:root{--negro:#141414;--rojo:#E5383B;--gris:#9b9493;--linea:#2e2e2e;color-scheme:dark}
*{box-sizing:border-box}html,body{margin:0}
body{font-family:Montserrat,system-ui,sans-serif;background:var(--negro) radial-gradient(900px 500px at 50% -120px,#E5383B66,transparent) no-repeat;color:#fff;min-height:100vh;
  padding:28px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px))}
header{text-align:center;margin-bottom:22px}
header h1{font-size:40px;font-weight:900;letter-spacing:.16em;margin:12px 0 0}
main{max-width:460px;margin:0 auto}
form{display:grid;gap:12px}
h2{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gris);margin:14px 0 2px}
.eventos{display:grid;gap:10px}
.ev{display:flex;align-items:center;gap:14px;background:#1e1e1e;border:2px solid var(--linea);border-radius:16px;padding:12px;cursor:pointer}
.ev:has(input:checked){border-color:var(--rojo);background:#241a1a}
.ev input{position:absolute;opacity:0;pointer-events:none}
.cal{flex:none;width:80px;border-radius:12px;overflow:hidden;background:#000;text-align:center;display:grid}
.cal i{font-style:normal;font-size:9px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:4px 2px}
.cal i:first-child{background:var(--rojo)}
.cal b{font-size:30px;font-weight:900;line-height:1.1}
.info{flex:1;min-width:0;display:grid;gap:2px;font-size:13px;color:#d6d0cf}
.info b{font-size:15px;color:#fff}
.precio{font-size:20px;font-weight:900;white-space:nowrap}
.campo{display:grid;gap:6px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#d6d0cf}
.campo input{font:500 16px Montserrat,system-ui,sans-serif;padding:14px;border-radius:12px;border:1.5px solid var(--linea);background:#1e1e1e;color:#fff;width:100%}
.campo input:focus{outline:none;border-color:#fff}
button{margin-top:8px;font:800 14px Montserrat,system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase;border:0;border-radius:14px;padding:18px;background:var(--rojo);color:#fff;cursor:pointer}
button:disabled{opacity:.6}
.error{margin:0;background:#3a1416;border:1px solid #7a2a2d;color:#ffd6d7;padding:12px;border-radius:12px;font-size:14px}
.error[hidden]{display:none}
.pie{font-size:12px;line-height:1.6;color:var(--gris);text-align:center;margin:4px 0 0}
.vacio{text-align:center;margin-top:30px}.vacio h2{color:#fff;font-size:16px;letter-spacing:.04em;text-transform:none}.vacio p{color:var(--gris)}
header .sub{margin:6px 0 0;color:#d6d0cf;font-size:14px;letter-spacing:.06em}header .sub b{color:#fff;text-transform:capitalize}
.campo select{font:500 16px Montserrat,system-ui,sans-serif;padding:14px;border-radius:12px;border:1.5px solid var(--linea);background:#1e1e1e;color:#fff;width:100%;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,#fff 50%),linear-gradient(135deg,#fff 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.campo select:focus{outline:none;border-color:#fff}
.ayuda{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:none;color:var(--gris);margin-top:-2px}
.cuota{display:flex;align-items:center;gap:14px;border-radius:16px;padding:14px;background:var(--c,#E5383B);color:#fff}
.cuota[hidden]{display:none}
.cuota img{width:62px;height:62px;object-fit:contain;filter:drop-shadow(0 4px 8px rgba(0,0,0,.35))}
.cuota div{display:grid;gap:2px}.cuota span{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.cuota b{font-size:30px;font-weight:900;line-height:1.05}.cuota small{font-size:12px;opacity:.9}
.subir{background:#1e1e1e;border:2px dashed var(--linea);border-radius:14px;padding:14px;grid-template-columns:auto 1fr;align-items:center;gap:14px;text-transform:none;letter-spacing:0;font-weight:500;font-size:13px;cursor:pointer}
.subir img{width:58px;height:58px;border-radius:50%;object-fit:cover}.subir input{display:none}.subir b{color:#fff}
.error a{color:#fff;font-weight:700}
.hecho{text-align:center;display:grid;gap:10px;justify-items:center;margin-top:20px}.hecho h2{color:#fff;font-size:20px;letter-spacing:.02em;text-transform:none}.hecho p{color:#d6d0cf;line-height:1.6;margin:0}