/*! Letrago Flip — estilos. Cambia los colores con estas variables en tu sitio: */
.lfj {
  --lfj-fondo: #F8FAF6;  --lfj-texto: #16233A;   --lfj-suave: #566273;
  --lfj-tablero: #16233A; --lfj-ficha-a: #2A3A53; --lfj-ficha-b: #23324A;
  --lfj-letra: #EFE5C8;  --lfj-acento: #E2A11B;  --lfj-bien: #2C7654; --lfj-mal: #B3362B;
  --lfj-fuente: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  position: relative; max-width: 640px; margin: 0 auto; padding: clamp(1rem, 3vw, 1.6rem);
  background: var(--lfj-fondo); color: var(--lfj-texto); border-radius: 14px;
  box-shadow: 0 20px 50px -30px rgba(22,35,58,.45); font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
.lfj * { box-sizing: border-box; }
.lfj-cab { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .6rem; }
.lfj-modos { display: inline-flex; background: rgba(22,35,58,.07); border-radius: 999px; padding: 3px; }
.lfj-modo { border: 0; background: none; padding: .45rem .9rem; border-radius: 999px; font-weight: 600; color: var(--lfj-suave); cursor: pointer; font-size: .9rem; }
.lfj-modo.is-on { background: var(--lfj-tablero); color: var(--lfj-letra); }
.lfj-marcador { font-size: .95rem; color: var(--lfj-suave); }
.lfj-marcador strong { font: 700 1.6rem/1 var(--lfj-fuente); color: var(--lfj-texto); }
.lfj-tiempo { font-weight: 700; font-variant-numeric: tabular-nums; }
.lfj-barra { height: 6px; background: rgba(22,35,58,.08); border-radius: 99px; margin: .8rem 0 1.1rem; overflow: hidden; }
.lfj-barra i { display: block; height: 100%; width: 100%; background: var(--lfj-acento); transition: width .2s linear; }
.lfj-urgente .lfj-barra i { background: var(--lfj-mal); }
.lfj-urgente .lfj-tiempo { color: var(--lfj-mal); }
.lfj-escena { text-align: center; min-height: 18rem; }

/* Fichas split-flap */
.lfj-fichas { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 4px; padding: .6rem; background: var(--lfj-tablero); border-radius: 10px; }
.lfj-ficha {
  position: relative; display: inline-grid; place-items: center; min-width: 1.15em; height: 1.45em; padding: 0 .08em;
  font: 700 clamp(1.5rem, 6vw, 2.4rem)/1 var(--lfj-fuente); color: var(--lfj-letra);
  background: linear-gradient(var(--lfj-ficha-a) 50%, var(--lfj-ficha-b) 50%); border-radius: 4px;
  animation: lfj-flip .5s cubic-bezier(.3,1.4,.5,1) both; transform-origin: 50% 50%;
}
.lfj-ficha::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: rgba(0,0,0,.45); }
.lfj-titulo { margin: .4rem 0 1rem; }
.lfj-fichas-actual .lfj-ficha { font-size: clamp(1.3rem, 5vw, 2rem); animation-duration: .25s; }
.lfj-actual { min-height: 4.2rem; display: flex; justify-content: center; align-items: center; margin-bottom: 1rem; }
.lfj-vacio { color: var(--lfj-suave); letter-spacing: .4em; font-size: 1.4rem; }

/* Teclas (las 9 letras) */
.lfj-tablero { display: grid; grid-template-columns: repeat(3, minmax(0, 4.6rem)); justify-content: center; gap: .55rem; margin: 0 auto 1rem; }
.lfj-tecla {
  position: relative; aspect-ratio: 1; border: 0; border-radius: 10px; cursor: pointer;
  font: 700 2.2rem/1 var(--lfj-fuente); color: var(--lfj-letra);
  background: linear-gradient(var(--lfj-ficha-a) 50%, var(--lfj-ficha-b) 50%);
  box-shadow: 0 4px 0 rgba(0,0,0,.35); transition: transform .08s, opacity .15s;
  animation: lfj-flip .55s cubic-bezier(.3,1.4,.5,1) both;
}
.lfj-tecla::after { content: ""; position: absolute; left: 6px; right: 6px; top: 50%; height: 1px; background: rgba(0,0,0,.45); }
.lfj-tecla:hover { transform: translateY(-2px); }
.lfj-tecla:active { transform: translateY(2px); box-shadow: 0 2px 0 rgba(0,0,0,.35); }
.lfj-tecla:disabled { opacity: .25; cursor: default; transform: none; }
.lfj-tecla:focus-visible, .lfj-btn:focus-visible, .lfj-modo:focus-visible { outline: 3px solid var(--lfj-acento); outline-offset: 2px; }
.lfj-gira { animation: lfj-flip .4s ease both; }

/* Botones */
.lfj-acciones { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin: .4rem 0 1rem; }
.lfj-btn { border: 1.5px solid var(--lfj-tablero); background: transparent; color: var(--lfj-texto); border-radius: 8px; padding: .65rem 1rem; font-weight: 700; cursor: pointer; font-size: .95rem; }
.lfj-btn:hover { background: rgba(22,35,58,.06); }
.lfj-btn-principal { background: var(--lfj-acento); border-color: var(--lfj-acento); color: #16233A; }
.lfj-btn-principal:hover { filter: brightness(.95); background: var(--lfj-acento); }

/* Palabras encontradas */
.lfj-encontradas { display: flex; flex-wrap: wrap; justify-content: center; gap: .35rem; }
.lfj-chip { background: rgba(44,118,84,.12); color: var(--lfj-bien); border-radius: 6px; padding: .25rem .55rem; font: 700 .95rem/1.2 var(--lfj-fuente); letter-spacing: .04em; animation: lfj-entra .3s ease both; }

/* Avisos */
.lfj-aviso { position: absolute; left: 50%; top: 5.4rem; transform: translate(-50%, -6px); opacity: 0; pointer-events: none;
  background: var(--lfj-tablero); color: var(--lfj-letra); padding: .45rem .9rem; border-radius: 8px; font-weight: 700; transition: opacity .15s, transform .15s; white-space: nowrap; }
.lfj-aviso.is-on { opacity: 1; transform: translate(-50%, 0); }
.lfj-aviso.is-bien { background: var(--lfj-bien); color: #fff; }
.lfj-aviso.is-mal { background: var(--lfj-mal); color: #fff; }
.lfj-sacude { animation: lfj-sacude .35s ease; }

/* Inicio y resultados */
.lfj-reglas { color: var(--lfj-suave); max-width: 32rem; margin: 0 auto 1rem; line-height: 1.55; }
.lfj-stats { color: var(--lfj-suave); font-size: .9rem; margin: 1rem 0 0; }
.lfj-total strong { display: block; font: 700 3.4rem/1 var(--lfj-fuente); color: var(--lfj-acento); }
.lfj-total span { color: var(--lfj-suave); }
.lfj-sub { font-weight: 700; margin: 1.2rem 0 .5rem; }
.lfj-dominios { display: grid; gap: .4rem; max-width: 22rem; margin: 0 auto 1rem; }
.lfj-dominio { display: flex; justify-content: space-between; align-items: center; gap: .8rem; background: #fff; border: 1px solid rgba(22,35,58,.12); border-radius: 8px; padding: .55rem .8rem; }
.lfj-dominio span { font: 700 1.15rem/1 var(--lfj-fuente); letter-spacing: .02em; }
.lfj-dominio a { color: var(--lfj-texto); font-weight: 700; font-size: .85rem; text-decoration-color: var(--lfj-acento); }

@keyframes lfj-flip { 0% { transform: rotateX(90deg); opacity: 0; } 60% { opacity: 1; } 100% { transform: rotateX(0); } }
@keyframes lfj-entra { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes lfj-sacude { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@media (max-width: 420px) { .lfj-tablero { grid-template-columns: repeat(3, minmax(0, 4rem)); } }
@media (prefers-reduced-motion: reduce) { .lfj-ficha, .lfj-tecla, .lfj-chip, .lfj-gira, .lfj-sacude { animation: none !important; } }