:root{--bg:#f4efe8;--ink:#2b2522;--muted:#7a6f68;--accent:#e8743b;--panel:#fffaf4;--line:#e2d8cc;
  --ok:#3c9d5d;--bad:#d64545;--warn:#e0a526;--blue:#3a78c9;--green:#3c9d5d;--red:#d64545;--yellow:#e0b020}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  user-select:none;-webkit-user-select:none;touch-action:manipulation}
button{font:inherit;font-weight:800;font-size:18px;min-height:56px;padding:0 22px;border-radius:16px;border:2px solid var(--ink);
  background:var(--panel);color:var(--ink);cursor:pointer}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:default}
.screen{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:24px 16px;text-align:center;overflow:auto}
.screen h1{font-size:clamp(36px,8vw,64px);margin:0}
.sub{font-size:19px;color:var(--muted);margin:0 0 8px}
.col{display:flex;flex-direction:column;gap:12px;width:min(360px,100%)}
.row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.card{background:var(--panel);border:2px solid var(--line);border-radius:20px;padding:18px 20px;max-width:540px;text-align:left;line-height:1.5}
.hidden{display:none!important}
.toggle{display:flex;border:2px solid var(--ink);border-radius:16px;overflow:hidden}
.toggle button{border:0;border-radius:0;flex:1;min-width:70px}.toggle button.on{background:var(--ink);color:var(--bg)}
input.name{font:inherit;font-size:20px;min-height:56px;padding:0 16px;border-radius:16px;border:2px solid var(--line);background:var(--panel);width:100%}
.prow{display:flex;gap:8px}.prow button{min-width:56px;padding:0}
.rrow{display:flex;justify-content:space-between;gap:10px;padding:10px 4px;border-bottom:1px solid var(--line);font-size:18px}
.rrow:last-child{border:0}.rrow .pos{font-weight:900;width:34px}.rrow .n{flex:1;font-weight:700}.rrow .v{color:var(--muted)}
.stats{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;font-size:17px}.stats b{display:block;font-size:30px}
/* juego */
#play{position:fixed;inset:0;display:flex;flex-direction:column}
.hud{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;font-weight:800;font-size:20px;gap:10px}
.hud .t{font-variant-numeric:tabular-nums;font-size:26px}.hud .t.low{color:var(--bad)}
#area{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:12px;min-height:0}
#flash{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);font-size:120px;font-weight:900;pointer-events:none;opacity:0;transition:opacity .15s}
#flash.on{opacity:.9}
.big{font-size:clamp(40px,10vw,84px);font-weight:900}
.msg{font-size:22px;font-weight:700;color:var(--muted);min-height:30px}
.grid{display:grid;gap:10px}
.cell{border-radius:14px;border:2px solid var(--line);background:var(--panel);display:flex;align-items:center;justify-content:center;cursor:pointer}
.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;width:min(1000px,100%)}
.hub-card{text-decoration:none;color:inherit;background:var(--panel);border:2px solid var(--line);border-radius:20px;padding:18px;text-align:left;display:block}
.hub-card:hover{border-color:var(--accent)}.hub-card .e{font-size:36px}.hub-card h3{margin:6px 0 4px;font-size:22px}
.hub-card p{margin:0;color:var(--muted);font-size:15px}.hub-card.off{opacity:.5;pointer-events:none}
.tag{display:inline-block;font-size:12px;font-weight:800;background:var(--line);border-radius:99px;padding:3px 10px;margin-top:8px}
/* bajo estímulo */
html.calm{--accent:#b98a6a;--bad:#b56b6b;--ok:#6f9c7c;--bg:#f2efeb}
html.calm *:not(#ball){transition:none!important;animation:none!important}
html.calm #flash{display:none}