* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
:root {
  --bg: #0e0f12;
  --panel: #16181d;
  --line: #262a31;
  --txt: #e6e8ec;
  --dim: #8a90a0;
  --sq-light: #eeeed2;
  --sq-dark: #6f8f4e;
  --ok: #2e9e5b;
  --bad: #c8453b;
}
html, body {
  background: var(--bg); color: var(--txt);
  font-family: -apple-system, system-ui, "Segoe UI", sans-serif;
  height: 100%; overflow: hidden;
}
#hdr {
  display: flex; justify-content: space-between; align-items: center;
  padding: max(env(safe-area-inset-top), 14px) 18px 12px;
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; letter-spacing: 2px; font-size: 14px; }
.stats { color: var(--dim); font-size: 13px; font-variant-numeric: tabular-nums; }

#app {
  display: flex; flex-direction: column; align-items: center;
  gap: 18px; padding: 20px 16px; max-width: 520px; margin: 0 auto;
}

/* tablero */
.board {
  width: min(92vw, 460px); aspect-ratio: 1;
  display: grid; grid-template-columns: repeat(8, 1fr);
  border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
}
.sq { display: flex; align-items: center; justify-content: center;
      font-size: min(14vw, 66px); line-height: 1; user-select: none; overflow: hidden; }
.sq.light { background: var(--sq-light); }
.sq.dark  { background: var(--sq-dark); }
.pc.w { color: #fafafa; text-shadow: 0 0 2px #000, 0 1px 2px rgba(0,0,0,.6); }
.pc.b { color: #14161a; text-shadow: 0 0 2px #cfd3da, 0 1px 1px rgba(255,255,255,.25); }

.turno { color: var(--dim); font-size: 14px; letter-spacing: .5px; text-transform: uppercase; }
.pregunta { font-size: 22px; font-weight: 600; text-align: center; line-height: 1.3; min-height: 30px; }

.botones { display: flex; gap: 14px; width: 100%; }
.btn {
  border: none; border-radius: 12px; color: #fff; font-size: 22px; font-weight: 700;
  padding: 22px 0; cursor: pointer; letter-spacing: 1px; transition: transform .05s, opacity .15s;
}
.btn:active { transform: scale(.97); }
.si { flex: 1; background: var(--ok); }
.no { flex: 1; background: #3a4150; }
.next { width: 100%; background: var(--panel); border: 1px solid var(--line); font-size: 18px; padding: 18px 0; }

.veredicto {
  width: 100%; background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px; text-align: center; font-size: 16px; line-height: 1.5;
}
.veredicto .big { font-size: 20px; font-weight: 700; display: block; margin-bottom: 6px; }
.veredicto.good { border-color: var(--ok); }
.veredicto.bad  { border-color: var(--bad); }
.veredicto .good-t { color: #55d98a; }
.veredicto .bad-t  { color: #ec6a60; }
.veredicto .sol { color: var(--dim); font-size: 15px; margin-top: 8px; }
.veredicto .porque { color: var(--txt); font-size: 15px; margin-top: 12px; line-height: 1.45;
  padding-top: 12px; border-top: 1px solid var(--line); }
.veredicto .libro { color: #b9a06a; font-size: 14px; margin-top: 8px; font-style: italic; }

.oculto { display: none !important; }