:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg-gradient:linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);--glass-bg:#ffffffb3;--glass-border:#ffffff80;--glass-shadow:0 8px 32px 0 #1f268712;--text-main:#1f2937;--text-muted:#6b7280;color:var(--text-main);background:var(--bg-gradient);min-height:100vh;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body{justify-content:center;align-items:center;min-height:100vh;margin:0;display:flex}h1,h2,h3,h4,h5,h6{font-weight:700}.app-container{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);width:95%;max-width:1000px;box-shadow:var(--glass-shadow);border-radius:20px;margin:1rem auto;padding:1.5rem}.header{text-align:center;margin-bottom:2rem}.header h1{background:linear-gradient(90deg,#4f46e5,#ec4899);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2rem}.header p{color:var(--text-muted);font-size:1rem}.content-grid{grid-template-columns:1fr;gap:2rem;display:grid}@media (width>=768px){.app-container{border-radius:24px;margin:2rem auto;padding:2.5rem}.header h1{font-size:2.5rem}.header p{font-size:1.1rem}.content-grid{grid-template-columns:1fr 1fr;gap:3rem}}.input-section{flex-direction:column;gap:1.5rem;display:flex}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-group label{color:var(--text-main);font-size:.95rem;font-weight:600}.url-input{background:#ffffffe6;border:2px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;font-family:inherit;font-size:1rem;transition:all .2s}.url-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #4f46e533}.file-upload-wrapper{display:inline-block;position:relative;overflow:hidden}.file-upload-btn{cursor:pointer;color:var(--text-muted);background:#ffffff80;border:2px dashed #cbd5e1;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;padding:1.5rem;font-weight:500;transition:all .2s;display:flex}.file-upload-btn:hover{border-color:var(--primary);color:var(--primary);background:#4f46e50d}.file-input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.logo-preview-container{align-items:center;gap:1rem;margin-top:.5rem;display:flex}.logo-thumbnail{object-fit:cover;border:1px solid #e5e7eb;border-radius:8px;width:48px;height:48px}.remove-logo-btn{color:#ef4444;cursor:pointer;background:#fee2e2;border:none;border-radius:6px;padding:.4rem .8rem;font-size:.85rem;font-weight:500;transition:background .2s}.remove-logo-btn:hover{background:#fecaca}.preview-section{background:#fff6;border:1px solid #fff9;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;padding:2rem;display:flex}.qr-wrapper{background:#fff;border-radius:16px;margin-bottom:2rem;padding:1.5rem;transition:transform .3s;box-shadow:0 4px 20px #0000000d}.qr-wrapper:hover{transform:translateY(-5px)}.qr-wrapper canvas{max-width:100%;height:auto!important}.download-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:12px;align-items:center;gap:.5rem;padding:.85rem 2rem;font-size:1rem;font-weight:600;transition:all .2s;display:flex;box-shadow:0 4px 12px #4f46e54d}.download-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 16px #4f46e566}.download-btn:active{transform:translateY(0)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.app-container{animation:.6s ease-out fadeIn}