:root{--brand-primary: #d4af37;--brand-primary-dark: #c19a6b;--brand-primary-light: #e5c76a;--brand-secondary: #2d3748;--brand-accent: #c19a6b;--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;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--surface-primary: #ffffff;--surface-secondary: #fefdfb;--surface-elevated: #ffffff;--background: #f8f7f4;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--text-inverse: #ffffff;--shadow-flat: 0 1px 3px 0 rgba(0, 0, 0, .08);--shadow-border: 0 0 0 1px rgba(0, 0, 0, .05);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--max-content-width: 1280px;--sidebar-width: 280px;--navbar-height: 56px;--subnav-height: 0px}*{box-sizing:border-box;margin:0;padding:0}html{width:100%;min-height:100vh;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:var(--background);color:var(--text-primary);width:100%;min-height:100vh;line-height:1.6}.app-wrapper{display:flex;flex-direction:column;min-height:100vh;width:100%;background:var(--background)}.app-container{display:flex;flex-direction:row;width:100%;height:calc(100vh - var(--navbar-height) - var(--subnav-height));overflow:hidden}.left-panel{flex:1;display:flex;flex-direction:column;overflow-y:auto;border-right:2px solid var(--gray-200);background:var(--surface-secondary);position:relative}.editor-footer{position:absolute;bottom:0;left:0;right:0;padding:var(--space-3);display:flex;align-items:center;justify-content:center;font-size:.6875rem;color:var(--gray-400);z-index:10}.footer-text{font-weight:400}.right-panel{width:340px;display:flex;flex-direction:column;background:var(--surface-primary);overflow:hidden}.chat-header{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center;background:var(--surface-secondary);flex-shrink:0;animation:contentFadeIn .3s cubic-bezier(.4,0,.2,1)}.chat-header-title{font-size:.75rem;font-weight:700;color:var(--text-primary);letter-spacing:.05em}.chat-header-actions{display:flex;align-items:center;gap:var(--space-2)}.settings-icon-button{width:32px;height:32px;border-radius:var(--radius-full);background:transparent;border:1px solid var(--gray-200);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;color:var(--gray-600)}.settings-icon-button:hover{background:var(--gray-100);border-color:var(--brand-primary);color:var(--brand-primary)}.settings-icon-button .material-icons-round{font-size:18px}.clear-chat-button{padding:4px var(--space-3);background:transparent;border:1px solid var(--gray-200);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.6875rem;font-weight:600;cursor:pointer;transition:all .2s ease}.clear-chat-button:hover{background:var(--error);color:#fff;border-color:var(--error)}.chat-history{flex:1;overflow-y:auto;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);-webkit-overflow-scrolling:touch;scroll-behavior:smooth}.chat-history::-webkit-scrollbar{width:6px}.chat-history::-webkit-scrollbar-track{background:transparent}.chat-history::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:var(--radius-full)}.chat-history::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}.chat-message{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);background:var(--surface-secondary);border:1px solid var(--gray-200);animation:slideInChat .3s ease}@keyframes slideInChat{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message-prompt{font-size:.875rem;color:var(--text-primary);font-weight:500;line-height:1.5;word-wrap:break-word}.chat-message-timestamp{font-size:.6875rem;color:var(--text-tertiary);font-weight:500}.chat-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:var(--space-8);color:var(--text-secondary)}.chat-empty-icon{width:64px;height:64px;background:var(--gray-100);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-4)}.chat-empty-icon .material-icons-round{font-size:32px;color:var(--gray-400)}.chat-empty-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-2)}.chat-empty-description{font-size:.875rem;color:var(--text-secondary);max-width:300px}.navbar{display:flex;justify-content:space-between;align-items:center;height:var(--navbar-height);padding:0 var(--space-6);background:var(--surface-primary);border-bottom:1px solid var(--gray-200);position:sticky;top:0;left:0;right:0;z-index:1000;gap:var(--space-6)}.navbar-brand{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0;cursor:pointer;transition:opacity .2s ease;min-width:100px}.navbar-brand:hover{opacity:.7}.navbar-logo{height:32px;width:auto;object-fit:contain}.navbar-nav{display:none}.sub-navbar{display:flex;justify-content:center;align-items:center;flex:1;max-width:280px}.sub-nav-tabs{display:inline-flex;background:var(--gray-100);border-radius:var(--radius-full);padding:3px;gap:3px;position:relative;border:1px solid var(--gray-200)}.nav-tab{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:6px var(--space-5);border:none;background:transparent;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:.8125rem;font-weight:600;color:var(--text-secondary);position:relative;white-space:nowrap;border-radius:var(--radius-full);z-index:1;transform:scale(1)}.nav-tab:hover:not(.active){color:var(--text-primary);background:#00000008}.nav-tab.active{color:var(--text-primary);background:var(--surface-primary);box-shadow:0 1px 3px #00000014,0 1px 2px #0000000f;transform:scale(1.02)}.nav-tab .material-icons-round{font-size:18px;transition:transform .3s cubic-bezier(.4,0,.2,1)}.nav-tab.active .material-icons-round{transform:scale(1.05)}.nav-tab-text{font-size:.8125rem;font-weight:600}.navbar-right{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0;min-width:100px;justify-content:flex-end}.account-button{position:relative;width:36px;height:36px;border-radius:var(--radius-full);background:var(--gray-100);border:1px solid var(--gray-200);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.account-button:hover{background:var(--gray-200);border-color:var(--brand-primary)}.account-button .material-icons-round{color:var(--gray-600);font-size:20px}.credits-badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;background:var(--brand-primary);color:#fff;font-size:10px;font-weight:700;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;padding:0 4px;border:1.5px solid var(--surface-primary)}.main-content{flex:1;overflow-y:auto;padding:var(--space-6);position:relative;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;height:100%}.main-content>*{animation:contentFadeIn .3s cubic-bezier(.4,0,.2,1)}@keyframes contentFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.edit-section{background:var(--surface-elevated);overflow:hidden;width:100%;max-width:100%;height:100%;display:flex;flex-direction:column}.image-preview-container{background:var(--surface-secondary);border-radius:var(--radius-xl);overflow:hidden;flex:1;display:flex;justify-content:center;align-items:center;position:relative;max-height:calc(100vh - var(--navbar-height) - 120px)}.preview-image-wrapper{position:relative;width:100%;height:100%;max-height:100%;display:flex;justify-content:center;align-items:center}.preview-image{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;transition:all .3s ease;border-radius:var(--radius-xl);border:2px solid var(--gray-200)}.preview-image.loading-blur{filter:blur(8px) brightness(.9);transition:filter .3s ease}.clear-image-button{position:absolute;top:var(--space-4);right:var(--space-4);width:36px;height:36px;border-radius:var(--radius-full);background:#111827cc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .2s ease;color:#fff}.clear-image-button:hover{background:#111827f2;transform:scale(1.1)}.clear-image-button .material-icons-round{font-size:20px}.welcome-cta{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;padding:var(--space-12);text-align:center;background:var(--brand-secondary);position:relative;overflow:hidden;border-radius:var(--radius-xl);border:3px solid var(--brand-primary)}.welcome-content{max-width:500px;position:relative;z-index:1}.welcome-icon{width:64px;height:64px;margin:0 auto var(--space-5);background:#d4af3726;border:2px solid var(--brand-primary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center}.welcome-icon .material-icons-round{font-size:36px;color:var(--brand-primary)}.welcome-title{font-size:2rem;font-weight:800;color:#fff;margin:0 0 var(--space-4) 0;line-height:1.2;letter-spacing:-.025em}.welcome-subtitle{font-size:1.125rem;color:#ffffffe6;margin:0 0 var(--space-8) 0;font-weight:400;line-height:1.6}.welcome-actions{display:flex;flex-direction:column;gap:var(--space-3);width:100%}.welcome-button{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-4) var(--space-6);border-radius:var(--radius-xl);font-size:1rem;font-weight:600;border:none;cursor:pointer;transition:all .2s ease;width:100%}.welcome-button.primary{background:var(--brand-primary);color:#fff}.welcome-button.primary:hover{background:var(--brand-primary-dark)}.welcome-button.secondary{background:#ffffff1a;color:#fff;border:2px solid rgba(255,255,255,.3)}.welcome-button.secondary:hover{background:#fff3;border-color:#ffffff80}.welcome-button.tertiary{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.3)}.welcome-button.tertiary:hover{background:#ffffff1a;border-color:#ffffff80}.welcome-button .material-icons-round{font-size:24px}.gallery-view{padding:0;width:100%;height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column}.gallery-pick-header{background:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-primary-dark) 100%);color:#fff;padding:var(--space-4) var(--space-6);text-align:center;animation:slideDown .3s ease}.pick-header-content{display:flex;align-items:center;justify-content:center;gap:var(--space-2);font-size:.9375rem;font-weight:600}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-4);padding:var(--space-6);width:100%}.gallery-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-12);min-height:400px}.gallery-loading-spinner{width:48px;height:48px;border:4px solid var(--gray-200);border-top-color:var(--brand-primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:var(--space-4)}.gallery-loading-text{color:var(--text-secondary);font-size:.9375rem;font-weight:500;margin:0}.gallery-item{position:relative;overflow:hidden;aspect-ratio:1;width:100%;cursor:pointer;background:var(--surface-elevated);transition:all .25s cubic-bezier(.4,0,.2,1);border-radius:var(--radius-md);border:1px solid var(--gray-200)}.gallery-item:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to bottom,transparent 0%,rgba(0,0,0,.3) 100%);opacity:0;transition:opacity .25s ease;pointer-events:none}.gallery-item:hover:after{opacity:1}.gallery-item:hover{transform:translateY(-2px);border-color:var(--brand-primary)}.gallery-img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s cubic-bezier(.4,0,.2,1)}.gallery-item:hover .gallery-img{transform:scale(1.05)}.video-indicator{position:absolute;top:8px;right:8px;background:#000000b3;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;z-index:2;transition:all .2s ease}.video-indicator .material-icons-round{color:#fff;font-size:18px;margin-left:2px}.gallery-item:hover .video-indicator{background:#d4af37e6;transform:scale(1.1)}.video-gallery-view{padding:20px;height:100%;overflow-y:auto}.video-gallery-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:200px;gap:16px}.video-gallery-loading-spinner{width:40px;height:40px;border:4px solid var(--gray-200);border-top-color:var(--brand-primary);border-radius:50%;animation:spin 1s linear infinite}.video-gallery-loading-text{color:var(--gray-600);font-size:16px;margin:0}.empty-video-gallery{display:flex;flex-direction:column;align-items:center;justify-content:center;height:300px;gap:16px;color:var(--gray-500)}.empty-video-gallery .material-icons-round{font-size:64px;color:var(--gray-300)}.empty-video-gallery p{margin:0;font-size:18px;font-weight:500}.empty-gallery-hint{font-size:14px!important;color:var(--gray-400)!important;text-align:center;max-width:300px}.video-gallery-header{margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}.video-gallery-actions{display:flex;gap:8px;align-items:center}.video-gallery-title{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:600;color:var(--text-primary)}.bulk-upload-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--brand-primary);color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.bulk-upload-button:hover:not(:disabled){background:var(--brand-primary-dark);transform:translateY(-1px)}.bulk-upload-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.bulk-upload-button .button-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.manual-sync-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--gray-100);color:var(--text-primary);border:1px solid var(--gray-300);border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.manual-sync-button:hover:not(:disabled){background:var(--gray-200);border-color:var(--gray-400);transform:translateY(-1px)}.manual-sync-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.manual-sync-button .button-spinner{width:16px;height:16px;border:2px solid rgba(0,0,0,.3);border-top-color:var(--text-primary);border-radius:50%;animation:spin 1s linear infinite}.bulk-upload-status{margin-bottom:16px;padding:12px 16px;background:#f0f9ff;border:1px solid #0ea5e9;border-radius:6px;color:#0c4a6e;font-size:14px;font-weight:500;animation:slideIn .3s ease-out}.video-gallery-title .material-icons-round{font-size:24px;color:var(--brand-primary)}.video-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.video-gallery-item{position:relative;overflow:hidden;aspect-ratio:16/9;width:100%;cursor:pointer;background:var(--surface-elevated);transition:all .25s cubic-bezier(.4,0,.2,1);border-radius:var(--radius-md);border:1px solid var(--gray-200)}.video-gallery-item:hover{transform:translateY(-2px);border-color:var(--brand-primary)}.video-gallery-video{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s cubic-bezier(.4,0,.2,1)}.video-gallery-item:hover .video-gallery-video{transform:scale(1.05)}.video-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to bottom,transparent 0%,rgba(0,0,0,.3) 100%);opacity:0;transition:opacity .25s ease;pointer-events:none;display:flex;align-items:center;justify-content:center}.video-gallery-item:hover .video-overlay{opacity:1}.video-play-indicator{background:#000000b3;border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.video-play-indicator .material-icons-round{color:#fff;font-size:24px}.video-gallery-item:hover .video-play-indicator{background:#d4af37e6;transform:scale(1.1)}.retry-upload-button{position:absolute;top:8px;left:8px;background:#ef4444e6;border:none;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;z-index:3}.retry-upload-button:hover{background:#dc2626;transform:scale(1.1)}.retry-upload-button .material-icons-round{color:#fff;font-size:18px}.delete-video-button{position:absolute;top:8px;right:8px;background:#ef4444e6;border:none;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;z-index:3}.delete-video-button:hover{background:#dc2626;transform:scale(1.1)}.delete-video-button .material-icons-round{color:#fff;font-size:18px}.video-lightbox-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.video-lightbox-modal{width:min(960px,92vw);background:#fff;border-radius:12px;box-shadow:0 10px 30px #0003;overflow:hidden;display:flex;flex-direction:column}.video-lightbox-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--gray-200)}.video-lightbox-title{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text-primary)}.video-lightbox-title .material-icons-round{color:var(--brand-primary)}.video-lightbox-content{background:#000;display:flex;align-items:center;justify-content:center}.video-lightbox-player{width:100%;height:auto;max-height:70vh}.video-lightbox-actions{display:flex;justify-content:flex-end;gap:10px;padding:12px 16px;border-top:1px solid var(--gray-200);background:#fafafa}.video-lightbox-actions .lightbox-action{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:8px;border:1px solid var(--gray-200);background:#fff;cursor:pointer;transition:transform .15s ease,background .15s ease}.video-lightbox-actions .lightbox-action:hover{transform:translateY(-1px);background:#f8f8f8}.video-lightbox-actions .lightbox-action.danger{border-color:#ef4444;color:#ef4444}.video-gallery-item.sync-failed{border-color:var(--error)}.video-gallery-item.sync-failed:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#ef44441a;pointer-events:none;z-index:1}.ios-bottom-container{position:relative;width:100%;background:var(--surface-primary);border-top:2px solid var(--gray-200);flex-shrink:0}.suggestions-section{background:var(--surface-secondary);padding:var(--space-2) var(--space-4) var(--space-3);border-bottom:1px solid var(--gray-200);max-height:140px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--gray-300) transparent}.suggestions-section::-webkit-scrollbar{width:4px}.suggestions-section::-webkit-scrollbar-track{background:transparent}.suggestions-section::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:var(--radius-full)}@keyframes slideDown{0%{opacity:0;max-height:0;padding-top:0;padding-bottom:0}to{opacity:1;max-height:140px;padding-top:var(--space-2);padding-bottom:var(--space-3)}}.suggestions-chips{display:flex;flex-wrap:wrap;gap:var(--space-2);padding:var(--space-1) 0}.suggestion-chip{flex-shrink:0;background:var(--surface-primary);padding:6px var(--space-3);border:1px solid var(--gray-200);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;color:var(--gray-700)}.suggestion-chip:hover:not(:disabled){border-color:var(--brand-primary);color:var(--brand-primary);background:#d4af370d}.suggestion-chip:active:not(:disabled){background:var(--brand-primary);color:#fff;border-color:var(--brand-primary)}.ios-input-bar{display:flex;align-items:flex-end;gap:var(--space-3);padding:var(--space-3) var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom));background:transparent}.input-wrapper{flex:1;min-width:0;display:flex;align-items:center;position:relative}.ios-input{width:100%;max-height:100px;padding:9px var(--space-4);background:var(--surface-primary);border:2px solid var(--gray-200);border-radius:var(--radius-2xl);font-size:.875rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:500;color:var(--gray-800);resize:none;overflow-y:auto;transition:all .2s ease;line-height:1.4;min-height:40px}.ios-input::placeholder{color:var(--gray-400);font-weight:400;font-size:.8125rem}.ios-input:focus{outline:none;border-color:var(--brand-primary);background:var(--surface-primary)}.ios-input:disabled{background:var(--gray-50);color:var(--gray-400);cursor:not-allowed;opacity:.6;border-color:var(--gray-200)}.send-button{flex-shrink:0;width:40px;height:40px;border-radius:var(--radius-full);background:var(--brand-primary);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;color:#fff}.send-button:hover:not(:disabled){background:var(--brand-primary-dark)}.send-button:active:not(:disabled){background:var(--brand-primary-dark);transform:scale(.95)}.send-button.disabled,.send-button:disabled{background:var(--gray-300);cursor:not-allowed;opacity:.5}.send-button .material-icons-round{font-size:20px}.spinner-small{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:var(--radius-full);animation:spin .6s linear infinite}.bottom-action-bar-wrapper{width:100%;background:var(--surface-primary);border-top:1px solid var(--gray-200);transition:all .3s cubic-bezier(.4,0,.2,1);padding:0}.bottom-action-bar{padding:var(--space-4);overflow:hidden;background:var(--surface-secondary);border-radius:var(--radius-xl);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;z-index:1001;border:1px solid var(--gray-200)}.click-handle{height:24px;cursor:pointer;display:flex;justify-content:center;align-items:center;padding:var(--space-2) 0;position:relative;z-index:1002}.arrow-icon{font-size:20px;color:var(--gray-400);transition:all .3s ease;background:var(--surface-primary);border-radius:var(--radius-full);width:28px;height:28px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200)}.arrow-icon:hover{color:var(--brand-primary);transform:scale(1.1);box-shadow:var(--shadow-md)}.suggested-prompts{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:var(--space-2);margin:var(--space-3) 0;padding:0 var(--space-1) var(--space-2);scrollbar-width:thin;scrollbar-color:var(--gray-300) transparent}.suggested-prompts::-webkit-scrollbar{height:6px}.suggested-prompts::-webkit-scrollbar-track{background:transparent}.suggested-prompts::-webkit-scrollbar-thumb{background-color:var(--gray-300);border-radius:var(--radius-full)}.prompt-chip{background:var(--surface-primary);border:1px solid var(--gray-200);padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);font-size:.875rem;font-weight:500;color:var(--text-secondary);box-shadow:var(--shadow-sm);cursor:pointer;transition:all .2s ease;white-space:nowrap}.prompt-chip:hover{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.prompt-chip:disabled{opacity:.5;cursor:not-allowed}.action-input-group{display:flex;flex-direction:column;gap:var(--space-3);width:100%;padding:var(--space-2);margin:var(--space-3) 0}.prompt-input{font-family:inherit;font-size:.9375rem;line-height:1.5;padding:var(--space-3) var(--space-4);border-radius:var(--radius-xl);border:2px solid var(--gray-200);background:var(--surface-primary);width:100%;min-height:48px;resize:none;overflow-y:auto;max-height:120px;transition:all .2s ease;box-shadow:var(--shadow-sm)}.prompt-input:focus{outline:none;border-color:var(--brand-primary);box-shadow:0 0 0 3px #6366f11a}.prompt-input:disabled{background:var(--gray-100);color:var(--text-tertiary);cursor:not-allowed;opacity:.6}.primary-action-button{background:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-primary-dark) 100%);font-size:1rem;color:#fff;border:none;padding:var(--space-4) var(--space-6);border-radius:var(--radius-xl);font-weight:600;display:flex;align-items:center;justify-content:center;gap:var(--space-2);width:100%;transition:all .2s ease;margin:var(--space-2) 0;cursor:pointer;box-shadow:var(--shadow-md)}.primary-action-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.primary-action-button:active{transform:scale(.98)}.fab-container{position:absolute;bottom:var(--space-6);right:var(--space-6);z-index:900;display:flex;flex-direction:column;align-items:flex-end;gap:var(--space-3)}.fab-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#11182766;z-index:899;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease}.fab-main{width:60px;height:60px;border-radius:var(--radius-full);background:var(--brand-primary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;position:relative}.fab-main:hover{background:var(--brand-primary-dark);transform:scale(1.05)}.fab-main:active{transform:scale(.95)}.fab-main.expanded{background:var(--gray-700);transform:rotate(45deg)}.fab-icon{color:#fff;font-size:28px;transition:transform .3s cubic-bezier(.4,0,.2,1)}.fab-main.expanded .fab-icon{transform:rotate(-45deg)}.fab-actions{display:flex;flex-direction:column;gap:var(--space-3);animation:slideUp .3s cubic-bezier(.4,0,.2,1)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fab-action-button{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-5);background:var(--surface-primary);border:2px solid var(--gray-200);border-radius:var(--radius-full);cursor:pointer;transition:all .2s ease;white-space:nowrap}.fab-action-button:hover{border-color:var(--brand-primary);transform:translateY(-2px)}.fab-action-button .material-icons-round{font-size:24px}.fab-action-button.camera-action .material-icons-round{color:var(--brand-primary)}.fab-action-button.upload-action .material-icons-round{color:var(--success)}.fab-action-button.gallery-action .material-icons-round{color:var(--brand-secondary)}.fab-action-label{font-size:.875rem;font-weight:600;color:var(--text-primary)}.compare-button{position:absolute;bottom:var(--space-6);left:var(--space-6);display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);background:var(--brand-secondary);border:2px solid var(--brand-secondary);border-radius:var(--radius-full);color:#fff;font-size:.875rem;font-weight:600;cursor:pointer;z-index:900;transition:all .2s ease}.compare-button:hover{background:var(--gray-800);border-color:var(--brand-primary)}.compare-button.active{background:var(--brand-primary);border-color:var(--brand-primary)}.image-loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#111827f2;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-2xl)}.progress-wrapper{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);max-width:320px;width:90%}.progress-text{color:#fff;font-size:4rem;font-weight:200;font-variant-numeric:tabular-nums;letter-spacing:-.05em;line-height:1}.progress-container{width:100%;height:8px;background:#ffffff1a;border-radius:var(--radius-full);overflow:hidden;position:relative}.progress-bar{height:100%;background:linear-gradient(90deg,var(--brand-primary) 0%,var(--brand-primary-light) 100%);border-radius:var(--radius-full);transition:width .3s ease-out;box-shadow:0 0 12px #6366f199}.loading-text{color:#ffffffb3;font-size:.9375rem;font-weight:400;text-align:center}.cancel-processing-button{margin-top:var(--space-6);padding:var(--space-2) var(--space-5);background:transparent;color:#fff9;border:1px solid rgba(255,255,255,.2);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;border-radius:var(--radius-full)}.cancel-processing-button:hover{color:#fff;border-color:#ffffff80;background:#ffffff1a}.spinner{width:24px;height:24px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:var(--radius-full);animation:spin .8s linear infinite}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#111827fa;z-index:99999;display:flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.lightbox-transform-wrapper{width:100%;height:100%;display:flex;justify-content:center;align-items:center;position:relative;z-index:1;padding:var(--space-12) var(--space-8)}.lightbox-image-container{max-width:100%;max-height:100%;display:flex;align-items:center;justify-content:center}.lightbox-image{max-width:95vw;max-height:90vh;width:auto;height:auto;object-fit:contain;border-radius:var(--radius-lg)}.lightbox-close{position:absolute;top:var(--space-6);right:var(--space-6);width:48px;height:48px;background:#fff3;color:#fff;border:2px solid rgba(255,255,255,.3);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100000;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all .2s ease}.lightbox-close:hover{background:#ffffff59;border-color:#ffffff80;transform:scale(1.1)}.lightbox-close:active{transform:scale(.95)}.lightbox-close .material-icons-round{font-size:24px}.lightbox-controls{position:absolute;bottom:var(--space-8);left:50%;transform:translate(-50%);display:flex;gap:var(--space-3);background:#111827cc;padding:var(--space-3) var(--space-5);border-radius:var(--radius-full);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100000;box-shadow:var(--shadow-xl);border:1px solid rgba(255,255,255,.1)}.lightbox-control-button{background:transparent;border:none;color:#fff;width:40px;height:40px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.lightbox-control-button:hover{background:#ffffff26;transform:scale(1.1)}.lightbox-nav-button{position:absolute;top:50%;transform:translateY(-50%);background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-full);width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100001;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all .2s ease}.lightbox-nav-button:hover{background:#ffffff40;transform:translateY(-50%) scale(1.1)}.lightbox-nav-button:active{transform:translateY(-50%) scale(.95)}.lightbox-nav-button .material-icons-round{font-size:28px}.lightbox-nav-left{left:var(--space-6)}.lightbox-nav-right{right:var(--space-6)}.lightbox-save-status{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#111827e6;color:#fff;padding:var(--space-4) var(--space-6);border-radius:var(--radius-xl);font-size:.9375rem;font-weight:600;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100002;animation:saveStatusFadeIn .3s ease-out;text-align:center;max-width:80%;box-shadow:0 8px 24px #0006}.lightbox-save-status.success{background:#10b981f2}.lightbox-save-status.error{background:#ef4444f2}@keyframes saveStatusFadeIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.9)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@media (max-width: 768px){.lightbox-nav-button{width:40px;height:40px}.lightbox-nav-button .material-icons-round{font-size:24px}.lightbox-nav-left{left:var(--space-3)}.lightbox-nav-right{right:var(--space-3)}.lightbox-close{display:flex;width:44px;height:44px;top:var(--space-4);right:var(--space-4)}.lightbox-transform-wrapper{padding:var(--space-8) var(--space-4)}.lightbox-image{max-width:92vw;max-height:85vh}}.delete-confirmation-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#111827b3;display:flex;justify-content:center;align-items:center;z-index:10000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .3s ease}.delete-confirmation-content{background:var(--surface-primary);border-radius:var(--radius-2xl);padding:var(--space-6);width:90%;max-width:420px;box-shadow:0 20px 60px #0000004d;animation:modalAppear .3s cubic-bezier(.4,0,.2,1)}.delete-confirmation-title{font-size:1.125rem;font-weight:700;margin-bottom:var(--space-4);color:var(--text-primary)}.delete-confirmation-message{margin-bottom:var(--space-6);color:var(--text-secondary);line-height:1.6;font-size:.9375rem}.delete-confirmation-buttons{display:flex;justify-content:flex-end;gap:var(--space-3)}.delete-confirmation-button{padding:var(--space-3) var(--space-5);border-radius:var(--radius-lg);font-weight:600;font-size:.875rem;cursor:pointer;transition:all .2s ease;border:none}.delete-confirmation-button.cancel{background:var(--gray-100);color:var(--text-primary);border:1px solid var(--gray-200)}.delete-confirmation-button.cancel:hover{background:var(--gray-200)}.delete-confirmation-button.confirm{background:var(--error);color:#fff}.delete-confirmation-button.confirm:hover{background:#dc2626}.delete-confirmation-button:active{transform:scale(.97)}.action-sheet-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#11182799;z-index:100002;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .3s ease}.action-sheet{position:fixed;bottom:0;left:50%;transform:translate(-50%);max-width:600px;width:100%;background:transparent;z-index:100003;padding:var(--space-2);padding-bottom:calc(var(--space-2) + env(safe-area-inset-bottom));animation:slideUpSheet .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;gap:var(--space-2)}.action-sheet-button{width:100%;background:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:none;border-radius:var(--radius-xl);padding:var(--space-4);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.action-sheet-button:hover{background:#fff}.action-sheet-button:active{opacity:.7;transform:scale(.98)}.action-sheet-button.destructive{color:var(--error);font-weight:600}.action-sheet-button.cancel{color:var(--brand-primary);font-weight:700}@media (min-width: 769px){.action-sheet-backdrop{display:flex;align-items:center;justify-content:center;padding:var(--space-6)}.action-sheet{position:fixed;bottom:auto;left:50%;top:50%;transform:translate(-50%,-50%);max-width:420px;width:90%;background:var(--surface-primary);border-radius:var(--radius-2xl);padding:var(--space-6);box-shadow:0 20px 60px #0000004d;animation:modalAppear .3s cubic-bezier(.4,0,.2,1);gap:var(--space-3)}.action-sheet-button{background:var(--gray-100);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-5);font-size:.875rem}.action-sheet-button.destructive{background:var(--error);color:#fff;border-color:var(--error);font-weight:600}.action-sheet-button.destructive:hover{background:#dc2626}.action-sheet-button.cancel{background:var(--surface-primary);color:var(--text-primary);border:1px solid var(--gray-200);font-weight:600}.action-sheet-button.cancel:hover{background:var(--gray-100)}@keyframes modalAppear{0%{opacity:0;transform:translate(-50%,-50%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}}.bottom-sheet-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#11182799;z-index:998;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .3s ease}.bottom-sheet{position:fixed;bottom:0;left:50%;transform:translate(-50%);max-width:600px;width:100%;background:var(--surface-primary);border-radius:var(--radius-2xl) var(--radius-2xl) 0 0;z-index:999;max-height:70vh;display:flex;padding-bottom:var(--space-6);flex-direction:column;animation:slideUpSheet .3s cubic-bezier(.4,0,.2,1)}@media (min-width: 769px){.bottom-sheet-backdrop{display:flex;align-items:center;justify-content:center;padding:var(--space-6)}.bottom-sheet{position:fixed;bottom:auto;left:50%;top:50%;transform:translate(-50%,-50%);max-width:520px;width:90%;border-radius:var(--radius-2xl);max-height:80vh;padding-bottom:var(--space-6);animation:modalAppear .3s cubic-bezier(.4,0,.2,1);box-shadow:0 20px 60px #0000004d}@keyframes modalAppear{0%{opacity:0;transform:translate(-50%,-50%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}}.bottom-sheet-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-6) var(--space-6) var(--space-4);border-bottom:1px solid var(--gray-200)}.bottom-sheet-header h3{margin:0;font-size:1.125rem;font-weight:700;color:var(--text-primary)}.bottom-sheet-close{width:36px;height:36px;border-radius:var(--radius-full);background:var(--gray-100);border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:all .2s ease}.bottom-sheet-close:hover{background:var(--gray-200);transform:scale(1.1)}.bottom-sheet-content{padding:var(--space-6);overflow-y:auto;flex:1}.setting-group{margin-bottom:0}.setting-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-2)}.setting-label{font-size:.9375rem;font-weight:600;color:var(--text-primary)}.setting-value{font-size:.875rem;font-weight:700;color:var(--brand-primary);min-width:40px;text-align:right}.setting-description{font-size:.8125rem;color:var(--text-secondary);margin:0 0 var(--space-4);line-height:1.5}.setting-slider{width:100%;height:6px;border-radius:var(--radius-full);background:var(--gray-200);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.setting-slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:var(--radius-full);background:var(--brand-primary);cursor:pointer;box-shadow:var(--shadow-md);transition:transform .2s ease}.setting-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.setting-slider::-moz-range-thumb{width:20px;height:20px;border-radius:var(--radius-full);background:var(--brand-primary);cursor:pointer;box-shadow:var(--shadow-flat);transition:transform .2s ease;border:none}.setting-slider::-moz-range-thumb:hover{transform:scale(1.2)}.slider-labels{display:flex;justify-content:space-between;margin-top:var(--space-2);font-size:.75rem;color:var(--text-tertiary);font-weight:500}.toggle-switch-modern{position:relative;display:inline-block;width:52px;height:28px;flex-shrink:0}.toggle-switch-modern input{opacity:0;width:0;height:0}.toggle-slider-modern{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--gray-300);transition:.3s;border-radius:var(--radius-full)}.toggle-slider-modern:before{position:absolute;content:"";height:22px;width:22px;left:3px;bottom:3px;background:#fff;transition:.3s;border-radius:var(--radius-full);box-shadow:var(--shadow-sm)}.toggle-switch-modern input:checked+.toggle-slider-modern{background:var(--brand-primary)}.toggle-switch-modern input:checked+.toggle-slider-modern:before{transform:translate(24px)}.camera-screen-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000fa;z-index:9999;display:flex;flex-direction:column}.camera-video{width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .5s ease}.camera-video.ready{opacity:1}.camera-ui{position:absolute;bottom:var(--space-12);left:0;right:0;display:flex;justify-content:center;align-items:center;z-index:10000}.capture-photo-button{background:#ffffff1a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:none;border-radius:var(--radius-full);padding:var(--space-3);box-shadow:var(--shadow-xl);transition:all .2s ease;cursor:pointer}.shutter-circle{width:72px;height:72px;border-radius:var(--radius-full);background:#fff;border:6px solid rgba(255,255,255,.4);transition:transform .2s ease}.capture-photo-button:active .shutter-circle{transform:scale(.9)}.close-camera-button{position:absolute;top:var(--space-6);right:var(--space-6);background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.2);width:44px;height:44px;border-radius:var(--radius-full);box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;display:flex;justify-content:center;align-items:center;z-index:10000;transition:all .2s ease}.close-camera-button:hover{background:#ffffff40}@media (max-width: 768px){:root{--navbar-height: 52px;--space-8: 1.5rem}.navbar{padding:0 var(--space-3);gap:var(--space-3)}.navbar-brand{min-width:60px}.navbar-logo{height:26px}.sub-navbar{max-width:240px;flex:1}.nav-tab{padding:5px var(--space-3);gap:4px}.nav-tab-text{font-size:.75rem}.nav-tab .material-icons-round{font-size:16px}.navbar-right{min-width:60px}.account-button{width:32px;height:32px}.account-button .material-icons-round{font-size:18px}.credits-badge{min-width:16px;height:16px;font-size:9px;top:-3px;right:-3px}.app-container{flex-direction:column;height:auto}.left-panel{border-right:none;border-bottom:2px solid var(--gray-200);min-height:60vh}.right-panel{width:100%;min-height:40vh}.main-content{padding:var(--space-4)}.image-preview-container{max-height:calc(60vh - 80px)}.editor-footer{font-size:.625rem;padding:var(--space-2)}.suggestions-chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.suggestions-chips::-webkit-scrollbar{display:none}.suggestions-section{overflow-y:visible;max-height:none}.gallery-grid{grid-template-columns:repeat(3,1fr);gap:3px;padding:var(--space-2)}.gallery-item{border-radius:var(--radius-sm);border:none}.gallery-item:hover{transform:none;box-shadow:none}.fab-container{display:none}.compare-button{position:absolute;bottom:60px;left:50%;transform:translate(-50%);padding:var(--space-2) var(--space-4);font-size:.8125rem;gap:6px}.compare-button .material-icons-round{font-size:18px}.welcome-icon{width:56px;height:56px;margin:0 auto var(--space-4)}.welcome-icon .material-icons-round{font-size:32px}.welcome-title{font-size:1.5rem}.welcome-subtitle{font-size:1rem}}@media (min-width: 769px) and (max-width: 1023px){.navbar{padding:0 var(--space-6);gap:var(--space-4)}.navbar-logo{height:30px}.sub-navbar{max-width:260px}.nav-tab{padding:6px var(--space-4);gap:6px}.nav-tab-text{font-size:.8125rem}.right-panel{width:320px}.suggestions-chips{flex-wrap:wrap}.fab-container{display:flex;position:absolute}.compare-button{position:absolute;bottom:var(--space-6);left:var(--space-6);transform:none}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--space-3);padding:var(--space-4)}}@media (min-width: 1024px){.navbar{padding:0 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var(--space-12)}.right-panel{width:400px}.chat-history{padding:var(--space-6)}.image-preview-container{max-height:calc(100vh - var(--navbar-height) - 80px)}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--space-4);padding:var(--space-8)}}.hide{display:none!important}.gallery-tab{display:none}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.material-icons-round{font-family:Material Icons Round;font-weight:400;font-style:normal;font-size:24px;display:inline-block;line-height:1;text-transform:none;letter-spacing:normal;word-wrap:normal;white-space:nowrap;direction:ltr;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-moz-osx-font-smoothing:grayscale;font-feature-settings:"liga"}.language-switcher{background-color:#f9fafb;border-radius:.5rem}.language-select{width:100%;background-color:#fff;border:1px solid #e5e7eb;border-radius:.5rem;padding:.75rem;font-size:1rem;color:#1f2937;cursor:pointer;transition:all .2s ease}.language-select:hover{background-color:#f3f4f6;border-color:#d1d5db}.language-select:focus{outline:none;border-color:#007aff;box-shadow:0 0 0 2px #007aff33}@media (prefers-color-scheme: dark){.language-switcher{background-color:#374151}.language-select{background-color:#1f2937;border-color:#4b5563;color:#f9fafb}.language-select:hover{background-color:#4b5563;border-color:#6b7280}.language-select:focus{border-color:#0a84ff;box-shadow:0 0 0 2px #0a84ff4d}}.profile-sheet-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:1001;animation:fadeIn .3s ease}.profile-sheet{position:fixed;bottom:0;left:50%;transform:translate(-50%);max-width:600px;width:100%;background:#fff;border-radius:16px 16px 0 0;box-shadow:0 -4px 24px #00000026;z-index:1002;max-height:50vh;display:flex;flex-direction:column;animation:slideUpSheet .3s 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.language-name{color:#1a73e8;font-weight:500}.language-selection-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:1001;animation:fadeIn .3s ease}.language-selection-container{position:fixed;bottom:0;left:50%;transform:translate(-50%);max-width:600px;width:100%;background:#fff;border-radius:16px 16px 0 0;box-shadow:0 -4px 24px #00000026;z-index:1002;max-height:60vh;display:flex;flex-direction:column;animation:slideUpSheet .3s cubic-bezier(.4,0,.2,1);padding-bottom:20px}.language-selection-header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 16px;border-bottom:1px solid #e5e7eb;flex-shrink:0}.language-selection-header h2{margin:0;font-size:18px;font-weight:600;color:#1f2937}.close-button{width:32px;height:32px;border-radius:50%;background:transparent;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#6b7280;font-size:28px;line-height:1;transition:background 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ease;min-width:100px}.purchase-button:hover{background-color:#1557b0}.purchase-button:active{transform:scale(.98)}.purchase-button:disabled{opacity:.5;cursor:not-allowed}.purchase-button .material-icons-round{font-size:18px}.popular-badge{position:absolute;top:-2px;right:-2px;background:#1a73e8;color:#fff;padding:4px 10px;border-radius:0 10px;font-size:11px;font-weight:600}.featured-badge{position:absolute;top:-2px;right:-2px;background:#f59e0b;color:#fff;padding:4px 10px;border-radius:0 10px;font-size:11px;font-weight:600}.credit-modal-footer{margin-top:16px;padding-top:16px;border-top:1px solid #e5e7eb;display:flex;flex-direction:column;gap:12px}.secure-payment{display:flex;align-items:center;justify-content:center;gap:6px;color:#6b7280;font-size:13px;margin:0}.secure-payment .material-icons-round{color:#10b981;font-size:16px}.refund-policy{color:#9ca3af;font-size:12px;text-align:center;margin:0;line-height:1.4}.error-message{background-color:#fee2e2;color:#dc2626;padding:12px 16px;border-radius:10px;margin-bottom:16px;display:flex;align-items:center;gap:8px;font-size:14px}.error-message:before{content:"error";font-family:Material Icons Round;font-size:20px}.restore-purchases-button{background:#fff;border:none;color:#1a73e8;padding:12px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:12px;transition:all .2s ease;font-size:15px;font-weight:500}.restore-purchases-button:hover:not(:disabled){background-color:#f9fafb}.restore-purchases-button:active:not(:disabled){background-color:#f3f4f6}.restore-purchases-button:disabled{opacity:.5;cursor:not-allowed}.restore-purchases-button .material-icons-round{font-size:18px}@media screen and (max-width: 480px){.package-content{flex-direction:column;align-items:stretch;gap:12px}.purchase-button{width:100%}.credit-modal-content{max-height:90vh}}.sync-status-badge{position:absolute;bottom:8px;right:8px;display:flex;align-items:center;gap:4px;padding:6px 10px;border-radius:16px;font-size:12px;font-weight:500;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:10;pointer-events:none;box-shadow:0 2px 12px #0003;transition:all .3s ease}.sync-icon{font-size:14px!important}.sync-pending{background:#ff9800f2;color:#fff;border:1px solid rgba(255,255,255,.3)}.sync-pending .sync-icon{animation:pulse-icon 2s ease-in-out infinite}.sync-active{background:#2196f3f2;color:#fff;border:1px solid rgba(255,255,255,.3)}.sync-active .sync-icon{animation:rotate-icon 1.5s linear infinite}.sync-failed{background:#f44336f2;color:#fff;border:1px solid rgba(255,255,255,.3)}.sync-failed .sync-icon{animation:shake-icon .5s ease-in-out}.sync-synced{background:linear-gradient(135deg,#4caf50f2,#388e3cf2);color:#fff;animation:sync-success-appear .4s ease-out,fade-out-gentle 3s ease-out .5s forwards;box-shadow:0 2px 12px #4caf5066}.sync-synced .sync-icon{animation:check-pop .6s cubic-bezier(.175,.885,.32,1.275)}@keyframes pulse-icon{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.95)}}@keyframes rotate-icon{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes shake-icon{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-2px)}20%,40%,60%,80%{transform:translate(2px)}}@keyframes check-bounce{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}@keyframes check-pop{0%{transform:scale(0);opacity:0}50%{transform:scale(1.3) rotate(10deg)}70%{transform:scale(.9) rotate(-5deg)}to{transform:scale(1) rotate(0);opacity:1}}@keyframes sync-success-appear{0%{opacity:0;transform:scale(.8) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes fade-out{0%{opacity:1;transform:translateY(0)}80%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}@keyframes fade-out-gentle{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.9)}}.sync-progress-bar{position:fixed;top:0;left:0;right:0;height:3px;background:#2196f34d;z-index:1000}.sync-progress-fill{height:100%;background:linear-gradient(90deg,#2196f3,#64b5f6);transition:width .3s ease;box-shadow:0 0 10px #2196f380}.sync-toast{position:fixed;bottom:24px;right:24px;padding:12px 20px;border-radius:24px;background:#000000d9;color:#fff;display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;box-shadow:0 4px 16px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1001;animation:slide-in-right .3s ease-out,fade-out-toast 4s ease-out 2s forwards}.sync-toast .material-icons-round{font-size:20px}.sync-toast.success{background:#4caf50e6}.sync-toast.error{background:#f44336e6}@keyframes slide-in-right{0%{transform:translate(100px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes 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transparent}.account-tab.active{color:#1a73e8;border-bottom-color:#1a73e8;background:#fff}.account-tab .material-icons-round{font-size:20px}.account-sheet-content{padding:20px;overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}.current-balance{background:#f0f9ff;padding:16px;border-radius:12px;margin-bottom:20px;display:flex;align-items:center;gap:12px}.balance-icon{color:#1a73e8;font-size:32px}.balance-text{display:flex;flex-direction:column;gap:2px}.balance-label{font-size:13px;color:#6b7280}.balance-amount{font-size:24px;font-weight:600;color:#1a73e8}.account-error{background-color:#fee2e2;color:#dc2626;padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}.packages-list{display:flex;flex-direction:column;gap:12px}.package-card{position:relative;background:#f9fafb;border:2px solid #e5e7eb;border-radius:12px;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:all .2s}.package-card.popular{border-color:#1a73e8;background:#f0f9ff}.package-card.featured{border-color:#f59e0b;background:#fffbeb}.package-badge{position:absolute;top:-2px;right:-2px;background:#1a73e8;color:#fff;padding:4px 10px;border-radius:0 10px;font-size:11px;font-weight:600}.package-badge.featured{background:#f59e0b}.package-info{flex:1}.package-credits{font-size:17px;font-weight:600;color:#1f2937;margin-bottom:4px}.package-pricing{display:flex;align-items:baseline;gap:8px}.package-original-price{font-size:13px;color:#9ca3af;text-decoration:line-through}.package-price{font-size:18px;color:#1a73e8;font-weight:600}.package-savings{display:inline-block;background:#10b981;color:#fff;padding:2px 6px;border-radius:4px;font-size:11px;font-weight:600;margin-top:4px}.package-buy-button{background:#1a73e8;color:#fff;border:none;border-radius:10px;padding:10px 20px;font-size:14px;font-weight:500;cursor:pointer;transition:all 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