/* Minimalny styl dla ładnego landing page */
:root{--bg1:#0f172a;--bg2:#0ea5e9}
html,body{height:100%;}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;background:linear-gradient(135deg,var(--bg1),var(--bg2));color:#fff;display:flex;align-items:center;justify-content:center}

.hero{text-align:center;padding:2rem;max-width:720px}
h1{font-size:3rem;margin:0 0 .5rem}
.lead{font-size:1.1rem;margin-bottom:1rem;opacity:.95}
.muted{opacity:.75}
.cta{display:inline-block;background:rgba(255,255,255,0.12);color:#fff;padding:.6rem 1rem;border-radius:8px;text-decoration:none;font-weight:600;border:1px solid rgba(255,255,255,0.08);cursor:pointer}
form label{display:block;margin-bottom:6px;font-weight:600}
textarea{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);color:#fff;padding:8px;border-radius:6px}

.code-row{display:flex;gap:8px;margin-bottom:8px}
.code-input{flex:1;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);color:#fff;padding:10px;border-radius:6px}
.remove-btn{background:rgba(255,0,0,0.12);border:1px solid rgba(255,255,255,0.04);padding:8px;border-radius:6px}
.add-btn{background:rgba(0,200,83,0.12);border:1px solid rgba(255,255,255,0.04)}
.result{margin-top:20px;text-align:left;background:rgba(255,255,255,0.04);padding:1rem;border-radius:8px}
.per-code-block{margin-bottom:8px}