:root{--brand-blue:#4651e6;--brand-pink:#ff436b;--brand-blue-light:#6b7aed;--bg-main:#f8f9fc;--bg-white:#ffffff;--text-dark:#1a1a2e;--text-muted:#6c757d;--border-color:#e2e8f0;--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.06);--shadow-md:0 4px 20px rgba(0, 0, 0, 0.1);--radius-sm:8px;--radius-md:12px;--radius-lg:20px}*{box-sizing:border-box}body{margin:0;padding:0;font-family:'Outfit',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-main);color:var(--text-dark)}.resizer-app{max-width:1400px;margin:0 auto;padding:2rem;min-height:100vh}.resizer-header{text-align:center;margin-bottom:2rem}.resizer-title{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--brand-blue) 0%,var(--brand-pink) 100%);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text;margin:0 0 .5rem 0}.resizer-subtitle{color:var(--text-muted);font-size:1.1rem;margin:0}.resizer-workspace{display:grid;grid-template-columns:1fr 380px;gap:2rem;align-items:start}.workspace-left{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;min-height:600px;display:flex;flex-direction:column}.canvas-container{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(45deg,#f0f0f0 25%,transparent 25%),linear-gradient(-45deg,#f0f0f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f0f0f0 75%),linear-gradient(-45deg,transparent 75%,#f0f0f0 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:#fafafa;position:relative}.upload-overlay{text-align:center;padding:3rem}.upload-overlay.hidden{display:none}.upload-icon{margin-bottom:1.5rem}.upload-btn{background:linear-gradient(135deg,var(--brand-blue) 0%,var(--brand-pink) 100%);color:#fff;border:none;padding:1rem 2.5rem;font-size:1.1rem;font-weight:600;border-radius:var(--radius-md);cursor:pointer;transition:transform 0.2s,box-shadow 0.2s}.upload-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgb(70 81 230 / .35)}.resizable-box{max-width:100%;max-height:100%;display:none}.resizable-box canvas{max-width:100%;max-height:70vh;border-radius:var(--radius-sm);box-shadow:var(--shadow-md)}.file-queue-strip{display:flex;gap:.75rem;padding:1rem;background:#fafafa;border-top:1px solid var(--border-color);overflow-x:auto}.file-queue-strip::-webkit-scrollbar{height:6px}.file-queue-strip::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.file-queue-strip::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.queue-item{width:60px;height:60px;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;border:3px solid #fff0;transition:all 0.2s;flex-shrink:0;position:relative}.queue-item img{width:100%;height:100%;object-fit:cover}.queue-item.active{border-color:var(--brand-blue);box-shadow:0 0 0 2px rgb(70 81 230 / .3)}.queue-item:hover{transform:scale(1.05)}.queue-item .queue-remove{position:absolute;top:2px;right:2px;width:18px;height:18px;background:rgb(0 0 0 / .6);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;cursor:pointer;opacity:0;transition:opacity 0.2s}.queue-item:hover .queue-remove{opacity:1}.queue-item.add-btn{background:#f0f0f0;border:2px dashed #ccc;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#999}.queue-item.add-btn:hover{border-color:var(--brand-blue);color:var(--brand-blue)}.controls-panel{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1.5rem}.panel-section{margin-bottom:1.5rem}.panel-label{display:block;font-size:.9rem;font-weight:600;color:var(--text-dark);margin-bottom:.5rem}.form-control{width:100%;padding:.75rem 1rem;border:2px solid var(--border-color);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;transition:border-color 0.2s}.form-control:focus{outline:none;border-color:var(--brand-blue)}.image-info-card{background:#f8f9fc;border-radius:var(--radius-sm);padding:1rem;margin-bottom:1rem}.info-row{display:flex;justify-content:space-between;align-items:center;padding:.4rem 0}.info-row:not(:last-child){border-bottom:1px solid var(--border-color)}.info-label{color:var(--text-muted);font-size:.9rem}.info-value{font-weight:600;font-size:1rem}.input-group{display:flex;align-items:center;gap:.5rem}.input-wrap{flex:1}.input-wrap label{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:.25rem}.link-btn{width:40px;height:40px;border:2px solid var(--border-color);background:var(--bg-white);border-radius:var(--radius-sm);cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:all 0.2s;color:var(--brand-blue);margin-top:1.4rem}.link-btn:hover{border-color:var(--brand-blue)}.link-btn.locked{background:var(--brand-blue);border-color:var(--brand-blue);color:#fff}.link-btn:hover{cursor:pointer}.format-toggle{display:flex;gap:.5rem}.format-btn{flex:1;padding:.6rem;border:2px solid var(--border-color);background:var(--bg-white);border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:all 0.2s}.format-btn:hover{border-color:var(--brand-blue)}.format-btn.active{background:var(--brand-blue);border-color:var(--brand-blue);color:#fff}.quality-slider-wrap{display:flex;align-items:center;gap:1rem}.quality-slider{flex:1;height:6px;-webkit-appearance:none;appearance:none;background:#e2e8f0;border-radius:3px;outline:none}.quality-slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:var(--brand-blue);border-radius:50%;cursor:pointer;box-shadow:0 2px 6px rgb(70 81 230 / .4)}.quality-slider::-moz-range-thumb{width:20px;height:20px;background:var(--brand-blue);border-radius:50%;cursor:pointer;border:none}.quality-value{min-width:45px;text-align:center;font-weight:600;color:var(--text-dark)}.action-bar{margin-top:1.5rem}.btn-primary{width:100%;padding:1rem;background:linear-gradient(135deg,var(--brand-blue) 0%,var(--brand-pink) 100%);color:#fff;border:none;border-radius:var(--radius-md);font-size:1.1rem;font-weight:600;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgb(70 81 230 / .35)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#fff0;color:var(--text-muted);border:none;font-size:.95rem;cursor:pointer;text-decoration:underline}.btn-secondary:hover{color:var(--brand-blue)}.mt-3{margin-top:1rem}.mode-toggle{display:flex;gap:.5rem}.mode-btn{flex:1;padding:.7rem 1rem;border:2px solid var(--border-color);background:var(--bg-white);border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;transition:all 0.2s}.mode-btn:hover{border-color:var(--brand-blue)}.mode-btn.active{background:var(--brand-blue);border-color:var(--brand-blue);color:#fff}.fill-toggle{display:flex;gap:.5rem}.fill-btn{flex:1;padding:.6rem;border:2px solid var(--border-color);background:var(--bg-white);border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:all 0.2s}.fill-btn:hover{border-color:var(--brand-blue)}.fill-btn.active{background:var(--brand-blue);border-color:var(--brand-blue);color:#fff}@media (max-width:1024px){.resizer-workspace{grid-template-columns:1fr}.controls-panel{order:-1}}@media (max-width:640px){.resizer-app{padding:1rem}.resizer-title{font-size:1.8rem}.canvas-container{min-height:300px;padding:1rem}.format-toggle{flex-wrap:wrap}.format-btn{min-width:calc(50% - 0.25rem)}}