@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap";:root{--primary-color: #dc2626;--primary-hover: #b91c1c;--primary-glow: rgba(220, 38, 38, .5);--secondary-color: #27272a;--secondary-hover: #3f3f46;--bg-color: #18181b;--bg-secondary: #27272a;--bg-tertiary: #3f3f46;--text-color: #f4f4f5;--text-muted: #a1a1aa;--on-primary: #ffffff;--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--border-color: #27272a;--border-radius: 12px;--border-radius-sm: 8px;--border-radius-lg: 24px;--spacing: 1rem;--transition: all .2s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-glow: 0 0 15px var(--primary-glow);--font-main: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-color);color:var(--text-color);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background-color:#18181bcc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:var(--spacing);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100;transition:var(--transition)}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.title{font-size:1.5rem;font-weight:700;letter-spacing:-.025em}.title-link{display:flex;align-items:center;gap:.75rem;color:var(--text-color);text-decoration:none;transition:var(--transition);font-weight:800}.header-logo{height:32px;width:32px;object-fit:contain;filter:drop-shadow(0 0 8px rgba(220,38,38,.5))}.app-name{background:linear-gradient(135deg,#fff,#fca5a5);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.title-link:hover{opacity:.8}.main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:calc(var(--spacing) * 2);animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.footer{background-color:var(--bg-secondary);padding:calc(var(--spacing) * 3);text-align:center;margin-top:auto;border-top:1px solid var(--border-color)}.footer-content{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:calc(var(--spacing) * 2)}.footer-section{display:flex;justify-content:center;align-items:center}.footer-nav{display:flex;gap:calc(var(--spacing) * 2);justify-content:center;flex-wrap:wrap}.footer-link{color:var(--text-muted);text-decoration:none;font-size:.875rem;font-weight:500;transition:var(--transition)}.footer-link:hover{color:var(--primary-color)}.footer-copyright{font-size:.75rem;color:var(--text-muted);opacity:.7}.video-player{margin-bottom:calc(var(--spacing) * 2)}.video-player-container{position:relative;width:100%;max-width:900px;margin:0 auto;aspect-ratio:16 / 9;background-color:#000;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow-lg),0 0 20px #00000080;border:1px solid var(--border-color)}.youtube-player{width:100%;height:100%}.queue-title-display{margin-bottom:calc(var(--spacing) * 2);text-align:center}.queue-title{font-size:1.75rem;font-weight:700;color:var(--text-color);margin:0;padding:var(--spacing);background:linear-gradient(135deg,#dc26261a,#27272a66);border-radius:var(--border-radius);border:1px solid rgba(220,38,38,.2);backdrop-filter:blur(8px)}.video-info{margin-top:var(--spacing);padding:var(--spacing);background-color:var(--bg-secondary);border-radius:var(--border-radius);border:1px solid var(--border-color)}.video-title{font-size:1.25rem;margin-bottom:.5rem;font-weight:600}.video-author{color:var(--text-muted);font-size:.875rem;margin-bottom:.5rem}.video-time{color:var(--text-muted);font-size:.875rem}.video-controls{background-color:var(--bg-secondary);padding:calc(var(--spacing) * 1.5);border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow-md)}.video-position{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing);font-size:1rem;font-weight:600;color:var(--text-color)}.completion-badge{background-color:#10b98133;color:#34d399;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;border:1px solid rgba(16,185,129,.3)}.control-buttons{display:flex;gap:var(--spacing);justify-content:center;margin-bottom:calc(var(--spacing) * 1.5)}.control-button{padding:.75rem 1.5rem;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:var(--on-primary);border:none;border-radius:var(--border-radius-sm);cursor:pointer;font-size:1rem;font-weight:600;transition:var(--transition);box-shadow:0 4px 6px -1px #dc262626}.control-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 8px -1px #dc262640,var(--shadow-glow)}.control-button:disabled{background:var(--bg-tertiary);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.control-button.loop-button{background:var(--bg-secondary);color:var(--text-primary);box-shadow:0 2px 4px #0000001a}.control-button.loop-button:hover{background:var(--bg-tertiary)}.control-button.loop-button.active{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:var(--on-primary);box-shadow:0 4px 6px -1px #dc262626}.control-button.loop-button.active:hover{transform:translateY(-2px);box-shadow:0 6px 8px -1px #dc262640,var(--shadow-glow)}.completion-message{margin-top:calc(var(--spacing) * 2);padding:calc(var(--spacing) * 1.5);background:linear-gradient(135deg,#dc26260d,#dc26261a);border-radius:var(--border-radius);border:1px solid rgba(220,38,38,.2);text-align:center}.completion-text{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing)}.restart-button{padding:.75rem 1.5rem;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:var(--on-primary);border:none;border-radius:var(--border-radius-sm);cursor:pointer;font-size:1rem;font-weight:600;transition:var(--transition);box-shadow:0 4px 6px -1px #dc262626}.restart-button:hover{transform:translateY(-2px);box-shadow:0 6px 8px -1px #dc262640,var(--shadow-glow)}.video-queue-preview{display:flex;gap:.75rem;overflow-x:auto;padding:var(--spacing) 0;scrollbar-width:thin;scrollbar-color:var(--bg-tertiary) transparent}.video-queue-preview::-webkit-scrollbar{height:6px}.video-queue-preview::-webkit-scrollbar-track{background:transparent}.video-queue-preview::-webkit-scrollbar-thumb{background-color:var(--bg-tertiary);border-radius:20px}.queue-item{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.75rem;background-color:var(--bg-tertiary);border:1px solid transparent;border-radius:var(--border-radius-sm);cursor:pointer;transition:var(--transition);min-width:120px}.queue-item:hover{background-color:var(--secondary-hover);transform:translateY(-2px)}.queue-item.active{background-color:#dc26261a;border-color:var(--primary-color)}.queue-item.active .queue-item-number{color:var(--primary-color)}.queue-item-thumbnail{width:100px;height:56px;object-fit:cover;border-radius:4px;background-color:#000}.queue-item-number{font-weight:700;font-size:.875rem;color:var(--text-muted)}.queue-item-title{font-size:.9rem;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;color:var(--text-muted)}.queue-item.active .queue-item-title{color:var(--text-color)}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:calc(var(--spacing) * 4)}.spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.video-player-empty,.video-player-error,.video-queue-empty{text-align:center;padding:calc(var(--spacing) * 6);background-color:var(--bg-secondary);border-radius:var(--border-radius);border:1px dashed var(--border-color)}.empty-icon{width:64px;height:64px;color:var(--text-muted);margin-bottom:var(--spacing);opacity:.5}.empty-title{font-size:1.5rem;font-weight:700;color:var(--text-color);margin-bottom:.5rem}.empty-message{font-size:1rem;color:var(--text-muted);margin-bottom:calc(var(--spacing) * 2)}.empty-actions{display:flex;gap:var(--spacing);justify-content:center}.empty-action-button{padding:.75rem 1.5rem;border-radius:var(--border-radius-sm);font-size:1rem;font-weight:600;text-decoration:none;cursor:pointer;transition:var(--transition);display:inline-block}.empty-action-button.primary{background:var(--primary-color);color:var(--on-primary);border:none;box-shadow:0 4px 6px -1px #dc26264d;display:flex;align-items:center}.empty-action-button.primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 8px -1px #dc262666}.empty-action-button.secondary{background-color:transparent;color:var(--text-color);border:1px solid var(--border-color)}.empty-action-button.secondary:hover{background-color:var(--bg-tertiary);border-color:var(--text-muted)}.editor-title{font-size:2.25rem;font-weight:800;margin-bottom:.5rem;text-align:center;background:linear-gradient(135deg,#fff,#f87171);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.editor-description{font-size:1.125rem;color:var(--text-muted);text-align:center;margin-bottom:calc(var(--spacing) * 3)}.editor-input-section,.editor-queue-section{background-color:var(--bg-secondary);padding:calc(var(--spacing) * 2);border-radius:var(--border-radius);border:1px solid var(--border-color);margin-bottom:calc(var(--spacing) * 2)}.video-input-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-color);padding-top:1.5rem;margin-top:1.5rem;border-top:1px solid var(--border-color)}.form-input,.queue-title-input{width:100%;padding:.875rem;background-color:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:1rem;font-family:inherit;transition:var(--transition)}.form-input:focus,.queue-title-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #dc262633}.form-label,.input-label{display:block;font-size:.875rem;font-weight:600;color:var(--text-color);margin-bottom:.5rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing)}.form-submit{width:100%;padding:1rem;background:var(--primary-color);color:var(--on-primary);border:none;border-radius:var(--border-radius-sm);font-weight:600;cursor:pointer;transition:var(--transition);margin-top:var(--spacing);display:flex;justify-content:center;align-items:center}.form-submit:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 4px 12px #dc26264d;transform:translateY(-2px)}.editor-actions{display:flex;justify-content:center;margin-top:2rem}.editor-action-button{padding:1rem 2.5rem;font-size:1.125rem;font-weight:700;border-radius:var(--border-radius);border:none;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:.5rem}.preview-button{background:linear-gradient(135deg,var(--primary-color) 0%,#b91c1c 100%);color:#fff;box-shadow:0 4px 15px #dc262666}.preview-button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #dc262699}.video-queue-item{display:grid;grid-template-columns:auto auto 100px 1fr auto;gap:var(--spacing);align-items:center;padding:.75rem 1rem;background-color:var(--bg-tertiary);border-radius:var(--border-radius-sm);transition:var(--transition);border:1px solid transparent}.video-queue-item:hover{border-color:var(--border-color);transform:translate(4px);background-color:var(--bg-secondary)}.video-queue-item-thumbnail{width:100px;height:56px;object-fit:cover;border-radius:6px;overflow:hidden;background-color:#000}.video-queue-item-delete{background:transparent;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--error-color);color:var(--error-color);border-radius:var(--border-radius-sm);padding:0;cursor:pointer;transition:var(--transition)}.video-queue-item-time-edit{display:flex;align-items:center;gap:.5rem}.time-edit-input{width:70px;padding:.25rem .5rem;background:var(--bg-color);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);color:var(--text-color);font-family:inherit;font-size:.9rem;text-align:center}.time-edit-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #dc262633}.time-separator{color:var(--text-muted);font-weight:700}.time-edit-save,.time-edit-cancel{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--border-radius-sm);border:1px solid transparent;cursor:pointer;transition:var(--transition)}.time-edit-save{background:#10b9811a;color:var(--success-color);border-color:#10b98133}.time-edit-save:hover{background:var(--success-color);color:#fff}.time-edit-cancel{background:#dc26261a;color:var(--error-color);border-color:#dc262633}.time-edit-cancel:hover{background:var(--error-color);color:#fff}.how-it-works-section{margin-bottom:6rem}.steps-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.step{background:var(--bg-secondary);padding:2.5rem 2rem;border-radius:var(--border-radius);border:1px solid var(--border-color);position:relative;overflow:hidden;transition:var(--transition);display:flex;flex-direction:column;justify-content:flex-start}.step:hover{transform:translateY(-8px);border-color:var(--primary-color);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,var(--bg-secondary) 0%,rgba(220,38,38,.05) 100%)}.step-number{font-size:5rem;font-weight:900;color:transparent;-webkit-text-stroke:2px rgba(220,38,38,.4);position:absolute;top:-1rem;right:-.5rem;line-height:1;pointer-events:none;opacity:.8;transition:var(--transition)}.step:hover .step-number{opacity:1;-webkit-text-stroke:2px rgba(220,38,38,.6);transform:scale(1.1);color:#dc26260d}.step-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem;position:relative;z-index:1;color:var(--text-color)}.step-description{color:var(--text-muted);line-height:1.7;position:relative;z-index:1;font-size:1rem}.faq-section{margin-bottom:6rem}.faq-container{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}.faq-item{background:var(--bg-secondary);padding:2rem;border-radius:var(--border-radius);border:1px solid var(--border-color);transition:var(--transition)}.faq-item:hover{transform:translateY(-4px);border-color:var(--primary-color);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,var(--bg-secondary) 0%,rgba(220,38,38,.03) 100%)}.faq-question{font-size:1.25rem;font-weight:700;margin-bottom:.75rem;color:var(--text-color)}.faq-answer{color:var(--text-muted);line-height:1.7;font-size:1rem;margin:0}.landing-page{padding-bottom:4rem}.hero-section{text-align:center;padding:8rem 2rem;background:linear-gradient(180deg,#27272a99,#18181b00);border-radius:var(--border-radius);margin-bottom:4rem;border:1px solid rgba(255,255,255,.05);position:relative;overflow:hidden}.hero-section:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:100%;height:100%;background:radial-gradient(circle at center,rgba(220,38,38,.08) 0%,transparent 70%);pointer-events:none}.hero-title{font-size:3.5rem;font-weight:800;letter-spacing:-.05em;margin-bottom:1.5rem;background:linear-gradient(to right,#fff 20%,#f87171);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 30px rgba(220,38,38,.3)}.hero-subtitle{font-size:1.5rem;color:var(--text-muted);margin-bottom:3rem;max-width:700px;margin-left:auto;margin-right:auto}.hero-actions{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.hero-demo-actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.btn{padding:.875rem 1.75rem;border-radius:9999px;font-weight:600;text-decoration:none;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border:none}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,#dc2626 100%);color:#fff;box-shadow:0 4px 15px #dc262666}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #dc262680}.btn-secondary{background:#ffffff0d;color:var(--text-color);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(4px)}.btn-secondary:hover{background:#ffffff1a;border-color:#fff3}.btn-large{padding:1.25rem 3rem;font-size:1.25rem}.section-title{text-align:center;font-size:2.5rem;font-weight:700;margin-bottom:3rem;color:var(--text-color)}.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-bottom:6rem;max-width:1000px;margin-left:auto;margin-right:auto}.feature-card{background:var(--bg-secondary);padding:2.5rem;border-radius:var(--border-radius);border:1px solid var(--border-color);transition:var(--transition)}.feature-card:hover{border-color:var(--primary-color);transform:translateY(-8px);box-shadow:var(--shadow-xl)}.feature-icon{font-size:3rem;margin-bottom:1.5rem;background:linear-gradient(135deg,var(--primary-color) 0%,transparent 80%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.feature-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem}.cta-section{background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-color) 100%);border-radius:var(--border-radius-lg);padding:6rem 2rem;text-align:center;border:1px solid var(--border-color);position:relative;overflow:hidden}.cta-section:after{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--primary-color),transparent)}.mode-switcher{display:flex;background:var(--bg-secondary);padding:4px;border-radius:var(--border-radius);border:1px solid var(--border-color)}.mode-button{padding:.5rem 1.25rem;border:none;background:transparent;color:var(--text-muted);border-radius:calc(var(--border-radius) - 4px);cursor:pointer;font-weight:600;transition:var(--transition);display:flex;align-items:center;gap:.5rem}.mode-button.active{background:var(--bg-tertiary);color:var(--text-color);box-shadow:var(--shadow-sm)}.language-select{padding:.5rem 2rem .5rem 1rem;background-color:var(--bg-secondary);color:var(--text-color);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);cursor:pointer}@media(max-width:768px){.hero-title{font-size:2.5rem}.header-content{flex-direction:column;gap:1rem}.form-row{grid-template-columns:1fr}.video-queue-item{grid-template-columns:auto 1fr auto;grid-template-areas:"drag thumb delete" "info info info";gap:.5rem}.video-queue-item-thumbnail{width:60px;height:34px;grid-area:thumb}.video-queue-item-drag-handle{grid-area:drag}.video-queue-item-delete{grid-area:delete}.video-queue-item-info{grid-area:info}.features-grid{grid-template-columns:1fr}}