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#646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.grid-options .form-group{margin-bottom:15px;display:flex;align-items:center;justify-content:center;gap:10px}.grid-options .form-group label{width:100px;text-align:right}.grid-options .form-group input{width:100px}.dark-mode{--bg-color: #121212;--text-color: #e0e0e0;--secondary-text: #a0a0a0;--card-bg: #1e1e1e;--border-color: #333;--hover-color: #2d2d2d;--accent-color: #8c8cff;--accent-hover: #7a7aff;--danger-color: #ff6b6b}.dark-mode body,.dark-mode .app-container{background-color:var(--bg-color);color:var(--text-color)}.dark-mode .upload-area{border-color:var(--border-color);background-color:var(--card-bg)}.dark-mode .upload-area:hover{border-color:var(--accent-color)}.dark-mode .upload-area.drag-over{border-color:var(--accent-color);background-color:#8c8cff1a}.dark-mode .image-item{box-shadow:0 2px 8px #00000080;border:1px solid var(--border-color)}.dark-mode .remove-button{background:#ff6b6bb3}.dark-mode .join-options{background-color:var(--card-bg)}.dark-mode .grid-options,.dark-mode .gap-options{background-color:#2a2a2a;border:1px solid var(--border-color)}.dark-mode .form-group input{background-color:var(--bg-color);border-color:var(--border-color);color:var(--text-color)}.dark-mode .form-group label{color:var(--secondary-text)}.dark-mode .join-button,.dark-mode .download-button{background-color:var(--accent-color)}.dark-mode .join-button:hover,.dark-mode .download-button:hover{background-color:var(--accent-hover)}.dark-mode .result-image{border-color:var(--border-color)}.dark-mode h1,.dark-mode h2,.dark-mode h3{color:var(--text-color)}.dark-mode p{color:var(--secondary-text)}.dark-mode input[type=radio]+label{color:var(--text-color)}@media (max-width: 768px){#root{padding:1rem}.app-container{padding:10px}.upload-area{padding:30px 15px;margin:15px 0}.image-item{width:100px;height:100px}.radio-group{flex-direction:column;gap:10px;align-items:center}.form-group{flex-direction:column;gap:5px}.form-group label{width:auto;text-align:center;margin-bottom:5px}.grid-options .form-group{flex-direction:column;gap:5px}.grid-options .form-group label{width:auto;text-align:center;margin-bottom:5px}.form-group input{width:80px}.join-button,.download-button{width:100%;max-width:200px;margin:10px auto;display:block}.grid-options,.gap-options{padding:10px}}@media (max-width: 480px){.image-list{gap:10px}.image-item{width:80px;height:80px}h1{font-size:1.8rem}h2{font-size:1.5rem}h3{font-size:1.2rem}}