/* Estética Super Nintendo compartida: ventanas con borde blanco (estilo JRPG), paneles biselados, paleta rica.
   Cada juego puede cambiar los colores redefiniendo las variables --win*, --hud*, --frame, --accent. */
:root{
  color-scheme:dark;
  --bg:#0a0b26; --ink:#f4f1ff; --muted:#b4b1e2;
  --gold:#ffd23f; --red:#ff4d5e; --green:#4be38a; --edge:#f4f1ff;
  --win1:#3f58d6; --win2:#2338a8; --win3:#141d73;
  --hud1:#4a52c4; --hud2:#262c82; --hud3:#1a1f64;
  --btn1:#5a63d6; --btn2:#2b3190; --btn3:#1c2166;
  --frame:#4a52c4; --glow:#5a63ff55; --accent:var(--gold);
  --bg-a:#2a2f86; --bg-b:#0a0b26; --bg-c:#12154a;
  --pix:"Press Start 2P","Courier New",monospace;
  --read:"VT323","Courier New",monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{
  font-family:var(--read);font-size:20px;
  padding:12px max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px));
  min-height:100svh;
  /* Centrado vertical y horizontal: en pantalla completa el juego no queda pegado arriba */
  display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 50% -10%,var(--bg-a) 0,transparent 55%),
    radial-gradient(#ffffff22 1px,transparent 1.5px) 0 0/28px 28px,
    linear-gradient(var(--bg-b),var(--bg-c));
}
.wrap{width:min(100%,620px,max(270px,calc((100svh - var(--chrome,190px)) * 0.7778)));margin:0 auto;display:flex;flex-direction:column;gap:8px}

/* HUD biselado */
.hud{display:flex;justify-content:space-between;align-items:center;gap:6px 8px;flex-wrap:wrap;font-family:var(--pix);font-size:9px;line-height:1;
  background:linear-gradient(var(--hud1),var(--hud2) 55%,var(--hud3));border:2px solid var(--edge);border-radius:8px;
  box-shadow:0 0 0 2px #000,inset 0 2px 0 #ffffff59,inset 0 -3px 0 #0000006b;padding:8px 10px;font-variant-numeric:tabular-nums;text-shadow:1px 1px 0 #000}
.hearts{display:flex;gap:3px}
.hearts svg{width:15px;height:13px;shape-rendering:crispEdges;filter:drop-shadow(1px 1px 0 #000)}
.hearts .off{opacity:.25;filter:grayscale(1)}
.fails{display:flex;gap:3px;align-items:center}
.fails i{display:inline-grid;place-items:center;width:13px;height:13px;border:2px solid var(--muted);border-radius:3px;font-style:normal;color:transparent;font-size:8px}
.fails i.on{border-color:#fff;background:linear-gradient(#ff7b88,var(--red));color:#fff}
.mute{font:inherit;font-size:9px;color:var(--ink);background:linear-gradient(var(--btn1),var(--btn2));border:2px solid var(--edge);border-radius:5px;padding:4px 5px;cursor:pointer;box-shadow:0 2px 0 #000}

/* Pantalla de juego */
.game{position:relative;width:100%;aspect-ratio:224/288;border:3px solid var(--edge);border-radius:10px;
  box-shadow:0 0 0 3px #000,0 0 0 5px var(--frame),0 12px 0 #000,0 0 40px var(--glow);background:#000;overflow:hidden}
canvas#cv{display:block;width:100%;height:100%;image-rendering:pixelated;image-rendering:crisp-edges}

/* Ventana de pregunta estilo JRPG */
.dlg{position:absolute;inset:auto 6px 6px 6px;max-height:calc(100% - 12px);overflow:auto;
  background:linear-gradient(var(--win1) 0,var(--win2) 45%,var(--win3) 100%);
  border:3px solid var(--edge);border-radius:10px;
  box-shadow:inset 0 0 0 2px #0a0b30,inset 0 3px 0 2px #ffffff30,0 0 0 2px #000,0 6px 18px #000a;
  padding:10px 12px;display:flex;flex-direction:column;gap:8px;text-shadow:2px 2px 0 #000}
.dtop{display:flex;gap:10px;align-items:center}
#pv{image-rendering:pixelated;border:2px solid var(--edge);border-radius:5px;background:#0a0b30;flex:none;box-shadow:0 0 0 2px #000,inset 0 0 12px #0008}
.cat{font-family:var(--pix);font-size:8px;color:var(--accent);line-height:1.6}
.dq{margin:0;font-size:23px;line-height:1.02}
.opts{display:flex;flex-direction:column;gap:4px}
.opt{font:inherit;font-size:20px;line-height:1.05;color:var(--ink);text-align:left;background:transparent;border:2px solid transparent;border-radius:6px;padding:4px 6px 4px 24px;cursor:pointer;position:relative;text-shadow:inherit}
.opt::before{content:"";position:absolute;left:7px;top:50%;margin-top:-6px;border:6px solid transparent;border-left:9px solid var(--gold);opacity:0;filter:drop-shadow(1px 1px 0 #000)}
.opt.sel,.opt:hover:not([disabled]){border-color:var(--gold);background:linear-gradient(90deg,#ffd23f40,#ffd23f10)}
.opt.sel::before,.opt:hover:not([disabled])::before{opacity:1;animation:nudge .5s steps(2) infinite}
@keyframes nudge{50%{transform:translateX(3px)}}
@keyframes blink{50%{opacity:.35}}
.opt .k{color:var(--gold)}
.opt.right{border-color:var(--green);background:linear-gradient(90deg,#1c7a47,#13502f)}
.opt.wrong{border-color:var(--red);background:linear-gradient(90deg,#8a2236,#5a1525)}
.opt.cut{opacity:.35;text-decoration:line-through}
.opt[disabled]{cursor:default}
.fb{font-size:19px;line-height:1.05;border-top:2px dashed #b4b1e2aa;padding-top:6px}
.fb b{font-family:var(--pix);font-size:10px;display:block;margin-bottom:6px}
.fb b.ok{color:var(--green)} .fb b.no{color:var(--red)}
.fb .ans{color:var(--green)}
.btn{font-family:var(--pix);font-size:10px;color:#2a1b00;background:linear-gradient(#fff3a6,var(--gold) 50%,#f0a800);border:3px solid #fff;border-radius:7px;box-shadow:0 4px 0 #8a6a00,0 0 0 2px #000;padding:10px 12px;cursor:pointer;align-self:flex-start;text-shadow:none}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 #8a6a00,0 0 0 2px #000}
.btn:focus-visible,.opt:focus-visible,.mute:focus-visible,.pad button:focus-visible,.life:focus-visible{outline:3px solid #fff;outline-offset:2px}

/* Pantallas (título, game over…) */
.screen{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:12px;background:rgba(10,11,40,.72)}
.screen.title{align-items:stretch;flex-direction:column;justify-content:space-between;padding:12px;background:linear-gradient(transparent 30%,rgba(10,11,40,.55) 55%,rgba(10,11,40,.92) 100%)}
.sbox{background:linear-gradient(var(--win1),var(--win2) 55%,var(--win3));border:3px solid var(--edge);border-radius:10px;
  box-shadow:inset 0 0 0 2px #0a0b30,inset 0 3px 0 2px #ffffff30,0 0 0 2px #000;padding:14px;display:flex;flex-direction:column;gap:10px;max-height:100%;overflow:auto;width:100%;text-shadow:2px 2px 0 #000}
.screen.title .sbox{gap:8px;padding:10px 12px}
.big{font-family:var(--pix);font-size:clamp(14px,4.6vw,20px);line-height:1.35;margin:0;color:var(--gold);text-shadow:3px 3px 0 #000;text-wrap:balance}
.big.red{color:var(--red)} .big.green{color:var(--green)}
.small{font-family:var(--pix);font-size:8px;line-height:1.8;color:var(--muted);margin:0}
.rules{margin:0;padding-left:18px;font-size:19px;line-height:1.05}
.rv{border-top:2px dashed #b4b1e2aa;padding-top:6px;font-size:18px;line-height:1.05}
.rv span{color:var(--green);display:block}
.topics{font-family:var(--pix);font-size:8px;line-height:1.8;color:var(--gold);margin:0}

.logo{text-align:center;font-family:var(--pix);margin-top:4px;position:relative}
.logo small{display:block;font-size:8px;letter-spacing:1px;color:#fff;text-shadow:2px 2px 0 #000;margin-bottom:6px}
.logo b{display:block;font-size:clamp(20px,7.2vw,32px);line-height:1.1;font-weight:400;
  background:linear-gradient(#fffbd0 0%,#ffe45a 40%,#ff9a1f 56%,#c24800 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
  -webkit-text-stroke:3px #2a0d00;paint-order:stroke fill;filter:drop-shadow(3px 4px 0 #000)}
.logo em{display:inline-block;margin-top:8px;font-style:normal;font-size:8px;color:#1a1300;background:linear-gradient(#fff3a6,#ffd23f);border:2px solid #fff;border-radius:4px;padding:4px 6px;box-shadow:0 2px 0 #000;text-shadow:none}
.press{animation:blink 1s steps(2) infinite}
.help{position:relative;font-family:var(--pix);font-size:7px;line-height:1.8;color:var(--muted);text-align:center;margin:10px 0 0}
/* Móvil: menos margen lateral para aprovechar el ancho */
@media (max-width:480px){body{padding:8px max(8px,env(safe-area-inset-right,0px)) 14px max(8px,env(safe-area-inset-left,0px))}}
@media (prefers-reduced-motion:reduce){.press,.opt.sel::before{animation:none}}