@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Poppins", sans-serif;
    background: radial-gradient(circle at top, #0a0f29, #000);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Player container */
.player-container {
    width: 360px;
    padding: 30px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0px 0px 20px rgba(63, 94, 251, 0.6);
    text-align: center;
    color: #fff;
    animation: fade 1s ease-in-out;
}

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

.title {
    font-size: 24px;
    margin-bottom: 20px;
    color: #7bc9ff;
}

.song-info h3 { font-size: 22px; margin-bottom: 5px; }
.song-info p { font-size: 14px; opacity: 0.8; }

/* Progress bar */
.progress-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
}
#progress-bar {
    flex: 1;
    height: 5px;
    border-radius: 5px;
    background: #111;
    accent-color: #00eaff;
}

/* Controls */
.controls { margin-top: 20px; }
.btn {
    background: transparent;
    border: 2px solid #00eaff;
    color: #00eaff;
    padding: 10px 15px;
    margin: 10px;
    font-size: 18px;
    border-radius: 50%;
    cursor: pointer;
    transition: 0.3s;
}
.btn:hover {
    background: #00eaff;
    color: #000;
    box-shadow: 0 0 15px #00eaff;
}

/* Volume */
.volume-control { margin-top: 15px; }
#volume { accent-color: #ff00d4; width: 100%; }

/* Playlist */
.playlist-title {
    text-align: center;
    color: #7bc9ff;
    margin: 15px 0 10px 0;
    font-size: 18px;
}


.playlist-wrapper {
    max-height: 300px;
    overflow-y: auto; /* vertical scroll only */
    width: 100%;
    margin: 0 auto;
    padding: 5px;
}



.playlist-wrapper::-webkit-scrollbar { width: 6px; }
.playlist-wrapper::-webkit-scrollbar-thumb { background-color: #00eaff; border-radius: 3px; }
.playlist-wrapper::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 3px; }

.playlist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    justify-items: center; /* center cards in grid */
}

/* Song card */
.song-card {
    width: 160px;
    padding: 12px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0px 0px 10px rgba(0, 247, 255, 0.1);
    cursor: pointer;
    transition: 0.25s ease;
    color: #fff;
    text-align: center;
    word-wrap: break-word;
    font-size: 13px;
}

.song-card:hover { transform: translateY(-4px); box-shadow: 0 0 15px rgba(0, 247, 255, 0.6); }

.song-title { font-size: 14px; font-weight: 600; }
.song-artist { font-size: 11px; opacity: 0.7; }

.song-card.active-song {
    box-shadow: 0px 0px 20px #00eaff, inset 0px 0px 15px #00cfff;
    border: 1px solid #00eaff;
    transform: translateY(-4px);
}

.copyright-note {
    font-size: 11px;
    color: #ccc;
    margin-top: 15px;
    opacity: 0.7;
    line-height: 1.4;
    text-align: center;
}

.error-message {
    font-size: 12px;
    color: #ff4f4f;
    margin-top: 8px;
    text-align: center;
    display: none; /* hidden until needed */
}