.bkbg-mme-app {
    box-sizing: border-box;
    padding: 24px 20px;
    font-family: system-ui, sans-serif;
}

.bkbg-mme-app h3.bkbg-mme-title {
    font-family: var(--bkbg-mme-tt-font-family, inherit);
    font-weight: var(--bkbg-mme-tt-font-weight, 700);
    font-style: var(--bkbg-mme-tt-font-style, normal);
    text-decoration: var(--bkbg-mme-tt-text-decoration, none);
    text-transform: var(--bkbg-mme-tt-text-transform, none);
    font-size: var(--bkbg-mme-tt-font-size-d, 24px);
    line-height: var(--bkbg-mme-tt-line-height-d, 1.3);
    letter-spacing: var(--bkbg-mme-tt-letter-spacing-d, normal);
    word-spacing: var(--bkbg-mme-tt-word-spacing-d, normal);
    text-align: center;
    margin: 0 0 4px;
}

.bkbg-mme-subtitle {
    font-family: var(--bkbg-mme-st-font-family, inherit);
    font-weight: var(--bkbg-mme-st-font-weight, 400);
    font-style: var(--bkbg-mme-st-font-style, normal);
    text-decoration: var(--bkbg-mme-st-text-decoration, none);
    text-transform: var(--bkbg-mme-st-text-transform, none);
    font-size: var(--bkbg-mme-st-font-size-d, 14px);
    line-height: var(--bkbg-mme-st-line-height-d, 1.3);
    letter-spacing: var(--bkbg-mme-st-letter-spacing-d, normal);
    word-spacing: var(--bkbg-mme-st-word-spacing-d, normal);
    text-align: center;
    margin: 0 0 16px;
    opacity: 0.65;
}

/* ---- Canvas wrap ---- */

.bkbg-mme-canvas-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.bkbg-mme-canvas {
    display: block;
    border-radius: 8px;
    max-width: 100%;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}

/* ---- Inputs ---- */

.bkbg-mme-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 560px;
    margin: 0 auto;
}

.bkbg-mme-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.bkbg-mme-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-width: 90px;
    opacity: 0.7;
}

.bkbg-mme-input {
    flex: 1;
    min-width: 160px;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}

.bkbg-mme-input:focus {
    border-color: var(--bkbg-mme-accent, #6366f1);
}

/* ---- Buttons ---- */

.bkbg-mme-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 4px;
}

.bkbg-mme-dl-btn,
.bkbg-mme-copy-btn,
.bkbg-mme-reset-btn {
    border: none;
    border-radius: 8px;
    padding: 9px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.15s, transform 0.1s;
}

.bkbg-mme-dl-btn:hover,
.bkbg-mme-copy-btn:hover,
.bkbg-mme-reset-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

@media (max-width: 1024px) {
    .bkbg-mme-app h3.bkbg-mme-title {
        font-size: var(--bkbg-mme-tt-font-size-t, 22px);
        line-height: var(--bkbg-mme-tt-line-height-t, 1.3);
        letter-spacing: var(--bkbg-mme-tt-letter-spacing-t, normal);
        word-spacing: var(--bkbg-mme-tt-word-spacing-t, normal);
    }
    .bkbg-mme-subtitle {
        font-size: var(--bkbg-mme-st-font-size-t, 13px);
        line-height: var(--bkbg-mme-st-line-height-t, 1.3);
        letter-spacing: var(--bkbg-mme-st-letter-spacing-t, normal);
        word-spacing: var(--bkbg-mme-st-word-spacing-t, normal);
    }
}

@media (max-width: 767px) {
    .bkbg-mme-app h3.bkbg-mme-title {
        font-size: var(--bkbg-mme-tt-font-size-m, 20px);
        line-height: var(--bkbg-mme-tt-line-height-m, 1.2);
        letter-spacing: var(--bkbg-mme-tt-letter-spacing-m, normal);
        word-spacing: var(--bkbg-mme-tt-word-spacing-m, normal);
    }
    .bkbg-mme-subtitle {
        font-size: var(--bkbg-mme-st-font-size-m, 12px);
        line-height: var(--bkbg-mme-st-line-height-m, 1.3);
        letter-spacing: var(--bkbg-mme-st-letter-spacing-m, normal);
        word-spacing: var(--bkbg-mme-st-word-spacing-m, normal);
    }
}

@media (max-width: 480px) {
    .bkbg-mme-app { padding: 16px 10px; }
    .bkbg-mme-label { min-width: 70px; }
}