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#667eea66}.send-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.quick-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.quick-btn{padding:8px 14px;background:#f1f3f4;border:none;border-radius:20px;font-size:12px;color:#5f6368;cursor:pointer;transition:background .2s}.quick-btn:hover:not(:disabled){background:#e8eaed}.quick-btn:disabled{opacity:.6;cursor:not-allowed}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:40px 20px}.welcome-icon{width:80px;height:80px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.welcome-icon i{font-size:36px;color:#fff}.welcome-screen h3{font-size:20px;color:#333;margin-bottom:10px}.welcome-screen p{font-size:14px;color:#666;margin-bottom:25px;max-width:300px;line-height:1.5}.start-chat-btn{padding:14px 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i{font-size:16px}@media(max-width:520px){.chat-page{padding:0}.chat-container{height:100vh;border-radius:0;max-width:100%}.bulk-upload-link{bottom:10px;left:10px;font-size:12px;padding:10px 16px}}.bulk-upload-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.bulk-upload-header{text-align:center;color:#fff;margin-bottom:30px;position:relative}.bulk-upload-header h1{margin:0 0 10px;font-size:2rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:12px}.bulk-upload-header h1 .ppt-icon{color:#ff6b35;font-size:2.2rem}.bulk-upload-header p{margin:0;opacity:.9;font-size:1rem}.back-button{position:absolute;left:0;top:0;background:#fff3;border:none;color:#fff;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:.9rem;display:flex;align-items:center;gap:8px;transition:background .3s ease}.back-button:hover{background:#ffffff4d}.bulk-upload-content{max-width:800px;margin:0 auto}.vendor-select-section{background:#fffffff2;border-radius:16px;padding:20px 25px;margin-bottom:20px}.vendor-select-label{display:block;font-size:1rem;font-weight:600;color:#333;margin-bottom:10px}.vendor-select-label i{color:#667eea;margin-right:6px}.vendor-select{width:100%;padding:12px 16px;font-size:.95rem;border:2px solid #e2e8f0;border-radius:10px;background:#fff;color:#333;cursor:pointer;transition:border-color .3s ease,box-shadow .3s ease;appearance:auto}.vendor-select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea33}.vendor-select:disabled{opacity:.6;cursor:not-allowed}.vendor-loading{display:inline-block;margin-top:8px;font-size:.85rem;color:#888}.vendor-loading i{margin-right:4px}.drop-zone{background:#fffffff2;border:3px dashed #d35400;border-radius:20px;padding:50px 40px;text-align:center;cursor:pointer;transition:all .3s ease;margin-bottom:25px}.drop-zone:hover,.drop-zone.active{background:#fff;border-color:#e67e22;transform:scale(1.02);box-shadow:0 10px 40px #00000026}.drop-zone-icon{position:relative;display:inline-block;margin-bottom:20px}.drop-zone-icon .fa-file-powerpoint{font-size:5rem;color:#d35400}.drop-zone-icon .upload-arrow{position:absolute;bottom:-5px;right:-15px;font-size:2rem;color:#667eea;background:#fff;border-radius:50%;padding:5px}.drop-zone-content h3{margin:0 0 10px;color:#333;font-size:1.5rem}.drop-zone-content p{margin:0 0 15px;color:#666}.drop-zone-content .file-types{font-size:.85rem;color:#888;background:#f8f9fa;padding:8px 16px;border-radius:20px;display:inline-block}.error-message{background:#fff5f5;border:1px solid #fc8181;border-radius:12px;padding:15px 20px;margin-bottom:20px;display:flex;align-items:flex-start;gap:12px}.error-message i{color:#e53e3e;font-size:1.2rem;margin-top:2px}.error-message pre{margin:0;color:#c53030;font-family:inherit;font-size:.9rem;white-space:pre-wrap;word-break:break-word}.preview-section{background:#fffffff2;border-radius:20px;padding:25px;margin-bottom:20px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.preview-header h3{margin:0;color:#333;font-size:1.1rem;display:flex;align-items:center;gap:10px}.preview-header h3 i{color:#667eea}.clear-button{background:#e53e3e;border:none;color:#fff;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:.85rem;display:flex;align-items:center;gap:6px;transition:background .3s ease}.clear-button:hover:not(:disabled){background:#c53030}.clear-button:disabled{opacity:.5;cursor:not-allowed}.file-list{display:flex;flex-direction:column;gap:12px}.file-card{display:flex;align-items:center;gap:15px;padding:15px 20px;background:#f8f9fa;border-radius:12px;transition:all .2s ease;border:2px solid transparent}.file-card:hover{background:#fff;box-shadow:0 4px 12px #00000014}.file-card.uploading{border-color:#667eea;background:#f0f4ff}.file-card.success{border-color:#48bb78;background:#f0fff4}.file-card.error{border-color:#e53e3e;background:#fff5f5}.file-icon-wrapper{position:relative;width:50px;height:50px;background:linear-gradient(135deg,#d35400,#e67e22);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.file-icon-wrapper>i{font-size:1.5rem;color:#fff}.file-status{position:absolute;bottom:-5px;right:-5px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;color:#fff}.file-status.uploading{background:#667eea}.file-status.success{background:#48bb78}.file-status.error{background:#e53e3e}.file-info{flex:1;min-width:0}.file-name{display:block;font-size:.95rem;font-weight:500;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.file-size{font-size:.8rem;color:#888}.remove-file-button{background:transparent;border:none;color:#999;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}.remove-file-button:hover{background:#fee2e2;color:#e53e3e}.results-section{background:#fffffff2;border-radius:20px;padding:25px;margin-bottom:20px}.results-section h3{margin:0 0 15px;color:#333;font-size:1.1rem;display:flex;align-items:center;gap:10px}.results-section h3 i{color:#48bb78}.results-list{display:flex;flex-direction:column;gap:10px}.result-item{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:10px;font-size:.9rem}.result-item.success{background:#f0fff4;border:1px solid #9ae6b4}.result-item.success>i{color:#38a169;font-size:1.1rem}.result-item.error{background:#fff5f5;border:1px solid #fc8181}.result-item.error>i{color:#e53e3e;font-size:1.1rem}.result-name{font-weight:500;color:#333;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.result-message{color:#666;font-size:.85rem}.result-file-container{margin-bottom:15px}.result-file-container:last-child{margin-bottom:0}.result-details{margin-top:10px;margin-left:30px;border-radius:8px;overflow:hidden}.details-header{padding:10px 15px;font-weight:500;font-size:.85rem;display:flex;align-items:center;gap:8px}.success-details{background:#f0fff4;border:1px solid #9ae6b4}.success-details .details-header{background:#c6f6d5;color:#22543d}.failed-details{background:#fff5f5;border:1px solid #fc8181;margin-top:8px}.failed-details .details-header{background:#fed7d7;color:#742a2a}.skipped-details{background:#fffaf0;border:1px solid #fbd38d;margin-top:8px}.skipped-details .details-header{background:#feebc8;color:#744210}.details-list{max-height:200px;overflow-y:auto}.detail-item{padding:8px 15px;font-size:.8rem;display:flex;align-items:center;gap:12px;border-top:1px solid rgba(0,0,0,.05)}.detail-item:first-child{border-top:none}.detail-slide{color:#666;min-width:60px}.detail-code{font-family:monospace;background:#0000000d;padding:2px 8px;border-radius:4px;font-weight:500;color:#333}.detail-info{color:#38a169;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.detail-error{color:#e53e3e;flex:1}.detail-reason{color:#c05621;flex:1}.upload-actions{text-align:center;margin-bottom:20px}.upload-button{background:linear-gradient(135deg,#d35400,#e67e22);border:none;color:#fff;padding:16px 50px;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:transform .2s ease,box-shadow .2s ease}.upload-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #d3540066}.upload-button:disabled{opacity:.7;cursor:not-allowed;transform:none}.info-section{background:#ffffff26;border-radius:16px;padding:20px 25px;color:#fff}.info-section h4{margin:0 0 15px;font-size:1rem;display:flex;align-items:center;gap:10px}.info-section h4 i{color:#ffd93d}.info-section ul{margin:0;padding-left:20px}.info-section li{margin-bottom:8px;font-size:.9rem;opacity:.9}.info-section li:last-child{margin-bottom:0}@media(max-width:768px){.bulk-upload-header{padding-top:50px}.back-button{position:relative;margin-bottom:15px;display:inline-flex}.bulk-upload-header h1{font-size:1.5rem}.bulk-upload-header h1 .ppt-icon{font-size:1.6rem}.drop-zone{padding:35px 20px}.drop-zone-icon .fa-file-powerpoint{font-size:3.5rem}.drop-zone-icon .upload-arrow{font-size:1.5rem;right:-10px}.drop-zone-content h3{font-size:1.2rem}.file-card{padding:12px 15px}.file-icon-wrapper{width:42px;height:42px}.file-icon-wrapper>i{font-size:1.2rem}.preview-header{flex-direction:column;gap:12px;align-items:flex-start}.result-item{flex-wrap:wrap}.result-name{flex:none;width:calc(100% - 30px)}.result-message{width:100%;padding-left:30px}.upload-button{padding:14px 35px;font-size:1rem}}