/* Force content-box so the player looks identical regardless of
   the page's global box-sizing (e.g. 404.html uses border-box reset) */
.player-controls-container,
.player-controls-container * {
    box-sizing: content-box;
}

.player-controls-container {
    position: fixed;
    top: 20px;
    left: 20px;
    display: flex;
    gap: 15px;
    z-index: 10000;
    animation: playerFadeIn 0.6s ease-out 0.3s forwards;
    opacity: 0;
}

.player-controls-container.player-right {
    right: 20px;
    left: auto;
}

.player-audio-control {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(12, 12, 15, 0.72);
    border-radius: 12px;
    padding: 8px;
    padding-left: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    transition: all 0.4s ease;
    overflow: hidden;
    width: 30px;
    height: 35px;
    position: relative;
}

.player-audio-control:hover,
.player-audio-control.dragging {
    width: 265px;
}

.player-audio-icon {
    font-size: 1rem;
    color: #e0e0e0;
    flex-shrink: 0;
    width: 19px;
    height: 19px;
    text-align: center;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
}

.player-audio-control:hover .player-audio-icon {
    color: white;
}

.player-volume-slider {
    display: flex;
    align-items: center;
    margin-left: 10px;
    opacity: 0;
    width: 0;
    transition: all 0.4s ease;
    position: relative;
    height: 4px;
}

.player-audio-control:hover .player-volume-slider,
.player-audio-control.dragging .player-volume-slider {
    opacity: 1;
    width: 200px;
}

.player-volume-track {
    position: relative;
    width: 100%;
    height: 4px;
    background: transparent;
    cursor: pointer;
    padding: 14px 0;
    margin: -14px 0;
}

.player-volume-track::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.player-volume-fill {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 4px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.8));
    border-radius: 3px;
    transition: width 0.1s ease;
    z-index: 1;
}

.player-audio-control.dragging .player-volume-fill {
    transition: none;
}

@keyframes playerFadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}