.hidden-music {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-in-out;
}

.hidden-music.revealed {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.fatality-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: rgba(255, 0, 0, 0.9);
    color: white;
    padding: 20px 30px;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 24px;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.fatality-indicator.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* Custom Audio Controls */
.custom-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 15px 0;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.play-btn {
    background: rgb(0 0 0 / 80%);
    color: burlywood;
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.play-btn i {
    font-size: 30px;
    transition: transform 0.3s ease;
}

.play-btn.playing i {
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.play-btn:hover {
    background: rgb(0 0 0 / 90%);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.progress-container {
    flex: 1;
    position: relative;
    min-height: 20px;
    display: flex;
    align-items: center;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: burlywood;
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s ease;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.seek-slider {
    width: 100%;
    height: 6px;
    background: burlywood;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    z-index: 2;
    border-radius: 3px;
}

.seek-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: rgb(0 0 0 / 80%);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: 2px solid burlywood;
}

.seek-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: rgb(0 0 0 / 80%);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid burlywood;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.seek-slider::-webkit-slider-track {
    background: burlywood;
    border-radius: 3px;
    height: 6px;
}

.seek-slider::-moz-range-track {
    background: burlywood;
    border-radius: 3px;
    height: 6px;
    border: none;
}

/* Master Volume Control */
.master-volume-container {
    position: fixed;
    top: 140px;
    left: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    width: 300px;
    max-width: 300px;
    cursor: pointer;
    overflow: hidden;
}

.volume-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: burlywood;
    border-radius: 10px;
    width: 100%;
    transition: width 0.1s ease;
    z-index: 1;
}

.master-volume-control {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #000 !important;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.master-volume-control i {
    color: #000 !important;
}

.master-volume-control span {
    color: #000 !important;
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
    .master-volume-container {
        top: auto;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: 250px;
        max-width: 250px;
        padding: 10px;
    }

    .master-volume-control {
        gap: 10px;
    }

    .master-volume-control span {
        min-width: 80px;
        font-size: 14px;
        color: #000 !important;
    }

    .master-volume-control i {
        font-size: 16px;
        color: #000 !important;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .master-volume-container {
        width: 180px;
        max-width: 180px;
        padding: 8px;
    }

    .master-volume-control span {
        min-width: 50px;
        font-size: 11px;
        color: #000 !important;
    }

    .master-volume-slider {
        width: 80px;
    }
}

/* Very small screens (Samsung smartphones) */
@media (max-width: 360px) {
    .master-volume-container {
        width: 120px;
        max-width: 120px;
        padding: 6px;
    }

    .master-volume-control span {
        min-width: 130px;
        max-width: 130px;
        font-size: 9px;
        color: #000 !important;
    }

    .master-volume-slider {
        width: 40px;
        max-width: 40px;
    }

    .master-volume-slider::-webkit-slider-thumb {
        width: 16px;
        height: 24px;
        background: #FFD700;
        border-radius: 12px;
    }

    .master-volume-slider::-moz-range-thumb {
        width: 16px;
        height: 24px;
        background: #FFD700;
        border-radius: 12px;
    }

    .master-volume-control i {
        font-size: 12px;
        color: #000 !important;
    }
}

/* Force narrow width for all mobile devices */
@media (max-width: 480px) {
    .master-volume-container {
        max-width: 150px !important;
        width: 150px !important;
    }
}

.master-volume-control {
    display: flex;
    align-items: center;
    gap: 15px;
    color: burlywood;
}

.master-volume-control i {
    font-size: 20px;
    color: burlywood;
}

.master-volume-control span {
    font-weight: 500;
    color: burlywood;
    min-width: 120px;
}

.master-volume-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    border-radius: 10px;
    z-index: 2;
    opacity: 0;
}

.master-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 32px;
    background: #FFD700;
    border-radius: 16px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: none;
}

.master-volume-slider::-moz-range-thumb {
    width: 20px;
    height: 32px;
    background: #FFD700;
    border-radius: 16px;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.master-volume-slider::-webkit-slider-track {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    height: 6px;
}

.master-volume-slider::-moz-range-track {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    height: 6px;
    border: none;
}