@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:#11263c;--navy2:#18334e;--ink:#1b3046;--muted:#6d7d8d;--line:#dce4e9;--bg:#f3f7f9;--white:#fff;--gold:#f2ba57;--teal:#087e7c;--soft:#e9f3f2;--red:#bd5248;font-family:Manrope,'DM Sans',sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.54}.shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}.rail{background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:29px 16px;min-height:100vh}.brand{display:flex;align-items:center;gap:12px;padding:0 12px 48px;font-size:16px;line-height:1.19;letter-spacing:.01em}.brand strong{font-size:19px}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:13px;color:var(--navy);background:var(--gold);font-size:31px;font-weight:800;font-family:Georgia,serif}.rail-caption,.eyebrow,.panel-label,.day-card span{font-size:12px;letter-spacing:.13em;font-weight:800}.rail-caption{color:#7896af;padding:0 17px 12px}.nav{display:grid;gap:5px}.nav-item{background:transparent;color:#b9cad9;border:0;text-align:left;padding:13px 15px;border-radius:11px;font-size:14px;font-weight:650;display:flex;align-items:center;gap:12px}.nav-item span{font-size:21px;font-weight:400;width:23px;line-height:1}.nav-item:hover,.nav-item.active{color:#fff;background:#24415c}.nav-item.active{box-shadow:inset 3px 0 var(--gold)}.rail-bottom{margin-top:auto;background:#1c3853;border-radius:14px;padding:16px;font-size:13px;font-weight:700}.rail-bottom p{font-weight:400;color:#bdcad6;line-height:1.5;margin:8px 0 0}.small-dot{display:inline-block;width:7px;height:7px;background:#87d1bd;border-radius:50%;margin-right:6px}main{min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;padding:26px clamp(24px,5vw,76px);border-bottom:1px solid var(--line);background:#fafcfd}.eyebrow{color:#8292a0}.eyebrow.amber{color:#bb8433;margin-bottom:12px}.top-right{color:#728394;font-size:13px}.view{display:none;max-width:1370px;margin:auto;padding:42px clamp(24px,5vw,76px) 80px}.view.active{display:block}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:flex-end;margin-bottom:30px}.section-head h1{font-size:clamp(27px,2.7vw,39px);line-height:1.18;letter-spacing:-.045em;margin:0 0 10px}.section-head p{color:var(--muted);font-size:15px;margin:0;line-height:1.65}.day-card{background:var(--navy);color:#fff;border-radius:16px;padding:18px 22px;min-width:170px;display:grid;gap:3px}.day-card span{color:#9db6ca;font-size:11px}.day-card strong{font-size:36px;line-height:1.3}.day-card small{font-size:11px;color:#aebfcd}.study-layout{display:grid;grid-template-columns:minmax(250px,315px) minmax(0,1fr);gap:18px;align-items:start}.panel{background:var(--white);border:1px solid var(--line);border-radius:19px;box-shadow:0 10px 32px rgba(25,51,75,.035);padding:24px}.panel-label{display:flex;align-items:center;gap:9px;color:#6b7d8d;margin-bottom:25px}.label-icon{width:30px;height:30px;border-radius:9px;background:var(--soft);color:var(--teal);display:grid;place-items:center;font-size:12px;letter-spacing:0}.field{margin-bottom:24px}label{display:block;font-size:14px;font-weight:750;margin-bottom:10px}input:not([type=file]),select,textarea{width:100%;border:1px solid #d7e1e7;background:#fff;border-radius:10px;color:var(--ink);padding:13px 14px;outline:none;font-size:14px}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%235b7185' stroke-width='2'%3E%3Cpath d='m4 7 5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:36px}input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #087e7c1c}.hint{font-size:12px;color:#7d8c99;line-height:1.55;margin:9px 0 0}.segmented{display:flex;border:1px solid var(--line);padding:4px;border-radius:11px;background:#f6f8f9}.segmented button{flex:1;border:0;background:transparent;border-radius:8px;padding:9px;color:#66798a;font-weight:750}.segmented button.selected{background:#fff;color:var(--ink);box-shadow:0 2px 7px #1c34401c}.primary,.secondary{border:0;border-radius:10px;padding:13px 17px;font-weight:800;font-size:14px}.primary{background:var(--teal);color:#fff;display:inline-flex;align-items:center;justify-content:space-between;gap:20px}.primary:hover{background:#086d6b}.primary span{font-size:19px;line-height:1}.secondary{background:#edf4f5;color:#125d65}.secondary:hover{background:#dcebec}.wide{width:100%}.setup-note{margin-top:27px;padding:17px;background:#f2f7f7;border-radius:12px;border-left:3px solid #93c8c3}.setup-note strong{font-size:13px}.setup-note p{margin:6px 0 0;line-height:1.55;color:#708392;font-size:12px}.work{min-height:488px}.welcome{display:grid;place-content:center;text-align:center;min-height:436px}.welcome-symbol{margin:0 auto 20px;border-radius:20px;width:72px;height:72px;display:grid;place-items:center;background:#e8f4f2;color:var(--teal);font-size:41px;font-family:Georgia,serif}.welcome h2{font-size:24px;letter-spacing:-.03em;margin:0 0 8px}.welcome p{font-size:14px;color:var(--muted);max-width:380px;margin:0 auto;line-height:1.65}.welcome-stat{display:flex;justify-content:center;gap:18px;color:#718494;font-size:12px;font-weight:650;margin-top:25px}.quiz-top{display:flex;justify-content:space-between;gap:15px;align-items:center;color:var(--muted);font-size:13px;font-weight:700}.quiz-top strong{color:var(--teal)}.progress-track{height:7px;background:#eaf0f2;border-radius:10px;margin:16px 0 33px;overflow:hidden}.progress-fill{height:100%;background:var(--teal);border-radius:10px;transition:width .25s}.question-type{font-size:12px;letter-spacing:.1em;font-weight:800;color:#a1722d;margin-bottom:12px}.question{font-size:clamp(20px,2.2vw,28px);line-height:1.4;letter-spacing:-.03em;margin:0 0 25px}.source-note{font-size:12px;color:#8795a0;margin-top:22px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choice{background:#fff;border:1px solid var(--line);border-radius:11px;text-align:left;padding:14px 15px;font-size:15px;font-weight:600;min-height:58px}.choice:hover:not(:disabled){border-color:var(--teal);background:#f5fbfa}.choice.correct,.choice.correct:disabled{border-color:#4ea897;background:#eaf7f3;color:#176556;opacity:1}.choice.wrong,.choice.wrong:disabled{border-color:#d39185;background:#fff0ed;color:#9d4c45;opacity:1}.choice:disabled{opacity:.62}.answer-input{font-size:19px!important;padding:16px!important}.keyboard{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.keyboard button{min-width:40px;height:38px;padding:0 10px;background:#edf3f5;border:1px solid #d7e4e7;color:#1d4759;border-radius:8px;font-size:18px;font-weight:700}.keyboard button:hover{background:#d9e9e9}.quiz-actions{margin-top:20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.feedback{margin-top:18px;border-radius:11px;padding:15px 17px;line-height:1.55;font-size:14px}.feedback.good{background:#e9f7f2;color:#176654}.feedback.bad{background:#fff0ed;color:#8f453f}.feedback small{display:block;opacity:.8;margin-top:5px}.result{text-align:center;padding:28px 0}.result-score{font-size:65px;font-weight:800;color:var(--teal);line-height:1.1;letter-spacing:-.07em}.result h2{margin:12px 0}.result p{color:var(--muted);font-size:14px;line-height:1.6}.result-list{margin:20px auto;max-width:480px;text-align:left}.result-list div{padding:11px 0;border-bottom:1px solid var(--line);font-size:13px}.result-list strong{display:block;color:var(--ink)}.result-list span{color:#84645b}.result-buttons{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.library-layout{display:grid;grid-template-columns:315px minmax(0,1fr);gap:18px;align-items:start}.lesson-row{display:flex;text-align:left;width:100%;border:1px solid transparent;background:transparent;padding:13px;border-radius:12px;margin:3px 0;gap:12px;align-items:center}.lesson-row.active{background:#eaf4f3;border-color:#cce3df}.lesson-row:hover{background:#f3f7f7}.lesson-num{width:36px;height:36px;border-radius:11px;background:#eaf0f3;display:grid;place-items:center;font-weight:800;color:#567180;flex-shrink:0;font-size:13px}.lesson-row.active .lesson-num{background:var(--teal);color:white}.lesson-row strong{font-size:14px;display:block}.lesson-row small{color:#80909e;font-size:12px;display:block;margin-top:2px}.detail h2{font-size:24px;margin:0 0 8px}.detail p{color:var(--muted);font-size:14px;line-height:1.6}.detail-top{display:flex;justify-content:space-between;align-items:start;gap:10px}.pill{font-size:12px;color:#31776f;background:#e5f3ef;padding:6px 9px;border-radius:20px;white-space:nowrap}.examples{display:grid;gap:8px;margin:23px 0}.example{border:1px solid #e2e9ed;border-radius:10px;padding:12px 14px}.example b{display:block;color:#193951;font-size:14px}.example span{display:block;color:#778997;font-size:13px;margin-top:3px}.transcript-toggle{margin:10px 0}.transcript{white-space:pre-wrap;font:13px/1.7 'DM Sans',sans-serif;max-height:550px;overflow:auto;background:#f6f9fa;border:1px solid var(--line);border-radius:11px;padding:19px;color:#415669}.import-panel{margin-top:18px}.import-panel h2{font-size:20px;margin:0 0 5px}.import-panel>p{font-size:14px;color:var(--muted);margin:0 0 20px}.import-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.import-panel textarea{resize:vertical}.import-panel input[type=file]{font-size:13px;width:100%;padding:10px;border:1px dashed #b7c9d0;border-radius:10px}.candidate{display:grid;grid-template-columns:1fr 1fr auto;gap:9px;align-items:end;border-bottom:1px solid var(--line);padding:12px 0}.candidate .field{margin:0}.candidate button{border:0;background:#fff0ed;color:#a95048;border-radius:9px;height:45px;padding:0 12px}.review-head{margin-top:25px;display:flex;justify-content:space-between;align-items:center;gap:12px}.review-head h3{margin:0}.review-head span{font-size:12px;color:var(--muted)}.review-actions{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}.translator{max-width:840px}.translate-header{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:18px}.translate-header select{max-width:230px}.translate-header span{color:#8292a0;font-size:12px}.translator textarea{font-size:16px;resize:vertical}.translate-actions{display:flex;justify-content:space-between;align-items:center;margin:18px 0}.translate-actions small{color:var(--muted)}.translation-output{background:#f4f8f9;border-radius:11px;border:1px solid var(--line);min-height:100px;padding:20px;font-size:17px;line-height:1.6;white-space:pre-wrap}.notice{color:#9a5244;background:#fff2ed;border-radius:9px;padding:11px;font-size:13px;margin-top:12px}.empty{color:var(--muted);font-size:14px;line-height:1.5}.hidden{display:none!important}@media(max-width:980px){.shell{grid-template-columns:1fr}.rail{min-height:auto;padding:13px 18px;flex-direction:row;align-items:center;gap:15px}.brand{padding:0;font-size:13px;white-space:nowrap}.brand strong{font-size:15px}.brand-mark{width:34px;height:34px;font-size:24px;border-radius:9px}.rail-caption,.rail-bottom{display:none}.nav{display:flex;gap:2px;overflow:auto;margin-left:auto}.nav-item{white-space:nowrap;padding:10px;font-size:12px}.nav-item span{font-size:16px;width:auto}.topbar{padding:17px 25px}.view{padding:30px 25px 65px}}@media(max-width:700px){.rail{display:block}.brand{display:none}.nav{justify-content:space-around}.nav-item{font-size:0;padding:11px 8px;justify-content:center}.nav-item span{font-size:22px}.top-right{display:none}.section-head{align-items:start;flex-direction:column}.day-card{width:100%;display:flex;align-items:center;gap:15px}.day-card strong{font-size:27px}.study-layout,.library-layout,.import-grid{grid-template-columns:1fr}.work{min-height:350px}.welcome{min-height:300px}.choices{grid-template-columns:1fr}.panel{padding:19px}.candidate{grid-template-columns:1fr 1fr}.candidate button{grid-column:1/-1}.translate-header{align-items:start;flex-direction:column}.section-head h1{font-size:29px}}