/**
 * Portal de Noticias de Manga y Anime - Estilos CSS
 * Tema oscuro minimalista con interfaz de "mazo de cartas"
 * Diseño completamente responsivo
 */

/* ========== VARIABLES CSS ========== */
:root {
    /* Paleta de colores principales */
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --card-bg: #2a2a2a;
    --accent-bg: #3a3a3a;
    --hover-bg: #4a4a4a;
    
    /* Colores de texto */
    --primary-text: #ffffff;
    --secondary-text: #cccccc;
    --muted-text: #999999;
    --accent-text: #66d9ef;
    
    /* Colores de acento */
    --primary-accent: #ff6b35;
    --secondary-accent: #f7931e;
    --success-color: #4caf50;
    --error-color: #f44336;
    --warning-color: #ff9800;
    
    /* Sombras */
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    --card-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.8);
    --button-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Bordes */
    --border-radius-small: 8px;
    --border-radius-medium: 12px;
    --border-radius-large: 16px;
    --border-radius-xl: 20px;
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Fuentes */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* ========== RESETEO BÁSICO ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    background: linear-gradient(135deg, var(--primary-bg) 0%, #1a1a2e 50%, #16213e 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    color: var(--primary-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Fondo animado con partículas */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(102, 217, 239, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(247, 147, 30, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

/* ========== HEADER PRINCIPAL ========== */
.main-header {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-medium);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-accent) 20%, 
        var(--secondary-accent) 50%, 
        var(--primary-accent) 80%, 
        transparent 100%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.5; transform: translateX(-100%); }
    50% { opacity: 1; transform: translateX(100%); }
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.logo-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.site-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-accent);
    text-decoration: none;
}

.logo-icon {
    font-size: var(--font-size-4xl);
    filter: drop-shadow(0 0 15px rgba(255, 107, 53, 0.7));
    animation: pulse 2s ease-in-out infinite;
    transition: var(--transition-medium);
}

.logo-icon:hover {
    transform: rotate(10deg) scale(1.1);
    filter: drop-shadow(0 0 25px rgba(255, 107, 53, 1));
}

.title-text {
    background: linear-gradient(45deg, var(--primary-accent), var(--secondary-accent), var(--primary-accent));
    background-size: 300% 300%;
    animation: gradientText 4s ease infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-medium);
}

.title-text:hover {
    transform: translateY(-2px);
    text-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes gradientText {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.site-subtitle {
    color: var(--secondary-text);
    font-size: var(--font-size-base);
    font-weight: 400;
    margin-left: calc(var(--font-size-4xl) + var(--spacing-md));
}

/* ========== CONTROLES DE IDIOMA ========== */
.language-controls {
    display: flex;
    gap: var(--spacing-sm);
    background: rgba(42, 42, 42, 0.8);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-large);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.language-controls::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: slide 3s ease-in-out infinite;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--secondary-text);
    border: none;
    border-radius: var(--border-radius-medium);
    cursor: pointer;
    transition: all var(--transition-medium);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.language-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.2), transparent);
    transition: var(--transition-medium);
}

.language-btn:hover {
    background: var(--hover-bg);
    color: var(--primary-text);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.language-btn:hover::before {
    left: 100%;
}

.language-btn.active {
    background: linear-gradient(45deg, var(--primary-accent), var(--secondary-accent));
    color: var(--primary-text);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
    transform: translateY(-2px);
}

.language-btn.active::before {
    display: none;
}

@keyframes slide {
    0% { left: -100%; }
    100% { left: 100%; }
}

.flag {
    font-size: var(--font-size-lg);
}

/* ========== TELEPROMPTER DE NOTICIAS ========== */
.news-ticker-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f172a 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 2px solid var(--primary-accent);
    padding: var(--spacing-md) 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.news-ticker-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    animation: tickerShimmer 4s ease-in-out infinite;
}

.ticker-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
}

.ticker-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(45deg, var(--primary-accent), var(--secondary-accent));
    color: var(--primary-text);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-medium);
    font-weight: 600;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
    position: relative;
    overflow: hidden;
    min-width: fit-content;
    z-index: 2;
}

.ticker-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: labelShine 3s ease-in-out infinite;
}

.ticker-icon {
    font-size: var(--font-size-base);
    animation: iconPulse 2s ease-in-out infinite;
}

.ticker-content {
    flex: 1;
    background: rgba(26, 26, 26, 0.8);
    border-radius: var(--border-radius-medium);
    overflow: hidden;
    position: relative;
    height: 45px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.ticker-content::before,
.ticker-content::after {
    content: '';
    position: absolute;
    top: 0;
    width: 50px;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.ticker-content::before {
    left: 0;
    background: linear-gradient(to right, rgba(26, 26, 26, 1), transparent);
}

.ticker-content::after {
    right: 0;
    background: linear-gradient(to left, rgba(26, 26, 26, 1), transparent);
}

.news-ticker {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.ticker-content-scroll {
    display: inline-block;
    white-space: nowrap;
    color: var(--primary-text);
    font-size: var(--font-size-base);
    font-weight: 500;
    padding: 0 var(--spacing-lg);
    will-change: transform;
    animation: none;
    transform: translateX(0px);
    transition: none;
}

/* Efectos especiales del ticker - REMOVIDOS */

/* Animaciones del teleprompter */
@keyframes tickerShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes labelShine {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

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

/* Animación CSS de respaldo para el ticker */
@keyframes tickerScroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

.ticker-css-fallback {
    animation: tickerScroll 30s linear infinite;
}

/* Responsive del teleprompter */
@media (max-width: 768px) {
    .ticker-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-md);
    }
    
    .ticker-label {
        width: 100%;
        justify-content: center;
        padding: 2px var(--spacing-sm);
        font-size: 10px;
        letter-spacing: 0.3px;
    }
    
    .ticker-icon {
        font-size: var(--font-size-sm);
    }
    
    .ticker-content {
        width: 100%;
        height: 35px;
    }
    
    .ticker-content-scroll {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .news-ticker-section {
        padding: var(--spacing-sm) 0;
    }
    
    .ticker-label {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .ticker-content {
        height: 30px;
    }
}

/* Estados interactivos del teleprompter */
.ticker-container:hover .ticker-label {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
}

.ticker-container:hover .ticker-content {
    border-color: var(--primary-accent);
    box-shadow: 0 0 15px rgba(255, 107, 53, 0.3);
}

/* ========== CONTENIDO PRINCIPAL ========== */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-lg);
    min-height: calc(100vh - 300px);
}

/* ========== INDICADORES DE ESTADO ========== */
.status-indicator {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xxl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 107, 53, 0.2);
    border-top: 3px solid var(--primary-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-message {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--error-color);
    border-radius: var(--border-radius-medium);
    padding: var(--spacing-xl);
    color: var(--error-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.error-icon {
    font-size: var(--font-size-3xl);
}

.retry-btn {
    background: var(--error-color);
    color: var(--primary-text);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    font-family: var(--font-family-primary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.retry-btn:hover {
    background: #d32f2f;
    transform: translateY(-2px);
}

.hidden {
    display: none !important;
}

/* ========== INFORMACIÓN DE NOTICIAS ========== */
.news-info {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(42, 42, 42, 0.5);
    border-radius: var(--border-radius-medium);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feed-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--accent-text);
    margin-bottom: var(--spacing-sm);
}

.feed-description {
    color: var(--secondary-text);
    margin-bottom: var(--spacing-md);
}

.feed-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    font-size: var(--font-size-sm);
    color: var(--muted-text);
}

/* ========== CONTENEDOR DE CARTA ========== */
.card-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    perspective: 1000px;
}

.news-card {
    background: linear-gradient(145deg, var(--card-bg), #252525);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    max-width: 650px;
    width: 100%;
    transition: all var(--transition-slow);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    animation: cardAppear 0.8s ease-out;
    position: relative;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(255, 107, 53, 0.1) 0%, 
        transparent 30%, 
        transparent 70%, 
        rgba(102, 217, 239, 0.1) 100%);
    opacity: 0;
    transition: var(--transition-medium);
    pointer-events: none;
}

.news-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, 
        var(--primary-accent), 
        var(--secondary-accent), 
        var(--accent-text), 
        var(--primary-accent));
    background-size: 300% 300%;
    border-radius: var(--border-radius-xl);
    opacity: 0;
    z-index: -1;
    animation: gradientRotate 4s ease infinite;
    transition: var(--transition-medium);
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(50px) rotateX(15deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0) scale(1);
    }
}

@keyframes gradientRotate {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.news-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    transform: translateY(-15px) rotateX(5deg) scale(1.02);
    border-color: var(--primary-accent);
}

.news-card:hover::before {
    opacity: 1;
}

.news-card:hover::after {
    opacity: 1;
}

/* ========== IMAGEN DE LA CARTA ========== */
.card-image-container {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card:hover .card-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--spacing-lg);
    display: flex;
    justify-content: flex-end;
}

.publish-date {
    background: rgba(255, 107, 53, 0.9);
    color: var(--primary-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-xs);
    font-weight: 500;
    backdrop-filter: blur(10px);
}

/* ========== CONTENIDO DE LA CARTA ========== */
.card-content {
    padding: var(--spacing-xl);
}

.card-header {
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--muted-text);
    font-size: var(--font-size-sm);
}

.card-author {
    color: var(--accent-text);
    font-weight: 500;
}

.meta-separator {
    opacity: 0.5;
}

.card-body {
    margin-bottom: var(--spacing-xl);
}

.card-description {
    color: var(--secondary-text);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* ========== PIE DE CARTA ========== */
.card-footer {
    display: flex;
    justify-content: center;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    background: linear-gradient(45deg, var(--primary-accent), var(--secondary-accent), var(--primary-accent));
    background-size: 300% 300%;
    color: var(--primary-text);
    text-decoration: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius-large);
    font-weight: 700;
    font-size: var(--font-size-lg);
    transition: all var(--transition-medium);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: gradientMove 3s ease infinite;
}

.read-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-medium);
}

.read-more-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.6);
    animation: gradientMove 1s ease infinite;
}

.read-more-btn:hover::before {
    left: 100%;
}

.read-more-btn:active {
    transform: translateY(-2px) scale(1.02);
}

.btn-icon {
    font-size: var(--font-size-xl);
    transition: var(--transition-medium);
}

.read-more-btn:hover .btn-icon {
    transform: scale(1.3) rotate(10deg);
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.btn-icon {
    font-size: var(--font-size-lg);
}

/* ========== CONTROLES DE NAVEGACIÓN ========== */
.navigation-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(26, 26, 26, 0.3);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(10px);
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(45deg, var(--card-bg), var(--accent-bg));
    color: var(--primary-text);
    border: 2px solid transparent;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-large);
    cursor: pointer;
    font-family: var(--font-family-primary);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-width: 120px;
    justify-content: center;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-medium);
}

.nav-btn:hover {
    background: linear-gradient(45deg, var(--primary-accent), var(--secondary-accent));
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
    border-color: var(--primary-accent);
}

.nav-btn:hover::before {
    left: 100%;
}

.nav-btn:active {
    transform: translateY(-2px) scale(1.02);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    background: var(--accent-bg);
}

.nav-btn:disabled:hover {
    transform: none;
    box-shadow: none;
    border-color: transparent;
}

.nav-btn:disabled::before {
    display: none;
}

.nav-icon {
    font-size: var(--font-size-lg);
    transition: var(--transition-medium);
}

.nav-btn:hover .nav-icon {
    transform: scale(1.2);
}

.nav-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(45deg, var(--accent-bg), var(--hover-bg));
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-large);
    font-weight: 700;
    color: var(--accent-text);
    font-size: var(--font-size-lg);
    border: 2px solid rgba(102, 217, 239, 0.3);
    box-shadow: 0 4px 15px rgba(102, 217, 239, 0.2);
    animation: glow 3s ease-in-out infinite;
}

.shuffle-controls {
    display: flex;
    justify-content: center;
}

.shuffle-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: transparent;
    color: var(--accent-text);
    border: 3px solid var(--accent-text);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    font-family: var(--font-family-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 2px;
    backdrop-filter: blur(10px);
}

.shuffle-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--accent-text), transparent);
    transition: all var(--transition-medium);
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.shuffle-btn:hover {
    background: var(--accent-text);
    color: var(--primary-bg);
    transform: translateY(-5px) rotate(360deg);
    box-shadow: 0 15px 40px rgba(102, 217, 239, 0.5);
    border-color: var(--accent-text);
}

.shuffle-btn:hover::before {
    width: 300px;
    height: 300px;
}

.shuffle-icon {
    font-size: var(--font-size-xl);
    transition: var(--transition-medium);
}

.shuffle-btn:hover .shuffle-icon {
    transform: rotate(180deg) scale(1.3);
}

@keyframes glow {
    0%, 100% { box-shadow: 0 4px 15px rgba(102, 217, 239, 0.2); }
    50% { box-shadow: 0 6px 25px rgba(102, 217, 239, 0.4); }
}

.shuffle-icon {
    font-size: var(--font-size-lg);
}

/* ========== FOOTER ========== */
.main-footer {
    background: var(--secondary-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.footer-text {
    color: var(--muted-text);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    color: var(--secondary-text);
    font-size: var(--font-size-sm);
}

.source-credit {
    color: var(--accent-text);
    font-weight: 500;
}

/* ========== DISEÑO RESPONSIVO ========== */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .site-title {
        font-size: var(--font-size-2xl);
    }
    
    .site-subtitle {
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }
    
    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .card-content {
        padding: var(--spacing-lg);
    }
    
    .card-title {
        font-size: var(--font-size-lg);
    }
    
    .nav-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-btn {
        width: 100%;
        justify-content: center;
    }
    
    .feed-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .news-card {
        margin: 0 var(--spacing-sm);
    }
    
    .card-image-container {
        height: 200px;
    }
    
    .language-controls {
        width: 100%;
    }
    
    .language-btn {
        flex: 1;
        justify-content: center;
    }
}

/* ========== ANIMACIONES ADICIONALES ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(50px);
    }
    50% {
        opacity: 1;
        transform: scale(1.05) translateY(-10px);
    }
    70% {
        transform: scale(0.95) translateY(5px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes wiggle {
    0%, 7% { transform: rotateZ(0); }
    15% { transform: rotateZ(-15deg); }
    20% { transform: rotateZ(10deg); }
    25% { transform: rotateZ(-10deg); }
    30% { transform: rotateZ(6deg); }
    35% { transform: rotateZ(-4deg); }
    40%, 100% { transform: rotateZ(0); }
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

/* Efectos especiales para elementos interactivos */
.interactive-hover {
    transition: all var(--transition-medium);
}

.interactive-hover:hover {
    animation: wiggle 0.6s ease-in-out;
}

/* Partículas flotantes */
.floating-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-accent);
    border-radius: 50%;
    animation: float-up 15s linear infinite;
}

.particle:nth-child(2n) {
    background: var(--secondary-accent);
    animation-duration: 12s;
}

.particle:nth-child(3n) {
    background: var(--accent-text);
    animation-duration: 18s;
}

@keyframes float-up {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* ========== UTILIDADES ========== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center {
    text-align: center;
}

.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* ========== MEJORAS DE ACCESIBILIDAD ========== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== MODO DE ALTO CONTRASTE ========== */
@media (prefers-contrast: high) {
    :root {
        --primary-bg: #000000;
        --card-bg: #ffffff;
        --primary-text: #000000;
        --secondary-text: #333333;
    }
    
    .news-card {
        border: 2px solid #333333;
    }
}