px auto}.login-visual h1{font-size:39px}.login-visual img{height:195px;margin-top:5px}.login-card{margin-top:10px;box-shadow:none;padding:25px}.login-visual p{font-size:14px}.login-footer{padding:10px}.side-panel{display:block}.side-panel p{margin-bottom:18px}.feedback-actions .btn{flex:1}.review-banner{align-items:flex-start;flex-direction:column;gap:12px}.place-column{width:65px}.place-column input{width:60px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.topbar-right{display:flex;align-items:center;gap:10px}.mobile-logout{display:none;background:none;border:1px solid var(--line);border-radius:50%;width:31px;height:31px;color:var(--muted)}@media(max-width:800px){.mobile-logout{display:inline-grid;place-items:center}}
.wall-number{width:82px;max-width:100%;min-height:50px;border:0;text-align:center;font:inherit;background:#fff;border-radius:10px;padding:7px}.wall-number[readonly]{background:#e6eddc;color:#68775a}.chart-value{max-width:120px;padding:7px 12px;min-height:37px}.sentence-piece{border-radius:7px;padding:3px 5px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.sentence-piece.blue{background:#e8f1fd}.sentence-piece.green{background:#eaf5d9}.sentence-piece.purple{background:#eee7fa}.sentence-piece.orange{background:#fff0dd}.group-label{display:block;color:var(--muted);font-size:11px;margin-top:3px}.topic-extra{margin-top:12px}.lesson-widget .hint strong{display:inline;font-size:inherit}@media(max-width:580px){.wall-number{width:74px}}