body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.top-nav{align-items:center;background-color:#fff;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;padding:1rem 2rem;position:sticky;top:0;z-index:1000}.logo{cursor:pointer;transition:color .2s}.logo:hover,.nav-link{color:#666}.nav-link{font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover{color:#1a1a1a}.upgrade-link{color:#1a1a1a;font-weight:600}@media (max-width:768px){.top-nav{padding:1rem}.nav-center{display:none}.nav-right{gap:1rem}.nav-link{font-size:.85rem}}.subject-catalogue{margin:0 auto;max-width:1200px;padding:20px}.catalogue-header{align-items:center;display:flex;margin-bottom:30px}.back-button{padding:10px}.back-button:hover{color:#333}.subject-grid{grid-gap:20px;gap:20px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));margin-bottom:40px}.subject-card{border-radius:10px;color:#fff;overflow:hidden;padding:20px;position:relative;transition:transform .2s,box-shadow .2s}.subject-card:hover{box-shadow:0 5px 15px #0003;transform:translateY(-5px)}.subject-card.selected{box-shadow:0 5px 15px #0000004d;transform:scale(1.02)}.subject-icon{font-size:24px;margin-bottom:10px}.subject-card h3{font-size:20px;margin:10px 0}.subject-card p{font-size:14px;margin:0;opacity:.9}.chapters-section{background-color:#f8f9fa;border-radius:10px;margin-top:40px;padding:20px}.chapters-section h3{color:#333;font-size:24px;margin-bottom:20px}.chapters-tags{gap:10px}.chapter-tag{background-color:#f0f0f0;border-radius:20px;display:inline-block;margin:4px;padding:8px 16px;transition:all .3s ease}.chapter-tag:hover{background-color:#e0e0e0}.chapter-tag.selected{background-color:#007bff}.loading{font-style:italic;padding:20px}.subject-chips{display:flex;flex-wrap:wrap;gap:12px;padding:20px}.subject-chip{align-items:center;border-radius:20px;box-shadow:0 2px 4px #0000001a;cursor:pointer;display:inline-flex;padding:8px 16px;transition:all .2s ease}.subject-chip:hover{box-shadow:0 4px 8px #00000026;transform:translateY(-2px)}.subject-chip .subject-icon{font-size:1.2em;margin-right:8px}.subject-chip .subject-name{color:#333;font-weight:500}.next-button{background-color:#28a745;border-radius:5px;display:block;font-size:16px;margin:20px auto;padding:12px 24px;transition:background-color .3s ease}.next-button:hover{background-color:#218838}.next-button:disabled{background-color:#6c757d}.quizzes-section{background-color:#f8f9fa;border-radius:10px;margin-top:40px;padding:20px}.quizzes-section h3{color:#333;font-size:24px;margin-bottom:20px}.quizzes-grid{grid-gap:20px;gap:20px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.quiz-card{border:2px solid #e0e0e0;border-radius:10px;transition:all .3s ease}.quiz-card:hover{box-shadow:0 4px 12px #00000026;transform:translateY(-3px)}.quiz-card.selected{box-shadow:0 4px 12px #0003;transform:translateY(-3px)}.quiz-card h4{color:#333;font-size:18px;margin:0 0 10px}.quiz-description{font-size:14px;line-height:1.5;margin-bottom:15px}.quiz-details{font-size:14px;gap:15px;margin-bottom:10px}.quiz-detail-item{color:#555}.quiz-detail-item strong{color:#333}.quiz-topics{border-top:1px solid #e0e0e0;color:#666;font-size:13px;margin-top:10px;padding-top:10px}.quiz-card{background:#fff;box-shadow:0 2px 4px #0000001a;box-sizing:border-box;max-width:100%;overflow-x:hidden;padding:20px}.topic{color:#666;font-size:.9em;margin-bottom:15px}.question{word-wrap:break-word;color:#333;font-size:1.2em;margin-bottom:20px;max-width:100%;overflow-wrap:break-word}.question .katex{font-size:1em}.question .katex,.question .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden}.question .katex-display{margin:.5em 0}.options{display:flex;flex-direction:column;gap:12px}.option{word-wrap:break-word;background:#fff;border:2px solid #dee2e6;border-radius:6px;box-sizing:border-box;color:#212529;cursor:pointer;font-size:1em;max-width:100%;overflow-wrap:break-word;padding:15px 20px;text-align:left;transition:all .2s ease;width:100%}.option:hover{background-color:#f8f9fa;border-color:#0d6efd;box-shadow:0 2px 4px #0d6efd1a;transform:translateY(-1px)}.option.selected{background-color:#0d6efd;border-color:#0d6efd;color:#fff;font-weight:500}.option.selected:hover{background-color:#0b5ed7;border-color:#0b5ed7}.option .katex{font-size:1em}.option .katex,.option .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden}.option .katex-display{margin:.5em 0}.explanation{background:#f8f9fa;border-radius:8px;margin-top:20px}.explanation h4{color:#333;margin-bottom:10px}.quiz-help-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.help-button{background:#fff;border:2px solid;border-radius:6px;color:#212529;cursor:pointer;font-size:.95em;font-weight:500;padding:10px 20px;transition:all .2s ease}.help-button:hover{box-shadow:0 2px 4px #0000001a;transform:translateY(-1px)}.hints-button{background-color:#fffbf0}.hints-button,.hints-button:hover{border-color:#ffc107;color:#856404}.hints-button:hover{background-color:#fff3cd}.solution-button{background-color:#f0f9f4;border-color:#28a745;color:#155724}.solution-button:hover{background-color:#d4edda;border-color:#28a745;color:#155724}.hints-display,.solution-steps-display{word-wrap:break-word;animation:fadeIn .3s ease-in;background:#f8f9fa;border-left:4px solid;border-radius:8px;box-sizing:border-box;margin-top:20px;max-width:100%;overflow-wrap:break-word;padding:15px 20px}.hints-display{background:#fffbf0;border-left-color:#ffc107}.solution-steps-display{background:#f0f9f4;border-left-color:#28a745}.hints-display h4,.solution-steps-display h4{color:#333;font-size:1.1em;font-weight:600;margin-bottom:10px}.hints-display p,.solution-steps-display p{word-wrap:break-word;box-sizing:border-box;color:#555;line-height:1.6;margin:0;max-width:100%;overflow-wrap:break-word;white-space:pre-wrap}.hints-display .katex,.solution-steps-display .katex{display:inline-block;font-size:1em;max-width:100%;overflow-x:auto;overflow-y:hidden}.hints-display .katex-display,.solution-steps-display .katex-display{margin:.5em 0;max-width:100%;overflow-x:auto;overflow-y:hidden}.hints-display span,.solution-steps-display span{word-wrap:break-word;max-width:100%;overflow-wrap:break-word}.hints-display .katex>.katex-html,.solution-steps-display .katex>.katex-html{max-width:100%;overflow-x:auto;overflow-y:hidden}@media (max-width:768px){.quiz-card{padding:15px}.hints-display,.solution-steps-display{padding:12px 15px}.hints-display .katex,.hints-display .katex-display,.option .katex,.option .katex-display,.question .katex,.question .katex-display,.solution-steps-display .katex,.solution-steps-display .katex-display{font-size:.9em}.quiz-help-buttons{flex-direction:column}.help-button{width:100%}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_AMS-Regular.73ea273a72f4aca30ca5.woff2) format("woff2"),url(/static/media/KaTeX_AMS-Regular.d562e886c52f12660a41.woff) format("woff"),url(/static/media/KaTeX_AMS-Regular.853be92419a6c3766b9a.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/static/media/KaTeX_Caligraphic-Bold.a1abf90dfd72792a577a.woff2) format("woff2"),url(/static/media/KaTeX_Caligraphic-Bold.d757c535a2e5902f1325.woff) format("woff"),url(/static/media/KaTeX_Caligraphic-Bold.7489a2fbfb9bfe704420.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Caligraphic-Regular.d6484fce1ef428d5bd94.woff2) format("woff2"),url(/static/media/KaTeX_Caligraphic-Regular.db074fa22cf224af93d7.woff) format("woff"),url(/static/media/KaTeX_Caligraphic-Regular.7e873d3833eb108a0758.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/static/media/KaTeX_Fraktur-Bold.931d67ea207ab37ee693.woff2) format("woff2"),url(/static/media/KaTeX_Fraktur-Bold.354501bac435c3264834.woff) format("woff"),url(/static/media/KaTeX_Fraktur-Bold.4c761b3711973ab04edf.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Fraktur-Regular.172d3529b26f8cedef6b.woff2) format("woff2"),url(/static/media/KaTeX_Fraktur-Regular.6fdf0ac577be0ba82a4c.woff) format("woff"),url(/static/media/KaTeX_Fraktur-Regular.ed305b5434865e06ffde.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/static/media/KaTeX_Main-Bold.39890742bc957b368704.woff2) format("woff2"),url(/static/media/KaTeX_Main-Bold.0c3b8929d377c0e9b2f3.woff) format("woff"),url(/static/media/KaTeX_Main-Bold.8169508bf58f8bd92ad8.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/static/media/KaTeX_Main-BoldItalic.20f389c4120be058d80a.woff2) format("woff2"),url(/static/media/KaTeX_Main-BoldItalic.428978dc7837d46de091.woff) format("woff"),url(/static/media/KaTeX_Main-BoldItalic.828abcb200061cffbaae.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/static/media/KaTeX_Main-Italic.fe2176f79edaa716e621.woff2) format("woff2"),url(/static/media/KaTeX_Main-Italic.fd947498bc16392e76c2.woff) format("woff"),url(/static/media/KaTeX_Main-Italic.fa675e5e4bec9eb250b6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Main-Regular.f650f111a3b890d116f1.woff2) format("woff2"),url(/static/media/KaTeX_Main-Regular.4f35fbcc9ee8614c2bcc.woff) format("woff"),url(/static/media/KaTeX_Main-Regular.9eba1d77abcf2aa6e94e.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/static/media/KaTeX_Math-BoldItalic.dcbcbd93bac0470b462d.woff2) format("woff2"),url(/static/media/KaTeX_Math-BoldItalic.3f07ed67f06c720120ce.woff) format("woff"),url(/static/media/KaTeX_Math-BoldItalic.bf2d440b3a42ea78a998.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/static/media/KaTeX_Math-Italic.6d3d25f4820d0da8f01f.woff2) format("woff2"),url(/static/media/KaTeX_Math-Italic.96759856b4e70f3a8338.woff) format("woff"),url(/static/media/KaTeX_Math-Italic.8a5f936332e8028c7278.ttf) format("truetype")}@font-face{font-display:block;font-family:"KaTeX_SansSerif";font-style:normal;font-weight:700;src:url(/static/media/KaTeX_SansSerif-Bold.95591a929f0d32aa282a.woff2) format("woff2"),url(/static/media/KaTeX_SansSerif-Bold.b9cd458ac6d5889ff9c3.woff) format("woff"),url(/static/media/KaTeX_SansSerif-Bold.5b49f4993ae22d7975b4.ttf) format("truetype")}@font-face{font-display:block;font-family:"KaTeX_SansSerif";font-style:italic;font-weight:400;src:url(/static/media/KaTeX_SansSerif-Italic.7d393d382f3e7fb1c637.woff2) format("woff2"),url(/static/media/KaTeX_SansSerif-Italic.8d593cfaa96238d5e2f8.woff) format("woff"),url(/static/media/KaTeX_SansSerif-Italic.b257a18c016f37ee4543.ttf) format("truetype")}@font-face{font-display:block;font-family:"KaTeX_SansSerif";font-style:normal;font-weight:400;src:url(/static/media/KaTeX_SansSerif-Regular.cd5e231e0cc53b2cb2c0.woff2) format("woff2"),url(/static/media/KaTeX_SansSerif-Regular.02271ec5cb9f5b4588ac.woff) format("woff"),url(/static/media/KaTeX_SansSerif-Regular.2f7bc363fc5424ebda59.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Script-Regular.c81d1b2a4b75d3eded60.woff2) format("woff2"),url(/static/media/KaTeX_Script-Regular.073b3402d036714b4370.woff) format("woff"),url(/static/media/KaTeX_Script-Regular.fc9ba5249878cd8f8d88.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Size1-Regular.6eec866c69313624be60.woff2) format("woff2"),url(/static/media/KaTeX_Size1-Regular.0108e89c9003e8c14ea3.woff) format("woff"),url(/static/media/KaTeX_Size1-Regular.6de7d4b539221a49e9e2.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Size2-Regular.2960900c4f271311eb36.woff2) format("woff2"),url(/static/media/KaTeX_Size2-Regular.3a99e70aee4076660d38.woff) format("woff"),url(/static/media/KaTeX_Size2-Regular.57f5c1837853986ea1db.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Size3-Regular.e1951519f6f0596f7356.woff2) format("woff2"),url(/static/media/KaTeX_Size3-Regular.7947224e8a9914fa332b.woff) format("woff"),url(/static/media/KaTeX_Size3-Regular.8d6b6822586eea3d3b20.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Size4-Regular.e418bf257af1052628d8.woff2) format("woff2"),url(/static/media/KaTeX_Size4-Regular.aeffd8025cba3647f1a6.woff) format("woff"),url(/static/media/KaTeX_Size4-Regular.4ad7c7e8bb8d10a34bb7.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/static/media/KaTeX_Typewriter-Regular.c295e7f71970f03c0549.woff2) format("woff2"),url(/static/media/KaTeX_Typewriter-Regular.4c6b94fd1d07f8beff7c.woff) format("woff"),url(/static/media/KaTeX_Typewriter-Regular.c5c02d763c89380dcb4e.ttf) format("truetype")}.katex{font:normal 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.27"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.evaluation-tab{margin:0 auto;max-width:800px}.evaluation-tab h3{margin-bottom:30px;text-align:center}.evaluation-summary{margin-bottom:40px;text-align:center}.score-card{background:#f8f9fa;border-radius:8px;display:inline-block;padding:20px}.score-card h4{color:#495057;margin:0 0 10px}.score-card .score{color:#0d6efd;font-size:2.5em;font-weight:700;margin:10px 0}.questions-list{display:flex;flex-direction:column;gap:15px}.question-item{border:1px solid #dee2e6;border-radius:8px;margin-bottom:15px;overflow:hidden}.question-header{align-items:center;background-color:#f8f9fa;cursor:pointer;display:flex;justify-content:space-between;padding:15px}.question-header:hover{background-color:#e9ecef}.question-header.expanded{border-bottom:1px solid #dee2e6}.question-summary{align-items:center;display:flex;gap:15px}.question-number{font-weight:500}.status-badge{border-radius:4px;font-size:.9em;padding:4px 8px}.status-badge.correct{background-color:#d4edda;color:#155724}.status-badge.incorrect{background-color:#f8d7da;color:#721c24}.expand-icon{color:#6c757d;font-size:1.5em}.question-details{padding:20px}.question-text{font-size:1.1em;margin-bottom:20px}.options-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.option{background-color:#fff;border:1px solid #dee2e6;border-radius:4px;padding:12px 15px}.option-content{align-items:center;display:flex;justify-content:space-between}.option.selected-answer{background-color:#fff3cd;border-color:#ffeeba}.option.correct-answer,.option.selected-answer.correct-answer{background-color:#d4edda;border-color:#c3e6cb}.correct-tick{color:#28a745}.correct-tick,.incorrect-cross{font-size:1.2em;font-weight:700}.incorrect-cross{color:#dc3545}.explanation{align-items:center;background-color:#f8f9fa;border-radius:4px;display:flex;flex-direction:column;margin-top:15px;padding:15px}.explanation h5{align-self:center;color:#495057;margin-bottom:10px;text-align:center;width:100%}.explanation p{align-self:flex-start;color:#6c757d;margin:0}.personalize-button{align-items:center;background-color:#007bff;border:none;border-radius:4px;color:#fff;cursor:pointer;display:flex;font-size:14px;gap:8px;margin-top:12px;padding:8px 16px;transition:all .2s ease}.personalize-button i{color:gold;font-size:16px}.personalize-button:hover{background-color:#0056b3;box-shadow:0 2px 4px #0000001a;transform:translateY(-1px)}.personalize-button:active{background-color:#004085;box-shadow:none;transform:translateY(0)}.pdf-report-container{align-items:center;background-color:#f5f5f5;border-radius:8px;display:flex;height:calc(100vh - 200px);justify-content:center;padding:20px;width:100%}.pdf-viewer{border-radius:4px;box-shadow:0 2px 4px #0000001a}.loading-spinner{color:#666;font-size:1.2rem;text-align:center}.error-message{background-color:#fff;box-shadow:0 2px 4px #0000001a;padding:20px}.evaluation-tab{padding:20px;text-align:center}.evaluation-tab h3{color:#333;margin-bottom:20px}.quiz-result-buttons{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:20px}.restart-button{background-color:#0d6efd;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1em;font-weight:500;padding:12px 24px;transition:all .2s ease}.restart-button:hover{background-color:#0b5ed7;box-shadow:0 2px 4px #0d6efd4d;transform:translateY(-1px)}.evaluation-button{background-color:#17a2b8;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1em;font-weight:500;padding:12px 24px;transition:all .2s ease}.evaluation-button:hover{background-color:#138496;box-shadow:0 2px 4px #17a2b84d;transform:translateY(-1px)}.learning-path-button{background-color:#28a745;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1em;font-weight:500;padding:12px 24px;transition:all .2s ease}.learning-path-button:hover{background-color:#218838;box-shadow:0 2px 4px #28a7454d;transform:translateY(-1px)}.chapter-title{color:#555;font-size:1.1em;margin-left:32px;margin-top:4px}.home{font-family:Inter,sans-serif;min-height:100vh}.title-bar{background-color:#fff;box-shadow:0 2px 4px #0000001a;left:0;padding:1rem 2rem;position:fixed;top:0;width:100%;z-index:1000}.title-bar,.title-container{align-items:center;display:flex;justify-content:space-between}.title-container{margin:0 auto;max-width:1200px;padding:0 2rem}.title{color:#f07511;font-size:1.5rem;font-weight:700}.title-nav{display:flex;gap:2rem}.title-nav a{color:#333;font-weight:500;text-decoration:none;transition:color .3s}.title-nav a:hover{color:#f07511}.container{margin:0 auto;max-width:1200px;padding:0 2rem}header{align-items:center;display:flex;margin-bottom:4rem;min-height:90vh;padding-top:80px}.header-content{flex:1 1;padding-right:2rem}.header-image{align-items:center;display:flex;flex:1 1;justify-content:center}.header-image img{height:auto;max-width:100%}header .container{align-items:center;display:flex;gap:2rem}h1{color:#2e6857;font-size:3.5rem}h1,h2{margin-bottom:.5rem}h2{color:#f07511;font-size:2rem}.services-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin:4rem 0}.service-card{background:#fff;border-radius:10px;box-shadow:0 2px 4px #0000001a;padding:2rem}#about{margin-bottom:2rem;padding:8rem 0}.about-content{grid-gap:3rem;align-items:center;display:grid;gap:3rem;grid-template-columns:1fr 1fr}.about-text{flex:1 1}.about-text h2{color:#2c3e50;margin-bottom:1.5rem}.about-text p{color:#2c3e50;font-size:1.1rem;line-height:1.6}.about-image{display:flex;flex:1 1;justify-content:center}#contact{background-color:#f5f5f5;margin-bottom:4rem;padding:8rem 0}.waitlist-container{align-items:center;display:flex;gap:4rem;padding:3rem 0}.waitlist-info{display:flex;flex:1 1;flex-direction:column;gap:1.5rem}.waitlist-info h3{color:#2c3e50;font-size:1.8rem;margin-bottom:1rem}.waitlist-info p{color:#2c3e50;font-size:1.2rem;margin-bottom:1.5rem}.waitlist-image{align-items:center;display:flex;flex:1 1;justify-content:center;padding:1rem}.trophy-illustration{border-radius:20px;box-shadow:0 4px 20px #0000001a;height:500px;max-width:400px;object-fit:cover}.waitlist-features{list-style:none;margin:1.5rem 0;padding:0}.waitlist-features li{align-items:center;display:flex;font-size:1.1rem;gap:.75rem;margin-bottom:1rem}.waitlist-features li i{color:#28a745}.status-message{border-radius:4px;font-size:.9rem;margin-top:1rem;padding:.75rem 1rem}.status-message.success{background-color:#d4edda;border:1px solid #c3e6cb;color:#155724}.status-message.error{background-color:#f8d7da;border:1px solid #f5c6cb;color:#721c24}@media (max-width:768px){.waitlist-container{flex-direction:column;gap:2rem}.trophy-illustration{height:250px;max-width:300px}}.cta-button{background-color:#f07511;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:1.1rem;padding:1rem 2rem;transition:background-color .3s}.cta-button:hover{background-color:#2e6857}@media (max-width:768px){header .container{flex-direction:column;text-align:center}.header-content{padding-right:0}.about-content{flex-direction:column}h1{font-size:2.5rem}}.ghibli-illustration{border-radius:10px;height:auto;max-width:100%}.feature-list .icon{color:#4caf50;margin-right:10px}.feature-list{list-style-type:none;padding-left:0}.mobile-menu-btn{background:none;border:none;cursor:pointer;display:none;padding:.5rem}.hamburger-icon{display:flex;flex-direction:column;gap:5px;width:24px}.hamburger-icon span{background-color:#333;display:block;height:2px;transition:all .3s ease;width:100%}@media screen and (max-width:768px){.mobile-menu-btn{display:block;z-index:100}.title-nav{background-color:#fff;box-shadow:-2px 0 5px #0000001a;flex-direction:column;height:100vh;max-width:300px;padding:5rem 2rem;position:fixed;right:-100%;top:0;transition:right .3s ease;width:70%;z-index:99}.title-nav.active{right:0}.title-nav a{font-size:1.2rem;padding:1rem 0}.mobile-menu-btn.active .hamburger-icon span:first-child{transform:rotate(45deg) translate(5px,5px)}.mobile-menu-btn.active .hamburger-icon span:nth-child(2){opacity:0}.mobile-menu-btn.active .hamburger-icon span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}}.popup-overlay{align-items:center;background-color:#00000080;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.category-popup{background:#fff;border-radius:12px;box-shadow:0 4px 20px #00000026;max-width:90%;padding:2rem;width:600px}.category-popup h2{color:#333;margin-bottom:2rem;text-align:center}.category-tags{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2rem}.category-tag{align-items:center;background-color:#f8f9fa;border:2px solid #e9ecef;border-radius:25px;cursor:pointer;display:flex;flex-direction:column;padding:.75rem 1.25rem;transition:all .2s ease}.category-tag:hover{background-color:#f0f7ff;border-color:#007bff}.category-tag.selected{background-color:#007bff;border-color:#0056b3;color:#fff}.category-type{color:#666;font-size:.8rem;margin-top:.25rem}.category-tag.selected .category-type{color:#e0e0e0}.popup-buttons{display:flex;gap:1rem;justify-content:flex-end;margin-top:2rem}.cancel-button{background-color:#fff;border:1px solid #dee2e6;border-radius:4px;cursor:pointer;padding:.5rem 1.5rem;transition:all .2s}.cancel-button:hover{background-color:#f8f9fa}.proceed-button{background-color:#007bff;border:none;border-radius:4px;color:#fff;cursor:pointer;padding:.5rem 1.5rem;transition:all .2s}.proceed-button:hover:not(:disabled){background-color:#0056b3}.proceed-button:disabled{background-color:#ccc;cursor:not-allowed}.loading{align-items:center;display:flex;flex-direction:column;justify-content:center}.loading-spinner{animation:spin 1s linear infinite;border:4px solid #f3f3f3;border-radius:50%;border-top-color:#007bff;height:40px;margin-bottom:1rem;width:40px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.loading p{color:#666;font-size:1rem;margin:0}.error-message{background-color:#f8d7da;border-radius:4px;color:#dc3545;margin:1rem 0;padding:1rem;text-align:center}#resources{background-color:#f8f9fa;padding:4rem 0}.resources-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin:3rem 0}.resource-card{background:#fff;border-radius:10px;box-shadow:0 4px 6px #0000001a;padding:2rem;transition:transform .3s ease}.resource-card:hover{transform:translateY(-5px)}.resource-card h3{color:#2c3e50;font-size:1.5rem;margin-bottom:1rem}.grade-content{align-items:flex-start;display:flex;gap:1rem}.grade-content .icon{color:#3498db;font-size:2rem}.resources-cta{margin-top:3rem;text-align:center}.resources-cta p{color:#2c3e50;font-size:1.2rem;margin-bottom:1.5rem}.auth-page{background-color:#f5f5f5}.auth-button{background-color:#007bff;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:500;margin-left:15px;padding:8px 16px;transition:background-color .2s}.auth-button:hover{background-color:#0056b3}.auth-button-primary{background-color:#007bff!important;color:#fff!important}.auth-card{border-radius:8px!important;box-shadow:0 4px 6px #0000001a!important;padding:2rem!important}.UserButton,.cl-userButtonBox{margin-left:15px}.cl-userButtonTrigger{padding:4px!important}.loading-container{align-items:center;background-color:#f5f5f5;display:flex;justify-content:center;min-height:100vh}.loading{color:#666}.user-info{align-items:center;display:flex;gap:1rem}.welcome-text{color:#333;font-weight:500}.title-nav .user-info{margin-left:15px}.button-group{display:flex;gap:1rem;margin-top:1.5rem}.waitlist-button{background-color:#28a745}.waitlist-button:hover{background-color:#218838}.pricing-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:3rem}.pricing-card{background:#fff;border-radius:10px;box-shadow:0 4px 6px #0000001a;padding:2rem;transition:transform .3s ease}.pricing-card:hover{transform:translateY(-5px)}.pricing-card.featured{border:2px solid #4a90e2;transform:scale(1.05)}.pricing-header{margin-bottom:2rem;text-align:center}.pricing-header h3{color:#333;font-size:1.5rem;margin-bottom:1rem}.price{align-items:baseline;display:flex;gap:.5rem;justify-content:center}.price .amount{color:#4a90e2;font-size:2.5rem;font-weight:700}.price .period{color:#666}.pricing-features{list-style:none;margin:2rem 0;padding:0}.pricing-features li{align-items:center;display:flex;gap:.5rem;margin:1rem 0}.pricing-features i{color:#4a90e2}.pricing-button{background:#f07511;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:1rem;padding:1rem;transition:background .3s ease;width:100%}.pricing-button:hover{background:#2e6857}.pricing-button.featured{background:#28a745}.pricing-button.featured:hover{background:#218838}@media (max-width:768px){.pricing-grid{grid-template-columns:1fr}.pricing-card.featured{transform:none}}.reports-viewer-overlay{align-items:center;animation:fadeIn .2s ease-out;background:#000000b3;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.reports-viewer-modal{animation:slideUp .3s ease-out;background:#fff;border-radius:12px;box-shadow:0 8px 32px #0000004d;display:flex;flex-direction:column;max-height:90vh;max-width:900px;width:90%}.reports-viewer-header{align-items:center;border-bottom:1px solid #eee;display:flex;justify-content:space-between;padding:20px 24px}.reports-viewer-header h2{color:#333;font-size:24px;margin:0}.close-btn{align-items:center;background:none;border:none;border-radius:50%;color:#666;cursor:pointer;display:flex;font-size:24px;height:36px;justify-content:center;transition:all .2s;width:36px}.close-btn:hover{background:#f5f5f5;color:#333}.reports-viewer-content{flex:1 1;overflow-y:auto;padding:24px}.empty-state,.error-message,.loading-spinner{color:#666;padding:40px 20px;text-align:center}.empty-hint{color:#999;font-size:14px;margin-top:8px}.retry-btn{background:#4a90e2;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:14px;margin-top:16px;padding:10px 20px}.retry-btn:hover{background:#357abd}.reports-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.report-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 2px 4px #0000000d;padding:16px;transition:all .2s}.report-card:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.report-card-header{align-items:flex-start;display:flex;gap:12px;margin-bottom:16px}.score-indicator{border-radius:4px;flex-shrink:0;height:40px;width:8px}.report-info h3{color:#333;font-size:16px;font-weight:600;margin:0 0 4px}.chapter-title{color:#666;font-size:13px;margin:0}.report-stats{background:#f8f9fa;border-radius:6px;display:flex;flex-direction:column;gap:8px;margin-bottom:16px;padding:12px}.stat{font-size:13px;justify-content:space-between}.stat-label{color:#666}.stat-value{color:#333}.report-actions{display:flex;gap:8px}.action-btn{align-items:center;border:none;border-radius:6px;cursor:pointer;display:flex;flex:1 1;font-size:13px;font-weight:600;gap:4px;justify-content:center;padding:10px 12px;transition:all .2s}.preview-btn{background:#4a90e2;color:#fff}.preview-btn:hover:not(:disabled){background:#357abd}.download-btn{background:#27ae60;color:#fff}.download-btn:hover{background:#229954}.action-btn:disabled{cursor:not-allowed;opacity:.6}.pdf-preview-overlay{align-items:center;animation:fadeIn .2s ease-out;background:#000000e6;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1100}.pdf-preview-modal{background:#fff;border-radius:12px;box-shadow:0 8px 32px #00000080;display:flex;flex-direction:column;height:90vh;max-width:1200px;width:95%}.pdf-preview-header{align-items:center;border-bottom:1px solid #eee;display:flex;justify-content:space-between;padding:16px 20px}.pdf-preview-header h3{color:#333;font-size:18px;margin:0}.pdf-preview-content{flex:1 1;overflow:hidden;position:relative}.pdf-viewer{border:none;height:100%;width:100%}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.reports-grid{grid-template-columns:1fr}.reports-viewer-modal{max-height:95vh;width:95%}.pdf-preview-modal{border-radius:0;height:100vh;width:100%}}.dashboard{background-color:#fafafa;display:flex;flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;height:100vh}.dashboard-nav{background-color:#fff;border-bottom:1px solid #e0e0e0;justify-content:space-between;padding:1rem 2rem;z-index:100}.dashboard-nav,.nav-left{align-items:center;display:flex}.nav-left{gap:1rem}.logo{color:#1a1a1a;font-size:1.5rem;font-weight:600;margin:0}.sidebar-toggle{background:none;border:none;color:#666;cursor:pointer;font-size:1.5rem;padding:.5rem}.nav-center{flex:1 1;margin:0 2rem;max-width:500px}.search-input{border:1px solid #e0e0e0;border-radius:6px;font-size:.9rem;padding:.5rem 1rem;width:100%}.search-input:focus{border-color:#999;outline:none}.nav-right{align-items:center;display:flex;gap:1.5rem}.upgrade-link{color:#666;font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s}.upgrade-link:hover{color:#1a1a1a}.dashboard-content{display:flex;flex:1 1;overflow:hidden}.sidebar{background-color:#fff;border-right:1px solid #e0e0e0;overflow-y:auto;transition:transform .3s ease;width:280px}.sidebar.closed{transform:translateX(-100%)}.profile-card{border-bottom:1px solid #e0e0e0;padding:2rem 1.5rem;text-align:center}.profile-avatar{align-items:center;background:#1a1a1a;border-radius:50%;color:#fff;display:flex;font-size:1.5rem;font-weight:600;height:60px;justify-content:center;margin:0 auto 1rem;width:60px}.profile-name{color:#1a1a1a;font-size:1.1rem;font-weight:600;margin:0 0 1.5rem}.profile-stats{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(3,1fr)}.stat{align-items:center;display:flex;flex-direction:column;gap:.25rem}.stat-label{color:#999;font-size:.75rem;letter-spacing:.05em;text-transform:uppercase}.stat-value{color:#1a1a1a;font-size:.95rem;font-weight:600}.sidebar-section{border-bottom:1px solid #e0e0e0;padding:1.5rem 1rem}.sidebar-section h4{color:#999;font-size:.75rem;font-weight:600;letter-spacing:.05em;margin:0 0 1rem;text-transform:uppercase}.attempts-list,.subjects-list{display:flex;flex-direction:column;gap:.5rem}.subject-item{align-items:center;background-color:#fafafa;border-left:3px solid #e0e0e0;border-radius:6px;cursor:pointer;display:flex;gap:.75rem;padding:.75rem;transition:all .2s}.subject-item:hover{background-color:#f0f0f0}.subject-name{color:#1a1a1a;flex:1 1;font-size:.9rem;font-weight:500}.subject-badge{color:#666;font-size:.75rem}.attempt-item{align-items:center;background-color:#fafafa;border-radius:6px;cursor:pointer;display:flex;gap:.75rem;padding:.75rem;transition:background-color .2s}.attempt-item:hover{background-color:#f0f0f0}.attempt-indicator{border-radius:50%;height:8px;width:8px}.attempt-details{flex:1 1}.attempt-subject{color:#1a1a1a;font-size:.9rem;font-weight:500}.attempt-score{color:#999;font-size:.8rem;margin-top:.25rem}.main-canvas{background-color:#fafafa;flex:1 1;overflow-y:auto;padding:2rem}.canvas-section{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;margin-bottom:1.5rem;padding:2rem}.section-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.canvas-section h2{color:#1a1a1a;font-size:1.2rem;font-weight:600;margin:0 0 1.5rem}.add-btn{background-color:#1a1a1a;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:.9rem;font-weight:500;padding:.5rem 1rem;transition:background-color .2s}.add-btn:hover{background-color:#333}.todos-container{display:flex;flex-direction:column;gap:.75rem}.todo-item{align-items:flex-start;background-color:#fafafa;border-left:3px solid #e0e0e0;border-radius:6px;display:flex;gap:1rem;padding:1rem;transition:all .2s}.todo-item.completed{opacity:.5}.todo-item.completed .todo-title{text-decoration:line-through}.todo-item input[type=checkbox]{cursor:pointer;height:18px;margin-top:.25rem;width:18px}.todo-content{flex:1 1}.todo-title{color:#1a1a1a;font-weight:500;margin-bottom:.25rem}.todo-description{color:#666;font-size:.9rem;margin-bottom:.5rem}.todo-due-date{color:#999;font-size:.85rem}.todo-actions{align-items:center;display:flex;gap:.5rem}.priority-badge{border-radius:4px;font-size:.7rem;font-weight:600;padding:.25rem .5rem}.priority-badge.high{background-color:#fee;color:#c00}.delete-btn{background:none;border:none;cursor:pointer;font-size:1.2rem;opacity:.4;transition:opacity .2s}.delete-btn:hover{opacity:1}.learning-path-placeholder{color:#999;padding:3rem 2rem;text-align:center}.placeholder-hint{color:#bbb;font-size:.9rem;margin-top:.5rem}.progress-summary{display:flex;flex-direction:column;gap:1rem}.subject-progress{background-color:#fafafa;border-radius:6px;padding:1rem}.subject-progress-header{align-items:center;display:flex;gap:.75rem;margin-bottom:.5rem}.progress-indicator{border-radius:50%;height:12px;width:12px}.subject-progress-name{color:#1a1a1a;font-weight:600}.subject-progress-stats{color:#666;display:flex;font-size:.9rem;gap:.5rem;margin-left:1.5rem}.quick-actions{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.action-card{align-items:center;background-color:#fafafa;border:1px solid #e0e0e0;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;gap:.75rem;padding:1.5rem 1rem;transition:all .2s}.action-card:hover{background-color:#f0f0f0;border-color:#ccc}.action-icon{font-size:2rem}.action-label{color:#1a1a1a;font-size:.9rem;font-weight:500}.empty-message{color:#bbb;font-size:.9rem;font-style:italic;padding:2rem;text-align:center}.error-container,.loading-container{align-items:center;display:flex;flex-direction:column;gap:1rem;height:100vh;justify-content:center}.loading{font-size:1.2rem}.error-message{color:#c00;font-size:1.1rem}@media (max-width:768px){.dashboard-nav{padding:1rem}.nav-center{display:none}.sidebar{box-shadow:2px 0 8px #0000001a;height:100%;left:0;position:fixed;top:0;z-index:200}.sidebar.closed{transform:translateX(-100%)}.main-canvas{padding:1rem}.quick-actions{grid-template-columns:repeat(2,1fr)}}.copilot-container{bottom:24px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;position:fixed;right:24px;z-index:1000}.copilot-toggle{align-items:center;background:linear-gradient(135deg,#6e8efb,#a777e3);border:none;border-radius:30px;box-shadow:0 4px 15px #6e8efb66;color:#fff;cursor:pointer;display:flex;font-weight:600;gap:10px;padding:12px 20px;transition:all .3s ease}.copilot-toggle:hover{box-shadow:0 6px 20px #6e8efb99;transform:translateY(-2px)}.copilot-icon{font-size:20px}.copilot-window{animation:slideIn .3s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffffa;border:1px solid #ffffff4d;border-radius:20px;box-shadow:0 10px 40px #0003;display:flex;flex-direction:column;overflow:hidden;position:relative}.resize-handle.top-left{background:#0000;cursor:nwse-resize;height:20px;left:0;position:absolute;top:0;width:20px;z-index:1001}.resize-handle.top-left:before{border-left:2px solid #ffffff80;border-top:2px solid #ffffff80;border-top-left-radius:2px;content:"";height:8px;left:4px;position:absolute;top:4px;width:8px}.resize-handle.top-left:hover:before{border-color:#fff}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.copilot-window.maximized{border-radius:12px;bottom:20px!important;height:calc(100vh - 40px)!important;left:20px!important;max-height:none!important;max-width:none!important;position:fixed!important;right:20px!important;top:20px!important;width:calc(100vw - 40px)!important}.copilot-header{background:linear-gradient(135deg,#6e8efb,#a777e3);color:#fff;flex-shrink:0;justify-content:space-between;padding:16px 20px}.copilot-header,.header-info{align-items:center;display:flex}.header-info{gap:8px}.header-actions{gap:12px}.clear-btn,.header-actions{align-items:center;display:flex}.clear-btn{background:none;border:none;color:#fff;cursor:pointer;font-size:16px;justify-content:center;opacity:.9;padding:4px;transition:opacity .2s,transform .2s}.clear-btn:hover{opacity:1;transform:scale(1.1)}.maximize-btn{align-items:center;background:none;border:none;color:#fff;cursor:pointer;display:flex;font-size:16px;justify-content:center;opacity:.9;padding:4px;transition:opacity .2s,transform .2s}.maximize-btn:hover{opacity:1;transform:scale(1.1)}.copilot-header h3{font-size:1.1rem;font-weight:600;margin:0}.close-btn:hover{opacity:1}.context-toggle-btn{align-items:center;background:none;border:none;color:#fff;cursor:pointer;display:flex;font-size:16px;justify-content:center;opacity:.5;padding:4px;position:relative;transition:all .2s}.context-toggle-btn.active{opacity:1}.context-toggle-btn.active:after{background:#4caf50;border-radius:50%;bottom:-2px;content:"";height:4px;left:50%;position:absolute;transform:translateX(-50%);width:4px}.context-toggle-btn:hover{opacity:1;transform:scale(1.1)}.copilot-messages{background:#f8f9fa;display:flex;flex:1 1;flex-direction:column;gap:16px;overflow-y:auto;padding:20px}.message{border-radius:15px;font-size:14px;line-height:1.5;max-width:90%;padding:12px 16px}.message.assistant{align-self:flex-start;background:#fff;border-bottom-left-radius:2px;box-shadow:0 2px 5px #0000000d;color:#333}.message.user{align-self:flex-end;background:#6e8efb;border-bottom-right-radius:2px;color:#fff}.message-content h1,.message-content h2,.message-content h3{font-size:1.1em;margin-bottom:5px;margin-top:10px}.message-content p{margin-bottom:8px}.message-content ol,.message-content ul{margin-bottom:8px;margin-left:20px}.message-content table{border-collapse:collapse;font-size:.9em;margin:10px 0;width:100%}.message-content td,.message-content th{border:1px solid #ddd;padding:6px 8px;text-align:left}.message-content th{background-color:#f2f2f2}.message-content pre{background:#f4f4f4;border-radius:5px;margin:8px 0;overflow-x:auto;padding:8px}.message-content code{background:#0000000d;border-radius:3px;font-family:monospace;padding:2px 4px}.katex-display{margin:10px 0!important;overflow-x:auto;overflow-y:hidden}.katex{font-size:1.05em}.formula-card{background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-left:3px solid #6e8efb;border-radius:8px;box-shadow:0 2px 4px #0000000d;margin:12px 0;overflow-x:auto;padding:12px 16px}.formula-card .math-display{margin:0!important;text-align:center}.katex-inline{padding:0 2px}.message-sources{border-top:1px solid #0000000d;color:#666;font-style:italic;margin-top:8px;padding-top:8px}.copilot-input{background:#fff;border-top:1px solid #eee;display:flex;flex-shrink:0;gap:10px;padding:16px}.copilot-input input{border:1px solid #eee;border-radius:20px;flex:1 1;outline:none;padding:10px 15px;transition:border-color .3s}.copilot-input input:focus{border-color:#6e8efb}.copilot-input button{background:#6e8efb;border:none;border-radius:20px;color:#fff;cursor:pointer;font-weight:600;padding:8px 16px;transition:background .3s}.copilot-input button:disabled{background:#ccc;cursor:not-allowed}.typing-indicator{display:flex;gap:4px}.typing-indicator span{animation:bounce 1.4s ease-in-out infinite both;background:#999;border-radius:50%;height:6px;width:6px}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.mermaid-diagram{align-items:center;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;display:flex;justify-content:center;margin:12px 0;overflow-x:auto;padding:20px}.mermaid-diagram svg{height:auto;max-width:100%}.mermaid-error{background:#fee;border:1px solid #fcc;border-radius:8px;color:#c33;font-size:.9em;margin:12px 0;padding:12px}*{box-sizing:border-box}*,body{margin:0;padding:0}body{background-color:#fafafa;color:#1a1a1a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6}.app{min-height:100vh;width:100%}.app-header{border-bottom:1px solid #e0e0e0;margin-bottom:40px;padding:20px 0;text-align:center}.app-header h1{color:#1a1a1a;font-weight:600}.subject-catalogue{background-color:#fafafa;min-height:100vh;padding:2rem}.catalogue-header{margin-bottom:2rem}.subject-catalogue h2{color:#1a1a1a;font-weight:600;margin-bottom:30px;text-align:center}.subject-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));margin:0 auto;max-width:1400px}.subject-card{align-items:center;background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;padding:2rem;text-align:center;transition:all .2s ease}.subject-card:hover{border-color:#ccc;box-shadow:0 4px 12px #00000014;transform:translateY(-2px)}.subject-card.selected{border-color:#1a1a1a;border-width:2px}.subject-icon{font-size:48px;margin-bottom:15px}.subject-card h3{color:#fff;font-weight:600;margin-bottom:10px}.subject-card p{color:#ffffffe6;font-size:.9rem}.quizzes-section{margin-top:3rem}.quizzes-section h3{color:#1a1a1a;font-size:1.2rem;font-weight:600;margin-bottom:1.5rem}.quizzes-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));margin:0 auto;max-width:1400px}.quiz-card{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;cursor:pointer;padding:1.5rem;transition:all .2s ease}.quiz-card:hover{border-color:#ccc;box-shadow:0 4px 12px #00000014}.quiz-card.selected{border-color:#1a1a1a;border-width:2px}.quiz-card h4{color:#1a1a1a;font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.quiz-description{color:#666;font-size:.9rem;margin-bottom:1rem}.quiz-details{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:.75rem}.quiz-detail-item{color:#666;font-size:.85rem}.quiz-topics{color:#999;font-size:.85rem;margin-top:.5rem}.chapters-section{margin-top:3rem}.chapters-section h3{color:#1a1a1a;font-size:1.2rem;font-weight:600;margin-bottom:1.5rem}.chapters-tags{display:flex;flex-wrap:wrap;gap:.75rem}.chapter-tag{background-color:#fff;border:1px solid #e0e0e0;border-radius:6px;color:#1a1a1a;cursor:pointer;font-size:.9rem;padding:.5rem 1rem;transition:all .2s ease}.chapter-tag:hover{background-color:#fafafa;border-color:#ccc}.chapter-tag.selected{background-color:#1a1a1a;border-color:#1a1a1a;color:#fff}.assessment-header{align-items:center;background-color:#fff;border-bottom:1px solid #e0e0e0;display:flex;margin-bottom:30px;padding:1.5rem 2rem}.back-button{background:none;border:none;color:#666;cursor:pointer;font-size:16px;margin-right:20px;transition:color .2s}.back-button:hover{color:#1a1a1a}.next-button{background-color:#1a1a1a!important;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1rem;font-weight:500;padding:.75rem 2rem;transition:all .2s}.next-button:hover:not(:disabled){background-color:#333!important}.next-button:disabled{background-color:#ccc!important;cursor:not-allowed}.tabs{background-color:#fff;border-bottom:1px solid #e0e0e0;display:flex;margin-bottom:20px;padding:0 2rem}.tab{background:none;border:none;color:#666;cursor:pointer;font-size:.95rem;padding:1rem 1.5rem;position:relative;transition:color .2s}.tab.active,.tab:hover{color:#1a1a1a}.tab.active{font-weight:600}.tab.active:after{background-color:#1a1a1a;bottom:-1px;content:"";height:2px;left:0;position:absolute;width:100%}.tab:disabled{color:#ccc;cursor:not-allowed}.quiz-tab{align-items:center;display:flex;flex-direction:column;margin:0 auto;max-width:800px;padding:2rem;width:100%}.quiz-progress{color:#666;font-size:.95rem;font-weight:500;margin-bottom:20px;text-align:center;width:100%}.quiz-navigation{display:flex;gap:1rem;justify-content:center;margin-top:2rem;width:100%}.quiz-navigation button{background-color:#1a1a1a;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:.95rem;font-weight:500;min-width:120px;padding:.75rem 2rem;transition:all .2s ease}.quiz-navigation button:hover:not(:disabled){background-color:#333}.quiz-navigation button:disabled{background-color:#ccc;cursor:not-allowed;opacity:.6}.finish-button{background-color:#1a1a1a!important}.finish-button:hover:not(:disabled){background-color:#333!important}.quiz-results{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:2rem auto;max-width:600px;padding:3rem;text-align:center}.score-display{margin:2rem 0}.score{color:#1a1a1a;font-size:72px;font-weight:600}.learning-path-tab{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:0 auto;max-width:1000px;padding:2rem}.learning-path-tab h3{color:#1a1a1a;font-weight:600;margin-bottom:1.5rem}.learning-paths{display:flex;flex-direction:column;gap:1.5rem}.learning-path-item{border-left:3px solid #1a1a1a;padding-left:1.5rem}.learning-path-item h4{color:#1a1a1a;font-weight:600;margin-bottom:.75rem}.learning-path-item ol{padding-left:1.5rem}.learning-path-item li{color:#666;margin-bottom:.5rem}.resources-tab{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;margin:0 auto;max-width:1000px;padding:2rem}.resources-tab h3{color:#1a1a1a;font-weight:600;margin-bottom:1.5rem}.topic-resources{margin-bottom:2rem}.topic-resources h4{color:#1a1a1a;font-weight:600;margin-bottom:.75rem}.resources-list{list-style-type:none}.resources-list li{margin-bottom:.75rem;padding-left:1.5rem;position:relative}.resources-list li:before{color:#666;content:"→";left:0;position:absolute}.resources-list a{color:#1a1a1a;text-decoration:none;transition:color .2s}.resources-list a:hover{color:#666}.loading{color:#999;font-size:.95rem;padding:2rem;text-align:center}@media (max-width:768px){.quizzes-grid,.subject-grid{grid-template-columns:1fr}.quiz-card{padding:1.5rem}.assessment-header,.learning-path-tab,.quiz-tab,.resources-tab,.subject-catalogue,.tabs{padding:1rem}}img{height:auto;max-width:100%}.auth-page{align-items:center;background-color:#fafafa;display:flex;justify-content:center;min-height:100vh;padding:20px}.cl-rootBox{max-width:400px;width:100%}.cl-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:2rem}
/*# sourceMappingURL=main.837206c8.css.map*/