@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";.header{z-index:100;width:100%;max-width:100vw;padding:16px 0;position:sticky;top:0;overflow-x:hidden}.header-container{justify-content:space-between;align-items:center;gap:2rem;display:flex}.logo{color:var(--text-primary);align-items:center;gap:12px;display:flex}.logo-img{object-fit:contain;width:auto;height:48px}.nav-links{gap:1.5rem;display:flex}.nav-link{color:var(--text-secondary);transition:color var(--transition-speed);font-weight:500}.nav-link:hover{color:var(--accent-color)}.auth-actions{align-items:center;display:flex}.user-menu{align-items:center;gap:16px;display:flex}.user-name{color:var(--text-secondary);align-items:center;gap:6px;font-weight:500;display:flex}.logout-btn{padding:8px 16px;font-size:.9rem}.mobile-menu-toggle{color:var(--text-primary);z-index:1001;cursor:pointer;background:0 0;border:none;display:none}.desktop-actions{align-items:center;gap:2rem;display:flex}.desktop-actions .logout-btn{background:var(--accent-color);color:#fff;border:none;border-radius:99px;padding:8px 20px;font-size:.9rem;font-weight:600}.desktop-actions .logout-btn:hover{background:var(--accent-hover)!important;color:#fff!important}@media (width>=992px){.header-nav{display:none!important}}@media (width<=991px){.desktop-actions{display:none}.header-container{padding:0 16px}.mobile-menu-toggle{display:block}.header-nav{visibility:hidden;border-left:1px solid #ffffff0d;flex-direction:column;align-items:flex-start;gap:3rem;width:min(100%,320px);height:100vh;padding:100px 30px;transition:transform .4s cubic-bezier(.16,1,.3,1);position:fixed;top:0;right:0;transform:translate(101%);box-shadow:-20px 0 50px #00000080;z-index:10000!important;background:#0f172a!important;display:flex!important}.header-nav.open{transform:translate(0);visibility:visible!important}.nav-links{flex-direction:column;gap:24px;width:100%;visibility:visible!important;opacity:1!important;display:flex!important}.nav-link{letter-spacing:.5px;border-bottom:1px solid #ffffff1a;width:100%;padding:16px 0;transition:all .3s;color:#fff!important;visibility:visible!important;opacity:1!important;font-size:1.5rem!important;font-weight:700!important;display:block!important}.nav-link:hover{padding-left:10px;color:#22d3ee!important}.auth-actions{width:100%;margin-top:auto;padding-bottom:60px;visibility:visible!important;opacity:1!important;display:flex!important}.user-menu{width:100%;visibility:visible!important;opacity:1!important;flex-direction:column!important;align-items:flex-start!important;display:flex!important}.user-name{align-items:center;gap:12px;margin-bottom:25px;color:#fff!important;visibility:visible!important;opacity:1!important;font-size:1.2rem!important;font-weight:600!important;display:flex!important}.logout-btn{justify-content:center;align-items:center;gap:10px;width:100%;background:var(--accent-color)!important;color:#fff!important;visibility:visible!important;opacity:1!important;border-radius:99px!important;padding:18px!important;font-size:1.1rem!important;font-weight:700!important;display:flex!important;box-shadow:0 8px 20px #0d94884d!important}.mobile-menu-toggle{position:relative;color:var(--text-primary)!important;z-index:10001!important;display:block!important}.header-nav.open+.mobile-menu-toggle{color:#fff!important}.header-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:9999;background:#00000080;width:100%;height:100vh;position:fixed;top:0;left:0}}.footer{color:#fff;background-color:#0f172a;margin-top:0;padding:60px 0}.footer-container{text-align:center;flex-direction:column;align-items:center;gap:24px;display:flex}.footer-logo{object-fit:contain;height:60px}.footer-brand{flex-direction:column;align-items:center;gap:8px;display:flex}.footer-brand p{color:#94a3b8;font-size:1.1rem;font-weight:500}.footer-links p{color:#64748b;font-size:.9rem}.whatsapp-float{color:#fff;text-align:center;z-index:9999;background-color:#25d366;border-radius:50px;justify-content:center;align-items:center;width:60px;height:60px;font-size:30px;text-decoration:none;transition:all .3s;display:flex;position:fixed;bottom:30px;right:30px;box-shadow:0 4px 15px #0003}.whatsapp-float:hover{background-color:#128c7e;transform:scale(1.1)rotate(5deg);box-shadow:0 6px 20px #0000004d}.whatsapp-float:hover .whatsapp-tooltip{opacity:1;visibility:visible;transform:translate(-10px)}.whatsapp-tooltip{color:#fff;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;background-color:#075e54;border-radius:8px;padding:8px 15px;font-size:14px;font-weight:600;transition:all .3s;position:absolute;right:70px}.whatsapp-tooltip:after{content:"";border:5px solid #0000;border-left-color:#075e54;margin-top:-5px;position:absolute;top:50%;right:-5px}@keyframes pulse-whatsapp{0%{transform:scale(1);box-shadow:0 0 #25d366b3}70%{transform:scale(1.05);box-shadow:0 0 0 15px #25d36600}to{transform:scale(1);box-shadow:0 0 #25d36600}}.whatsapp-float{animation:2s infinite pulse-whatsapp}@media (width<=768px){.whatsapp-float{width:50px;height:50px;bottom:20px;right:20px}.whatsapp-tooltip{display:none}}.landing-page{width:100%}.dark-hero{color:#fff;background-color:#0f172a;padding:100px 0;position:relative;overflow:hidden}.dark-hero:after{content:"";z-index:1;background:radial-gradient(circle at 80% 20%,#0d948833 0%,#0000 50%);width:100%;height:100%;position:absolute;top:0;left:0}.hero-container{z-index:2;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:60px;display:flex;position:relative}.hero-content{flex:1;max-width:600px}.hero-title{font-size:var(--fs-h1);letter-spacing:-.02em;margin-bottom:24px;font-weight:800;line-height:1.1}.highlight{color:var(--accent-color);background:linear-gradient(90deg,#0d9488,#fbbf24);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-subtitle{font-size:var(--fs-body);color:#94a3b8;max-width:500px;margin-bottom:40px}.hero-image-wrapper{flex:1;justify-content:center;align-items:center;display:flex}.hero-floating-card{background:#0f172a;border:1px solid #ffffff1a;border-radius:20px;width:100%;max-width:360px;padding:30px;box-shadow:0 25px 50px -12px #00000080;color:#fff!important}.hero-floating-card *{color:#fff!important}.badge-teal{background:var(--accent-color);color:#fff;border-radius:20px;margin-bottom:20px;padding:4px 12px;font-size:.8rem;font-weight:600;display:inline-block}.card-stats{justify-content:space-between;display:flex}.stat-item{flex-direction:column;display:flex}.stat-num{font-size:1.5rem;font-weight:700;color:#fff!important}.stat-label{font-size:.85rem;color:#ffffffb3!important}.featured-courses{border-top:1px solid var(--border-color);background:linear-gradient(135deg,#f0f9ff,#e0f2fe,#f0fdf4);padding:100px 0;position:relative;overflow:hidden}.featured-courses:before{content:"";pointer-events:none;background:radial-gradient(circle at 10% 20%,#0d94880d 0%,#0000 40%),radial-gradient(circle at 90% 80%,#3b82f60d 0%,#0000 40%);width:100%;height:100%;animation:10s ease-in-out infinite alternate aura-glow;position:absolute;top:0;left:0}@keyframes aura-glow{0%{opacity:.5;transform:scale(1)}to{opacity:1;transform:scale(1.1)}}@keyframes mesh-gradient{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.section-header{cursor:pointer;border:1px solid #ffffff0d;border-radius:20px;justify-content:space-between;align-items:center;margin-bottom:50px;padding:24px 40px;text-decoration:none;transition:all .3s;display:flex;box-shadow:0 10px 30px #0003;background:#0f172a!important}.section-header:hover{filter:brightness(1.1);transform:translateY(-3px);box-shadow:0 15px 40px #0000004d}.section-header:hover .view-all-link{color:#0f172a;background:#fff}.section-header h2{font-size:var(--fs-h2);background:linear-gradient(90deg,#22d3ee,#60a5fa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-weight:800;display:inline-block}.view-all-link{color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:99px;align-items:center;gap:8px;padding:10px 24px;font-weight:700;transition:all .3s;display:flex}.view-all-link:hover{color:#0f172a;background:#fff;transform:translateY(-2px);box-shadow:0 5px 15px #0003}.no-courses{color:#94a3b8;text-align:center;background:#ffffff08;border:1px dashed #ffffff1a;border-radius:20px;grid-column:1/-1;padding:60px}.featured-courses .portfolio-card{border:1px solid var(--border-color)!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:#fff!important;box-shadow:0 4px 12px #0000000d!important}.featured-courses .portfolio-title{color:var(--text-primary)!important;font-weight:600!important}.featured-courses .portfolio-footer{border-top:1px solid var(--border-color)!important}.featured-courses .portfolio-btn{border:none;box-shadow:0 4px 12px #0d948826;background:var(--accent-color)!important;color:#fff!important}.featured-courses .portfolio-btn:hover{transform:translateY(-2px);box-shadow:0 6px 15px #0d948833;background:var(--accent-hover)!important}@media (width<=1024px){.hero-container{text-align:center;flex-direction:column;justify-content:center;gap:40px}.hero-content{flex-direction:column;align-items:center;max-width:100%;display:flex}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-floating-card{width:min(360px,100vw - 40px);max-width:100%;margin:0 auto}}@media (width<=768px){.dark-hero{padding:60px 0}.hero-container{gap:40px}}.confirm-modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;background:#0009;justify-content:center;align-items:center;width:100%;height:100vh;padding:20px;display:flex;position:fixed;top:0;left:0}.confirm-modal-content{text-align:center;border:1px solid #ffffff1a;width:100%;max-width:450px;padding:40px;box-shadow:0 25px 50px -12px #00000080;background:#0f172a!important}.confirm-modal-title{color:#fff;margin-bottom:16px;font-size:1.5rem;font-weight:700}.confirm-modal-message{color:#94a3b8;margin-bottom:32px;font-size:1rem;line-height:1.6}.confirm-modal-actions{justify-content:center;gap:16px;display:flex}.confirm-modal-actions .btn{min-width:140px}.confirm-modal-actions .btn-secondary{background:#ffffff0d;border:1px solid #ffffff1a;color:#fff!important}.confirm-modal-actions .btn-secondary:hover{background:#ffffff1a;transform:translateY(-2px)}.btn-danger{color:#fff;background:#ef4444}.btn-danger:hover{background:#dc2626;transform:translateY(-2px);box-shadow:0 4px 12px #ef44444d}.admin-login-container{justify-content:center;align-items:center;min-height:calc(100vh - 200px);display:flex}.login-form{flex-direction:column;gap:20px;width:100%;max-width:400px;padding:40px;display:flex}.login-form h2{text-align:center;margin-bottom:10px}.error-message{color:var(--danger-color);text-align:center;background-color:#ef44441a;border-radius:4px;padding:10px;font-size:.9rem}.success-message{color:#10b981;text-align:center;background-color:#10b9811a;border-radius:4px;padding:10px;font-size:.9rem}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:var(--text-secondary);font-size:.9rem}.form-group input,.form-group textarea{background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:8px;padding:12px;font-family:inherit;font-size:1rem}.form-group input[type=file]{border:1px dashed var(--border-color);cursor:pointer;background-color:#0000;padding:8px}.form-group input[type=file]::file-selector-button{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;border-radius:4px;margin-right:12px;padding:6px 12px}.form-group 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li{white-space:nowrap;margin-bottom:0}}.portfolio-card{height:100%}.portfolio-thumb{height:160px}.course-tag{color:#fff;text-transform:uppercase;letter-spacing:.5px;background:#0d9488e6;border-radius:4px;padding:3px 10px;font-size:10px;font-weight:700;position:absolute;top:10px;left:10px}.header-top-row{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.filter-toggle-btn{color:#fff;background:#0d9488;border-radius:8px;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;display:none}.sidebar-header-mobile{border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:10px;display:none}@media (width<=991px){.portfolio-sidebar{z-index:3000;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#1f1f2ee6;width:300px;height:100vh;transition:transform .4s cubic-bezier(.16,1,.3,1);position:fixed;top:0;left:0;transform:translate(-100%)}.portfolio-sidebar.show{transform:translate(0);box-shadow:20px 0 50px #0000004d}.sidebar-header-mobile,.filter-toggle-btn{display:flex}.portfolio-main{padding:30px 15px}.portfolio-backdrop{z-index:2999;background:#00000080;width:100vw;height:100vh;position:fixed;top:0;left:0}.portfolio-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}.portfolio-thumb{height:140px}}.portfolio-sidebar{transform:translate(-100%);box-shadow:20px 0 60px #00000080;z-index:5000!important;-webkit-backdrop-filter:blur(25px)!important;flex-shrink:none!important;background:#1f1f2ef2!important;width:min(320px,100%)!important;height:100vh!important;transition:transform .5s cubic-bezier(.16,1,.3,1)!important;position:fixed!important;top:0!important;left:0!important}.portfolio-sidebar.show{transform:translate(0)}.portfolio-main{padding:40px 0;flex:none!important;width:100%!important}.filter-toggle-btn.active-universal{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:12px;align-items:center;gap:8px;padding:12px 24px;font-weight:700;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 15px #0d94884d;display:flex!important}.filter-toggle-btn.active-universal:hover{transform:scale(1.05);box-shadow:0 6px 20px #0d948866}.sidebar-header-header{border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;margin-bottom:25px;padding-bottom:15px;display:flex}.sidebar-header-header span{color:#fff;font-size:1.1rem;font-weight:700}.close-sidebar-btn{color:#fff;background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.portfolio-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:4999;background:#0009;width:100vw;height:100vh;animation:.3s fadeIn;position:fixed;top:0;left:0}.header-top-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.header-content-container{padding-bottom:40px!important}.subtitle{color:#64748b;margin-top:10px;font-size:1.1rem}@media (width<=600px){.header-top-row{text-align:left;flex-direction:column;align-items:flex-start}.filter-toggle-btn.active-universal{justify-content:center;width:100%}.course-list-header h1{font-size:1.8rem}.portfolio-grid{grid-template-columns:1fr;padding:0 10px}.search-bar{padding:8px 12px}}.container{max-width:100%;overflow:visible}.load-more-container{justify-content:center;margin-top:50px;padding-bottom:50px;display:flex}.load-more-btn{color:#fff;cursor:pointer;background:#1f1f2e;border:1px solid #ffffff1a;border-radius:999px;padding:14px 40px;font-size:15px;font-weight:700;transition:all .3s;box-shadow:0 10px 25px #0000001a}.load-more-btn:hover{background:#2a2a3d;transform:translateY(-3px);box-shadow:0 15px 35px #0003}@media (width<=600px){.portfolio-grid{grid-template-columns:repeat(2,1fr)!important;gap:12px!important}.portfolio-card{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000000d}.portfolio-thumb{height:120px!important}.portfolio-title{line-height:1.3;padding:8px!important;font-size:13px!important}.portfolio-btn{padding:8px!important;font-size:12px!important}}.course-detail-page{min-height:80vh}.course-hero{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:60px 0 80px}.hero-split{grid-template-columns:1fr min(400px,100%);align-items:center;gap:3rem;display:grid}.category-badge{color:var(--accent-color);background-color:#3b82f61a;border-radius:4px;margin-bottom:16px;padding:6px 12px;font-size:.9rem;font-weight:600;display:inline-block}.course-info h1{font-size:var(--fs-h1);letter-spacing:-.01em;margin-bottom:1.5rem;line-height:1.1}.hero-desc{color:var(--text-secondary);margin-bottom:30px;font-size:1.15rem;line-height:1.6}.play-btn,.curriculum-btn{align-items:center;gap:10px;padding:16px 32px;font-size:1.1rem;display:flex}.actions{flex-wrap:wrap;gap:16px;display:flex}.preview-card{width:100%;overflow:hidden;transform:translateY(20px);box-shadow:0 20px 40px #0000004d}.preview-img{background-color:#000;height:220px}.preview-img img,.preview-video{object-fit:cover;width:100%;height:100%}.preview-video{background-color:#000}.preview-body{padding:24px}.preview-body h3{margin-bottom:16px;font-size:1.1rem}.preview-body ul{flex-direction:column;gap:12px;display:flex}.preview-body li{color:var(--text-secondary);font-size:.95rem}.preview-desc-text{color:var(--text-secondary);-webkit-line-clamp:5;-webkit-box-orient:vertical;margin-top:8px;font-size:.9rem;line-height:1.5;display:-webkit-box;overflow:hidden}.course-content-section{max-width:800px;margin:0;padding:60px 24px}.course-content-section h2{margin-bottom:24px;font-size:2rem}.course-content-section p{color:var(--text-secondary);white-space:pre-wrap;font-size:1.05rem}@media (width<=992px){.hero-split{grid-template-columns:1fr}.course-hero{padding:40px 0}.course-info h1{font-size:2.2rem}}@media (width<=576px){.actions{flex-direction:column}.play-btn,.curriculum-btn{justify-content:center;width:100%}}.course-stats-mini{gap:20px;margin-bottom:30px;display:flex}.stat-item{color:var(--text-secondary);align-items:center;gap:8px;font-size:.95rem;display:flex}.stat-item svg{color:var(--accent-color)}.detail-content-grid{grid-template-columns:1fr min(320px,100%);gap:3rem;padding:40px 0;display:grid}.main-content-column{max-width:800px}.about-section{margin-bottom:60px}.about-section h2{margin-bottom:20px;font-size:1.8rem}.curriculum-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:40px}.section-header-flex{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:baseline;margin-bottom:30px;padding-bottom:15px;display:flex}.curriculum-meta{color:var(--text-secondary);font-size:.9rem;font-weight:500}.module-row-preview{margin-bottom:30px}.module-row-header{align-items:center;gap:12px;margin-bottom:15px;display:flex}.module-count{color:var(--accent-color);text-transform:uppercase;letter-spacing:1px;font-size:.75rem;font-weight:700}.module-row-header h3{font-size:1.2rem;font-weight:600}.module-sessions-preview{flex-direction:column;gap:4px;padding-left:10px;display:flex}.session-row-preview{border-radius:8px;align-items:center;gap:12px;padding:12px 15px;transition:background .2s;display:flex}.session-row-preview:hover{background:#ffffff08}.session-icon{color:var(--text-secondary);opacity:.5}.session-title{color:var(--text-secondary);flex:1;font-size:.95rem}.session-time{color:#666;font-size:.85rem}.instructor-card{border-radius:12px;padding:24px}.instructor-card h4{margin-bottom:20px;font-size:1.1rem}.instructor-info{align-items:center;gap:15px;display:flex}.avatar{background:var(--accent-color);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-weight:700;display:flex}.instructor-info .name{margin-bottom:2px;font-weight:600}.instructor-info .title{color:#888;font-size:.85rem}.price-tag{color:#fff;margin-bottom:20px;font-size:2rem;font-weight:700}.benefits-list{padding:10px 0}.benefits-list li{align-items:center;gap:10px;margin-bottom:12px;display:flex;font-size:.9rem!important}.accent{color:var(--accent-color)}@media (width<=1024px){.hero-split{text-align:center;grid-template-columns:1fr;gap:3rem}.course-info{flex-direction:column;align-items:center;display:flex}.actions{justify-content:center}.detail-content-grid{grid-template-columns:1fr}}@media (width<=768px){.course-stats-mini{flex-wrap:wrap;justify-content:center;gap:1rem}.curriculum-section{padding:1.5rem}.section-header-flex{flex-direction:column;align-items:flex-start;gap:.5rem}.preview-card{margin-top:2rem;transform:none}.preview-img{height:clamp(180px,25vh,220px)}}.articulate-player{color:#eee;background-color:#1a1a1a;height:100vh;font-family:Inter,sans-serif;display:flex;overflow:hidden}.player-sidebar{z-index:100;background-color:#262626;border-right:1px solid #333;flex-direction:column;width:min(340px,100%);transition:transform .3s;display:flex}.sidebar-hidden .player-sidebar{border:none;width:0;overflow:hidden;transform:translate(-100%)}.sidebar-tabs{background-color:#1a1a1a;border-bottom:2px solid #333;display:flex}.tab-btn{color:#888;cursor:pointer;letter-spacing:1px;background:0 0;border:none;flex:1;padding:15px;font-size:11px;font-weight:700;transition:all .2s;position:relative}.tab-btn.active{color:#fff}.tab-btn.active:after{content:"";background-color:#ff8c00;width:100%;height:3px;position:absolute;bottom:-2px;left:0}.sidebar-scroller{flex:1;padding:20px 0;overflow-y:auto}.menu-tree{flex-direction:column;display:flex}.menu-section{margin-bottom:1px}.section-header{cursor:pointer;background-color:#333;align-items:center;gap:10px;padding:12px 15px;font-size:13px;font-weight:600;display:flex}.section-header:hover{background-color:#3d3d3d}.section-title-text{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.session-items{background-color:#262626}.session-nav-link{color:#bbb;cursor:pointer;border-left:3px solid #0000;justify-content:space-between;align-items:center;padding:12px 20px 12px 40px;font-size:13px;transition:all .2s;display:flex}.session-nav-link:hover{color:#fff;background-color:#333}.session-nav-link.active{color:#fff;background-color:#333;border-left-color:#ff8c00}.completion-check{color:#ff8c00}.notes-pane{text-align:center;padding:30px}.empty-notes{color:#555;flex-direction:column;align-items:center;gap:15px;display:flex}.player-stage{background-color:#1a1a1a;flex-direction:column;flex:1;display:flex;position:relative}.stage-header{background-color:#1a1a1a;border-bottom:1px solid #333;align-items:center;gap:20px;padding:15px 25px;display:flex}.stage-menu-toggle{color:#fff;cursor:pointer;background:0 0;border:none;align-items:center;display:flex}.stage-title{color:#ccc;flex:1;font-size:16px;font-weight:500}.viewport{background-color:#000;flex:1;justify-content:center;align-items:center;padding:20px;display:flex}.video-viewport-wrapper{aspect-ratio:16/9;width:100%;max-width:1100px}.articulate-video-element{background-color:#000;width:100%;height:100%}.viewport-placeholder{color:#555;flex-direction:column;align-items:center;gap:20px;display:flex}.player-controls-bar{background-color:#1a1a1a;border-top:1px solid #333;align-items:center;height:40px;padding:0 40px;display:flex}.progress-minimal{flex:1}.progress-line-bg{background-color:#333;border-radius:2px;height:4px;overflow:hidden}.progress-line-fill{background-color:#ff8c00;height:100%;transition:width .3s}.loader-container{background-color:#1a1a1a;justify-content:center;align-items:center;height:100vh;display:flex}.loader{box-sizing:border-box;border:5px solid #333;border-bottom-color:#ff8c00;border-radius:50%;width:48px;height:48px;animation:1s linear infinite rotation;display:inline-block}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width<=1024px){.articulate-player{position:relative}.player-sidebar{width:min(340px,100%);height:100%;position:absolute;top:0;left:0;transform:translate(-100%)}.sidebar-visible .player-sidebar{transform:translate(0)}}.viewport-scroller{background-color:#0d0d0d;flex:1;overflow-y:auto}.main-content-wrapper{max-width:1100px;margin:0 auto;padding:40px 20px}.lesson-content-area{background-color:#1a1a1a;border-radius:12px;margin-top:30px;padding:30px}.lesson-actions{border-bottom:1px solid #333;justify-content:flex-end;margin-bottom:25px;padding-bottom:20px;display:flex}.btn-complete{color:#ff8c00;cursor:pointer;background-color:#0000;border:1px solid #ff8c00;border-radius:30px;align-items:center;gap:10px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .3s;display:flex}.btn-complete:hover{background-color:#ff8c001a}.btn-complete.completed{color:#fff;background-color:#ff8c00}.circle-outline{border:2px solid #ff8c00;border-radius:50%;width:18px;height:18px}.text-content{color:#dfdfdf}.content-title{color:#fff;margin-bottom:20px;font-size:24px;font-weight:700}.rich-text-body p{line-height:1.7;font-size:var(--fs-body);margin-bottom:1.5rem}.no-content-msg{color:#666;font-style:italic}.content-meta-grid{grid-template-columns:1fr min(300px,100%);gap:2.5rem;display:grid}.lesson-side-actions{flex-direction:column;gap:15px;display:flex}.btn-complete-v2{color:#ff8c00;cursor:pointer;background-color:#0000;border:1px solid #ff8c00;border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:15px 20px;font-size:14px;font-weight:600;transition:all .3s;display:flex}.btn-complete-v2.completed{color:#fff;background-color:#ff8c00}.btn-pdf{color:#eee;background-color:#333;border:1px solid #444;border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:15px 20px;font-size:14px;font-weight:600;text-decoration:none;transition:background .2s;display:flex}.btn-pdf:hover{color:#fff;background-color:#444}.timestamps-block{background-color:#111;border-left:4px solid #ff8c00;border-radius:8px;margin-bottom:30px;padding:20px}.sub-title{color:#888;text-transform:uppercase;letter-spacing:1px;align-items:center;gap:8px;margin-bottom:15px;font-size:14px;display:flex}.timestamp-list{flex-direction:column;gap:10px;display:flex}.ts-btn{color:#ccc;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:15px;width:100%;padding:6px 0;font-size:15px;transition:color .2s;display:flex}.ts-btn:hover{color:#ff8c00}.ts-time{color:#ff8c00;background-color:#333;border-radius:4px;padding:2px 8px;font-family:monospace;font-size:13px;font-weight:700}.ts-label{flex:1}@media (width<=900px){.content-meta-grid{grid-template-columns:1fr}}.articulate-player{position:relative}.player-sidebar{z-index:1000;background-color:#262626;width:320px;height:100%;transition:transform .4s cubic-bezier(.16,1,.3,1);position:absolute;top:0;left:0;box-shadow:10px 0 30px #00000080}.sidebar-hidden .player-sidebar{box-shadow:none;transform:translate(-100%)}.sidebar-backdrop{z-index:999;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);cursor:pointer;background-color:#000000b3;width:100%;height:100%;animation:.3s fadeIn;position:absolute;top:0;left:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.stage-header{z-index:10;background-color:#1a1a1a;position:sticky;top:0}.stage-menu-toggle{background-color:#333;border-radius:6px;padding:8px;transition:background .2s}.stage-menu-toggle:hover{background-color:#444}.player-sidebar{z-index:2000;-webkit-backdrop-filter:blur(20px);background:#1a1a1ad9;border-right:1px solid #ffffff0d;width:min(340px,100%);height:100vh;transition:transform .5s cubic-bezier(.16,1,.3,1);position:fixed;top:0;left:0;transform:translate(-100%);box-shadow:20px 0 50px #0000004d}.sidebar-visible .player-sidebar{transform:translate(0)}.sidebar-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1999;background:#0009;width:100vw;height:100vh;animation:.4s fadeInBackground;position:fixed;top:0;left:0}@keyframes fadeInBackground{0%{opacity:0}to{opacity:1}}.stage-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#1a1a1acc;position:sticky;top:0}.stage-menu-toggle{transition:transform .2s cubic-bezier(.175,.885,.32,1.275)}.stage-menu-toggle:hover{background-color:var(--accent-color);transform:scale(1.1)}:root{--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--accent-color:#0d9488;--accent-hover:#0f766e;--danger-color:#ef4444;--success-color:#10b981;--warning-color:#fbbf24;--border-color:#0f172a1a;--glass-bg:#0f172a08;--glass-border:#0f172a0d;--font-family:"Inter", sans-serif;--transition-speed:.3s;--border-radius:12px;--btn-radius:9999px;--fs-h1:clamp(2.2rem, 5vw, 3.5rem);--fs-h2:clamp(1.8rem, 4vw, 2.8rem);--fs-h3:clamp(1.4rem, 3vw, 1.8rem);--fs-body:clamp(.95rem, 1vw + .5rem, 1.1rem)}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.6;position:relative;overflow-x:hidden}a{color:inherit;text-decoration:none}ul{list-style:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 5%}@media (width>=768px){.container{padding:0 40px}}@media (width>=1024px){.container{padding:0 60px}}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--border-radius)}.btn{border-radius:var(--btn-radius);transition:all var(--transition-speed) ease;justify-content:center;align-items:center;padding:10px 24px;font-weight:500;display:inline-flex}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.btn-secondary{background-color:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary)}.btn-secondary:hover{background-color:#ffffff1a;transform:translateY(-2px)}.fade-in{animation:.5s ease-out forwards fadeIn}.loader{border:3px solid #ffffff1a;border-top:3px solid var(--accent-color);border-radius:50%;width:40px;height:40px;margin:40px auto;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root{--portfolio-bg:#f3f4f8;--portfolio-sidebar:#1f1f2e;--portfolio-accent:var(--accent-color);--portfolio-text-dark:#1a1a2e}.portfolio-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px;display:grid}.portfolio-card{background:#fff;border:1px solid #eee;border-radius:8px;flex-direction:column;transition:transform .3s,box-shadow .3s;display:flex;overflow:hidden;box-shadow:0 4px 12px #0000000d}.portfolio-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px #0000001a}.portfolio-thumb{background:#eee;height:180px;position:relative;overflow:hidden}.portfolio-thumb img{object-fit:cover;width:100%;height:100%}.portfolio-title{text-align:center;color:var(--portfolio-text-dark);flex-grow:1;padding:15px;font-size:15px;font-weight:600}.portfolio-footer{text-align:center;border-top:1px solid #f0f0f0;padding:15px}.portfolio-btn{background:var(--portfolio-accent);color:#fff;border-radius:6px;padding:10px 20px;font-size:14px;font-weight:500;text-decoration:none;transition:background .2s;display:inline-block}.portfolio-btn:hover{background:var(--accent-hover)}