@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";.header{background:#131829cc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(123,47,247,.2);padding:20px 0;position:sticky;top:0;z-index:1000;overflow:visible}.header-content{display:flex;justify-content:space-between;align-items:center;overflow:visible;position:relative}.logo{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800;transition:transform .3s ease}.logo:hover{transform:scale(1.05)}.logo-icon{font-size:32px;filter:drop-shadow(0 0 10px rgba(123,47,247,.6))}.nav{display:flex;gap:32px;overflow:visible}.nav-link{position:relative;font-weight:500;font-size:16px;color:var(--text-secondary);transition:color .3s ease;padding:8px 0;display:flex;align-items:center;gap:4px}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent-gradient);transition:width .3s ease}.nav-link:hover,.nav-link.active{color:var(--text-primary)}.nav-link.active:after,.nav-link:hover:after{width:100%}.nav-link-icon{font-size:18px;line-height:1}.nav-badge{display:inline-flex;align-items:center;justify-content:center;padding:2px 8px;background:var(--accent-gradient);border-radius:12px;font-size:11px;font-weight:700;color:#fff;line-height:1;min-width:32px}.devtools-header-wrapper{position:relative;margin-left:12px;z-index:10001}.devtools-header-button{width:36px;height:36px;border-radius:8px;background:var(--bg-tertiary);border:1px solid rgba(123,47,247,.3);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.devtools-header-button:hover{background:var(--accent-primary);transform:rotate(90deg);border-color:var(--accent-primary)}.devtools-dropdown{position:fixed;top:70px;right:20px;width:180px;background:var(--bg-secondary);border:2px solid rgba(123,47,247,.3);border-radius:12px;box-shadow:0 8px 32px #00000080;z-index:99999!important;animation:slideDown .2s ease-out;overflow:visible;pointer-events:auto}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.devtools-dropdown-header{padding:12px 16px;border-bottom:1px solid rgba(123,47,247,.2)}.devtools-dropdown-header h4{margin:0;font-size:14px;font-weight:700;color:var(--text-primary)}.devtools-dropdown-btn{width:100%;padding:10px 12px;border:none;background:none;color:var(--text-primary);font-size:12px;font-weight:600;cursor:pointer;text-align:left;transition:all .2s ease;display:flex;align-items:center;gap:6px;white-space:nowrap;pointer-events:auto;position:relative;z-index:1}.devtools-dropdown-btn:hover{background:#7b2ff71a;padding-left:16px}.devtools-dropdown-btn.success{color:var(--success)}.devtools-dropdown-btn.primary{color:var(--accent-primary)}.devtools-dropdown-btn.info{color:var(--accent-secondary)}.devtools-dropdown-btn.danger{color:var(--error)}.devtools-dropdown-info{padding:8px 12px;font-size:11px;color:var(--text-secondary);border-top:1px solid rgba(123,47,247,.2);background:var(--bg-tertiary);border-radius:0 0 10px 10px;text-align:center;font-weight:600}.modal-overlay{position:fixed!important;top:0!important;left:0!important;right:0!important;bottom:0!important;background:#000c;display:flex;align-items:center;justify-content:center;z-index:999999!important;animation:fadeIn .2s ease-out;overflow-y:auto;padding:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{position:relative;background:var(--bg-secondary);border:2px solid rgba(123,47,247,.3);border-radius:16px;padding:32px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease-out;margin:auto}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.modal-content h2{margin:0 0 8px;font-size:24px}.modal-content p{color:var(--text-secondary);margin:0 0 24px}.modal-buttons{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.modal-btn{padding:14px 20px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;text-align:left}.modal-btn:hover{transform:translate(4px)}.modal-btn.success{background:var(--success);color:#fff}.modal-btn.primary{background:var(--accent-primary);color:#fff}.modal-btn.info{background:var(--accent-secondary);color:#fff}.modal-btn.danger{background:var(--error);color:#fff}.modal-info{padding:12px;background:var(--bg-tertiary);border-radius:8px;text-align:center;font-size:14px;color:var(--text-secondary);margin-bottom:20px}.modal-close{width:100%;padding:12px;background:var(--bg-tertiary);border:1px solid rgba(123,47,247,.3);border-radius:8px;color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.modal-close:hover{background:var(--bg-primary);border-color:var(--accent-primary)}@media (max-width: 768px){.header-content{flex-direction:column;gap:20px}.nav{gap:20px;flex-wrap:wrap}.modal-content{padding:24px}}.home{padding-bottom:80px}.hero{padding:120px 0 100px;position:relative;overflow:hidden}.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.hero-content{max-width:600px}.hero-title{font-size:56px;margin-bottom:24px;line-height:1.1}.hero-description{font-size:18px;color:var(--text-secondary);margin-bottom:32px;line-height:1.8}.hero-buttons{display:flex;gap:16px}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:12px;font-weight:600;font-size:16px;transition:all .3s ease}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 20px #7b2ff766}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px #7b2ff799}.btn-large{padding:18px 40px;font-size:18px}.btn-arrow{transition:transform .3s ease}.btn:hover .btn-arrow{transform:translate(4px)}.hero-visual{position:relative;height:400px}.floating-card{position:absolute;background:var(--bg-secondary);border:1px solid rgba(123,47,247,.3);border-radius:16px;padding:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0006;display:flex;flex-direction:column;align-items:center;gap:12px}.card-1{top:5%;left:5%;animation:float 6s ease-in-out infinite}.card-2{top:10%;right:5%;animation:float 5s ease-in-out infinite 1s}.card-3{bottom:5%;left:25%;animation:float 7s ease-in-out infinite 2s}.card-icon{font-size:48px;filter:drop-shadow(0 0 10px rgba(123,47,247,.6))}.card-text{font-weight:600;font-size:16px}.section-title{font-size:42px;text-align:center;margin-bottom:60px}.features{padding:80px 0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px}.feature-card{background:var(--bg-secondary);border:1px solid rgba(123,47,247,.2);border-radius:16px;padding:32px;transition:all .3s ease}.feature-card:hover{transform:translateY(-8px);border-color:var(--accent-primary);box-shadow:0 8px 32px #7b2ff74d}.feature-icon{font-size:48px;margin-bottom:16px;display:inline-block}.feature-card h3{font-size:22px;margin-bottom:12px}.feature-card p{color:var(--text-secondary);line-height:1.6}.topics{padding:80px 0;background:var(--bg-secondary)}.topics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:32px}.topic-item{padding:32px;background:var(--bg-tertiary);border-radius:16px;border-left:4px solid transparent;transition:all .3s ease}.topic-item:nth-child(1){border-left-color:#7b2ff7}.topic-item:nth-child(2){border-left-color:#00d9ff}.topic-item:nth-child(3){border-left-color:#10b981}.topic-item:nth-child(4){border-left-color:#f59e0b}.topic-item:hover{transform:translate(8px)}.topic-number{display:block;font-size:14px;font-weight:700;color:var(--accent-primary);margin-bottom:12px}.topic-item h3{font-size:24px;margin-bottom:12px}.topic-item p{color:var(--text-secondary);line-height:1.6}.cta{padding:80px 0}.cta-card{background:var(--accent-gradient);border-radius:24px;padding:80px 60px;text-align:center;box-shadow:0 20px 60px #7b2ff766}.cta-card h2{font-size:42px;margin-bottom:16px}.cta-card p{font-size:18px;margin-bottom:32px;opacity:.9}.cta-card .btn-primary{background:#fff;color:var(--accent-secondary)}.cta-card .btn-primary:hover{transform:scale(1.05)}@media (max-width: 768px){.hero .container{grid-template-columns:1fr}.hero-visual{display:none}.hero-title{font-size:36px}.section-title{font-size:32px}.features-grid,.topics-grid{grid-template-columns:1fr}.cta-card{padding:60px 40px}}.course-page{padding-bottom:80px}.course-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:24px}.loader{width:50px;height:50px;border:4px solid rgba(123,47,247,.2);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.course-hero{padding:80px 0 60px;background:var(--bg-secondary);border-bottom:1px solid rgba(123,47,247,.2)}.course-header{text-align:center;max-width:800px;margin:0 auto}.course-title{font-size:48px;margin-bottom:20px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.course-description{font-size:18px;color:var(--text-secondary);margin-bottom:40px;line-height:1.8}.course-stats{display:flex;justify-content:center;gap:60px;margin-bottom:32px}.stat{display:flex;flex-direction:column;align-items:center;gap:8px}.stat-value{font-size:36px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:14px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}.progress-bar{width:100%;height:8px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--accent-gradient);transition:width .5s ease}.completion-card{margin-top:40px;padding:40px;background:linear-gradient(135deg,#7b2ff71a,#00d9ff1a);border:2px solid var(--accent-primary);border-radius:16px;text-align:center;animation:slideIn .5s ease-out}.completion-icon{font-size:64px;margin-bottom:16px;animation:bounce 1s ease infinite}.completion-card h2{font-size:32px;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.completion-card p{font-size:16px;color:var(--text-secondary);margin-bottom:24px;line-height:1.6}.completion-card .btn{display:inline-flex}.modules-list{padding:60px 0;display:flex;flex-direction:column;gap:40px;max-width:900px;margin:0 auto}.module-card{background:var(--bg-secondary);border:1px solid rgba(123,47,247,.2);border-radius:16px;padding:32px;transition:all .3s ease}.module-card:hover{border-color:var(--accent-primary);box-shadow:0 8px 32px #7b2ff733}.module-card.locked{opacity:.6;background:#13182980;border-color:#7b2ff71a}.module-card.locked:hover{border-color:#7b2ff71a;box-shadow:none}.module-header{margin-bottom:24px}.module-number{display:inline-block;font-size:12px;font-weight:700;color:var(--accent-primary);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.module-title{font-size:28px;margin:0 0 8px}.module-description{color:var(--text-secondary);font-size:14px;margin:8px 0 0;line-height:1.6}.module-badge{display:inline-block;background:var(--success);color:#fff;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;margin-left:12px}.module-locked-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:16px;margin-bottom:20px;color:var(--error);text-align:center;font-weight:500}.lessons-list{display:flex;flex-direction:column;gap:12px}.lesson-item{display:flex;align-items:center;gap:20px;padding:20px;background:var(--bg-tertiary);border:1px solid transparent;border-radius:12px;transition:all .3s ease;cursor:pointer}.lesson-item:hover{background:#7b2ff71a;border-color:var(--accent-primary);transform:translate(8px)}.lesson-item.completed{border-color:var(--success)}.lesson-item.locked{opacity:.5;cursor:not-allowed;background:#1a1f3a4d}.lesson-item.locked:hover{transform:none;background:#1a1f3a4d;border-color:transparent}.lesson-number{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--accent-gradient);border-radius:10px;font-weight:700;font-size:18px;flex-shrink:0}.lesson-item.completed .lesson-number{background:var(--success)}.lesson-info{flex:1}.lesson-title{font-size:18px;font-weight:600;margin-bottom:4px}.lesson-meta{display:flex;gap:12px;font-size:14px;color:var(--text-secondary)}.lesson-arrow{font-size:24px;color:var(--text-secondary);transition:transform .3s ease}.lesson-item:hover .lesson-arrow{transform:translate(4px);color:var(--accent-primary)}@media (max-width: 768px){.course-title{font-size:32px}.course-stats{gap:30px}.stat-value{font-size:28px}.module-card{padding:24px}.lesson-item{padding:16px}}.lesson-page{padding-bottom:80px}.lesson-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:24px}.lesson-header{padding:40px 0;background:var(--bg-secondary);border-bottom:1px solid rgba(123,47,247,.2)}.back-button{background:transparent;color:var(--text-secondary);padding:8px 16px;border-radius:8px;font-size:14px;margin-bottom:16px;transition:all .3s ease}.back-button:hover{background:var(--bg-tertiary);color:var(--text-primary)}.lesson-title{font-size:36px;margin:0}.lesson-tabs{display:flex;gap:16px;padding:32px 0;border-bottom:1px solid rgba(123,47,247,.2);max-width:1000px;margin:0 auto}.tab{padding:12px 24px;background:transparent;color:var(--text-secondary);border-radius:8px;font-size:16px;font-weight:500;transition:all .3s ease}.tab:hover{background:var(--bg-tertiary);color:var(--text-primary)}.tab.active{background:var(--accent-gradient);color:#fff}.lesson-content{max-width:1000px;margin:0 auto;padding:40px 0}.theory-section{background:var(--bg-secondary);border-radius:16px;padding:40px}.markdown-content{font-size:16px;line-height:1.8}.markdown-content h1{font-size:32px;margin:32px 0 16px;color:var(--accent-primary)}.markdown-content h2{font-size:26px;margin:28px 0 14px}.markdown-content h3{font-size:22px;margin:24px 0 12px}.markdown-content p{margin:16px 0;color:var(--text-secondary)}.markdown-content ul,.markdown-content ol{margin:16px 0;padding-left:24px}.markdown-content li{margin:8px 0;color:var(--text-secondary)}.markdown-content strong{color:var(--text-primary);font-weight:600}.markdown-content code{background:#7b2ff726;padding:3px 8px;border-radius:4px;font-size:.9em;color:var(--accent-primary)}.markdown-content pre{background:var(--bg-tertiary);padding:20px;border-radius:8px;overflow-x:auto;margin:20px 0}.markdown-content pre code{background:none;padding:0;color:var(--text-primary)}.theory-section .btn{margin-top:32px}.practice-section{display:flex;flex-direction:column;gap:24px}.practice-description{background:var(--bg-secondary);padding:24px;border-radius:12px;border-left:4px solid var(--accent-primary)}.practice-description h3{font-size:20px;margin-bottom:12px}.practice-description p{color:var(--text-secondary);line-height:1.6}.code-editor-container{background:var(--bg-secondary);border-radius:12px;overflow:hidden;border:1px solid rgba(123,47,247,.2)}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:var(--bg-tertiary);border-bottom:1px solid rgba(123,47,247,.2)}.editor-actions{display:flex;gap:12px}.btn-small{padding:8px 16px;background:var(--bg-primary);color:var(--text-primary);border-radius:6px;font-size:14px;transition:all .3s ease}.btn-small:hover{background:var(--bg-tertiary)}.btn-small.btn-primary{background:var(--accent-gradient);color:#fff}.btn-small:disabled{opacity:.5;cursor:not-allowed}.output-container{background:var(--bg-secondary);border-radius:12px;overflow:hidden;border:1px solid rgba(123,47,247,.2)}.output-header{padding:16px 20px;background:var(--bg-tertiary);border-bottom:1px solid rgba(123,47,247,.2);font-weight:600}.output-content{padding:20px;margin:0;font-family:Monaco,Courier New,monospace;font-size:14px;line-height:1.6;white-space:pre-wrap;word-wrap:break-word;color:var(--text-secondary)}.quiz-section,.quiz-questions{display:flex;flex-direction:column;gap:32px}.quiz-question{background:var(--bg-secondary);padding:32px;border-radius:12px;border:1px solid rgba(123,47,247,.2)}.question-text{font-size:20px;margin-bottom:20px;line-height:1.5}.question-options{display:flex;flex-direction:column;gap:12px}.option{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--bg-tertiary);border:2px solid transparent;border-radius:10px;cursor:pointer;transition:all .3s ease}.option:hover{background:#7b2ff71a;border-color:var(--accent-primary)}.option.selected{border-color:var(--accent-primary);background:#7b2ff726}.option input[type=radio]{width:20px;height:20px;cursor:pointer}.option-text{flex:1;font-size:16px;line-height:1.5}.quiz-results{display:flex;flex-direction:column;gap:32px}.result-header{text-align:center;padding:48px;background:var(--bg-secondary);border-radius:16px;border:2px solid}.result-header.success{border-color:var(--success)}.result-header.error{border-color:var(--error)}.result-icon{font-size:64px;margin-bottom:16px}.result-header h2{font-size:32px;margin-bottom:12px}.result-score{font-size:20px;color:var(--text-secondary)}.result-message{font-size:16px;color:var(--error);margin-top:12px;font-weight:500}.result-details{display:flex;flex-direction:column;gap:16px}.result-item{padding:20px;background:var(--bg-secondary);border-radius:12px;border-left:4px solid}.result-item.correct{border-left-color:var(--success)}.result-item.incorrect{border-left-color:var(--error)}.result-item-header{display:flex;align-items:center;gap:12px;font-weight:600;margin-bottom:8px}.result-status{font-size:20px}.result-explanation{color:var(--text-secondary);line-height:1.6;margin-top:12px}.result-explanation strong{color:var(--text-primary)}@media (max-width: 768px){.lesson-title{font-size:28px}.theory-section{padding:24px}.markdown-content h1{font-size:26px}.code-editor-container{margin:0 -20px;border-radius:0}.quiz-question{padding:24px}.question-text{font-size:18px}}.certificate-page{min-height:calc(100vh - 80px);padding:40px 0}.certificate-form-container{display:flex;justify-content:center;align-items:center;min-height:70vh;padding:40px 20px}.certificate-form-card{background:var(--bg-secondary);border:1px solid rgba(123,47,247,.3);border-radius:24px;padding:60px;max-width:600px;width:100%;text-align:center;box-shadow:0 20px 60px #0000004d}.form-header{margin-bottom:40px}.success-icon{font-size:80px;margin-bottom:20px;animation:bounce 1s ease infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.form-header h1{font-size:32px;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.form-header p{font-size:16px;color:var(--text-secondary)}.certificate-form{display:flex;flex-direction:column;gap:24px;margin-bottom:24px}.form-group{text-align:left}.form-group label{display:block;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.form-group input{width:100%;padding:16px 20px;background:var(--bg-tertiary);border:2px solid rgba(123,47,247,.2);border-radius:12px;color:var(--text-primary);font-size:16px;transition:all .3s ease}.form-group input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #7b2ff71a}.back-link{background:transparent;color:var(--text-secondary);padding:12px;border-radius:8px;font-size:14px;transition:all .3s ease;cursor:pointer;border:none}.back-link:hover{background:var(--bg-tertiary);color:var(--text-primary)}.certificate-display{max-width:1200px;margin:0 auto;padding:0 20px}.certificate-actions{display:flex;justify-content:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.stats-panel{background:var(--bg-secondary);border:1px solid rgba(123,47,247,.3);border-radius:16px;padding:32px;margin-bottom:40px}.stats-panel h3{font-size:24px;margin-bottom:24px;text-align:center}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.stat-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px;background:var(--bg-tertiary);border-radius:12px;border:1px solid rgba(123,47,247,.2);transition:all .3s ease}.stat-card:hover{transform:translateY(-4px);border-color:var(--accent-primary);box-shadow:0 4px 20px #7b2ff733}.stat-icon{font-size:36px}.stat-value{font-size:28px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:13px;color:var(--text-secondary);text-align:center}.certificate{background:#fff;padding:60px;margin:0 auto;box-shadow:0 20px 60px #0000004d}.certificate-border{border:8px solid;border-image:linear-gradient(135deg,#7b2ff7,#00d9ff) 1;padding:40px;position:relative}.certificate-border:before,.certificate-border:after{content:"";position:absolute;width:30px;height:30px;border:4px solid}.certificate-border:before{top:20px;left:20px;border-image:linear-gradient(135deg,#7b2ff7,#00d9ff) 1;border-right:none;border-bottom:none}.certificate-border:after{bottom:20px;right:20px;border-image:linear-gradient(135deg,#7b2ff7,#00d9ff) 1;border-left:none;border-top:none}.certificate-content{text-align:center}.certificate-header{margin-bottom:40px}.certificate-logo{font-size:64px;margin-bottom:16px;filter:drop-shadow(0 4px 8px rgba(123,47,247,.3))}.certificate-title{font-size:48px;font-weight:800;background:linear-gradient(135deg,#7b2ff7,#00d9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.certificate-subtitle{font-size:18px;color:#666;text-transform:uppercase;letter-spacing:2px}.certificate-body{margin:50px 0}.certificate-text{font-size:18px;color:#666;margin:16px 0}.certificate-name{font-size:56px;font-weight:800;color:#1a1f3a;margin:24px 0;position:relative;display:inline-block}.certificate-name:after{content:"";position:absolute;bottom:-8px;left:10%;right:10%;height:3px;background:linear-gradient(135deg,#7b2ff7,#00d9ff)}.certificate-course{font-size:32px;color:#1a1f3a;margin:32px 0;font-weight:700}.certificate-details{display:flex;justify-content:center;gap:60px;margin:40px 0;padding:30px;background:linear-gradient(135deg,#7b2ff70d,#00d9ff0d);border-radius:16px}.detail-item{display:flex;flex-direction:column;align-items:center;gap:8px}.detail-label{font-size:14px;color:#666}.detail-value{font-size:32px;font-weight:800;background:linear-gradient(135deg,#7b2ff7,#00d9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.certificate-topics{margin:40px 0}.topics-title{font-size:16px;color:#666;margin-bottom:20px;font-weight:600}.topics-list{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.topic-badge{padding:8px 16px;background:linear-gradient(135deg,#7b2ff7,#00d9ff);color:#fff;border-radius:20px;font-size:13px;font-weight:600}.certificate-footer{display:flex;justify-content:space-between;align-items:flex-end;margin-top:60px;position:relative}.footer-left,.footer-right{flex:1;text-align:center}.footer-date,.footer-signature{font-size:18px;font-weight:600;color:#1a1f3a;margin-bottom:8px}.footer-line{width:200px;height:2px;background:linear-gradient(135deg,#7b2ff7,#00d9ff);margin:0 auto 8px}.footer-label{font-size:12px;color:#666;text-transform:uppercase;letter-spacing:1px}.certificate-seal{position:absolute;left:50%;transform:translate(-50%);bottom:-30px}.seal-circle{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,#7b2ff7,#00d9ff);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #7b2ff766}.seal-inner{width:100px;height:100px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;border:3px dashed #7b2ff7}.seal-icon{font-size:32px}.seal-text{font-size:12px;font-weight:700;color:#7b2ff7;margin-top:4px}.certificate-id{margin-top:40px;font-size:12px;color:#999;font-family:monospace}@media print{.no-print{display:none!important}.certificate-page{padding:0}.certificate{box-shadow:none;margin:0;padding:40px}body{background:#fff}}@media (max-width: 768px){.certificate-form-card{padding:40px 30px}.form-header h1{font-size:24px}.success-icon{font-size:60px}.certificate{padding:30px 20px}.certificate-border{padding:20px}.certificate-title{font-size:32px}.certificate-name{font-size:36px}.certificate-course{font-size:24px}.certificate-details{flex-direction:column;gap:20px}.topics-list{gap:8px}.certificate-footer{flex-direction:column;gap:40px;align-items:center}.certificate-seal{position:static;transform:none;margin:20px 0}}.achievements-page{padding-bottom:80px}.achievements-hero{padding:80px 0 60px;background:var(--bg-secondary);border-bottom:1px solid rgba(123,47,247,.2)}.achievements-header-page{text-align:center;max-width:900px;margin:0 auto}.page-title{font-size:56px;margin-bottom:20px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-description{font-size:18px;color:var(--text-secondary);margin-bottom:40px;line-height:1.8}.achievements-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-bottom:32px}.stat-box{display:flex;align-items:center;gap:20px;padding:24px;background:var(--bg-tertiary);border-radius:16px;border:1px solid rgba(123,47,247,.2);transition:all .3s ease}.stat-box:hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:0 8px 24px #7b2ff733}.stat-icon-large{font-size:48px;flex-shrink:0}.stat-info{display:flex;flex-direction:column;gap:4px}.stat-number{font-size:32px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-text{font-size:14px;color:var(--text-secondary)}.progress-bar-full{width:100%;height:12px;background:var(--bg-tertiary);border-radius:6px;overflow:hidden}.progress-fill-full{height:100%;background:var(--accent-gradient);transition:width .8s ease}.achievements-content-page{padding:60px 0}.achievements-grid-page{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.achievement-card-page{position:relative;padding:32px;background:var(--bg-secondary);border:2px solid rgba(123,47,247,.2);border-radius:16px;text-align:center;transition:all .3s ease;display:flex;flex-direction:column;align-items:center}.achievement-card-page.earned{border-color:var(--accent-primary);background:linear-gradient(135deg,#7b2ff71a,#00d9ff1a)}.achievement-card-page.locked{opacity:.6;filter:grayscale(.8)}.achievement-card-page:hover{transform:translateY(-8px);box-shadow:0 12px 32px #7b2ff74d}.achievement-card-page.earned:hover{box-shadow:0 12px 32px #00d9ff66}.achievement-icon-page{font-size:72px;margin-bottom:16px;filter:drop-shadow(0 4px 8px rgba(123,47,247,.3))}.achievement-title-page{font-size:22px;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.achievement-description-page{font-size:15px;color:var(--text-secondary);line-height:1.6;margin:0}.achievement-checkmark-page{position:absolute;top:16px;right:16px;width:36px;height:36px;background:var(--success);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:20px;box-shadow:0 4px 12px #10b98166}.achievement-lock-page{position:absolute;top:16px;right:16px;font-size:24px;opacity:.5}.no-achievements,.all-achievements{text-align:center;padding:80px 40px;margin-top:40px;background:var(--bg-secondary);border-radius:24px;border:2px dashed rgba(123,47,247,.3)}.no-achievements-icon,.all-achievements-icon{font-size:80px;margin-bottom:24px}.no-achievements h2,.all-achievements h2{font-size:32px;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.no-achievements p,.all-achievements p{font-size:16px;color:var(--text-secondary)}.all-achievements{border-color:var(--success);background:linear-gradient(135deg,#10b9811a,#00d9ff1a)}.achievement-notification{position:fixed;right:30px;bottom:30px;background:var(--bg-secondary);border:2px solid var(--accent-primary);border-radius:16px;padding:20px;box-shadow:0 8px 32px #0000004d;animation:slideInRight .5s ease-out,fadeOut .5s ease-out 4.5s;z-index:1000;min-width:320px;max-width:400px}@keyframes slideInRight{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}.achievement-notification-content{display:flex;align-items:center;gap:16px}.achievement-notification-icon{font-size:56px;flex-shrink:0}.achievement-notification-text{flex:1}.achievement-notification-text strong{display:block;font-size:14px;color:var(--accent-primary);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.achievement-notification-text p{font-size:18px;font-weight:600;margin:0}@media (max-width: 768px){.page-title{font-size:36px}.achievements-stats,.achievements-grid-page{grid-template-columns:1fr}.achievement-notification{right:20px;bottom:20px;min-width:auto;max-width:calc(100vw - 40px)}.no-achievements,.all-achievements{padding:60px 20px}}.app{min-height:100vh;position:relative}.app:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 20%,rgba(123,47,247,.15) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(0,217,255,.15) 0%,transparent 50%);pointer-events:none;z-index:-1}.app>*{position:relative;z-index:auto}:root{--bg-primary: #0a0e27;--bg-secondary: #131829;--bg-tertiary: #1a1f3a;--accent-primary: #00d9ff;--accent-secondary: #7b2ff7;--accent-gradient: linear-gradient(135deg, #7b2ff7 0%, #00d9ff 100%);--text-primary: #ffffff;--text-secondary: #a0aec0;--success: #10b981;--error: #ef4444;--warning: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 20px;overflow:visible}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;outline:none}code{font-family:Monaco,Courier New,monospace;background:#7b2ff71a;padding:2px 6px;border-radius:4px;font-size:.9em}pre{background:var(--bg-tertiary);padding:16px;border-radius:8px;overflow-x:auto;margin:16px 0}pre code{background:none;padding:0}.gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glow{box-shadow:0 0 20px #7b2ff766}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-slide-in{animation:slideIn .5s ease-out}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent-secondary);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}