/* =============================================================================
   BUSCAMINAS - estilos propios (familia visual de La Tecla, sin importarla).
   Radios: teclas 7px · paneles 14px · botones pildora 999px
   ============================================================================= */
:root {
  --fondo: #0d0d10;
  --fondo-2: #121216;
  --panel: #17171c;
  --panel-2: #1d1d23;
  --linea: #2a2a32;
  --linea-2: #383842;
  --texto: #f1eee7;
  --apagado: #9a98a3;
  --tenue: #6a6974;
  --acento: #3dff9a;
  --acento-tinta: #03170c;
  --bandera: #ff3d7f;
  --peligro: #ff4d5e;
  --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;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--fondo); color: var(--texto); font-family: var(--mono);
  overflow: hidden; overscroll-behavior: none;
  -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent;
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }

#app { position: fixed; inset: 0; overflow: hidden; }
#escena { position: absolute; inset: 0; }
#escena canvas { display: block; width: 100%; height: 100%; outline: none; }

/* ---------- 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: .03em;
  cursor: pointer; white-space: nowrap;
  transition: transform .15s var(--ease), background .2s, border-color .2s, filter .2s;
}
.btn:hover { border-color: var(--apagado); }
.btn:active { transform: scale(.96); }
.btn.primario { background: var(--acento); color: var(--acento-tinta); border-color: var(--acento); }
.btn.primario:hover { filter: brightness(1.08); }
.btn i { font-size: 17px; }
.tecla-pista {
  font-size: 11px; font-weight: 700; padding: 3px 7px; border-radius: 5px;
  background: rgba(0,0,0,.2); letter-spacing: 0;
}
.btn:not(.primario) .tecla-pista { background: var(--linea); color: var(--apagado); }
.icono-btn {
  width: 42px; height: 42px; flex: none; 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);
}
.icono-btn:hover { color: var(--texto); border-color: var(--linea-2); }
.icono-btn:active { transform: scale(.92); }
.icono-btn.apagado { color: var(--tenue); }
:is(.btn, .icono-btn, .dif-btn, .modo button):focus-visible { outline: 2px solid var(--acento); outline-offset: 3px; }

/* ---------- HUD ---------- */
.hud {
  position: absolute; top: 0; left: 0; right: 0; z-index: 5;
  display: flex; align-items: center; gap: 14px;
  padding: max(14px, env(safe-area-inset-top)) clamp(12px, 2.4vw, 32px) 12px;
  background: linear-gradient(var(--fondo) 55%, rgba(13,13,16,0));
  pointer-events: none;
}
.hud > * { pointer-events: auto; }
.marca { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.marca .nombre { font-family: var(--display); font-weight: 800; font-size: 15px; letter-spacing: .03em; }
.marca .dif { font-size: 12px; color: var(--apagado); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.stats { display: flex; gap: 10px; margin: 0 auto; }
.stat {
  display: inline-flex; align-items: center; gap: 9px; height: 42px; padding: 0 16px 0 13px;
  border-radius: 999px; background: var(--panel); border: 1px solid var(--linea);
  font-family: var(--mono); font-weight: 700; font-size: 19px; font-variant-numeric: tabular-nums;
  min-width: 96px; justify-content: center;
}
.stat i { font-size: 18px; color: var(--apagado); }
.stat .ic-bandera { color: var(--bandera); }
.stat.salta span { animation: salta .35s var(--ease); display: inline-block; }
@keyframes salta { 35% { transform: translateY(-3px) scale(1.1); } }
.acciones { display: flex; gap: 8px; }

/* ---------- barra inferior ---------- */
.barra {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 5;
  display: flex; align-items: center; justify-content: center; gap: 18px;
  padding: 12px clamp(12px, 2.4vw, 32px) max(16px, env(safe-area-inset-bottom));
  background: linear-gradient(rgba(13,13,16,0), var(--fondo) 45%);
  pointer-events: none;
}
.barra > * { pointer-events: auto; }
.modo {
  display: flex; padding: 4px; gap: 4px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--linea);
}
.modo button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 20px; border-radius: 999px; border: 0; background: transparent;
  color: var(--apagado); font-weight: 700; font-size: 14px; letter-spacing: .03em; cursor: pointer;
  transition: background .2s, color .2s, transform .15s var(--ease);
}
.modo button i { font-size: 18px; }
.modo button:active { transform: scale(.95); }
.modo button[data-modo="abrir"][aria-pressed="true"] { background: var(--acento); color: var(--acento-tinta); }
.modo button[data-modo="bandera"][aria-pressed="true"] { background: var(--bandera); color: #24030f; }
.pista { margin: 0; font-size: 12px; color: var(--tenue); letter-spacing: .02em; }
kbd {
  display: inline-block; font-family: var(--mono); font-size: 11px; font-weight: 700; color: var(--apagado);
  padding: 2px 6px; margin: 0 2px 0 8px; border-radius: 5px; background: var(--panel); border: 1px solid var(--linea);
  border-bottom-width: 2px;
}
kbd:first-child { margin-left: 0; }

/* ---------- pantalla de inicio ---------- */
.menu {
  position: absolute; inset: 0; z-index: 10;
  display: grid; grid-template-columns: minmax(0, 480px) 1fr; align-items: center;
  padding: clamp(24px, 5vw, 88px);
  pointer-events: none;
  background: linear-gradient(90deg, var(--fondo) 0, rgba(13,13,16,.85) 34%, rgba(13,13,16,0) 56%);
}
.menu-panel { pointer-events: auto; display: flex; flex-direction: column; gap: 26px; animation: entra .6s var(--ease) both; }
@keyframes entra { from { opacity: 0; transform: translateY(14px); } }
.titulo {
  margin: 0; font-family: var(--display); font-weight: 800; line-height: .9; letter-spacing: -.01em;
  font-size: clamp(46px, 5.6vw, 92px);
}
.titulo span { display: block; color: var(--acento); }
.difs { display: grid; gap: 10px; }
.dif-btn {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; text-align: left;
  padding: 15px 18px; border-radius: var(--r-panel); cursor: pointer;
  background: var(--panel); border: 1px solid var(--linea); border-bottom: 3px solid #0a0a0c;
  transition: transform .15s var(--ease), border-color .2s, background .2s;
}
.dif-btn:hover { border-color: var(--linea-2); border-bottom-color: #0a0a0c; background: var(--panel-2); transform: translateY(-1px); }
.dif-btn:active { transform: translateY(2px); border-bottom-width: 1px; margin-bottom: 2px; }
.dif-btn .txt { display: grid; gap: 4px; min-width: 0; }
.dif-btn .n { font-family: var(--display); font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 10px; }
.dif-btn .d { font-size: 12px; color: var(--apagado); }
.dif-btn .rec { font-size: 13px; color: var(--tenue); white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; }
.dif-btn .rec.tiene { color: var(--texto); }
.dif-btn .rec i { color: var(--acento); }
.del-dia { border-color: rgba(61,255,154,.35); }
.del-dia:hover { border-color: var(--acento); }
.hoy {
  font-family: var(--mono); font-size: 10px; font-weight: 800; letter-spacing: .1em;
  padding: 3px 8px; border-radius: 999px; background: var(--acento); color: var(--acento-tinta);
}
.como { margin: 0; font-size: 13px; line-height: 1.65; color: var(--apagado); max-width: 46ch; }

/* ---------- pausa / aviso ---------- */
.pausa, .aviso {
  position: absolute; inset: 0; z-index: 20; display: grid; place-items: center; padding: 16px;
  background: var(--fondo);
}
.caja { display: grid; justify-items: center; gap: 20px; text-align: center; max-width: 420px; }
.caja > i { font-size: 40px; color: var(--peligro); }
.caja p { margin: 0; color: var(--apagado); line-height: 1.6; font-size: 14px; }
.caja .titulo-chico, .titulo-chico { font-family: var(--display); font-weight: 800; font-size: 34px; color: var(--texto); }
.botones { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

/* ---------- resultado ---------- */
.final {
  position: absolute; z-index: 8; left: 50%; bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(620px, calc(100% - 32px));
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 16px 16px 16px 20px; border-radius: var(--r-panel);
  background: var(--panel); border: 1px solid var(--linea-2);
  box-shadow: 0 24px 60px rgba(0,0,0,.55);
  animation: sube .45s var(--ease) both;
}
@keyframes sube { from { opacity: 0; transform: translate(-50%, 16px); } }
.final-info { display: flex; align-items: center; gap: 14px; min-width: 0; }
.final-ic {
  width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center; font-size: 24px;
  background: rgba(61,255,154,.12); color: var(--acento);
}
.final.perdio .final-ic { background: rgba(255,77,94,.13); color: var(--peligro); }
.final-titulo { margin: 0; font-family: var(--display); font-weight: 800; font-size: 20px; }
.final-det { margin: 4px 0 0; font-size: 13px; color: var(--apagado); font-variant-numeric: tabular-nums; }
.final-det b { color: var(--acento); font-weight: 700; }
.final .botones { flex-wrap: nowrap; }
.final .btn { height: 44px; padding: 0 18px; }

/* ---------- visibilidad por vista ---------- */
#app:not([data-vista="jugando"]):not([data-vista="pausa"]):not([data-vista="fin"]) :is(.hud, .barra) { display: none; }
#app:not([data-vista="menu"]) .menu { display: none; }
#app[data-vista="fin"] .barra { display: none; }
#app[data-modo="bandera"] #escena { cursor: crosshair; }

.solo-tactil { display: none; }
@media (pointer: coarse) {
  .solo-mouse { display: none !important; }
  .solo-tactil { display: block; }
}

/* ---------- celular ---------- */
@media (max-width: 760px) {
  .hud { gap: 8px; padding-left: 12px; padding-right: 12px; }
  .marca { display: none; }
  .stats { gap: 6px; }
  .stat { min-width: 0; padding: 0 12px 0 10px; font-size: 17px; gap: 7px; height: 40px; }
  .icono-btn { width: 40px; height: 40px; font-size: 18px; }
  .acciones { gap: 6px; }
  .barra { gap: 10px; }
  .modo { flex: 1; max-width: 360px; }
  .modo button { flex: 1; height: 50px; font-size: 15px; }
  .icono-btn#b-encuadre { width: 50px; height: 50px; }

  .menu {
    grid-template-columns: minmax(0, 1fr); align-items: end; padding: 16px 16px max(18px, env(safe-area-inset-bottom));
    background: linear-gradient(rgba(13,13,16,0) 0, rgba(13,13,16,0) 22%, var(--fondo) 48%);
  }
  .menu-panel { gap: 18px; }
  .titulo { font-size: 44px; }
  .dif-btn { padding: 12px 14px; }
  .dif-btn .n { font-size: 15px; }
  .como { font-size: 12.5px; }

  .final { flex-direction: column; align-items: stretch; gap: 14px; padding: 16px; }
  .final .botones { display: grid; grid-template-columns: 1fr auto; }
}
@media (max-width: 360px) {
  .stat { padding: 0 9px 0 8px; font-size: 16px; }
  .icono-btn { width: 36px; height: 36px; }
}
@media (max-width: 760px) and (max-height: 700px) {
  .titulo { font-size: 36px; }
  .como { display: none !important; }
}

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

/* volver al hub de dimensiones */
.a-hub { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; color: var(--tenue, #7d7b88); text-decoration: none;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: -10px; }
.a-hub:hover { color: var(--texto, #f1efe8); }