/* RESET */
* {
    box-sizing: border-box;
}

/* BODY + STICKY FOOTER */
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #000;
    color: #fff;
}

/* CONTENT WRAPPER */
.page-content {
    flex: 1;
}

/* ===================== */
/* TOP BAR               */
/* ===================== */
.top-bar {
    border-bottom: 1px solid #222;
}

.nav-inner {
    max-width: 1200px;
    margin: auto;
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 14px;
    letter-spacing: 4px;
    font-weight: bold;
}

.nav-buttons a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.7;
}

.nav-buttons a:hover {
    opacity: 1;
}

/* ===================== */
/* HERO                  */
/* ===================== */
.hero {
    text-align: center;
    padding: 70px 20px 50px;
}

.hero h1 {
    margin: 0 0 10px;
    font-size: 38px;
    letter-spacing: 2px;
}

.hero p {
    margin: 0;
    font-size: 14px;
    opacity: 0.6;
}

/* ===================== */
/* PLAYER GRID           */
/* ===================== */
.player-container {
    max-width: 1200px;
    margin: auto;
    padding: 60px 20px 100px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

/* PLAYER CARD */
.player {
    background-color: #111;
    padding: 35px 30px;
    border-radius: 14px;
}

/* ALBUM LABEL */
.album-label {
    display: block;
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.5;
    margin-bottom: 14px;
}

/* RELEASE TITLE */
.player h2 {
    margin: 0 0 20px;
    font-size: 18px;
    font-weight: normal;
}

/* AUDIO */
audio {
    width: 100%;
    margin-bottom: 20px;
    filter: invert(1);
}

/* TRACKLIST */
.tracklist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tracklist li {
    cursor: pointer;
    padding: 8px 0;
    font-size: 14px;
    opacity: 0.6;
    border-bottom: 1px solid #222;
}

.tracklist li:last-child {
    border-bottom: none;
}

.tracklist li:hover {
    opacity: 1;
}

/* ===================== */
/* FOOTER                */
/* ===================== */
.footer-bar {
    border-top: 1px solid #222;
    text-align: center;
    padding: 20px;
    font-size: 13px;
    opacity: 0.6;
}

/* ===================== */
/* MOBILE                */
/* ===================== */
@media (max-width: 700px) {
    .player-container {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 30px;
    }
}
.tracklist li.active {
    color: #1DB954; /* z.B. Spotify-Grün */
    font-weight: bold;
}

/* ===================== */
/* MOBILE OPTIMIERUNG    */
/* ===================== */
@media (max-width: 700px) {

    /* NAV */
    .nav-inner {
        padding: 14px 16px;
    }

    .logo {
        font-size: 12px;
        letter-spacing: 3px;
    }

    .nav-buttons a {
        font-size: 13px;
    }

    /* HERO */
    .hero {
        padding: 50px 16px 40px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 13px;
    }

    /* PLAYER GRID */
    .player-container {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 40px 16px 80px;
    }

    /* PLAYER CARD */
    .player {
        padding: 26px 22px;
        border-radius: 12px;
    }

    /* TITLES */
    .player h2 {
        font-size: 16px;
    }

    .album-label {
        font-size: 11px;
        letter-spacing: 2px;
    }

    /* AUDIO */
    audio {
        margin-bottom: 16px;
    }

    /* TRACKLIST */
    .tracklist li {
        font-size: 13px;
        padding: 10px 0;
    }

    /* FOOTER */
    .footer-bar {
        font-size: 12px;
        padding: 16px;
    }
}