:root{--bg:#f3e6c8;--papel:#fff8e6;--tinta:#3b2613;--rojo:#b8321f;--verde:#3d8b37;--borde:#7a5230}
*{box-sizing:border-box}
body{margin:0;background:var(--bg) repeating-linear-gradient(45deg,transparent 0 12px,#00000006 12px 24px);color:var(--tinta);font:16px/1.4 "Trebuchet MS",Verdana,sans-serif}
header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--rojo);border-bottom:4px solid var(--borde)}
.logo{color:#fff;font:900 26px Impact,"Arial Black",sans-serif;letter-spacing:2px;text-decoration:none;text-shadow:2px 2px 0 #000}
nav a{color:#fff;margin-left:14px;text-decoration:none;font-weight:bold}
main{max-width:860px;margin:16px auto;padding:0 12px}
footer{text-align:center;font-size:12px;opacity:.6;padding:20px}
.caja{background:var(--papel);border:3px solid var(--borde);border-radius:10px;padding:16px;margin-bottom:16px;box-shadow:3px 3px 0 #0002}
h1,h2,h3{font-family:Impact,"Arial Black",sans-serif;letter-spacing:1px;margin:.2em 0 .5em}
.btn{display:inline-block;min-height:44px;padding:10px 18px;border:3px solid var(--borde);border-radius:8px;background:#f5b52e;color:var(--tinta);font-weight:bold;font-size:16px;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.07)}
.btn.rojo{background:var(--rojo);color:#fff}.btn.verde{background:var(--verde);color:#fff}
.btn[disabled]{opacity:.5;cursor:not-allowed}
input{width:100%;min-height:44px;padding:8px 10px;border:2px solid var(--borde);border-radius:6px;font-size:16px;margin:4px 0 10px;background:#fff}
.fila{display:flex;gap:16px;flex-wrap:wrap}.fila>*{flex:1 1 260px}
.stat{display:flex;align-items:center;gap:8px;margin:4px 0}.stat b{width:90px}
.barra{flex:1;height:14px;background:#0002;border-radius:7px;overflow:hidden}.barra i{display:block;height:100%;background:var(--rojo)}
.chip{display:inline-block;background:#e9d3a5;border:2px solid var(--borde);border-radius:14px;padding:2px 10px;margin:3px;font-size:14px}
.chip.h{background:#cfe3f7}.chip.m{background:#d9efcf}
.rivales{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.rival{text-align:center;cursor:pointer}.rival:hover{transform:translateY(-2px)}
.err{color:var(--rojo);font-weight:bold}
table{width:100%;border-collapse:collapse}td,th{padding:6px;border-bottom:1px solid #0002;text-align:left}
canvas{max-width:100%;display:block;margin:0 auto}
#arena{width:100%;background:#cfa96a;border:3px solid var(--borde);border-radius:10px}
.opciones{display:grid;grid-template-columns:1fr 1fr;gap:12px}.opciones .btn{white-space:normal;min-height:80px}
.centro{text-align:center}
.peq{font-size:13px;opacity:.75}