:root{--bg:#f5f5ef;--paper:#fff;--ink:#203a34;--muted:#718079;--green:#173f35;--lime:#d5ed9f;--line:#e3e8df;--radius:20px;--shadow:0 12px 40px #153d3410}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;line-height:1.6}button,input,textarea,select{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}a{color:inherit}button{color:inherit}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #83ac55;outline-offset:3px}button{border:0}.skip{position:fixed;top:-70px;left:12px;padding:10px;background:var(--lime);z-index:200}.skip:focus{top:10px}
.sidebar{width:236px;position:fixed;inset:0 auto 0 0;background:var(--green);color:#fff;display:flex;flex-direction:column;padding:38px 22px 24px;z-index:10}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:25px;font-weight:750;letter-spacing:-1px}.brand b{font-size:13px;letter-spacing:1px;color:var(--lime);font-weight:500}.brand-mark{width:38px;height:41px;border-radius:11px;background:var(--lime);color:var(--green);font-family:Georgia,serif;font-style:italic;font-size:40px;line-height:39px;padding-left:9px;position:relative}.brand-mark span{font:18px sans-serif;position:absolute;top:0;right:3px}.side-caption{font-size:9px;letter-spacing:1.6px;color:#a8c2b7;margin:25px 0 30px 9px}.sidebar nav{display:flex;flex-direction:column;gap:9px}.nav-item{display:flex;align-items:center;gap:13px;background:none;color:#b9cec4;padding:13px 15px;border-radius:11px;text-align:left;font-size:13px;text-decoration:none}.nav-item.active{background:#ffffff16;color:#fff}.nav-item.active:after{content:'';width:6px;height:6px;border-radius:100%;background:var(--lime);margin-left:auto}.icon{width:21px;height:21px;flex-shrink:0;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.side-bottom{margin-top:auto;padding:30px 13px 0}.leaf{color:var(--lime);font-size:50px;font-weight:200;line-height:1.3}.side-bottom strong{font-family:Georgia,serif;font-size:23px;line-height:1.3;font-weight:400}.side-bottom p{color:#abc4b7;font-size:12px;margin:15px 0 30px}.version{font-size:8px;color:#91afa0;letter-spacing:1.5px}.workspace{margin-left:236px}header{height:90px;display:flex;align-items:center;justify-content:space-between;padding:0 42px;border-bottom:1px solid var(--line);gap:20px}.breadcrumb{font-size:11px;color:var(--muted)}.breadcrumb span{padding:0 12px;color:#b7c0b7}.breadcrumb b{font-weight:500;color:var(--ink)}.header-right{display:flex;align-items:center;gap:22px}.local-badge{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:6px}.local-badge i{width:5px;height:5px;background:#6c9c68;border-radius:100%}.level-control{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:8px}select{color:var(--ink);padding:6px 7px;border:1px solid var(--line);background:#fff;border-radius:7px;font-size:12px}.avatar{border-radius:100%;height:33px;width:33px;background:#e6e9d8;border:1px solid #d6dec8;font-weight:600;font-size:12px}.mobile-brand,.mobile-nav{display:none}main{padding:34px 42px 10px;max-width:1500px;margin:0 auto;min-height:calc(100vh - 160px)}h1,h2,h3,p{margin-top:0}h1{font-size:30px;letter-spacing:-1.1px;line-height:1.3;font-weight:650;margin-bottom:8px}h2{font-size:19px;letter-spacing:-.5px;font-weight:650;margin-bottom:6px}h3{font-size:16px;line-height:1.4;margin-bottom:8px;font-weight:620}.muted{color:var(--muted)}.small{font-size:12px}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:9px;font-weight:650}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:26px;gap:16px}.page-heading p{color:var(--muted);font-size:12px;margin:0}.date-chip{font-size:11px;background:#fff;padding:8px 12px;border:1px solid var(--line);border-radius:8px;white-space:nowrap}.hero{background:var(--green);border-radius:var(--radius);color:#fff;padding:30px 34px;position:relative;overflow:hidden;min-height:222px;display:flex;align-items:center;gap:20px}.hero-copy{position:relative;z-index:1;max-width:65%}.hero .eyebrow{color:#bed69e}.hero h2{font-family:Georgia,serif;font-size:36px;line-height:1.17;letter-spacing:-.8px;font-weight:400;margin:13px 0 12px}.hero p{font-size:12px;color:#c1d3c8;max-width:360px;margin-bottom:20px}.btn{border-radius:9px;padding:11px 17px;background:var(--green);color:#fff;display:inline-flex;gap:10px;align-items:center;justify-content:center;font-size:12px;text-decoration:none;font-weight:600;line-height:1.5}.btn.lime{background:var(--lime);color:var(--green)}.btn.white{background:#fff;color:var(--green);border:1px solid var(--line)}.btn.danger{background:#faf1ed;color:#a44735}.btn .icon{width:16px;height:16px}.hero-art{width:235px;position:absolute;right:27px;top:10px;bottom:0;opacity:.95}.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px;margin-top:26px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:27px 0 15px}.section-heading h2{margin:0}.section-heading .muted{font-size:11px}.text-btn{background:none;color:var(--green);font-size:11px;padding:0;text-decoration:none}.skills-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.skill-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 16px;text-align:left;position:relative;transition:transform .18s,border-color .18s;min-height:177px}.skill-card:hover{transform:translateY(-3px);border-color:#9caf94}.skill-card .icon-wrap{display:flex;align-items:center;justify-content:center;height:39px;width:39px;border-radius:11px;margin-bottom:18px}.icon-wrap.reading{background:#eef4dd;color:#5f7534}.icon-wrap.listening{background:#e5eff9;color:#4d7795}.icon-wrap.writing{background:#faf0df;color:#a27a42}.icon-wrap.speaking{background:#eee8f7;color:#87709c}.skill-card h3{font-size:14px;margin-bottom:1px}.skill-card p{font-size:10px;color:var(--muted);margin-bottom:14px}.skill-card .arrow{position:absolute;right:15px;top:23px;color:#9eaca4}.tag{display:inline-flex;align-items:center;gap:5px;font-size:9px;background:#f2f4ed;color:#6e7d62;border-radius:5px;padding:3px 6px;font-weight:600}.tag.blue{background:#eef2f9;color:#4d7795}.note{font-size:11px;color:var(--muted);line-height:1.65}.plan-head{display:flex;align-items:center;justify-content:space-between;gap:6px}.plan-head h2{font-size:16px}.plan-list{margin-top:19px}.plan-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid #f0f2eb}.plan-row:last-child{border:0}.plan-circle{width:23px;height:23px;border:1px solid #dce5d3;color:#799465;border-radius:100%;display:grid;place-items:center;flex-shrink:0;font-size:11px}.plan-circle.done{background:var(--lime);border-color:var(--lime);color:var(--green)}.plan-row button{background:none;text-align:left;flex:1;padding:0}.plan-row b{font-size:11px;display:block;font-weight:550}.plan-row span{font-size:10px;color:var(--muted)}.thin-progress{height:5px;background:#eef1e8;border-radius:5px;overflow:hidden;margin-top:16px}.thin-progress i{display:block;background:#72945a;height:100%;border-radius:5px}.quote-card{margin-top:18px;background:#e9eddf;border-radius:15px;padding:21px}.quote-card .quote{font-family:Georgia,serif;font-size:19px;line-height:1.45}.quote-card p{font-size:10px;color:#728268;margin-bottom:0}.activity-strip{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-top:16px}.activity-strip .stat-big{font-size:27px;line-height:1.1;letter-spacing:-1px}.activity-strip .stat-label{font-size:10px;color:var(--muted)}.activity-strip>div{flex:1}.activity-strip>div+div{border-left:1px solid var(--line);padding-left:20px}.tip-row{padding:20px;display:flex;gap:15px;background:#efeedf;border-radius:14px;margin-top:17px}.tip-row p{font-size:11px;color:#7a7d66;margin:4px 0 0}.tip-row h3{font-size:12px;margin:0}.tip-row .icon{color:#8e9364}.tabs{display:flex;gap:7px;flex-wrap:wrap;margin:24px 0}.tab{padding:9px 16px;border-radius:8px;background:#e9ede3;font-size:12px;color:#6b7b6a}.tab.active{background:var(--green);color:#fff}.exercise-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.exercise-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column}.exercise-card h3{font-size:18px;margin:15px 0 9px}.exercise-card p{font-size:12px;color:var(--muted);flex:1}.exercise-card .card-meta{display:flex;gap:12px;color:var(--muted);font-size:10px;margin-bottom:18px}.exercise-card .btn{align-self:flex-start}.info-banner{padding:14px 18px;border-radius:10px;background:#eaf0e1;color:#627454;font-size:12px;margin:20px 0}.empty{padding:48px 24px;text-align:center;border:1px dashed #cbd7c5;border-radius:16px;color:var(--muted)}.empty h3{color:var(--ink)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}.spaced{margin-top:22px}.progress-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:14px}.stat-card strong{font-size:29px;font-weight:500;display:block}.stat-card span{font-size:11px;color:var(--muted)}.history-row{display:flex;align-items:center;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}.history-row:last-child{border:0}.history-row .result{margin-left:auto;white-space:nowrap;font-weight:600}.history-row .result small{font-weight:400;color:var(--muted)}.history-row h3{margin:0;font-size:13px}.history-row p{font-size:10px;color:var(--muted);margin:3px 0 0}.history-actions{display:flex;gap:12px;margin-top:23px;flex-wrap:wrap}footer{padding:24px 42px;display:flex;justify-content:space-between;gap:12px;color:#9aa395;font-size:9px}footer b{padding:0 8px;font-weight:400}footer .text-btn{font-size:9px;color:#7e8c78}.modal-backdrop{position:fixed;inset:0;z-index:60;background:#112e2985;display:flex;align-items:center;justify-content:center;padding:26px;backdrop-filter:blur(4px)}.modal{background:var(--bg);border-radius:21px;width:1100px;max-width:100%;max-height:94vh;overflow:auto;box-shadow:0 25px 90px #0004}.modal.small-modal{width:780px}.modal-top{padding:20px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;position:sticky;top:0;z-index:2}.modal-top h2{font-size:18px;margin:0}.modal-top .eyebrow{font-size:8px;margin-bottom:4px;color:var(--muted)}.close{height:33px;width:33px;border-radius:100%;background:#f1f3ec;font-size:22px;font-weight:300}.timer{font-variant-numeric:tabular-nums;font-size:17px;font-weight:550;color:var(--green);background:#eef3e4;padding:6px 11px;border-radius:8px;white-space:nowrap}.timer.expired{background:#fae4de;color:#a44735}.modal-body{padding:25px}.exercise-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.passage{font-family:Georgia,serif;font-size:17px;line-height:1.9;white-space:pre-line;color:#354840}.passage h3{font-family:Inter,sans-serif}.question{background:#fff;border:1px solid var(--line);padding:22px;border-radius:14px;margin-bottom:14px}.question p{font-weight:550;font-size:14px;margin-bottom:15px}.question-number{color:var(--muted);font-size:10px;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}.option{padding:12px 14px;border:1px solid var(--line);display:flex;gap:10px;align-items:flex-start;border-radius:9px;margin:9px 0;cursor:pointer;font-size:12px}.option:has(input:checked){background:#edf4e1;border-color:#7d9b63}.option input{accent-color:var(--green);margin-top:4px}.option.correct{background:#eaf5df;border-color:#94b86d}.option.wrong{background:#fbece7;border-color:#d49a8b}.explanation{padding:12px;background:#f1f5eb;border-radius:8px;font-size:12px;color:#5c7053;margin-top:13px}.modal-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:19px 26px;border-top:1px solid var(--line);background:#fff;flex-wrap:wrap}.listen-box{background:var(--green);color:#fff;border-radius:16px;padding:25px;text-align:center}.listen-box h3{margin:12px 0 6px}.listen-box p{color:#bcd0c2;font-size:11px}.wave{height:50px;display:flex;align-items:center;gap:4px;justify-content:center;margin-bottom:15px}.wave i{width:4px;border-radius:4px;background:#b6d28d;display:block}.listening-active .wave i{animation:wave .8s infinite alternate}@keyframes wave{from{transform:scaleY(.3)}to{transform:scaleY(1)}}details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:15px 18px;margin-top:15px}summary{cursor:pointer;font-size:12px;font-weight:600}details p,details li{font-size:13px;color:#62725f}details .passage{font-size:16px;margin-top:14px}.result-hero{text-align:center;padding:20px 10px 25px}.result-hero .score{font-family:Georgia,serif;font-size:62px;line-height:1.3;color:var(--green)}.result-hero p{color:var(--muted);font-size:12px}.text-editor{width:100%;min-height:370px;border:1px solid #d8e1d1;background:#fff;border-radius:12px;padding:20px;font-size:15px;line-height:1.8;resize:vertical;color:var(--ink)}.word-count{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin:8px 0 15px;gap:10px}.writing-prompt{font-size:15px;line-height:1.8;white-space:pre-line}.checklist{list-style:none;padding:0;margin-bottom:0}.checklist li{padding:6px 0;font-size:12px}.checklist input{accent-color:var(--green);margin-right:8px}.speaking-prompt{font-family:Georgia,serif;font-size:23px;line-height:1.6;white-space:pre-line}.speaking-clock{text-align:center;padding:24px;background:var(--green);border-radius:15px;color:#fff}.speaking-clock .big-clock{font-family:Georgia,serif;font-size:60px;line-height:1.4;font-variant-numeric:tabular-nums}.speaking-clock p{font-size:12px;color:#c1d3bd}.recorder{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-top:15px}.recorder audio{width:100%;margin-top:12px}.record-dot{height:8px;width:8px;display:inline-block;background:#bd5544;border-radius:100%;margin-right:6px}.recording .record-dot{animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.2}}.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.scene{background:#e7ecdd;border-radius:12px;padding:15px;font-size:12px}.scene svg{width:100%;height:120px}.scene strong{font-size:11px}.scene p{font-size:11px;margin:6px 0 0;color:#6f7e67}.flashcard{max-width:650px;margin:18px auto;text-align:center;background:#fff;border:1px solid var(--line);border-radius:23px;min-height:330px;padding:35px;box-shadow:var(--shadow)}.flashcard h2{font-family:Georgia,serif;font-size:44px;margin:28px 0 15px;font-weight:400}.flashcard p{font-size:15px}.flashcard .example{font-family:Georgia,serif;font-style:italic;font-size:19px;color:#6b7c67;margin:20px 0}.search{width:100%;max-width:330px;background:#fff;border:1px solid var(--line);padding:11px 15px;border-radius:10px}.vocab-controls{max-width:650px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.vocab-progress{max-width:650px;margin:22px auto}.format-table{width:100%;border-collapse:collapse;font-size:13px;margin:20px 0}.format-table th,.format-table td{padding:16px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.format-table th{font-size:10px;text-transform:uppercase;color:var(--muted)}.format-table td:first-child{font-weight:600}.source-link{display:block;margin-top:10px;font-size:12px;color:#426d4a;text-underline-offset:4px}.notice{background:#faf0de;color:#8a744f;padding:14px 18px;border-radius:10px;font-size:12px}.resume-banner{margin:17px 0 0;padding:14px 18px;border-radius:12px;border:1px solid #bdce9d;background:#f0f5e3;display:flex;align-items:center;gap:15px;justify-content:space-between}.resume-banner p{font-size:12px;margin:0}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#173f35;color:#fff;border-radius:10px;padding:12px 20px;font-size:12px;z-index:200;box-shadow:var(--shadow);display:none;max-width:90vw}.locked-note{font-size:10px;color:var(--muted);margin-top:7px}.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}
@media(min-width:1600px){main{padding-top:46px}.hero{min-height:250px}.hero h2{font-size:42px}}
@media(max-width:1200px){.sidebar{width:205px;padding-left:17px;padding-right:17px}.workspace{margin-left:205px}header{padding:0 27px}.breadcrumb{display:none}main{padding:28px 27px 10px}.header-right{margin-left:auto}.main-grid{grid-template-columns:minmax(0,1fr) 240px;gap:18px}.skills-grid{grid-template-columns:repeat(2,1fr)}.hero h2{font-size:32px}.hero-art{right:10px;width:200px}.hero-copy{max-width:65%}.exercise-grid{grid-template-columns:repeat(2,1fr)}footer{padding:24px 27px}}
@media(max-width:900px){.main-grid{grid-template-columns:1fr}.dashboard-aside{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}.quote-card{margin:0;display:flex;flex-direction:column;justify-content:center}.exercise-layout{grid-template-columns:1fr}.progress-grid{grid-template-columns:repeat(2,1fr)}.modal{max-height:96vh}.passage{font-size:16px}.local-badge{display:none}}
@media(max-width:680px){body{font-size:13px}.sidebar{display:none}.workspace{margin-left:0}header{height:70px;padding:0 19px}.mobile-brand{display:block;font-size:22px;font-weight:750;letter-spacing:-1px}.mobile-brand b{font-size:10px;letter-spacing:1px;margin-left:4px;font-weight:500;color:#789155}.header-right{gap:10px}.level-control{font-size:0;gap:0}.level-control select{font-size:12px}.avatar{display:none}main{padding:25px 18px 15px}h1{font-size:26px}.page-heading{margin-bottom:22px}.date-chip{font-size:9px;padding:7px 9px}.page-heading p{font-size:11px;max-width:230px}.hero{padding:25px 23px;min-height:235px;align-items:flex-start}.hero h2{font-size:31px}.hero-copy{max-width:83%}.hero p{font-size:11px;max-width:235px}.hero-art{right:-59px;top:44px;width:170px;opacity:.28}.hero .eyebrow{font-size:8px}.main-grid{margin-top:23px}.skill-card{padding:17px;min-height:169px}.skills-grid{gap:12px}.section-heading h2{font-size:17px}.section-heading .muted{font-size:10px}.dashboard-aside{display:block}.quote-card{display:none}.activity-strip{gap:12px;padding:18px 16px}.activity-strip .stat-big{font-size:24px}.activity-strip>div+div{padding-left:12px}.activity-strip .stat-label{font-size:9px}.exercise-grid{grid-template-columns:1fr}.exercise-card{padding:21px}.progress-grid{gap:11px}.stat-card{padding:18px}.stat-card strong{font-size:26px}footer{padding:20px 18px 90px;display:block}footer .text-btn{margin-top:8px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fffffff5;border-top:1px solid var(--line);padding:9px 9px calc(9px + env(safe-area-inset-bottom));backdrop-filter:blur(12px);justify-content:space-around}.mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:4px;color:#8c9988;text-decoration:none;font-size:8px;padding:3px 7px;border-radius:8px}.mobile-nav a.active{color:var(--green);background:#eef3e3}.mobile-nav .icon{width:20px;height:20px}.modal-backdrop{padding:0;align-items:stretch}.modal{border-radius:0;max-height:100dvh;width:100%;height:100%;overflow:auto}.modal-top{padding:15px 18px}.modal-top h2{font-size:15px;max-width:230px}.modal-body{padding:18px}.modal-actions{padding:15px 18px}.question{padding:18px}.timer{font-size:14px;padding:5px 8px}.modal-top .row{gap:8px}.format-table{font-size:11px}.format-table th,.format-table td{padding:13px 7px}.panel{padding:19px}.tabs{margin:21px 0;gap:6px}.tab{font-size:11px;padding:8px 12px}.flashcard{padding:27px 20px;min-height:300px}.flashcard h2{font-size:35px}.flashcard .example{font-size:17px}.history-row{gap:10px}.history-row h3{font-size:12px}.history-row .result{font-size:11px}.history-row .icon{width:18px}.history-row .text-btn{font-size:10px}.scene-grid{gap:8px}.scene{padding:11px}.scene svg{height:95px}#toast{bottom:85px}.date-chip{max-width:100px;white-space:normal;text-align:right}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.source-email{padding:17px 20px;background:#eaf0e1;border-left:3px solid #97b77a;border-radius:8px;font-size:13px;margin:18px 0 22px;line-height:1.75}