/* =============================================================================
   LA TECLA - nucleo visual compartido por la portada y los tres modos.
   Escala de radios (unica, no inventar otra):
     teclas 7px  ·  paneles 14px  ·  botones e insignias 999px (pildora)
   Cada modo pisa SOLO --acento y --acento-tinta desde su <body class>.
   ============================================================================= */

:root {
  --fondo: #0d0d10;
  --fondo-2: #121216;
  --panel: #17171c;
  --panel-2: #1d1d23;
  --linea: #2a2a32;
  --linea-2: #383842;
  --texto: #f1eee7;
  --apagado: #9a98a3;
  --tenue: #5f5e68;
  --error: #ff3d7f;
  --oro: #ffc53d;
  --hielo: #8ee3ff;
  --acento: #f1eee7;
  --acento-tinta: #0d0d10;
  --display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --r-tecla: 7px;
  --r-panel: 14px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

body.modo-fiebre { --acento: #ff6a2b; --acento-tinta: #1a0a03; }
body.modo-reto   { --acento: #ffc53d; --acento-tinta: #1a1203; }
body.modo-ritmo  { --acento: #3ddcff; --acento-tinta: #03141a; }

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--fondo);
  color: var(--texto);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
}
button { font: inherit; color: inherit; }
a { color: inherit; }
::selection { background: var(--acento); color: var(--acento-tinta); }

/* grano fijo, nunca sobre un contenedor que scrollea */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 90;
  opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  height: 48px; padding: 0 22px; border-radius: 999px;
  border: 1px solid var(--linea-2); background: var(--panel-2);
  font-family: var(--mono); font-weight: 700; font-size: 14px; letter-spacing: .04em;
  cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: transform .15s var(--ease), background .2s, border-color .2s;
}
.btn:hover { border-color: var(--apagado); }
.btn:active { transform: scale(.97); }
.btn:focus-visible, .icono-btn:focus-visible { outline: 2px solid var(--acento); outline-offset: 3px; }
.btn.primario { background: var(--acento); color: var(--acento-tinta); border-color: var(--acento); }
.btn.primario:hover { filter: brightness(1.08); }
.btn .tecla-pista {
  font-size: 11px; font-weight: 700; padding: 3px 7px; border-radius: 5px;
  background: rgba(0,0,0,.18); letter-spacing: 0;
}
.btn:not(.primario) .tecla-pista { background: var(--linea); color: var(--apagado); }
.icono-btn {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 999px;
  border: 1px solid var(--linea); background: var(--panel); cursor: pointer; font-size: 19px;
  color: var(--apagado); transition: color .2s, border-color .2s, transform .15s var(--ease);
  text-decoration: none;
}
.icono-btn:hover { color: var(--texto); border-color: var(--linea-2); }
.icono-btn:active { transform: scale(.94); }

/* =============================================================================
   ESTRUCTURA DEL JUEGO
   ============================================================================= */
#app {
  height: 100dvh; display: grid; grid-template-rows: auto 1fr auto; grid-template-columns: minmax(0, 1fr);
  max-width: 1680px; margin: 0 auto; position: relative;
}

/* ---------- HUD ---------- */
.hud {
  display: flex; align-items: center; gap: 28px;
  padding: 16px clamp(16px, 2.4vw, 36px) 14px;
}
.hud .marca { display: flex; align-items: center; gap: 12px; }
.hud .nombre-modo {
  font-family: var(--display); font-weight: 800; font-size: 15px; letter-spacing: .02em;
  color: var(--acento);
}
.hud .stats { display: flex; gap: clamp(18px, 2.6vw, 44px); margin-left: auto; margin-right: auto; }
.stat { display: grid; gap: 2px; min-width: 48px; }
.stat .k { font-size: 10px; letter-spacing: .16em; color: var(--tenue); text-transform: uppercase; }
.stat .v {
  font-family: var(--display); font-weight: 700; font-size: 22px; line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat.grande .v { color: var(--acento); font-size: 26px; }
.stat .v.salta { animation: salta .35s var(--ease); }
@keyframes salta { 30% { transform: translateY(-3px) scale(1.08); } }
.hud .acciones { display: flex; gap: 8px; align-items: center; }
.vidas { display: flex; gap: 5px; font-size: 18px; color: var(--acento); }
.vidas i.perdida { color: var(--linea-2); }

/* ---------- escena ---------- */
#escena { position: relative; overflow: hidden; min-height: 0; }
#escena canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* aviso central (nivel, poderes, etc.) */
.aviso {
  position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%);
  font-family: var(--display); font-weight: 800; font-size: clamp(28px, 5vw, 64px);
  color: var(--acento); text-align: center; pointer-events: none; white-space: nowrap;
  opacity: 0;
}
.aviso small {
  display: block; font-family: var(--mono); font-weight: 500; font-size: 14px;
  letter-spacing: .2em; color: var(--apagado); margin-top: 8px;
}
.aviso.ver { animation: aviso 1.5s var(--ease) forwards; }
@keyframes aviso {
  0% { opacity: 0; transform: translate(-50%, -40%) scale(.92); }
  15%, 70% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -58%) scale(1.02); }
}

/* =============================================================================
   TECLADO PLANO (desktop: dibujo de 5 filas latinoamericano / celular: tactil)
   ============================================================================= */
#teclado { padding: 0 clamp(16px, 2.4vw, 36px) 18px; }
.kb {
  --h: clamp(30px, 4.3vh, 46px);
  display: grid; gap: 5px; max-width: 980px; margin: 0 auto;
  user-select: none; -webkit-user-select: none;
}
.kb-fila { display: flex; gap: 5px; }
.kb-tecla {
  flex: var(--w, 1) 1 0; height: var(--h); min-width: 0;
  border: 1px solid var(--linea); background: var(--fondo-2); border-radius: var(--r-tecla);
  display: grid; align-content: center; justify-items: start; padding: 0 9px;
  color: var(--apagado); position: relative;
  transition: background .25s, border-color .25s, color .25s;
}
.kb-tecla .p { font-size: 13px; font-weight: 600; line-height: 1; }
.kb-tecla .s { font-size: 9px; color: var(--tenue); line-height: 1; margin-bottom: 3px; }
.kb-tecla.letra .p { font-size: 14px; color: var(--texto); opacity: .78; }
.kb-tecla.mod .p { font-size: 10px; letter-spacing: .04em; color: var(--tenue); }
.kb-tecla.pista { border-color: var(--acento); color: var(--texto); }
.kb-tecla.pista::after {
  content: ""; position: absolute; left: 9px; bottom: 5px; width: 12px; height: 2px;
  border-radius: 2px; background: var(--acento);
}
.kb-tecla.ok { background: var(--acento); border-color: var(--acento); transition: none; }
.kb-tecla.ok .p, .kb-tecla.ok .s { color: var(--acento-tinta); opacity: 1; }
.kb-tecla.mal { background: var(--error); border-color: var(--error); transition: none; }
.kb-tecla.mal .p { color: #1a0410; opacity: 1; }

/* celular: el teclado ES el control */
.kb.tactil { --h: clamp(44px, 6.4vh, 54px); gap: 7px; max-width: 560px; }
.kb.tactil .kb-fila { gap: 5px; justify-content: center; }
.kb.tactil .kb-tecla {
  flex: 0 1 calc((100% - 45px) / 10); justify-items: center; padding: 0;
  background: var(--panel-2); border-color: var(--linea-2); touch-action: manipulation;
}
.kb.tactil .kb-tecla .p { font-size: 18px; font-weight: 600; text-transform: lowercase; opacity: .95; }
.kb.tactil .kb-tecla.ancha { flex-basis: calc((100% - 45px) / 10 * 1.5 + 2.5px); }
.kb.tactil .kb-tecla.ancha .p { font-size: 18px; }

/* =============================================================================
   CAPAS (intro / pausa / fin)
   ============================================================================= */
.capa {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center;
  padding: 16px; background: rgba(9, 9, 12, .78);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s;
  overflow-y: auto;
}
.capa.abierta { opacity: 1; visibility: visible; }
.tarjeta {
  width: min(560px, 100%); background: var(--panel); border: 1px solid var(--linea);
  border-radius: var(--r-panel); padding: clamp(22px, 3.4vw, 36px);
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  transform: translateY(10px) scale(.985); transition: transform .35s var(--ease);
  margin: auto;
}
.capa.abierta .tarjeta { transform: none; }
.tarjeta h1 {
  font-family: var(--display); font-weight: 800; color: var(--acento);
  font-size: clamp(40px, 7vw, 64px); line-height: 1; margin: 0 0 6px; letter-spacing: -.01em;
}
.tarjeta .bajada { color: var(--apagado); font-size: 14px; line-height: 1.6; margin: 0 0 24px; max-width: 44ch; }
.tarjeta h2 {
  font-family: var(--display); font-weight: 700; font-size: 26px; margin: 0 0 18px; line-height: 1.15;
}
.pasos { display: grid; gap: 14px; margin: 0 0 26px; padding: 0; list-style: none; }
.pasos li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: center; font-size: 14px; line-height: 1.5; }
.pasos li i {
  width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center;
  background: var(--panel-2); border: 1px solid var(--linea); color: var(--acento); font-size: 19px;
}
.pasos b { color: var(--texto); }
.pasos span { color: var(--apagado); }
.fila-btn { display: flex; gap: 10px; flex-wrap: wrap; }
.fila-btn .btn.primario { flex: 1 1 200px; }
.nota-chica { margin-top: 16px; font-size: 12px; color: var(--tenue); display: flex; gap: 14px; flex-wrap: wrap; }
.nota-chica kbd {
  font-family: var(--mono); font-size: 11px; padding: 2px 6px; border-radius: 5px;
  border: 1px solid var(--linea-2); color: var(--apagado);
}
.mejor-marca { display: flex; gap: 22px; margin: 0 0 22px; padding: 14px 16px; border-radius: 10px; background: var(--fondo-2); border: 1px solid var(--linea); }

/* ---------- fin de partida ---------- */
.resultado { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 10px; margin-bottom: 18px; }
.resultado .puntaje {
  font-family: var(--display); font-weight: 800; font-size: clamp(48px, 9vw, 76px); line-height: .95;
  color: var(--acento); font-variant-numeric: tabular-nums;
}
.resultado .etiqueta { font-size: 11px; letter-spacing: .18em; color: var(--tenue); text-transform: uppercase; margin-bottom: 8px; }
.insignia {
  display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px; border-radius: 999px;
  background: var(--acento); color: var(--acento-tinta); font-size: 12px; font-weight: 700; letter-spacing: .04em;
  white-space: nowrap;
}
.btn.solo-icono { width: 48px; padding: 0; flex: none; }
.grilla-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 20px; }
.grilla-stats .stat { background: var(--fondo-2); border: 1px solid var(--linea); border-radius: 10px; padding: 10px 12px; }
.grilla-stats .stat .v { font-size: 20px; }

.ranking { margin-bottom: 20px; }
.ranking-cab { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.ranking-cab b { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--apagado); }
.ranking-cab span { font-size: 12px; color: var(--tenue); }
.ranking ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; max-height: 196px; overflow-y: auto; }
.ranking li {
  display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; align-items: center;
  padding: 7px 10px; border-radius: 8px; font-size: 14px; font-variant-numeric: tabular-nums;
}
.ranking li:nth-child(odd) { background: var(--fondo-2); }
.ranking li .pos { color: var(--tenue); font-size: 12px; }
.ranking li.yo { background: var(--acento); color: var(--acento-tinta); }
.ranking li.yo .pos { color: var(--acento-tinta); }
.ranking li.vacio { display: block; color: var(--tenue); font-size: 13px; padding: 10px; }
.ranking .esqueleto li { height: 34px; background: var(--fondo-2); animation: titila 1.2s infinite; }
@keyframes titila { 50% { opacity: .45; } }

.alias { display: grid; gap: 6px; margin-bottom: 18px; }
.alias label { font-size: 12px; color: var(--apagado); }
.alias .fila { display: flex; gap: 8px; }
.alias input {
  width: 130px; height: 48px; border-radius: 10px; border: 1px solid var(--linea-2); background: var(--fondo-2);
  color: var(--texto); font-family: var(--display); font-weight: 800; font-size: 22px; letter-spacing: .3em;
  text-align: center; text-transform: uppercase; padding-left: .3em;
}
.alias input:focus { outline: 2px solid var(--acento); outline-offset: 2px; border-color: transparent; }
.alias .estado { font-size: 12px; color: var(--apagado); min-height: 16px; }
.alias .estado.mal { color: var(--error); }

/* =============================================================================
   CELULAR
   ============================================================================= */
@media (max-width: 760px) {
  .hud { gap: 12px; padding: 10px 14px 8px; }
  .hud .nombre-modo { display: none; }
  .hud .stats { gap: 14px; min-width: 0; }
  .hud .acciones [data-a="sonido"] { display: none; }
  .vidas { font-size: 14px; gap: 3px; }
  .fila-btn .btn.primario { flex-basis: 0; }
  .stat .v { font-size: 18px; }
  .stat.grande .v { font-size: 20px; }
  .stat.solo-desk { display: none; }
  .icono-btn { width: 38px; height: 38px; font-size: 18px; }
  #teclado { padding: 0 6px calc(8px + env(safe-area-inset-bottom)); }
  .grilla-stats { grid-template-columns: repeat(2, 1fr); }
  .tarjeta .bajada { margin-bottom: 18px; }
  .pasos { gap: 12px; margin-bottom: 22px; }
  .nota-chica.solo-desk { display: none; }
  #capa-fin .fila-btn { flex-wrap: nowrap; }
  #capa-pausa .fila-btn .btn { flex: 1 1 100%; }
  .btn .txt-desk { display: none; }
  .btn[data-a="compartir"] { width: 48px; padding: 0; flex: none; }
}
@media (pointer: coarse) { .solo-teclado-fisico { display: none !important; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}