/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF0000; /* Rojo YouTube */
    --secondary-color: #1DB954; /* Verde Spotify */
    --accent-color: #9146FF; /* Morado Twitch */
    --dark-bg: #0f0f0f;
    --darker-bg: #0a0a0a;
    --light-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #666666;
    --card-bg: #222222;
    --card-hover: #333333;
    --border-color: #333333;
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Roboto', 'Open Sans', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background-color: var(--darker-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    padding: 5px 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.hero-banner {
    text-align: center;
    margin-bottom: 40px;
}

.hero-logo {
    max-width: 600px;
    width: 100%;
    height: auto;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, var(--text-primary), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Featured Player */
.featured-player {
    max-width: 900px;
    margin: 40px auto 0;
}

.featured-player .section-title {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.player-container {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.player-info {
    padding: 20px;
}

.player-info h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.artist-info {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.year-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Intro Section */
.intro-section {
    padding: 60px 0;
    background-color: var(--light-bg);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-primary);
}

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

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.features-list {
    list-style: none;
    margin: 30px 0;
    text-align: left;
    display: inline-block;
}

.features-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list i {
    color: var(--secondary-color);
    font-size: 1.2rem;
    width: 24px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: 'Roboto', sans-serif;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #cc0000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Filters */
.filters {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 40px;
}

.filter-group {
    margin-bottom: 25px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Covers Grid */
.covers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.cover-card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.cover-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    background-color: var(--card-hover);
}

.cover-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.cover-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

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

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

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.cover-card:hover .play-overlay {
    opacity: 1;
}

.play-overlay i {
    font-size: 3rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.cover-info {
    padding: 20px;
}

.cover-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
    line-height: 1.4;
    color: var(--text-primary);
}

.cover-artist {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.cover-meta {
    display: flex;
    gap: 10px;
    font-size: 0.85rem;
}

.cover-meta span {
    padding: 3px 10px;
    border-radius: 12px;
    background-color: var(--light-bg);
    color: var(--text-secondary);
}

/* SEO Section */
.seo-section {
    padding: 60px 0;
    background-color: var(--light-bg);
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.seo-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.seo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.seo-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.seo-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.seo-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Load More */
.load-more {
    text-align: center;
    margin-top: 40px;
}

/* Footer */
.main-footer {
    background-color: var(--darker-bg);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    max-width: 200px;
    margin-bottom: 20px;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--light-bg);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Detail Page Styles */
.detail-page {
    padding: 40px 0;
}

.player-wrapper {
    max-width: 900px;
    margin: 0 auto 40px;
}

.video-player {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius);
    background-color: #000;
}

.video-player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius);
}

.player-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.song-info-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .song-info-grid {
        grid-template-columns: 1fr;
    }
}

.song-title {
    font-size: 2.2rem;
    margin-bottom: 30px;
    line-height: 1.3;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.meta-card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.meta-card h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.meta-card p {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.decade-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 8px;
}

.trivia-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius);
    border-left: 4px solid var(--secondary-color);
}

.trivia-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.trivia-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
}

/* Lyrics Section */
.lyrics-section {
    margin-bottom: 40px;
}

.lyrics-container {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    margin-top: 20px;
}

.lyrics-text {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.lyrics-placeholder {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.lyrics-placeholder .small {
    font-size: 0.9rem;
    margin-top: 10px;
    color: var(--text-muted);
}

/* Behind Section */
.behind-section {
    margin-bottom: 40px;
}

.behind-content {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    margin-top: 20px;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Description Section */
.description-section {
    margin-bottom: 40px;
}

.description-content {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    margin-top: 20px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-height: 300px;
    overflow-y: auto;
}

/* Tags Section */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tag {
    background-color: var(--light-bg);
    color: var(--text-secondary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Navigation Section */
.navigation-section {
    margin-top: 60px;
}

.nav-buttons {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-buttons .btn {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

/* Search Page */
.search-section {
    padding: 60px 0;
}

.search-container {
    max-width: 600px;
    margin: 0 auto 40px;
}

.search-box {
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-results {
    margin-top: 40px;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-muted);
}

/* Artists Page */
.artists-section {
    padding: 60px 0;
}

.artists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.artist-card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.artist-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.artist-header {
    padding: 30px 30px 20px;
    border-bottom: 1px solid var(--border-color);
}

.artist-name {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.artist-meta {
    display: flex;
    gap: 15px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.artist-body {
    padding: 20px 30px;
}

.artist-bio {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.artist-covers {
    margin-top: 20px;
}

.artist-covers h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.artist-covers-list {
    list-style: none;
}

.artist-covers-list li {
    margin-bottom: 8px;
}

.artist-covers-list a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.artist-covers-list a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.artist-covers-list .year {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* About Page */
.about-section {
    padding: 60px 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
    color: var(--text-primary);
}

.about-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-content ul {
    margin: 20px 0;
    padding-left: 20px;
    color: var(--text-secondary);
}

.about-content li {
    margin-bottom: 10px;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--darker-bg);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .covers-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 15px;
    }
    
    .song-title {
        font-size: 1.8rem;
    }
    
    .meta-grid {
        grid-template-columns: 1fr;
    }
}