.image-splitter-container{max-width:1200px;margin:0 auto;padding:2rem;min-height:100vh;background:#fff;font-family:Inter,sans-serif}.splitter-header{text-align:center;margin-bottom:3rem}.splitter-title{font-size:2.5rem;font-weight:800;color:var(--text-primary);margin-bottom:.5rem;background:linear-gradient(135deg,var(--color-primary-500) 0%,#a855f7 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.splitter-subtitle{color:var(--color-gray-500);font-size:1.1rem}.splitter-content{background:#fff;border-radius:1rem;padding:2rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;display:grid;grid-template-columns:300px 1fr;gap:2rem}.controls-panel{padding-right:2rem;border-right:1px solid var(--color-gray-200)}.upload-area{border:2px dashed var(--color-gray-300);border-radius:.75rem;padding:2rem;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:2rem}.upload-area:hover{border-color:var(--color-primary-500);background:#f5f3ff}.upload-icon{font-size:2rem;margin-bottom:1rem;display:block}.upload-text{color:#4b5563;font-weight:500}.control-group{margin-bottom:1.5rem}.control-label{display:block;font-weight:600;color:#374151;margin-bottom:.5rem}.grid-options{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1rem}.grid-btn{padding:.75rem;border:1px solid var(--color-gray-300);border-radius:.5rem;background:#fff;color:#374151;font-weight:500;cursor:pointer;transition:all .2s}.grid-btn:hover{border-color:var(--color-primary-500);color:var(--color-primary-500)}.grid-btn.active{background:var(--color-primary-500);color:#fff;border-color:var(--color-primary-500)}.custom-inputs{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.input-wrapper{position:relative}.custom-input{width:100%;padding:.75rem;border:1px solid var(--color-gray-300);border-radius:.5rem;font-size:.95rem}.input-suffix{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);color:#9ca3af;font-size:.875rem}.action-btn{width:100%;padding:1rem;background:linear-gradient(135deg,var(--color-primary-500) 0%,#a855f7 100%);color:#fff;border:none;border-radius:.5rem;font-weight:600;font-size:1rem;cursor:pointer;transition:opacity .2s;margin-top:1rem}.action-btn:hover{opacity:.9}.action-btn:disabled{opacity:.5;cursor:not-allowed}.preview-panel{min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.preview-container{max-width:100%;margin-bottom:2rem;position:relative}.preview-grid{display:grid;gap:2px;background:var(--color-gray-200);border:1px solid var(--color-gray-200);box-shadow:0 4px 6px -1px #0000001a}.grid-item{width:100%;height:100%;object-fit:cover;display:block;background:#fff}.download-options{margin-top:2rem;text-align:center}.secondary-btn{padding:.75rem 1.5rem;background:#fff;border:1px solid var(--color-gray-300);color:#374151;border-radius:.5rem;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem}.secondary-btn:hover{border-color:var(--color-primary-500);color:var(--color-primary-500)}@media (max-width: 768px){.splitter-content{grid-template-columns:1fr}.controls-panel{padding-right:0;padding-bottom:2rem;border-right:none;border-bottom:1px solid var(--color-gray-200)}}