:root{
  --celeste:#5BB8E0; --celeste-osc:#1F6E9C; --celeste-claro:#E8F5FC; --celeste-suave:#CDEAF8;
  --oro:#C29B3C; --oro-claro:#E7CF8A; --oro-osc:#8E6D1F;
  --tinta:#17324A; --gris:#5B6B7A; --linea:#D8E6EF; --blanco:#FFFFFF;
  --ok:#1E7B4F; --error:#B3261E;
  --radio:16px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--blanco);color:var(--tinta);font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:16px;line-height:1.55}
img{max-width:100%;height:auto}
a{color:var(--celeste-osc)}
h1,h2,h3{font-family:"Cormorant Garamond",Georgia,serif;line-height:1.15;margin:0 0 .4em}
.contenedor{max-width:880px;margin:0 auto;padding:0 16px}

/* Encabezado */
.hero{background:linear-gradient(160deg,#F4FAFE 0%,var(--celeste-claro) 45%,var(--celeste-suave) 100%);border-bottom:3px solid var(--oro);text-align:center;padding:28px 0 34px}
.hero .logo{width:132px;height:auto;filter:drop-shadow(0 6px 14px rgba(31,110,156,.22))}
.sello{display:inline-block;margin:14px 0 10px;padding:6px 14px;border:1px solid var(--oro);border-radius:999px;color:var(--oro-osc);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;background:rgba(255,255,255,.7)}
.hero h1{font-size:clamp(1.9rem,6vw,2.9rem);color:var(--celeste-osc);font-weight:700}
.hero .sub{font-size:1.02rem;color:var(--tinta);margin:0 auto 6px;max-width:640px}
.datos-evento{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:16px}
.datos-evento span{background:#fff;border:1px solid var(--linea);border-radius:12px;padding:8px 14px;font-size:.9rem;font-weight:500}
.datos-evento b{color:var(--oro-osc)}
.creditos{margin-top:18px;font-size:.88rem;color:var(--gris)}
.creditos strong{color:var(--tinta)}

/* Tarjetas */
.tarjeta{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);box-shadow:0 10px 30px rgba(23,50,74,.07);padding:26px 20px;margin:26px 0}
.tarjeta h2{font-size:1.9rem;color:var(--celeste-osc)}
.tarjeta .intro{color:var(--gris);margin-top:0}
.filete{height:2px;width:70px;background:linear-gradient(90deg,var(--oro),var(--oro-claro));border:0;margin:6px 0 18px}

/* Formulario */
.campo{margin-bottom:16px}
.campo label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
.campo .ayuda{font-size:.8rem;color:var(--gris);margin-top:4px}
input[type=text],input[type=email],input[type=tel],input[type=url],input[type=password],select,textarea{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid var(--linea);border-radius:12px;background:#FBFDFF;color:var(--tinta);transition:border-color .15s, box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--celeste);box-shadow:0 0 0 4px rgba(91,184,224,.2)}
.fila{display:grid;grid-template-columns:1fr;gap:0 14px}
@media(min-width:620px){.fila.dos{grid-template-columns:1fr 1fr}}
.tel{display:grid;grid-template-columns:118px 1fr;gap:8px}
.check{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--linea);border-radius:12px;background:#FBFDFF;margin-bottom:12px;font-size:.9rem}
.check input{width:22px;height:22px;margin-top:2px;flex:0 0 auto;accent-color:var(--celeste-osc)}
.check .opcional{display:inline-block;font-size:.72rem;font-weight:700;color:var(--oro-osc);letter-spacing:.06em;text-transform:uppercase}
.oculto{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:15px 26px;font:inherit;font-weight:700;font-size:1rem;cursor:pointer;text-decoration:none;transition:transform .1s, box-shadow .15s, opacity .15s}
.btn:active{transform:translateY(1px)}
.btn-primario{background:linear-gradient(135deg,var(--celeste-osc),var(--celeste));color:#fff;box-shadow:0 8px 20px rgba(31,110,156,.28);width:100%}
.btn-oro{background:linear-gradient(135deg,var(--oro-osc),var(--oro) 55%,var(--oro-claro));color:#fff;box-shadow:0 8px 20px rgba(142,109,31,.28)}
.btn-desactivado{background:#E9EEF2;color:#7D8A96;cursor:not-allowed;box-shadow:none}
.btn-sec{background:#fff;border:1.5px solid var(--celeste-osc);color:var(--celeste-osc)}
.btn-peq{padding:8px 14px;font-size:.85rem}

/* Mensajes */
.aviso{border-radius:12px;padding:14px 16px;margin:0 0 18px;font-size:.95rem}
.aviso.error{background:#FDECEA;color:var(--error);border:1px solid #F5C2BD}
.aviso.ok{background:#E8F6EE;color:var(--ok);border:1px solid #B9E3CB}
.aviso.info{background:var(--celeste-claro);color:var(--celeste-osc);border:1px solid var(--celeste-suave)}
.confirmacion{text-align:center}
.confirmacion .id{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.35rem;font-weight:700;letter-spacing:.06em;color:var(--celeste-osc);background:var(--celeste-claro);border:1.5px dashed var(--celeste);border-radius:12px;padding:10px 18px;margin:8px 0 14px}

/* Promoción */
.promo{position:relative;overflow:hidden;border:1.5px solid var(--oro-claro);background:linear-gradient(160deg,#FFFDF6 0%,#FFF8E6 100%)}
.promo .etiqueta{display:inline-block;background:var(--oro);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin-bottom:12px}
.promo h2{color:var(--oro-osc)}
.precio{font-family:"Cormorant Garamond",Georgia,serif;font-size:2.6rem;font-weight:700;color:var(--tinta);line-height:1}
.precio small{font-family:Montserrat,sans-serif;font-size:.9rem;font-weight:600;color:var(--gris)}
.promo .nota{font-size:.82rem;color:var(--gris)}

/* Verificación */
.resultado{border-radius:var(--radio);padding:22px 18px;text-align:center}
.resultado.valido{background:#E8F6EE;border:1.5px solid #9BD3B3}
.resultado.invalido{background:#FDECEA;border:1.5px solid #F0B3AD}
.resultado.anulado{background:#FFF4E5;border:1.5px solid #F2C98A}
.resultado .icono{font-size:2.4rem;line-height:1}
.resultado h3{font-size:1.7rem;margin:.3em 0}
.resultado dl{display:grid;grid-template-columns:1fr;gap:6px;text-align:left;max-width:520px;margin:14px auto 0}
.resultado dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gris);font-weight:700}
.resultado dd{margin:0 0 8px;font-weight:600}

/* Pie */
.pie{text-align:center;color:var(--gris);font-size:.85rem;padding:30px 16px 40px;border-top:1px solid var(--linea);margin-top:30px;background:#FAFCFE}
.pie p{margin:6px 0}
.pie-links a{color:var(--celeste-osc);text-decoration:none;font-weight:600}
.pie-mini{font-size:.78rem}

/* Texto legal */
.legal h2{font-size:1.5rem;margin-top:1.2em}
.legal p,.legal li{font-size:.95rem}

/* Panel administrativo */
.admin-top{background:var(--celeste-osc);color:#fff;padding:12px 0}
.admin-top .contenedor{max-width:1280px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.admin-top a{color:#fff}
.admin-top h1{font-size:1.4rem;margin:0;color:#fff}
.admin .contenedor{max-width:1280px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}
@media(min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;border:1px solid var(--linea);border-radius:14px;padding:14px}
.stat b{display:block;font-size:1.8rem;color:var(--celeste-osc);font-family:"Cormorant Garamond",serif}
.stat span{font-size:.8rem;color:var(--gris)}
.herramientas{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0}
.herramientas input[type=text]{max-width:320px;padding:10px 12px}
.tabla-wrap{overflow-x:auto;border:1px solid var(--linea);border-radius:14px;background:#fff}
table.tabla{border-collapse:collapse;width:100%;font-size:.85rem;min-width:980px}
.tabla th,.tabla td{padding:9px 10px;border-bottom:1px solid var(--linea);text-align:left;vertical-align:top}
.tabla th{background:var(--celeste-claro);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;position:sticky;top:0}
.tabla tr:hover td{background:#FAFDFF}
.chip{display:inline-block;border-radius:999px;padding:3px 9px;font-size:.72rem;font-weight:700;white-space:nowrap}
.chip.si{background:#E8F6EE;color:var(--ok)}
.chip.no{background:#EEF2F5;color:#6B7A88}
.chip.cert{background:#FFF6DD;color:var(--oro-osc)}
.chip.anul{background:#FDECEA;color:var(--error)}
.acciones form{display:inline}
.acciones button{margin:2px 0}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.8rem}
.login{max-width:420px;margin:40px auto}

.btn-stripe{width:100%;max-width:560px;font-size:.98rem;letter-spacing:.02em;text-align:center;line-height:1.3;padding:17px 22px}