:root{--background:#09090b;--surface:#18181b;--surface-hover:#27272a;--border:#27272a;--text-primary:#fafafa;--text-secondary:#a1a1aa;--mega-red:#ef4444;--mega-red-hover:#dc2626;--mega-red-transparent:#ef44441a;--mega-red-glow:#ef44444d;--success:#22c55e;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--glass-bg:#18181b99;--glass-border:#ffffff14}@keyframes pulse-glow{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 15px #ef444400}to{box-shadow:0 0 #ef444400}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text-primary);background-image:radial-gradient(circle at 15%,#ef444414,#0000 25%),radial-gradient(circle at 85% 30%,#ffffff05,#0000 25%);flex-direction:column;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;display:flex}#root{flex-direction:column;flex:1;display:flex}h1{background:linear-gradient(90deg,#fff,#a1a1aa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:700}h2{margin-bottom:1rem;font-size:1.5rem;font-weight:600}p{color:var(--text-secondary);line-height:1.5}.container{flex-direction:column;flex:1;justify-content:center;width:100%;max-width:800px;margin:0 auto;padding:2rem;display:flex}.header{text-align:center;margin-bottom:3rem}.logo{color:var(--mega-red);justify-content:center;align-items:center;gap:.5rem;margin-bottom:2rem;font-size:1.5rem;font-weight:800;display:flex}.grid{grid-template-columns:1fr;gap:2rem;display:grid}@media (width>=768px){.grid{grid-template-columns:1fr 1fr}}.card{background-color:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-xl);flex-direction:column;gap:1.5rem;padding:2.5rem;transition:all .4s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 4px 24px -1px #0003}.card:hover{border-color:#ffffff26;transform:translateY(-4px);box-shadow:0 20px 40px -10px #00000080,0 0 20px #ef44440d}.dropzone{border-radius:var(--radius-lg);text-align:center;cursor:pointer;background:linear-gradient(#ffffff05 0%,#fff0 100%);border:2px dashed #fff3;padding:4rem 2rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.dropzone-content{flex-direction:column;justify-content:center;align-items:center;display:flex}.mt-4{margin-top:1rem}.dropzone:hover,.dropzone.active{border-color:var(--mega-red);background-color:var(--mega-red-transparent)}.dropzone-icon{color:var(--mega-red);margin-bottom:1rem;transition:transform .3s}.dropzone:hover .dropzone-icon{transform:scale(1.1)}.dropzone p.hint{opacity:.7;margin-top:.5rem;font-size:.875rem}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-code{background-color:var(--background);border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;color:var(--text-primary);letter-spacing:.5rem;outline:none;padding:1rem;font-size:2rem;font-weight:700;transition:border-color .2s,box-shadow .2s}.input-code:focus{border-color:var(--mega-red);box-shadow:0 0 0 3px var(--mega-red-transparent)}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.75rem;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--mega-red);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--mega-red-hover);box-shadow:0 0 20px var(--mega-red-glow)}.btn-secondary{background-color:var(--surface-hover);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background-color:#3f3f46}.btn-danger{color:var(--mega-red);border:1px solid var(--mega-red-transparent);background-color:#0000}.btn-danger:hover:not(:disabled){background-color:var(--mega-red-transparent)}.btn-full{width:100%}.code-display{justify-content:center;align-items:center;gap:1rem;margin:2rem 0;display:flex}.digit{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-md);width:4.5rem;height:5.5rem;color:var(--mega-red);text-shadow:0 0 20px #ef444480;background:linear-gradient(135deg,#ffffff0d 0%,#fff0 100%);border:1px solid #ef44444d;justify-content:center;align-items:center;font-size:3.5rem;font-weight:800;animation:2s infinite pulse-glow;display:flex;box-shadow:0 8px 32px #ef444426}.qr-code{border-radius:var(--radius-md);background:#fff;margin:0 auto;padding:1rem}.alert{border-radius:var(--radius-md);align-items:center;gap:.5rem;padding:1rem;font-size:.875rem;display:flex}.alert-error{color:#f87171;background-color:#ef44441a;border:1px solid #ef444433}.alert-success{color:#4ade80;background-color:#22c55e1a;border:1px solid #22c55e33}.footer{text-align:center;color:var(--text-secondary);margin-top:auto;padding:2rem;font-size:.875rem}.preview-container{border:1px solid var(--border);border-radius:var(--radius-md);background-color:var(--background);width:100%;height:60vh;margin-bottom:1.5rem;overflow:hidden}.preview-container iframe{border:none;width:100%;height:100%}