/* --- VARIABLES --- */
:root {
    --color-principal: #1e5631;   
    --color-texto: #333;
    --color-fondo: #f4f7f6;
    --color-blanco: #ffffff;
    --color-acento: #81c784;      /* Verde claro juego */
    --color-seleccion: #fff59d;   /* Amarillo selección */
    --borde-radio: 12px;
    --fuente-principal: 'Poppins', sans-serif;
    --sombra-suave: 0 4px 15px rgba(0, 0, 0, 0.05);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--fuente-principal);
    background-color: var(--color-fondo);
    color: var(--color-texto);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- HEADER --- */
.cabecera-principal {
    background: var(--color-principal);
    color: white;
    padding: 0.8rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.contenido-cabecera {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-iniciales {
    background-color: #ffffff;
    color: var(--color-principal);
    width: 40px; height: 40px;
    border-radius: 8px;
    display: flex; justify-content: center; align-items: center;
    font-weight: 800;
    box-shadow: 2px 2px 0px rgba(0,0,0,0.2);
}

.cabecera-principal h1 { font-size: 1.2rem; font-weight: 500; margin: 0; }

.curso-badge {
    background: white;
    color: var(--color-principal);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

/* --- MAIN --- */
.contenedor-principal {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 20px;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.titulo-pagina {
    text-align: center;
    font-size: 1.5rem;
    color: var(--color-principal);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid #ddd;
    padding-bottom: 10px;
}

/* --- CONTENEDOR DEL JUEGO (Estilo Tarjeta) --- */
#contenedor-juego {
    background-color: var(--color-blanco);
    border-radius: var(--borde-radio);
    padding: 30px;
    box-shadow: var(--sombra-suave);
    border: 1px solid #e0e0e0;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    max-width: 1000px;
    width: 100%;
}

/* --- TABLERO --- */
table {
    border-collapse: separate;
    border-spacing: 3px;
    font-family: var(--fuente-principal);
    font-weight: 600;
}

td {
    border: 1px solid #e0e0e0;
    background-color: #fafafa;
    width: 35px;
    height: 35px;
    text-align: center;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    user-select: none;
    font-size: 1.1em;
}

td:hover {
    background-color: #e8f5e9;
    border-color: var(--color-principal);
    transform: scale(1.1);
}

/* --- ESTADOS DEL JUEGO --- */
.seleccionada {
    background-color: var(--color-seleccion);
    border-color: #fdd835;
    transform: scale(1.05);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.encontrada {
    background-color: var(--color-principal);
    color: white;
    border-color: var(--color-principal);
    animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pop {
    0% { transform: scale(0.8); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* --- PANEL DE INFORMACIÓN --- */
#info {
    min-width: 250px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid var(--color-principal);
}

#info h2 { color: var(--color-principal); font-size: 1.2rem; margin: 0 0 10px 0;}
#info h3 { font-size: 1rem; color: #555; margin-top: 15px; border-bottom: 1px solid #ddd; padding-bottom: 5px;}
#info p { font-size: 0.9rem; color: #666; margin-bottom: 5px; }

#lista-palabras {
    list-style: none;
    padding: 0;
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

#lista-palabras li {
    padding: 5px 10px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 15px;
    font-size: 0.85rem;
    color: #444;
    transition: all 0.3s;
}

#lista-palabras li.tachado {
    text-decoration: line-through;
    background-color: #e0e0e0;
    color: #999;
    border-color: transparent;
}

/* --- RELOJ JUEGO --- */
#reloj-juego {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-principal);
    margin-bottom: 20px;
    background: white;
    padding: 5px 25px;
    border-radius: 50px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* --- BOTÓN COMENZAR --- */
#contenedor-boton-inicio {
    text-align: center;
    padding: 60px;
}

#btn-comenzar {
    font-family: var(--fuente-principal);
    font-size: 1.2em;
    padding: 15px 40px;
    background-color: var(--color-principal);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(30, 86, 49, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

#btn-comenzar:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(30, 86, 49, 0.4);
    background-color: #164225;
}

.oculto {
    display: none !important;
}

/* --- TABLA PUNTUACIONES --- */
#seccion-puntuaciones { margin-top: 30px; }

#tabla-puntuaciones {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background: white;
}

#tabla-puntuaciones th {
    background-color: var(--color-principal);
    color: white;
    padding: 10px;
    text-align: left;
}

#tabla-puntuaciones td {
    padding: 10px;
    border-bottom: 1px solid #eee;
    color: #555;
}

.input-nombre {
    width: 100%;
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.input-nombre:enabled {
    background-color: var(--color-seleccion);
    border-color: #fdd835;
    font-weight: 600;
}

/* --- FOOTER --- */
.pie-pagina {
    background-color: #222;
    color: #bbb;
    padding: 1.5rem 0;
    font-size: 0.85rem;
    margin-top: auto;
    border-top: 4px solid var(--color-principal);
}

.contenido-footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; 
    gap: 20px;
}

#reloj {
    font-family: 'Courier New', monospace;
    background: #111;
    color: var(--color-acento); 
    padding: 8px 20px;
    border-radius: 8px;
    border: 1px solid #444;
    font-weight: bold;
    font-size: 1.6rem; 
    box-shadow: 0 0 10px rgba(129, 199, 132, 0.1);
    letter-spacing: 2px;
}

.iconos-footer {
    display: flex;
    gap: 15px;
    align-items: center;
}

.iconos-footer a {
    color: #bbb;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.iconos-footer a:hover {
    color: var(--color-acento); 
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .contenido-footer {
        flex-direction: column;
        text-align: center;
    }
}