.app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-md)}.container{max-width:800px;width:100%;background:var(--surface);border-radius:24px;padding:var(--space-2xl);box-shadow:var(--shadow-xl);border:1px solid var(--border-light);position:relative;overflow:hidden}.container:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient);border-radius:24px 24px 0 0}.header{text-align:center;margin-bottom:var(--space-2xl)}.title{font-size:3rem;font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin:var(--space-md) 0;letter-spacing:-.025em}.subtitle{color:var(--text-secondary);font-size:1.125rem;font-weight:400;max-width:600px;margin:0 auto;line-height:1.6}.main{display:flex;flex-direction:column;gap:var(--space-2xl)}.hero-section{text-align:center;padding:var(--space-lg) 0}.hero-title{font-size:2.25rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-md);line-height:1.2}.hero-description{font-size:1.125rem;color:var(--text-secondary);line-height:1.7;max-width:600px;margin:0 auto}.download-form{background:linear-gradient(135deg,#667eea0d,#764ba20d);border-radius:20px;padding:var(--space-xl);border:1px solid var(--border-light)}.input-group{display:flex;gap:var(--space-md);flex-wrap:wrap;align-items:stretch}.url-input{flex:1;width:100%;min-width:0;padding:var(--space-md) var(--space-lg);border:2px solid var(--border-light);border-radius:12px;font-size:1rem;background:var(--surface);transition:all .2s ease;font-family:inherit}.url-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f11a}.url-input::placeholder{color:var(--text-light)}.url-input-with-icon{padding-right:50px}.download-btn{background:var(--primary-gradient);color:#fff;border:none;border-radius:12px;padding:var(--space-md) var(--space-xl);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:var(--space-xs);white-space:nowrap;font-family:inherit;min-height:56px}.download-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.download-btn:active{transform:translateY(0)}.download-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.download-btn.downloading{background:var(--secondary-gradient)}.disclaimer{background:#f5576c0d;border:1px solid rgba(245,87,108,.1);border-radius:16px;padding:var(--space-lg)}.disclaimer h3{color:var(--text-primary);font-size:1.25rem;font-weight:600;margin-bottom:var(--space-md)}.disclaimer p{color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-sm)}.disclaimer p:last-child{margin-bottom:0}.small-text{font-size:.875rem;color:var(--text-light)}.footer{text-align:center;margin-top:var(--space-2xl);padding-top:var(--space-lg);border-top:1px solid var(--border-light)}.footer p{color:var(--text-secondary);margin-bottom:var(--space-xs)}@media (max-width: 768px){.app{padding:var(--space-sm)}.container{padding:var(--space-lg)}.title{font-size:2.5rem}.hero-title{font-size:1.875rem}.hero-description{font-size:1rem}.input-group{flex-direction:column}.url-input{min-width:auto}.download-btn{justify-content:center;width:100%}}@media (max-width: 480px){.title{font-size:2rem}.hero-title{font-size:1.5rem}.download-form{padding:var(--space-lg)}}.logo{display:flex;justify-content:center;margin-bottom:var(--space-md)}.logo-container{position:relative;display:flex;align-items:center;justify-content:center;width:120px;height:120px}.logo-main{position:relative;width:90px;height:90px;background:linear-gradient(135deg,#833ab4,#fd1d1d,#fcb045,#833ab4,#fd1d1d);background-size:400% 400%;border-radius:22px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 32px #833ab44d,0 4px 16px #fd1d1d33,inset 0 1px #fff3;animation:gradientShift 6s ease-in-out infinite,logoFloat 3s ease-in-out infinite;cursor:pointer;transition:all .3s ease}.logo-main:hover{transform:scale(1.05) translateY(-2px);box-shadow:0 12px 40px #833ab466,0 6px 20px #fd1d1d4d,inset 0 1px #ffffff4d}.camera-body{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%}.camera-lens{width:35px;height:35px;border:3px solid white;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:inset 0 2px 4px #0000001a}.lens-inner{width:20px;height:20px;border:2px solid white;border-radius:50%;background:#fff3}.camera-flash{position:absolute;top:15px;right:15px;width:8px;height:8px;background:#fff;border-radius:2px;box-shadow:0 0 8px #fffc;animation:flashBlink 4s ease-in-out infinite}.download-indicator{position:absolute;bottom:-5px;right:-5px;width:32px;height:32px;background:var(--primary-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px #6366f166,0 0 0 3px #fff,0 0 0 4px var(--border-light);animation:downloadPulse 2s ease-in-out infinite}.floating-elements{position:absolute;width:100%;height:100%;pointer-events:none}.floating-emoji{position:absolute;font-size:16px;animation:float 3s ease-in-out infinite;opacity:.8}.emoji-1{top:5px;right:15px;animation-delay:0s}.emoji-2{bottom:15px;left:5px;animation-delay:1s}.emoji-3{top:50%;left:-5px;animation-delay:2s}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes logoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes flashBlink{0%,90%,to{opacity:1}5%,85%{opacity:.3}}@keyframes downloadPulse{0%,to{transform:scale(1);box-shadow:0 4px 12px #6366f166,0 0 0 3px #fff,0 0 0 4px var(--border-light)}50%{transform:scale(1.1);box-shadow:0 6px 16px #6366f199,0 0 0 3px #fff,0 0 0 4px var(--accent-color)}}@keyframes float{0%,to{transform:translateY(0) rotate(0);opacity:.6}33%{transform:translateY(-8px) rotate(5deg);opacity:1}66%{transform:translateY(4px) rotate(-3deg);opacity:.8}}.logo-main:hover .camera-lens{transform:scale(1.1);box-shadow:inset 0 2px 8px #0003}.logo-main:hover .download-indicator{animation-duration:1s}.logo-main:hover~.floating-elements .floating-emoji{animation-duration:1.5s}@media (max-width: 768px){.logo-container{width:100px;height:100px}.logo-main{width:75px;height:75px;border-radius:18px}.camera-lens{width:28px;height:28px}.lens-inner{width:16px;height:16px}.download-indicator{width:28px;height:28px}.floating-emoji{font-size:14px}}.how-to-guide{background:linear-gradient(135deg,#f093fb0d,#f5576c0d);border-radius:20px;padding:var(--space-xl);border:1px solid var(--border-light)}.guide-title{font-size:2rem;font-weight:700;color:var(--text-primary);text-align:center;margin-bottom:var(--space-sm);line-height:1.2}.guide-subtitle{color:var(--text-secondary);text-align:center;font-size:1.125rem;margin-bottom:var(--space-xl);font-style:italic}.steps-container{display:grid;gap:var(--space-lg);margin-bottom:var(--space-xl)}.step{display:flex;gap:var(--space-md);align-items:flex-start;padding:var(--space-lg);background:var(--surface);border-radius:16px;border:1px solid var(--border-light);transition:all .3s ease;position:relative;overflow:hidden}.step:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary-gradient);transform:scaleX(0);transition:transform .3s ease}.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.step:hover:before{transform:scaleX(1)}.step-number{position:relative;width:60px;height:60px;background:var(--primary-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow-md)}.step-emoji{font-size:1.5rem;position:absolute;top:-8px;right:-8px;background:var(--surface);border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:.875rem;border:2px solid white}.step-index{color:#fff;font-weight:700;font-size:1.25rem}.step-content{flex:1}.step-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.step-description{color:var(--text-secondary);line-height:1.6;font-size:1rem}.pro-tips,.alternative-method{background:#10b9810d;border:1px solid rgba(16,185,129,.1);border-radius:16px;padding:var(--space-lg);margin-bottom:var(--space-lg)}.pro-tips:last-child,.alternative-method:last-child{margin-bottom:0}.pro-tips h3,.alternative-method h3{color:var(--text-primary);font-size:1.25rem;font-weight:600;margin-bottom:var(--space-md);display:flex;align-items:center;gap:var(--space-xs)}.pro-tips h3:before{content:"💡";font-size:1.25rem}.alternative-method h3:before{content:"🔄";font-size:1.25rem}.pro-tips ul{list-style:none;padding:0}.pro-tips li{color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-md);padding-left:var(--space-lg);position:relative}.pro-tips li:last-child{margin-bottom:0}.pro-tips li:before{content:"→";position:absolute;left:0;color:var(--accent-color);font-weight:700}.pro-tips strong{color:var(--text-primary)}.alternative-method p{color:var(--text-secondary);line-height:1.6;margin:0}@media (max-width: 768px){.how-to-guide{padding:var(--space-lg)}.guide-title{font-size:1.75rem}.guide-subtitle{font-size:1rem}.step{flex-direction:column;text-align:center;gap:var(--space-sm)}.step-number{align-self:center}.steps-container{gap:var(--space-md)}}@media (max-width: 480px){.step,.pro-tips,.alternative-method{padding:var(--space-md)}.pro-tips li{padding-left:var(--space-md)}}.picker-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-lg);animation:fadeIn .2s ease-out}.picker-modal{background:var(--surface);border-radius:24px;width:100%;max-width:900px;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-xl);border:1px solid var(--border-light);animation:slideUp .3s ease-out;position:relative;overflow:hidden}.picker-modal:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient);border-radius:24px 24px 0 0}.picker-header{padding:var(--space-xl);text-align:center;border-bottom:1px solid var(--border-light);position:relative}.picker-header h2{font-size:1.875rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-sm)}.picker-header p{color:var(--text-secondary);font-size:1.125rem;margin:0}.close-btn{position:absolute;top:var(--space-lg);right:var(--space-lg);width:40px;height:40px;border:none;background:#ef44441a;border-radius:50%;color:var(--error);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.close-btn:hover{background:#ef444433;transform:scale(1.05)}.picker-controls{padding:var(--space-lg) var(--space-xl);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-light);background:#6366f105}.select-all-btn{background:var(--accent-color);color:#fff;border:none;border-radius:12px;padding:var(--space-sm) var(--space-md);font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:var(--space-xs)}.select-all-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.count{font-size:.875rem;opacity:.8}.selection-count{font-weight:600}.selected-text{color:var(--accent-color)}.no-selection{color:var(--text-light)}.picker-grid{padding:var(--space-lg);display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--space-md);max-height:60vh;overflow-y:auto;flex:1}.picker-item{cursor:pointer;border-radius:16px;transition:all .2s ease;position:relative}.picker-item:hover{transform:scale(1.02)}.picker-item.selected .item-preview{border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f133}.item-preview{position:relative;aspect-ratio:1;border-radius:12px;border:3px solid var(--border-light);overflow:hidden;background:var(--background);transition:all .2s ease}.item-preview img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}.picker-item:hover .item-preview img{transform:scale(1.05)}.item-type{position:absolute;top:8px;left:8px;background:#000000b3;color:#fff;padding:4px 8px;border-radius:8px;font-size:.875rem;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.selection-indicator{position:absolute;top:8px;right:8px}.checkbox{width:24px;height:24px;border:2px solid white;border-radius:6px;background:#00000080;display:flex;align-items:center;justify-content:center;transition:all .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.picker-item.selected .checkbox{background:var(--accent-color);border-color:var(--accent-color)}.picker-footer{padding:var(--space-lg) var(--space-xl);border-top:1px solid var(--border-light);display:flex;justify-content:space-between;gap:var(--space-md);background:var(--background)}.cancel-btn{background:#6b72801a;color:var(--text-secondary);border:1px solid var(--border-main);border-radius:12px;padding:var(--space-md) var(--space-lg);font-weight:600;cursor:pointer;transition:all .2s ease}.cancel-btn:hover{background:#6b728033;color:var(--text-primary)}.download-selected-btn{background:var(--primary-gradient);color:#fff;border:none;border-radius:12px;padding:var(--space-md) var(--space-lg);font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:var(--space-xs);min-width:160px;justify-content:center}.download-selected-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.download-selected-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.download-selected-btn.downloading{background:var(--secondary-gradient)}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(50px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.picker-modal-overlay{padding:var(--space-sm)}.picker-modal{max-height:95vh}.picker-header{padding:var(--space-lg)}.picker-header h2{font-size:1.5rem}.picker-controls{padding:var(--space-md) var(--space-lg);flex-direction:column;gap:var(--space-sm);align-items:stretch}.picker-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--space-sm);padding:var(--space-md)}.picker-footer{padding:var(--space-md) var(--space-lg);flex-direction:column}.close-btn{top:var(--space-md);right:var(--space-md)}}@media (max-width: 480px){.picker-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.download-selected-btn{min-width:auto}}:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--accent-color: #6366f1;--accent-hover: #4f46e5;--text-primary: #1f2937;--text-secondary: #6b7280;--text-light: #9ca3af;--background: #fafafa;--surface: #ffffff;--surface-elevated: #ffffff;--border-light: #e5e7eb;--border-main: #d1d5db;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--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);--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 4rem}*{box-sizing:border-box;margin:0;padding:0}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}body{background:var(--background);background-image:radial-gradient(at 40% 20%,hsla(228,100%,74%,.05) 0px,transparent 50%),radial-gradient(at 80% 0%,hsla(189,100%,56%,.05) 0px,transparent 50%),radial-gradient(at 0% 50%,hsla(355,100%,93%,.05) 0px,transparent 50%),radial-gradient(at 80% 50%,hsla(340,100%,76%,.05) 0px,transparent 50%),radial-gradient(at 0% 100%,hsla(22,100%,77%,.05) 0px,transparent 50%),radial-gradient(at 80% 100%,hsla(242,100%,70%,.05) 0px,transparent 50%),radial-gradient(at 0% 0%,hsla(343,100%,76%,.05) 0px,transparent 50%);min-height:100vh;color:var(--text-primary)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--border-main);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-light)}::selection{background-color:var(--accent-color);color:#fff}:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}