/* php-generador-robots-txt - estilos */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f172a;--surface:#1e293b;--text:#f1f5f9;--muted:#94a3b8;
  --primary:#3b82f6;--primary-hover:#2563eb;--success:#10b981;--error:#ef4444;
  --border:#334155;--radius:8px;
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
header{background:linear-gradient(135deg,#1e293b,#334155);padding:2rem 1rem;text-align:center}
header h1{font-size:1.8rem;margin-bottom:.5rem}
.subtitle{color:var(--muted)}
main{max-width:800px;margin:2rem auto;padding:0 1rem}
label{display:block;margin:1.2rem 0 .5rem;font-weight:600}
input,select,textarea{
  width:100%;background:var(--surface);color:var(--text);border:1px solid var(--border);
  border-radius:var(--radius);padding:.7rem 1rem;font-size:.95rem;font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);border-color:var(--primary)}
textarea{font-family:"Cascadia Code",Consolas,monospace;resize:vertical}
.botones{display:flex;gap:.75rem;flex-wrap:wrap;margin:1.5rem 0}
button{padding:.7rem 1.4rem;border:none;border-radius:var(--radius);cursor:pointer;font-size:.95rem;font-weight:600;transition:all .2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-secundario{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.btn-secundario:hover{background:#334155}
.resultado{margin-top:1rem;padding:1rem;border-radius:var(--radius);overflow-x:auto}
.resultado.ok{background:#052e1a;border:1px solid var(--success)}
.resultado pre{margin:0}
.resultado code{font-family:"Cascadia Code",Consolas,monospace;color:#86efac;font-size:.9rem}
.info{background:var(--surface);padding:1.5rem;border-radius:var(--radius);margin-top:2rem;border-left:4px solid var(--primary)}
.info h2{font-size:1.2rem;margin-bottom:.75rem}
.info code{background:#334155;padding:.2rem .4rem;border-radius:4px;font-size:.85rem}
footer{text-align:center;padding:2rem 1rem;color:var(--muted);border-top:1px solid var(--border);margin-top:2rem}
footer a{color:var(--primary);text-decoration:none}
footer a:hover{text-decoration:underline}
@media(max-width:600px){header h1{font-size:1.4rem}.botones{flex-direction:column}button{width:100%}}