:root{
  --bg:#212529;
  --star:#F8F9FA;
  --fg:#F8F9FA;
  --muted:#CED4DA;

  --btn-bg: var(--star);
  --btn-fg: #212529;

  --chip-bg:#2A2F34;
  --chip-fg:#F8F9FA;
  --chip-bd:#394047;

  --header-h:64px;
  --scan-alpha:.06; --dot-alpha:.05; --dot-size:2px; --dot-gap:8px;
}

*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color:var(--fg); background:var(--bg);
  padding-top: var(--header-h);
  overflow-x:hidden;
}

/* Accesibilidad */
.skip{position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden}
.skip:focus{left:12px; top:12px; width:auto; height:auto; background:#000; color:#fff; padding:.5rem .75rem; border-radius:.5rem}

/* Fondo y overlays */
#starfield{ position:fixed; inset:0; width:100%; height:100%; z-index:-2; pointer-events:none }
.overlay{ position:fixed; inset:0; z-index:-1; pointer-events:none }
.scanlines{
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,var(--scan-alpha)) 0, rgba(255,255,255,var(--scan-alpha)) 1px, transparent 2px);
  mix-blend-mode: soft-light;
}
.dotgrid{
  background-image:
    radial-gradient(circle at center, rgba(255,255,255,var(--dot-alpha)) var(--dot-size), transparent var(--dot-size)),
    radial-gradient(80% 80% at 50% 50%, transparent 60%, rgba(0,0,0,.04) 100%);
  background-size: var(--dot-gap) var(--dot-gap), 100% 100%;
  mix-blend-mode: soft-light;
}

/* Header */
.topbar{
  position:fixed; top:0; left:0; right:0; height:var(--header-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 12px; gap:12px; z-index:1000;
  backdrop-filter: blur(6px);
  background: rgba(0,0,0,.2);
}
.brand{display:flex; align-items:center; gap:10px; user-select:none}
.logo{ width:28px; height:28px; display:grid; place-items:center; filter: drop-shadow(0 0 12px rgba(0,0,0,.35)); }
.logo img{ width:100%; height:100%; display:block }
.brand-name{ font-size:1.4rem; letter-spacing:.5px }
.brand-name .mx{ color:var(--star) }

.controls{display:flex; gap:12px; align-items:center}

/* Select idioma */
.select-wrap{display:flex; gap:.5rem; align-items:center; color:var(--fg); font-weight:700}
.select-wrap .lbl{opacity:.85}
.select-wrap select{
  background:var(--chip-bg); color:var(--chip-fg); border:1px solid var(--chip-bd);
  border-radius:10px; padding:.45rem .6rem; font-weight:700; cursor:pointer;
}

/* Layout principal */
.center{ position:relative; z-index:1; min-height: calc(100svh - var(--header-h)); display:grid; place-items:center; text-align:center; padding:2rem; }

/* Typewriter responsive */
.typewriter{
  display:inline;
  white-space:normal;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.caret{
  display:inline-block;
  width:2px;
  height:1em;
  background:var(--star);
  margin-left:2px;
  vertical-align:-0.15em;
  animation: caretBlink .85s step-end infinite;
}
@keyframes caretBlink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce){
  .caret{ animation:none }
}

h1{
  margin:0 0 .65rem;
  font-size:clamp(2.2rem, 6vw, 3.2rem);
  line-height:1.18;
  text-shadow:0 6px 28px rgba(0,0,0,.35);
  color: var(--fg);
}

/* Subtítulos */
.sub{
  max-width:75ch;
  margin: .35rem auto;
  color:var(--muted);
  line-height:1.7;
  font-size:clamp(1.02rem, 2.4vw, 1.18rem);
}
#subCombined span + span{ margin-left:.35em }
.sub-note{ margin-top:.5rem; opacity:.95 }

/* Botones */
.btn{
  display:inline-block; padding:.9rem 1.25rem; border-radius:14px; text-decoration:none;
  font-weight:900; letter-spacing:.25px; cursor:pointer; outline-offset:3px;
  color: var(--btn-fg); background: var(--btn-bg); border:1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow: 0 10px 36px rgba(248,249,250,.12), 0 0 0 2px rgba(248,249,250,.08) inset;
}
.btn:hover{ transform:translateY(-1px); box-shadow: 0 12px 42px rgba(248,249,250,.16), 0 0 0 2px rgba(0,0,0,.05) inset }
.btn:focus-visible{ outline:2px solid var(--star) }

.cta{ display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin:.9rem 0 1.1rem }

/* Footer */
.tiny{font-size:.95rem; color:color-mix(in oklab, var(--fg) 60%, transparent)}
.tiny .sep{ margin: 0 .5ch }
.tiny .hint{ opacity:.85 }

/* Toast */
#toast{
  position: fixed; left:50%; bottom:18px; transform: translateX(-50%);
  background: rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.25);
  color: var(--fg); padding:.55rem .8rem; border-radius:12px;
  font-size:.95rem; backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(0,0,0,.3);
  opacity:0; pointer-events:none; transition: opacity .25s ease;
  z-index: 2000;
}
#toast.show{ opacity:1 }

/* Ventana de minijuego */
.game-modal{
  position: fixed; inset:0; display:none; place-items:center; padding:16px;
  background: rgba(0,0,0,.45); backdrop-filter: blur(6px);
  z-index: 1500;
}
.game-modal[aria-hidden="false"]{ display:grid }

.game-window{
  width:min(960px, 100%);
  border:1px solid rgba(255,255,255,.22);
  background: rgba(19,20,24,.9);
  border-radius:16px; box-shadow: 0 30px 80px rgba(0,0,0,.55);
  padding:14px 14px 12px; position:relative;
}

.game-close{
  position:absolute; top:8px; right:8px; border:1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08); color: var(--fg);
  border-radius:10px; padding:.35rem .5rem; cursor:pointer
}
.game-close:hover{ background: rgba(255,255,255,.14) }

/* HUD */
.game-hud{
  position:absolute; top:8px; left:8px; right:8px; height:0;
  pointer-events:none;
}
.game-score{
  position:absolute; top:0; left:0; pointer-events:auto; font-weight:800
}
.game-title{
  position:absolute; top:0; left:50%; transform:translateX(-50%);
  pointer-events:none; font-weight:800; opacity:.9
}

#gameCanvas{
  width:100%; height:auto; display:block;
  border-radius:12px; background:#0f1217; border:1px solid rgba(255,255,255,.12)
}
.game-help{ font-size:.92rem; color:var(--muted); padding-top:8px }

/* Responsive header */
@media (max-width: 560px){
  .brand-name{ display:none }
  .topbar{ padding:0 8px }
}
@media (max-width: 420px){
  .hide-sm{ display:none }
  .btn{ width:100%; max-width:360px }
}