:root{--bg-dark:#0f172a;--bg-gradient:linear-gradient(135deg, #0f172a 0%, #1e293b 100%);--glass-bg:#ffffff08;--glass-border:#ffffff14;--primary:#3b82f6;--primary-hover:#2563eb;--text-main:#f8fafc;--text-muted:#94a3b8;--radius-lg:16px;--radius-md:12px;--radius-sm:8px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-main);flex-direction:column;min-height:100vh;font-family:Inter,sans-serif;display:flex}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg)}.container{width:100%;max-width:1200px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:3rem}header h1{background:linear-gradient(90deg,#60a5fa,#a78bfa);color:#0000;-webkit-background-clip:text;font-size:2.5rem}.main-layout{grid-template-columns:1fr;gap:2rem;display:grid}@media (width>=992px){.main-layout{grid-template-columns:1fr 400px}}.tabs{scrollbar-width:none;gap:.5rem;margin-bottom:2rem;padding-bottom:1rem;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}.tab-btn{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:.3rem;min-width:70px;padding:.6rem 1rem;font-size:.7rem;display:flex}.tab-btn:hover{background:#ffffff0d}.tab-btn.active{color:var(--primary);background:#3b82f61a}.input-group{margin-bottom:1.5rem}.input-group label{color:var(--text-muted);margin-bottom:.5rem;font-size:.8rem;display:block}input,select{border:1px solid var(--glass-border);border-radius:var(--radius-md);width:100%;color:var(--text-main);background:#0003;padding:.75rem}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;padding:.75rem 1rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{color:var(--text-main);border:1px solid var(--glass-border);background:#ffffff0d}.btn-secondary.active{background:var(--primary);color:#fff;border-color:var(--primary)}.preview-container{text-align:center;padding:2rem;position:sticky;top:2rem}.qr-frame-wrapper{border-radius:40px;flex-direction:column;align-items:center;min-width:340px;padding:30px;transition:all .3s;display:inline-flex;overflow:visible}.qr-wrapper{background:#fff;border-radius:12px;justify-content:center;align-items:center;padding:10px;display:flex}.qr-wrapper svg,.qr-wrapper canvas{display:block;width:280px!important;height:280px!important}.frame-text{letter-spacing:1px;text-transform:uppercase;padding:15px 0;font-size:1.2rem;font-weight:800}.frame-bubble{background:inherit;color:#fff;border-radius:50px;margin-bottom:25px;padding:12px 25px;font-size:.9rem;font-weight:800;position:relative}.bubble-tail{color:inherit;border-top:10px solid;border-left:10px solid #0000;border-right:10px solid #0000;position:absolute;bottom:-10px;left:50%;transform:translate(-50%)}.frame-elegant{border:8px double inherit;padding:15px}.actions{gap:.5rem;width:100%;display:flex}.grid-2{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.ad-banner{border-radius:var(--radius-md);text-align:center;color:var(--text-muted);border:1px dashed #fff3;margin-top:2rem;padding:1.5rem;font-size:.85rem}