:root {
    --padding: 20px;
    --background-color: #1a1a1a;
    --foreground-color: #2a2a2a;
    --highlight-color: #1db954;
    --text-color: white;
    --transition-duration: 0.3s;
    --button-hover-color: #3a3a3a;
    --text-muted-color: #999;
    --border-radius: 10px;
}

.invisible {
    display: none;
}
body {
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    font-family: 'Roboto', sans-serif;
    margin: 0;
    overflow: hidden; /* Prevent body scroll when playlist is long */
    padding-bottom: 100px;
}

.search-container {
    margin-bottom: 30px;
    position: relative;
}

.content {
    flex: 1;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    padding: var(--padding);
}

.playlist-container {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 100px; /* Ensure space for the audio player */
}

.playlist {
    background-color: var(--foreground-color);
    border-radius: var(--border-radius);
    margin: 0 auto;
    max-height: calc(100vh - 160px); /* Adjust to fit within the viewport */
    overflow-y: auto; /* Enable scrolling */
    padding: var(--padding);
}

#search {
    background-color: #333;
    border: 2px solid #333;
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-size: 16px;
    padding: 10px 10px 10px 40px;
    transition: all 0.3s ease;
    width: calc(100% - 50px);
}

.search-icon {
    left: 10px;
    pointer-events: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

#search::placeholder {
    color: var(--text-muted-color);
}


#search:focus {
    background-color: #333;
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 2px rgba(29, 185, 84, 0.3);
    outline: none;
}

.playlist h1 {
    color: var(--highlight-color);
    margin-top: 0;
}

.album {
    background-color: #1f1f1f;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}

.album-header {
    align-items: center;
    background-color: var(--foreground-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    padding: 10px;
    transition: background-color var(--transition-duration) ease, transform var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

.album-header:hover {
    background-color: var(--button-hover-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.album-header img {
    border-radius: 5px;
    height: 50px;
    margin-right: 10px;
    width: 50px;
    object-fit: cover;
}

.album-header h4 {
    color: var(--text-color);
    margin: 0;
}

.songs {
    display: none;
    padding: 10px;
}

.playlist-item {
    align-items: center;
    background-color: #1f1f1f;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    margin-bottom: 10px;
    padding: 10px;
    transition: background-color var(--transition-duration) ease, transform var(--transition-duration) ease;
}

.playlist-item:hover {
    background-color: var(--foreground-color);
    transform: scale(1.02);
}

.playlist-item.active {
    background-color: var(--foreground-color);
    border-left: 4px solid var(--highlight-color);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    color: var(--highlight-color);
}

.playlist-item.active::before {
    color: var(--highlight-color);
    font-size: 16px;
    left: 10px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}


.playlist-item .info {
    flex-grow: 1;
}

.playlist-item .info h4 {
    margin: 0;
}

.playlist-item .info p {
    color: var(--text-muted-color);
    margin: 0;
}

.audio-player {
    align-items: center;
    background-color: var(--foreground-color);
    border-radius: var(--border-radius);
    bottom: 0;
    display: flex;
    left: 0;
    margin: 0;
    padding: var(--padding);
    position: fixed;
    right: 0;
    transition: all var(--transition-duration) ease;
    width: 100%;
    z-index: 1;
}

.audio-player img {
    border-radius: 5px;
    height: 60px;
    width: 60px;
    object-fit: cover;
}

.info {
    flex-basis: 20%;
    flex-grow: 0;
    flex-shrink: 0;
    margin-left: var(--padding);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.info h4, .info p {
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.controls {
    align-items: center;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    margin-left: var(--padding);
    margin-right: var(--padding);
}

.controls .buttons .volume-control .button {
    display: flex;
    margin-bottom: 10px;
}


.controls button, .volume-control button {
    background: none;
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    margin: 0 5px;
    padding: 10px;
    transition: color 0.3s ease, background-color 0.3s ease, transform 0.2s ease;
}

.controls button:hover,
.volume-control button:hover {
    background-color: var(--button-hover-color);
    color: var(--highlight-color);
    outline: none;
    transform: scale(1.1);
}

button svg {
    pointer-events: none;
}

.controls button:active,
.volume-control button:active {
    transform: scale(0.95);
}

#favorite:hover .heart {
    fill: #ff6b6b;
}

#favorite.hearted:hover .heart {
    fill: #ff4757;
}

.controls button:hover,
.volume-control button:hover {
    background-color: var(--button-hover-color);
    outline: none;
}

.controls button svg, .volume-control button svg {
    fill: currentColor;
    height: 24px;
    width: 24px;
}

.progress-bar {
    align-items: center;
    display: flex;
    width: 100%;
}

.progress-bar span {
    margin: 0 10px;
}

.progress-bar input[type="range"] {
    -webkit-appearance: none;
    background: #555;
    border-radius: 5px;
    cursor: pointer;
    height: 5px;
    width: 100%;
}

.progress-bar input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    background: var(--highlight-color);
    border-radius: 50%;
    height: 15px;
    width: 15px;
}

.volume-control {
    align-items: center;
    display: flex;
    flex-basis: 20%;
    flex-grow: 0;
    flex-shrink: 0;
    margin-left: 10px;
    margin-right: 50px;
}

.volume-control input[type="range"] {
    -webkit-appearance: none;
    background: #555;
    border-radius: 5px;
    cursor: pointer;
    height: 5px;
    width: 100%;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    background: var(--highlight-color);
    border-radius: 50%;
    height: 15px;
    width: 15px;
}

#favorite svg {
    transition: fill 0.3s ease;
}


#favorite.hearted svg {
    animation: heartAnimation 0.6s forwards;
}

@keyframes heartAnimation {
    0% {
        transform: scale(1);
        fill: #e8eaed;
    }
    50% {
        transform: scale(1.2);
        fill: #ff0000;
    }
    100% {
        transform: scale(1);
        fill: #ff0000;
    }
}


@media (max-width: 778px) {
    body {
        padding-bottom: 150px; /* Increase padding to accommodate larger audio player on mobile */
    }

    .playlist-container {
        padding-bottom: 150px; /* Increase padding to match body padding */
    }

    .playlist {
        max-height: calc(100vh - 210px); /* Adjust for mobile view */
    }

    .audio-player {
        height: auto; /* Allow height to adjust based on content */
        max-height: 150px; /* Set a maximum height */
    }

    .album {
        margin-bottom: 5px;
    }

    .audio-player {
        flex-direction: column;
        padding: 10px 0;
    }

    .audio-player img {
        display: none;
    }

    .info h4 {
        margin: 5px 0;
    }

    .info p {
        color: #b0b0b0;
        font-size: 14px;
        margin: 5px 0;
    }

    .controls {
        padding: 10px 0;
        width: 100%;
    }

    .buttons {
        align-items: center;
        display: flex;
        justify-content: space-around;
    }

    .progress-bar {
        justify-content: space-between;
        margin: 10px auto;
        width: 90%;
    }

    .progress-bar input[type="range"] {
        background: #b0b0b0;
        width: 80%;
    }

    .volume-control {
        display: none;
        justify-content: center;
    }

    .album-header {
        padding: 5px;
    }

    .playlist-item {
        margin-bottom: 2px;
        padding: 5px;
    }

    #search {
        font-size: 14px;
    }

    .album-header h4,
    .playlist-item .info h4 {
        font-size: 14px;
    }

    .album-header img,
    .playlist-item img {
        height: 40px;
        width: 40px;
    }
}