@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--primary-color: #0d6efd;--primary-hover: #0b5ed7;--secondary-color: #f8f9fa;--bg-main: #ffffff;--bg-surface: #ffffff;--bg-sidebar: #f8f9fa;--bg-navbar: #ffffff;--text-main: #212529;--text-muted: #6c757d;--text-inverse: #ffffff;--border-color: #dee2e6;--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 20px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .1);--navbar-height: 70px;--sidebar-width: 280px;--transition-speed: .3s}body.dark-theme{--primary-color: #3b82f6;--primary-hover: #60a5fa;--secondary-color: #1e293b;--bg-main: #0B1120;--bg-surface: #1e293b;--bg-sidebar: #131B2C;--bg-navbar: #0B1120;--text-main: #f1f5f9;--text-muted: #94a3b8;--text-inverse: #0B1120;--border-color: #334155;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 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900px){.learning-environment{flex-direction:column}.content-area{margin-left:0}}.header-top{display:flex;justify-content:flex-start;margin-bottom:2rem;width:100%}.btn-back-home{background:#2563eb0d;color:#2563eb;border:1px solid rgba(37,99,235,.2);padding:.6rem 1.2rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem}.btn-back-home:hover{background:#2563eb;color:#fff;transform:translate(-5px);box-shadow:0 4px 12px #2563eb33}@media (max-width: 768px){.header-top{margin-bottom:1.5rem}}.navbar-glass{position:fixed;top:0;left:0;width:100%;height:var(--navbar-height);background:var(--bg-navbar);border-bottom:1px solid var(--border-color);z-index:1000;display:flex;align-items:center;transition:all var(--transition-speed) ease}body.light-theme .navbar-glass{background:#ffffffe6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}body.dark-theme 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.2s}.theme-toggle-btn:hover{background-color:var(--border-color)}.auth-btn{padding:8px 16px;border-radius:var(--border-radius-sm);font-size:.9rem;font-weight:600;transition:all .2s ease}.auth-btn.primary{background-color:var(--primary-color);color:#fff;border:none}.auth-btn.primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.auth-btn.outline{background:transparent;color:var(--text-main);border:1px solid var(--border-color)}.auth-btn.outline:hover{background:var(--secondary-color)}@media (max-width: 900px){.menu-toggle-btn{display:flex}}@media (max-width: 600px){.navbar-container{padding:0 16px}.nav-links,.brand-tagline{display:none}}.sidebar-container{width:var(--sidebar-width);background-color:var(--bg-sidebar);height:calc(100vh - var(--navbar-height));position:fixed;left:0;top:var(--navbar-height);overflow-y:auto;border-right:1px solid var(--border-color);transition:transform var(--transition-speed) 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.menu-item:hover{background-color:#3b82f61a}.item-text{flex-grow:1}.accordion-arrow{color:var(--text-muted);transition:transform .3s ease;display:flex;align-items:center}.accordion-arrow.open{transform:rotate(90deg);color:var(--primary-color)}.submenu-wrapper{max-height:0;overflow:hidden;transition:max-height .3s ease,margin .3s ease}.submenu-wrapper.open{max-height:500px;margin-bottom:8px}.submenu-list{display:flex;flex-direction:column;padding-left:16px;margin-top:4px;border-left:2px solid var(--border-color);margin-left:12px}.submenu-item{padding:8px 16px;font-size:.9rem;color:var(--text-muted);cursor:pointer;border-radius:var(--border-radius-sm);transition:all .2s}.submenu-item:hover{color:var(--primary-hover);background-color:#0d6efd08}body.dark-theme .submenu-item:hover{background-color:#3b82f60d}@media (max-width: 900px){.sidebar-container{transform:translate(-100%);width:300px;box-shadow:var(--shadow-lg)}.sidebar-container.sidebar-open{transform:translate(0)}}.content-view{padding:40px;max-width:1000px;margin:0 auto;width:100%;animation:fadeIn .4s ease-out}.view-header{margin-bottom:32px}.view-header h1{font-size:2.25rem;font-weight:800;color:var(--text-main);margin-bottom:8px;letter-spacing:-.5px}.view-header p{font-size:1.1rem;color:var(--text-muted)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:50vh;text-align:center;color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:16px;opacity:.5}.rich-text-content{font-size:1.05rem;line-height:1.7;color:var(--text-main)}.rich-text-content h1,.rich-text-content h2,.rich-text-content h3{color:var(--text-main);margin-top:2rem;margin-bottom:1rem;font-weight:700;letter-spacing:-.5px}.rich-text-content h1{font-size:2rem}.rich-text-content h2{font-size:1.5rem;border-bottom:1px solid var(--border-color);padding-bottom:8px}.rich-text-content h3{font-size:1.25rem}.rich-text-content p{margin-bottom:1.2rem}.rich-text-content ul,.rich-text-content ol{margin-bottom:1.5rem;padding-left:1.5rem}.rich-text-content li{margin-bottom:.5rem}.code-container{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-md);margin:1.5rem 0;overflow:hidden;position:relative;box-shadow:var(--shadow-sm)}.code-block{padding:1rem 1.25rem;background-color:#282c34;color:#abb2bf;font-family:Courier New,Courier,monospace;font-size:.9rem;overflow-x:auto;line-height:1.5;margin:0}.output-box{background-color:var(--bg-sidebar);border-left:4px solid var(--primary-color);padding:1rem;margin:1.5rem 0;border-radius:0 var(--border-radius-sm) var(--border-radius-sm) 0;font-weight:500;color:var(--text-main)}.copy-btn{position:absolute;top:8px;right:8px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:4px 8px;font-size:.75rem;border-radius:4px;cursor:pointer;transition:all .2s}.copy-btn:hover{background:#fff3}.table-container{overflow-x:auto;margin:1.5rem 0;border-radius:var(--border-radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.styled-table{width:100%;border-collapse:collapse}.styled-table th{background-color:var(--bg-sidebar)!important;color:var(--text-main);font-weight:600;text-align:left;border:none!important;border-bottom:2px solid var(--border-color)!important;padding:12px 16px!important}.styled-table td{border:none!important;border-bottom:1px solid var(--border-color)!important;padding:12px 16px!important;color:var(--text-main)}.styled-table tr:last-child td{border-bottom:none!important}.filter-controls{display:flex;gap:16px;margin-bottom:32px;background:var(--bg-surface);padding:16px 20px;border-radius:var(--border-radius-md);border:1px solid var(--border-color)}.filter-group{display:flex;flex-direction:column;gap:6px}.filter-group label{font-size:.85rem;font-weight:600;color:var(--text-muted)}.filter-group select{padding:8px 12px;border-radius:var(--border-radius-sm);border:1px solid var(--border-color);background:var(--bg-main);color:var(--text-main);font-family:inherit;outline:none;min-width:150px}.filter-group select:focus{border-color:var(--primary-color)}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.video-card{background:var(--bg-surface);border-radius:var(--border-radius-md);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:transform .2s,box-shadow .2s}.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.video-wrapper{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;background:#000}.video-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.video-info{padding:16px}.video-info h3{font-size:1.1rem;color:var(--text-main);margin-bottom:8px}.video-info p{font-size:.9rem;color:var(--text-muted)}.accordion-group{display:flex;flex-direction:column;gap:16px}.accordion-card{background:var(--bg-surface);border-radius:var(--border-radius-md);border:1px solid var(--border-color);overflow:hidden}.accordion-header{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background:var(--bg-main);transition:background-color .2s}.accordion-header:hover{background-color:var(--bg-sidebar)}.accordion-header h3{margin:0;font-size:1.1rem;color:var(--text-main)}.toggle-icon{font-size:1.5rem;color:var(--primary-color);font-weight:300}.accordion-body{padding:0 20px 20px;border-top:1px solid var(--border-color)}.modern-table{width:100%;border-collapse:collapse;margin-top:16px}.modern-table th{text-align:left;padding:12px 16px;color:var(--text-muted);font-weight:600;border-bottom:2px solid var(--border-color)}.modern-table td{padding:12px 16px;border-bottom:1px solid var(--border-color);color:var(--text-main)}.modern-table tr:last-child td{border-bottom:none}.fw-500{font-weight:500}.action-link{font-size:.85rem;font-weight:600;display:inline-block}.action-link.primary{color:var(--primary-color)}.action-link.primary:hover{text-decoration:underline}.action-link.outline{color:var(--text-muted)}.action-link.outline:hover{color:var(--text-main)}.view-algorithms{max-width:1000px}.algorithm-list{display:flex;flex-direction:column;gap:32px}.algorithm-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);padding:32px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.algorithm-card:hover{box-shadow:var(--shadow-md);border-color:#0d6efd33}.algo-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;border-bottom:1px solid var(--border-color);padding-bottom:16px}.algo-header h2{font-size:1.6rem;color:var(--text-main);margin:0}.difficulty-badge{padding:6px 14px;border-radius:20px;font-size:.85rem;font-weight:600}.difficulty-badge.easy---medium{background-color:#27c93f1a;color:#27c93f;border:1px solid rgba(39,201,63,.2)}.algo-concept{margin-bottom:24px;font-size:1.05rem;line-height:1.7;color:var(--text-muted)}.algo-visualization,.algo-code,.algo-resources{margin-bottom:24px}.algo-visualization h4,.algo-code h4,.algo-resources h4{font-size:1.1rem;color:var(--primary-color);margin-bottom:12px;font-weight:700}.viz-box{background-color:var(--bg-main);border:1px dashed var(--border-color);padding:24px;border-radius:var(--border-radius-sm);color:var(--text-main);overflow-x:auto}.viz-box pre{margin:0;font-family:Courier New,Courier,monospace;font-size:1rem;line-height:1.8}.resource-links{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.resource-links .action-link{padding:10px 20px;border-radius:var(--border-radius-sm);cursor:pointer;border:1px solid transparent;transition:all .2s}.resource-links .outline{border-color:var(--border-color)}.resource-links .outline:hover{border-color:var(--text-muted)}.resource-links .primary{background-color:var(--primary-color);color:#fff}.view-projects{max-width:1000px}.projects-timeline{display:flex;flex-direction:column;gap:40px;position:relative;padding-left:20px;border-left:2px dashed var(--border-color);margin-left:20px}.project-level-block{position:relative}.level-header{display:flex;align-items:center;gap:16px;margin-bottom:8px;position:relative}.level-badge{position:absolute;left:-70px;background-color:var(--primary-color);color:#fff;padding:6px 12px;border-radius:20px;font-size:.8rem;font-weight:700;box-shadow:0 0 0 6px var(--bg-main)}.level-header h2{font-size:1.5rem;color:var(--text-main);margin:0}.level-desc{font-size:1.05rem;color:var(--text-muted);margin-bottom:24px}.project-cards-grid{display:grid;grid-template-columns:1fr;gap:24px}.project-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s}.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#0d6efd4d}.proj-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.proj-card-header h3{margin:0;font-size:1.3rem;color:var(--text-main)}.difficulty-badge.beginner{background-color:#10b9811a;color:#10b981;border:1px solid rgba(16,185,129,.2)}.difficulty-badge.intermediate{background-color:#f59e0b1a;color:#f59e0b;border:1px solid rgba(245,158,11,.2)}.difficulty-badge.advanced{background-color:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.2)}.proj-meta{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.9rem;font-weight:500;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.proj-problem h4,.proj-features h4{font-size:1.05rem;color:var(--text-main);margin-bottom:8px}.proj-problem p{color:var(--text-muted);line-height:1.6;margin-bottom:20px;font-size:.95rem}.proj-features ul{margin:0 0 24px;padding-left:20px;color:var(--text-muted);font-size:.95rem}.proj-features li{margin-bottom:6px}.proj-actions{display:flex;gap:16px}.proj-link{padding:10px 16px;border-radius:var(--border-radius-sm);text-decoration:none;text-align:center}@media (max-width: 768px){.content-view{padding:24px 16px}.filter-controls{flex-direction:column}.table-responsive{overflow-x:auto}}.algo-visualizer{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-md);margin-top:16px;overflow:hidden;box-shadow:var(--shadow-sm)}.vis-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background-color:var(--bg-sidebar);border-bottom:1px solid var(--border-color)}.vis-header h4{margin:0;color:var(--text-main);font-size:1.05rem}.vis-controls{display:flex;align-items:center;gap:12px}.btn-control{background:var(--bg-main);border:1px solid var(--border-color);color:var(--text-main);padding:6px 12px;border-radius:4px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-control:hover:not(:disabled){background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.btn-control:disabled{opacity:.4;cursor:not-allowed}.step-counter{font-size:.85rem;color:var(--text-muted);font-weight:500;min-width:80px;text-align:center}.vis-desc{padding:20px;border-bottom:1px dashed var(--border-color);background-color:#0d6efd08}.vis-desc p{margin:0;font-size:1.05rem;color:var(--primary-color);font-weight:500}body.dark-theme .vis-desc p{color:var(--primary-hover)}.vis-body{display:grid;grid-template-columns:1fr 1fr;gap:1px;background-color:var(--border-color)}.vis-state,.vis-code{background-color:var(--bg-surface);padding:20px}.vis-state h5,.vis-code h5{margin:0 0 12px;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}.state-box{background-color:var(--bg-main);border-radius:6px;padding:16px;height:calc(100% - 28px);border:1px solid var(--border-color)}.state-box pre{margin:0;font-family:Courier New,Courier,monospace;font-size:1rem;color:var(--text-main);white-space:pre-wrap;line-height:1.5}.vis-code pre{margin:0;background-color:#1e1e1e;padding:16px;border-radius:6px;height:calc(100% - 28px);overflow-x:auto}.vis-code code{color:#9cdcfe;font-family:Courier New,Courier,monospace;font-size:.95rem}.vis-footer{padding:1px;background-color:var(--bg-main)}.progress-bar{height:4px;background-color:var(--border-color);width:100%}.progress-fill{height:100%;background-color:var(--primary-color);transition:width .3s ease}@media (max-width: 768px){.vis-body{grid-template-columns:1fr}}.hero-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-main);padding:calc(var(--navbar-height, 70px) + 40px) 20px 40px;position:relative;overflow:hidden}.hero-wrapper:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(var(--border-color) 1px,transparent 1px);background-size:32px 32px;opacity:.3;z-index:0}body.dark-theme .hero-wrapper:before{opacity:.1}.hero-container{display:flex;align-items:center;gap:60px;max-width:1300px;width:100%;z-index:1}.hero-content-section{flex:1;max-width:600px;animation:slideUpFade .8s ease-out forwards}.badge{display:inline-block;padding:6px 12px;background-color:#0d6efd1a;color:var(--primary-color);font-size:.85rem;font-weight:600;border-radius:20px;margin-bottom:24px;border:1px solid rgba(13,110,253,.2)}.hero-title{font-size:3.5rem;font-weight:800;line-height:1.15;color:var(--text-main);margin-bottom:24px;letter-spacing:-1px}.text-gradient{background:linear-gradient(135deg,var(--primary-color),#0dcaf0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.hero-subtitle{font-size:1.2rem;color:var(--text-muted);line-height:1.6;margin-bottom:40px}.hero-cta-group{display:flex;gap:16px;margin-bottom:48px}.hero-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-size:1.05rem;border-radius:var(--border-radius-sm);transition:all .2s ease}.btn-outline{border:1px solid var(--border-color);background-color:transparent;color:var(--text-main);font-weight:600}.btn-outline:hover{border-color:var(--text-muted);background-color:var(--bg-surface)}.hero-stats{display:flex;gap:40px;border-top:1px solid 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auto}.bm-form-card{background-color:var(--bg-surface);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);padding:3rem;border:1px solid var(--border-color)}.form-header{text-align:center;margin-bottom:3rem}.form-header h2{font-size:1.8rem;color:var(--text-main);margin-bottom:.5rem}.form-header p{color:var(--text-muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group.full-width{grid-column:span 2}.form-group label{font-weight:600;font-size:.9rem;color:var(--text-main)}.form-group input,.form-group select,.form-group textarea{padding:12px 16px;border:2px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:1rem;background-color:var(--bg-main);color:var(--text-main);transition:all .2s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 4px #0d6efd1a}.read-only-input{background-color:var(--secondary-color)!important;color:var(--text-muted);cursor:not-allowed;font-weight:600}.bm-actions{margin-top:3rem;display:flex;flex-direction:column;gap:1rem;align-items:center}.bm-submit-btn{width:100%;padding:1rem;font-size:1.1rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius-sm);font-weight:700;cursor:pointer;transition:all .3s ease}.bm-submit-btn:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 10px 20px #0d6efd33}.bm-submit-btn:disabled{opacity:.7;cursor:not-allowed}.bm-back-btn{background:transparent;border:none;color:var(--text-muted);font-weight:500;font-size:.95rem}.bm-back-btn:hover{color:var(--primary-color);text-decoration:underline}.fade-in{animation:fadeIn .8s ease-out forwards}.delay-1{animation-delay:.3s;opacity:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.bm-hero h1{font-size:2.5rem}.pricing-tag{font-size:2rem}.form-grid{grid-template-columns:1fr}.form-group.full-width{grid-column:span 1}.bm-form-card{padding:2rem 1.5rem}}@media (max-width: 480px){.bm-hero{padding:4rem 1rem}.bm-pricing-card{flex-direction:column;gap:1rem;padding:1.5rem;width:100%;max-width:250px}.pricing-info{align-items:center;text-align:center}}.bsu-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background-color:var(--secondary-color)}.bsu-container{max-width:600px;width:100%}.bsu-card{background-color:var(--bg-surface);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);padding:3rem;text-align:center;border:1px solid var(--border-color)}.success-icon{width:80px;height:80px;background-color:#22c55e1a;color:#22c55e;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 2rem}.success-icon svg{width:48px;height:48px}.bsu-header h1{font-size:2.2rem;margin-bottom:.5rem;color:var(--text-main)}.bsu-header p{color:var(--text-muted);font-size:1.1rem;margin-bottom:2rem}.bsu-info-box{background-color:var(--bg-main);border:1px dashed var(--primary-color);padding:1.5rem;border-radius:var(--border-radius-md);margin-bottom:2.5rem;text-align:left}.bsu-info-box p{margin-bottom:.5rem;color:var(--text-main);line-height:1.5}.bsu-info-box p:last-child{margin-bottom:0}.bsu-actions{display:flex;flex-direction:column;gap:1rem}.btn-whatsapp{display:flex;align-items:center;justify-content:center;gap:.75rem;background-color:#25d366;color:#fff;padding:1rem 2rem;border-radius:var(--border-radius-sm);font-weight:700;font-size:1.1rem;text-decoration:none;transition:all .3s ease;box-shadow:0 4px 12px #25d36633}.btn-whatsapp:hover{background-color:#128c7e;transform:translateY(-2px);box-shadow:0 8px 16px #25d3664d}.btn-secondary-outline{background:transparent;border:2px solid var(--border-color);color:var(--text-muted);padding:.8rem 2rem;border-radius:var(--border-radius-sm);font-weight:600;transition:all .2s ease}.btn-secondary-outline:hover{border-color:var(--primary-color);color:var(--primary-color);background-color:#0d6efd0d}.bsu-footer{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border-color);font-size:.9rem;color:var(--text-muted)}@media (max-width: 480px){.bsu-card{padding:2rem 1.5rem}.bsu-header h1{font-size:1.8rem}}