/* Reset básico y fuente global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden; /* Prevenir scroll horizontal a nivel raíz */
}

/* Variables de Color */
:root {
    --bg-color: #ffffff;
    --card-bg-color: #f9f9f9;
    --text-color: #0f0f0f;
    --text-secondary-color: #606060;
    --border-color: #e5e5e5;
    --accent-color: #ff0000;
    --button-bg-color: #f2f2f2;
    --button-hover-bg-color: #e5e5e5;
    --button-text-color: #0f0f0f;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-shadow-color: rgba(0, 0, 0, 0.15);
    --logo-filter: none;
    --link-color: #065fd4;
    --header-bg: #ffffff;
    --header-border: #e5e5e5;
    --menu-hover-bg: #f2f2f2;
    --menu-active-bg: #e5e5e5;
    --scrollbar-thumb-color: #c1c1c1;
    --scrollbar-track-color: #f1f1f1;
    --lang-button-inactive-bg: transparent;
    --lang-button-active-bg: #e5e5e5;
    --lang-button-active-text: #0f0f0f;
    --description-bg: #f2f2f2; /* Fondo descripción */
    --focus-outline-color: #065fd4; /* Color para focus outline */

    /* Nuevas variables para animaciones y transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Mejoras de contraste para modo oscuro */
    --text-primary-dark: #ffffff;
    --text-secondary-dark: #b1b1b1;

    /* Variables para efectos */
    --ripple-color: rgba(255, 255, 255, 0.2);
    --skeleton-gradient: linear-gradient(
        90deg,
        var(--card-bg-color) 0%,
        var(--button-bg-color) 50%,
        var(--card-bg-color) 100%
    );

    /* Variables para espaciado responsivo */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Variables para interacción */
    --touch-target-size: 44px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Variables para efectos de elevación */
    --shadow-1: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-2: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-3: 0 8px 16px rgba(0,0,0,0.14);

    /* Variables para blur effects */
    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(16px);
}

body.dark-mode {
    --bg-color: #0f0f0f;
    --card-bg-color: #212121;
    --text-color: #ffffff;
    --text-secondary-color: #aaaaaa;
    --border-color: #303030;
    --accent-color: #ff4d4d;
    --button-bg-color: #383838;
    --button-hover-bg-color: #505050;
    --button-text-color: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --hover-shadow-color: rgba(0, 0, 0, 0.5);
    --logo-filter: invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%); /* Blanco puro */
    --link-color: #3ea6ff;
    --header-bg: #212121;
    --header-border: #303030;
    --menu-hover-bg: #383838;
    --menu-active-bg: #505050;
    --scrollbar-thumb-color: #555;
    --scrollbar-track-color: #212121;
    --lang-button-inactive-bg: transparent;
    --lang-button-active-bg: #505050;
    --lang-button-active-text: #ffffff;
    --description-bg: #272727; /* Fondo descripción oscuro */
    --focus-outline-color: #3ea6ff; /* Color para focus outline en modo oscuro */

    /* Mejoras de contraste */
    --text-color: var(--text-primary-dark);
    --text-secondary-color: var(--text-secondary-dark);
    --card-bg-color: #1a1a1a;
    --button-bg-color: #2d2d2d;
    --button-hover-bg-color: #404040;

    /* Ajuste de sombras para modo oscuro */
    --shadow-1: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-2: 0 4px 8px rgba(0,0,0,0.35);
    --shadow-3: 0 8px 16px rgba(0,0,0,0.4);

    /* Ajuste de ripple para modo oscuro */
    --ripple-color: rgba(255, 255, 255, 0.1);
}


body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a:focus, button:focus, [tabindex]:focus { outline: 2px solid var(--focus-outline-color); outline-offset: 2px; }

/* Header y contenedor principal */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
}

.header-content {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    align-items: center;
}

/* Cuando estamos en vista detalle */
body.detail-view .header-content {
    grid-template-columns: auto auto; /* Solo dos columnas para logo y theme toggle */
    justify-content: space-between;
    padding: 0 20px;
}

/* Ocultar elementos en vista detalle */
body.detail-view #category-menu-container,
body.detail-view .time-period-selector,
body.detail-view .language-switcher {
    display: none;
}

/* Asegurar que el logo y theme toggle permanezcan visibles */
body.detail-view #logo-link,
body.detail-view #theme-toggle {
    display: flex;
}

/* Ajustar espaciado en vista detalle */
body.detail-view .site-header {
    padding: 8px 0;
}

/* Responsive para vista detalle */
@media (max-width: 768px) {
    body.detail-view .header-content {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    body.detail-view .header-content {
        padding: 0 10px;
    }
}

/* Logo */
#logo-link {
    display: flex;
    align-items: center;
}

#logo {
    height: 32px;
    width: auto;
}

/* Menú de categorías */
#category-menu-container {
    position: relative;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 8px 0;
    margin: 0;
    scroll-behavior: smooth;
}

#category-menu-container::-webkit-scrollbar {
    display: none;
}

.category-item {
    display: inline-flex;
    align-items: center;
    height: 32px;
    padding: 0 16px;
    margin-right: 8px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    background: var(--button-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

/* Controles del header */
.header-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Selector de período */
.time-period-selector {
    display: flex;
    background: var(--button-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.time-period-button {
    padding: 6px 12px;
    font-size: 14px;
    border: none;
    background: transparent;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.time-period-button.active {
    background: var(--accent-color);
    color: white;
}

/* Selector de idioma */
.language-switcher {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.lang-button {
    padding: 6px 16px;
    font-size: 14px;
    background: var(--button-bg-color);
    color: var(--text-color);
}

/* Toggle de tema */
#theme-toggle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--button-bg-color);
    border: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-content {
        grid-template-columns: auto 1fr;
        gap: 16px;
    }

    .header-controls {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-content: space-between;
        padding-top: 8px;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .header-controls::-webkit-scrollbar {
        display: none;
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 8px;
    }

    .header-content {
        gap: 12px;
    }

    #logo {
        height: 28px;
    }

    .category-item {
        height: 28px;
        padding: 0 12px;
        font-size: 13px;
    }

    .time-period-button {
        padding: 4px 8px;
        font-size: 13px;
    }

    .lang-button {
        padding: 4px 12px;
    }

    #theme-toggle {
        width: 28px;
        height: 28px;
    }
}

/* Menú móvil mejorado */
@media (max-width: 480px) {
    .header-content {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .top-bar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }

    #category-menu-container {
        width: 100%;
        margin: 4px 0;
    }

    .header-controls {
        width: 100%;
        justify-content: space-between;
        padding: 8px 0;
        border-top: 1px solid var(--border-color);
    }

    .time-period-selector {
        flex: 1;
        margin-right: 8px;
    }

    .time-period-button {
        flex: 1;
        text-align: center;
    }
}

/* Indicadores de scroll */
.scroll-indicator {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 32px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.scroll-indicator.left {
    left: 0;
    background: linear-gradient(to right, var(--header-bg), transparent);
}

.scroll-indicator.right {
    right: 0;
    background: linear-gradient(to left, var(--header-bg), transparent);
}

.can-scroll-left .scroll-indicator.left,
.can-scroll-right .scroll-indicator.right {
    opacity: 1;
}

/* --- Contenido Principal --- */
#app-container { max-width: 1800px; margin: 20px auto 0 auto; padding: 0 20px; flex-grow: 1; width: 100%; box-sizing: border-box; position: relative; }
body.detail-view #app-container { padding: 0; margin: 0; max-width: 100%; width: 100%; }

#loading-indicator { text-align: center; padding: 50px; font-size: 1.2rem; color: var(--text-secondary-color); display: flex; justify-content: center; align-items: center; min-height: 200px; } #loading-indicator::after { content: ''; width: 24px; height: 24px; margin-left: 10px; border: 3px solid transparent; border-top-color: var(--text-secondary-color); border-radius: 50%; animation: spin 1s linear infinite; } @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
#main-content-area { width: 100%; }

/* --- Sección Top 10 (Sin cambios) --- */
.top-10-section { background: linear-gradient(to right, #151515, #252525); border-radius: 16px; padding: 25px; padding-bottom: 35px; position: relative; overflow: hidden; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3); margin-bottom: 50px; } .top-10-section::before { content: ''; position: absolute; top: -100px; right: -100px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(255,0,0,0.1) 0%, rgba(0,0,0,0) 70%); z-index: 0; } .top-10-section::after { content: ''; position: absolute; bottom: -100px; left: -100px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(255,0,0,0.05) 0%, rgba(0,0,0,0) 70%); z-index: 0; } .top-10-section h2 { color: #fff; font-size: 2.4rem; font-weight: 800; margin-bottom: 25px; padding-left: 15px; position: relative; text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3); letter-spacing: 1px; } .top-10-section h2::after { content: ''; position: absolute; bottom: -12px; left: 15px; width: 60px; height: 4px; background: linear-gradient(to right, #ff3030, #ff5e3a); border-radius: 4px; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); } .top-10-scroller { display: flex; gap: 20px; overflow-x: auto; padding: 10px 5px 15px 5px; scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, 0.3) transparent; position: relative; z-index: 1; } .top-10-scroller::-webkit-scrollbar { height: 6px; } .top-10-scroller::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.05); border-radius: 6px; } .top-10-scroller::-webkit-scrollbar-thumb { background-color: rgba(255, 255, 255, 0.3); border-radius: 6px; } .top-10-scroller::-webkit-scrollbar-thumb:hover { background-color: rgba(255, 255, 255, 0.5); } .top-10-card { position: relative; flex: 0 0 280px; border-radius: 12px; overflow: hidden; transition: all 0.3s ease; box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4); transform: translateY(0); border: 1px solid rgba(255, 255, 255, 0.05); cursor: pointer; } .top-10-card:hover { transform: translateY(-8px) scale(1.03); box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5); z-index: 10; } .top-10-card:first-child { transform: scale(1.05); box-shadow: 0 8px 20px rgba(255, 50, 50, 0.15); border: 1px solid rgba(255, 50, 50, 0.2); } .top-10-card:first-child:hover { transform: translateY(-8px) scale(1.08); box-shadow: 0 15px 30px rgba(255, 50, 50, 0.25); } .top-10-card img { width: 100%; height: 210px; object-fit: cover; transition: transform 0.3s ease; display: block; } .top-10-card:hover img { transform: scale(1.05); } .top-10-card .rank { position: absolute; top: 12px; left: 12px; color: #fff; border-radius: 50%; width: 36px; height: 36px; display: flex; justify-content: center; align-items: center; font-weight: bold; font-size: 1.1rem; box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5); z-index: 2; border: 2px solid rgba(255, 255, 255, 0.1); } .top-10-card .rank[data-rank="1"] { background: linear-gradient(135deg, #ff1e1e, #ff5e3a); width: 42px; height: 42px; font-size: 1.3rem; box-shadow: 0 3px 10px rgba(255, 30, 30, 0.5); } .top-10-card .rank[data-rank="2"] { background: linear-gradient(135deg, #ff5e3a, #ff9500); } .top-10-card .rank[data-rank="3"] { background: linear-gradient(135deg, #ff9500, #ffce00); } .top-10-card .rank[data-rank="4"], .top-10-card .rank[data-rank="5"] { background: linear-gradient(135deg, #36cff8, #0080ff); } .top-10-card .rank[data-rank="6"], .top-10-card .rank[data-rank="7"], .top-10-card .rank[data-rank="8"], .top-10-card .rank[data-rank="9"], .top-10-card .rank[data-rank="10"] { background: linear-gradient(135deg, #8a8a8a, #5e5e5e); } .top-10-card .card-info { background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0)); padding: 20px; position: absolute; bottom: 0; left: 0; right: 0; transition: all 0.3s ease; } .top-10-card:hover .card-info { background: linear-gradient(to top, rgba(0, 0, 0, 0.98), rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.1)); padding-top: 30px; } .top-10-card h3 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color 0.3s ease; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8); } .top-10-card:hover h3 { color: #ff3a3a; } .top-10-card p { color: rgba(255, 255, 255, 0.8); font-size: 0.85rem; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5); }
@media (max-width: 1100px) { .top-10-section { padding: 20px; } .top-10-section h2 { font-size: 1.9rem; } .top-10-card { flex: 0 0 250px; } .top-10-card img { height: 180px; } .top-10-card .rank[data-rank="1"] { width: 38px; height: 38px; font-size: 1.2rem; } } @media (max-width: 768px) { .top-10-section { padding: 20px; border-radius: 12px; margin-bottom: 30px; } .top-10-section h2 { font-size: 1.6rem; margin-bottom: 20px; } .top-10-card { flex: 0 0 230px; } .top-10-card img { height: 160px; } .top-10-card .rank { width: 32px; height: 32px; font-size: 1rem; } .top-10-card .rank[data-rank="1"] { width: 36px; height: 36px; font-size: 1.1rem; } } @media (max-width: 500px) { .top-10-section { padding: 15px; margin-bottom: 25px; } .top-10-section h2 { font-size: 1.4rem; margin-bottom: 15px; } .top-10-card { flex: 0 0 200px; } .top-10-card img { height: 140px; } .top-10-card .card-info { padding: 15px; } .top-10-card h3 { font-size: 0.9rem; } .top-10-card p { font-size: 0.75rem; } .top-10-card .rank { width: 28px; height: 28px; font-size: 0.9rem; } .top-10-card .rank[data-rank="1"] { width: 32px; height: 32px; font-size: 1rem; } }

/* --- Filas Home (Sin cambios) --- */
/* Sección de categoría */
.category-section {
    margin-bottom: 40px;
    position: relative;
}

.category-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 0 5px;
}

.category-section-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
}

/* Botón Ver Más */
.view-more-btn {
    background-color: transparent;
    border: none;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-more-btn:hover {
    background-color: rgba(255, 0, 0, 0.1);
    transform: translateX(2px);
}

.view-more-btn i {
    font-size: 0.8em;
    transition: transform 0.2s ease;
}

.view-more-btn:hover i {
    transform: translateX(3px);
}

/* Grid de videos de categoría (3 filas en desktop, 1 fila con scroll en móvil) */
.category-video-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 0 5px;
    padding: 5px 5px 15px 5px;
}

/* En móvil, convertimos el grid en un scroller horizontal */
@media (max-width: 768px) {
    .category-video-grid {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: thin;
        scrollbar-color: var(--scrollbar-thumb-color) var(--scrollbar-track-color);
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
        padding-bottom: 20px; /* Espacio para scrollbar */
        position: relative; /* Para los indicadores de scroll */
        cursor: grab; /* Indicar que se puede arrastrar */
    }

    /* Ocultar scrollbar en algunos navegadores pero mantener funcionalidad */
    .category-video-grid::-webkit-scrollbar {
        height: 6px;
    }

    .category-video-grid::-webkit-scrollbar-track {
        background: var(--scrollbar-track-color);
        border-radius: 4px;
    }

    .category-video-grid::-webkit-scrollbar-thumb {
        background-color: var(--scrollbar-thumb-color);
        border-radius: 4px;
    }

    /* Indicador de scroll a la derecha - solo visible cuando hay más contenido */
    .category-video-grid::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        bottom: 20px; /* Ajustar para el padding-bottom */
        width: 40px;
        background: linear-gradient(to right, transparent, var(--bg-color));
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    /* Indicador de scroll a la izquierda - solo visible cuando hay scroll */
    .category-video-grid::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 20px; /* Ajustar para el padding-bottom */
        width: 40px;
        background: linear-gradient(to left, transparent, var(--bg-color));
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: 1;
    }

    /* Mostrar indicadores cuando hay más contenido */
    .category-video-grid.has-more::after {
        opacity: 0.8;
    }

    /* Mostrar indicador izquierdo solo cuando se ha hecho scroll */
    .category-video-grid.scrolled-right::before {
        opacity: 0.8;
    }

    /* Estilo cuando se está arrastrando */
    .category-video-grid:active {
        cursor: grabbing;
    }
}

/* Estilos específicos para tarjetas en category-video-grid */
.category-video-grid .video-card {
    width: calc(20% - 13px);
    min-width: 210px;
    max-width: 260px;
    flex-shrink: 0;
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.category-video-grid .video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 10px var(--shadow-color);
}

.category-video-grid .video-card .thumbnail {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 12px;
    box-shadow: 0 2px 5px var(--shadow-color);
    width: 100%;
    transition: all 0.2s ease;
}

.category-video-grid .video-card:hover .thumbnail {
    box-shadow: 0 5px 15px var(--hover-shadow-color);
}

.category-video-grid .video-card .thumbnail img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.category-video-grid .video-card:hover .thumbnail img {
    transform: scale(1.05);
}

.category-video-grid .video-card .info {
    padding: 0 5px;
}

.category-video-grid .video-card .info h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s ease;
}

.category-video-grid .video-card:hover .info h3 {
    color: var(--link-color);
}

.category-video-grid .video-card .info .channel {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    margin-bottom: 4px;
}

.category-video-grid .video-card .info .stats {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

@media (max-width: 1600px) {
    .category-video-grid .video-card {
        width: calc(25% - 12px);
    }
}

@media (max-width: 1200px) {
    .category-video-grid .video-card {
        width: calc(33.33% - 11px);
    }
}

@media (max-width: 768px) {
    /* En móvil, las tarjetas tienen un ancho fijo para scroll horizontal */
    .category-video-grid .video-card {
        width: 220px;
        min-width: 220px;
        flex-shrink: 0;
        margin-right: 5px; /* Espacio entre tarjetas */
    }

    /* Cuando es horizontal-scroller, ajustar el tamaño */
    .category-video-grid.horizontal-scroller .video-card {
        width: 220px;
        min-width: 220px;
        flex-shrink: 0;
        margin-right: 5px; /* Espacio entre tarjetas */
    }

    /* Asegurar que el último elemento tenga margen derecho para scroll completo */
    .category-video-grid .video-card:last-child,
    .category-video-grid.horizontal-scroller .video-card:last-child {
        margin-right: 20px;
    }
}

@media (max-width: 500px) {
    .category-video-grid .video-card,
    .category-video-grid.horizontal-scroller .video-card {
        width: 180px;
        min-width: 180px;
    }
}

@media (max-width: 400px) {
    .category-video-grid .video-card,
    .category-video-grid.horizontal-scroller .video-card {
        width: 160px;
        min-width: 160px;
    }
}

/* Vista completa de categoría */
.full-category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding: 0 5px;
}

.full-category-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.back-button {
    background-color: var(--button-bg-color);
    border: none;
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.back-button:hover {
    background-color: var(--button-hover-bg-color);
    transform: translateX(-3px);
}

.back-button i {
    font-size: 0.9em;
}

/* Grid completo de categoría */
.full-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 25px;
    padding: 0 5px;
}

.no-videos-message {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-secondary-color);
    padding: 40px 0;
    font-size: 1.1rem;
}

/* Responsive para grids de categoría */
@media (max-width: 1200px) {
    .category-video-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 15px;
    }

    .full-category-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .category-video-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 12px;
    }

    .full-category-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 15px;
    }

    .category-section {
        margin-bottom: 30px;
    }

    .full-category-header h1 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .category-video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .full-category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .category-section-header {
        margin-bottom: 10px;
    }

    .category-section-header h2 {
        font-size: 1.1rem;
    }

    .view-more-btn {
        font-size: 0.8rem;
    }

    .full-category-header {
        margin-bottom: 15px;
    }

    .full-category-header h1 {
        font-size: 1.2rem;
    }

    .back-button {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}
.horizontal-scroller {
    display: flex;
    overflow-x: auto;
    gap: 16px;
    padding: 5px 5px 15px 5px;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb-color) var(--scrollbar-track-color);
    position: relative;
    cursor: grab;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Indicador de scroll a la derecha - solo visible cuando hay más contenido */
.horizontal-scroller::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 15px;
    width: 40px;
    background: linear-gradient(to right, transparent, var(--bg-color));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Indicador de scroll a la izquierda - solo visible cuando hay scroll */
.horizontal-scroller::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 15px;
    width: 40px;
    background: linear-gradient(to left, transparent, var(--bg-color));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

/* Mostrar indicadores cuando hay más contenido */
.horizontal-scroller.has-more::after {
    opacity: 0.8;
}

/* Mostrar indicador izquierdo solo cuando se ha hecho scroll */
.horizontal-scroller.scrolled-right::before {
    opacity: 0.8;
}

/* Estilo cuando se está arrastrando */
.horizontal-scroller:active {
    cursor: grabbing;
}

.horizontal-scroller::-webkit-scrollbar {
    height: 8px;
}

.horizontal-scroller::-webkit-scrollbar-track {
    background: var(--scrollbar-track-color);
    border-radius: 4px;
}

.horizontal-scroller::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb-color);
    border-radius: 4px;
    border: 2px solid var(--scrollbar-track-color);
}

.horizontal-scroller::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-secondary-color);
}
.horizontal-scroller .video-card { width: calc(20% - 13px); min-width: 210px; max-width: 260px; flex-shrink: 0; background-color: transparent; border-radius: 0; box-shadow: none; transition: all 0.2s ease; display: flex; flex-direction: column; cursor: pointer; }
@media (max-width: 1600px) { .horizontal-scroller .video-card { width: calc(25% - 12px); } } @media (max-width: 1200px) { .horizontal-scroller .video-card { width: calc(33.33% - 11px); } } @media (max-width: 768px) { .horizontal-scroller .video-card { width: calc(50% - 8px); min-width: 180px; } } @media (max-width: 500px) { .horizontal-scroller .video-card { width: calc(60% - 8px); min-width: 160px; } } @media (max-width: 400px) { .horizontal-scroller .video-card { width: calc(70% - 6px); min-width: 150px; } }
.horizontal-scroller .video-card:hover { transform: translateY(-5px); box-shadow: 0 5px 10px var(--shadow-color); } .horizontal-scroller .video-card .thumbnail { position: relative; overflow: hidden; border-radius: 12px; margin-bottom: 12px; box-shadow: 0 2px 5px var(--shadow-color); width: 100%; transition: all 0.2s ease; } .horizontal-scroller .video-card:hover .thumbnail { box-shadow: 0 5px 15px var(--hover-shadow-color); } .horizontal-scroller .video-card .thumbnail img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; transition: transform 0.3s ease; } .horizontal-scroller .video-card:hover .thumbnail img { transform: scale(1.05); } .horizontal-scroller .video-card .info { padding: 0 5px; } .horizontal-scroller .video-card .info h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; color: var(--text-color); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis; transition: color 0.2s ease; } .horizontal-scroller .video-card:hover .info h3 { color: var(--link-color); } .horizontal-scroller .video-card .info .channel {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    margin-bottom: 4px;
}
.horizontal-scroller .video-card .info .stats {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

/* --- Vista Grid (Sin cambios) --- */
#main-content-area > .video-grid-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 25px 15px; }
#main-content-area > .video-grid-container .video-card { width: auto; flex-shrink: 1; background-color: transparent; border-radius: 0; box-shadow: none; transition: all 0.2s ease; cursor: pointer; display: flex; flex-direction: column; } #main-content-area > .video-grid-container .video-card:hover { transform: translateY(-5px); box-shadow: 0 5px 10px var(--shadow-color); } #main-content-area > .video-grid-container .video-card .thumbnail { position: relative; overflow: hidden; border-radius: 12px; margin-bottom: 12px; box-shadow: 0 2px 5px var(--shadow-color); width: 100%; transition: all 0.2s ease; } #main-content-area > .video-grid-container .video-card:hover .thumbnail { box-shadow: 0 5px 15px var(--hover-shadow-color); } #main-content-area > .video-grid-container .video-card .thumbnail img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; transition: transform 0.3s ease; } #main-content-area > .video-grid-container .video-card:hover .thumbnail img { transform: scale(1.05); } #main-content-area > .video-grid-container .video-card .info { padding: 0 5px; } #main-content-area > .video-grid-container .video-card .info h3 { font-size: 0.9rem; margin-bottom: 4px; color: var(--text-color); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis; font-weight: 600; transition: color 0.2s ease; } #main-content-area > .video-grid-container .video-card:hover .info h3 { color: var(--link-color); } #main-content-area > .video-grid-container .video-card .info .channel {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    margin-bottom: 4px;
}
#main-content-area > .video-grid-container .video-card .info .stats {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}


/* --- Vista Detallada --- */
.video-detail-container {
    background-color: transparent;
    margin: 0 auto;
    max-width: calc(1280px + 400px + 24px);
    display: grid;
    grid-template-columns: minmax(min(640px, 100%), 1fr) minmax(200px, 400px);
    gap: 24px;
    align-items: flex-start;
    width: 100%;
    box-sizing: border-box;
    padding: 0 20px;
}

.video-player-column {
    grid-column: 1 / 2; /* Colocación en grid escritorio */
    width: 100%;
    max-width: 100%;
}
.related-videos-column {
    grid-column: 2 / 3; /* Colocación en grid escritorio */
    width: 100%;
    padding: 0 10px; /* Padding lateral escritorio */
    box-sizing: border-box;
}

.video-player-wrapper {
    position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 12px; background-color: #000; box-shadow: 0 3px 10px var(--shadow-color); width: 100%; max-width: 100%;
}
.video-player-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; max-width: 100%; }

.video-info { padding: 16px 10px; box-sizing: border-box; width: 100%; max-width: 100%; }
.video-info h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 8px; color: var(--text-color); }
.video-meta { font-size: 0.85rem; color: var(--text-secondary-color); margin-bottom: 12px; display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; } .video-meta a { color: var(--text-color); font-weight: 600; text-decoration: none; transition: all 0.2s ease; } .video-meta a:hover { color: var(--link-color); } .video-meta .separator { margin: 0 2px; }
.video-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; } .video-stats span { font-size: 0.85rem; color: var(--text-color); display: flex; align-items: center; gap: 6px; transition: all 0.3s ease; background-color: var(--button-bg-color); padding: 6px 12px; border-radius: 16px; } .video-stats span:hover { background-color: var(--button-hover-bg-color); transform: translateY(-2px); } .video-stats span i { color: var(--text-color); font-size: 0.9em; }
.video-description { margin-top: 16px; background-color: var(--description-bg); border-radius: 12px; padding: 12px 16px; transition: all 0.3s ease; box-shadow: 0 1px 3px var(--shadow-color); } .video-description:hover { box-shadow: 0 2px 5px var(--shadow-color); } .video-description h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; color: var(--text-color); } #description-content { max-height: 6em; overflow: hidden; position: relative; transition: all 0.4s ease-out; font-size: 0.85rem; line-height: 1.5; } #description-content.expanded { max-height: 1000px; } #description-content p { white-space: pre-wrap; color: var(--text-color); margin: 0; word-break: break-word; } #description-content p a { color: var(--link-color); text-decoration: none; font-weight: 500; transition: all 0.2s ease; word-break: break-all; } #description-content p a:hover { text-decoration: underline; opacity: 0.85; } #read-more-desc { background-color: transparent; border: none; color: var(--text-color); font-weight: 600; cursor: pointer; padding: 5px 0; margin-top: 8px; font-size: 0.85rem; transition: all 0.2s ease; } #read-more-desc:hover { color: var(--link-color); transform: translateY(-1px); }
.video-tags { margin-top: 16px; margin-bottom: 10px; } .video-tags h3 { display: none; } #video-tags-container { display: flex; flex-wrap: wrap; gap: 6px; } #video-tags-container span { background-color: var(--button-bg-color); padding: 3px 10px; border-radius: 12px; font-size: 0.75rem; color: var(--text-secondary-color); transition: all 0.3s ease; cursor: default; } #video-tags-container span:hover { background-color: var(--button-hover-bg-color); transform: translateY(-1px); }

#related-videos-section { width: 100%; box-sizing: border-box; }
#related-videos-section h3 { font-size: 1rem; font-weight: 600; margin-bottom: 12px; color: var(--text-color); padding: 0 10px; /* Padding móvil */ }
@media (min-width: 1101px) { #related-videos-section h3 { padding: 0; } } /* Quitar padding H3 escritorio */

.related-videos-list-container { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 100%; box-sizing: border-box; }
/* Tarjetas Relacionados (Vertical escritorio por defecto) */
.related-videos-list-container:not(.horizontal-scroller) .related-video-card { display: flex; gap: 10px; cursor: pointer; width: 100%; transition: all 0.2s ease; border-radius: 8px; padding: 5px; box-sizing: border-box; } .related-videos-list-container:not(.horizontal-scroller) .related-video-card:hover { transform: translateX(3px); background-color: var(--card-bg-color); } .related-videos-list-container:not(.horizontal-scroller) .related-video-card .thumbnail { width: 168px; flex-shrink: 0; border-radius: 8px; overflow: hidden; margin-bottom: 0; box-shadow: 0 2px 4px var(--shadow-color); transition: all 0.2s ease; } .related-videos-list-container:not(.horizontal-scroller) .related-video-card:hover .thumbnail { box-shadow: 0 3px 8px var(--hover-shadow-color); } .related-videos-list-container:not(.horizontal-scroller) .related-video-card .thumbnail img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; transition: transform 0.3s ease; } .related-videos-list-container:not(.horizontal-scroller) .related-video-card:hover .thumbnail img { transform: scale(1.05); } .related-videos-list-container:not(.horizontal-scroller) .related-video-card .info { padding: 0; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-start; flex-grow: 1; min-width: 0; } .related-videos-list-container:not(.horizontal-scroller) .related-video-card .info h4 { font-size: 0.85rem; font-weight: 600; color: var(--text-color); margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis; line-height: 1.4; transition: color 0.2s ease; } .related-videos-list-container:not(.horizontal-scroller) .related-video-card:hover .info h4 { color: var(--link-color); } .related-videos-list-container:not(.horizontal-scroller) .related-video-card .info .channel {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    margin-bottom: 4px;
}

.related-videos-list-container:not(.horizontal-scroller) .related-video-card .info .stats {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}


/* === Layout Detalle Móvil (max-width: 1100px) === */
@media (max-width: 1100px) {
    .video-detail-container {
        display: block;
        padding: 0;
        max-width: 100%;
    }

    .video-player-column,
    .related-videos-column {
        width: 100%;
        padding: 0;
    }

    .video-info {
        padding: 16px;
    }

    .related-videos-column {
        padding-top: 20px;
        border-top: 1px solid var(--border-color);
    }

    /* Layout Horizontal para Lista Relacionados en Móvil */
    .related-videos-list-container.horizontal-scroller {
        display: flex; /* Forzar flex aquí */
        flex-direction: row;
        overflow-x: auto;
        padding: 0 10px 15px 10px;
        width: 100%;
        gap: 10px;
        box-sizing: border-box;
        scrollbar-width: thin;
        scrollbar-color: var(--scrollbar-thumb-color) var(--scrollbar-track-color);
        min-height: 150px;
    }
    .related-videos-list-container.horizontal-scroller::-webkit-scrollbar { height: 8px; } .related-videos-list-container.horizontal-scroller::-webkit-scrollbar-track { background: var(--scrollbar-track-color); border-radius: 4px; } .related-videos-list-container.horizontal-scroller::-webkit-scrollbar-thumb { background-color: var(--scrollbar-thumb-color); border-radius: 4px; border: 2px solid var(--scrollbar-track-color); } .related-videos-list-container.horizontal-scroller::-webkit-scrollbar-thumb:hover { background-color: var(--text-secondary-color); }

    .related-videos-list-container.horizontal-scroller .related-video-card {
        width: calc(20% - 13px); min-width: 210px; max-width: 260px;
        flex-shrink: 0; flex-direction: column; padding: 0; background-color: transparent; transform: none; border-radius: 0; box-shadow: none; gap: 8px;
    }
    .related-videos-list-container.horizontal-scroller .related-video-card .thumbnail {
        width: 100%;
        margin-bottom: 0;
        box-shadow: 0 2px 4px var(--shadow-color);
        border-radius: 8px;
    }
    .related-videos-list-container.horizontal-scroller .related-video-card .info {
        padding: 0 5px;
        width: 100%;
    }
    .related-videos-list-container.horizontal-scroller .related-video-card .info .channel {
        font-size: 0.75rem;
        color: var(--text-secondary-color);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.3;
        margin-bottom: 4px;
    }
    .related-videos-list-container.horizontal-scroller .related-video-card .info .stats {
        font-size: 0.75rem;
        color: var(--text-secondary-color);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.3;
    }
    #related-videos-section h3 { padding-left: 10px; padding-right: 10px; }
}
/* === FIN Layout Detalle Móvil === */

/* Footer */
.site-footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    color: var(--text-secondary-color);
    font-size: 0.9rem;
    border-top: 1px solid var(--header-border);
    background-color: var(--bg-color);
    transition: color 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

.site-footer p {
    margin: 0;
}

.site-footer .fa-heart {
    color: #ff4444;
    margin: 0 4px;
    animation: heartbeat 1.5s ease infinite;
}

.site-footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.site-footer a:hover {
    color: var(--accent-color-hover);
    text-decoration: underline;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Ajustes Responsivos Adicionales (Generales) */
@media (max-width: 768px) {
    .site-header { padding: 0 15px; }
    body:not(.detail-view) #app-container { padding: 0 15px; }
    .header-content #logo { margin-right: 15px; }
    #category-menu-container { margin-right: 10px; }
    .header-controls { gap: 10px; }
    .time-period-selector { flex-direction: row; }
    .time-period-button { padding: 5px 8px; font-size: 0.75rem; }
}

@media (max-width: 600px) {
    body:not(.detail-view) #app-container { padding: 0 10px; margin-top: 10px; }
    .site-header { padding: 0 10px; }
    #logo-link { margin-right: 10px; }
    #category-menu-container { margin-right: 8px; }
    .category-item { padding: 5px 10px; font-size: 0.8rem; margin-right: 6px;}
    .header-controls { gap: 8px; }
    .time-period-button { padding: 5px 6px; font-size: 0.7rem; min-width: 30px; }
    .lang-button { padding: 5px 8px; min-height: 36px; min-width: 36px; display: flex; align-items: center; justify-content: center; }
    #theme-toggle { font-size: 1.1rem; min-height: 36px; min-width: 36px; display: flex; align-items: center; justify-content: center; }
    #main-content-area > .video-grid-container { grid-template-columns: 1fr; gap: 20px 0; }
    .horizontal-scroller { gap: 10px; }
    .horizontal-scroller .video-card { width: calc(60% - 5px); min-width: 180px; }
    .category-video-grid .video-card { width: calc(60% - 5px); min-width: 180px; }
    @media (min-width: 450px) and (max-width: 600px) {
        .horizontal-scroller .video-card { width: calc(45% - 6px); }
        .category-video-grid .video-card { width: calc(45% - 6px); }
    }
    .video-info { padding: 16px 10px; }
    .video-info h2 { font-size: 1.1rem; }
    .video-meta { font-size: 0.8rem; }
    .video-stats span { font-size: 0.8rem; padding: 5px 10px; }
    #description-content { font-size: 0.8rem; }
    #read-more-desc { font-size: 0.8rem; }
    .video-tags { display: none; }
}

@media (max-width: 400px) {
    body:not(.detail-view) #app-container { padding: 0 8px; }
    .related-videos-list-container.horizontal-scroller .related-video-card { width: calc(70% - 6px); min-width: 150px; }
    .related-videos-list-container.horizontal-scroller .related-video-card .thumbnail img { height: auto; }
    .category-video-grid .video-card { width: calc(70% - 6px); min-width: 150px; }
    .header-controls { gap: 5px; }
    .time-period-button { padding: 4px 5px; font-size: 0.65rem; min-width: 28px; }
    .lang-button { padding: 4px 6px; }
    .video-info { padding: 12px 8px; }
    #related-videos-section h3 { margin-left: 8px; margin-right: 8px; padding: 0; }
}

/* Animación Fade-in */
.fade-in { animation: fadeIn 0.3s ease-in forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Estado de Carga */
.loading { opacity: 0.7; pointer-events: none; }

/* Optimizaciones de rendimiento */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Estilos para estados de carga y error */
.loading-state {
    opacity: 0.7;
    pointer-events: none;
}

.loading-spinner {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary-color);
}

.error-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: var(--text-color);
    text-align: center;
    padding: 20px;
}

.error-message i {
    font-size: 2rem;
    color: var(--accent-color);
}

.retry-button {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.retry-button:hover {
    background-color: var(--button-hover-bg-color);
}

/* Mejoras de accesibilidad */
:focus-visible {
    outline: 3px solid var(--focus-outline-color);
    outline-offset: 2px;
}

/* Mejoras visuales para interacciones */
.video-card,
.related-video-card {
    transition: transform 0.2s ease;
}

@media (hover: hover) {
    .video-card:hover,
    .related-video-card:hover {
        transform: translateY(-2px);
    }
}

/* Añadir animaciones y efectos visuales */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* Skeleton loading para cards */
.video-card.skeleton {
    background: linear-gradient(90deg, var(--card-bg-color) 25%, var(--button-bg-color) 50%, var(--card-bg-color) 75%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Mejoras visuales para cards */
.video-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px var(--shadow-color);
    animation: fadeIn 0.3s ease-out;
    background: var(--card-bg-color);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px var(--hover-shadow-color);
}

/* Mejoras en la barra de categorías */
#category-menu-container {
    position: relative;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 5px;
}

#category-menu-container::-webkit-scrollbar {
    display: none;
}

.category-item {
    background: var(--button-bg-color);
    border-radius: 20px;
    padding: 8px 16px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.category-item.active {
    background: var(--accent-color);
    color: white;
}

/* Tooltip personalizado */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 10px;
    background: var(--text-color);
    color: var(--bg-color);
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    white-space: nowrap;
    z-index: 1000;
}

[data-tooltip]:hover:before {
    opacity: 1;
    visibility: visible;
}

/* Mejoras en el modo oscuro */
body.dark-mode {
    --card-bg-color: #1a1a1a;
    --button-bg-color: #2d2d2d;
    --button-hover-bg-color: #404040;
}

/* Mejoras en la vista detallada */
.video-detail-container {
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
}

.video-info {
    padding: 20px;
    background: var(--card-bg-color);
    border-radius: 12px;
    margin-top: 20px;
}

/* Mejoras en responsive */
@media (max-width: 768px) {
    .video-card {
        border-radius: 8px;
    }

    .video-info {
        border-radius: 0;
        margin-top: 0;
    }

    .category-item {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}

/* Mejoras en Skeleton Loading */
.skeleton {
    background: var(--skeleton-gradient);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: var(--border-radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Mejoras en Feedback Visual */
.video-card {
    transition: transform var(--transition-normal),
                box-shadow var(--transition-normal);
    will-change: transform, box-shadow;
    position: relative;
    overflow: hidden;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2);
}

/* Efecto Ripple */
.ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 600ms linear;
    background-color: var(--ripple-color);
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Mejoras en Botones */
button {
    min-height: var(--touch-target-size);
    min-width: var(--touch-target-size);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

/* Mejoras en Scroll Horizontal */
.horizontal-scroller {
    position: relative;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.horizontal-scroller::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 40px;
    background: linear-gradient(to right, transparent, var(--bg-color));
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.horizontal-scroller.has-more::after {
    opacity: 1;
}

/* Mejoras en Lazy Loading de Imágenes */
.lazy-image {
    position: relative;
    background: var(--card-bg-color);
    overflow: hidden;
}

.lazy-image img {
    transition: opacity var(--transition-normal),
                filter var(--transition-normal);
}

.lazy-image.loading img {
    opacity: 0;
    filter: var(--blur-md);
}

.lazy-image.loaded img {
    opacity: 1;
    filter: none;
}

/* Mejoras en Vista Detallada */
.video-detail-container {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp var(--transition-normal) forwards;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mejoras en Categorías */
.category-item {
    transition: all var(--transition-normal);
    transform-origin: center;
}

.category-item:active {
    transform: scale(0.95);
}

.category-item.active {
    font-weight: 600;
    background: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-1);
}

/* Mejoras Responsivas */
@media (max-width: 768px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 20px;
    }

    button {
        min-height: 40px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .video-card {
        margin-bottom: var(--spacing-md);
    }
}

/* Mejoras en Accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}