@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap";:root{--bg-dark:#0f0f0f;--bg-card:#1f1f1f;--bg-card-hover:#2d2d2d;--bg-header:#0f0f0fd9;--yt-red:red;--yt-red-glow:#ff000059;--yt-red-hover:#f33;--yt-premium-gold:#f5a623;--text-main:#fff;--text-muted:#aaa;--text-dim:#777;--border-color:#ffffff14;--border-focus:#ff000080;--glow-shadow:0 0 25px var(--yt-red-glow);--card-shadow:0 10px 30px #00000080;--glass-bg:#1f1f1fb3;--glass-border:#ffffff0d;--font-display:"Outfit", "Inter", sans-serif;--font-body:"Inter", sans-serif;--sidebar-width:280px}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--yt-red) var(--bg-dark);margin:0;padding:0}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background-color:var(--yt-red)}body{background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.btn{font-family:var(--font-display);cursor:pointer;border:none;border-radius:50px;justify-content:center;align-items:center;gap:10px;padding:14px 28px;font-size:15px;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.25,.8,.25,1);display:inline-flex}.btn-primary{color:#fff;background:linear-gradient(135deg,red,#b30000);box-shadow:0 4px 15px #ff00004d}.btn-primary:hover{background:linear-gradient(135deg,#f33,#d60000);transform:translateY(-2px);box-shadow:0 6px 20px #ff000080,0 0 10px #f003}.btn-secondary{color:#fff;border:1px solid var(--border-color);background:#ffffff14}.btn-secondary:hover{background:#ffffff26;transform:translateY(-2px)}.btn-premium{color:#fff;background:linear-gradient(135deg,#f5a623,#d07c00);box-shadow:0 4px 15px #f5a6234d}.btn-premium:hover{background:linear-gradient(135deg,#ffb53b,#e08700);transform:translateY(-2px);box-shadow:0 6px 20px #f5a62380}.badge{text-transform:uppercase;letter-spacing:.5px;border-radius:20px;padding:5px 12px;font-size:11px;font-weight:600;display:inline-block}.badge-high{color:#ff4d4d;background:#ff4d4d26;border:1px solid #ff4d4d4d}.badge-medium{color:#f5a623;background:#f5a62326;border:1px solid #f5a6234d}.badge-low{color:#2ecc71;background:#2ecc7126;border:1px solid #2ecc714d}.demo-banner{border-bottom:1px solid var(--border-color);z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(90deg,#1f1f1f,#0f0f0f);justify-content:space-between;align-items:center;padding:10px 24px;display:flex;position:sticky;top:0}.demo-status{align-items:center;gap:8px;font-size:13px;font-weight:500;display:flex}.demo-dot{background-color:var(--yt-premium-gold);width:8px;height:8px;box-shadow:0 0 8px var(--yt-premium-gold);border-radius:50%}.demo-controls{align-items:center;gap:12px;display:flex}.toggle-switch{width:48px;height:24px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:#333;border-radius:24px;transition:all .4s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:18px;height:18px;transition:all .4s;position:absolute;bottom:3px;left:3px}input:checked+.slider{background-color:var(--yt-red)}input:checked+.slider:before{transform:translate(24px)}.app-container{flex-direction:column;min-height:calc(100vh - 45px);display:flex}.landing-hero{text-align:center;flex-direction:column;align-items:center;max-width:1200px;margin:0 auto;padding:120px 24px 80px;display:flex;position:relative}.landing-hero:before{content:"";background:var(--yt-red);filter:blur(150px);opacity:.15;z-index:-1;pointer-events:none;width:400px;height:400px;position:absolute;top:10%;left:50%;transform:translate(-50%,-50%)}.premium-tag{font-family:var(--font-display);letter-spacing:1.5px;color:var(--yt-premium-gold);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:30px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 16px;font-size:13px;font-weight:600;display:flex}.hero-title{font-family:var(--font-display);letter-spacing:-1px;max-width:900px;margin-bottom:20px;font-size:54px;font-weight:800;line-height:1.15}.hero-title span{background:linear-gradient(90deg,red,#ff7b7b);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-subtitle{color:var(--text-muted);max-width:650px;margin-bottom:40px;font-size:18px;line-height:1.6}.hero-actions{flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:60px;display:flex}.mock-player-container{aspect-ratio:16/9;border:1px solid var(--border-color);width:100%;max-width:800px;box-shadow:var(--card-shadow);cursor:pointer;background-color:#000;border-radius:16px;transition:transform .3s;position:relative;overflow:hidden}.mock-player-container:hover{transform:scale(1.01)}.mock-player-thumbnail{object-fit:cover;opacity:.7;width:100%;height:100%}.player-overlay{background:linear-gradient(#0003,#000c);flex-direction:column;justify-content:space-between;padding:24px;display:flex;position:absolute;inset:0}.play-button-center{background-color:var(--yt-red);width:80px;height:80px;box-shadow:0 0 30px var(--yt-red);border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.mock-player-container:hover .play-button-center{background-color:var(--yt-red-hover);transform:translate(-50%,-50%)scale(1.1)}.play-icon{border-top:15px solid #0000;border-bottom:15px solid #0000;border-left:25px solid #fff;width:0;height:0;margin-left:6px}.player-info{justify-content:space-between;align-items:flex-end;width:100%;display:flex}.player-title{font-family:var(--font-display);font-size:20px;font-weight:700}.player-stats{color:var(--text-muted);font-size:14px}.player-bottom-bar{background:#fff3;width:100%;height:4px;position:absolute;bottom:0;left:0}.player-progress{background-color:var(--yt-red);width:35%;height:100%;box-shadow:0 0 10px var(--yt-red)}.landing-section{width:100%;max-width:1200px;margin:0 auto;padding:80px 24px}.section-title{font-family:var(--font-display);text-align:center;margin-bottom:16px;font-size:36px;font-weight:800}.section-subtitle{color:var(--text-muted);text-align:center;max-width:600px;margin:0 auto 50px;font-size:16px}.calculator-grid{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--card-shadow);border-radius:16px;grid-template-columns:1fr 1.2fr;align-items:center;gap:40px;padding:40px;display:grid}.calc-inputs{flex-direction:column;gap:24px;display:flex}.calc-input-group{flex-direction:column;gap:10px;display:flex}.calc-input-group label{color:var(--text-muted);font-size:14px;font-weight:600}.calc-slider-val{font-family:var(--font-display);color:var(--yt-red);font-size:24px;font-weight:700}.calc-range-slider{-webkit-appearance:none;background:#333;border-radius:3px;outline:none;width:100%;height:6px}.calc-range-slider::-webkit-slider-thumb{appearance:none;background:var(--yt-red);cursor:pointer;width:20px;height:20px;box-shadow:0 0 10px var(--yt-red);border-radius:50%;transition:transform .1s}.calc-range-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.calc-results{border-left:1px solid var(--border-color);flex-direction:column;gap:20px;padding-left:40px;display:flex}.calc-card{border:1px solid var(--border-color);background:#ffffff08;border-radius:12px;padding:20px}.calc-card.highlight{background:#ff00000d;border-color:#f003}.calc-card-title{text-transform:uppercase;color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:600}.calc-card-value{font-family:var(--font-display);color:#fff;font-size:32px;font-weight:800}.calc-card-note{color:var(--text-dim);margin-top:4px;font-size:12px}.modules-list{flex-direction:column;gap:16px;max-width:800px;margin:0 auto;display:flex}.module-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;transition:all .3s;overflow:hidden}.module-card:hover{border-color:#fff3;transform:translateY(-2px)}.module-header{cursor:pointer;justify-content:space-between;align-items:center;padding:24px;display:flex}.module-info h3{font-family:var(--font-display);margin-bottom:4px;font-size:18px;font-weight:700}.module-info p{color:var(--text-muted);font-size:14px}.module-arrow{color:var(--text-muted);font-size:20px;transition:transform .3s}.module-card.expanded .module-arrow{color:var(--yt-red);transform:rotate(180deg)}.module-body{border-top:1px solid var(--border-color);color:var(--text-muted);background:#0000001a;padding:0 24px 24px;font-size:14px;line-height:1.6}.free-niches-preview{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-bottom:40px;display:grid}.niche-preview-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:24px;transition:transform .3s,border-color .3s;position:relative;overflow:hidden}.niche-preview-card:hover{border-color:var(--yt-red);transform:translateY(-5px)}.niche-preview-header{justify-content:space-between;align-items:flex-start;margin-bottom:12px;display:flex}.niche-preview-title{font-family:var(--font-display);font-size:18px;font-weight:700}.niche-preview-rpm{font-family:var(--font-display);color:#2ecc71;font-size:18px;font-weight:800}.niche-preview-desc{color:var(--text-muted);margin-bottom:16px;font-size:13px;line-height:1.5}.niche-preview-meta{border-top:1px solid var(--border-color);color:var(--text-dim);justify-content:space-between;align-items:center;padding-top:12px;font-size:12px;display:flex}.niche-preview-blur{filter:blur(8px);-webkit-user-select:none;user-select:none;opacity:.3}.locked-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);text-align:center;background:#1f1f1fd9;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:20px;display:flex;position:absolute;inset:0}.lock-icon{font-size:28px}.locked-text{font-family:var(--font-display);font-size:16px;font-weight:700}.locked-subtext{color:var(--text-muted);font-size:12px}.pricing-container{background:var(--bg-card);border:1px solid var(--yt-red);max-width:600px;box-shadow:var(--glow-shadow);text-align:center;border-radius:20px;margin:0 auto;padding:40px;position:relative;overflow:hidden}.pricing-container:before{content:"YouTube Premium Style";background-color:var(--yt-red);color:#fff;text-transform:uppercase;letter-spacing:1px;padding:6px 60px;font-size:10px;font-weight:700;position:absolute;top:15px;right:-50px;transform:rotate(45deg)}.price-tag{font-family:var(--font-display);color:#fff;margin:20px 0 10px;font-size:48px;font-weight:800}.price-tag span{color:var(--text-dim);margin-right:10px;font-size:20px;text-decoration:line-through}.payment-desc{color:var(--text-muted);margin-bottom:30px;font-size:14px;line-height:1.6}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10000;background:#000000d9;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-card);border:1px solid var(--border-color);width:100%;max-width:500px;box-shadow:var(--card-shadow);border-radius:16px;padding:32px;position:relative}.close-modal-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:24px;position:absolute;top:20px;right:20px}.modal-title{font-family:var(--font-display);align-items:center;gap:10px;margin-bottom:16px;font-size:24px;font-weight:700;display:flex}.payment-steps{text-align:left;flex-direction:column;gap:20px;margin-bottom:24px;display:flex}.payment-step{gap:16px;display:flex}.step-badge{background:var(--yt-red);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:flex}.payment-step-info h5{font-family:var(--font-display);margin-bottom:4px;font-size:14px;font-weight:700}.payment-step-info p{color:var(--text-muted);font-size:13px;line-height:1.4}.copy-field{border:1px solid var(--border-color);background:#0003;border-radius:8px;justify-content:space-between;align-items:center;margin-top:8px;padding:8px 12px;display:flex}.copy-text{color:#fff;font-family:monospace;font-size:14px}.copy-icon-btn{color:var(--yt-red);cursor:pointer;background:0 0;border:none;font-size:12px;font-weight:600}.email-input{border:1px solid var(--border-color);color:#fff;width:100%;font-family:var(--font-body);background:#111;border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:14px}.email-input:focus{border-color:var(--yt-red);outline:none}.faq-grid{grid-template-columns:1fr 1fr;gap:24px;max-width:1000px;margin:0 auto;display:grid}.faq-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:24px}.faq-question{font-family:var(--font-display);color:#fff;align-items:center;gap:10px;margin-bottom:12px;font-size:16px;font-weight:700;display:flex}.faq-answer{color:var(--text-muted);font-size:14px;line-height:1.5}.landing-footer{border-top:1px solid var(--border-color);text-align:center;color:var(--text-dim);background:#000;padding:40px 24px;font-size:13px}.footer-logo{color:#fff;font-family:var(--font-display);justify-content:center;align-items:center;gap:8px;margin-bottom:12px;font-size:20px;font-weight:800;display:flex}.footer-logo span{color:var(--yt-red)}.cabinet-container{background-color:var(--bg-dark);flex:1;display:flex}.cabinet-sidebar{width:var(--sidebar-width);border-right:1px solid var(--border-color);background-color:#121212;flex-direction:column;height:calc(100vh - 45px);display:flex;position:sticky;top:45px;overflow-y:auto}.sidebar-logo-area{font-family:var(--font-display);border-bottom:1px solid var(--border-color);align-items:center;gap:8px;padding:24px;font-size:20px;font-weight:800;display:flex}.sidebar-logo-area span{color:var(--yt-red)}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 8px;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;border-radius:8px;align-items:center;gap:12px;padding:12px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{color:#fff;background:#ffffff0a}.nav-item.active{color:#fff;border-left:3px solid var(--yt-red);background:#ff00001a;font-weight:600}.sidebar-footer{border-top:1px solid var(--border-color);color:var(--text-dim);text-align:center;padding:16px;font-size:12px}.cabinet-main{flex:1;width:100%;max-width:1000px;margin:0 auto;padding:40px;overflow-y:auto}.cabinet-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:20px;display:flex}.cabinet-title-area h1{font-family:var(--font-display);font-size:28px;font-weight:800}.cabinet-title-area p{color:var(--text-muted);margin-top:4px;font-size:14px}.course-reader{color:#e0e0e0;font-size:15px;line-height:1.7}.course-reader h3{font-family:var(--font-display);color:#fff;border-left:3px solid var(--yt-red);margin:30px 0 16px;padding-left:12px;font-size:20px;font-weight:700}.course-reader h4{font-family:var(--font-display);color:#fff;margin:24px 0 12px;font-size:17px;font-weight:700}.course-reader p{margin-bottom:16px}.course-reader ul,.course-reader ol{margin-bottom:20px;padding-left:20px}.course-reader li{margin-bottom:8px}.course-reader blockquote{border-left:4px solid var(--yt-red);background:#ffffff08;border-radius:0 8px 8px 0;margin:20px 0;padding:16px 20px;font-style:italic}.course-reader a{color:var(--yt-red-hover);text-decoration:none}.course-reader a:hover{text-decoration:underline}.course-reader hr{background:var(--border-color);border:0;height:1px;margin:40px 0}.course-navigation-buttons{border-top:1px solid var(--border-color);justify-content:space-between;margin-top:50px;padding-top:24px;display:flex}.niches-db-container{flex-direction:column;gap:20px;display:flex}.db-filters-bar{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.search-input-wrapper{flex:1;min-width:250px;position:relative}.search-input{background:var(--bg-card);border:1px solid var(--border-color);color:#fff;border-radius:8px;width:100%;padding:12px 16px 12px 40px;font-size:14px}.search-input:focus{border-color:var(--yt-red);outline:none}.search-icon{color:var(--text-dim);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.filter-select{background:var(--bg-card);border:1px solid var(--border-color);color:#fff;cursor:pointer;border-radius:8px;outline:none;padding:12px 16px;font-size:14px}.filter-select:focus{border-color:var(--yt-red)}.niches-grid{grid-template-columns:1fr;gap:20px;display:grid}.niche-item-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;transition:all .3s;overflow:hidden}.niche-item-card:hover{border-color:#ff00004d}.niche-item-summary{cursor:pointer;grid-template-columns:2fr 1fr 1fr 1fr auto;align-items:center;gap:20px;padding:24px;display:grid}.niche-title-desc h3{font-family:var(--font-display);margin-bottom:4px;font-size:16px;font-weight:700}.niche-title-desc p{color:var(--text-muted);font-size:12px}.niche-meta-item{flex-direction:column;gap:4px;display:flex}.niche-meta-label{text-transform:uppercase;color:var(--text-dim);font-size:10px;font-weight:600}.niche-meta-value{font-family:var(--font-display);font-size:14px;font-weight:700}.niche-meta-value.rpm{color:#2ecc71}.niche-expand-icon{color:var(--text-dim);font-size:16px;transition:transform .3s}.niche-item-card.expanded .niche-expand-icon{color:var(--yt-red);transform:rotate(180deg)}.niche-item-details{border-top:1px solid var(--border-color);background:#00000026;flex-direction:column;gap:20px;padding:0 24px 24px;animation:.3s slideDown;display:flex}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.niche-details-section h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin:16px 0 8px;font-size:13px}.channels-list{flex-wrap:wrap;gap:12px;display:flex}.channel-link-tag{border:1px solid var(--border-color);color:#fff;background:#ffffff0d;border-radius:4px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;text-decoration:none;transition:all .2s;display:flex}.channel-link-tag:before{content:"▶";color:var(--yt-red);font-size:10px}.channel-link-tag:hover{background:var(--yt-red);border-color:var(--yt-red);transform:translateY(-2px)}.bullet-list{flex-direction:column;gap:8px;list-style:none;display:flex}.bullet-list li{color:var(--text-muted);padding-left:16px;font-size:13px;position:relative}.bullet-list li:before{content:"•";color:var(--yt-red);font-weight:700;position:absolute;left:0}.telegram-guide-container{flex-direction:column;gap:30px;display:flex}.guide-header{background:#0088cc14;border:1px solid #08c3;border-radius:12px;align-items:center;gap:16px;padding:20px;display:flex}.guide-icon{font-size:32px}.guide-title{font-family:var(--font-display);color:#fff;font-size:20px;font-weight:700}.guide-subtitle{color:var(--text-muted);font-size:13px}.steps-list{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;display:grid}.step-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;gap:16px;padding:20px;display:flex}.step-num{color:#08c;width:32px;height:32px;font-weight:700;font-family:var(--font-display);background:#0088cc26;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.step-desc h4{font-family:var(--font-display);margin-bottom:6px;font-size:14px;font-weight:700}.step-desc p{color:var(--text-muted);font-size:12px;line-height:1.4}.code-box{border:1px solid var(--border-color);background:#000;border-radius:10px;overflow:hidden}.code-tabs{border-bottom:1px solid var(--border-color);background:#111;display:flex}.code-tab-btn{color:var(--text-muted);cursor:pointer;border:none;border-right:1px solid var(--border-color);background:0 0;padding:12px 20px;font-size:13px;font-weight:600}.code-tab-btn.active{color:#fff;border-bottom:2px solid var(--yt-red);background:#000}.code-content-wrapper{padding:20px;position:relative}.code-display{color:#2ecc71;white-space:pre-wrap;max-height:400px;font-family:Courier New,Courier,monospace;font-size:12px;line-height:1.5;overflow-x:auto}.copy-btn{border:1px solid var(--border-color);color:#fff;cursor:pointer;background:#ffffff14;border-radius:4px;padding:6px 12px;font-size:12px;transition:all .2s;position:absolute;top:15px;right:15px}.copy-btn:hover{color:#000;background:#fff}.niche-details-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=900px){.hero-title{font-size:38px}.calculator-grid{grid-template-columns:1fr;padding:20px}.calc-results{border-left:none;border-top:1px solid var(--border-color);padding-top:20px;padding-left:0}.faq-grid{grid-template-columns:1fr}.niche-item-summary{grid-template-columns:1fr 1fr;gap:12px}.niche-item-summary>div:nth-child(5){text-align:right;grid-column:span 2}.cabinet-container{flex-direction:column}.cabinet-container.mobile-show-menu .cabinet-main{display:none!important}.cabinet-container.mobile-show-menu .cabinet-sidebar{border-right:none!important;width:100%!important;height:calc(100vh - 45px)!important;display:flex!important;position:static!important}.cabinet-container.mobile-show-menu .sidebar-nav{flex-direction:column!important;gap:10px!important;padding:16px 12px!important;display:flex!important;overflow-x:visible!important}.cabinet-container.mobile-show-menu .sidebar-header-text,.cabinet-container.mobile-show-menu .sidebar-divider{display:block!important}.cabinet-container.mobile-show-detail .cabinet-sidebar{display:none!important}.cabinet-container.mobile-show-detail .cabinet-main{width:100%!important;padding:20px 16px!important;display:block!important}.mobile-back-btn{display:flex!important}.nav-item{padding:12px 16px!important}.niche-details-grid{grid-template-columns:1fr;gap:16px}.modal-content{padding:24px 16px!important}}.sidebar-header-text{color:var(--text-dim);letter-spacing:1px;text-transform:uppercase;padding:14px 16px 4px;font-size:10px;font-weight:700}.sidebar-divider{background:var(--border-color);height:1px;margin:12px 16px}