:root{--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: #e0e7ff;--secondary: #8b5cf6;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--space-xs: .5rem;--space-sm: .75rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}html,body{margin:0;padding:0;width:100%;min-height:100vh;overflow-x:hidden}html{background-color:var(--gray-50)}body{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--gray-50);color:var(--gray-900);line-height:1.5;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column;padding:0;margin:0;position:relative;background-color:transparent}.app:before{content:"";position:fixed;top:0;left:0;width:100vw;height:100vh;background-image:radial-gradient(circle at 20% 80%,rgba(99,102,241,.05) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(139,92,246,.05) 0%,transparent 50%),radial-gradient(circle at 40% 40%,rgba(99,102,241,.03) 0%,transparent 50%);z-index:-1;pointer-events:none}.app-header{background:white;border-bottom:1px solid var(--gray-200);padding:var(--space-md) 0;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(255,255,255,.95);width:100%;box-shadow:0 1px 3px #0000000d}.logo-title-row{display:flex;align-items:center;gap:var(--space-sm);max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.app-logo-inline{height:2.5rem;width:auto;object-fit:contain;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.main-heading{font-size:1.5rem;font-weight:700;color:var(--gray-900);letter-spacing:-.02em}.app>*:not(.app-header):not(.app-footer):not(.hero-section){max-width:1200px;margin:0 auto;width:calc(100% - 2 * var(--space-xl));padding:0;box-sizing:border-box}.notice-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);border-radius:var(--radius-lg);padding:var(--space-lg);margin:var(--space-xl) auto;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;animation:slideIn .5s ease-out;width:100%;max-width:100%;box-sizing:border-box}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.notice-content{position:relative;z-index:1;color:#fff}.notice-icon{font-size:2rem;margin-bottom:var(--space-xs);display:block;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.notice-title{font-size:1.25rem;font-weight:600;margin-bottom:var(--space-sm)}.notice-features{background:rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-md);padding:var(--space-md);margin-top:var(--space-md)}.notice-features-list{list-style:none;display:grid;gap:var(--space-xs);font-size:.875rem}.notice-features-list li{opacity:0;animation:fadeInUp .5s ease-out forwards}.notice-features-list li:nth-child(1){animation-delay:.1s}.notice-features-list li:nth-child(2){animation-delay:.2s}.notice-features-list li:nth-child(3){animation-delay:.3s}.notice-features-list li:nth-child(4){animation-delay:.4s}.notice-features-list li:nth-child(5){animation-delay:.5s}.notice-features-list li:nth-child(6){animation-delay:.6s}.notice-features-list li:nth-child(7){animation-delay:.7s}.notice-features-list li:nth-child(8){animation-delay:.8s}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.notice-features-list li:before{content:"✓ ";font-weight:600;margin-right:var(--space-xs)}.notice-hide-button{position:absolute;top:var(--space-md);right:var(--space-md);background:rgba(255,255,255,.2);border:none;color:#fff;border-radius:var(--radius-full);width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-base);font-size:1.25rem}.notice-hide-button:hover{background:rgba(255,255,255,.3);transform:scale(1.1) rotate(90deg)}.video-input{display:flex;gap:var(--space-md);margin:var(--space-xl) auto;background:white;padding:var(--space-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);position:relative;overflow:hidden;animation:fadeIn .6s ease-out;align-items:stretch;width:100%;max-width:100%;box-sizing:border-box}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.video-input:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(99,102,241,.1),transparent);transition:left .5s}.video-input:hover:before{left:100%}.video-input input{flex:1;padding:var(--space-sm) var(--space-md);border:2px solid var(--gray-200);border-radius:var(--radius-md);font-size:1rem;transition:all var(--transition-base);background:var(--gray-50);height:auto}.video-input input:focus{outline:none;border-color:var(--primary);background:white;transform:scale(1.02)}.video-input button{padding:var(--space-sm) var(--space-lg);background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-base);white-space:nowrap;position:relative;overflow:hidden;height:auto}.video-input button.primary-cta{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);font-size:1rem;letter-spacing:.02em;text-transform:none;box-shadow:0 4px 15px #6366f133}.video-input button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(255,255,255,.3);border-radius:50%;transform:translate(-50%,-50%);transition:width .6s,height .6s}.video-input button:hover:before{width:300px;height:300px}.video-input button:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.restore-button{background:var(--secondary)!important;animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #8b5cf666}70%{box-shadow:0 0 0 10px #8b5cf600}to{box-shadow:0 0 #8b5cf600}}.restore-button:hover{background:#7c3aed!important;animation:none}.media-area-card{background:white;border-radius:var(--radius-lg);padding:var(--space-lg);margin:var(--space-xl) auto;box-shadow:var(--shadow-md);animation:slideUp .6s ease-out;box-sizing:border-box;width:100%;max-width:100%}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.video-chat-row{display:flex;gap:var(--space-lg);align-items:flex-start}.video-col{flex:1;min-width:0;display:flex;flex-direction:column;gap:var(--space-md)}.youtube-player{width:100%;aspect-ratio:16/9;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);background:#000;position:relative;overflow:hidden}.youtube-player iframe{width:100%;height:100%;border:none;display:block}.chat-col{width:350px}.live-chat-panel iframe{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.media-controls-row{display:flex;gap:var(--space-md);align-items:center;flex-wrap:wrap;background:var(--gray-50);padding:var(--space-md);border-radius:var(--radius-md);border:1px solid var(--gray-200)}.chat-toggle-button{padding:var(--space-sm) var(--space-md);background:var(--gray-100);border:2px solid var(--gray-200);border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all var(--transition-base)}.chat-toggle-button:hover{background:var(--gray-200);border-color:var(--gray-300);transform:translateY(-1px)}.clip-controls{display:flex;align-items:center;gap:var(--space-md);flex:1}.media-controls-row .clip-controls h3{display:none}.mode-toggle{display:flex;gap:var(--space-md);padding:var(--space-xs);background:var(--gray-100);border-radius:var(--radius-md);width:fit-content}.mode-label{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-base);font-size:.875rem;font-weight:500}.mode-label:has(input:checked){background:white;box-shadow:var(--shadow-sm);color:var(--primary)}.mode-label input[type=radio]{margin:0}.control-buttons{display:flex;gap:var(--space-sm);align-items:center}.control-button{padding:var(--space-sm) var(--space-md);background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-base);display:flex;align-items:center;gap:var(--space-xs);position:relative;overflow:hidden}.control-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(255,255,255,.3);border-radius:50%;transform:translate(-50%,-50%);transition:width .4s,height .4s}.control-button:hover:before{width:200px;height:200px}.control-button:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.control-button:disabled{background:var(--gray-300);cursor:not-allowed;transform:none}.skip-segment-manager{background:var(--gray-50);border-radius:var(--radius-lg);padding:var(--space-lg);margin-top:var(--space-lg);border:1px solid var(--gray-200);animation:expandIn .3s ease-out}@keyframes expandIn{0%{opacity:0;max-height:0}to{opacity:1;max-height:500px}}.skip-segment-header h4{font-size:1.125rem;font-weight:600;color:var(--gray-900);margin-bottom:var(--space-md)}.skip-segment-controls{display:flex;gap:var(--space-sm);margin-bottom:var(--space-md)}.skip-button{padding:var(--space-xs) var(--space-sm);background:var(--secondary);color:#fff;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-base)}.skip-button:hover:not(:disabled){background:#7c3aed;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.skip-button:disabled{background:var(--gray-300);cursor:not-allowed}.pending-skip{color:var(--warning);font-size:.875rem;font-weight:500;background:rgba(245,158,11,.1);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);width:fit-content;animation:blink 1s ease-in-out infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.6}}.skip-segments-list{display:flex;flex-direction:column;gap:var(--space-sm)}.skip-segment-item{display:flex;justify-content:space-between;align-items:center;background:white;padding:var(--space-md);border-radius:var(--radius-md);border:1px solid var(--gray-200);transition:all var(--transition-base);animation:slideInRight .3s ease-out}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.skip-segment-item:hover{box-shadow:var(--shadow-sm);border-color:var(--gray-300);transform:translate(-2px)}.skip-segment-range{font-weight:500;color:var(--gray-700)}.skip-segment-actions{display:flex;align-items:center;gap:var(--space-xs)}.adjust-button{background:var(--gray-100);border:1px solid var(--gray-200);color:var(--gray-700);padding:.25rem .5rem;border-radius:var(--radius-sm);cursor:pointer;font-size:.75rem;font-weight:500;transition:all var(--transition-fast)}.adjust-button:hover:not(:disabled){background:var(--gray-200);border-color:var(--gray-300);transform:scale(1.1)}.delete-button{background:var(--danger);border:none;color:#fff;padding:.25rem .75rem;border-radius:var(--radius-sm);cursor:pointer;font-size:.813rem;font-weight:500;transition:all var(--transition-base);margin-left:var(--space-sm)}.delete-button:hover:not(:disabled){background:#dc2626;transform:scale(1.05);box-shadow:var(--shadow-sm)}.clip-list{background:white;border-radius:var(--radius-lg);padding:var(--space-lg);margin:var(--space-xl) auto;box-shadow:var(--shadow-md);animation:fadeIn .6s ease-out;box-sizing:border-box;width:100%;max-width:100%}.clip-list h3{font-size:1.25rem;font-weight:600;color:var(--gray-900);margin-bottom:var(--space-lg)}.clips-container{display:flex;flex-direction:column;gap:var(--space-md)}.clip-item{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-base);position:relative;overflow:hidden;animation:slideInLeft .4s ease-out}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.clip-item:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(99,102,241,.05),transparent);transition:left .5s}.clip-item:hover:before{left:100%}.clip-item:hover{box-shadow:var(--shadow-md);border-color:var(--primary-light);transform:translateY(-2px)}.clip-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-md)}.clip-title{font-size:1.125rem;font-weight:600;color:var(--gray-900);flex:1}.clip-actions{display:flex;gap:var(--space-xs)}.action-button{padding:var(--space-xs) var(--space-sm);border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.action-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(255,255,255,.3);border-radius:50%;transform:translate(-50%,-50%);transition:width .4s,height .4s}.action-button:hover:before{width:100px;height:100px}.action-button.play{background:var(--primary);color:#fff}.action-button.play:hover{background:var(--primary-hover);transform:scale(1.05)}.action-button.share{background:var(--info);color:#fff}.action-button.share:hover{background:#2563eb;transform:scale(1.05)}.action-button.share.copied{background:var(--success);animation:checkmark .5s ease-out}@keyframes checkmark{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}.action-button.delete{background:var(--danger);color:#fff}.action-button.delete:hover{background:#dc2626;transform:scale(1.05)}.clip-timestamps{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md);margin-bottom:var(--space-md)}.timestamp-group{background:white;padding:var(--space-sm);border-radius:var(--radius-md);border:1px solid var(--gray-200);transition:all var(--transition-base)}.timestamp-group:hover{border-color:var(--gray-300);box-shadow:var(--shadow-sm)}.timestamp-label{font-size:.75rem;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em;display:block;margin-bottom:var(--space-xs)}.timestamp-row{display:flex;justify-content:space-between;align-items:center}.timestamp-value{font-weight:500;color:var(--gray-700)}.adjust-buttons{display:flex;gap:.25rem}.adjust-buttons .adjust-button{padding:.125rem .375rem;font-size:.75rem}.clip-skip-info{background:var(--primary-light);padding:var(--space-sm);border-radius:var(--radius-md);margin-top:var(--space-sm);animation:fadeIn .3s ease-out}.skip-info-label{font-size:.875rem;font-weight:600;color:var(--primary)}.skip-info-details{margin-top:var(--space-xs);display:flex;flex-wrap:wrap;gap:var(--space-xs)}.skip-detail{font-size:.75rem;color:var(--gray-700);background:white;padding:.125rem .5rem;border-radius:var(--radius-sm);animation:popIn .3s ease-out}@keyframes popIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.export-controls{display:flex;justify-content:center;margin:var(--space-xl) auto;padding:0;width:100%}.export-button{padding:var(--space-sm) var(--space-lg);background:var(--success);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.export-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(255,255,255,.3);border-radius:50%;transform:translate(-50%,-50%);transition:width .4s,height .4s}.export-button:hover:before{width:200px;height:200px}.export-button:hover:not(:disabled){background:#059669;transform:translateY(-2px);box-shadow:var(--shadow-md)}.export-button:disabled{background:var(--gray-300);cursor:not-allowed}.share-url{background:var(--gray-50);border-radius:var(--radius-lg);padding:var(--space-lg);text-align:center;animation:fadeIn .4s ease-out;margin-top:var(--space-lg)}.share-url h3{font-size:1.125rem;font-weight:600;color:var(--gray-900);margin-bottom:var(--space-md)}.share-url-content{display:flex;gap:var(--space-sm);align-items:center;background:white;padding:var(--space-sm);border-radius:var(--radius-md);border:1px solid var(--gray-200);transition:all var(--transition-base)}.share-url-content:hover{border-color:var(--gray-300);box-shadow:var(--shadow-sm)}.share-url-input{flex:1;border:none;background:none;font-family:monospace;font-size:.875rem;color:var(--gray-700)}.copy-button{padding:var(--space-xs) var(--space-sm);background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-base)}.copy-button:hover{background:var(--primary-hover);transform:scale(1.05)}.copy-button.copied{background:var(--success);animation:checkmark .5s ease-out}.share-url-below-clips{max-width:100%;margin:0 auto;padding:0;box-sizing:border-box;width:100%}.clip-view{min-height:100vh;display:flex;flex-direction:column;background:transparent;margin:0;padding:0;position:relative}.clip-view:before{content:"";position:fixed;top:0;left:0;width:100vw;height:100vh;background-image:radial-gradient(circle at 20% 80%,rgba(99,102,241,.05) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(139,92,246,.05) 0%,transparent 50%),radial-gradient(circle at 40% 40%,rgba(99,102,241,.03) 0%,transparent 50%);z-index:-1;pointer-events:none}.clip-view-header{padding:var(--space-lg);background:white;border-bottom:1px solid var(--gray-200);width:100%;box-shadow:0 1px 3px #0000000d}.back-button{padding:var(--space-sm) var(--space-md);background:white;border:2px solid var(--gray-200);border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all var(--transition-base)}.back-button:hover{background:var(--gray-50);border-color:var(--gray-300);transform:translate(-2px)}.clip-player-container{max-width:1200px;width:calc(100% - 2 * var(--space-xl));margin:var(--space-xl) auto;padding:0;position:relative;box-sizing:border-box}.clip-player{width:100%;aspect-ratio:16/9;background:black;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xl);animation:scaleIn .5s ease-out}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.mode-indicator{position:absolute;top:var(--space-md);right:var(--space-md);background:var(--primary);color:#fff;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-md);font-size:.875rem;font-weight:600;box-shadow:var(--shadow-md);animation:slideInRight .5s ease-out}.clip-timeline-bar{max-width:1200px;width:calc(100% - 2 * var(--space-xl));margin:var(--space-lg) auto;padding:var(--space-lg);background:white;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);display:flex;align-items:center;gap:var(--space-md);box-sizing:border-box}.clip-timeline-time{font-size:.875rem;font-weight:600;color:var(--gray-700);min-width:60px;text-align:center}.clip-timeline-slider{flex:1;height:6px;border-radius:var(--radius-full);background:var(--gray-200);outline:none;cursor:pointer;-webkit-appearance:none}.clip-timeline-slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:var(--radius-full);background:var(--primary);cursor:pointer;box-shadow:var(--shadow-md);transition:all var(--transition-base)}.clip-timeline-slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:var(--shadow-lg)}.clip-timeline-slider:disabled{opacity:.5;cursor:not-allowed}.clip-details{max-width:1200px;width:calc(100% - 2 * var(--space-xl));margin:var(--space-lg) auto;padding:var(--space-xl);background:white;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);animation:fadeIn .6s ease-out;box-sizing:border-box}.clip-description{display:flex;align-items:baseline;gap:var(--space-md);flex-wrap:wrap}.clip-description h2{font-size:1.5rem;font-weight:700;color:var(--gray-900);margin:0}.clip-description .mode-indicator{position:static;display:inline-block;animation:none}.clip-timing{color:var(--gray-600);font-size:.875rem;margin-top:var(--space-sm);margin-bottom:var(--space-md)}.clip-controls-view{display:flex;gap:var(--space-md);flex-wrap:wrap}.loop-toggle-button{padding:var(--space-sm) var(--space-md);background:var(--gray-100);border:2px solid 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