@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&display=swap";:root{--font-sans: "Poppins", sans-serif;--primary-blue: #3b82f6;--accent-amber: #f59e0b;--text-dark: #1f2937;--bg-light: #f8fafc;--bg-lighter: #f9fafb;--border-color: #e2e8f0;--primary-color: var(--primary-blue);--secondary-color: var(--accent-amber);--accent-color: #10b981;--bg-color: var(--bg-light);--text-color: var(--text-dark);--text-secondary: #4b5563;--card-bg: #ffffff;--font-primary: var(--font-sans);--font-heading: var(--font-sans);font-family:var(--font-primary);line-height:1.6;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}html{box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}body{margin:0;padding:0;color:var(--text-color);font-family:var(--font-primary);transition:color .3s ease}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-color)}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:var(--font-primary);background-color:var(--primary-color);color:#fff;cursor:pointer;transition:all .25s ease}button:hover{opacity:.9;transform:translateY(-1px)}button:focus,button:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}h1,h2,h3,h4,h5,h6,p,ul,ol{margin-top:0}a{color:var(--primary-color);text-decoration:none;font-weight:500}a:hover{text-decoration:underline}.home-container{max-width:1200px;margin:2rem auto;padding:0 1.5rem;min-height:calc(100vh - 100px)}.home-header{text-align:center;margin:0 auto 2rem;padding:2.5rem;background-color:var(--card-bg);border-radius:12px;border:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:950px}.lessons-grid{display:flex;flex-direction:column;align-items:center;position:relative;padding:2rem 0;max-width:950px;margin:0 auto}.lessons-grid:before{content:"";position:absolute;top:40px;bottom:40px;left:50%;width:4px;background-color:var(--border-color);transform:translate(-50%);z-index:0}.lesson-card-link{text-decoration:none;color:inherit;position:relative;margin-bottom:2rem;width:calc(50% - 40px);z-index:1}.lesson-card-link:after{content:"";position:absolute;top:2rem;width:20px;height:20px;border-radius:50%;background-color:var(--card-bg);border:4px solid var(--border-color);z-index:2;transition:all .2s ease-in-out}.lesson-card-link:hover:after{background-color:var(--primary-color);border-color:var(--primary-color)}.lesson-card-link:nth-child(odd){align-self:flex-start;margin-left:40px}.lesson-card-link:nth-child(2n){align-self:flex-end;margin-right:40px}.lesson-card-link:nth-child(odd):after{right:-40px;transform:translateY(-50%)}.lesson-card-link:nth-child(2n):after{left:-40px;transform:translateY(-50%)}.lesson-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;height:100%;transition:all .2s ease-in-out;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);box-shadow:0 4px 20px #00000026}.lesson-card-header{margin-bottom:1rem}.lesson-number{display:block;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem;opacity:.8}.lesson-title{margin:0;font-size:1.25rem;font-weight:600;color:var(--text-color);line-height:1.3}.lesson-description{margin:0;color:var(--text-secondary);line-height:1.5}[data-theme=default] .lesson-card{background:#fffffff2;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 20px #0000001a}[data-theme=space] .lesson-card{background:#0f172ae6;border:1px solid rgba(59,130,246,.3);color:#e2e8f0}[data-theme=space] .lesson-number{color:#60a5fa}[data-theme=space] .lesson-title{color:#f1f5f9}[data-theme=space] .lesson-description{color:#cbd5e1}[data-theme=fantasy] .lesson-card{background:#2d2419e6;border:1px solid rgba(212,175,55,.3);color:wheat}[data-theme=fantasy] .lesson-number{color:#d4af37}[data-theme=fantasy] .lesson-title{color:wheat}[data-theme=fantasy] .lesson-description{color:#deb887}[data-theme=cars] .lesson-card{background:#1e1e1ee6;border:1px solid rgba(249,115,22,.3);color:#f3f4f6}[data-theme=cars] .lesson-number{color:#fb923c}[data-theme=cars] .lesson-title{color:#f9fafb}[data-theme=cars] .lesson-description{color:#d1d5db}[data-theme=nature] .lesson-card{background:#1e293be6;border:1px solid rgba(34,197,94,.3);color:#f1f5f9}[data-theme=nature] .lesson-number{color:#34d399}[data-theme=nature] .lesson-title{color:#f8fafc}[data-theme=nature] .lesson-description{color:#cbd5e1}.lesson-card-link:hover .lesson-card{transform:translateY(-4px);box-shadow:0 6px 16px #0003;border-color:var(--primary-color)}.lesson-card-link:hover{text-decoration:none}.lesson-card h3{margin-top:0;margin-bottom:.5rem;font-size:1.25rem;color:var(--text-color)}.lesson-card p{margin:0;color:var(--text-secondary)}.lesson-type-capstone{width:100%;max-width:700px;margin-top:2rem;align-self:center!important}.lesson-type-capstone .lesson-card{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border:none}.lesson-type-capstone .lesson-card h3,.lesson-type-capstone .lesson-card p{color:#fff}.lesson-type-capstone:after{display:none}.lesson-content-overlay{background:#0006;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:12px;padding:2rem;margin:1rem 0}.lesson-content-container{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:2rem;margin:1rem 0;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 20px #00000026}[data-theme=default] .lesson-content-container{background:#fffffff2;border:1px solid rgba(0,0,0,.15);box-shadow:0 8px 25px #0000001a}[data-theme=space] .lesson-content-container,[data-theme=cars] .lesson-content-container,[data-theme=nature] .lesson-content-container{background:#000000bf;color:#fff;border:1px solid rgba(255,255,255,.1)}[data-theme=fantasy] .lesson-content-container{background:#2d2419d9;color:wheat;border:1px solid rgba(212,175,55,.2)}.text-section-container{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:2rem;margin:1rem 0;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 20px #00000026}[data-theme=default] .text-section-container{background:#fffffff2;border:1px solid rgba(0,0,0,.15);box-shadow:0 8px 25px #0000001a}[data-theme=space] .text-section-container,[data-theme=cars] .text-section-container,[data-theme=nature] .text-section-container{background:#000000bf;color:#fff;border:1px solid rgba(255,255,255,.1)}[data-theme=fantasy] .text-section-container{background:#2d2419d9;color:wheat;border:1px solid rgba(212,175,55,.2)}.widget-container{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:2rem;margin:1rem 0;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 20px #00000026}[data-theme=default] .widget-container{background:#fffffff2;border:1px solid rgba(0,0,0,.15);box-shadow:0 8px 25px #0000001a}[data-theme=space] .widget-container,[data-theme=cars] .widget-container,[data-theme=nature] .widget-container{background:#000000bf;color:#fff;border:1px solid rgba(255,255,255,.1)}[data-theme=fantasy] .widget-container{background:#2d2419d9;color:wheat;border:1px solid rgba(212,175,55,.2)}.quiz-container{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:2rem;margin:1rem 0;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 20px #00000026}[data-theme=default] .quiz-container{background:#fffffff2;border:1px solid rgba(0,0,0,.15);box-shadow:0 8px 25px #0000001a}[data-theme=space] .quiz-container,[data-theme=cars] .quiz-container,[data-theme=nature] .quiz-container{background:#000000bf;color:#fff;border:1px solid rgba(255,255,255,.1)}[data-theme=fantasy] .quiz-container{background:#2d2419d9;color:wheat;border:1px solid rgba(212,175,55,.2)}.table-of-contents{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:0 12px 12px 0;margin:1rem 0;border:1px solid rgba(0,0,0,.1);border-left:none;box-shadow:0 4px 20px #00000026}[data-theme=default] .table-of-contents{background:#fffffff2;border:1px solid rgba(0,0,0,.15);border-left:none;box-shadow:0 8px 25px #0000001a}[data-theme=space] .table-of-contents,[data-theme=cars] .table-of-contents,[data-theme=nature] .table-of-contents{background:#000000bf;color:#fff}[data-theme=fantasy] .table-of-contents{background:#2d2419d9;color:wheat}.lesson-navigation{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;margin:1rem 2rem;box-shadow:0 4px 20px #00000026;border:1px solid rgba(0,0,0,.1)}[data-theme=default] .lesson-navigation{background:#fffffff2;border:1px solid rgba(0,0,0,.15);box-shadow:0 8px 25px #0000001a}[data-theme=space] .lesson-navigation,[data-theme=cars] .lesson-navigation,[data-theme=nature] .lesson-navigation{background:#000000bf;border:1px solid rgba(255,255,255,.1)}[data-theme=fantasy] .lesson-navigation{background:#2d2419d9;border:1px solid rgba(212,175,55,.2)}.key-idea-box{background:linear-gradient(135deg,#3b82f626,#3b82f60d);border:2px solid var(--primary-color);border-radius:12px;padding:1.5rem 2rem;margin:2rem 0;position:relative;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 25px #00000026;transform:translate(0);transition:all .3s ease}.key-idea-box:before{content:"💡";position:absolute;bottom:-10px;right:20px;background:var(--primary-color);color:#fff;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 4px 12px #0003}.key-idea-box:hover{transform:translate(5px);box-shadow:0 12px 35px #0003}[data-theme=space] .key-idea-box{background:linear-gradient(135deg,#00d4ff26,#00ffff0d);border-color:#00d4ff;color:#fff}[data-theme=space] .key-idea-box:before{background:#00d4ff;content:"🚀"}[data-theme=fantasy] .key-idea-box{background:linear-gradient(135deg,#d4af3726,#228b220d);border-color:#d4af37;color:wheat}[data-theme=fantasy] .key-idea-box:before{background:#d4af37;content:"⚡"}[data-theme=cars] .key-idea-box{background:linear-gradient(135deg,#ff450026,#ffd7000d);border-color:#ff4500;color:#fff}[data-theme=cars] .key-idea-box:before{background:#ff4500;content:"🏎️"}[data-theme=nature] .key-idea-box{background:linear-gradient(135deg,#22c55e26,#84cc160d);border-color:#22c55e;color:#fff}[data-theme=nature] .key-idea-box:before{background:#22c55e;content:"🌱"}textarea,input[type=text],[data-theme=space] textarea,[data-theme=space] input[type=text],[data-theme=cars] textarea,[data-theme=cars] input[type=text],[data-theme=nature] textarea,[data-theme=nature] input[type=text],[data-theme=fantasy] textarea,[data-theme=fantasy] input[type=text]{background:#fffffff2!important;color:#1f2937!important;border:1px solid rgba(0,0,0,.2)!important}.translucent-header{background:#fffffff2!important;-webkit-backdrop-filter:blur(10px)!important;backdrop-filter:blur(10px)!important;border-bottom:1px solid rgba(0,0,0,.1)!important;box-shadow:0 4px 20px #00000026!important}[data-theme=default] .translucent-header{background:#fffffff2!important;border-bottom:1px solid rgba(0,0,0,.15)!important;box-shadow:0 8px 25px #0000001a!important}[data-theme=space] .translucent-header,[data-theme=cars] .translucent-header,[data-theme=nature] .translucent-header{background:#000000bf!important;color:#fff!important;border-bottom:1px solid rgba(255,255,255,.1)!important}[data-theme=fantasy] .translucent-header{background:#2d2419d9!important;color:wheat!important;border-bottom:1px solid rgba(212,175,55,.2)!important}main{background:none!important}.theme-picker-button{min-width:150px!important;justify-content:space-between!important}.theme-picker-dropdown{min-width:150px!important}.theme-picker-option{min-height:44px!important;justify-content:flex-start!important}.theme-name-default{font-family:Poppins,sans-serif!important}.theme-name-space{font-family:Orbitron,monospace!important}.theme-name-fantasy{font-family:Cinzel,serif!important}.theme-name-cars{font-family:Rajdhani,sans-serif!important}.theme-name-nature{font-family:Inter,sans-serif!important}.header-user-area,.header-user-area *,.cl-userButtonTrigger,.cl-userButtonTrigger *,.cl-avatarBox,.cl-avatarBox *,.cl-userButtonPopoverCard,.cl-userButtonPopoverCard *{font-family:Poppins,sans-serif!important}.logo-container{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:8px;padding:8px 12px;border:1px solid rgba(255,255,255,.2);transition:all .3s ease;display:flex;align-items:center;justify-content:center}.logo-container:hover{background:#ffffff40;transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}[data-theme=space] .logo-container,[data-theme=cars] .logo-container,[data-theme=nature] .logo-container{background:#ffffff1a;border:1px solid rgba(255,255,255,.2)}[data-theme=space] .logo-container:hover,[data-theme=cars] .logo-container:hover,[data-theme=nature] .logo-container:hover{background:#fff3;box-shadow:0 4px 12px #0003}[data-theme=default] .logo-container{background:#0000000d;border:1px solid rgba(0,0,0,.1)}[data-theme=default] .logo-container:hover{background:#0000001a;box-shadow:0 4px 12px #0000001a}[data-theme=fantasy] .logo-container{background:#d4af371a;border:1px solid rgba(212,175,55,.2)}[data-theme=fantasy] .logo-container:hover{background:#d4af3733;box-shadow:0 4px 12px #d4af3733}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:#ffffff1a;border-radius:6px}::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:6px;border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:var(--secondary-color);background-clip:content-box}[data-theme=default] ::-webkit-scrollbar-thumb{background:#94a3b8}[data-theme=default] ::-webkit-scrollbar-thumb:hover{background:#64748b}[data-theme=space] ::-webkit-scrollbar-thumb{background:#00d4ff}[data-theme=space] ::-webkit-scrollbar-thumb:hover{background:#0ff}[data-theme=fantasy] ::-webkit-scrollbar-thumb{background:#d4af37}[data-theme=fantasy] ::-webkit-scrollbar-thumb:hover{background:#228b22}[data-theme=cars] ::-webkit-scrollbar-thumb{background:#ff4500}[data-theme=cars] ::-webkit-scrollbar-thumb:hover{background:gold}[data-theme=nature] ::-webkit-scrollbar-thumb{background:#22c55e}[data-theme=nature] ::-webkit-scrollbar-thumb:hover{background:#84cc16}.lesson-container{height:100%!important;overflow:hidden!important;display:flex!important;flex-direction:column!important}.lesson-content{flex:1!important;overflow-y:auto!important;overflow-x:hidden!important;padding:2rem!important}.lesson-navigation button{background:var(--primary-color)!important;color:#fff!important;border:2px solid var(--primary-color)!important;padding:12px 24px!important;border-radius:8px!important;cursor:pointer!important;font-size:1rem!important;font-weight:600!important;box-shadow:0 4px 15px #0003!important;transition:all .2s ease-in-out!important;text-shadow:0 1px 2px rgba(0,0,0,.3)!important}.lesson-navigation button:hover{background:var(--secondary-color)!important;border-color:var(--secondary-color)!important;transform:translateY(-2px)!important;box-shadow:0 6px 20px #0000004d!important}.lesson-navigation button:disabled{background:#0000004d!important;border-color:#0000004d!important;color:#fff9!important;cursor:not-allowed!important;transform:none!important;box-shadow:none!important}.lesson-locked{pointer-events:none;opacity:.6}.lesson-locked .lesson-card{background:#64646480!important;border:2px dashed rgba(150,150,150,.5)!important;cursor:not-allowed}.lesson-locked .lesson-number{color:#9ca3af!important}.lesson-locked .lesson-title{color:#6b7280!important}.lesson-locked .lesson-description{color:#9ca3af!important;font-style:italic}[data-theme=space] .lesson-locked .lesson-card{background:#1e293bb3!important;border:2px dashed rgba(100,116,139,.5)!important}[data-theme=fantasy] .lesson-locked .lesson-card{background:#44403cb3!important;border:2px dashed rgba(120,113,108,.5)!important}[data-theme=cars] .lesson-locked .lesson-card{background:#374151b3!important;border:2px dashed rgba(107,114,128,.5)!important}.lesson-type-capstone.lesson-unlocked .lesson-card{animation:pulse-success 2s ease-in-out;box-shadow:0 0 20px #10b98166}@keyframes pulse-success{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}@keyframes bounce{0%,20%,50%,80%,to{transform:translate(-50%) translateY(0)}40%{transform:translate(-50%) translateY(-10px)}60%{transform:translate(-50%) translateY(-5px)}}