@font-face{font-family:Mukta;src:url(mukta.woff) format('woff');font-weight:600;font-display:swap}*{box-sizing:border-box}body{margin:0;background:#050c18;color:#e9eff7;font:600 17px/1.55 Mukta,system-ui,sans-serif}button,input,select{font:inherit}button{cursor:pointer;border:1px solid #3c4c63;background:#122037;color:#eef3f8;padding:9px 15px;border-radius:10px;transition:background .15s,transform .15s}button:hover{background:#21334e}button:disabled{opacity:.55;cursor:wait}a{color:#fedf1d}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #fedf1d;outline-offset:3px}.gold{background:#fedf1d;color:#050c18;border-color:#fedf1d}.gold:hover{background:#ffea61}.quiet{background:transparent}.top{min-height:90px;background:#040a16f5;border-bottom:1px solid #243247;padding:14px max(24px,calc((100vw - 1320px)/2));display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:8;backdrop-filter:blur(15px)}.brand{display:flex;align-items:center;gap:15px;color:#fff;text-decoration:none;letter-spacing:1.8px;font-size:18px;line-height:1.25}.brand img{width:105px;height:62px;object-fit:contain}.brand small{display:block;font-size:10px;letter-spacing:1.5px;margin-top:6px;color:#a8b9d1}.top nav{display:flex;gap:8px}.demo{background:#4c3612;color:#ffe8a0;padding:9px 24px;text-align:center;font-size:14px}main{max-width:1320px;margin:auto;padding:30px 24px 0}.eyebrow{font-size:13px;letter-spacing:1.2px;color:#fedf1d;text-transform:uppercase;margin:0 0 10px}.hero{padding:32px 38px 34px;background:linear-gradient(120deg,#13263f,#0a1628 70%);border:1px solid #2e425f;border-radius:24px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:330px;height:330px;right:-140px;top:-130px;border:1px solid #a4441955;border-radius:50%;pointer-events:none}.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:14px 0;font-weight:600}.hero h1 em{font-style:normal;color:#fedf1d}.hero>p:not(.eyebrow){color:#bfcce0;max-width:800px;font-size:18px;margin:17px 0}.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.pills span{border:1px solid #3f516d;background:#182941;border-radius:40px;padding:5px 14px;font-size:13px}.notice{margin:18px 0 28px;padding:14px 20px;border-left:3px solid #fed525;background:#101c2c;display:block;border-radius:0 12px 12px 0;color:#afbed3;font-size:14px;line-height:1.6}.notice strong{display:block;margin-bottom:6px;color:#f5db80;white-space:normal;font-size:14.5px}.workspace{display:grid;grid-template-columns:282px minmax(0,1fr);gap:22px;align-items:start}.sidebar{border:1px solid #2b3c54;border-radius:18px;padding:19px;background:#0b1728;position:sticky;top:112px;max-height:calc(100vh - 140px);overflow:auto}.side-title{display:flex;justify-content:space-between;align-items:center;gap:8px}.side-title h2{font-size:20px;margin:0 0 15px}.side-title>span{color:#95a8c4;font-size:11px}.sidebar label{font-size:12px;color:#a4b7d2}.sidebar select{width:100%;margin:5px 0 15px}.packages{display:grid;gap:9px}.package-card{text-align:left;display:grid;gap:4px;border-radius:12px;padding:14px;background:#111e31;position:relative}.package-card strong{font-size:18px}.package-card small{color:#afbed3;font-size:11px}.package-card span{font-size:12px;color:#a8b8d0}.package-card.active{border-color:#fedf1d;background:#243044}.package-card.active:before{content:"";position:absolute;left:-1px;top:20px;bottom:20px;width:3px;background:#fedf1d}.side-note{font-size:12px;color:#9baec8;margin-top:22px;border-top:1px solid #263a53;padding-top:16px}.reading{min-width:0}.reading h2{margin:0 0 12px;font-size:30px}.package-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:16px 0}.access-pill{font-size:13px;color:#c1cfdf}.subjects,.units{display:flex;gap:7px;overflow:auto;scrollbar-width:thin;padding-bottom:8px;margin-bottom:9px}.subjects button,.units button{white-space:nowrap;font-size:14px;padding:7px 12px}.selected{background:#fedf1d;color:#050c18;border-color:#fedf1d}.toolbar{display:flex;justify-content:space-between;gap:10px;background:#0c192c;border:1px solid #2c3c55;padding:10px;border-radius:14px 14px 0 0}.toolbar>div{display:flex;gap:5px;align-items:center}.toolbar button,.toolbar select{font-size:13px;padding:6px 10px}.paper{background:#fcf7ed;color:#283340;border-radius:0 0 17px 17px;padding:40px 44px;min-height:520px;overflow-wrap:anywhere;border:1px solid #ddd5c4}.paper h2{font-size:30px;line-height:1.25;color:#152a3d}.paper .eyebrow{color:#7e652b;font:600 12px/1.5 Mukta,sans-serif;letter-spacing:1.3px}.note-body{font-family:Georgia,'Times New Roman',serif;font-weight:400;line-height:1.85}.note-body h2,.note-body h3,.note-body h4{font-family:Georgia,serif;line-height:1.35;margin:1.8em 0 .65em;color:inherit}.note-body h2{font-size:1.45em}.note-body h3{font-size:1.2em}.note-body p{margin:.9em 0}.note-body table{width:100%;border-collapse:collapse;font-size:.9em;display:block;overflow:auto}.note-body td,.note-body th{border:1px solid #b8b4ac;padding:9px}.note-body blockquote{margin:18px 0;padding:12px 20px;border-left:3px solid #ae841f;background:#efe7d7}.font-0{font-size:16px}.font-1{font-size:18px}.font-2{font-size:20px}.font-3{font-size:22px}.font-4{font-size:24px}.paper{position:relative}.watermark{font-size:11px;color:#675f4e;font-family:Mukta,sans-serif;letter-spacing:.6px;border-top:1px solid #d2cbbd;border-bottom:1px solid #d2cbbd;padding:9px 0;margin:18px 0 28px;user-select:none}.reading-foot{font-size:12px;color:#8296b1;max-width:760px}.empty,.locked{text-align:center;padding:40px 12px}.empty h2,.locked h2{font-family:Mukta,sans-serif}.empty p,.locked p{font-size:16px;color:#5b6472}.empty-symbol{font-size:60px;color:#b19135}.locked button{margin:8px}.muted{color:#9fb1c9;font-size:14px}#reading-status{font-size:13px;color:#c9ad60;padding:7px 0}.paper .muted{color:#657286}footer{padding:35px 0 24px;border-top:1px solid #293b54;margin-top:35px;font-size:12px;color:#8da0bb}footer p:first-child{letter-spacing:2px;color:#c9d4e4}input,select{padding:10px 12px;border:1px solid #45566e;border-radius:8px;background:#0b1729;color:#fff;max-width:100%}label{display:block;margin:14px 0}label input:not([type=checkbox]){display:block;width:100%;margin:6px 0}.check{display:flex;gap:10px;font-size:14px;align-items:start}.check input{margin-top:7px;flex-shrink:0}dialog{background:#0c192c;color:#eaf1fa;border:1px solid #445a78;border-radius:20px;padding:34px;width:560px;max-width:calc(100vw - 30px);max-height:90vh;overflow:auto;box-shadow:0 35px 150px #0009}dialog::backdrop{background:#020810c9;backdrop-filter:blur(4px)}dialog h2{font-size:32px;line-height:1.2;margin:12px 0 20px}dialog h3{font-size:23px}dialog p{font-size:15px;color:#b7c7dc}.close{position:absolute;right:14px;top:12px;background:transparent;border:0;font-size:28px;padding:0 9px}dialog .gold{width:100%;margin:8px 0}.price{font-size:40px!important;color:#fedf1d!important}.price small{display:block;font-size:15px;color:#b8c8df}.payment-qr{display:block;width:210px;height:210px;object-fit:contain;background:#fff;margin:15px auto;border-radius:12px}.warning{background:#3d2914;padding:14px;border:1px solid #a57835;border-radius:10px;color:#ffdf94!important}.library-card{border:1px solid #364b66;padding:15px;border-radius:12px;display:grid;gap:8px;margin:10px 0}.library-card span{font-size:13px;color:#b0c0d6}#redeem-form{border-top:1px solid #354760;padding-top:12px;margin-top:25px}.verify-notice{margin:34px 0 6px;padding:16px 18px;border:1px solid #d2cbbd;border-left:4px solid #ae841f;background:#f4ecdd;color:#4a4436;font:600 13.5px/1.6 Mukta,system-ui,sans-serif;border-radius:8px}.verify-notice strong{display:block;margin-bottom:6px;color:#7a3f14}body[data-theme=dark] .verify-notice{background:#1a2b40;border-color:#405069;border-left-color:#fedf1d;color:#d3deea}body[data-theme=dark] .verify-notice strong{color:#fedf1d}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#fedf1d;color:#050c18;max-width:calc(100vw - 40px);width:max-content;padding:14px 22px;border-radius:13px;box-shadow:0 10px 70px #0008;z-index:100;font-size:15px}body[data-theme=light] .paper{background:#fff;color:#26313d}body[data-theme=dark] .paper{background:#132134;color:#d3deea;border-color:#34475f}body[data-theme=dark] .paper h2{color:#f1f5fc}body[data-theme=dark] .watermark{color:#b1a77d;border-color:#405069}body[data-theme=dark] .empty p,body[data-theme=dark] .locked p{color:#b9c6da}body[data-theme=dark] .paper .eyebrow{color:#e3c76a}body[data-theme=dark] .note-body blockquote{background:#1d3048}body.focus .sidebar,body.focus .hero,body.focus .notice{display:none}body.focus .workspace{display:block;max-width:950px;margin:auto}body.focus main{padding-top:20px}[hidden]{display:none!important}@media(max-width:800px){.brand span{display:none}.top{padding:10px 16px;min-height:76px}.brand img{width:90px;height:53px}.top nav button{font-size:13px;padding:8px 10px}main{padding:20px 15px 0}.hero{padding:25px 23px}.hero>p:not(.eyebrow){font-size:16px}.pills{gap:6px}.pills span{font-size:11px}.notice{display:block;padding:12px 14px;font-size:13px}.notice strong{display:block;margin-bottom:5px}.workspace{display:block}.sidebar{position:static;max-height:none;padding:15px;margin-bottom:23px}.packages{display:flex;overflow:auto}.package-card{min-width:210px}.side-note{display:none}.sidebar label{margin:0 0 8px}.sidebar select{margin-bottom:3px}.reading h2{font-size:27px}.paper{padding:27px 23px;min-height:480px}.paper h2{font-size:27px}.toolbar{gap:3px}.toolbar button,.toolbar select{padding:7px;font-size:12px}.package-actions{align-items:start}.demo{font-size:12px}.font-2{font-size:18px}.font-3{font-size:20px}.font-4{font-size:22px}dialog{padding:28px 23px}.hero h1{font-size:33px}}@media print{.paid-content,.top,.sidebar,.hero,.notice,.toolbar,dialog,#toast,.subjects,.units,.package-actions{display:none!important}.reading:after{content:'Protected online notes are not provided as a printable PDF. Please read in your registered account.';color:#000}body{background:#fff;color:#000}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.paid-content{position:relative}.watermark-grid{position:absolute;inset:0;pointer-events:none;user-select:none;opacity:.12;background-repeat:repeat;z-index:1}body[data-theme=dark] .watermark-grid{filter:invert(1);opacity:.18}

.toolbar,.toolbar>div{flex-wrap:wrap}.note-body pre{white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;overflow:auto}.subjects,.units{scrollbar-color:#fedf1d66 #0b1728}.subjects::-webkit-scrollbar,.units::-webkit-scrollbar{height:6px}.subjects::-webkit-scrollbar-thumb,.units::-webkit-scrollbar-thumb{background:#fedf1d66;border-radius:8px}.subjects::-webkit-scrollbar-track,.units::-webkit-scrollbar-track{background:#0b1728}@media(min-width:801px){.subjects{flex-wrap:wrap;overflow:visible;padding-bottom:0}}