.sidebar{width:260px;height:100vh;max-height:100vh;background-color:#202123;color:#fff;display:flex;flex-direction:column;border-right:1px solid #444;position:relative;transition:width .3s ease;overflow:hidden}.sidebar.collapsed{width:50px}.sidebar-toggle{position:absolute;top:50%;transform:translateY(-50%);right:-12px;width:50px;height:48px;background-color:#343541cc;border:1px solid rgba(68,68,68,.5);border-radius:0 8px 8px 0;border-left:none;color:#fff9;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:10;transition:all .2s;font-size:12px}.sidebar-toggle:hover{background-color:#444654e6;color:#fffc;width:50px}.sidebar-export-section{padding:12px 16px;border-top:1px solid #444;display:flex;flex-direction:column;gap:8px}.export-btn{width:100%;color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}.export-btn .btn-icon{font-size:16px}.export-btn .btn-text{flex:1;text-align:center}.export-btn.download-all-btn{background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%)}.export-btn.download-all-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #6366f166}.export-btn.drive-export-btn{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15)}.export-btn.drive-export-btn:hover{background:rgba(255,255,255,.12);border-color:#ffffff40}.export-btn.drive-export-btn .drive-icon{flex-shrink:0}.sidebar-footer{flex-shrink:0;border-top:1px solid #444;background-color:#202123}.sidebar-user{display:flex;align-items:center;padding:12px 16px;gap:10px}.sidebar-user .user-avatar{width:32px;height:32px;border-radius:6px;object-fit:cover;flex-shrink:0}.sidebar-user .user-info{display:flex;flex-direction:column;flex:1;min-width:0}.sidebar-user .user-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff}.sidebar-user .user-email{font-size:11px;color:#8e8ea0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user .logout-btn{background:rgba(255,255,255,.1);border:none;color:#8e8ea0;cursor:pointer;padding:8px;border-radius:6px;transition:all .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-user .logout-btn:hover{background:rgba(255,255,255,.15);color:#fff}.sidebar-header{padding:16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #444}.sidebar-header h2{margin:0;font-size:16px;font-weight:500}.new-brief-btn{background-color:#4a4b51;color:#fff;border:1px solid #565869;border-radius:4px;padding:8px 12px;font-size:13px;cursor:pointer;transition:background-color .2s}.new-brief-btn:hover{background-color:#5a5b6a}.brief-list{flex:1;min-height:0;overflow-y:auto;padding:8px 0}.brief-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;cursor:pointer;border-radius:8px;margin:1px 8px;transition:background-color .15s;position:relative}.brief-item:hover{background-color:#2a2b32}.brief-item.active{background-color:#343541}.brief-item.active .brief-name{font-weight:500}.brief-item-content{flex:1;overflow:hidden}.brief-row{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%}.brief-name{font-size:14px;font-weight:400;color:#ececf1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}.brief-count{color:#9ca3af;font-size:13px;font-weight:400;margin-left:6px}.brief-count:before{content:"("}.brief-count:after{content:")"}.brief-timestamp{color:#9ca3af;font-size:12px;flex-shrink:0}.brief-actions{display:flex;align-items:center;opacity:0;transition:opacity .2s}.brief-item:hover .brief-actions{opacity:1}.brief-action{background:none;border:none;color:#8e8ea0;cursor:pointer;font-size:14px;padding:4px;margin-left:4px;border-radius:4px;transition:background-color .2s}.brief-action:hover{background-color:#444654}.brief-edit-input{width:100%;background-color:#40414f;color:#fff;border:1px solid #565869;border-radius:4px;padding:6px 8px;font-size:14px}.brief-edit-input:focus{outline:none;border-color:#6e6fa8}.empty-briefs-message{padding:16px;text-align:center;color:#8e8ea0;font-size:14px;font-style:italic}.conversation-style .brief-item{border-left:3px solid transparent;border-radius:0;margin:1px 0;padding:14px 16px}.conversation-style .brief-item.active{border-left-color:#10a37f;background-color:#2a2b32}.conversation-style .brief-name{display:flex;align-items:center}.conversation-style .brief-name:before{content:"💬";margin-right:8px;font-size:16px}.card-style .brief-list{padding:12px;display:grid;grid-template-columns:1fr;gap:8px}.card-style .brief-item{background-color:#2a2b32;border-radius:8px;padding:12px;margin:0;flex-direction:column;align-items:flex-start}.card-style .brief-item.active{background-color:#343541;box-shadow:0 0 0 2px #6e6fa8}.card-style .brief-actions{margin-top:8px;align-self:flex-end}@media (max-width: 768px){.sidebar{width:100%;height:auto;border-right:none;margin-bottom:1rem;position:relative}.brief-actions{opacity:1}.brief-creation-wrapper{width:auto}}@media (max-width: 320px){.sidebar{padding:.5rem;font-size:14px}.brief-creation-wrapper{width:100%}}.format-recommendations-container{margin-top:12px;display:grid;grid-template-columns:1fr;gap:8px}.format-recommendations-header{font-size:18px;font-weight:600;color:#fffffff2;margin-bottom:16px}.format-card{background-color:#ffffff0d;border-radius:6px;border:1px solid rgba(255,255,255,.1);box-shadow:0 1px 3px #0003;position:relative;width:100%;display:flex;flex-direction:row;align-items:center;overflow:hidden;height:40px;margin-bottom:0}.clickable-card{cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease}.clickable-card:hover{transform:translateY(-3px);box-shadow:0 4px 8px #0000004d;background-color:#ffffff14}.clickable-card:active{transform:translateY(-1px);box-shadow:0 2px 4px #0003}.format-card-content{padding:0 12px;position:relative;flex:1;display:flex;flex-direction:row;align-items:center;height:100%}.format-card-content:after,.format-card-content-no-line:after{display:none}.format-card-footer{padding:8px 15px 15px;display:flex;flex-direction:column;align-items:center;flex:1 0 auto;justify-content:flex-end}.visual-description{font-size:12px;color:#fff9;text-align:center;margin:15px 0 20px;font-style:italic;max-width:90%;line-height:1.3}.format-content{flex:1;display:flex;flex-direction:column;justify-content:center}.format-name{font-size:14px;font-weight:500;margin:0;color:#ffffffe6;text-align:left;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center}.format-emoji{margin-left:6px;font-size:16px}.format-description{font-size:14px;color:#ffffffb3;margin:0;line-height:1.4}.format-meta{display:flex;align-items:center}.format-category{background-color:#ffffff1a;color:#fffc;font-size:12px;padding:4px 10px;border-radius:16px}.generate-button{background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);color:#fff;border:none;padding:10px 20px;border-radius:20px;cursor:pointer;font-weight:500;font-size:15px;transition:all .2s ease;white-space:nowrap;min-width:120px;text-align:center;width:90%}.generate-button:hover{background:linear-gradient(135deg,#5558e3 0%,#7c4fe8 100%);box-shadow:0 4px 12px #6366f166}.no-recommendations{text-align:center;color:#fff9;padding:20px}.variation-context-bar{display:flex;align-items:center;gap:12px;padding:8px 12px;background-color:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:16px;font-size:14px;color:#fffc}.context-thumbnail{width:40px;height:40px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border-strong)}.context-text{flex:1;font-weight:500}.context-close{background:none;border:none;font-size:18px;color:#fff9;cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm);transition:var(--transition-normal)}.context-close:hover{background-color:var(--bg-hover);color:var(--text-primary)}.variation-selector-container{background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:12px 16px;max-width:100%;margin:8px 0;box-shadow:var(--shadow-lg)}.variation-header{margin-bottom:12px}.header-with-close{display:flex;justify-content:space-between;align-items:flex-start}.header-with-close>div{text-align:center;flex:1}.variation-header h3{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 2px}.variation-header p{color:#fff9;font-size:13px;margin:0}.multi-select-hint{color:#8b8ff8!important;font-size:12px!important;margin-top:4px!important;font-weight:500}.close-button{background:none;border:none;font-size:24px;line-height:1;color:#fff9;cursor:pointer;padding:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:var(--transition-normal);margin-left:8px}.close-button:hover{background-color:var(--bg-hover);color:var(--text-primary)}.combination-mode-toggle{margin:12px 0 8px;text-align:center;padding-top:8px;border-top:1px solid var(--border-default)}.mode-switch{display:inline-flex;align-items:center;cursor:pointer;padding:8px 16px;background:var(--bg-secondary);border-radius:24px;transition:var(--transition-normal);font-size:14px}.mode-switch:hover{background:var(--bg-active)}.mode-switch input[type=checkbox]{margin-right:8px;cursor:pointer}.mode-label{font-weight:500;color:#ffffffd9}.prompt-display{background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-sm);padding:16px;margin-bottom:24px}.prompt-display h4{margin:0 0 12px;font-size:14px;font-weight:600;color:var(--text-primary)}.prompt-text{font-family:Courier New,monospace;font-size:12px;line-height:1.5;color:var(--text-secondary);white-space:pre-wrap;word-wrap:break-word;margin:0;max-height:150px;overflow-y:auto;background:rgba(0,0,0,.2);padding:12px;border-radius:var(--radius-sm);border:1px solid var(--border-default)}.dimensions-list{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.dimension-section{background:var(--bg-primary);border-radius:var(--radius-sm);padding:8px 14px;border:1px solid var(--border-default);width:100%}.dimension-header{margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}.dimension-section h4{font-size:14px;font-weight:600;color:var(--text-primary);margin:0}.selection-count{font-size:12px;color:#8b8ff8;font-weight:500;background:var(--color-primary-20);padding:2px 8px;border-radius:var(--radius-lg)}.dimension-description{font-size:11px;color:var(--text-tertiary);margin:0}.dimension-subtitle{font-size:12px;color:#8b8ff8;font-weight:500;margin-bottom:8px;text-align:left}.options-list{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.option-chip{display:inline-flex;align-items:center;padding:8px 16px;border-radius:20px;border:2px solid var(--border-strong);background:var(--bg-primary);color:#ffffffd9;font-size:13px;font-weight:400;cursor:pointer;transition:var(--transition-normal);white-space:nowrap;outline:none;margin:0;position:relative;pointer-events:auto;-webkit-user-select:none;user-select:none}.option-chip:hover{border-color:var(--color-primary);background:rgba(var(--color-primary-rgb),.15);transform:translateY(-1px);box-shadow:var(--shadow-md)}.option-chip:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-30)}.option-chip.selected{background:var(--color-primary);color:#fff;border-color:var(--color-primary);font-weight:500;box-shadow:0 2px 6px var(--color-primary-40)}.option-chip.selected:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 3px 8px var(--color-primary-50)}.deselect-hint{margin-left:6px;opacity:.6;transition:var(--transition-normal);font-size:16px;font-weight:400;display:inline-flex;align-items:center}.option-chip.selected:hover .deselect-hint{opacity:1}@media (max-width: 600px){.option-chip{padding:6px 12px;font-size:12px}}.custom-input-section{margin-top:12px}.custom-changes-input{width:100%;padding:10px 12px;border:1px solid var(--border-strong);border-radius:var(--radius-md);font-size:13px;font-family:inherit;resize:vertical;min-height:50px;max-height:120px;background:var(--bg-primary);color:var(--text-primary);transition:var(--transition-normal)}.custom-changes-input:focus{outline:none;border-color:var(--color-primary);background:var(--bg-secondary);box-shadow:0 0 0 3px var(--color-primary-20)}.custom-changes-input::placeholder{color:var(--text-disabled);font-style:italic}.variation-actions{display:flex;justify-content:center;padding-top:12px;border-top:1px solid var(--border-default);margin-top:12px}.generate-variations-btn{padding:8px 20px;font-size:14px;font-weight:500;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:var(--transition-normal);background:var(--gradient-primary);color:#fff;min-width:140px}.generate-variations-btn:hover:not(:disabled){background:var(--gradient-primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px var(--color-primary-40)}.generate-variations-btn:disabled{background:var(--bg-hover);color:var(--text-disabled);cursor:not-allowed;transform:none;box-shadow:none}@media (max-width: 768px){.dimensions-list{grid-template-columns:1fr}.variation-selector-container{padding:20px}}.compact-dimensions{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px}.dimension-section.compact{padding:8px}.dimension-section.compact h4{font-size:14px;margin-bottom:4px}.dimension-section.compact .dimension-description{display:none}.dimension-section.compact .options-list{gap:2px}.dimension-section.compact .option-radio{padding:4px 8px;min-width:150px}.dimension-section.compact .option-label{font-size:13px}.variation-loading-indicator{display:flex;align-items:center;justify-content:center;gap:12px;padding:20px;background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);margin-top:16px;color:#fffc;font-size:14px}.variation-loading-indicator .loading-spinner{width:20px;height:20px;border-width:2px;border-color:var(--color-primary-30);border-top-color:var(--color-primary)}.cancel-generation-btn{background-color:#dc3545;color:#fff;padding:12px 24px;border:none;border-radius:var(--radius-sm);font-size:16px;font-weight:500;cursor:pointer;min-width:200px;transition:var(--transition-normal)}.cancel-generation-btn:hover{background-color:#c82333;transform:translateY(-1px);box-shadow:0 4px 12px #dc354566}.cancel-generation-btn:disabled{background-color:#dc3545;opacity:.6;cursor:not-allowed}.refresh-dimensions-container{margin-top:24px;padding-top:20px;border-top:1px solid var(--border-default);text-align:center}.refresh-dimensions-btn{padding:10px 20px;background-color:var(--bg-secondary);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:#fffc;font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition-normal);display:inline-flex;align-items:center;gap:8px}.refresh-dimensions-btn:hover:not(:disabled){background-color:var(--bg-active);border-color:var(--border-hover);color:var(--text-primary)}.refresh-dimensions-btn:disabled{opacity:.6;cursor:not-allowed}.spinner-small{width:14px;height:14px;border:2px solid var(--border-hover);border-top:2px solid rgba(255,255,255,.8);border-radius:var(--radius-full);animation:spin 1s linear infinite}.loading-more-indicator{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;margin:12px 0;background:linear-gradient(135deg,rgba(var(--color-primary-rgb),.15),rgba(139,143,248,.1));border:1px solid var(--color-primary-30);border-radius:var(--radius-md);color:#ffffffd9;font-size:13px}.loading-more-indicator .loading-spinner-small{width:16px;height:16px;border:2px solid var(--color-primary-30);border-top:2px solid #8b8ff8;border-radius:var(--radius-full);animation:spin 1s linear infinite}.video-mode{max-width:900px;margin:0 auto;padding:2rem}.video-mode .progress-steps{display:flex;justify-content:center;align-items:center;gap:.5rem;margin-bottom:2rem;padding:1rem;background:rgba(255,255,255,.05);border-radius:12px;border:1px solid rgba(255,255,255,.1)}.video-mode .progress-step{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:8px;color:#ffffff80;transition:all .2s}.video-mode .progress-step .step-number{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.1);font-size:14px;font-weight:600}.video-mode .progress-step .step-label{font-size:14px;font-weight:500}.video-mode .progress-step.active{color:#a78bfa}.video-mode .progress-step.active .step-number{background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);color:#fff}.video-mode .progress-step.completed{color:#22c55e}.video-mode .progress-step.completed .step-number{background:#22c55e;color:#fff}.video-mode .progress-step+.progress-step:before{content:"";width:40px;height:2px;background:rgba(255,255,255,.1);margin-right:.5rem}.video-mode .progress-step.active+.progress-step:before,.video-mode .progress-step.completed+.progress-step:before{background:#22c55e}.error-banner{display:flex;align-items:center;justify-content:space-between;padding:1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;margin-bottom:1.5rem;color:#dc2626}.error-banner button{padding:.25rem .75rem;background:transparent;border:1px solid #dc2626;border-radius:4px;color:#dc2626;cursor:pointer;font-size:13px}.error-banner button:hover{background:#dc2626;color:#fff}.step-content{background:white;border-radius:16px;box-shadow:0 4px 20px #00000014;overflow:hidden}.video-uploader{padding:2rem}.upload-zone{border:2px dashed #d1d5db;border-radius:12px;padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .2s;background:#f9fafb}.upload-zone:hover{border-color:#3b82f6;background:#eff6ff}.upload-zone.dragging{border-color:#3b82f6;background:#dbeafe}.upload-zone.uploading{cursor:default;pointer-events:none}.upload-icon{width:48px;height:48px;margin:0 auto 1rem;color:#9ca3af}.upload-icon svg{width:100%;height:100%}.upload-zone h3{font-size:18px;font-weight:600;color:#1f2937;margin-bottom:.5rem}.upload-zone p{color:#6b7280;margin-bottom:.25rem}.upload-zone .file-types{font-size:13px;color:#9ca3af}.progress-circle{position:relative;width:80px;height:80px}.progress-circle svg{transform:rotate(-90deg);width:100%;height:100%}.progress-circle .progress-bg{fill:none;stroke:#e5e7eb;stroke-width:3}.progress-circle .progress-fill{fill:none;stroke:#3b82f6;stroke-width:3;stroke-linecap:round;transition:stroke-dasharray .3s}.progress-circle .progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:16px;font-weight:600;color:#3b82f6}.upload-error{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:#fef2f2;border-radius:8px;margin-top:1rem;color:#dc2626;font-size:14px}.upload-error button{padding:.25rem .5rem;background:transparent;border:none;color:#dc2626;cursor:pointer;font-weight:600}.analyzing-state,.generating-state,.splicing-state,.applying-text-state{padding:4rem 2rem;text-align:center}.analyzing-spinner,.generating-spinner,.splicing-spinner{width:60px;height:60px;margin:0 auto 1.5rem;border:3px solid #e5e7eb;border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite}.analyzing-state h3,.generating-state h3,.splicing-state h3,.applying-text-state h3{font-size:20px;font-weight:600;color:#1f2937;margin-bottom:.5rem}.analyzing-state p,.generating-state p,.splicing-state p,.applying-text-state p{color:#6b7280}.upload-complete-state{padding:2rem}.upload-complete-state h3{font-size:20px;font-weight:600;color:#1f2937;margin-bottom:.25rem}.upload-complete-state>p{color:#6b7280;margin-bottom:1.5rem}.video-preview-container{margin-bottom:1.5rem}.upload-preview-video{width:100%;max-height:400px;border-radius:8px;background:#000}.text-overlay-badge{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:#eff6ff;border:1px solid #3b82f6;border-radius:8px;margin-bottom:1.5rem}.text-overlay-badge span{color:#1e40af;font-size:14px}.text-overlay-badge button{padding:.25rem .75rem;background:transparent;border:1px solid #3b82f6;border-radius:4px;color:#3b82f6;cursor:pointer;font-size:13px}.text-overlay-badge button:hover{background:#3b82f6;color:#fff}.upload-complete-actions{display:flex;justify-content:flex-end;gap:1rem}.text-edit-state{padding:2rem}.text-edit-state h3{font-size:20px;font-weight:600;color:#1f2937;margin-bottom:.25rem}.text-edit-state>p{color:#6b7280;margin-bottom:1.5rem}.analyzing-detail{font-size:13px;color:#9ca3af;margin-top:.5rem}.generation-steps{display:flex;flex-direction:column;align-items:center;gap:.75rem;margin-top:1.5rem;padding:1rem;background:#f9fafb;border-radius:8px;max-width:300px;margin-left:auto;margin-right:auto}.gen-step{display:flex;align-items:center;gap:.75rem;color:#9ca3af;font-size:14px}.gen-step.active{color:#3b82f6;font-weight:500}.gen-step.completed{color:#22c55e}.gen-icon{font-size:18px}.hook-analysis{padding:2rem}.analysis-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.analysis-header h3{font-size:20px;font-weight:600;color:#1f2937}.confidence-badge{font-size:14px;font-weight:500}.analysis-result{display:flex;flex-direction:column;gap:1.5rem}.timeline-visualization{background:#f9fafb;padding:1.5rem;border-radius:12px}.timeline-bar{display:flex;height:40px;border-radius:8px;overflow:hidden;margin-bottom:.5rem}.hook-segment{background:linear-gradient(135deg,#3b82f6,#6366f1);display:flex;align-items:center;justify-content:center;min-width:60px}.main-segment{background:linear-gradient(135deg,#10b981,#059669);display:flex;align-items:center;justify-content:center;flex:1}.segment-label{color:#fff;font-size:12px;font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,.2)}.timeline-markers{display:flex;justify-content:space-between;font-size:12px;color:#6b7280;padding:0 4px}.modularity-section{padding:1rem;background:#f9fafb;border-radius:8px}.modularity-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.modularity-label{font-weight:500;color:#4b5563}.modularity-badge{padding:.25rem .75rem;border-radius:4px;color:#fff;font-size:12px;font-weight:600}.recommendation{display:flex;align-items:center;gap:.5rem;font-size:14px}.recommendation svg{width:20px;height:20px}.recommendation.positive{color:#22c55e}.recommendation.negative{color:#f59e0b}.analysis-details{display:flex;flex-direction:column;gap:1rem}.detail-section h4{font-size:14px;font-weight:600;color:#4b5563;margin-bottom:.25rem}.detail-section p{font-size:14px;color:#6b7280;line-height:1.5}.reasoning-text{padding:.75rem;background:#f9fafb;border-radius:6px;border-left:3px solid #3b82f6}.duration-note{display:flex;align-items:flex-start;gap:.75rem;padding:1rem;background:#eff6ff;border-radius:8px}.duration-note svg{width:20px;height:20px;color:#3b82f6;flex-shrink:0;margin-top:2px}.duration-note p{font-size:14px;color:#1e40af;margin:0}.analysis-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1rem;padding-top:1rem;border-top:1px solid #e5e7eb}.hook-variation-selector{padding:2rem}.selector-header{margin-bottom:1.5rem}.selector-header h3{font-size:20px;font-weight:600;color:#1f2937;margin-bottom:.25rem}.selector-header p{color:#6b7280;font-size:14px}.variations-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.variation-card{padding:1.25rem;background:#f9fafb;border:2px solid transparent;border-radius:12px;cursor:pointer;transition:all .2s}.variation-card:hover:not(.disabled){border-color:#3b82f6;background:#eff6ff}.variation-card.selected{border-color:#3b82f6;background:#dbeafe}.variation-card{position:relative}.selection-badge{position:absolute;top:8px;right:8px;width:24px;height:24px;background:#3b82f6;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}.selection-count{display:inline-block;margin-left:8px;padding:4px 10px;background:#3b82f6;color:#fff;border-radius:12px;font-size:12px;font-weight:600}.variation-card.disabled{opacity:.5;cursor:not-allowed}.variation-icon{font-size:32px;margin-bottom:.75rem}.variation-card h4{font-size:16px;font-weight:600;color:#1f2937;margin-bottom:.5rem}.variation-description{font-size:13px;color:#6b7280;line-height:1.4;margin-bottom:.5rem}.variation-style{display:inline-block;padding:.25rem .5rem;background:#e5e7eb;border-radius:4px;font-size:11px;color:#4b5563;text-transform:uppercase;font-weight:500}.custom-variation{margin-bottom:1.5rem}.custom-toggle{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:14px;color:#4b5563;margin-bottom:.75rem}.custom-toggle input{width:18px;height:18px;cursor:pointer}.custom-input{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:14px;resize:vertical;font-family:inherit}.custom-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.duration-reminder{display:flex;align-items:center;gap:.75rem;padding:1rem;background:#f0fdf4;border-radius:8px;margin-bottom:1.5rem}.duration-reminder svg{width:24px;height:24px;color:#22c55e;flex-shrink:0}.duration-reminder span{font-size:14px;color:#166534}.selector-actions{display:flex;justify-content:flex-end;gap:1rem}.generation-info{margin-top:1.5rem;padding:1rem;background:#f9fafb;border-radius:8px}.generation-info p{font-size:14px;color:#4b5563;margin-bottom:.75rem}.generation-info ol{margin:0;padding-left:1.5rem;font-size:13px;color:#6b7280}.generation-info li{margin-bottom:.25rem}.preview-state{padding:2rem}.preview-state h3{font-size:20px;font-weight:600;color:#1f2937;margin-bottom:.25rem}.preview-state>p{color:#6b7280;margin-bottom:1.5rem}.preview-videos{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-bottom:1.5rem}.preview-video h4{font-size:14px;font-weight:600;color:#4b5563;margin-bottom:.75rem}.preview-video video{width:100%;max-height:400px;border-radius:8px;background:#000}.preview-info{padding:1rem;background:#f9fafb;border-radius:8px;margin-bottom:1.5rem}.preview-info p{font-size:14px;color:#4b5563;margin-bottom:.25rem}.preview-info p:last-child{margin-bottom:0}.preview-actions{display:flex;justify-content:flex-end;gap:1rem}.complete-state{padding:2rem;text-align:center}.success-icon{width:60px;height:60px;margin:0 auto 1rem;background:#22c55e;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700}.complete-state h3{font-size:24px;font-weight:600;color:#1f2937;margin-bottom:1.5rem}.final-video{margin-bottom:1.5rem}.final-video video{width:100%;max-height:500px;border-radius:12px;background:#000}.final-info{padding:1rem;background:#f9fafb;border-radius:8px;margin-bottom:1.5rem;text-align:left}.final-info p{font-size:14px;color:#4b5563;margin-bottom:.25rem}.final-info p:last-child{margin-bottom:0}.final-actions{display:flex;justify-content:center;gap:1rem}.btn-primary{padding:.75rem 1.5rem;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{padding:.75rem 1.5rem;background:white;color:#4b5563;border:1px solid #d1d5db;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s}.btn-secondary:hover:not(:disabled){background:#f9fafb;border-color:#9ca3af}.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.spinner-small{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.back-to-images{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 0;margin-bottom:1rem;color:#6b7280;font-size:14px;cursor:pointer;background:none;border:none;transition:color .2s}.back-to-images:hover{color:#3b82f6}@media (max-width: 768px){.video-mode{padding:1rem}.video-mode .progress-steps{flex-wrap:wrap;gap:.75rem}.video-mode .progress-step+.progress-step:before{display:none}.variations-grid{grid-template-columns:1fr}.preview-actions,.final-actions,.analysis-actions,.selector-actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%;justify-content:center}}.chat-interface{display:flex;flex-direction:column;height:100%;position:relative;overflow:hidden}.chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:1rem;margin-bottom:90px;background-color:#ffffff08;border-radius:var(--radius-md);box-shadow:0 1px 3px #0003;padding-bottom:20px}.messages-container{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:1rem;max-height:calc(100vh - 200px);padding-bottom:60px;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.2) transparent;-webkit-overflow-scrolling:touch;min-height:400px}.messages-container::-webkit-scrollbar{width:8px}.messages-container::-webkit-scrollbar-track{background:transparent}.messages-container::-webkit-scrollbar-thumb{background-color:#0003;border-radius:var(--radius-sm)}.message{max-width:95%;display:flex;flex-direction:column;overflow:visible;min-height:auto;height:auto}.message.user-message{align-self:flex-end}.message.assistant-message{align-self:flex-start}.message.system-message{align-self:center;max-width:90%;opacity:.8;font-style:italic}.message-content pre{white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word;overflow:visible;max-width:100%;background:transparent;border:none;padding:0;margin:8px 0;font-family:Monaco,Consolas,Courier New,monospace;font-size:13px;line-height:1.5;color:inherit;text-align:left}.message-content code{word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap;background:transparent;border:none;padding:0;font-family:Monaco,Consolas,Courier New,monospace;font-size:13px;color:inherit}.message.error-message{background-color:#fff0f0;border-left:4px solid #ff6b6b;padding:8px 12px;color:#d32f2f;font-size:.9em}.message.progress-message .message-content,.message.loading-message .message-content{background:linear-gradient(135deg,rgba(var(--color-primary-rgb),.15) 0%,rgba(168,85,247,.15) 100%);border-left:3px solid #8b5cf6;animation:pulse-glow 2s ease-in-out infinite}.message.progress-message .message-content strong,.message.loading-message .message-content strong{color:#a78bfa}.message-content{padding:.75rem 1rem;border-radius:18px;position:relative;box-shadow:0 1px 2px #0000001a;word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;white-space:pre-wrap;overflow:visible;max-width:100%;min-height:auto;height:auto;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}.message.user-message .message-content{background-color:#0084ff;color:#fff;border-bottom-right-radius:var(--radius-sm)}.message.assistant-message .message-content{background-color:var(--bg-hover);color:var(--text-primary);border-bottom-left-radius:var(--radius-sm)}.message.system-message .message-content{background-color:var(--bg-primary);color:var(--text-tertiary);border-radius:var(--radius-md);font-size:.9em}.message-content p{margin:0;line-height:1.4}.timestamp{font-size:11px;opacity:.7;margin-top:4px;display:block}.typing-indicator{display:flex;padding:8px 12px;background-color:var(--bg-hover);border-radius:18px;width:50px;justify-content:center}.typing-indicator span{height:8px;width:8px;background-color:#999;border-radius:var(--radius-full);display:block;margin:0 2px;animation:typing 1.4s infinite ease-in-out both}.typing-indicator span:nth-child(1){animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}.chat-input-container{display:flex;position:absolute;bottom:0;left:0;right:0;padding:15px;background-color:#0f0f1af2;border-top:1px solid var(--border-default);align-items:flex-end;z-index:10;min-height:70px;gap:10px}.chat-input{flex:1;padding:10px 15px;border:1px solid var(--border-strong);border-radius:20px;font-size:14px;outline:none;min-height:40px;max-height:120px;resize:none;font-family:inherit;line-height:1.5;overflow-y:auto;background-color:var(--bg-primary);color:var(--text-primary)}.chat-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px rgba(var(--color-primary-rgb),.2)}.send-button{padding:10px 15px;background-color:var(--color-primary);color:#fff;border:none;border-radius:20px;cursor:pointer;font-weight:500;transition:var(--transition-normal);height:40px;display:flex;align-items:center;justify-content:center;white-space:nowrap}.send-button:hover{background-color:var(--color-primary-hover)}.send-button:disabled{background-color:#ccc;cursor:not-allowed}.numbered-items{margin-top:12px;display:flex;flex-direction:column;gap:8px}.numbered-item{margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;background-color:rgba(var(--color-primary-rgb),.05);border-radius:var(--radius-md);padding:10px 14px;box-shadow:0 1px 3px #0000000d;transition:var(--transition-normal)}.numbered-item:hover{background-color:rgba(var(--color-primary-rgb),.08);box-shadow:0 2px 5px #00000014}.numbered-item-header{display:flex;align-items:flex-start;gap:10px}.numbered-item .number{font-weight:600;color:var(--color-primary);min-width:20px;font-size:.95em}.numbered-item .text{line-height:1.4}.numbered-item .text{flex:1}.apply-button{background-color:#4a90e2;color:#fff;border:none;border-radius:var(--radius-sm);padding:4px 10px;font-size:12px;cursor:pointer;transition:var(--transition-normal)}.apply-button:hover{background-color:#3a7bc8}.apply-button:disabled{background-color:#ccc;cursor:not-allowed}.consolidated-apply-container{display:flex;justify-content:flex-end;margin-top:12px}.consolidated-apply-button{background-color:var(--color-primary);color:#fff;border:none;border-radius:20px;padding:8px 16px;font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition-normal);box-shadow:0 2px 4px #0000001a}.consolidated-apply-button:hover{background-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 8px #00000026}.consolidated-apply-button:disabled{background-color:#ccc;cursor:not-allowed;transform:none;box-shadow:none}.format-recommendations-header{margin-top:16px;margin-bottom:12px;text-align:center;font-size:18px;color:var(--text-primary);width:100%}.format-recommendations-container{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;width:100%}.suggestion-buttons{display:flex;flex-direction:column;align-items:center;margin-top:20px;margin-bottom:10px}.suggestion-buttons.top-position,.mode-switcher.top-position{margin:0 0 15px;background-color:var(--bg-primary);border:1px solid var(--border-default);padding:12px;border-radius:var(--radius-md);width:100%;box-shadow:0 1px 3px #0003}.suggestion-button{background-color:var(--color-primary);color:#fff;border:none;border-radius:20px;padding:10px 20px;font-size:15px;font-weight:500;cursor:pointer;transition:var(--transition-normal);box-shadow:0 2px 4px #0000001a;display:flex;align-items:center;gap:8px}.suggestion-button:hover{background-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 8px #00000026}.mode-switcher{display:flex;flex-direction:column;align-items:center;background-color:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px;text-align:center}.welcome-text{font-size:18px;text-align:center;margin-bottom:16px;color:var(--text-primary);font-weight:500}.mode-buttons{display:flex;gap:12px;justify-content:center;width:100%}.mode-button{background-color:var(--bg-hover);color:#fffc;border:1px solid rgba(255,255,255,.15);border-radius:24px;padding:12px 24px;font-size:15px;font-weight:500;cursor:pointer;transition:var(--transition-normal);display:flex;align-items:center;gap:8px;flex:1;justify-content:center;max-width:200px}.mode-button:hover:not(.active){background-color:#ffffff26}.mode-button.active{background-color:#5d87ff;color:#fff}.mode-button:disabled{opacity:.6;cursor:not-allowed}.mode-button.active:hover{background-color:var(--color-primary-hover)}.suggestion-button:disabled{background-color:#ccc;cursor:not-allowed;transform:none;box-shadow:none}.suggestion-button .icon{font-size:16px}.suggestion-hint{font-size:13px;color:#ffffff80;margin-top:6px;text-align:center}.loading-recommendations{display:flex;flex-direction:column;align-items:center;margin:20px 0;padding:15px;background-color:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);box-shadow:0 1px 3px #0003}.cancel-analysis-btn{margin-top:12px;padding:8px 16px;background-color:var(--color-error);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition-normal)}.cancel-analysis-btn:hover{background-color:#c82333}.cancel-analysis-btn:active{background-color:#bd2130}.loading-recommendations.top-position{margin:0 0 15px;width:100%}.loading-recommendations .loading-spinner{width:24px;height:24px;border:3px solid #f3f3f3;border-top:3px solid var(--color-primary);border-radius:var(--radius-full);animation:spin 1s linear infinite;margin-bottom:8px}.loading-recommendations p{font-size:14px;color:var(--text-secondary);margin:0}.video-variations-selector{margin-top:1rem;width:100%}.video-variations-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.video-variation-card{background:rgba(var(--color-primary-rgb),.1);border:1px solid rgba(var(--color-primary-rgb),.3);border-radius:var(--radius-lg);padding:1rem;cursor:pointer;transition:var(--transition-normal);text-align:left}.video-variation-card:hover{background:rgba(var(--color-primary-rgb),.2);border-color:rgba(var(--color-primary-rgb),.5);transform:translateY(-2px);box-shadow:0 4px 12px rgba(var(--color-primary-rgb),.2)}.video-variation-card:disabled{opacity:.6;cursor:not-allowed;transform:none}.video-variation-card .variation-name{font-size:1rem;font-weight:600;color:#fff;margin-bottom:.5rem}.video-variation-card .variation-description{font-size:.85rem;color:var(--text-secondary);line-height:1.4}@media (max-width: 600px){.video-variations-grid{grid-template-columns:1fr}}.generated-video-preview{margin:12px 0;border-radius:var(--radius-md);overflow:hidden;background:var(--surface-dark)}.chat-video-player{width:100%;max-width:400px;border-radius:var(--radius-md);display:block}.video-download-link{display:inline-block;margin-top:8px;padding:8px 16px;background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);text-decoration:none;font-size:14px;transition:var(--transition-normal)}.video-download-link:hover{background:var(--color-primary-hover)}.hook-duration-selector{width:100%;margin-top:16px;padding:12px 16px;background:var(--bg-primary);border-radius:var(--radius-md);border:1px solid var(--border-default)}.duration-label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-secondary)}.duration-input{width:70px;padding:6px 10px;background:var(--surface-dark);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;text-align:center}.duration-input:focus{outline:none;border-color:var(--color-primary)}.duration-input:disabled{opacity:.5;cursor:not-allowed}.duration-hint{margin-top:8px;font-size:12px}.ai-suggestion{color:var(--color-primary)}.video-hook-warning{width:100%;margin-top:12px;padding:10px 14px;background:rgba(var(--color-warning-rgb),.1);border:1px solid rgba(var(--color-warning-rgb),.3);border-radius:var(--radius-md);display:flex;align-items:flex-start;gap:8px}.warning-icon{font-size:14px;flex-shrink:0}.warning-text{font-size:12px;color:var(--text-secondary);line-height:1.4}.template-gallery{display:flex;flex-direction:column;gap:.75rem;margin-bottom:2rem}.category-section{display:flex;flex-direction:column}.category-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1rem 1.25rem;cursor:pointer;transition:all .2s ease}.category-card:hover:not(.disabled){border-color:#6366f166;background:rgba(99,102,241,.08)}.category-card.expanded{border-color:#6366f180;background:rgba(99,102,241,.1);border-radius:12px 12px 0 0}.category-card.disabled{opacity:.5;cursor:not-allowed}.category-header{display:flex;justify-content:space-between;align-items:center}.category-info h4{color:#fff;font-size:1rem;font-weight:600;margin:0 0 .25rem}.category-info p{color:#fff9;font-size:.85rem;margin:0}.category-meta{display:flex;align-items:center;gap:.75rem}.template-count{color:#ffffff80;font-size:.8rem}.expand-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border-radius:6px;color:#ffffffb3;font-size:1.1rem;font-weight:300;transition:all .2s ease}.expand-icon.expanded{background:rgba(99,102,241,.3);color:#fff}.templates-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;padding:1rem;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.1);border-top:none;border-radius:0 0 12px 12px}.template-card{background:rgba(255,255,255,.05);border:2px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden;cursor:pointer;transition:all .2s ease}.template-card:hover{border-color:#6366f180;transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.template-card.selected{border-color:#6366f1;background:rgba(99,102,241,.1);box-shadow:0 0 0 2px #6366f14d}.template-image-wrapper{position:relative;aspect-ratio:4/5;overflow:hidden;background:rgba(0,0,0,.2)}.template-image{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.template-card:hover .template-image{transform:scale(1.02)}.selected-badge{position:absolute;top:.5rem;right:.5rem;width:24px;height:24px;background:#6366f1;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.8rem;box-shadow:0 2px 8px #6366f180}.template-info{padding:.75rem}.template-info h5{color:#fff;font-size:.9rem;font-weight:500;margin:0;text-align:center}.coming-soon-section{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1)}.coming-soon-title{color:#ffffff80;font-size:.85rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;margin:0 0 1rem}.coming-soon-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem}.coming-soon-grid .category-card{padding:.75rem 1rem}.coming-soon-grid .category-info h4{font-size:.9rem}.coming-soon-grid .category-info p{font-size:.8rem}@media (max-width: 600px){.template-gallery{gap:.5rem}.category-card{padding:.875rem 1rem}.category-info h4{font-size:.95rem}.category-info p{font-size:.8rem}.templates-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;padding:.75rem}.template-info{padding:.5rem}.template-info h5{font-size:.8rem}.coming-soon-grid{grid-template-columns:1fr}}.brief-creation-wrapper{max-width:700px;margin:0 auto;padding:2rem;text-align:center;background:transparent;color:#fff}.form-header{text-align:center;margin-bottom:2rem}.form-header h1{font-size:2.5rem;font-weight:700;color:#fff;margin-bottom:.5rem}.form-header .subtitle{color:var(--text-secondary);font-size:1rem;line-height:1.5;max-width:500px;margin:0 auto}.back-button{background:none;border:none;color:var(--text-secondary);font-size:.9rem;cursor:pointer;padding:.5rem 0;margin-bottom:.5rem;transition:var(--transition-normal)}.back-button:hover{color:#fff}.mode-selection{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;margin-top:1rem}.mode-card{background:var(--bg-primary);border:2px solid var(--border-default);border-radius:var(--radius-xl);padding:2rem 1.5rem;cursor:pointer;transition:var(--transition-normal);text-align:center}.mode-card:hover{border-color:var(--color-primary-50);background:var(--color-primary-10);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.mode-icon{font-size:3rem;margin-bottom:1rem}.mode-card h3{color:#fff;font-size:1.25rem;font-weight:600;margin:0 0 .5rem}.mode-card p{color:#fff9;font-size:.9rem;margin:0;line-height:1.5}.coming-soon-badge{position:absolute;top:12px;right:12px;background:linear-gradient(135deg,var(--color-warning) 0%,#d97706 100%);color:#fff;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:4px 8px;border-radius:var(--radius-sm);box-shadow:0 2px 8px rgba(var(--color-warning-rgb),.3)}.mode-card{position:relative}.upload-section{margin-bottom:2rem}.progress-section{background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:1.5rem}.progress-steps{display:flex;align-items:center;justify-content:center;gap:0;margin-bottom:1.25rem;background:transparent}.progress-step{display:flex;flex-direction:column;align-items:center;gap:.4rem;padding:0 .5rem}.step-indicator{width:40px;height:40px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:1.1rem;background:var(--bg-secondary);border:2px solid var(--border-strong);transition:var(--transition-slow)}.progress-step.current .step-indicator{background:var(--gradient-primary);border-color:transparent;box-shadow:0 0 20px var(--color-primary-40)}.progress-step.completed .step-indicator{background:var(--color-success);border-color:transparent;color:#fff;font-weight:700}.step-label{font-size:.7rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-weight:500}.progress-step.current .step-label,.progress-step.completed .step-label{color:var(--text-primary)}.step-connector{font-size:1.25rem;color:var(--color-primary-50);margin:0 .25rem 1.25rem;font-weight:300}.step-connector.completed{color:var(--color-success)}.cta-container{padding-top:.5rem;border-top:1px solid var(--border-subtle);margin-top:.5rem}.upload-prompt{color:var(--text-tertiary);font-size:.9rem;margin:0}.generate-button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 2rem;border-radius:var(--radius-full);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:var(--transition-slow);background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-primary)}.generate-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-primary-lg)}.generate-button:disabled{opacity:.7;cursor:wait}.generate-button .btn-icon{font-size:1.1rem}.generate-button .spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:var(--radius-full);animation:spin .8s linear infinite}.analyzing-name,.suggested-name{margin-top:.75rem;font-size:.875rem;color:#fff9}.analyzing-name{display:flex;align-items:center;justify-content:center;gap:.5rem}.analyzing-name:before{content:"";width:12px;height:12px;border:2px solid var(--text-hint);border-top-color:#fffc;border-radius:var(--radius-full);animation:spin .8s linear infinite}.suggested-name{color:#8b5cf6e6;font-weight:500}@media (max-width: 600px){.brief-creation-wrapper{padding:1rem}.form-header h1{font-size:2rem}.mode-selection{grid-template-columns:1fr;gap:1rem}.mode-card{padding:1.5rem 1rem}.mode-icon{font-size:2.5rem}.mode-card h3{font-size:1.1rem}.progress-steps{flex-wrap:nowrap;overflow-x:auto;padding-bottom:.5rem}.step-indicator{width:36px;height:36px;font-size:1rem}.step-connector{width:20px}.generate-button{width:100%;padding:1rem}}.video-upload-zone{border:2px dashed var(--text-hint);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;cursor:pointer;transition:var(--transition-normal);background:var(--bg-primary);min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center}.video-upload-zone:hover{border-color:rgba(var(--color-info-rgb),.5);background:rgba(var(--color-info-rgb),.1)}.video-upload-zone.uploading{cursor:default;pointer-events:none}.video-upload-zone .upload-icon{font-size:3rem;margin-bottom:1rem}.video-upload-zone h3{font-size:1.25rem;color:#fff;margin-bottom:.5rem}.video-upload-zone p{color:#fff9;font-size:.9rem;margin:0}.video-upload-zone .file-types{font-size:.8rem;color:var(--text-disabled);margin-top:.5rem}.upload-progress{display:flex;flex-direction:column;align-items:center;gap:1rem}.upload-progress p{color:#fffc}.video-preview{display:flex;flex-direction:column;align-items:center;gap:1rem}.video-thumbnail{max-width:300px;max-height:200px;border-radius:var(--radius-md);object-fit:cover}.video-player-preview{max-width:100%;max-height:250px;border-radius:var(--radius-md);background:#000}.video-info{text-align:center}.video-info .video-name{color:#fff;font-weight:500;margin-bottom:.25rem}.video-info .video-duration{color:#fff9;font-size:.9rem}.upload-error{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:rgba(var(--color-error-rgb),.2);border:1px solid rgba(var(--color-error-rgb),.3);border-radius:var(--radius-md);margin-top:1rem;color:var(--color-error-light);font-size:.9rem}.upload-error button{background:none;border:none;color:var(--color-error-light);cursor:pointer;font-weight:600;padding:.25rem .5rem}.upload-error button:hover{color:#fff}.video-analysis-info{margin-top:1rem;padding:.75rem 1rem;background:rgba(var(--color-success-rgb),.1);border:1px solid rgba(var(--color-success-rgb),.3);border-radius:var(--radius-md)}.video-analysis-info p{color:var(--color-success-light);font-size:.9rem;margin:0}.video-analysis-info p+p{margin-top:.5rem}.video-analysis-info .hook-description{color:var(--text-secondary);font-style:italic}.video-analysis-info .variation-count{color:#8b5cf6e6;font-weight:500}.video-upload-zone.dragging{border-color:var(--color-info);background:rgba(var(--color-info-rgb),.2);transform:scale(1.02)}.drive-export-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--surface-overlay-heavy);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);animation:fadeIn .2s ease-out}.drive-export-modal{background:linear-gradient(135deg,var(--surface-dark) 0%,var(--surface-darker) 100%);border-radius:var(--radius-xl);width:90%;max-width:700px;max-height:85vh;overflow:hidden;box-shadow:var(--shadow-xl);animation:slideUp .3s ease-out;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-default)}.modal-header h2{display:flex;align-items:center;gap:12px;margin:0;font-size:20px;font-weight:600;color:#fff}.modal-header .drive-icon{flex-shrink:0}.close-x{background:none;border:none;color:#fff9;font-size:28px;cursor:pointer;padding:0;line-height:1;transition:var(--transition-normal)}.close-x:hover{color:#fff}.modal-content{padding:24px;overflow-y:auto;flex:1}.image-selection{margin-bottom:24px}.selection-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;color:var(--text-primary);font-size:14px}.selection-buttons{display:flex;gap:8px}.selection-buttons button{background:var(--bg-hover);border:1px solid var(--border-hover);color:#fffc;padding:6px 12px;border-radius:var(--radius-sm);font-size:12px;cursor:pointer;transition:var(--transition-normal)}.selection-buttons button:hover{background:var(--bg-active);color:#fff}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;max-height:280px;overflow-y:auto;padding:4px}.image-item{position:relative;aspect-ratio:1;border-radius:var(--radius-md);overflow:hidden;cursor:pointer;border:2px solid transparent;transition:var(--transition-normal);background:rgba(0,0,0,.3)}.image-item:hover{transform:scale(1.02)}.image-item.selected{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-30)}.image-item img{width:100%;height:100%;object-fit:cover}.image-checkbox{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:var(--radius-full);background:var(--surface-overlay);border:2px solid rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;transition:var(--transition-normal)}.image-item.selected .image-checkbox{background:var(--color-primary);border-color:var(--color-primary)}.image-version{position:absolute;bottom:8px;left:8px;background:rgba(0,0,0,.7);color:#fff;font-size:11px;padding:2px 8px;border-radius:var(--radius-sm)}.folder-selection{margin-bottom:24px}.select-folder-btn{width:100%;padding:16px 20px;background:var(--bg-primary);border:2px dashed var(--text-hint);border-radius:var(--radius-lg);color:#fffc;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:var(--transition-normal)}.select-folder-btn:hover{background:var(--bg-hover);border-color:var(--text-tertiary);color:#fff}.select-folder-btn .folder-icon{font-size:20px}.selected-folder{display:flex;align-items:center;gap:12px;padding:16px 20px;background:rgba(var(--color-primary-rgb),.15);border:1px solid var(--color-primary-30);border-radius:var(--radius-lg)}.selected-folder .folder-icon{font-size:24px}.selected-folder .folder-name{flex:1;color:#fff;font-weight:500}.change-folder-btn{background:var(--bg-hover);border:1px solid var(--border-hover);color:#fffc;padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;transition:var(--transition-normal)}.change-folder-btn:hover{background:var(--bg-active);color:#fff}.export-actions{padding-top:8px}.export-btn{width:100%;padding:16px 24px;background:var(--gradient-primary);border:none;border-radius:var(--radius-lg);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:8px}.export-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-primary)}.export-btn:disabled{opacity:.5;cursor:not-allowed}.export-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.export-loading .loading-spinner{width:48px;height:48px;border:4px solid var(--color-primary-20);border-radius:var(--radius-full);border-top-color:var(--color-primary);animation:spin 1s linear infinite;margin-bottom:16px}.export-loading p{color:var(--text-secondary);font-size:15px}.export-error{display:flex;flex-direction:column;align-items:center;padding:24px;background:rgba(var(--color-error-rgb),.15);border:1px solid rgba(var(--color-error-rgb),.3);border-radius:var(--radius-lg);text-align:center}.export-error span{font-size:32px;margin-bottom:12px}.export-error p{color:var(--color-error-light);margin:0 0 16px}.export-error button{background:var(--bg-hover);border:1px solid var(--border-hover);color:#fff;padding:8px 20px;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-normal)}.export-error button:hover{background:var(--bg-active)}.export-progress{display:flex;flex-direction:column;align-items:center;padding:40px 20px;text-align:center}.progress-icon{margin-bottom:20px}.upload-spinner{width:56px;height:56px;border:4px solid var(--color-primary-20);border-radius:var(--radius-full);border-top-color:var(--color-primary);animation:spin 1s linear infinite}.export-progress h3{color:#fff;margin:0 0 8px;font-size:18px}.progress-file{color:#fff9;font-size:13px;margin:0 0 20px}.progress-bar-container{width:100%;max-width:300px;height:8px;background:var(--bg-hover);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:12px}.progress-bar{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));border-radius:var(--radius-sm);transition:width .3s ease}.progress-count{color:var(--text-secondary);font-size:14px;margin:0}.export-results{display:flex;flex-direction:column;align-items:center;padding:40px 20px;text-align:center}.results-icon{font-size:56px;margin-bottom:16px}.export-results h3{color:#fff;margin:0 0 20px;font-size:20px}.results-success{margin-bottom:20px}.results-success p{color:var(--text-secondary);margin:0 0 16px}.open-drive-btn{display:inline-flex;align-items:center;gap:8px;background:var(--gradient-primary);color:#fff;text-decoration:none;padding:12px 24px;border-radius:var(--radius-md);font-weight:500;transition:var(--transition-normal)}.open-drive-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-primary)}.results-failed{background:rgba(var(--color-error-rgb),.15);border:1px solid rgba(var(--color-error-rgb),.3);border-radius:var(--radius-md);padding:16px;margin-bottom:20px;text-align:left;width:100%}.results-failed p{color:var(--color-error-light);margin:0 0 8px;font-weight:500}.results-failed ul{margin:0;padding-left:20px;color:#fff9;font-size:13px}.close-btn{background:var(--bg-hover);border:1px solid var(--border-hover);color:#fff;padding:12px 32px;border-radius:var(--radius-md);font-size:15px;cursor:pointer;transition:var(--transition-normal)}.close-btn:hover{background:var(--bg-active)}@media (max-width: 600px){.drive-export-modal{width:95%;max-height:90vh}.modal-content{padding:16px}.image-grid{grid-template-columns:repeat(3,1fr);max-height:200px}.selection-header{flex-direction:column;gap:12px;align-items:flex-start}}.meta-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.meta-modal{background:#1a1a2e;border-radius:16px;width:100%;max-width:600px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.1)}.meta-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.1)}.meta-modal-header h2{margin:0;color:#fff;font-size:1.25rem;font-weight:600}.meta-modal-close{background:none;border:none;color:#fff9;font-size:1.5rem;cursor:pointer;padding:0;line-height:1;transition:color .2s ease}.meta-modal-close:hover{color:#fff}.meta-modal-content{padding:1.5rem;overflow-y:auto;flex:1}.meta-loading{text-align:center;color:#fff9;padding:2rem}.meta-connect-prompt{text-align:center;padding:2rem}.meta-connect-prompt p{color:#ffffffb3;margin-bottom:1.5rem}.meta-connect-btn{background:#1877f2;color:#fff;border:none;padding:.875rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s ease}.meta-connect-btn:hover{background:#166fe5}.meta-not-configured{text-align:center;padding:1.5rem}.meta-not-configured-icon{font-size:3rem;margin-bottom:1rem;opacity:.7}.meta-not-configured h3{color:#fff;margin:0 0 .75rem;font-size:1.25rem}.meta-not-configured>p{color:#fff9;margin-bottom:1.5rem}.meta-setup-instructions{text-align:left;background:rgba(255,255,255,.05);border-radius:8px;padding:1rem 1.25rem;margin-bottom:1.5rem}.meta-setup-instructions p{color:#fffc;margin:0 0 .75rem;font-weight:500}.meta-setup-instructions ol{color:#ffffffb3;margin:0;padding-left:1.25rem}.meta-setup-instructions li{margin-bottom:.75rem;line-height:1.5}.meta-setup-instructions code{background:rgba(99,102,241,.2);color:#a5b4fc;padding:.15rem .4rem;border-radius:4px;font-size:.85em}.meta-setup-instructions pre{background:rgba(0,0,0,.3);padding:.75rem;border-radius:6px;margin-top:.5rem;overflow-x:auto;font-size:.85rem;color:#a5b4fc}.meta-close-btn{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2);padding:.75rem 2rem;border-radius:8px;font-size:1rem;cursor:pointer;transition:all .2s ease}.meta-close-btn:hover{background:rgba(255,255,255,.15);border-color:#ffffff4d}.meta-field{margin-bottom:1.25rem}.meta-field label{display:block;color:#fffc;font-size:.9rem;font-weight:500;margin-bottom:.5rem}.meta-field select{width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:.75rem 1rem;color:#fff;font-size:.95rem;cursor:pointer;transition:border-color .2s ease}.meta-field select:hover{border-color:#ffffff4d}.meta-field select:focus{outline:none;border-color:#6366f1}.meta-field select option{background:#1a1a2e;color:#fff}.meta-error{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:.75rem 1rem;color:#f87171;margin-bottom:1rem;font-size:.9rem}.meta-image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.75rem;margin-top:.5rem}.meta-image-item{position:relative;aspect-ratio:1;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid rgba(255,255,255,.1);transition:all .2s ease}.meta-image-item:hover{border-color:#6366f180}.meta-image-item.selected{border-color:#6366f1;box-shadow:0 0 0 2px #6366f14d}.meta-image-item img{width:100%;height:100%;object-fit:cover}.meta-image-checkbox{position:absolute;top:.5rem;right:.5rem;width:24px;height:24px;background:rgba(0,0,0,.5);border:2px solid rgba(255,255,255,.5);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.75rem;font-weight:700}.meta-image-item.selected .meta-image-checkbox{background:#6366f1;border-color:#6366f1}.meta-publish-btn{width:100%;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;padding:1rem;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;margin-top:1rem;transition:all .2s ease}.meta-publish-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 15px #6366f166}.meta-publish-btn:disabled{opacity:.6;cursor:not-allowed}.meta-results{text-align:center}.meta-results h3{color:#fff;margin:0 0 .5rem}.meta-results-summary{color:#ffffffb3;margin-bottom:1.5rem}.meta-results-list{text-align:left;max-height:300px;overflow-y:auto;margin-bottom:1.5rem}.meta-result-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:rgba(255,255,255,.05);border-radius:8px;margin-bottom:.5rem}.meta-result-item.success{border-left:3px solid #10b981}.meta-result-item.failed{border-left:3px solid #ef4444}.meta-result-name{color:#fff;font-weight:500}.meta-result-status{font-size:.85rem}.meta-result-item.success .meta-result-status{color:#10b981}.meta-result-item.failed .meta-result-status{color:#f87171}.meta-done-btn{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2);padding:.75rem 2rem;border-radius:8px;font-size:1rem;cursor:pointer;transition:all .2s ease}.meta-done-btn:hover{background:rgba(255,255,255,.15);border-color:#ffffff4d}@media (max-width: 600px){.meta-modal{max-height:100vh;border-radius:0}.meta-modal-content{padding:1rem}.meta-image-grid{grid-template-columns:repeat(3,1fr)}}.finetune-controls{display:flex;align-items:center;gap:.5rem}.finetune-controls.disabled{opacity:.5;pointer-events:none}.finetune-btn{width:28px;height:28px;border-radius:6px;border:1px solid rgba(139,92,246,.4);background:rgba(139,92,246,.15);color:#a78bfa;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;padding:0}.finetune-btn svg{width:14px;height:14px}.finetune-btn:hover:not(:disabled){background:rgba(139,92,246,.3);border-color:#8b5cf699;color:#c4b5fd}.finetune-btn:active:not(:disabled){background:rgba(139,92,246,.4);transform:scale(.95)}.finetune-btn:disabled{opacity:.4;cursor:not-allowed}.finetune-value{font-size:.875rem;font-weight:600;color:#a78bfa;min-width:40px;text-align:center;font-variant-numeric:tabular-nums}.thumbnail-strip{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;overflow:hidden;border-radius:8px;pointer-events:none;z-index:0}.thumbnail-strip.loading{background:rgba(255,255,255,.05)}.thumbnail-skeleton{display:flex;width:100%}.thumbnail-placeholder{flex:1;height:100%;background:linear-gradient(90deg,rgba(255,255,255,.03) 25%,rgba(255,255,255,.08) 50%,rgba(255,255,255,.03) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.thumbnail-item{height:100%;overflow:hidden}.thumbnail-item img{width:100%;height:100%;object-fit:cover;opacity:.4;transition:opacity .2s ease}.thumbnail-strip:hover .thumbnail-item img{opacity:.6}.waveform-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:1;opacity:.35}.waveform-overlay img{width:100%;height:100%;object-fit:fill}.timeline-zoom{display:flex;align-items:center;gap:.5rem}.timeline-zoom.disabled{opacity:.5;pointer-events:none}.zoom-btn{width:24px;height:24px;border-radius:4px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);color:#fff9;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;padding:0}.zoom-btn:hover:not(:disabled){background:rgba(255,255,255,.1);color:#ffffffe6}.zoom-btn:disabled{opacity:.3;cursor:not-allowed}.zoom-slider{width:60px;height:4px;background:rgba(255,255,255,.15);border-radius:2px;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.zoom-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:12px;height:12px;border-radius:50%;background:#8b5cf6;cursor:pointer;transition:all .15s ease}.zoom-slider::-webkit-slider-thumb:hover{background:#a78bfa;transform:scale(1.1)}.zoom-slider::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:#8b5cf6;cursor:pointer;border:none}.zoom-reset{font-size:.7rem;font-weight:600;color:#8b5cf6;background:rgba(139,92,246,.15);border:none;padding:.2rem .4rem;border-radius:4px;cursor:pointer;transition:all .15s ease}.zoom-reset:hover{background:rgba(139,92,246,.25);color:#a78bfa}.video-trimmer{width:100%;padding:.75rem 0;-webkit-user-select:none;user-select:none}.video-trimmer.disabled{opacity:.5;pointer-events:none}.trimmer-controls{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}.play-pause-btn{width:40px;height:40px;border-radius:50%;border:2px solid rgba(255,255,255,.3);background:rgba(139,92,246,.6);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0;box-shadow:0 2px 8px #8b5cf64d}.play-pause-btn:hover{background:rgba(139,92,246,.85);border-color:#ffffff80;color:#fff;transform:scale(1.05)}.play-pause-btn svg{width:22px;height:22px}.time-display{font-size:.875rem;font-weight:500;color:#ffffffe6;font-variant-numeric:tabular-nums;min-width:80px}.zone-labels-inline{display:flex;gap:.75rem;margin-left:auto;font-size:.75rem;font-weight:500}.zone-label{padding:.25rem .5rem;border-radius:4px}.hook-label{background:rgba(139,92,246,.2);color:#a78bfa}.keep-label{background:rgba(255,255,255,.1);color:#ffffffb3}.undo-redo-controls{display:flex;gap:.25rem;margin-left:.5rem}.undo-redo-btn{width:28px;height:28px;border-radius:6px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);color:#fff9;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;padding:0}.undo-redo-btn:hover:not(:disabled){background:rgba(255,255,255,.1);color:#ffffffe6}.undo-redo-btn:disabled{opacity:.3;cursor:not-allowed}.trim-track{position:relative;height:32px;background:rgba(255,255,255,.1);border-radius:8px;cursor:pointer;display:flex;overflow:hidden}.trim-track:hover{background:rgba(255,255,255,.15)}.trim-zone{height:100%;transition:width .05s ease-out}.trim-zone-hook{background:linear-gradient(135deg,rgba(99,102,241,.4) 0%,rgba(139,92,246,.4) 100%);border-right:2px solid transparent}.trim-zone-keep{background:rgba(255,255,255,.05)}.playhead{position:absolute;top:0;bottom:0;width:2px;background:#ffffff;transform:translate(-50%);pointer-events:none;z-index:5;box-shadow:0 0 4px #ffffff80}.playhead:before{content:"";position:absolute;top:-4px;left:50%;transform:translate(-50%);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid #ffffff}.ai-marker{position:absolute;top:0;bottom:0;width:2px;background:rgba(251,191,36,.6);transform:translate(-50%);pointer-events:none}.ai-marker:before{content:"";position:absolute;top:-6px;left:50%;transform:translate(-50%);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid rgba(251,191,36,.8)}.trim-handle{position:absolute;top:-4px;bottom:-4px;width:20px;transform:translate(-50%);cursor:ew-resize;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:10}.trim-handle:hover .handle-line,.trim-handle.dragging .handle-line{background:#a78bfa;box-shadow:0 0 12px #8b5cf699}.trim-handle:hover .handle-grip,.trim-handle.dragging .handle-grip{background:#a78bfa;transform:scale(1.1)}.trim-handle.snapped .handle-line{background:#fbbf24;box-shadow:0 0 16px #fbbf24b3}.trim-handle.snapped .handle-grip{background:#fbbf24;border-color:#1e1e2e}.handle-line{width:3px;height:100%;background:#8b5cf6;border-radius:2px;transition:all .15s ease;box-shadow:0 0 8px #8b5cf666}.handle-grip{position:absolute;bottom:-8px;width:16px;height:16px;background:#8b5cf6;border-radius:50%;border:2px solid #1e1e2e;transition:all .15s ease;box-shadow:0 2px 8px #0000004d}.trimmer-info{display:flex;justify-content:space-between;align-items:center;margin-top:.75rem;font-size:.8rem}.trim-info-left,.trim-info-right{display:flex;align-items:center;gap:.75rem}.trim-timestamp{color:#a78bfa;font-weight:600}.snapped-indicator{font-size:.7rem;font-weight:500;color:#fbbf24;background:rgba(251,191,36,.15);padding:.2rem .5rem;border-radius:4px;animation:snap-pulse .3s ease-out}@keyframes snap-pulse{0%{transform:scale(.9);opacity:0}50%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}.ai-suggestion{color:#fbbf24cc;font-size:.75rem}.trimmer-hint{margin-top:.5rem;font-size:.75rem;color:#ffffff80;text-align:center}@media (max-width: 600px){.trimmer-controls{flex-wrap:wrap;gap:.5rem}.zone-labels-inline{width:100%;margin-left:0;justify-content:space-between}.trim-track{height:40px}.trim-handle{width:28px}.handle-grip{width:20px;height:20px}}.text-overlay-editor{background:rgba(30,30,46,.95);border:1px solid rgba(139,92,246,.3);border-radius:12px;padding:1rem;margin-top:1rem}.text-overlay-editor.disabled{opacity:.6;pointer-events:none}.text-preview-area{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);border-radius:8px;margin-bottom:1rem;overflow:hidden;position:relative}.text-preview-area.portrait{aspect-ratio:9/16;max-height:200px}.text-preview-area.landscape{aspect-ratio:16/9;max-height:150px}.text-preview-area.square{aspect-ratio:1/1;max-height:180px}.text-preview-area.dragging{cursor:grabbing}.preview-video-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;pointer-events:none;opacity:.7}.preview-placeholder{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center}.preview-hint{color:#ffffff4d;font-size:.75rem;text-align:center;padding:0 1rem}.preview-text{position:absolute;text-align:center;color:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;padding:.25rem .5rem;word-wrap:break-word;max-width:90%;-webkit-user-select:none;user-select:none;touch-action:none}.preview-text.draggable{cursor:grab;border-radius:4px;transition:background .15s ease,box-shadow .15s ease}.preview-text.draggable:hover{background:rgba(139,92,246,.2);box-shadow:0 0 0 2px #8b5cf666}.preview-text.draggable.dragging{cursor:grabbing;background:rgba(139,92,246,.3);box-shadow:0 0 0 3px #8b5cf699}.text-input-section{position:relative;margin-bottom:1rem}.text-input{width:100%;padding:.75rem 3rem .75rem 1rem;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.15);border-radius:8px;color:#fff;font-size:.9rem;outline:none;transition:all .15s ease}.text-input:focus{border-color:#8b5cf680;background:rgba(255,255,255,.08)}.text-input::placeholder{color:#fff6}.char-count{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);font-size:.7rem;color:#fff6}.control-section{margin-bottom:.75rem}.control-label{display:block;font-size:.75rem;font-weight:500;color:#fff9;margin-bottom:.5rem}.chip-row{display:flex;gap:.5rem;flex-wrap:wrap}.control-chip{padding:.5rem 1rem;border-radius:20px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);color:#fffc;font-size:.8rem;cursor:pointer;transition:all .15s ease}.control-chip:hover:not(:disabled){background:rgba(255,255,255,.1);border-color:#ffffff4d}.control-chip.selected{background:rgba(139,92,246,.3);border-color:#8b5cf6;color:#fff}.control-chip:disabled{opacity:.5;cursor:not-allowed}.style-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.style-toggles{display:flex;gap:.25rem}.style-btn{width:32px;height:32px;border-radius:6px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);color:#ffffffb3;font-weight:700;font-size:.85rem;cursor:pointer;transition:all .15s ease}.style-btn.italic{font-style:italic}.style-btn:hover:not(:disabled){background:rgba(255,255,255,.1)}.style-btn.active{background:rgba(139,92,246,.3);border-color:#8b5cf6;color:#fff}.stroke-control{display:flex;align-items:center;gap:.5rem}.stroke-label{font-size:.75rem;color:#fff9}.stroke-chips{display:flex;gap:.25rem}.stroke-chip{width:28px;height:28px;border-radius:6px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);color:#ffffffb3;font-size:.75rem;cursor:pointer;transition:all .15s ease}.stroke-chip:hover:not(:disabled){background:rgba(255,255,255,.1)}.stroke-chip.selected{background:rgba(139,92,246,.3);border-color:#8b5cf6;color:#fff}.action-buttons{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.1)}.btn-cancel{padding:.6rem 1.25rem;border-radius:8px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#ffffffb3;font-size:.85rem;cursor:pointer;transition:all .15s ease}.btn-cancel:hover:not(:disabled){background:rgba(255,255,255,.1);color:#fff}.btn-apply{padding:.6rem 1.25rem;border-radius:8px;border:none;background:linear-gradient(135deg,#8b5cf6 0%,#6366f1 100%);color:#fff;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .15s ease}.btn-apply:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.btn-apply:disabled{opacity:.5;cursor:not-allowed;transform:none}@media (max-width: 500px){.style-row{flex-direction:column;align-items:flex-start}.stroke-control{margin-top:.5rem}}.home-container{display:flex;width:100%;height:100vh;overflow:hidden}.content-area{flex:1;padding:0;background:linear-gradient(135deg,#0f0f1a 0%,#1a1a2e 50%,#16213e 100%)}.main-column{width:100%;margin:0}.preview-section{display:flex;height:calc(100vh - 60px);margin:0}.left-content{display:flex;flex-direction:column;width:67%;padding:0 20px;height:100%;overflow-y:auto;overflow-x:hidden;transition:var(--transition-slow)}.preview-panel{width:60%;padding:.5rem}.preview-panel.full-width{width:100%;margin-bottom:.5rem;padding-left:0;padding-right:.5rem}.preview-panel h2{margin-top:0;margin-bottom:.5rem;font-size:1.5rem}.chat-section{width:33%;background-color:#ffffff08;border-left:1px solid var(--border-default);padding:1rem;display:flex;flex-direction:column;height:100%;overflow:hidden;position:relative}.chat-section h3{margin-top:0;margin-bottom:1rem;color:var(--text-primary);text-align:center;font-size:18px;padding-bottom:.5rem;border-bottom:1px solid var(--border-default)}.form-error{background:rgba(var(--color-error-rgb),.15);border:1px solid rgba(var(--color-error-rgb),.3);border-radius:var(--radius-md);padding:.75rem 1rem;color:#f87171;margin-bottom:1rem;font-size:.9rem;display:flex;justify-content:space-between;align-items:center;max-width:600px;margin-left:auto;margin-right:auto}.error-dismiss{background:none;border:none;color:#f87171;font-size:1.25rem;cursor:pointer;padding:0 .25rem;line-height:1;opacity:.7;transition:var(--transition-normal)}.error-dismiss:hover{opacity:1}.generate-btn{width:100%;padding:14px;background-color:var(--color-primary);color:#fff;font-weight:600;font-size:1rem;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-slow)}.generate-btn:hover:not(:disabled){background-color:var(--color-primary-hover)}.generate-btn:disabled{background-color:var(--color-primary);opacity:.5;cursor:not-allowed}.form-container{display:flex;flex-direction:column;height:calc(100vh - 60px);overflow-y:auto;padding:2rem 1rem;align-items:center;justify-content:flex-start}.generate-button{background-color:var(--color-primary);color:#fff;border:none;padding:.8rem 2rem;font-size:1.1rem;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-slow);font-weight:600;box-shadow:0 4px 6px #0000001a}.generate-button:hover{background-color:var(--color-primary-hover)}.generate-button:disabled{opacity:.6;cursor:not-allowed}.loading-container{margin-top:2rem;text-align:center}.loading-spinner{display:inline-block;width:40px;height:40px;border:4px solid rgba(var(--color-primary-rgb),.2);border-radius:var(--radius-full);border-top-color:var(--color-primary);animation:spin 1s ease-in-out infinite}.loading-text{margin-top:1rem;color:var(--text-secondary)}.image-uploader{margin-bottom:1.5rem}.image-uploader .border-dashed{max-width:400px;margin:0 auto;min-height:150px;display:flex;flex-direction:column;justify-content:center;align-items:center}.image-uploader svg{max-width:48px;max-height:48px}.brief-creation-wrapper{max-width:800px;margin:0 auto;padding:2rem}.form-container svg,.brief-creation-wrapper svg{max-width:60px!important;max-height:60px!important}@media (max-width: 1024px){.preview-section{flex-direction:column}}@media (max-width: 768px){.home-container{flex-direction:column}.content-area{padding:15px}}.ad-and-prompt-container{width:100%;margin-bottom:20px}.ad-and-prompt-container .preview-panel{width:100%}.ad-container{display:flex;flex-direction:column;align-items:center;margin-bottom:.5rem}.ad-preview-image{width:100%;max-height:350px;object-fit:contain;border-radius:var(--radius-md);box-shadow:0 2px 10px #0000001a;margin-bottom:.5rem}.ad-and-prompt-container .ad-preview-image{width:auto;max-width:100%;height:auto;max-height:500px}.ad-preview-video{width:100%;max-height:350px;object-fit:contain;border-radius:var(--radius-md);box-shadow:0 2px 10px #0000001a;margin-bottom:.5rem;background:#000}.ad-and-prompt-container .ad-preview-video{width:auto;max-width:100%;height:auto;max-height:500px}.video-guidance{width:100%;max-width:400px;margin:8px 0;padding:10px 14px;background:rgba(var(--color-primary-rgb),.1);border:1px solid rgba(var(--color-primary-rgb),.3);border-radius:var(--radius-md);text-align:center}.guidance-text{font-size:13px;color:var(--text-secondary);line-height:1.5;margin:0}.fallback-notice{width:100%;max-width:400px;margin:8px 0;padding:10px 14px;background:rgba(var(--color-warning-rgb),.1);border:1px solid rgba(var(--color-warning-rgb),.3);border-radius:var(--radius-md);text-align:center}.fallback-notice p{font-size:13px;color:var(--text-secondary);margin:0}.action-buttons{display:flex;gap:.5rem;margin-top:.5rem;flex-wrap:wrap}.action-buttons button{padding:.5rem 1rem;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;transition:var(--transition-normal)}.download-btn{background-color:var(--color-success);color:#fff}.download-btn:hover{background-color:#45a049}.regenerate-btn{background-color:var(--color-info);color:#fff}.regenerate-btn:hover{background-color:#0b7dda}.text-overlay-btn{background-color:#8b5cf6;color:#fff}.text-overlay-btn:hover:not(:disabled){background-color:#7c3aed}.text-overlay-btn:disabled{opacity:.6;cursor:not-allowed}.text-overlay-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.85);z-index:1000;display:flex;align-items:center;justify-content:center;padding:2rem}.text-overlay-modal>div{max-width:900px;max-height:90vh;overflow-y:auto;background:#1e1e2e;border-radius:var(--radius-lg);padding:1.5rem}.ad-preview-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px;background-color:#2a2a2a;border-radius:var(--radius-sm);padding:2rem}.ad-preview-loading .loading-spinner{margin-bottom:1rem}.ad-preview-loading p{color:#adb5bd;text-align:center}@media (max-width: 768px){.action-buttons{flex-direction:column}.download-btn,.regenerate-btn{width:100%}}.history-grid-section{width:100%;background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:24px;margin-top:30px;box-shadow:0 2px 4px #0003}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:10px}.history-title{margin:0;color:var(--text-primary);font-size:18px;font-weight:600;text-align:left}.history-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.download-all-inline-btn{background:var(--gradient-primary);color:#fff;border:none;border-radius:var(--radius-sm);padding:8px 14px;font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition-normal);display:flex;align-items:center;gap:6px}.download-all-inline-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(var(--color-primary-rgb),.4)}.selection-controls{display:flex;gap:6px;margin-right:8px}.select-btn{background:var(--bg-hover);color:#fffc;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:6px 10px;font-size:12px;cursor:pointer;transition:var(--transition-normal)}.select-btn:hover:not(:disabled){background:var(--bg-active);color:#fff}.select-btn:disabled{opacity:.4;cursor:not-allowed}.prefix-input-container{display:flex;align-items:center;margin-right:8px}.prefix-input{background:var(--bg-hover);color:#fff;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:6px 10px;font-size:12px;width:140px;transition:var(--transition-normal)}.prefix-input::placeholder{color:#ffffff80}.prefix-input:focus{outline:none;border-color:rgba(var(--color-primary-rgb),.6);background:rgba(255,255,255,.15)}.prefix-info-icon{color:#ffffff80;font-size:14px;margin-left:4px;cursor:help;transition:var(--transition-normal)}.prefix-info-icon:hover{color:var(--text-primary)}.prefix-tooltip{position:absolute;top:100%;right:0;margin-top:8px;width:280px;background:var(--surface-dark);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-md);padding:12px;box-shadow:0 4px 20px #0000004d;z-index:var(--z-dropdown);font-size:13px;line-height:1.5}.prefix-tooltip .tooltip-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--border-default)}.prefix-tooltip .tooltip-close{background:none;border:none;color:#ffffff80;font-size:18px;cursor:pointer;padding:0;line-height:1}.prefix-tooltip .tooltip-close:hover{color:#fff}.prefix-tooltip p{margin:6px 0;color:var(--text-secondary)}.prefix-tooltip code{background:rgba(var(--color-primary-rgb),.2);padding:2px 6px;border-radius:var(--radius-sm);font-family:monospace;font-size:12px;color:var(--color-primary)}.prefix-tooltip .tooltip-tip{margin-top:10px;padding-top:8px;border-top:1px solid var(--border-default);font-size:12px}.publish-meta-btn{background:linear-gradient(135deg,#1877f2 0%,#0d65d9 100%);color:#fff;border:none;border-radius:var(--radius-sm);padding:8px 14px;font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition-normal);display:flex;align-items:center;gap:6px}.publish-meta-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #1877f266}.history-grid{display:grid;grid-template-columns:repeat(4,minmax(140px,1fr));gap:20px;width:100%;max-width:800px;padding:10px 0}.history-item{border:2px solid rgba(255,255,255,.15);border-radius:var(--radius-md);overflow:hidden;cursor:pointer;transition:var(--transition-normal);position:relative;background-color:var(--bg-primary);aspect-ratio:4/3;min-height:120px;box-shadow:0 1px 3px #0000004d}.history-item:hover{transform:translateY(-5px);box-shadow:0 5px 15px #0000001a}.history-item.current{border-color:#4dabf7;border-width:3px;box-shadow:0 0 0 3px #4dabf733}.history-thumbnail-container{position:relative;width:100%;height:100%;background-color:#0000004d;display:flex;align-items:center;justify-content:center}.history-thumbnail{max-width:100%;max-height:100%;object-fit:contain;display:block}.fallback-indicator{position:absolute;top:5px;right:5px;background-color:rgba(var(--color-warning-rgb),.8);border-radius:var(--radius-full);width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-size:12px}.history-meta{position:absolute;bottom:8px;left:8px;padding:4px 8px;background-color:#000000b3;color:#fff;font-size:12px;font-weight:600;border-radius:var(--radius-sm)}.history-timestamp{position:absolute;bottom:8px;right:8px;padding:4px 8px;background-color:#000000b3;color:#fff;font-size:10px;border-radius:var(--radius-sm)}.download-checkbox-container{position:absolute;top:6px;left:6px;z-index:10;background:rgba(0,0,0,.5);border-radius:var(--radius-sm);padding:3px}.download-checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--color-primary)}.history-item.selected-for-download{border-color:var(--color-primary);box-shadow:0 0 0 2px rgba(var(--color-primary-rgb),.3)}.history-item.selected-for-download:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(var(--color-primary-rgb),.1);pointer-events:none}.history-item.locked{border:2px solid #4299e1;box-shadow:0 0 0 3px #4299e11a}.history-item.disabled{opacity:.7;cursor:not-allowed}.history-item.disabled:hover{transform:none;box-shadow:none}.lock-overlay{position:absolute;top:8px;right:8px;background-color:#4299e1e6;border-radius:var(--radius-full);width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;z-index:3}.locked-indicator{font-size:13px;color:#4299e1;margin-left:8px;font-weight:400}.history-item.pulse-highlight{animation:pulseHighlight 1s ease-out}@keyframes pulseHighlight{0%{box-shadow:0 0 0 3px #4299e11a}50%{box-shadow:0 0 0 8px #4299e166,0 0 20px #4299e199}to{box-shadow:0 0 0 3px #4299e11a}}.history-item.locked.generating{position:relative}.history-item.locked.generating:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(66,153,225,.2);z-index:1;pointer-events:none}.history-item.locked.generating:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:24px;z-index:2;animation:spin 1s linear infinite}@media (max-width: 1024px){.history-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.history-grid{grid-template-columns:repeat(2,1fr)}}.variation-lock-notification{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.9);color:#fff;padding:20px 30px;border-radius:var(--radius-lg);z-index:1000;display:flex;flex-direction:column;align-items:center;gap:8px;box-shadow:0 10px 25px #00000080;animation:slideIn .3s ease-out}.variation-lock-notification span{font-size:16px;font-weight:600}.variation-lock-notification .sub-text{font-size:14px;font-weight:400;opacity:.8}.variation-lock-notification.fade-out{animation:fadeOut .3s ease-out forwards}.variation-lock-notification.reminder{top:80px;transform:translate(-50%);background:rgba(139,92,246,.95);padding:12px 20px;animation:slideDown .3s ease-out}.variation-lock-notification.reminder.fade-out{animation:fadeUp .3s ease-out forwards}.resume-prompt-banner{position:fixed;top:0;left:0;right:0;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;z-index:1000;border-bottom:2px solid #4dabf7;box-shadow:0 2px 10px #0000004d;color:#e8e8e8;font-size:14px}.resume-prompt-banner strong{color:#4dabf7}.resume-prompt-actions{display:flex;gap:10px}.resume-prompt-banner .resume-btn{background:#4dabf7;color:#fff;border:none;padding:8px 16px;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;transition:var(--transition-normal)}.resume-prompt-banner .resume-btn:hover{background:#3793dd}.resume-prompt-banner .dismiss-btn{background:transparent;color:#adb5bd;border:1px solid #adb5bd;padding:8px 16px;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;transition:var(--transition-normal)}.resume-prompt-banner .dismiss-btn:hover{background:rgba(173,181,189,.1);color:#e8e8e8;border-color:#e8e8e8}@keyframes slideIn{0%{opacity:0;transform:translate(-50%,-40%)}to{opacity:1;transform:translate(-50%,-50%)}}@keyframes fadeOut{to{opacity:0;transform:translate(-50%,-55%)}}@keyframes slideDown{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes fadeUp{to{opacity:0;transform:translate(-50%) translateY(-20px)}}.landing-page{min-height:100vh;background:linear-gradient(135deg,#0f0f1a 0%,#1a1a2e 50%,#16213e 100%);color:#fff}.landing-nav{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 4rem;position:fixed;top:0;left:0;right:0;z-index:var(--z-dropdown);background:rgba(15,15,26,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-default)}.nav-brand{display:flex;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700;color:#fff}.nav-brand svg{color:var(--color-primary)}.nav-actions{display:flex;gap:1rem}.nav-btn{padding:.625rem 1.25rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:var(--transition-normal);border:none;font-size:.95rem}.nav-btn.secondary{background:transparent;color:#fff;border:1px solid var(--border-strong)}.nav-btn.secondary:hover{background:var(--bg-hover);border-color:#ffffff4d}.nav-btn.primary{background:var(--gradient-primary);color:#fff}.nav-btn.primary:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(var(--color-primary-rgb),.4)}.hero-section{display:flex;align-items:center;justify-content:space-between;min-height:auto;padding:7rem 4rem 3rem;gap:3rem}.hero-content{flex:1;max-width:550px}.hero-title{font-size:2.75rem;font-weight:800;line-height:1.1;margin-bottom:1rem}.hero-title .highlight{background:linear-gradient(135deg,#6366f1 0%,#a855f7 50%,#ec4899 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.1rem;color:var(--text-secondary);line-height:1.5;margin-bottom:1.5rem}.hero-cta{display:flex;flex-direction:column;align-items:center;gap:.75rem}.google-signin-hero{min-height:44px;display:flex;justify-content:center}.hero-signin-text{color:#ffffff80;font-size:.9rem;margin:0}.login-error{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.4);border-radius:var(--radius-md);padding:.75rem 1rem;margin-bottom:.5rem;text-align:center;max-width:320px}.login-error p{color:#fca5a5;font-size:.9rem;margin:0 0 .5rem}.login-error-dismiss{background:none;border:none;color:#ffffff80;font-size:.8rem;cursor:pointer;text-decoration:underline}.google-signin-fallback .fallback-message{color:#ffffffb3;margin-bottom:12px;font-size:14px}.alternate-signin{margin-top:.75rem;text-align:center}.alternate-signin-link{color:#ffffff80;font-size:.8rem;text-decoration:underline;transition:color .2s}.alternate-signin-link:hover{color:#fffc}.hero-cta.highlight-pulse{animation:highlightPulse .6s ease-in-out 3}@keyframes highlightPulse{0%,to{box-shadow:none}50%{box-shadow:0 0 20px #6366f180,0 0 40px #6366f133}}.cta-btn.secondary{background:transparent;color:#fffc;border:1px solid rgba(255,255,255,.3);padding:.75rem 1.5rem;font-size:.95rem}.cta-btn.secondary:hover{background:var(--bg-hover);border-color:#ffffff80}.login-loading{display:flex;align-items:center;gap:.75rem;color:#fffc;font-size:1rem}.loading-spinner-small{width:20px;height:20px;border:2px solid var(--border-strong);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin .8s linear infinite}.cta-btn{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2rem;border-radius:var(--radius-lg);font-weight:600;font-size:1.1rem;cursor:pointer;transition:var(--transition-slow);border:none}.cta-btn.primary{background:var(--gradient-primary);color:#fff}.cta-btn.primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(var(--color-primary-rgb),.5)}.cta-btn.primary.large{padding:1.25rem 2.5rem;font-size:1.2rem}.hero-visual{flex:1;display:flex;justify-content:center;align-items:center}.hero-transformation{display:flex;align-items:center;gap:1rem}.transform-input,.transform-output,.transform-process{display:flex;flex-direction:column;align-items:center}.transform-card{width:100px;height:120px;background:var(--bg-secondary);border:2px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:2rem}.transform-card.input-card{background:linear-gradient(135deg,rgba(var(--color-primary-rgb),.2) 0%,rgba(139,92,246,.2) 100%);border-color:rgba(var(--color-primary-rgb),.4)}.card-label{margin-top:.5rem;font-size:.8rem;color:var(--text-secondary);font-weight:500}.card-placeholder{font-size:2.5rem;opacity:.6}.transform-arrow{font-size:2rem;color:rgba(var(--color-primary-rgb),.7);font-weight:300}.transform-process{padding:0 .5rem}.magic-bottle{width:80px;height:80px;background:var(--gradient-primary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:2.5rem;box-shadow:0 0 30px rgba(var(--color-primary-rgb),.5);animation:pulse 2s ease-in-out infinite}.output-stack{position:relative;width:100px;height:120px}.output-stack .transform-card{position:absolute;width:100%;height:100%}.output-stack .card-1{z-index:3;transform:translate(0);background:linear-gradient(135deg,rgba(var(--color-success-rgb),.2) 0%,rgba(16,185,129,.2) 100%);border-color:rgba(var(--color-success-rgb),.4)}.output-stack .card-2{z-index:2;transform:translate(8px) translateY(-4px);opacity:.7}.output-stack .card-3{z-index:1;transform:translate(16px) translateY(-8px);opacity:.4}.hero-image-placeholder{width:320px;height:320px;background:linear-gradient(135deg,rgba(var(--color-primary-rgb),.2) 0%,rgba(139,92,246,.2) 100%);border-radius:24px;border:1px solid var(--border-default);position:relative;display:flex;align-items:center;justify-content:center}.floating-card{position:absolute;background:var(--bg-hover);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:.75rem 1rem;display:flex;align-items:center;gap:.5rem;font-size:.9rem;font-weight:500;animation:float 3s ease-in-out infinite}.floating-card .card-icon{font-size:1.2rem}.card-1{top:20%;left:-10%;animation-delay:0s}.card-2{top:50%;right:-15%;animation-delay:1s}.card-3{bottom:15%;left:5%;animation-delay:2s}.how-it-works{padding:3rem 4rem;background:rgba(0,0,0,.2)}.section-title{text-align:center;font-size:1.75rem;font-weight:600;margin-bottom:1.5rem}.steps-grid{display:flex;align-items:center;justify-content:center;gap:.5rem;max-width:1200px;margin:0 auto;flex-wrap:wrap}.step-arrow{font-size:1.5rem;color:rgba(var(--color-primary-rgb),.6);font-weight:300;padding:0 .25rem}.step-card{text-align:center;padding:1.25rem 1rem;background:var(--bg-primary);border-radius:var(--radius-lg);border:1px solid var(--border-default);position:relative;transition:var(--transition-slow);width:160px;flex-shrink:0}.step-card:hover{background:var(--bg-secondary);border-color:rgba(var(--color-primary-rgb),.3)}.step-number{position:absolute;top:-12px;left:50%;transform:translate(-50%);width:24px;height:24px;background:var(--gradient-primary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.75rem}.step-icon{font-size:2rem;margin-bottom:.5rem}.step-card h3{font-size:1rem;margin-bottom:.25rem}.step-card p{color:var(--text-tertiary);font-size:.8rem;line-height:1.4}.features-section{padding:3rem 4rem}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:900px;margin:0 auto}.feature-card{padding:1.25rem;background:var(--bg-primary);border-radius:var(--radius-lg);border:1px solid var(--border-default);transition:var(--transition-slow)}.feature-card:hover{background:var(--bg-secondary);border-color:rgba(var(--color-primary-rgb),.3)}.feature-icon{font-size:1.75rem;margin-bottom:.5rem}.feature-card h3{font-size:.95rem;margin-bottom:.25rem}.feature-card p{color:var(--text-tertiary);font-size:.8rem;line-height:1.4}.cta-section{padding:3rem 4rem;text-align:center;background:linear-gradient(135deg,rgba(var(--color-primary-rgb),.2) 0%,rgba(139,92,246,.2) 100%)}.cta-section h2{font-size:1.75rem;margin-bottom:.5rem}.cta-section p{color:var(--text-secondary);font-size:1rem;margin-bottom:1.5rem}.landing-footer{padding:2rem 4rem;border-top:1px solid var(--border-default)}.footer-content{max-width:1200px;margin:0 auto;text-align:center}.footer-brand{display:inline-flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:600;margin-bottom:1rem}.footer-brand svg{color:var(--color-primary)}.footer-text{color:var(--text-tertiary);font-size:.95rem;margin-bottom:.5rem}.footer-copyright{color:var(--text-disabled);font-size:.85rem}@media (max-width: 1024px){.hero-section{flex-direction:column;text-align:center;padding-top:10rem}.hero-content{max-width:100%}.hero-cta{justify-content:center}.hero-visual{margin-top:3rem}.hero-transformation{gap:.75rem}.transform-card{width:80px;height:100px}.magic-bottle{width:60px;height:60px;font-size:2rem}.output-stack{width:80px;height:100px}.transform-arrow{font-size:1.5rem}.steps-grid{gap:.5rem}.step-card{width:140px;padding:1rem .75rem}.step-arrow{font-size:1.25rem}.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 900px){.step-card{width:120px;padding:.875rem .5rem}.step-card h3{font-size:.9rem}.step-card p{font-size:.75rem}.step-arrow{font-size:1rem}}@media (max-width: 768px){.landing-nav{padding:1rem 1.5rem}.hero-section{padding:8rem 1.5rem 3rem}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.1rem}.how-it-works,.features-section,.cta-section{padding:4rem 1.5rem}.steps-grid{flex-direction:column;gap:1rem}.step-card{width:100%;max-width:280px}.step-arrow{transform:rotate(90deg);font-size:1.25rem}.features-grid{grid-template-columns:1fr}.section-title{font-size:2rem}.hero-image-placeholder{width:300px;height:300px}.hero-transformation{flex-wrap:wrap;justify-content:center;gap:.5rem}.transform-card{width:70px;height:90px;font-size:1.5rem}.card-placeholder{font-size:2rem}.card-label{font-size:.7rem}.magic-bottle{width:50px;height:50px;font-size:1.5rem}.output-stack{width:70px;height:90px}.transform-arrow{font-size:1.25rem}}.paywall-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;z-index:2000;padding:1rem}.paywall-modal{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);border-radius:20px;width:100%;max-width:480px;overflow:hidden;border:1px solid rgba(99,102,241,.3);box-shadow:0 25px 50px -12px #00000080,0 0 60px #6366f126}.paywall-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:1px solid rgba(255,255,255,.1)}.paywall-header h2{margin:0;color:#fff;font-size:1.5rem;font-weight:700}.paywall-close{background:none;border:none;color:#ffffff80;font-size:1.75rem;cursor:pointer;padding:0;line-height:1;transition:color .2s ease}.paywall-close:hover{color:#fff}.paywall-content{padding:2rem}.paywall-price{text-align:center;margin-bottom:2rem}.price-amount{font-size:3rem;font-weight:700;background:linear-gradient(135deg,#6366f1,#8b5cf6,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.paywall-features{margin-bottom:2rem}.paywall-features h3{color:#ffffffe6;font-size:1rem;font-weight:500;margin:0 0 1rem}.paywall-features ul{list-style:none;padding:0;margin:0}.paywall-features li{display:flex;align-items:center;gap:.75rem;color:#fffc;font-size:.95rem;padding:.5rem 0}.feature-icon{color:#10b981;font-weight:700;font-size:1.1rem}.paywall-error{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:.75rem 1rem;color:#f87171;margin-bottom:1rem;font-size:.9rem;text-align:center}.paywall-subscribe-btn{width:100%;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#a855f7 100%);color:#fff;border:none;padding:1rem 2rem;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.paywall-subscribe-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.paywall-subscribe-btn:hover:before{left:100%}.paywall-subscribe-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #6366f166}.paywall-subscribe-btn:disabled{opacity:.7;cursor:not-allowed}.paywall-terms{text-align:center;color:#ffffff80;font-size:.8rem;margin:1rem 0 0}.paywall-divider{display:flex;align-items:center;margin:1.5rem 0}.paywall-divider:before,.paywall-divider:after{content:"";flex:1;height:1px;background:rgba(255,255,255,.15)}.paywall-divider span{padding:0 1rem;color:#fff6;font-size:.85rem}.paywall-bypass{text-align:center}.paywall-code-toggle{background:none;border:none;color:#ffffff80;font-size:.9rem;cursor:pointer;transition:color .2s ease;text-decoration:underline;text-underline-offset:3px}.paywall-code-toggle:hover{color:#fffc}.paywall-code-input-group{display:flex;gap:.5rem}.paywall-code-input{flex:1;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:.75rem 1rem;color:#fff;font-size:.95rem;outline:none;transition:border-color .2s ease,background .2s ease}.paywall-code-input::placeholder{color:#fff6}.paywall-code-input:focus{border-color:#6366f180;background:rgba(255,255,255,.1)}.paywall-code-submit{background:rgba(99,102,241,.3);border:1px solid rgba(99,102,241,.4);border-radius:8px;padding:.75rem 1.25rem;color:#fff;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease}.paywall-code-submit:hover{background:rgba(99,102,241,.4);border-color:#6366f199}.paywall-code-error{color:#f87171;font-size:.85rem;margin-top:.5rem}.subscription-success{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:2rem;text-align:center;background:linear-gradient(135deg,#0f0f1a 0%,#1a1a2e 100%)}.subscription-success-icon{font-size:4rem;margin-bottom:1.5rem}.subscription-success h1{color:#fff;font-size:2rem;margin:0 0 1rem}.subscription-success p{color:#ffffffb3;font-size:1.1rem;margin:0 0 2rem}.subscription-success-btn{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;padding:1rem 2rem;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.subscription-success-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #6366f166}.subscription-cancelled{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:2rem;text-align:center;background:linear-gradient(135deg,#0f0f1a 0%,#1a1a2e 100%)}.subscription-cancelled h1{color:#fff;font-size:1.5rem;margin:0 0 1rem}.subscription-cancelled p{color:#fff9;margin:0 0 2rem}.subscription-cancelled-btn{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2);padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;cursor:pointer;transition:all .2s ease}.subscription-cancelled-btn:hover{background:rgba(255,255,255,.15)}@media (max-width: 500px){.paywall-modal{max-height:100vh;border-radius:0}.paywall-header{padding:1.25rem 1.5rem}.paywall-content{padding:1.5rem}.price-amount{font-size:2.5rem}}:root{--primary-color: #646cff;--primary-hover: #535bf2;--text-color: #213547;--background-color: #ffffff;--sidebar-width: 260px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;color:var(--text-color);background-color:var(--background-color)}.app-container{display:flex;min-height:100vh}.sidebar-container{flex-shrink:0;width:var(--sidebar-width)}.main-container{flex:1;display:flex;flex-direction:column;min-width:0}main{flex:1;padding:0}.app-footer{padding:1rem;text-align:center;font-size:.875rem;color:#666;border-top:1px solid #eee}@media (max-width: 768px){.app-container{flex-direction:column}.sidebar-container{width:100%;height:auto}.main-container{width:100%}}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh}#root{width:100%;padding:0;margin:0;text-align:center}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}button{background-color:#f9f9f9}}svg{max-width:60px!important;max-height:60px!important}.logo svg,.chart svg,.graph svg{max-width:100%!important;max-height:100%!important}img.uploaded-image,img.reference-image{max-width:300px!important;max-height:200px!important;object-fit:contain}:root{--color-primary: #6366f1;--color-primary-hover: #5558e3;--color-primary-light: #8b5cf6;--color-primary-rgb: 99, 102, 241;--color-primary-10: rgba(99, 102, 241, .1);--color-primary-20: rgba(99, 102, 241, .2);--color-primary-30: rgba(99, 102, 241, .3);--color-primary-40: rgba(99, 102, 241, .4);--color-primary-50: rgba(99, 102, 241, .5);--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-primary-hover: linear-gradient(135deg, #5558e3 0%, #7c4dff 100%);--color-success: #22c55e;--color-success-light: #86efac;--color-success-rgb: 34, 197, 94;--color-warning: #f59e0b;--color-warning-light: #fcd34d;--color-warning-rgb: 245, 158, 11;--color-error: #ef4444;--color-error-light: #fca5a5;--color-error-rgb: 239, 68, 68;--color-info: #3b82f6;--color-info-light: #93c5fd;--color-info-rgb: 59, 130, 246;--text-primary: rgba(255, 255, 255, .95);--text-secondary: rgba(255, 255, 255, .7);--text-tertiary: rgba(255, 255, 255, .5);--text-disabled: rgba(255, 255, 255, .4);--text-hint: rgba(255, 255, 255, .3);--bg-subtle: rgba(255, 255, 255, .03);--bg-primary: rgba(255, 255, 255, .05);--bg-secondary: rgba(255, 255, 255, .08);--bg-hover: rgba(255, 255, 255, .1);--bg-active: rgba(255, 255, 255, .12);--border-subtle: rgba(255, 255, 255, .08);--border-default: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .15);--border-hover: rgba(255, 255, 255, .2);--surface-dark: #1a1a2e;--surface-darker: #16213e;--surface-card: #1e1e2e;--surface-overlay: rgba(0, 0, 0, .5);--surface-overlay-heavy: rgba(0, 0, 0, .75);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--spacing-2xl: 32px;--spacing-3xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .15);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .2);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .25);--shadow-primary: 0 4px 20px rgba(99, 102, 241, .4);--shadow-primary-lg: 0 8px 30px rgba(99, 102, 241, .5);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--z-dropdown: 100;--z-sticky: 200;--z-modal-backdrop: 900;--z-modal: 1000;--z-popover: 1100;--z-tooltip: 1200;--z-toast: 1300;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Menlo, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 5px #6366f180}50%{box-shadow:0 0 20px #6366f1cc}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes typing{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}@keyframes pulseHighlight{0%{box-shadow:0 0 #6366f166}70%{box-shadow:0 0 0 10px #6366f100}to{box-shadow:0 0 #6366f100}}