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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
    padding: 20px;
}

/* Background con imagen */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(3px);
}

.background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

/* Card principal */
.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    padding: 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Avatar */
.avatar-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Nickname */
.nickname {
    font-size: 2em;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Descripción */
.description {
    font-size: 1em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* Redes sociales */
.social-media {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.social-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
}

.social-icon svg,
.social-icon img {
    width: 24px;
    height: 24px;
}

/* Pestañas de años */
.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.tab {
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.tab:hover {
    background: rgba(255, 255, 255, 0.15);
}

.tab.active {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

/* Contenedor de playlists */
.playlist-container {
    position: relative;
    min-height: 152px;
}

.playlist {
    display: none;
    width: 100%;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: fadeInPlaylist 0.5s ease;
}

.playlist.active {
    display: block;
}

@keyframes fadeInPlaylist {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.playlist iframe {
    width: 100%;
    height: 152px;
    border: none;
}

/* Footer con créditos */
.credits {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.credits:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-50%) translateY(-3px);
}

.credits-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.credits-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9em;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

@media (max-width: 600px) {
    .card {
        padding: 30px 20px;
    }

    .nickname {
        font-size: 1.5em;
    }

    .description {
        font-size: 0.9em;
    }

    .tabs {
        gap: 8px;
    }

    .tab {
        padding: 8px 20px;
        font-size: 0.9em;
    }

    .credits {
        bottom: 10px;
        padding: 10px 15px;
        font-size: 0.85em;
    }

    .credits-avatar {
        width: 25px;
        height: 25px;
    }
}