body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0d0d0d;color:#f5f5f5;display:flex;justify-content:center;align-items:center;min-height:100vh}.wrapper{width:min(500px,90vw);background:#1a1a1a;padding:2rem;border-radius:12px;box-shadow:0 6px 20px rgba(0,0,0,.6);text-align:center}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}h1{font-size:1.5rem;margin:0}.lead{opacity:.9;margin-bottom:1.5rem}.lang-switch{background:#f5f5f5;color:#0d0d0d;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-weight:600}.form{display:grid;gap:12px}input,textarea{padding:12px;border-radius:8px;border:none;background:#2b2b2b;color:#f5f5f5;font-size:.95rem}input::placeholder,textarea::placeholder{color:#b0b0b0}button[type=submit]{background:#f5f5f5;color:#0d0d0d;border:none;border-radius:8px;padding:12px;font-weight:600;cursor:pointer;transition:background .2s ease}button[type=submit]:hover{background:#dcdcdc}button:disabled{opacity:.6;cursor:not-allowed}.success{margin-top:1rem;color:#90ee90}.error{margin-top:1rem;color:#ff7f7f}