@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{font-family:'DM Sans',Arial,sans-serif;color:#233d37;background:#f4f6f2;font-synthesis:none}*{box-sizing:border-box}body{margin:0}header{max-width:1320px;margin:auto;padding:27px 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dfe6de}.brand{text-decoration:none;color:#254b3c;font-size:29px;font-weight:700;display:flex;align-items:center;gap:12px}.logo{background:#264d3d;color:white;border-radius:12px;width:39px;height:39px;display:grid;place-items:center}.brand-sub{font-size:10px;letter-spacing:2px;margin-left:15px;color:#7b8e82}.pill{border:1px solid #dbe4d9;border-radius:24px;background:#fff;padding:9px 17px;font-size:12px;font-weight:700}.pill span{color:#94a294;padding:0 12px}main{max-width:1232px;margin:auto;padding:0 24px}.intro{padding:52px 0 36px}.eyebrow,.section-label{font-size:10px;font-weight:800;letter-spacing:1.9px;color:#718477}.eyebrow{color:#6d8c52}h1{font-family:Manrope,Arial,sans-serif;font-size:44px;letter-spacing:-2px;line-height:1.24;margin:17px 0}h1 em{font-style:normal;color:#759466}.intro p{color:#78847c;font-size:14px;line-height:1.8}.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;align-items:start}aside{display:grid;gap:18px}.panel{background:#fff;border:1px solid #e0e7dd;border-radius:18px;padding:24px;box-shadow:0 5px 22px #264d3d03}.upload{text-align:center;background:#edf2e8;border:1px dashed #b3c3a8;padding:28px 24px}.upload.dragging{outline:3px solid #6f8e59}.upload-icon{display:grid;place-items:center;background:white;border-radius:16px;width:52px;height:52px;margin:0 auto 18px;font-size:31px;color:#698254}h2{font-size:17px;margin:10px 0}p{line-height:1.6}.upload p{font-size:13px;color:#7a8576;margin-bottom:22px}button,input,select{font:inherit}button,.file-label{cursor:pointer}button{border:1px solid #dce4da;background:white;color:#37533e;border-radius:8px;padding:9px 12px;font-size:12px}button:disabled{opacity:.4;cursor:default}.primary{display:block;background:#294e3e;color:#fff;padding:13px;border-radius:9px;font-size:13px;font-weight:600}.upload small{display:block;color:#8a9484;font-size:10px;margin-top:13px}#file{position:absolute;width:1px;height:1px;opacity:0}.upload:focus-within{outline:2px solid #6d8c52}label{display:block;font-size:12px;margin:18px 0 9px}select,input{width:100%;padding:12px;border:1px solid #dfe5dc;border-radius:8px;background:#fbfcfa;color:#415847;font-size:12px}.hint{font-size:11px;color:#859080;line-height:1.7}.section-label{display:flex;justify-content:space-between}summary{cursor:pointer;font-size:12px;font-weight:600}summary span{display:block;font-weight:400;color:#9a8160;font-size:10px;margin-top:8px}details a{color:#537647;font-size:11px}.privacy{font-size:12px;color:#78906b;padding:4px 20px;line-height:1.8}.privacy span{font-size:10px;color:#8e9a86;padding-left:17px}.reader{padding:0;overflow:hidden;min-height:630px;display:flex;flex-direction:column}.reader-top{padding:26px 30px;display:flex;justify-content:space-between;align-items:center;gap:20px}.reader-top h2{font-size:18px;line-height:1.5;overflow-wrap:anywhere}.lang{background:#edf2e8;color:#7e936c;font-size:14px;font-weight:700;border-radius:10px;padding:12px}.toolbar{background:#fcfdfb;border-block:1px solid #edf0e9;display:flex;justify-content:space-between;padding:11px 28px}.tabs{display:flex;gap:4px}.tabs button{border:0;background:transparent;padding:9px 18px;color:#7e8b7b}.tabs .active{background:#eaf0e3;color:#416335;font-weight:700}.text-tools{display:flex;gap:6px}.text-tools button{border:0;background:transparent}.status-area{padding:15px 30px;font-size:12px;color:#75896b}progress{width:100%;height:5px;accent-color:#72965d;margin-top:13px}#empty{text-align:center;flex:1;padding:65px 24px}.book{display:inline-block;font-family:Georgia,serif;font-size:48px;color:#739363;background:#f1f5ec;border-radius:25px;padding:22px 28px;transform:rotate(-4deg)}.book span{font-family:Arial;font-size:24px;color:#aebd9e;padding:0 15px}h3{font-size:21px;margin:30px 0 10px}#empty p{font-size:13px;color:#8b9785;line-height:1.9}.empty-badge{display:block;letter-spacing:1.5px;font-size:8px;color:#98a58f;margin-top:30px}article{padding:5px 34px 30px;--read-size:18px;font-size:var(--read-size);line-height:1.9;color:#36483d;overflow-wrap:anywhere}.page{white-space:pre-wrap;margin-bottom:30px}.page-label{font-size:10px;letter-spacing:2px;color:#92a285;border-bottom:1px solid #e9eee5;padding:15px 0;margin-bottom:14px}.reader-bottom{margin-top:auto;border-top:1px solid #edf0e9;padding:17px 28px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:10px;color:#91a085}.reader-bottom div{display:flex;gap:7px;flex-wrap:wrap}footer{padding:34px 0;font-size:17px;font-weight:700;color:#8c9b84;display:flex;justify-content:space-between}footer span{font-size:11px;font-weight:400}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #789b5e;outline-offset:3px}[hidden]{display:none!important}@media(max-width:760px){header{padding:20px}.brand-sub{display:none}main{padding:0 16px}.intro{padding:32px 3px 23px}h1{font-size:33px;letter-spacing:-1.3px}.intro p{font-size:13px}.workspace{grid-template-columns:1fr;gap:20px}aside{gap:12px}.upload{padding:20px}.upload-icon{display:none}.upload p{margin:8px 0}.upload h2{margin:0}.file-label{margin-top:14px}.panel{border-radius:14px}.reader{min-height:560px}.reader-top{padding:22px}.toolbar{padding:10px 16px}article{padding:0 22px 24px}.status-area{padding:14px 22px}#empty{padding:40px 18px}.reader-bottom{padding:16px;align-items:flex-start}footer span{max-width:65%;text-align:right}.privacy{display:none}}

/* Olga education module */
:root{background:#f5f2e9;color:#173d32}.intro{padding-top:36px}.brand-sub{display:inline;color:#60786a}.primary{background:#173d32}.page-nav{display:flex;justify-content:space-between;align-items:center;padding:14px 28px;background:#f5f7f0;border-block:1px solid #e1e8dd;font-size:13px}.reader-bottom{flex-wrap:wrap}.reader-bottom>div{justify-content:flex-end}#settings button{margin:6px 0;width:100%}footer a{color:inherit;text-decoration:none}#content{min-height:200px}.status-area{line-height:1.7}button{min-height:40px}@media(max-width:760px){.brand{font-size:23px}.brand-sub{display:inline;font-size:9px;margin-left:4px;letter-spacing:1px}.intro h1{font-size:32px}.reader-bottom>div{justify-content:flex-start}.page-nav{padding:12px 18px}.toolbar{position:sticky;top:0}.eyebrow{font-size:8px;letter-spacing:1.1px}}