:root{--primary-color: #0071e3;--primary-hover: #0077ed;--secondary-color: #34c759;--accent-color: #ff9500;--text-primary: #1d1d1f;--text-secondary: #86868b;--text-muted: #6e6e73;--background: #f5f5f7;--card-background: #ffffff;--border-color: #e8e8ed;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--chip-image: #0071e3;--chip-video: #af52de;--chip-audio: #ff9500}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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16px;border:none;background:transparent;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);color:var(--text-secondary);text-decoration:none}.nav-link:hover{background:#0000000d;color:var(--text-primary)}.nav-link.active{background:#0071e31a;color:var(--primary-color)}.nav-icon{font-size:18px;display:inline-flex;align-items:center}.nav-icon svg{display:block}.nav-text{font-size:14px;font-weight:500}.app-content{flex:1;padding:24px 20px}.page-container{max-width:800px;margin:0 auto}.app-content--with-sidebar{display:flex;gap:16px;align-items:flex-start}.page-container--with-sidebar{flex:1;max-width:none;min-width:0}.material-sidebar{width:260px;flex-shrink:0;background:var(--surface, #fff);border:1px solid var(--border, rgba(0,0,0,.08));border-radius:12px;padding:12px;position:sticky;top:24px;max-height:calc(100vh - 120px);display:flex;flex-direction:column;box-shadow:0 1px 3px #0000000a;transition:width .2s ease,padding .2s 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#00000014}.sidebar-filters{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.sidebar-filter{background:none;border:1px solid var(--border, rgba(0,0,0,.1));border-radius:12px;cursor:pointer;font-size:11px;padding:3px 10px;color:var(--text-secondary);transition:all .15s}.sidebar-filter.active{background:var(--primary-color, #0071e3);border-color:var(--primary-color, #0071e3);color:#fff}.sidebar-content{flex:1;overflow-y:auto;min-height:120px}.sidebar-loading,.sidebar-error,.sidebar-empty{text-align:center;font-size:12px;color:var(--text-secondary);padding:24px 8px;line-height:1.6}.sidebar-empty-hint{font-size:11px;opacity:.7}.sidebar-list{display:flex;flex-direction:column;gap:4px}.sidebar-item{display:flex;align-items:center;gap:8px;padding:6px;border-radius:8px;cursor:pointer;transition:background .15s}.sidebar-item:hover{background:var(--hover-bg, rgba(0,0,0,.05))}.sidebar-item-thumb{width:40px;height:40px;border-radius:6px;overflow:hidden;flex-shrink:0;background:var(--hover-bg, 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var(--transition-normal);background:#0071e305}.upload-area:hover{border-color:var(--primary-color);background:#0071e30d}.upload-area.dragging{border-color:var(--primary-color);background:#0071e31a;transform:scale(1.01)}.upload-icon-wrapper{margin-bottom:12px}.upload-icon{font-size:48px;opacity:.6}.upload-label{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.upload-action{font-size:14px;color:var(--text-secondary)}.supported-types{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}.type-badge{display:inline-flex;align-items:center;gap:4px;padding:6px 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var(--transition-fast)}.material-item:hover{background:#0000000f;box-shadow:var(--shadow-sm)}.material-preview{width:100%;height:140px;background:#0000000d;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.preview-image,.preview-video{width:100%;height:100%;object-fit:cover}.video-play-badge{position:absolute;bottom:8px;right:8px;width:28px;height:28px;border-radius:50%;background:#0009;color:#fff;display:flex;align-items:center;justify-content:center;font-size:10px;pointer-events:none}.audio-preview{flex-direction:column;gap:8px;padding:12px}.audio-icon-large{font-size:36px;opacity:.7}.audio-icon-large .audio-wave-icon-preview{width:36px;height:36px;color:#ff9500b3}.preview-audio{width:100%;height:32px}.preview-placeholder{font-size:36px;opacity:.4}.preview-placeholder-icon{width:36px;height:36px;color:#0006}.material-item .material-info{padding:8px 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var(--transition-fast)}.library-select-btn:hover{border-color:var(--primary-color);color:var(--primary-color);background:#0071e30d}.library-select-btn:disabled{opacity:.5;cursor:not-allowed}.material-library-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.material-library-modal-selector{width:100%;max-width:900px;max-height:85vh;background:var(--card-background);border-radius:var(--radius-xl);overflow:hidden;display:flex;flex-direction:column}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-color)}.modal-header h3{font-size:18px;font-weight:600;color:var(--text-primary)}.modal-close-btn{width:32px;height:32px;border:none;border-radius:50%;background:#0000000d;color:var(--text-secondary);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.modal-toolbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border-color)}.modal-filters{display:flex;gap:8px}.modal-filter-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:transparent;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.modal-filter-btn:hover{border-color:#0071e34d}.modal-filter-btn.active{border-color:var(--primary-color);background:#0071e314;color:var(--primary-color)}.modal-refresh-btn{padding:8px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:transparent;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.modal-refresh-btn:hover:not(:disabled){border-color:var(--primary-color);color:var(--primary-color)}.modal-refresh-btn:disabled{opacity:.5;cursor:not-allowed}.modal-content{flex:1;overflow-y:auto;padding:20px 24px}.modal-loading,.modal-empty,.modal-error{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;color:var(--text-secondary)}.modal-loading .loading-spinner,.modal-empty .empty-icon,.modal-error .error-icon{margin-bottom:12px}.modal-empty .empty-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.modal-empty .empty-desc{font-size:14px;color:var(--text-muted)}.modal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.modal-grid-item{position:relative;display:flex;flex-direction:column;padding:0;background:#00000008;border-radius:var(--radius-md);overflow:hidden;cursor:pointer;transition:all var(--transition-fast);border:2px solid 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var(--transition-fast)}.modal-action-btn.cancel{color:var(--text-secondary)}.modal-action-btn.cancel:hover{background:#0000000d}.modal-action-btn.confirm{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.modal-action-btn.confirm:hover:not(:disabled){background:var(--primary-hover)}.modal-action-btn:disabled{opacity:.5;cursor:not-allowed}.prompt-input{width:100%}.prompt-textarea{width:100%;min-height:120px;padding:16px;border:1px solid var(--border-color);border-radius:var(--radius-lg);font-family:inherit;font-size:14px;line-height:1.6;resize:vertical;transition:all var(--transition-fast);background:var(--card-background)}.prompt-textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #0071e31a}.prompt-textarea::placeholder{color:var(--text-muted)}.quick-prompts{margin-top:12px}.quick-label{font-size:13px;color:var(--text-secondary);margin-bottom:8px}.quick-buttons{display:flex;flex-wrap:wrap;gap:8px}.quick-btn{padding:6px 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var(--transition-normal);text-align:center}.model-card:hover{border-color:#0071e34d;background:#0071e305}.model-card.selected{border-color:var(--primary-color);background:#0071e314}.model-name{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.model-desc{font-size:12px;color:var(--text-secondary)}.model-check{position:absolute;top:8px;right:8px;width:20px;height:20px;border-radius:50%;background:var(--primary-color);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center}.ratio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.ratio-card{padding:16px 8px;border:2px solid var(--border-color);border-radius:var(--radius-lg);background:transparent;cursor:pointer;transition:all 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var(--transition-fast)}.image-model-btn:hover{border-color:var(--primary-color)}.image-model-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.image-size-row{display:flex;flex-wrap:wrap;gap:6px}.image-size-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;font-size:12px;color:var(--text-primary);background:var(--card-background);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.image-size-btn:hover{border-color:var(--primary-color)}.image-size-btn .size-icon{font-size:13px}.image-size-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.image-feed{margin-top:24px;display:flex;flex-direction:column;gap:16px}.image-feed-empty{text-align:center;padding:48px 16px;color:var(--text-secondary)}.image-feed-empty .placeholder-icon{font-size:40px;margin-bottom:8px}.image-feed-empty .placeholder-text{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.image-feed-empty .placeholder-hint{font-size:12px}.image-feed-card{background:var(--card-background);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast)}.image-feed-card--processing{border-color:#0071e359}.image-feed-card--failed{border-color:#ff3b3059}.image-feed-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px}.feed-prompt{font-size:13px;line-height:1.5;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;min-width:0}.image-feed-card-meta{display:flex;gap:6px;flex-shrink:0;flex-wrap:wrap;justify-content:flex-end}.feed-badge{font-size:11px;padding:3px 8px;border-radius:999px;background:var(--bg-elevated, #f5f5f7);color:var(--text-secondary);white-space:nowrap}.feed-badge--size{background:#0071e314;color:var(--primary-color)}.feed-ref-summary{font-size:11px;color:var(--text-secondary);margin-bottom:8px;display:flex;gap:6px;flex-wrap:wrap}.feed-ref-tag{white-space:nowrap}.image-feed-card-body{margin:4px 0}.image-feed-card-body .image-preview-container{margin:8px 0;max-width:100%}.image-feed-card-body .generated-image{max-height:560px}.feed-submitting{display:flex;align-items:center;gap:8px;padding:16px 4px;font-size:13px;color:var(--text-secondary)}.feed-spinner{width:14px;height:14px;border:2px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:feed-spin .8s linear infinite}@keyframes feed-spin{to{transform:rotate(360deg)}}.feed-error{padding:10px 12px;font-size:12px;color:#ff3b30;background:#ff3b300f;border-radius:var(--radius-sm)}.feed-card-error{margin-top:6px}.feed-tos-line{font-size:11px;color:var(--text-secondary);margin-top:6px}.feed-tos-line .tos-link{color:var(--primary-color)}.image-feed-card-actions{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border-color);flex-wrap:wrap}.image-feed-card-actions .action-btn{flex:0 0 auto;padding:5px 10px;font-size:12px;color:var(--text-primary);background:var(--bg-elevated, #f5f5f7);border:1px solid var(--border-color);border-radius:var(--radius-sm)}.image-feed-card-actions .action-btn:hover:not(:disabled){border-color:var(--primary-color);color:var(--primary-color);background:#0071e30d}.image-feed-card-actions .action-btn:disabled{opacity:.5;cursor:not-allowed}.image-feed-card-actions .delete-btn:hover:not(:disabled){border-color:#ff3b30;color:#ff3b30;background:#ff3b300d}.feed-time{margin-left:auto;font-size:11px;color:var(--text-muted, #6e6e73)}@media (max-width: 640px){.image-generator-page{padding:4px 0 32px}.image-feed-card-header{flex-direction:column}.image-feed-card-meta{justify-content:flex-start}}.nav-org-switcher{display:flex;align-items:center;gap:12px}.account-menu{position:relative}.account-menu-trigger{display:flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border:none;border-radius:var(--radius-lg);background:transparent;cursor:pointer;transition:all var(--transition-normal);color:var(--text-secondary)}.account-menu-trigger:hover,.account-menu-trigger--open{background:#0000000d}.account-menu-trigger:hover .account-menu-username{color:var(--text-primary)}.account-menu-avatar{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color, #0071e3),var(--accent-color, #ff9500));color:#fff;font-size:13px;font-weight:600;flex-shrink:0}.account-menu-avatar--lg{width:44px;height:44px;font-size:18px}.account-menu-username{font-size:14px;font-weight:500;color:var(--text-secondary, #86868b);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-menu-caret{font-size:10px;color:var(--text-secondary, #86868b)}.account-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;z-index:1000;min-width:220px;padding:6px;background:var(--card-background, #fff);border:1px solid var(--border-color, #e8e8ed);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.account-menu-header{display:flex;align-items:center;gap:10px;padding:8px 10px}.account-menu-header-info{min-width:0}.account-menu-header-name{font-size:14px;font-weight:600;color:var(--text-primary, #1d1d1f)}.account-menu-header-role{font-size:12px;color:var(--text-secondary, #86868b)}.account-menu-divider{height:1px;background:var(--border-color, #e8e8ed);margin:4px 0}.account-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:none;background:transparent;font-size:14px;color:var(--text-primary, #1d1d1f);cursor:pointer;border-radius:var(--radius-sm);text-align:left;transition:background var(--transition-fast)}.account-menu-item:hover{background:#0000000d}.account-menu-item-icon{font-size:14px;width:18px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.account-menu-item--danger{color:#ff3b30}.account-page{max-width:680px;margin:0 auto;padding:24px 20px 60px}.account-page-title{font-size:26px;font-weight:600;color:var(--text-primary, #1d1d1f);margin:0 0 20px}.account-card{background:var(--card-background, #fff);border:1px solid var(--border-color, #e8e8ed);border-radius:16px;padding:20px;margin-bottom:16px}.account-card-title{font-size:15px;font-weight:600;color:var(--text-primary, #1d1d1f);margin-bottom:14px}.account-card-subtitle{font-size:13px;font-weight:400;color:var(--text-secondary, #86868b)}.account-info-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}.account-info-name{font-size:18px;font-weight:600;color:var(--text-primary, #1d1d1f);margin-bottom:4px}.account-role-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;background:var(--bg-elevated, #f5f5f7);color:var(--text-secondary, #86868b)}.account-role-badge--admin{background:#0071e31a;color:var(--primary-color, #0071e3)}.account-info-row{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-top:1px solid var(--border-color, #e8e8ed)}.account-info-label{font-size:13px;color:var(--text-secondary, #86868b);min-width:72px;flex-shrink:0;padding-top:2px}.account-info-value{font-size:13px;color:var(--text-primary, #1d1d1f)}.account-info-orgs{display:flex;flex-wrap:wrap;gap:6px}.account-info-empty{font-size:13px;color:var(--text-secondary, #86868b)}.account-org-chip{font-size:12px;padding:3px 8px;border-radius:8px;background:var(--bg-elevated, #f5f5f7);color:var(--text-primary, #1d1d1f)}.account-org-chip--current{background:#0071e31a;color:var(--primary-color, #0071e3)}.account-balance-amount{font-size:32px;font-weight:600;color:var(--text-primary, #1d1d1f);line-height:1.2}.account-balance-unit{font-size:14px;font-weight:400;color:var(--text-secondary, #86868b);margin-left:4px}.account-balance-meta{font-size:13px;color:var(--text-secondary, #86868b);margin-top:6px}.account-balance-models{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.account-balance-model-tag{font-size:11px;padding:2px 8px;border-radius:8px;background:var(--bg-elevated, #f5f5f7);color:var(--text-primary, #1d1d1f)}.account-balance-empty{font-size:14px;color:var(--text-secondary, #86868b);padding:8px 0}.account-balance-empty--error{color:#ff3b30}.account-txn-list{margin-top:16px;border-top:1px solid var(--border-color, #e8e8ed)}.account-txn-item{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border-color, #e8e8ed);font-size:12px}.account-txn-icon{width:18px;display:inline-flex;align-items:center;justify-content:center}.account-txn-reason{color:var(--text-primary, #1d1d1f);flex:1}.account-txn-delta{color:#ff3b30;font-variant-numeric:tabular-nums}.account-txn-delta--pos{color:#34c759}.account-txn-time{color:var(--text-secondary, #86868b);font-size:11px}.account-pw-form{display:flex;flex-direction:column;gap:14px}.account-pw-hint{margin:4px 0 0;font-size:12px;color:var(--text-secondary, #86868b);text-align:center}@media (max-width: 768px){.account-menu-username{display:none}}