.item-thumbnail.zca-has-audio {
    position: relative;
}

.zca-cover-play-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    color: #333;
    cursor: pointer;
    z-index: 9;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(5px);
}

.zca-cover-play-btn:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: scale(1.1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.5);
}

.zca-cover-play-btn.is-playing {
    background: rgba(20, 176, 111, 0.9);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 6px rgba(20, 176, 111, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.zca-cover-play-btn.is-playing:hover {
    background: rgba(20, 176, 111, 0.95);
    box-shadow: 0 4px 10px rgba(20, 176, 111, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.zca-cover-play-icon {
    display: block;
    width: 0;
    height: 0;
    margin-left: 1.5px;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 6px solid currentColor;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.zca-cover-play-btn:hover .zca-cover-play-icon {
    transform: scale(1.1);
}

.zca-cover-play-btn.is-playing .zca-cover-play-icon {
    border-left: 0;
    width: 7px;
    height: 8px;
    margin-left: 0;
    position: relative;
    transform: scale(1);
}

.zca-cover-play-btn.is-playing .zca-cover-play-icon::before,
.zca-cover-play-btn.is-playing .zca-cover-play-icon::after {
    content: '';
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: currentColor;
    border-radius: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.zca-cover-play-btn.is-playing .zca-cover-play-icon::before {
    left: 0;
}

.zca-cover-play-btn.is-playing .zca-cover-play-icon::after {
    right: 0;
}

.zca-cover-play-btn:active {
    transform: scale(0.95);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08), inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.dark-theme .zca-cover-play-btn {
    background: rgba(30, 30, 30, 0.85);
    color: #e5eef7;
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.dark-theme .zca-cover-play-btn:hover {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.dark-theme .zca-cover-play-btn.is-playing {
    background: rgba(20, 176, 111, 0.85);
    box-shadow: 0 2px 6px rgba(20, 176, 111, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.dark-theme .zca-cover-play-btn.is-playing:hover {
    background: rgba(20, 176, 111, 0.95);
    box-shadow: 0 4px 10px rgba(20, 176, 111, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.zca-floating-player {
    position: fixed;
    right: 16px;
    bottom: 18px;
    width: 340px;
    max-width: calc(100vw - 24px);
    padding: 10px 12px 12px;
    border-radius: 12px;
    background: var(--main-bg-color, #fff);
    color: var(--main-color, #333);
    border: 1px solid var(--main-border-color, rgba(50, 50, 50, 0.08));
    box-shadow: 0 10px 28px var(--main-shadow, rgba(0, 0, 0, 0.2));
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.zca-floating-player.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.zca-player-head {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    line-height: 1.35;
}

.zca-player-title {
    flex: 1;
    font-size: 13px;
    font-weight: 600;
    color: var(--main-color, #212529);
    margin-right: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.zca-player-link {
    font-size: 12px;
    text-decoration: none;
    margin-right: 6px;
    color: var(--focus-color, #1f7cff);
}

.zca-player-close {
    width: 24px;
    height: 24px;
    border: 0;
    border-radius: 999px;
    background: var(--muted-bg-color, #f0f2f5);
    color: var(--muted-color, #555);
    font-size: 16px;
    line-height: 24px;
    text-align: center;
    padding: 0;
    cursor: pointer;
}

.dark-theme .zca-floating-player {
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.42);
}

.dark-theme .zca-player-close {
    background: rgba(255, 255, 255, 0.08);
    color: var(--main-color, #e5eef7);
}

.zca-floating-player .zca-audio-el {
    width: 100%;
    height: 34px;
    border-radius: 999px;
    color-scheme: light;
    background: #f5f6f8;
}

.dark-theme .zca-floating-player .zca-audio-el {
    color-scheme: dark;
    background: #2a2d32;
}

.dark-theme .zca-floating-player .zca-audio-el::-webkit-media-controls-enclosure {
    border-radius: 999px;
}

.dark-theme .zca-floating-player .zca-audio-el::-webkit-media-controls-panel {
    background: #2a2d32;
}

.dark-theme .zca-floating-player .zca-audio-el::-webkit-media-controls-current-time-display,
.dark-theme .zca-floating-player .zca-audio-el::-webkit-media-controls-time-remaining-display {
    color: #d9dde3;
}

@media (max-width: 768px) {
    .zca-cover-play-btn {
        top: 5px;
        right: 5px;
        width: 22px;
        height: 22px;
    }

    .zca-cover-play-btn .zca-cover-play-icon {
        border-top: 3.5px solid transparent;
        border-bottom: 3.5px solid transparent;
        border-left: 5px solid currentColor;
    }

    .zca-cover-play-btn.is-playing .zca-cover-play-icon {
        width: 6px;
        height: 7px;
    }

    .zca-cover-play-btn.is-playing .zca-cover-play-icon::before,
    .zca-cover-play-btn.is-playing .zca-cover-play-icon::after {
        width: 1.8px;
    }

    .zca-floating-player {
        right: 10px;
        left: 10px;
        width: auto;
        max-width: none;
        bottom: 10px;
    }
}