custom.css

:root {
    --keyboard-bg: #fafafa;
    --inactive-key-bg: #e0e0e0;
    --border-color: #e5e5e5;
    --slider-track: #393a39;
    --slider-thumb: #000000;
    --key-ratio: 1;
}

#keyboard-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.25rem;
    background: var(--keyboard-bg);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    user-select: none;
    box-sizing: border-box;
    color: #000000;  /* Add this - sets a default dark color for all text */
}

/* Make all text elements inside use the inherited color */
#keyboard-container .key-label,
#keyboard-container .note-label,
#keyboard-container .slider-label,
#keyboard-container span,
#keyboard-container h3,
#keyboard-container summary {
    color: black;
}

.keyboard {
    width: 100%;
    padding: 0.25rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

.keyboard-row {
    display: flex;
    gap: 0.125rem;
    margin-bottom: 0.125rem;
    width: 100%;
    justify-content: center;
    box-sizing: border-box;
}

.key {
    /* Smaller base size with viewport-based scaling */
    width: clamp(1.5rem, min(4vw + 0.75rem, 3rem), 3rem);
    height: clamp(1.5rem, min(4vw + 0.75rem, 3rem), 3rem);
    padding: 0.125rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    touch-action: none;
    background: white;
    flex-shrink: 0;
    box-sizing: border-box;
}

.key-label {
    font-size: clamp(0.5rem, min(1.5vw + 0.4rem, 0.875rem), 0.875rem);
    font-weight: 500;
    color: #333;
}

.note-label {
    font-size: clamp(0.4rem, min(1.25vw + 0.3rem, 0.75rem), 0.75rem);
    color: #666;
}

/* Additional reduction for very small screens */
@media (max-width: 360px) {
    .keyboard-row {
        gap: 0.1rem;
    }
    
    .key {
        width: clamp(1.25rem, 3.5vw + 0.5rem, 1.75rem);
        height: clamp(1.25rem, 3.5vw + 0.5rem, 1.75rem);
        padding: 0.1rem;
    }

    .key-label {
        font-size: clamp(0.4rem, 1.25vw + 0.35rem, 0.5rem);
    }

    .note-label {
        font-size: clamp(0.35rem, 1vw + 0.3rem, 0.45rem);
    }
}

/* Larger screens */
@media (min-width: 768px) {
    .keyboard-row {
        gap: 0.25rem;
        margin-bottom: 0.25rem;
    }

    .key {
        padding: 0.25rem;
    }
}

/* Controls section */
.controls-section {
    margin: 0.5rem 0;
    width: 100%;
    box-sizing: border-box;
}

.controls-section details {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem;
}

.controls-section summary {
    cursor: pointer;
    padding: 0.5rem;
}

.controls-section summary h3 {
    display: inline;
    margin: 0;
}

.controls-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.control-group {
    margin: 0.5rem 0;
}

.control-group.half-width {
    flex: 1;
}

/* Slider styles */
.control-slider {
    width: 100%;
    height: 44px;
    padding: 14px 0;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
}

.control-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 28px;
    height: 28px;
    background: var(--slider-thumb);
    border-radius: 50%;
    cursor: pointer;
    margin-top: -14px;
}

.control-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    background: var(--slider-track);
    border-radius: 2px;
}


/* Media Queries */
@media (min-width: 768px) {
    .key {
        width: 3.5rem;
        height: 3.5rem;
    }
    
    .key-label {
        font-size: 1rem;
    }
    
    .note-label {
        font-size: 0.75rem;
    }
    
    .controls-row {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .key {
        width: 4rem;
        height: 4rem;
    }
}

/* Ensure proper box-sizing everywhere */
*, *::before, *::after {
    box-sizing: border-box;
}

.loader {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    z-index: 1000;
}

.loader.active {
    background-color: #30b275;
    border: 1px solid #00ff22;
    color: #00ffae;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.loader.inactive {
    background-color: #e8f5e9;
    border: 1px solid #81c784;
    color: #2e7d32;
}

.loader-emoji {
    font-size: 16px;
    animation: bounce 1s infinite;
}

.loader.active .loader-emoji {
    animation: spin 1s infinite linear;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}


@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}