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16px;background:#3b82f6;color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.generate-button:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 2px 4px #2563eb4d}.generate-button:active{transform:translateY(0)}.delete-button{padding:8px 16px;background:#ef4444;color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.delete-button:hover{background:#dc2626;transform:translateY(-1px);box-shadow:0 2px 4px #dc26264d}.delete-button:active{transform:translateY(0)}.image-loading{text-align:center;padding:40px 20px}.spinner{width:40px;height:40px;margin:0 auto 16px;border:4px solid #e5e7eb;border-top:4px solid #3b82f6;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.image-loading p{margin:8px 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ease}.image-wrapper:hover .image-fullscreen-link{opacity:1}.image-fullscreen-link:hover{background:#000c}.image-footer{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:#f9fafb;border-top:1px solid #e5e7eb}.image-footer .image-fullscreen-link{position:static;opacity:1;background:#3b82f6;padding:4px 10px}.image-footer .image-fullscreen-link:hover{background:#2563eb}.uploaded-by-info{margin:0;font-size:12px;color:#6b7280}.uploader-link{color:#3b82f6;text-decoration:none;font-weight:500}.uploader-link:hover{text-decoration:underline}.no-image-placeholder{padding:40px 20px;text-align:center;color:#9ca3af}.no-image-placeholder p{margin:8px 0;font-size:14px}.placeholder-subtitle{font-size:12px;margin-top:4px!important}@media (max-width: 768px){.question-explanation-container{margin-top:16px;padding:16px}.explanation-text-section,.explanation-image-section{padding:12px}.explanation-title{font-size:15px}.explanation-content{font-size:13px}.image-header{flex-direction:column;align-items:stretch}.generate-button{width:100%}.image-wrapper{max-width:100%}.image-loading{padding:30px 16px}.spinner{width:32px;height:32px}.image-loading p{font-size:13px}.loading-subtitle{font-size:11px}}@media (max-width: 480px){.question-explanation-container{padding:0;margin-top:16px;background:transparent;border-radius:0;box-shadow:none}.explanation-text-section,.explanation-image-section{padding:0}.image-header{display:none}.explanation-title{font-size:14px;gap:6px}.explanation-title .icon{font-size:16px}.explanation-content{font-size:12px;line-height:1.5}.generate-button{padding:6px 12px;font-size:12px}.image-error{padding:16px 12px}.error-message{font-size:13px}.retry-button{padding:6px 12px;font-size:12px}.image-wrapper{max-width:100%;border:none;border-radius:0;background:transparent}.image-fullscreen-link{padding:4px 8px;font-size:10px}.no-image-placeholder{padding:24px 12px}.no-image-placeholder p{font-size:12px}.placeholder-subtitle{font-size:10px}}@media (prefers-color-scheme: dark){.question-explanation-container{background:linear-gradient(135deg,#1f2937,#111827)}.explanation-text-section,.explanation-image-section{background:#374151;border-left-color:#60a5fa}.explanation-title{color:#f3f4f6}.explanation-content{color:#d1d5db}.image-loading p{color:#9ca3af}.image-error{background:#7f1d1d;border-color:#991b1b}.error-message{color:#fecaca}.image-wrapper{background:#4b5563;border-color:#6b7280}.no-image-placeholder{color:#6b7280}}