:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}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:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh}.loading-spinner{width:60px;height:60px;border:4px solid #f0f0f0;border-top-color:#8bc34a;border-radius:50%;animation:spin 1s linear infinite}.loading-text{margin-top:24px;color:#666;font-size:16px}@keyframes spin{to{transform:rotate(360deg)}}.courses-page{min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.back-button{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#333;padding:8px 16px;border-radius:20px;cursor:pointer;font-size:14px;font-weight:500;transition:all .3s ease;display:flex;align-items:center;gap:5px}.back-button:hover{background:#8bc34a;color:#fff;border-color:#8bc34a;transform:translate(-3px)}.courses-header{background:linear-gradient(135deg,#667eea,#764ba2);padding:40px 0;text-align:center;box-shadow:0 10px 30px #0000001a;position:relative;overflow:hidden}.courses-header:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:float 20s infinite linear}@keyframes float{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.courses-header-content{position:relative;z-index:1}.academy-logo{height:80px;margin-bottom:20px;filter:brightness(0) invert(1);animation:logoFadeIn .8s ease}@keyframes logoFadeIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.academy-title{font-size:48px;font-weight:800;color:#fff;margin:0 0 10px;text-transform:uppercase;letter-spacing:2px;animation:slideInTop .8s ease .2s both}.academy-subtitle{font-size:20px;color:#ffffffe6;margin:0;animation:slideInTop .8s ease .4s both}@keyframes slideInTop{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.courses-main{padding:60px 0}.courses-section{margin-bottom:80px}.section-title{font-size:36px;font-weight:700;text-align:center;margin-bottom:50px;color:#333;position:relative}.section-title:after{content:"";display:block;width:80px;height:4px;background:linear-gradient(90deg,#8bc34a,#aed581);margin:20px auto 0;border-radius:2px}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px;animation:gridFadeIn .8s ease .6s both}@keyframes gridFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.course-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 10px 30px #0000001a;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;animation:cardEntrance .6s ease backwards}.course-card:nth-child(1){animation-delay:.1s}.course-card:nth-child(2){animation-delay:.2s}.course-card:nth-child(3){animation-delay:.3s}@keyframes cardEntrance{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.course-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 20px 40px #00000026}.course-card.coming-soon{opacity:.7;cursor:not-allowed}.course-card.coming-soon:hover{transform:none}.course-progress-badge{position:absolute;top:20px;right:20px;background:linear-gradient(135deg,#4caf50,#8bc34a);color:#fff;padding:8px 16px;border-radius:20px;font-weight:700;font-size:14px;z-index:2;animation:bounceIn .5s ease;box-shadow:0 4px 10px #4caf504d}@keyframes bounceIn{0%{transform:scale(0)}60%{transform:scale(1.2)}to{transform:scale(1)}}.course-card-header{position:relative;height:200px;overflow:hidden;background:linear-gradient(135deg,var(--course-color, #8BC34A),transparent)}.course-image{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.course-card:hover .course-image{transform:scale(1.1)}.course-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--course-color, #8BC34A) 0%,rgba(139,195,74,.7) 100%)}.placeholder-icon{font-size:64px;filter:grayscale(.2);animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.1);opacity:1}}.course-status{position:absolute;top:20px;left:20px;padding:6px 16px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:1px}.status-available{background:#4caf50e6;color:#fff}.status-coming_soon{background:#ff9800e6;color:#fff}.course-card-body{padding:30px}.course-title{font-size:24px;font-weight:700;margin:0 0 15px;color:#333;line-height:1.3}.course-description{font-size:15px;color:#666;line-height:1.6;margin-bottom:20px;min-height:60px}.course-meta{display:flex;gap:20px;margin-bottom:20px;padding:15px 0;border-top:1px solid #f0f0f0;border-bottom:1px solid #f0f0f0}.meta-item{display:flex;align-items:center;gap:8px;font-size:14px;color:#666}.meta-icon{font-size:16px}.course-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.course-tag{display:inline-block;padding:4px 12px;background:#8bc34a1a;color:#689f38;border-radius:15px;font-size:12px;transition:all .2s ease}.course-tag:hover{background:#8bc34a33;transform:scale(1.05)}.course-progress{margin-top:20px}.progress-bar{height:8px;background:#f0f0f0;border-radius:10px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background:linear-gradient(90deg,#8bc34a,#aed581);border-radius:10px;transition:width .5s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.progress-fill:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{left:-100%}to{left:100%}}.progress-text{font-size:12px;color:#666;display:block;text-align:center}.course-card-footer{padding:0 30px 30px}.course-btn{width:100%;padding:14px 24px;background:linear-gradient(135deg,var(--course-color, #8BC34A),var(--course-color, #AED581));color:#fff;border:none;border-radius:50px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.course-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#ffffff4d;border-radius:50%;transform:translate(-50%,-50%);transition:width .6s,height .6s}.course-btn:hover:before{width:300px;height:300px}.course-btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px #8bc34a4d}.course-btn.disabled{opacity:.5;cursor:not-allowed}.course-btn.disabled:hover{transform:none;box-shadow:none}.academy-info{margin-top:100px;text-align:center}.academy-info h2{font-size:36px;font-weight:700;margin-bottom:50px;color:#333}.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-top:50px}.info-card{background:#fff;padding:40px 30px;border-radius:20px;box-shadow:0 10px 30px #0000001a;transition:all .3s ease;animation:infoCardFadeIn .8s ease backwards}.info-card:nth-child(1){animation-delay:.2s}.info-card:nth-child(2){animation-delay:.3s}.info-card:nth-child(3){animation-delay:.4s}@keyframes infoCardFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.info-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px #00000026}.info-icon{font-size:48px;margin-bottom:20px;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.info-card h3{font-size:24px;font-weight:600;margin-bottom:15px;color:#333}.info-card p{font-size:16px;color:#666;line-height:1.6}.courses-footer{background:#6c44ff;color:#fff;padding:30px 0;text-align:center;margin-top:80px}.courses-footer p{margin:0;font-size:14px}@media (max-width: 768px){.academy-title{font-size:32px}.academy-subtitle{font-size:16px}.courses-grid{grid-template-columns:1fr;gap:20px}.section-title{font-size:28px}.info-cards{grid-template-columns:1fr}.course-meta{flex-direction:column;gap:10px}}.quiz-block{background:#fff;border-radius:16px;padding:32px;margin:20px 0;border:2px solid #f0f0f0;transition:all .3s ease}.quiz-block:hover{box-shadow:0 8px 24px #8bc34a1a;border-color:#8bc34a40}.quiz-question{font-size:18px;font-weight:600;margin-bottom:24px;color:#333;line-height:1.5}.quiz-hint{font-size:14px;color:#666;margin-top:8px}.quiz-options{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.quiz-option:hover{background:#8bc34a10;border-color:#8bc34a;transform:translate(4px)}.quiz-option input[type=radio],.quiz-option input[type=checkbox]{width:20px;height:20px;margin-right:16px;accent-color:#9C27B0}.quiz-option.correct{background:#4caf5010;border-color:#4caf50;color:#2e7d32}.quiz-option.incorrect{background:#f4433610;border-color:#f44336;color:#c62828}.correct-indicator{margin-left:auto;font-size:20px;color:#4caf50}.quiz-submit{margin-top:16px}.quiz-progress{margin-bottom:24px}.progress-text{font-size:14px;color:#666;margin-bottom:8px}.quiz-option-button{padding:20px;background:#fff;color:#4caf50;border:2px solid #e0e0e0;border-radius:12px;font-size:16px;cursor:pointer;transition:all .2s ease}.quiz-option-button:hover{background:#8bc34a;color:#fff;transform:scale(1.02)}.quiz-option-button.correct{background:#4caf50;color:#fff;border-color:#4caf50}.quiz-option-button.incorrect{background:#f44336;color:#fff;border-color:#f44336}.quiz-input{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:16px;transition:border-color .3s ease}.quiz-input:focus{outline:none;border-color:#9c27b0}.input-hint{font-size:12px;color:#666;margin-left:8px}.quiz-complete{text-align:center;padding:32px}.quiz-complete h3{color:#4caf50;margin-bottom:16px}.quiz-success-message{display:inline-flex;align-items:center;gap:12px;margin-top:16px;padding:12px 24px;background:linear-gradient(135deg,#4caf5010,#4caf5020);border:2px solid #4CAF50;border-radius:50px;animation:successSlideIn .4s ease}.success-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:#4caf50;color:#fff;border-radius:50%;font-size:14px;font-weight:700;animation:successScale .5s ease}.success-text{color:#4caf50;font-weight:500;font-size:16px}@keyframes successSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes successScale{0%{transform:scale(0)}60%{transform:scale(1.2)}to{transform:scale(1)}}.quiz-block.submitted .quiz-option{opacity:.7}.quiz-block.submitted .quiz-option input:checked+.option-text{font-weight:600;color:#4caf50}.quiz-result-badge{display:inline-flex;align-items:center;gap:12px;margin-top:20px;padding:14px 28px;border-radius:50px;font-weight:600;animation:resultBounceIn .5s cubic-bezier(.68,-.55,.265,1.55)}.quiz-result-badge.correct{background:linear-gradient(135deg,#4caf50,#66bb6a);color:#fff;box-shadow:0 4px 15px #4caf504d}.quiz-result-badge.incorrect{background:linear-gradient(135deg,#f44336,#ef5350);color:#fff;box-shadow:0 4px 15px #f443364d}.result-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:#ffffff4d;border-radius:50%;font-size:16px;animation:iconRotate .6s ease .2s}.result-text{font-size:16px}@keyframes resultBounceIn{0%{opacity:0;transform:scale(.3) translateY(20px)}50%{transform:scale(1.05) translateY(-5px)}70%{transform:scale(.9) translateY(2px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes iconRotate{0%{transform:rotate(0) scale(0)}50%{transform:rotate(180deg) scale(1.1)}to{transform:rotate(360deg) scale(1)}}.quiz-option.correct{animation:correctAnswer .6s ease;background:linear-gradient(135deg,#4caf5010,#4caf5030);border-color:#4caf50;position:relative}.quiz-option.incorrect{animation:incorrectAnswer .6s ease;background:linear-gradient(135deg,#f4433610,#f4433630);border-color:#f44336;animation:shake .5s ease}@keyframes correctAnswer{0%{transform:scale(1);background:#f5f5f5}50%{transform:scale(1.02);box-shadow:0 0 20px #4caf504d}to{transform:scale(1)}}@keyframes incorrectAnswer{0%{transform:scale(1)}50%{transform:scale(1.02);box-shadow:0 0 20px #f443364d}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-3px)}20%,40%,60%,80%{transform:translate(3px)}}.correct-indicator{animation:checkmarkPop .4s cubic-bezier(.68,-.55,.265,1.55) .3s both}@keyframes checkmarkPop{0%{transform:scale(0) rotate(-45deg);opacity:0}50%{transform:scale(1.2) rotate(10deg)}to{transform:scale(1) rotate(0);opacity:1}}.quiz-feedback{animation:feedbackSlide .5s ease .4s both}@keyframes feedbackSlide{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.quiz-multiple .checkbox-option{animation:slideInOption .4s ease backwards}.quiz-multiple .checkbox-option.correct{animation:correctMultiple .6s ease}.quiz-multiple .checkbox-option.incorrect{animation:incorrectMultiple .6s ease}@keyframes slideInOption{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes correctMultiple{0%,to{transform:scale(1)}50%{transform:scale(1.03);background:linear-gradient(135deg,#4caf5020,#4caf5040)}}@keyframes incorrectMultiple{0%,to{transform:translate(0)}25%{transform:translate(-5px) rotate(-1deg)}75%{transform:translate(5px) rotate(1deg)}}.quiz-result-badge.partial{background:linear-gradient(135deg,#ff9800,#ffb74d);color:#fff;box-shadow:0 4px 15px #ff98004d}.quiz-sequential .quiz-option-button{animation:scaleIn .3s ease backwards}.quiz-sequential.animating .quiz-question{transition:all .3s ease}.quiz-question.slide-out{animation:slideOut .3s ease}.quiz-question.slide-in{animation:slideIn .3s ease}@keyframes slideOut{to{opacity:0;transform:translate(-30px)}}@keyframes slideIn{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.progress-fill.animated{transition:width .5s cubic-bezier(.4,0,.2,1)}.quiz-complete-animation{text-align:center;animation:completeAnimation .6s ease}.complete-circle{width:120px;height:120px;margin:30px auto 24px;background:linear-gradient(135deg,#4caf50,#8bc34a);border-radius:50%;display:flex;align-items:center;justify-content:center;animation:circleScale .8s cubic-bezier(.68,-.55,.265,1.55);box-shadow:0 10px 30px #4caf504d}.complete-percentage{font-size:32px;font-weight:700;color:#fff;animation:numberCount 1s ease}@keyframes completeAnimation{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes circleScale{0%{transform:scale(0) rotate(0)}50%{transform:scale(1.1) rotate(180deg)}to{transform:scale(1) rotate(360deg)}}@keyframes numberCount{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.next-question-btn{margin-top:20px;animation:slideUpButton .4s ease}@keyframes slideUpButton{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.incorrect-indicator{margin-left:auto;font-size:20px;color:#f44336;animation:xMarkPop .4s cubic-bezier(.68,-.55,.265,1.55)}@keyframes xMarkPop{0%{transform:scale(0) rotate(45deg);opacity:0}50%{transform:scale(1.2) rotate(-10deg)}to{transform:scale(1) rotate(0);opacity:1}}.input-block .input-wrapper{position:relative}.quiz-input.input-submitted{background:linear-gradient(to right,#4caf5010,#8bc34a10);border-color:#4caf50;animation:inputSuccess .4s ease}@keyframes inputSuccess{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.input-success-badge{display:inline-flex;align-items:center;gap:12px;margin-top:16px;padding:14px 24px;background:linear-gradient(135deg,#8bc34a20,#4caf5020);border:2px solid #4CAF50;border-radius:12px;animation:inputBadgeSlide .5s cubic-bezier(.68,-.55,.265,1.55)}@keyframes inputBadgeSlide{0%{opacity:0;transform:translateY(20px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.quiz-feedback.animated{animation:feedbackBounce .5s ease}@keyframes feedbackBounce{0%{opacity:0;transform:translateY(-10px)}60%{transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}.quiz-question .markdown-content p,.option-text .markdown-content p{margin:0;display:inline}.quiz-description{margin-bottom:24px;padding:16px;background:#8bc34a0d;border-left:3px solid #8BC34A;border-radius:8px}.quiz-description .markdown-content{font-size:16px;line-height:1.6;color:#333}.quiz-sequential.quiz-history{position:relative}.quiz-questions-list{display:flex;flex-direction:column;gap:32px}.quiz-question-item{padding:24px;background:#fff;border-radius:12px;border:2px solid #f0f0f0;transition:all .3s ease}.quiz-question-item.current{border-color:#8bc34a;box-shadow:0 4px 20px #8bc34a26}.quiz-question-item.answered{opacity:.95;border-color:#e0e0e0}.question-number{display:inline-block;padding:4px 12px;background:#8bc34a;color:#fff;border-radius:20px;font-size:14px;font-weight:600;margin-bottom:16px}.quiz-question-item.answered .question-number{background:#666}.sticky-progress{position:sticky;top:0;background:#fff;z-index:10;padding:16px;margin:-16px -16px 24px;border-radius:12px}.quiz-question-item.slide-in{animation:slideInFromBottom .5s ease}@keyframes slideInFromBottom{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.quiz-option-button.disabled{opacity:.5;cursor:default}.quiz-option-button.disabled:hover{transform:none;background:#fff}@media (max-width: 768px){.quiz-questions-list{gap:24px}.quiz-question-item{padding:16px}}.quiz-complete-animation-bottom{margin-top:32px;padding:32px;text-align:center;background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-radius:16px;animation:slideInFromBottom .6s ease}.quiz-feedback{background:#8bc34a10;border-left:4px solid #8BC34A;border-radius:8px;padding:16px 20px;margin-top:20px;animation:slideDown .3s ease}.quiz-feedback.correct-feedback{background:#4caf5010;border-left-color:#4caf50}.quiz-feedback.incorrect-feedback{background:#ff570710;border-left-color:#ff5722}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.quiz-option input[type=radio],.quiz-option input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;min-width:20px;min-height:20px;background:#fff;border:2px solid #e0e0e0;border-radius:50%;margin-right:16px;cursor:pointer;position:relative;transition:all .2s ease;flex-shrink:0}.quiz-option input[type=radio]:hover,.quiz-option input[type=checkbox]:hover{border-color:#8bc34a}.quiz-option input[type=radio]:checked{border-color:#9c27b0;background:#fff}.quiz-option input[type=radio]:checked:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:10px;height:10px;border-radius:50%;background:#9c27b0}.quiz-option input[type=checkbox]{border-radius:6px}.quiz-option input[type=checkbox]:checked{border-color:#9c27b0;background:#fff}.quiz-option input[type=checkbox]:checked:after{content:"";position:absolute;top:3px;left:6px;width:5px;height:10px;border:solid #9C27B0;border-width:0 2px 2px 0;transform:rotate(45deg);animation:scaleIn .2s ease}.quiz-option input[type=radio]:disabled,.quiz-option input[type=checkbox]:disabled{opacity:.6;cursor:not-allowed}.quiz-option input[type=checkbox]:checked:after{animation:checkIn .2s ease}@keyframes checkIn{0%{transform:scale(0) rotate(45deg)}to{transform:scale(1) rotate(45deg)}}.quiz-option{display:flex;align-items:center;padding:16px 20px;background:#f5f5f5;border:2px solid transparent;border-radius:12px;cursor:pointer;transition:all .2s ease}.option-text{flex:1;line-height:1.5}.quiz-option.correct input[type=radio]:checked:after,.quiz-option.correct input[type=checkbox]:checked:after{background:#4caf50;border-color:#4caf50}.quiz-option.incorrect input[type=radio]:checked:after{background:#f44336}.quiz-option.incorrect input[type=checkbox]:checked:after{border-color:#f44336}.quiz-question-with-description{margin-bottom:24px;padding:20px;background:#8bc34a14;border-left:4px solid #8BC34A;border-radius:8px}.quiz-question-title{font-size:18px;font-weight:600;color:#333;margin-bottom:12px}.quiz-question-title .markdown-content p{margin:0;display:inline}.quiz-question-text{font-size:16px;line-height:1.6;color:#444}.quiz-question-text .markdown-content p{margin:0}.lesson-viewer{background:#fff;border-radius:16px;box-shadow:0 4px 12px #00000014;padding:40px;max-width:800px;margin:0 auto}.lesson-header{margin-bottom:32px;padding-bottom:10px;border-bottom:2px solid #f0f0f0}.lesson-header-content{display:flex;justify-content:space-between;align-items:center}.lesson-number-viewer-one{border:2px solid #8BC34A;color:#8bc34a;padding:6px 16px;border-radius:20px;font-size:14px;font-weight:600}.lesson-title{font-size:16px;color:#333}.lesson-duration{display:flex;align-items:center;gap:6px;color:#666;font-size:14px}.duration-icon{font-size:16px}.lesson-content{line-height:1.8;color:#444}.content-block{margin-bottom:25px}.markdown-content h1{font-size:28px;line-height:1.4;margin:32px 0 16px}.markdown-content h2{font-size:24px;line-height:1.5;margin:28px 0 14px}.markdown-content h3{font-size:20px;line-height:1.5;margin:24px 0 12px}.markdown-content p{margin-bottom:16px}.markdown-content ul,.markdown-content ol{margin:16px 0;padding-left:32px}.markdown-content li{margin-bottom:8px}.lesson-footer{margin-top:48px;padding-top:32px;border-top:2px solid #f0f0f0;text-align:center}.button-group{display:flex;gap:16px;justify-content:center;margin:32px 0;flex-wrap:wrap}.button-group .btn{min-width:200px}@media (max-width: 768px){.button-group{flex-direction:column}.button-group .btn{width:100%}}.markdown-content a{color:#9c27b0;text-decoration:underline;transition:all .2s ease}.markdown-content a:hover{color:#7b1fa2;text-decoration:none}.markdown-content a:visited{color:#7b1fa2}.note-block.note-info{background:#e3f2fd;border-color:#2196f3}.note-block.note-warning{background:#fff3e0;border-color:#ff9800}.note-block.note-success{background:#e8f5e9;border-color:#4caf50}.note-block.note-tip{background:#f3e5f5;border-color:#9c27b0}.note-title{font-weight:600;margin-bottom:12px;font-size:18px}.note-content{line-height:1.6}.markdown-content{counter-reset:list-counter}.markdown-content ol{list-style:none;padding-left:30px}.markdown-content ol li{counter-increment:list-counter;position:relative;margin-bottom:12px}.markdown-content ol li:before{content:counter(list-counter) ". ";position:absolute;left:-25px;font-weight:600;color:#666}.markdown-content ul{padding-left:30px;list-style-type:disc}.markdown-content ul li{margin-bottom:8px}.markdown-content code{background:#f0f0f0;padding:2px 6px;border-radius:4px;font-family:monospace;font-size:14px;color:#d63384}@media (max-width: 768px){.navigation-block{flex-direction:column}.navigation-block .btn:first-child{order:2}.navigation-block .btn:last-child{order:1}.navigation-block .btn{width:100%}}.course-menu-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease}.course-menu{background:#fff;border-radius:16px;width:90%;max-width:600px;max-height:80vh;overflow:hidden;display:flex;flex-direction:column;animation:slideUp .3s ease}.course-menu-header{display:flex;justify-content:space-between;align-items:center;padding:24px;border-bottom:1px solid #e0e0e0}.course-menu-header h2{margin:0}.close-button{background:none;border:none;font-size:24px;cursor:pointer;color:#666;padding:0;width:32px;height:32px}.course-menu-list{flex:1;overflow-y:auto;padding:16px}.lesson-item{display:flex;align-items:center;width:100%;padding:16px;margin-bottom:8px;background:#f5f5f5;border:2px solid transparent;border-radius:12px;cursor:pointer;transition:all .3s ease;text-align:left}.lesson-item:hover:not(.locked){background:#8bc34a20;border-color:#8bc34a}.lesson-item.current{background:#9c27b020;border-color:#9c27b0}.lesson-item.completed{background:#4caf5010;border-color:#4caf50}.lesson-item.locked{opacity:.5;cursor:not-allowed}.lesson-number{display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;background:#fff;border-radius:50%;margin-right:16px;font-weight:600;color:#8bc34a}.lesson-item.completed .lesson-number{background:#4caf50;color:#fff}.lesson-title{flex:1;font-weight:500}.lesson-duration{color:#999;font-size:14px;margin-left:auto;margin-right:8px}.lock-icon{margin-left:8px}.navigation-block{display:flex;justify-content:center;gap:16px;margin:40px 0;padding:24px 0;border-top:2px solid #f0f0f0}.note-block{padding:20px 24px;border-radius:12px;margin:24px 0;border-left:4px solid}.note-block.note-info{background:#2196f310;border-color:#2196f3}.note-block.note-warning{background:#ff980010;border-color:#ff9800}.note-block.note-success{background:#4caf5010;border-color:#4caf50}.note-block.note-tip{background:#8bc34a10;border-color:#8bc34a}.note-title{font-weight:600;margin-bottom:8px}@media (max-width: 768px){.lesson-viewer{padding:16px}.quiz-block{padding:20px}.navigation-block{flex-direction:column}.btn{width:100%}}.error-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#f5f5f5,#e0e0e0)}.error-container{background:#fff;padding:48px;border-radius:16px;box-shadow:0 8px 24px #0000001a;max-width:600px;text-align:center}.error-message{color:#666;font-size:18px;margin:16px 0 32px}.error-hint{color:#999;margin-bottom:16px}.error-examples{display:flex;gap:16px;justify-content:center;align-items:center;margin:16px 0;flex-wrap:wrap}.error-examples code{background:#f5f5f5;padding:8px 16px;border-radius:8px;color:#9c27b0;font-family:monospace}.error-example-url{margin-top:24px;padding-top:24px;border-top:1px solid #e0e0e0;color:#666;font-size:14px}.course-page{min-height:100vh;background:linear-gradient(to bottom,#fff,#f8f9fa)}.course-header{background:#fff;box-shadow:0 2px 8px #0000001a;position:sticky;top:0;z-index:100}.course-header-content{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;max-width:800px;margin:0 auto}.course-logo img{height:40ностях}.course-progress-wrapper{flex:1;max-width:400px;margin:0 24px}.progress-container{width:100%}.progress-bar{width:100%;height:8px;background:#e0e0e0;border-radius:50px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#8bc34a,#aed581);transition:width .5s ease}.progress-label{text-align:center;margin-top:4px;font-size:12px;color:#666}.menu-toggle{background:#fff;border:0px solid #e0e0e0;border-radius:12px;padding:10px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;width:65px;height:30px}.menu-toggle:hover{background:#8bc34a;border-color:#8bc34a;transform:scale(1.05)}.menu-toggle:hover .menu-icon,.menu-toggle:hover .menu-icon:before,.menu-toggle:hover .menu-icon:after{background:#fff}.menu-toggle:active{transform:scale(.95)}.menu-icon{display:block;width:20px;height:2px;background:#333;position:relative;transition:all .3s ease}.menu-icon:before,.menu-icon:after{content:"";position:absolute;width:20px;height:2px;background:#333;transition:all .3s ease}.menu-icon:before{top:-6px}.menu-icon:after{top:6px}.menu-toggle.active .menu-icon{background:transparent}.menu-toggle.active .menu-icon:before{top:0;transform:rotate(45deg)}.menu-toggle.active .menu-icon:after{top:0;transform:rotate(-45deg)}.course-main{padding:40px 0}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:20px}.spinner{width:50px;height:50px;border:4px solid #f3f4f6;border-top:4px solid #8B5CF6;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-warning{background:linear-gradient(135deg,#fef3c7,#fde68a);border:2px solid #f59e0b;border-radius:12px;padding:16px 20px;margin-bottom:20px;display:flex;align-items:center;gap:12px;animation:slideDown .3s ease}@keyframes slideDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.auth-warning span{font-size:24px;flex-shrink:0}.auth-warning p{margin:0;font-size:14px;color:#92400e;font-weight:500}.progress-bar{width:100%;height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden;margin:15px 0 10px}.progress-fill{height:100%;background:linear-gradient(135deg,#8b5cf6,#a855f7);transition:width .3s ease}.progress-text{font-size:14px;color:#6b7280;text-align:center;margin:0}.phone-auth-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px;animation:fadeIn .3s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.phone-auth-overlay .phone-auth-modal{background:#fff;border-radius:20px;box-shadow:0 10px 30px #0003;max-width:440px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.phone-auth-overlay .close-btn{position:absolute;top:20px;right:20px;background:#f3f4f6;border:none;width:32px;height:32px;border-radius:50%;font-size:18px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;color:#6b7280;z-index:10}.phone-auth-overlay .close-btn:hover{background:#e5e7eb;transform:rotate(90deg)}.phone-auth-overlay .auth-screen{padding:40px 30px 30px;text-align:center}.phone-auth-overlay .auth-logo{width:200px;height:auto;margin:0 auto 30px;display:block}.phone-auth-overlay .auth-screen h1{font-size:24px;font-weight:600;margin-bottom:10px;color:#1f2937}.phone-auth-overlay .subtitle{font-size:16px;color:#6b7280;margin-bottom:30px;line-height:1.4}.phone-auth-overlay .form-group{margin-bottom:20px;text-align:left}.phone-auth-overlay .form-group label{display:block;font-size:14px;font-weight:500;color:#374151;margin-bottom:8px}.phone-auth-overlay .form-group input{width:100%;padding:16px;border:2px solid #e5e7eb;border-radius:12px;font-size:16px;transition:all .3s ease;background:#fff;box-sizing:border-box;color:#1f2937;font-weight:500}.phone-auth-overlay .form-group input::placeholder{color:#9ca3af;font-weight:400}.phone-auth-overlay .form-group input:-webkit-autofill,.phone-auth-overlay .form-group input:-webkit-autofill:hover,.phone-auth-overlay .form-group input:-webkit-autofill:focus{-webkit-text-fill-color:#1f2937;-webkit-box-shadow:0 0 0px 1000px #fff inset;transition:background-color 5000s ease-in-out 0s}.phone-auth-overlay .form-group input:focus{outline:none;border-color:#8b5cf6;box-shadow:0 0 0 3px #8b5cf61a}.phone-auth-overlay .form-group input.error{border-color:#ef4444;box-shadow:0 0 0 3px #ef44441a}.phone-auth-overlay .code-input{font-size:24px!important;text-align:center;letter-spacing:8px;font-weight:600;color:#1f2937!important}.phone-auth-overlay .checkbox-group{margin:20px 0;opacity:0;max-height:0;overflow:hidden;transition:all .5s ease}.phone-auth-overlay .checkbox-group.show{opacity:1;max-height:200px}.phone-auth-overlay .checkbox-item{display:flex;align-items:flex-start;margin-bottom:15px;text-align:left;cursor:pointer;position:relative;padding-left:36px}.phone-auth-overlay .checkbox-item input[type=checkbox]{position:absolute;opacity:0;cursor:pointer;left:0;top:2px;width:20px;height:20px;margin:0}.phone-auth-overlay .checkbox-item:before{content:"";position:absolute;left:0;top:2px;width:20px;height:20px;border:2px solid #d1d5db;border-radius:6px;background:#fff;transition:all .3s ease;box-sizing:border-box}.phone-auth-overlay .checkbox-item:after{content:"";position:absolute;left:7px;top:6px;width:6px;height:11px;border:solid white;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);transition:transform .2s ease;opacity:0}.phone-auth-overlay .checkbox-item:has(input[type=checkbox]:checked):before{background:linear-gradient(135deg,#8b5cf6,#a855f7);border-color:#8b5cf6}.phone-auth-overlay .checkbox-item:has(input[type=checkbox]:checked):after{transform:rotate(45deg) scale(1);opacity:1}.phone-auth-overlay .checkbox-item input[type=checkbox]:checked~*:before{background:linear-gradient(135deg,#8b5cf6,#a855f7);border-color:#8b5cf6}.phone-auth-overlay .checkbox-item:hover:before{border-color:#8b5cf6;box-shadow:0 0 0 2px #8b5cf61a}.phone-auth-overlay .checkbox-item input[type=checkbox]:focus+span{outline:none}.phone-auth-overlay .checkbox-item input[type=checkbox]:focus~*:before,.phone-auth-overlay .checkbox-item:has(input[type=checkbox]:focus):before{box-shadow:0 0 0 3px #8b5cf633;border-color:#8b5cf6}.phone-auth-overlay .checkbox-item span{font-size:14px;color:#4b5563;line-height:1.5;flex:1}@keyframes checkmark{0%{transform:rotate(45deg) scale(0);opacity:0}50%{transform:rotate(45deg) scale(1.1);opacity:1}to{transform:rotate(45deg) scale(1);opacity:1}}.phone-auth-overlay .checkbox-item:has(input[type=checkbox]:checked):after{animation:checkmark .3s ease forwards}.phone-auth-overlay .checkbox-item span{font-size:14px;color:#4b5563;line-height:1.4;flex:1;padding-left:0}@keyframes checkmark{0%{transform:rotate(45deg) scale(0)}50%{transform:rotate(45deg) scale(1.1)}to{transform:rotate(45deg) scale(1)}}.phone-auth-overlay .checkbox-item input[type=checkbox]:checked:after{animation:checkmark .3s ease}.phone-auth-overlay .btn{width:100%;padding:16px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-bottom:10px}.phone-auth-overlay .btn-primary{background:linear-gradient(135deg,#8b5cf6,#a855f7);color:#fff}.phone-auth-overlay .btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px 15px #8b5cf666}.phone-auth-overlay .btn-primary:disabled{background:#d1d5db;cursor:not-allowed;transform:none;box-shadow:none}.phone-auth-overlay .btn-secondary{background:#f3f4f6;color:#6b7280;border:1px solid #e5e7eb}.phone-auth-overlay .btn-secondary:hover:not(:disabled){background:#e5e7eb}.phone-auth-overlay .btn-secondary:disabled{opacity:.5;cursor:not-allowed}.phone-auth-overlay .error-message{color:#ef4444;font-size:14px;margin-top:8px}.phone-auth-overlay .success-message{color:#10b981;font-size:14px;margin-top:8px}.phone-auth-overlay .timer{font-size:18px;font-weight:600;color:#8b5cf6;margin:20px 0}.phone-auth-overlay .resend-info{font-size:14px;color:#6b7280;margin:20px 0}.phone-auth-overlay .success-icon{width:80px;height:80px;margin:30px auto;background:linear-gradient(135deg,#10b981,#059669);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px;color:#fff;animation:scaleIn .5s ease}@keyframes scaleIn{0%{transform:scale(0)}to{transform:scale(1)}}@media (max-width: 480px){.phone-auth-overlay .phone-auth-modal{max-width:100%;border-radius:20px 20px 0 0;max-height:95vh}.phone-auth-overlay .auth-screen{padding:30px 20px}.phone-auth-overlay .auth-logo{width:150px}.phone-auth-overlay .auth-screen h1{font-size:20px}.phone-auth-overlay .checkbox-item{padding-left:32px}.phone-auth-overlay .checkbox-item:before{width:18px;height:18px}.phone-auth-overlay .checkbox-item:after{left:6px;top:4px;width:5px;height:9px}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;min-height:100vh}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;color:#333;background:#f5f5f5;overflow-x:hidden}.app{width:100%;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 10px}:root{--synergetic-green: #8BC34A;--synergetic-green-light: #AED581;--synergetic-green-dark: #689F38;--synergetic-purple: #9C27B0;--synergetic-purple-light: #BA68C8;--synergetic-purple-dark: #7B1FA2;--color-primary: var(--synergetic-purple);--color-secondary: var(--synergetic-green);--color-success: #4CAF50;--color-error: #F44336;--color-warning: #FF9800;--color-info: #2196F3;--text-primary: #333333;--text-secondary: #666666;--text-light: #999999;--bg-white: #FFFFFF;--bg-light: #F5F5F5;--border-radius: 16px;--border-radius-small: 8px;--border-radius-large: 24px;--border-radius-pill: 50px;--shadow-small: 0 2px 4px rgba(0, 0, 0, .1);--shadow-medium: 0 4px 12px rgba(0, 0, 0, .15);--shadow-large: 0 8px 24px rgba(0, 0, 0, .2)}.btn{display:inline-block;padding:12px 32px;font-size:16px;font-weight:600;text-align:center;border:none;border-radius:var(--border-radius-pill);cursor:pointer;transition:all .3s ease}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-medium)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--synergetic-purple),var(--synergetic-purple-dark));color:#fff}.btn-secondary{background:linear-gradient(135deg,var(--synergetic-green),var(--synergetic-green-dark));color:#fff}
