.music-notation-widget {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #222;
    background-color: rgba(255, 255, 255, 0.85);
    border-radius: 8px;
    padding: 12px;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.music-notation-widget * {
    box-sizing: border-box;
}

.music-notation-widget .mn-control-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}

.music-notation-widget .mn-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: inherit;
}

.music-notation-widget .mn-btn {
    appearance: none;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.02);
    color: #222;
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.music-notation-widget .mn-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.3);
}

.music-notation-widget .mn-btn:active {
    background: rgba(0, 0, 0, 0.08);
}

.music-notation-widget .mn-staff-wrapper {
    width: 100%;
}

.music-notation-widget .mn-staff-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.music-notation-widget .mn-staff-line {
    width: 100%;
    min-height: 120px;
}

.music-notation-widget .mn-staff-line svg {
    width: 100%;
    height: auto;
}

.music-notation-widget .mn-input-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.music-notation-widget .mn-keyboard-input {
    width: 100%;
    padding: 6px 8px;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.02);
    color: #222;
    font-size: 0.9rem;
}

.music-notation-widget .mn-keyboard-input:focus {
    outline: none;
    border-color: rgba(0, 0, 0, 0.5);
}

.music-notation-widget .mn-hint-label {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Mobile/on-screen keyboard */

.music-notation-widget .mn-mobile-kb {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 6px;
}

.music-notation-widget .mn-kb-row {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.music-notation-widget .mn-kb-btn {
    flex: 0 0 auto;
    min-width: 32px;
    padding: 4px 6px;
    font-size: 0.8rem;
    text-align: center;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.02);
    cursor: pointer;
    user-select: none;
}

.music-notation-widget .mn-kb-btn:active {
    background: rgba(0, 0, 0, 0.08);
}

.music-notation-widget .mn-kb-btn.wide {
    min-width: 52px;
}

/* Small screens */

@media (max-width: 480px) {
    .music-notation-widget {
        padding: 10px;
        gap: 6px;
    }

    .music-notation-widget .mn-control-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .music-notation-widget .mn-label {
        font-size: 0.9rem;
    }

    .music-notation-widget .mn-btn {
        font-size: 0.85rem;
        padding: 5px 8px;
    }

    .music-notation-widget .mn-keyboard-input {
        font-size: 0.85rem;
        padding: 5px 7px;
    }

    .music-notation-widget .mn-staff-line {
        min-height: 110px;
    }

    .music-notation-widget .mn-kb-btn {
        font-size: 0.75rem;
        min-width: 28px;
        padding: 3px 5px;
    }
}