:root{--bg-main:#f8fafc;--panel-bg:#fff;--border-color:#e5e7eb;--text-muted:#6b7280;--primary:#2563eb;--primary2:#4f46e5;--success:#10b981;--success2:#059669;--shadow-lg:0 25px 60px #00000026,0 8px 20px #0000000d;--radius-md:12px;--radius-lg:18px;--transition:.25s}.remove-bg-tool.tool-layout{background:radial-gradient(900px 500px at 20% 10%,#2563eb1f,#0000 55%),radial-gradient(900px 500px at 90% 20%,#4f46e51a,#0000 55%),#f1f5f9;grid-template-columns:1fr 420px;width:100%;height:calc(100vh - 60px);font-family:Inter,system-ui;display:grid;position:relative;overflow:hidden}.remove-bg-tool .left-panel{padding:50px;position:relative;overflow:hidden auto}.remove-bg-tool .floating-add{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;cursor:pointer;width:55px;height:55px;transition:var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:20px;display:flex;position:absolute;top:25px;right:25px;box-shadow:0 15px 30px #0000002e}.remove-bg-tool .floating-add:hover{transform:scale(1.08)}.remove-bg-tool .drop-ui{cursor:pointer;color:#64748b;text-align:center;border:2px dashed #cbd5e1;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;width:100%;height:60vh;transition:all .2s;display:flex}.remove-bg-tool .drop-ui:hover{background:#f8fafc}.remove-bg-tool .drop-ui h3{margin-bottom:8px;font-size:22px}.remove-bg-tool .preview-wrapper{flex-direction:column;align-items:center;gap:18px;width:100%;max-width:860px;margin:0 auto 28px;display:flex}.remove-bg-tool .preview-container{border-radius:var(--radius-lg);width:100%;height:420px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.remove-bg-tool .preview-image{object-fit:contain;width:100%;height:100%;position:absolute;inset:0}.remove-bg-tool .result-image{z-index:1}.remove-bg-tool .original-image{z-index:2}.remove-bg-tool .reveal-original{animation:7s cubic-bezier(.16,1,.3,1) forwards revealOriginal}@keyframes revealOriginal{0%{clip-path:inset(0)}to{clip-path:inset(0 100% 0 0)}}.remove-bg-tool .transparent-bg{background-color:#fff;background-image:linear-gradient(45deg,#e5e7eb 25%,#0000 25%),linear-gradient(-45deg,#e5e7eb 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#e5e7eb 75%),linear-gradient(-45deg,#0000 75%,#e5e7eb 75%);background-size:24px 24px}.remove-bg-tool .reset-btn{z-index:10;cursor:pointer;width:42px;height:42px;transition:var(--transition);background:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:15px;left:15px;box-shadow:0 10px 25px #0003}.remove-bg-tool .reset-btn:hover{transform:rotate(90deg)}.remove-bg-tool .zoom-controls{background:#fff;border:1px solid #e5e7eb;border-radius:14px;justify-content:center;align-items:center;gap:14px;width:100%;max-width:420px;margin:18px auto 0;padding:12px 16px;display:flex;box-shadow:0 8px 20px #00000014}.remove-bg-tool .zoom-controls button{cursor:pointer;background:#f8fafc;border:1px solid #e5e7eb;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.remove-bg-tool .zoom-controls button:hover{color:#fff;background:#2563eb;border-color:#2563eb}.remove-bg-tool .zoom-controls input{appearance:none;cursor:pointer;background:#e5e7eb;border-radius:10px;flex:1;height:6px}.remove-bg-tool .zoom-controls input::-webkit-slider-thumb{appearance:none;cursor:pointer;background:#2563eb;border-radius:50%;width:16px;height:16px}.remove-bg-tool .right-panel{background:var(--panel-bg);border-left:1px solid var(--border-color);flex-direction:column;height:100%;padding:40px;display:flex}.remove-bg-tool .tool-header h1{margin-bottom:6px;font-size:28px;font-weight:700}.remove-bg-tool .tool-header p{color:var(--text-muted);font-size:14px}.remove-bg-tool .editor-section{flex:1;margin-top:20px;padding-right:4px;overflow-y:auto}.remove-bg-tool .editor-section::-webkit-scrollbar{width:6px}.remove-bg-tool .editor-section::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:10px}.remove-bg-tool .color-grid{scrollbar-width:none;gap:12px;margin-bottom:26px;padding-bottom:6px;display:flex;overflow-x:auto}.remove-bg-tool .color-grid::-webkit-scrollbar{display:none}.remove-bg-tool .more-colors{justify-content:space-between;align-items:center;gap:10px;margin:-14px 0 22px;display:flex}.remove-bg-tool .more-colors-btn{border:1px solid var(--border-color);color:#0f172a;cursor:pointer;height:36px;transition:var(--transition);background:#fff;border-radius:10px;padding:0 12px;font-size:13px;font-weight:600}.remove-bg-tool .more-colors-btn:hover{border-color:#2563eb73;transform:translateY(-1px);box-shadow:0 10px 25px #2563eb29}.remove-bg-tool .color-picker{border:1px solid var(--border-color);cursor:pointer;background:#fff;border-radius:10px;width:44px;height:36px;padding:0;overflow:hidden}.remove-bg-tool .color-box{border:2px solid var(--border-color);cursor:pointer;width:38px;height:38px;transition:var(--transition);border-radius:10px;flex:none;justify-content:center;align-items:center;display:flex}.remove-bg-tool .color-box:hover{transform:scale(1.12)}.remove-bg-tool .color-box.active{border:2px solid var(--primary);box-shadow:0 0 0 2px #2563eb2e}.remove-bg-tool .transparent-icon{background-color:#0000;background-image:linear-gradient(45deg,#e5e7eb 25%,#0000 25%),linear-gradient(-45deg,#e5e7eb 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#e5e7eb 75%),linear-gradient(-45deg,#0000 75%,#e5e7eb 75%);background-position:0 0,0 0,0 0,0 0;background-repeat:repeat,repeat,repeat,repeat;background-size:10px 10px;background-attachment:scroll,scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box;border-radius:8px;width:100%;height:100%}.remove-bg-tool .image-grid{grid-template-columns:repeat(3,1fr);gap:12px;max-height:260px;padding-right:4px;display:grid;overflow-y:auto}.remove-bg-tool .image-grid::-webkit-scrollbar{width:6px}.remove-bg-tool .image-grid::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:10px}.remove-bg-tool .bg-thumb{object-fit:cover;cursor:pointer;width:100%;height:70px;transition:var(--transition);border:2px solid #0000;border-radius:8px}.remove-bg-tool .bg-thumb:hover{transform:scale(1.05)}.remove-bg-tool .bg-thumb.active{border:2px solid var(--primary);box-shadow:0 0 0 2px #2563eb33}.remove-bg-tool .upload-bg{border:2px dashed var(--border-color);cursor:pointer;width:100%;height:70px;color:var(--text-muted);transition:var(--transition);background:#fafafa;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;font-size:13px;display:flex}.remove-bg-tool .upload-bg:hover{border-color:var(--primary);color:var(--primary);background:#f3f4f6}.remove-bg-tool .panel-footer{flex-direction:column;gap:12px;margin-top:auto;display:flex}.remove-bg-tool .action-btn,.remove-bg-tool .download-btn{border-radius:var(--radius-md);color:#fff;cursor:pointer;height:60px;transition:var(--transition);border:none;font-size:16px;font-weight:600}.remove-bg-tool .action-btn{background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 10px 25px #4f46e559}.remove-bg-tool .action-btn:hover{transform:translateY(-2px);box-shadow:0 16px 35px #4f46e573}.remove-bg-tool .download-btn{background:linear-gradient(135deg,var(--success),var(--success2));justify-content:center;align-items:center;gap:10px;display:flex;box-shadow:0 10px 25px #10b98159}.remove-bg-tool .download-btn:hover{transform:translateY(-2px);box-shadow:0 16px 35px #10b98173}.remove-bg-tool .action-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;background:linear-gradient(135deg,#2563eb,#4f46e5)}@media (max-width:1100px){.remove-bg-tool.tool-layout{grid-template-columns:1fr;height:auto;min-height:calc(100vh - 60px)}.remove-bg-tool .left-panel{padding:28px 18px 20px}.remove-bg-tool .right-panel{border-left:none;border-top:1px solid var(--border-color);width:100%}.remove-bg-tool .preview-container{height:auto;min-height:260px}}@media (max-width:768px){.remove-bg-tool .preview-container{height:auto;min-height:220px}.remove-bg-tool .zoom-controls{max-width:100%}}