:root{--primary-color:#3b82f6;--primary-hover:#2563eb;--bg-color:#f8fafc;--surface-color:#fff;--text-primary:#0f172a;--text-secondary:#64748b;--border-color:#e2e8f0;--danger-color:#ef4444;--success-color:#22c55e;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:1rem;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:var(--primary-color);text-decoration:none}.app-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.header{text-align:center;margin-bottom:3rem}.header h1{color:var(--primary-color);margin-bottom:.5rem;font-size:2.5rem;font-weight:700}.header p{color:var(--text-secondary);font-size:1.1rem}.tabs-container{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:2rem;display:flex}.tab-button{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;border-radius:9999px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;transition:all .2s;display:flex}.tab-button:hover{border-color:var(--primary-color);color:var(--primary-color)}.tab-button.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:var(--shadow-md)}.tool-container{background-color:var(--surface-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);max-width:800px;margin:0 auto;padding:2rem}.tool-title{text-align:center;margin-bottom:1.5rem;font-size:1.5rem;font-weight:600}.dropzone{border:2px dashed var(--border-color);border-radius:var(--radius-md);text-align:center;cursor:pointer;background-color:#f8fafc;padding:3rem 2rem;transition:all .2s}.dropzone:hover,.dropzone.active{border-color:var(--primary-color);background-color:#eff6ff}.dropzone-icon{color:var(--primary-color);width:48px;height:48px;margin-bottom:1rem}.dropzone-text{margin-bottom:.5rem;font-size:1.1rem;font-weight:500}.dropzone-subtext{color:var(--text-secondary);font-size:.9rem}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary-color);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background-color:var(--primary-hover)}.btn-primary:disabled{cursor:not-allowed;background-color:#93c5fd}.btn-secondary{background-color:var(--surface-color);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-color)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{background-color:#dc2626}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-primary);margin-bottom:.5rem;font-weight:500;display:block}.form-control{border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s}.form-control:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #3b82f61a}.preview-area{text-align:center;margin-top:2rem}.preview-image{border-radius:var(--radius-md);max-width:100%;max-height:400px;box-shadow:var(--shadow-sm);object-fit:contain;margin-bottom:1rem}.preview-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem;margin-top:1rem;display:grid}.preview-item{border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-color);position:relative;overflow:hidden}.preview-item img{object-fit:cover;width:100%;height:150px;display:block}.preview-item-actions{position:absolute;top:.25rem;right:.25rem}.remove-btn{color:var(--danger-color);cursor:pointer;width:24px;height:24px;box-shadow:var(--shadow-sm);background-color:#ffffffe6;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.actions-row{justify-content:center;gap:1rem;margin-top:1.5rem;display:flex}.loader{vertical-align:middle;border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:1s linear infinite spin;display:inline-block}.loader-primary{border-color:#3b82f633;border-top-color:var(--primary-color);width:40px;height:40px;margin:1rem auto;display:block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.text-center{text-align:center}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.flex{display:flex}.justify-between{justify-content:space-between}.items-center{align-items:center}