:root {
    --music-player-size: 64px;
    --music-player-panel-width: 360px;
    --music-player-theme: #ff4081;
    --music-player-bg: rgba(18, 18, 18, 0.96);
    --music-player-text: #fff;
    --music-player-text-secondary: rgba(255, 255, 255, 0.65);
    --music-player-bg-lyrics-line-height: 30px;
}

/* Light Mode Overrides */
@media (prefers-color-scheme: light) {
    :root {
        --music-player-bg: rgba(255, 255, 255, 0.96);
        --music-player-text: #333;
        --music-player-text-secondary: rgba(0, 0, 0, 0.65);
    }
}

/* Mini Player (Bottom Left) */
.music-player__mini {
    position: fixed;
    left: 16px;
    bottom: 16px;
    width: var(--music-player-size);
    height: var(--music-player-size);
    border-radius: 50%;
    /* overflow: hidden; Removed to allow SVG progress ring outside/around if needed, but inner content should be clipped */
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    z-index: 100;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--music-player-bg);
    transition: transform .18s ease;
}

.music-player__mini:active {
    transform: scale(.98);
}

.music-player__mini-cover {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: block;
    position: absolute;
    inset: 0;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Progress Ring - Outside the circle */
.music-player__progress-ring {
    position: absolute;
    top: -8px;
    left: -8px;
    width: calc(100% + 16px);
    height: calc(100% + 16px);
    pointer-events: none;
    transform: rotate(-90deg);
    z-index: 1;
}

.music-player__progress-ring circle {
    transition: stroke-dashoffset 0.35s;
    transform-origin: 50% 50%;
}

.music-player__mini-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 2;
}

/* Replaced button with a status indicator div */
.music-player__mini-status {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    transition: background .18s;
    pointer-events: none; /* Let clicks pass through to container */
}

/* Panel Container */
.music-player__panel {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    box-sizing: border-box;
}

.music-player__panel * {
    box-sizing: border-box;
}

.music-player__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: opacity .25s;
    pointer-events: none;
    display: none; /* Hide by default for PC */
}

.music-player__content {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--music-player-panel-width);
    transform: translateX(-100%);
    transition: transform .28s cubic-bezier(.2, .9, .2, 1);
    pointer-events: auto;
    background: var(--music-player-bg);
    color: var(--music-player-text);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 24px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    overflow-x: hidden;
}

/* Open State */
.music-player__panel--open .music-player__backdrop {
    opacity: 1;
    pointer-events: auto;
}

.music-player__panel--open .music-player__content {
    transform: translateX(0);
}

/* Panel Header */
.music-player__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(128, 128, 128, 0.1);
}

.music-player__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.music-player__title {
    font-size: 16px;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}

.music-player__artist {
    font-size: 12px;
    color: var(--music-player-text-secondary);
}

.music-player__close-btn {
    background: transparent;
    border: none;
    color: var(--music-player-text);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.music-player__close-btn:hover {
    background: rgba(128,128,128,0.1);
}

/* Panel Main */
.music-player__main {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%; /* Ensure width is constrained */
}

.music-player__cover-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
}

.music-player__cover {
    width: 180px;
    height: 180px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Rotating Animation */
@keyframes music-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.music-player__cover--rotating {
    animation: music-spin 20s linear infinite;
    border-radius: 50%; 
}

/* Controls */
.music-player__controls {
    width: 100%;
    max-width: 100%; /* Prevent overflow */
    padding: 0 8px;
}

.music-player__progress {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.music-player__time {
    font-size: 12px;
    color: var(--music-player-text-secondary);
    width: 40px;
    text-align: center;
    font-feature-settings: "tnum";
}

.music-player__seek {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: rgba(128,128,128,0.2);
    position: relative;
    cursor: pointer;
    appearance: none;
}

.music-player__seek::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--music-player-theme);
    cursor: pointer;
    transition: transform 0.1s;
}

.music-player__seek::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Buttons */
.music-player__btn-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    margin-bottom: 16px;
}

.music-player__btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(128,128,128,0.1);
    border: 0;
    color: var(--music-player-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 20px;
}

.music-player__btn--main {
    width: 64px;
    height: 64px;
    background: var(--music-player-theme);
    color: #fff;
    font-size: 28px;
    box-shadow: 0 4px 12px rgba(255, 64, 129, 0.3);
}

.music-player__btn:hover:not(.music-player__btn--main) {
    background: rgba(128,128,128,0.2);
}

.music-player__btn--main:hover {
    transform: scale(1.05);
}

.music-player__extra-controls {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: center;
}

.music-player__text-btn {
    background: transparent;
    border: none;
    color: var(--music-player-text-secondary);
    font-size: 18px; /* Increased font size for icons */
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
}

.music-player__text-btn:hover,
.music-player__text-btn--active {
    color: var(--music-player-theme);
    background: rgba(128,128,128,0.05);
}

/* Playlist */
.music-player__list {
    max-height: 0;
    overflow-y: auto;
    transition: max-height 0.3s ease;
    border-top: 1px solid rgba(128,128,128,0.1);
    background: rgba(0,0,0,0.02);
}

.music-player__list--visible {
    max-height: 40vh;
    padding: 8px 0;
}

.music-player__item {
    display: flex;
    align-items: center; /* Center items vertically */
    justify-content: flex-start; /* Align content to start */
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    border-left: 3px solid transparent;
}

.music-player__item:hover {
    background: rgba(128,128,128,0.1);
}

.music-player__item--active {
    background: rgba(128,128,128,0.1);
    border-left-color: var(--music-player-theme);
}

.music-player__item--active .music-player__item-index,
.music-player__item--active .music-player__item-title {
    color: var(--music-player-theme);
    font-weight: 600;
}

.music-player__item-index {
    width: 24px;
    text-align: center;
    margin-right: 12px;
    font-size: 14px;
    color: var(--music-player-text-secondary);
    font-feature-settings: "tnum";
}

.music-player__item-meta {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1; /* Take remaining space */
}

.music-player__item-title {
    font-size: 14px;
    color: var(--music-player-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s;
}

.music-player__item-artist {
    font-size: 12px;
    color: var(--music-player-text-secondary);
}

/* Lyrics Area */
.music-player__lyrics {
    text-align: center;
    height: 180px; /* Match cover height */
    overflow: hidden;
    mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
    margin-top: 10px;
    width: 100%;
    user-select: none; /* Prevent selection */
    cursor: default;
}

.music-player__lyrics-inner {
    transition: transform 0.3s ease-out;
}

.music-player__lyric-line {
    padding: 6px 0;
    font-size: 14px;
    color: var(--music-player-text-secondary);
    transition: all 0.3s;
    min-height: 24px;
}

.music-player__lyric-line--current {
    color: var(--music-player-theme);
    font-size: 16px;
    font-weight: bold;
    transform: scale(1.05);
}

/* Background Lyrics - Bottom Center, 2 lines only */
.music-player__bg-lyrics {
    position: fixed;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    text-align: center;
    pointer-events: none;
    z-index: 98;
    opacity: 0;
    transition: opacity 0.3s ease;
    user-select: none;
    cursor: default;
    height: calc(var(--music-player-bg-lyrics-line-height) * 2);
    overflow: hidden;
    /* Removed mask-image to ensure full visibility of the two lines */
}

.music-player__bg-lyrics--visible {
    opacity: 1;
}

.music-player__bg-lyrics-inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
}

.music-player__bg-lyrics .music-player__lyric-line {
    padding: 0;
    font-size: 20px;
    color: var(--music-player-text-secondary);
    transition: all 0.5s;
    min-height: var(--music-player-bg-lyrics-line-height);
    line-height: var(--music-player-bg-lyrics-line-height);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    opacity: 0.6;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.music-player__bg-lyrics .music-player__lyric-line--current {
    color: var(--music-player-theme);
    font-size: 24px;
    font-weight: bold;
    opacity: 1;
    text-shadow: 0 4px 12px rgba(255, 64, 129, 0.6);
    transform: scale(1.05);
}

/* Mobile Styles */
@media (max-width: 768px) {
    :root {
        --music-player-size: 64px;
        --music-player-bg-lyrics-line-height: 24px;
    }

    .music-player__content {
        width: 100%;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        transform: translateY(100%);
        border-radius: 0;
    }
    
    .music-player__backdrop {
        display: block; /* Show backdrop on mobile */
    }

    .music-player__panel--open .music-player__content {
        transform: translateY(0);
    }

    .music-player__cover {
        width: 260px;
        height: 260px;
        border-radius: 50%;
        margin: 20px 0;
    }

    /* Match cover height on mobile */
    .music-player__lyrics {
        height: 260px;
    }

    .music-player__list--visible {
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        max-height: none;
        z-index: 20;
        background: var(--music-player-bg);
        display: flex;
        flex-direction: column;
    }

    /* Background lyrics on mobile */
    .music-player__bg-lyrics {
        bottom: 100px;
        max-width: 90%;
        padding: 0 20px;
    }

    .music-player__bg-lyrics .music-player__lyric-line {
        font-size: 16px;
        padding: 0;
    }

    .music-player__bg-lyrics .music-player__lyric-line--current {
        font-size: 20px;
    }
    /* Mobile List Close Button */
    .music-player__list-close-mobile {
        display: none; /* Flex on JS toggle */
        justify-content: center;
        align-items: center;
        padding: 12px;
        cursor: pointer;
        color: var(--music-player-text-secondary);
        border-bottom: 1px solid rgba(128, 128, 128, 0.1);
        background: var(--music-player-bg);
        font-size: 20px;
        transition: color 0.2s;
    }

    .music-player__list-close-mobile:hover {
        color: var(--music-player-theme);
    }
}

@media (min-width: 769px) {
    .music-player__content {
        border-top-right-radius: 12px;
        border-bottom-right-radius: 12px;
    }

    .music-player__main {
        flex: 0 0 auto;
        overflow-y: visible;
    }

    .music-player__list {
        flex: 1;
        max-height: none;
        overflow-y: auto;
        display: block;
    }

    /* Hide list toggle button on PC */
    #mp-list-toggle {
        display: none;
    }
}