/* ═══════════════════════════════════════════════════════════════
   LENGUA — Estilos compartidos por todas las fichas
   Cada HTML define :root con --p (primario), --p-osc (oscuro),
   --p-c (claro), --p-bg (gradiente body) y --p-text (texto sobre fondo color).
   ═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Nunito:wght@400;600;700;800&display=swap');

*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Nunito',sans-serif;background:var(--p-bg);min-height:100vh;color:#212121;}

.bg-anim{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0;}
.bg-item{position:absolute;font-size:1.5rem;animation:floatBg linear infinite;opacity:0.55;}
@keyframes floatBg{0%{transform:translateY(110vh) rotate(0);opacity:0;}10%{opacity:.6;}90%{opacity:.4;}100%{transform:translateY(-10vh) rotate(360deg);opacity:0;}}

.app{position:relative;z-index:1;max-width:880px;margin:0 auto;padding:16px;}

/* HEADER */
header{text-align:center;padding:28px 20px 22px;background:rgba(255,255,255,0.18);border-radius:24px;margin-bottom:20px;backdrop-filter:blur(8px);border:1.5px solid rgba(255,255,255,0.35);position:relative;}
header h1{font-family:'Fredoka One',cursive;font-size:clamp(1.6rem,5vw,2.5rem);color:#fff;text-shadow:0 3px 12px rgba(0,0,0,0.3);}
header p{color:rgba(255,255,255,0.95);font-size:1.02rem;margin-top:6px;}

.btn-back-home{position:absolute;top:18px;left:18px;background:rgba(255,255,255,0.25);color:#fff;border:1.5px solid rgba(255,255,255,0.4);border-radius:50px;padding:8px 16px;cursor:pointer;font-family:'Nunito',sans-serif;font-weight:700;font-size:.85rem;text-decoration:none;transition:background .15s;}
.btn-back-home:hover{background:rgba(255,255,255,0.4);}

/* SCORE */
.score-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:18px;}
.score-pill{background:rgba(255,255,255,0.2);backdrop-filter:blur(6px);border:1.5px solid rgba(255,255,255,0.4);border-radius:50px;padding:8px 20px;color:#fff;font-weight:700;font-size:1rem;display:flex;align-items:center;gap:8px;}
.score-pill span{font-size:1.2rem;}

/* MENÚ */
.menu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-bottom:20px;}
.menu-card{background:#fff;border-radius:20px;padding:22px 18px;cursor:pointer;border:3px solid var(--p);transition:transform .18s,box-shadow .18s,border-color .18s;text-align:center;}
.menu-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(0,0,0,0.18);border-color:var(--p-osc);}
.menu-card.repaso{border-color:#7c4dff;background:linear-gradient(135deg,#ede7f6,#fff);}
.menu-card.repaso h3{color:#512da8;}
.menu-card.repaso .badge{background:#7c4dff;}
.menu-card .icon{font-size:2.6rem;margin-bottom:8px;}
.menu-card h3{font-family:'Fredoka One',cursive;font-size:1.1rem;color:var(--p-osc);margin-bottom:4px;}
.menu-card p{font-size:.82rem;color:#546e7a;}
.menu-card .badge{display:inline-block;background:var(--p);color:#fff;border-radius:50px;font-size:.72rem;padding:2px 10px;margin-top:6px;font-weight:700;}

/* REPASO */
.repaso-screen{background:#fff;border-radius:24px;padding:24px;box-shadow:0 16px 48px rgba(0,0,0,0.2);}
.ficha-replica{background:var(--p);color:var(--p-text,#fff);border-radius:14px;padding:18px 22px;margin:14px 0 18px;border:3px solid var(--p-osc);box-shadow:0 6px 20px rgba(0,0,0,0.15);position:relative;font-family:'Nunito',sans-serif;font-weight:700;font-size:1.02rem;line-height:1.55;}
.ficha-replica::before{content:'📌';position:absolute;top:-14px;right:14px;font-size:1.6rem;}
.ficha-replica h3{font-family:'Fredoka One',cursive;font-size:1.3rem;margin-bottom:8px;}
.ficha-replica p{font-size:1rem;line-height:1.6;}
.ficha-replica .ej{display:inline-block;background:rgba(255,255,255,0.3);border-radius:8px;padding:2px 8px;margin:2px;font-size:.92rem;font-weight:700;}

.concepto-card{background:linear-gradient(135deg,var(--p-bg-soft,#f5f5f5),#fff);border:2px solid var(--p);border-radius:18px;padding:18px 20px;margin-bottom:14px;cursor:pointer;transition:box-shadow .15s;}
.concepto-card h3{font-family:'Fredoka One',cursive;font-size:1.05rem;color:var(--p-osc);display:flex;align-items:center;gap:8px;margin-bottom:0;}
.concepto-card .chevron{margin-left:auto;transition:transform .25s;color:var(--p);font-size:1.1rem;}
.concepto-card.open .chevron{transform:rotate(180deg);}
.concepto-body{display:none;padding-top:12px;border-top:1.5px solid var(--p);margin-top:12px;font-size:.95rem;line-height:1.7;color:#37474f;}
.concepto-card.open .concepto-body{display:block;}
.concepto-body strong{color:var(--p-osc);}
.concepto-body .tag{display:inline-block;background:rgba(0,0,0,0.06);border-radius:8px;padding:2px 9px;font-size:.85rem;font-weight:700;margin:3px 2px;color:#212121;}

/* PANTALLA JUEGO */
.game-screen{display:none;background:#fff;border-radius:24px;padding:24px;box-shadow:0 16px 48px rgba(0,0,0,0.2);}
.game-screen.active{display:block;}
.game-header{display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap;}
.btn-back{background:#eceff1;border:none;border-radius:50px;padding:8px 18px;cursor:pointer;font-family:'Nunito',sans-serif;font-weight:700;font-size:.9rem;color:#455a64;transition:background .15s;}
.btn-back:hover{background:#cfd8dc;}
.game-title{font-family:'Fredoka One',cursive;font-size:1.4rem;color:var(--p-osc);flex:1;}

.progress-wrap{background:#eceff1;border-radius:10px;height:12px;margin-bottom:20px;overflow:hidden;}
.progress-bar{height:100%;border-radius:10px;background:linear-gradient(90deg,var(--p),var(--p-osc));transition:width .4s;}

.question-box{background:var(--p-c);border-radius:16px;padding:18px 20px;margin-bottom:18px;font-size:1.08rem;font-weight:700;color:#212121;line-height:1.5;border-left:5px solid var(--p);}
.question-num{font-size:.82rem;color:var(--p-osc);font-weight:600;margin-bottom:6px;}

/* PALABRA destacada (para SÍ/NO y quiz) */
.word-display{font-family:'Fredoka One',cursive;font-size:2.6rem;color:var(--p-osc);text-align:center;background:var(--p-c);border-radius:16px;padding:24px;margin-bottom:18px;border:3px dashed var(--p);letter-spacing:1px;}

/* SÍ/NO botones */
.sino-buttons{display:flex;gap:14px;justify-content:center;margin-bottom:18px;flex-wrap:wrap;}
.sino-buttons .option-btn{flex:1;max-width:200px;justify-content:center;font-size:1.2rem;padding:18px;}

/* Quiz multi-opción */
.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;}
@media(max-width:480px){.options-grid{grid-template-columns:1fr;}}
.option-btn{background:#eceff1;border:2.5px solid #cfd8dc;border-radius:14px;padding:14px 16px;cursor:pointer;font-family:'Nunito',sans-serif;font-size:1rem;font-weight:600;color:#212121;transition:transform .12s,background .12s,border-color .12s;text-align:left;display:flex;align-items:center;gap:10px;}
.option-btn:hover:not(:disabled){background:var(--p-c);border-color:var(--p);transform:scale(1.02);}
.option-btn.correct{background:#c8e6c9;border-color:#43a047;color:#1b5e20;}
.option-btn.wrong{background:#ffcdd2;border-color:#e53935;color:#b71c1c;}
.option-btn:disabled{cursor:default;}
.opt-letter{background:var(--p);color:#fff;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;flex-shrink:0;}
.option-btn.correct .opt-letter{background:#43a047;}
.option-btn.wrong .opt-letter{background:#e53935;}

/* Feedback */
.feedback-box{border-radius:14px;padding:14px 18px;font-weight:700;font-size:.98rem;margin-bottom:16px;display:none;align-items:center;gap:12px;line-height:1.4;}
.feedback-box.show{display:flex;}
.feedback-box.ok{background:#c8e6c9;color:#1b5e20;}
.feedback-box.err{background:#ffcdd2;color:#b71c1c;}
.feedback-emoji{font-size:1.6rem;flex-shrink:0;}

.btn-next{background:linear-gradient(135deg,var(--p),var(--p-osc));color:#fff;border:none;border-radius:50px;padding:13px 32px;font-family:'Fredoka One',cursive;font-size:1.05rem;cursor:pointer;display:none;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(0,0,0,0.2);}
.btn-next:hover{transform:translateY(-2px);}
.btn-next.show{display:inline-block;}

/* RESULTADO */
.result-screen{text-align:center;padding:10px;}
.result-emoji{font-size:5rem;margin-bottom:10px;display:block;}
.result-title{font-family:'Fredoka One',cursive;font-size:2rem;color:var(--p-osc);margin-bottom:8px;}
.result-score{font-size:3rem;font-weight:800;color:#fb8c00;margin:10px 0;}
.result-msg{color:#546e7a;font-size:1rem;margin-bottom:20px;}
.btn-retry{background:linear-gradient(135deg,#fb8c00,#e65100);color:#fff;border:none;border-radius:50px;padding:13px 32px;font-family:'Fredoka One',cursive;font-size:1.05rem;cursor:pointer;margin:6px;transition:transform .15s;box-shadow:0 4px 14px rgba(251,140,0,.4);}
.btn-retry:hover{transform:scale(1.04);}
.btn-menu{background:#eceff1;color:#212121;border:none;border-radius:50px;padding:13px 32px;font-family:'Fredoka One',cursive;font-size:1.05rem;cursor:pointer;margin:6px;}
.stars{font-size:2rem;margin:10px 0;}

/* CLASIFICAR */
.classify-container{display:flex;gap:16px;flex-wrap:wrap;}
.classify-items{flex:1;min-width:200px;}
.classify-item{background:#fff9c4;border:2px solid #fdd835;border-radius:12px;padding:10px 14px;margin-bottom:10px;font-weight:700;cursor:pointer;user-select:none;transition:transform .12s,opacity .12s;display:flex;align-items:center;gap:8px;font-size:.95rem;color:#5d4037;}
.classify-item:hover{transform:scale(1.03);}
.classify-item.used{opacity:.4;pointer-events:none;}
.classify-item .icon{font-size:1.3rem;}
.classify-zones{flex:2;min-width:260px;display:flex;gap:14px;flex-wrap:wrap;}
.classify-zone{flex:1;min-width:130px;border:2.5px dashed #90a4ae;border-radius:16px;padding:14px;min-height:140px;background:#eceff1;}
.classify-zone h4{font-family:'Fredoka One',cursive;font-size:.95rem;color:var(--p-osc);margin-bottom:10px;text-align:center;}
.placed-item{background:var(--p-c);border:2px solid var(--p);border-radius:10px;padding:6px 10px;margin-bottom:6px;font-size:.85rem;font-weight:700;color:#212121;display:flex;justify-content:space-between;align-items:center;}
.placed-item button{background:none;border:none;cursor:pointer;font-size:.8rem;color:#e53935;font-weight:800;}
.classify-check-btn{background:linear-gradient(135deg,var(--p),var(--p-osc));color:#fff;border:none;border-radius:50px;padding:12px 30px;font-family:'Fredoka One',cursive;font-size:1rem;cursor:pointer;margin-top:14px;box-shadow:0 4px 14px rgba(0,0,0,0.2);}

/* EMPAREJAR */
.vocab-match{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media(max-width:480px){.vocab-match{grid-template-columns:1fr;}}
.vocab-col{display:flex;flex-direction:column;gap:8px;}
.vocab-col h4{font-family:'Fredoka One',cursive;color:var(--p-osc);text-align:center;margin-bottom:4px;font-size:1rem;}
.vocab-term{background:var(--p-c);border:2.5px solid var(--p);border-radius:12px;padding:10px 12px;font-weight:700;cursor:pointer;font-size:.95rem;transition:background .12s,border-color .12s,transform .12s;text-align:center;color:#212121;}
.vocab-term:hover{background:var(--p);color:#fff;transform:scale(1.03);}
.vocab-term.selected{background:#ffe0b2;border-color:#fb8c00;color:#bf360c;}
.vocab-term.matched-ok{background:#c8e6c9;border-color:#43a047;color:#1b5e20;pointer-events:none;}
.vocab-term.matched-err{background:#ffcdd2;border-color:#e53935;color:#b71c1c;animation:shake .3s;}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* CAZA-PALABRAS */
.caza-sentence{background:var(--p-c);border-radius:16px;padding:24px 20px;margin-bottom:18px;border:2px solid var(--p);font-size:1.4rem;line-height:2.2;text-align:center;color:#212121;}
.caza-word{display:inline-block;background:#fff;border:2px solid #cfd8dc;border-radius:10px;padding:4px 12px;margin:3px;cursor:pointer;font-weight:700;transition:transform .12s,background .12s,border-color .12s;}
.caza-word:hover:not(.locked){background:var(--p-c);border-color:var(--p);transform:scale(1.06);}
.caza-word.picked{background:#fff3e0;border-color:#fb8c00;color:#bf360c;}
.caza-word.locked{cursor:default;}
.caza-word.correct-pick{background:#c8e6c9;border-color:#43a047;color:#1b5e20;}
.caza-word.wrong-pick{background:#ffcdd2;border-color:#e53935;color:#b71c1c;text-decoration:line-through;}
.caza-word.missed{background:#fff9c4;border-color:#fdd835;color:#5d4037;outline:2px dashed #fb8c00;}

/* ETIQUETAR ORACIÓN (Pro nivel 5) */
.etiq-classes{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:14px;}
.etiq-opt{border:2px solid rgba(0,0,0,0.15);border-radius:50px;padding:8px 16px;cursor:pointer;font-family:'Nunito',sans-serif;font-weight:700;font-size:.92rem;color:#fff;transition:transform .12s,outline .12s;outline:0 solid transparent;}
.etiq-opt:hover{transform:scale(1.06);}
.etiq-opt.etiq-active{outline:4px solid #fdd835;transform:scale(1.06);}
.etiq-sentence{background:#fafafa;border-radius:16px;padding:24px 16px;margin-bottom:18px;text-align:center;font-size:1.2rem;line-height:2.4;border:2px solid #cfd8dc;}
.etiq-word{display:inline-block;background:#fff;border:2px solid #cfd8dc;border-radius:10px;padding:6px 12px;margin:4px;cursor:pointer;font-weight:700;position:relative;transition:transform .12s;}
.etiq-word:hover{transform:scale(1.05);}
.etiq-word.tagged{padding-bottom:22px;}
.etiq-word .etiq-tag{position:absolute;bottom:-2px;left:0;right:0;font-size:.65rem;padding:2px 4px;border-radius:0 0 8px 8px;font-weight:800;letter-spacing:.3px;}
.etiq-word.etiq-correct{background:#c8e6c9;border-color:#43a047;}
.etiq-word.etiq-wrong{background:#ffcdd2;border-color:#e53935;}

/* TOAST */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#212121;color:#fff;border-radius:50px;padding:12px 28px;font-weight:700;font-size:.95rem;z-index:999;opacity:0;pointer-events:none;transition:opacity .25s;white-space:nowrap;}
.toast.show{opacity:1;}

/* IMG SCENARIO (icono grande en quiz si lo necesita) */
.img-scenario{text-align:center;font-size:4rem;margin-bottom:10px;background:var(--p-c);border-radius:16px;padding:14px;}