@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{--navy:#112434;--navy2:#1b3646;--lime:#d2f779;--blue:#217dce;--ink:#172b3b;--muted:#647582;--line:#dfe6ec;--bg:#f4f7fa;--white:#fff;--green:#1c7854;--red:#bc3744}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:16px/1.55 'DM Sans',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,strong{font-family:'Manrope','DM Sans',sans-serif}h1{font-size:clamp(1.65rem,2.4vw,2.5rem);line-height:1.23;letter-spacing:-1px;margin:10px 0}h2{font-size:1.2rem;line-height:1.35;margin:0 0 14px}h3{font-size:1.05rem;margin:10px 0}p{margin:8px 0 16px;color:var(--muted)}small{font-size:.8rem}button{border:0}select{border:1px solid var(--line);background:white;padding:9px 32px 9px 12px;border-radius:8px;max-width:100%;color:var(--ink)}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--navy);color:white;padding:32px 18px 14px;display:flex;flex-direction:column;z-index:50;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px;color:white;font:bold 1rem/1.2 Manrope,sans-serif;padding:0 14px 30px}.brand:hover{text-decoration:none}.brand small{display:block;color:#adbfcc;letter-spacing:3.5px;margin-top:6px;font-size:.7rem}.brand-icon{background:var(--lime);color:var(--navy);width:45px;height:45px;border-radius:12px;font-size:32px;display:grid;place-content:center;position:relative}.brand-icon span{position:absolute;right:3px;top:0;font-size:20px}.workspace-label{font-size:.67rem;color:#8ea3b2;letter-spacing:1.3px;padding:0 14px 12px}.sidebar nav{display:grid;gap:3px}.nav-item{display:flex;gap:13px;align-items:center;color:#b9c6d1;padding:10px 14px;border-radius:8px;font-size:.875rem;min-height:44px}.nav-item:hover{background:#203847;text-decoration:none;color:white}.nav-item.active{background:var(--lime);color:var(--navy);font-weight:700}.nav-icon{font-size:1.15rem;width:22px;text-align:center}.nav-count{font-size:.72rem;margin-left:auto}.sidebar-foot{display:flex;gap:10px;align-items:center;margin-top:auto;border-top:1px solid #2b4352;padding:20px 10px 0;font-size:.9rem}.sidebar-foot small{display:block;color:#90a6b6}.avatar{display:grid;place-content:center;width:38px;height:38px;border:1px solid #527081;border-radius:50%;font-size:.75rem}.shell{margin-left:250px}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 42px;background:#ffffffcc;gap:18px}.crumb{font-size:.875rem;color:var(--muted)}.crumb span{margin:0 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var(--line);padding:26px;border-radius:12px;margin-bottom:20px}.readiness{margin:0;text-align:center}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-title h2{margin:0;font-size:1rem}.section-title a{font-size:.85rem}.section-title>span{color:var(--muted)}.ring{width:134px;height:134px;border-radius:50%;background:conic-gradient(var(--blue) var(--value),#edf1f5 0);display:grid;place-content:center;margin:20px auto 15px}.ring>div{width:111px;height:111px;border-radius:50%;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center}.ring strong{font-size:1.85rem}.ring small{color:var(--muted);font-size:.7rem}.readiness>strong{font-size:.94rem}.readiness>p{font-size:.78rem;max-width:290px;margin:7px auto 0}.mock-card{display:flex;gap:15px;align-items:center;background:#e7eff9;border:1px solid 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var(--line);border-radius:6px;display:grid;place-content:center;font-size:.85rem;flex-shrink:0}.answer.selected{border-color:var(--blue);background:#edf5ff}.answer.correct{border-color:#5aa782;background:#ecf8ef;opacity:1}.answer.incorrect{border-color:#c9737b;background:#fff1f2;opacity:1}.feedback{padding:20px;border-radius:10px;margin-top:20px}.feedback.good{background:#edf8f0;color:var(--green)}.feedback.bad{background:#fff4ef;color:#9e562c}.feedback p{color:inherit;font-size:.93rem;margin:9px 0}.text-btn{color:var(--muted);background:transparent;min-height:44px;font-size:.85rem;text-decoration:underline}.muted{color:var(--muted)}.notice{padding:17px 20px;background:#f0f5fb;border-left:3px solid var(--blue);border-radius:4px;color:#435e73;font-size:.9rem;margin:15px 0}.notice p{color:inherit;margin:8px 0 0}.notice.warning{background:#fff8e5;border-color:#c89427;color:#7a5c19}.result-card{text-align:center}.result-number{font-size:4rem;color:var(--blue)}.result-number small{font-size:1.5rem}.result-card .btn{margin:10px 5px}.review-item{padding:18px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;min-height:30px;font-weight:600}details p{font-size:.9rem;padding-left:18px}.success-text{color:var(--green)}.error-text{color:var(--red)}.skip{position:absolute;left:-1000px;top:10px;z-index:100}.skip:focus{left:20px;background:white;padding:15px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.toolbar{display:flex;align-items:end;gap:16px;flex-wrap:wrap;margin:18px 0 24px}.field{display:flex;flex-direction:column;gap:7px;flex:1;min-width:160px}.field label{font-size:.85rem;font-weight:600}input,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:white;color:var(--ink)}textarea{resize:vertical;min-height:160px;line-height:1.7}.list{padding-left:22px;color:var(--muted)}.list li{margin:9px 0}.empty{padding:45px 20px;text-align:center;color:var(--muted)}.metric-bar{height:9px;background:#eaf0f5;border-radius:6px;overflow:hidden;margin:10px 0}.metric-bar span{height:100%;display:block;background:var(--blue);border-radius:6px}.check-row{display:flex;gap:12px;align-items:flex-start;border-bottom:1px solid var(--line);padding:13px 0;cursor:pointer}.check-row input{width:20px;height:20px;flex-shrink:0;margin-top:3px;accent-color:var(--blue)}.source-card a{overflow-wrap:anywhere}.chart{display:flex;align-items:flex-end;gap:10px;height:180px;margin:20px 0 6px;border-bottom:1px solid var(--line);padding:0 5px}.chart-col{flex:1;display:flex;flex-direction:column;justify-content:end;align-items:center;height:100%;min-width:0;position:relative}.chart-bar{background:#7db6e5;width:min(100%,40px);min-height:2px;border-radius:5px 5px 0 0}.chart-col span{font-size:.72rem;color:var(--muted)}.chart-labels{display:flex;gap:10px}.chart-labels span{flex:1;text-align:center;font-size:.68rem;color:var(--muted)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.87rem}th,td{text-align:left;padding:14px 10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:500}.action-card .btn{margin-top:15px}.action-card h2{margin-top:10px}.action-card p{font-size:.9rem}.mini-number{font-size:2rem;color:var(--blue)}.phase-label{color:var(--blue);font-size:.72rem;letter-spacing:1px;font-weight:700}.flashcard{display:block;width:100%;min-height:170px;padding:22px;text-align:center;background:#edf4fc;border:1px solid #c8dcf0;border-radius:12px;color:var(--ink)}.flashcard strong{display:block;font-size:1.15rem;margin:15px 0}.flashcard small{color:var(--muted)}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.tabs button{padding:10px 15px;border:1px solid var(--line);border-radius:20px;background:white;color:var(--ink)}.tabs button.active{background:var(--navy);color:white}.inline-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.data-hint{font-size:.85rem}.scenario-model{font-size:1.1rem;line-height:1.8;border-left:3px solid var(--blue);padding:5px 20px}.pill-list{display:flex;flex-wrap:wrap;gap:8px}.sticky-clock{font:700 1.3rem monospace}.section-spacer{margin-top:28px}.toast{position:fixed;bottom:20px;right:24px;background:var(--navy);color:white;border-radius:9px;padding:14px 22px;z-index:100;max-width:85vw}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1700px){main{padding-top:45px}.today-panel{padding:36px}.today-panel h2{max-width:500px}}
@media(max-width:1200px){.sidebar{width:224px;padding-left:12px;padding-right:12px}.shell{margin-left:224px}.topbar{padding:0 26px}main{padding:28px 26px}.page-heading{align-items:flex-start}.page-heading>.tag{max-width:180px}.stats-grid{gap:12px}.stat-card{padding:17px}.stat-label{font-size:.78rem}.dashboard-grid{grid-template-columns:1.15fr 1fr}.today-panel{padding:25px}.today-panel h2{font-size:1.65rem}.route-grid{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:260px;box-shadow:20px 0 70px #0003}.sidebar.open{transform:translateX(0)}.shell{margin-left:0}.menu-btn{display:block;background:var(--navy);color:white;border-radius:7px;min-width:42px;height:42px;font-size:1.1rem}.mobile-brand{display:block;font-size:.8rem;white-space:nowrap}.crumb{display:none}.device-badge{display:none}.topbar{height:70px;padding:0 22px;position:sticky;top:0;z-index:30}.top-actions{gap:10px}main{padding:26px 22px}.page-heading h1{font-size:1.9rem}.page-heading>.tag{font-size:.65rem}.grid2{gap:15px}}
@media(max-width:600px){.topbar{padding:0 16px;gap:8px}.mobile-brand{font-size:.67rem}.top-actions select{font-size:.8rem;padding:8px;max-width:115px}.top-actions{gap:8px}main{padding:24px 16px 40px}.page-heading{display:block;margin-bottom:23px}.page-heading h1{font-size:1.85rem;letter-spacing:-.7px}.page-heading p{font-size:.9rem}.page-heading>.tag{margin-top:14px;max-width:none}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:20px}.stat-card{padding:15px}.stat-card strong{font-size:1.7rem}.stat-card small{font-size:.72rem}.stat-label{font-size:.75rem}.dashboard-grid{grid-template-columns:1fr}.today-panel{padding:24px}.today-panel h2{font-size:1.65rem}.dashboard-side{grid-template-columns:1fr;gap:15px}.readiness{padding:24px}.ring{margin:18px auto}.readiness>p{max-width:none}.route-grid{grid-template-columns:repeat(2,1fr);gap:10px}.route-card{padding:16px}.route-card h3{font-size:.9rem}.route-card p{font-size:.75rem}.section-title a{font-size:.73rem}.section-title h2{font-size:.95rem}.mock-card{padding:20px}.grid2,.grid3{grid-template-columns:1fr}.card{padding:21px}.quiz-wrap{padding:22px 18px;margin:0}.quiz-wrap h2{font-size:1.2rem}.quiz-top{font-size:.65rem}.quiz-meta{font-size:.85rem}.stimulus{font-size:1.4rem;letter-spacing:1px;padding:20px 12px}.answer{font-size:.95rem;padding:12px}.quiz-actions{gap:8px}.quiz-actions .btn{flex:1;font-size:.8rem}.quiz-actions .text-btn{font-size:.75rem}.result-number{font-size:3rem}.toolbar{gap:12px}.field{min-width:120px}footer{padding:20px 16px;font-size:.7rem}.chart{gap:5px}.chart-labels{gap:5px}.btn{min-height:48px}.inline-actions .btn{flex:1}.table-wrap{margin:0 -8px}.notice{padding:14px;font-size:.85rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:900px){.sidebar{visibility:hidden}.sidebar.open{visibility:visible}.page-heading>.btn{margin-top:16px}}
.lesson-copy{font-size:1.05rem;line-height:1.85;max-width:85ch}.review-item .stimulus{font-size:1.2rem}.chart{overflow-x:auto}.chart-col{min-width:18px}.chart-labels{overflow:hidden}
/* Account and invitation flows. */
.auth-page{min-height:100dvh;display:grid;place-items:center;padding:28px 16px;background:radial-gradient(circle at 12% 12%,#dfeebf 0,transparent 42%),#edf1f5}
.auth-card{width:min(100%,480px);padding:36px;border-radius:24px;background:#fff;box-shadow:0 22px 80px #11243418}
.auth-brand{font-size:21px;font-weight:850;color:#112434;letter-spacing:.01em;margin-bottom:24px}.auth-brand span{font-size:17px}.auth-language{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-bottom:24px}.auth-language label{font-size:14px}.auth-card h1{font-size:30px;line-height:1.2;margin-bottom:16px}.auth-card h1 small{font-size:20px}
.auth-card form{display:grid;gap:16px;margin-top:24px}.auth-card form .btn{width:100%;min-height:50px}.auth-card input,.auth-card select{width:100%;min-width:0;padding:12px;border:1px solid #ccd5dd;border-radius:9px;font:inherit}.auth-card select{width:auto}.auth-card p{line-height:1.6}.auth-disclaimer{font-size:13px;color:#637483;margin-top:28px}.auth-help{margin-top:20px;font-size:14px}.auth-help summary{cursor:pointer;font-weight:650}.form-error{color:#a5292d;min-height:1em;font-size:14px}.auth-card button:disabled{opacity:.6;cursor:wait}
.member-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;border-bottom:1px solid #e6ebee}.member-row small{display:block;color:#5b6d7c;overflow-wrap:anywhere;margin-top:5px}.member-row>div{min-width:0}.member-row .inline-actions{flex-wrap:wrap}.invite-link{width:100%;min-width:0;padding:12px;font:inherit;border:1px solid #becbd2;border-radius:8px;margin-bottom:16px}.sidebar-foot>div{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:600px){.auth-card{padding:26px 22px}.auth-card h1{font-size:27px}.member-row{align-items:flex-start;flex-direction:column}.member-row .btn{font-size:14px}.auth-brand{font-size:20px}}
.brand small{letter-spacing:.2px;font-size:12px}.brand-icon{flex-shrink:0}
.section-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}.section-tabs .btn{font-size:14px;min-height:46px}.plan-context{padding:12px 0;color:var(--blue);font-size:14px;font-weight:700}.today-panel progress{margin:8px 0 16px;accent-color:#d8f590}.today-panel .plan-note{font-size:14px;margin:14px 0 0}.mixed-callout{display:flex;gap:24px;justify-content:space-between;align-items:center}.mixed-callout p{margin-bottom:0}.sentence-builder{background:#eef4fa;border:1px solid #c8d8e8;border-radius:12px;min-height:100px;padding:24px;font-size:1.25rem;line-height:1.7;margin:24px 0}.word-choices{display:flex;gap:12px;flex-wrap:wrap}.word-choices .btn{font-size:16px}.voice-panel{padding:22px;background:#f0f6fb;border:1px solid #d4e4ef;border-radius:14px;margin-top:24px}.voice-panel audio{display:block;width:100%;margin:18px 0}.voice-panel details{margin-top:18px}.voice-panel input[type=file]{background:white;min-width:0;max-width:100%;font-size:14px}.stimulus{white-space:pre-wrap;overflow-wrap:anywhere}.plan-row .step{flex-shrink:0}.auth-card .password-toggle{font-size:14px;padding:4px 0;text-align:left}.quiz-wrap .feedback{scroll-margin-top:90px}.btn:disabled{cursor:default;opacity:.55}.section-tabs+.card{margin-top:0}.card:has(+.card){margin-bottom:22px}
@media(max-width:600px){.section-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.section-tabs .btn{padding:10px;font-size:14px}.section-tabs .btn:first-child{grid-column:1/-1}.mixed-callout{display:block}.mixed-callout>.btn{width:100%;margin-top:18px}.voice-panel{padding:16px}.word-choices .btn{padding:12px}.sentence-builder{padding:18px}.plan-context{font-size:13px}.stat-label,.stat-card small,.route-card p,.section-title a,.phase-label{font-size:14px}.quiz-top{font-size:13px}.top-actions select{font-size:16px}input,textarea,select{font-size:16px}.today-panel .plan-row{gap:12px}.today-panel .plan-row small{font-size:14px}}