/* --- Global Styles & Variables --- */
:root {
    --primary-color: #0D1B2A; --secondary-color: #415A77; --accent-color: #D4AF37;
    --text-color-light: #E0E1DD; --background-color: #FFFFFF;
    --font-primary: 'Montserrat', sans-serif; --font-secondary: 'Lato', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-secondary); background-color: var(--background-color); color: var(--primary-color); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* --- Header & Navigation --- */
.main-header { background-color: #fff; box-shadow: 0 2px 5px rgba(0,0,0,0.1); padding: 15px 0; position: sticky; top: 0; z-index: 1000; }
.main-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { height: 50px; }
.main-nav ul { list-style: none; display: flex; gap: 25px; }
.main-nav a { text-decoration: none; color: var(--primary-color); font-family: var(--font-primary); font-weight: 700; font-size: 16px; transition: color 0.3s ease; }
.main-nav a:hover { color: var(--accent-color); }
.language-switcher .lang-btn { background: none; border: 1px solid var(--secondary-color); border-radius: 5px; padding: 5px 10px; cursor: pointer; font-weight: 700; transition: background-color 0.3s, color 0.3s; }
.language-switcher .lang-btn:hover { background-color: var(--secondary-color); color: white; }
.mobile-menu-toggle { display: none; font-size: 24px; background: none; border: none; cursor: pointer; }

/* --- Hero Section & Main Sections --- */
.hero-section {
    
    background-image: linear-gradient(rgba(13, 27, 42, 0.7), rgba(13, 27, 42, 0.7)), url('../assets/pelotaVoley.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 120px 20px;
}
.hero-content h1 { font-family: var(--font-primary); font-size: 3.5rem; margin-bottom: 20px; }
.hero-content p { font-size: 1.2rem; max-width: 700px; margin: 0 auto 30px; }
.cta-button { background-color: var(--accent-color); color: var(--primary-color); padding: 15px 30px; text-decoration: none; font-weight: 700; border-radius: 5px; transition: transform 0.3s, box-shadow 0.3s; }
.cta-button:hover { transform: translateY(-3px); box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4); }
.main-sections { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; padding: 80px 20px; }
.section-card { background-color: #f7f9fc; border: 1px solid #e0e1dd; border-radius: 8px; padding: 40px; text-align: center; transition: transform 0.3s, box-shadow 0.3s; }
.section-card:hover { transform: translateY(-10px); box-shadow: 0 10px 20px rgba(0,0,0,0.08); }
.section-card h2 { font-family: var(--font-primary); font-size: 2rem; margin-bottom: 15px; color: var(--primary-color); }
.section-card p { color: var(--secondary-color); margin-bottom: 25px; }
.section-card a { display: inline-block; background-color: var(--secondary-color); color: white; padding: 10px 25px; border-radius: 5px; text-decoration: none; font-weight: 700; transition: background-color 0.3s; }
.section-card a:hover { background-color: var(--primary-color); }

/* --- Footer --- */
.main-footer { background-color: var(--primary-color); color: var(--text-color-light); padding-top: 50px; }
.footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; padding-bottom: 40px; }
.footer-logo img { height: 60px; filter: brightness(0) invert(1); }
.footer-info, .footer-links { flex: 1; min-width: 200px; }
.footer-links a { display: block; color: var(--text-color-light); text-decoration: none; margin-top: 10px; transition: color 0.3s; }
.footer-links a:hover { color: var(--accent-color); }
.footer-bottom { border-top: 1px solid var(--secondary-color); text-align: center; padding: 20px; }

/* --- Estilos para la Página de Estadísticas --- */
.dashboard-container { max-width: 1400px; margin: 30px auto; padding: 20px; }
.dashboard-title { text-align: center; font-family: var(--font-primary); font-size: 2.8rem; margin-bottom: 30px; color: var(--primary-color); }
.tabs-nav { display: flex; border-bottom: 2px solid #ccc; margin-bottom: 20px; }
.tab-link { padding: 10px 20px; cursor: pointer; border: none; background-color: transparent; font-size: 1rem; font-weight: 700; font-family: var(--font-primary); color: var(--secondary-color); border-bottom: 3px solid transparent; transition: color 0.3s, border-color 0.3s; }
.tab-link:hover { color: var(--primary-color); }
.tab-link.active { color: var(--primary-color); border-bottom: 3px solid var(--accent-color); }
.tab-content { display: none; animation: fadeIn 0.5s; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.stats-header { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }
.stats-header h2 { font-family: var(--font-primary); color: var(--primary-color); }
.info-icon { font-size: 1.2rem; cursor: help; color: var(--secondary-color); border: 1px solid var(--secondary-color); border-radius: 50%; width: 24px; height: 24px; display: inline-flex; justify-content: center; align-items: center; }
.tooltip { position: relative; display: inline-block; }
.tooltip .tooltip-text { visibility: hidden; width: 280px; background-color: var(--primary-color); color: #fff; text-align: left; border-radius: 6px; padding: 10px; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -140px; opacity: 0; transition: opacity 0.3s; }
.tooltip:hover .tooltip-text { visibility: visible; opacity: 1; }
.table-controls { margin-bottom: 20px; display: flex; gap: 10px; }
.btn { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-weight: 700; transition: transform 0.2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background-color: var(--secondary-color); color: white; }
.btn-danger { background-color: #D9534F; color: white; }
.btn-secondary { background-color: #ccc; color: var(--primary-color); }

/* Contenedor de tabla con scroll */
.stats-table-container { overflow: auto; max-height: 450px; border: 1px solid #ddd; border-radius: 5px; margin-bottom: 30px; }
.stats-table-container table { width: 100%; border-collapse: collapse; }
.stats-table-container td, .stats-table-container th { border: 1px solid #ddd; padding: 12px; text-align: center; }
.stats-table-container tr:nth-child(even) { background-color: #f9f9f9; }
.stats-table-container th { background-color: var(--primary-color); color: white; font-family: var(--font-primary); position: sticky; top: -1px; z-index: 10; }
.stats-table-container input, .stats-table-container select { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; text-align: center; }
.stats-table-container .delete-row-btn { background: none; border: none; color: #D9534F; cursor: pointer; font-size: 1.2rem; }

/* Contenedor de gráficos */
.charts-grid-container {
    display: grid;
    /* --- CAMBIO AQUÍ: GRÁFICOS MÁS PEQUEÑOS --- */
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); /* Reducido a 180px */
    gap: 20px;
    width: 100%;
}
.chart-placeholder { color: #888; text-align: center; width: 100%; grid-column: 1 / -1; padding: 20px; }
.player-chart-container { text-align: center; }
.player-chart-container h4 { margin-bottom: 10px; font-family: var(--font-primary); }

/* Tarjetas de Resumen y Explicación */
.stats-explanation-card { background-color: #fff; border: 1px solid #e0e1dd; border-radius: 8px; padding: 25px; margin-top: 30px; }
.stats-explanation-card h3 { font-family: var(--font-primary); margin-bottom: 20px; text-align: center; color: var(--primary-color); }
.explanation-item { margin-bottom: 15px; }
.explanation-item h4 { font-family: var(--font-primary); margin-bottom: 5px; color: var(--secondary-color); }
.explanation-item .code { display: inline-block; background-color: #e0e1dd; padding: 2px 8px; border-radius: 4px; font-family: monospace; color: var(--primary-color); }
.stats-summary-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 30px; align-items: start; }
.summary-card, .chart-card { background-color: #f7f9fc; border: 1px solid #e0e1dd; border-radius: 8px; padding: 25px; }
.summary-card h3, .chart-card h3 { font-family: var(--font-primary); margin-bottom: 20px; text-align: center; }
.summary-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid #e0e1dd; font-size: 1.1rem; }
.summary-item.total { font-weight: bold; }
.summary-item.efficiency { background-color: #e8f5e9; margin-top:10px; padding-left: 5px; padding-right: 5px; border-radius: 5px;}
.summary-item strong { color: var(--primary-color); }

/* --- Media Queries para Responsive --- */
@media (max-width: 992px) { .stats-summary-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
    .main-nav { display: none; flex-direction: column; position: absolute; top: 80px; left: 0; width: 100%; background-color: white; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
    .main-nav.active { display: flex; }
    .main-nav ul { flex-direction: column; width: 100%; }
    .main-nav li { text-align: center; padding: 15px 0; border-bottom: 1px solid #f0f0f0; }
    .mobile-menu-toggle { display: block; }
    .language-switcher { margin-left: auto; margin-right: 20px; }
    .hero-content h1 { font-size: 2.5rem; }
    .main-sections { grid-template-columns: 1fr; }
    .tabs-nav { flex-wrap: wrap; }
    .tab-link { flex-basis: 33.33%; text-align: center; }
}

/* --- Estilos para la Página SobreVoley (Reglamento) --- */
.sobrevoley-container {
    max-width: 900px;
    padding: 20px;
}

.intro-paragraph {
    text-align: center;
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 40px;
}

.rules-chapter {
    margin-bottom: 15px;
}

.rules-chapter details {
    border: 1px solid #e0e1dd;
    border-radius: 8px;
    overflow: hidden;
}

.rules-chapter summary {
    padding: 20px;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-primary);
    cursor: pointer;
    background-color: #f7f9fc;
    outline: none;
    transition: background-color 0.3s;
}

.rules-chapter summary:hover {
    background-color: #eef2f7;
}

.chapter-content {
    padding: 20px;
    border-top: 1px solid #e0e1dd;
}

.chapter-content > p {
    margin-bottom: 25px;
    font-style: italic;
    color: var(--secondary-color);
}

.rules-section {
    margin-bottom: 25px;
}

.rules-section h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.rules-content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    align-items: center;
}

.essential-points ul {
    list-style: none;
    padding-left: 0;
}

.essential-points li {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.rules-diagram svg {
    width: 100%;
    height: auto;
    border-radius: 5px;
    border: 1px solid #e0e1dd;
}
.diagram-caption {
    font-size: 0.9rem;
    text-align: center;
    color: #888;
    margin-top: 5px;
}

.rules-callout {
    background-color: #eef2f7;
    border-left: 5px solid var(--accent-color);
    padding: 15px;
    margin: 20px 0;
    font-size: 1rem;
}

/* --- Estilos del Quiz --- */
.quiz-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px dashed #ccc;
}

.quiz-question {
    margin-bottom: 20px;
}

.quiz-options {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.quiz-options button {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid var(--secondary-color);
    background-color: white;
    color: var(--secondary-color);
    cursor: pointer;
    border-radius: 5px;
    font-weight: 700;
    transition: all 0.3s;
}

.quiz-options button:hover:not(:disabled) {
    background-color: var(--secondary-color);
    color: white;
}

.quiz-options button:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.quiz-options button.correct {
    background-color: #4CAF50;
    color: white;
    border-color: #4CAF50;
}

.quiz-options button.incorrect {
    background-color: #F44336;
    color: white;
    border-color: #F44336;
}

.quiz-feedback {
    margin-top: 10px;
    font-weight: bold;
    font-size: 1rem;
    height: 1.2em; /* Para evitar que el layout salte */
}


.rules-diagram img {
    width: 100%;
    height: auto;
    display: block; 
    border-radius: 5px;
    border: 1px solid #e0e1dd;
}

/* --- Estilos para los fondos de las tarjetas de sección --- */


#estadisticas,
#sobrevoley {
    background-size: cover;
    background-position: center;
    color: white; /* Cambia el color del texto por defecto a blanco para que sea legible */
    position: relative; /* Necesario para el overlay */
    z-index: 1;
}

/* Overlay oscuro para asegurar que el texto sea legible */
#estadisticas::before,
#sobrevoley::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 27, 42, 0.8); /* Azul oscuro con 80% de opacidad */
    border-radius: 8px; /* Mismo redondeo que la tarjeta original */
    z-index: -1;
}


/* Imagen específica para la tarjeta de Estadísticas */
#estadisticas {
    background-image: url('../assets/fotoEstadistica.jpg');
}
/* Imagen específica para la tarjeta de SobreVoley */
#sobrevoley {
    background-image: url('../assets/canchaVoley.jpg');
}

/* Ajustar el color de los elementos internos para que sean legibles */
#estadisticas h2,
#estadisticas p,
#sobrevoley h2,
#sobrevoley p {
    color: white;
}

/* Estilo de "botón fantasma" para que destaque sobre el fondo oscuro */
#estadisticas a,
#sobrevoley a {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

#estadisticas a:hover,
#sobrevoley a:hover {
    background-color: white;
    color: var(--primary-color);
}
/* --- Estilos para los fondos de las tarjetas de Tienda y Próximamente --- */

/* Estilo base para las tarjetas con imagen de fondo */
#tienda,
#proximamente {
    background-size: cover;
    background-position: center;
    color: white; /* Cambia el color del texto por defecto a blanco */
    position: relative;
    z-index: 1;
}

/* Overlay oscuro para asegurar que el texto sea legible */
#tienda::before,
#proximamente::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 27, 42, 0.8); /* Azul oscuro con 80% de opacidad */
    border-radius: 8px; /* Mismo redondeo que la tarjeta original */
    z-index: -1;
}


/* Imagen específica para la tarjeta de Tienda */
#tienda {
    background-image: url('../assets/tienda.jpg');
}

/* Imagen específica para la tarjeta de Próximamente */
#proximamente {
    background-image: url('../assets/juegoVoley.jpg');
}

#desafio{
    background-color: transparent;
    border: 2px solid white;
    color: white;
    color: white;
    background-image: url('../assets/quiz/quiz.png');
}
#desafio a{
    background-color: transparent;
    border: 2px solid white;
    color: white;
}
#desafio a:hover {
    background-color: white;
    color: var(--primary-color);
}
#desafio h2,
#desafio p {
    color: white;
}

/* Ajustar el color de los elementos internos para que sean legibles */
#tienda h2,
#tienda p,
#proximamente h2,
#proximamente p {
    color: white;
}

/* Estilo de "botón fantasma" para que destaque sobre el fondo oscuro */
#tienda a,
#proximamente a {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

#tienda a:hover,
#proximamente a:hover {
    background-color: white;
    color: var(--primary-color);
}