/* ============================================================
   Pie Chart — style.css
   Prefix: bkbg-piec-
   ============================================================ */

.bkbg-piec-wrap {
    box-sizing: border-box;
    width: 100%;
    background: var(--bkbg-piec-bg, #ffffff);
    border-radius: var(--bkbg-piec-radius, 16px);
    padding: var(--bkbg-piec-pt, 48px) 24px var(--bkbg-piec-pb, 48px);
}

.bkbg-piec-title {
    margin: 0 0 8px;
    font-family: var(--bkbg-piec-tt-font-family, inherit);
    font-size: var(--bkbg-piec-tt-font-size-d, 24px);
    font-weight: var(--bkbg-piec-tt-font-weight, 700);
    font-style: var(--bkbg-piec-tt-font-style, normal);
    text-decoration: var(--bkbg-piec-tt-text-decoration, none);
    text-transform: var(--bkbg-piec-tt-text-transform, none);
    color: var(--bkbg-piec-title-c, #0f172a);
    letter-spacing: var(--bkbg-piec-tt-letter-spacing-d, -.02em);
    line-height: var(--bkbg-piec-tt-line-height-d, 1.2);
    word-spacing: var(--bkbg-piec-tt-word-spacing-d, normal);
}

.bkbg-piec-wrap h3.bkbg-piec-title,
.bkbg-piec-wrap .bkbg-piec-title {
    font-family: var(--bkbg-piec-tt-font-family, inherit);
    font-size: var(--bkbg-piec-tt-font-size-d, 24px);
    font-weight: var(--bkbg-piec-tt-font-weight, 700);
    font-style: var(--bkbg-piec-tt-font-style, normal);
    text-decoration: var(--bkbg-piec-tt-text-decoration, none);
    text-transform: var(--bkbg-piec-tt-text-transform, none);
    line-height: var(--bkbg-piec-tt-line-height-d, 1.2);
    letter-spacing: var(--bkbg-piec-tt-letter-spacing-d, -.02em);
    word-spacing: var(--bkbg-piec-tt-word-spacing-d, normal);
}

.bkbg-piec-subtitle {
    margin: 0 0 32px;
    font-family: var(--bkbg-piec-st-font-family, inherit);
    font-size: var(--bkbg-piec-st-font-size-d, 15px);
    font-weight: var(--bkbg-piec-st-font-weight, 400);
    font-style: var(--bkbg-piec-st-font-style, normal);
    text-decoration: var(--bkbg-piec-st-text-decoration, none);
    text-transform: var(--bkbg-piec-st-text-transform, none);
    color: var(--bkbg-piec-sub-c, #64748b);
    line-height: var(--bkbg-piec-st-line-height-d, 1.5);
    letter-spacing: var(--bkbg-piec-st-letter-spacing-d, normal);
    word-spacing: var(--bkbg-piec-st-word-spacing-d, normal);
}

.bkbg-piec-title-align--center .bkbg-piec-title,
.bkbg-piec-title-align--center .bkbg-piec-subtitle { text-align: center; }

.bkbg-piec-title-align--right .bkbg-piec-title,
.bkbg-piec-title-align--right .bkbg-piec-subtitle { text-align: right; }

/* ---- Chart row ---- */
.bkbg-piec-chart-row {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.bkbg-piec-title-align--center .bkbg-piec-chart-row { justify-content: center; }

.bkbg-piec-svg { flex-shrink: 0; display: block; }

/* Layout positions for legend */
.bkbg-piec-legend-pos--bottom { flex-direction: column; }
.bkbg-piec-legend-pos--top    { flex-direction: column-reverse; }
.bkbg-piec-legend-pos--left   { flex-direction: row-reverse; }
.bkbg-piec-legend-pos--right  { flex-direction: row; }

/* stacked layout */
.bkbg-piec-layout--stacked .bkbg-piec-chart-row { flex-direction: column; }
.bkbg-piec-layout--stacked .bkbg-piec-svg { margin: 0 auto; }

/* ---- Legend ---- */
.bkbg-piec-legend {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bkbg-piec-legend-pos--bottom .bkbg-piec-legend,
.bkbg-piec-legend-pos--top    .bkbg-piec-legend {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 24px;
    justify-content: center;
}

.bkbg-piec-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bkbg-piec-legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

.bkbg-piec-legend-label {
    font-family: var(--bkbg-piec-lg-font-family, inherit);
    font-size: var(--bkbg-piec-lg-font-size-d, 14px);
    font-weight: var(--bkbg-piec-lg-font-weight, 400);
    font-style: var(--bkbg-piec-lg-font-style, normal);
    text-decoration: var(--bkbg-piec-lg-text-decoration, none);
    text-transform: var(--bkbg-piec-lg-text-transform, none);
    color: var(--bkbg-piec-legend-c, #374151);
    line-height: var(--bkbg-piec-lg-line-height-d, 1.3);
    letter-spacing: var(--bkbg-piec-lg-letter-spacing-d, normal);
    word-spacing: var(--bkbg-piec-lg-word-spacing-d, normal);
}

/* Responsive — typography */
@media (max-width: 1024px) {
    .bkbg-piec-wrap .bkbg-piec-title {
        font-size: var(--bkbg-piec-tt-font-size-t, var(--bkbg-piec-tt-font-size-d, 24px));
        line-height: var(--bkbg-piec-tt-line-height-t, var(--bkbg-piec-tt-line-height-d, 1.2));
        letter-spacing: var(--bkbg-piec-tt-letter-spacing-t, var(--bkbg-piec-tt-letter-spacing-d, -.02em));
        word-spacing: var(--bkbg-piec-tt-word-spacing-t, var(--bkbg-piec-tt-word-spacing-d, normal));
    }
    .bkbg-piec-subtitle {
        font-size: var(--bkbg-piec-st-font-size-t, var(--bkbg-piec-st-font-size-d, 15px));
        line-height: var(--bkbg-piec-st-line-height-t, var(--bkbg-piec-st-line-height-d, 1.5));
        letter-spacing: var(--bkbg-piec-st-letter-spacing-t, var(--bkbg-piec-st-letter-spacing-d, normal));
        word-spacing: var(--bkbg-piec-st-word-spacing-t, var(--bkbg-piec-st-word-spacing-d, normal));
    }
    .bkbg-piec-legend-label {
        font-size: var(--bkbg-piec-lg-font-size-t, var(--bkbg-piec-lg-font-size-d, 14px));
        line-height: var(--bkbg-piec-lg-line-height-t, var(--bkbg-piec-lg-line-height-d, 1.3));
        letter-spacing: var(--bkbg-piec-lg-letter-spacing-t, var(--bkbg-piec-lg-letter-spacing-d, normal));
        word-spacing: var(--bkbg-piec-lg-word-spacing-t, var(--bkbg-piec-lg-word-spacing-d, normal));
    }
}
@media (max-width: 767px) {
    .bkbg-piec-wrap .bkbg-piec-title {
        font-size: var(--bkbg-piec-tt-font-size-m, var(--bkbg-piec-tt-font-size-t, var(--bkbg-piec-tt-font-size-d, 24px)));
        line-height: var(--bkbg-piec-tt-line-height-m, var(--bkbg-piec-tt-line-height-t, var(--bkbg-piec-tt-line-height-d, 1.2)));
        letter-spacing: var(--bkbg-piec-tt-letter-spacing-m, var(--bkbg-piec-tt-letter-spacing-t, var(--bkbg-piec-tt-letter-spacing-d, -.02em)));
        word-spacing: var(--bkbg-piec-tt-word-spacing-m, var(--bkbg-piec-tt-word-spacing-t, var(--bkbg-piec-tt-word-spacing-d, normal)));
    }
    .bkbg-piec-subtitle {
        font-size: var(--bkbg-piec-st-font-size-m, var(--bkbg-piec-st-font-size-t, var(--bkbg-piec-st-font-size-d, 15px)));
        line-height: var(--bkbg-piec-st-line-height-m, var(--bkbg-piec-st-line-height-t, var(--bkbg-piec-st-line-height-d, 1.5)));
        letter-spacing: var(--bkbg-piec-st-letter-spacing-m, var(--bkbg-piec-st-letter-spacing-t, var(--bkbg-piec-st-letter-spacing-d, normal)));
        word-spacing: var(--bkbg-piec-st-word-spacing-m, var(--bkbg-piec-st-word-spacing-t, var(--bkbg-piec-st-word-spacing-d, normal)));
    }
    .bkbg-piec-legend-label {
        font-size: var(--bkbg-piec-lg-font-size-m, var(--bkbg-piec-lg-font-size-t, var(--bkbg-piec-lg-font-size-d, 14px)));
        line-height: var(--bkbg-piec-lg-line-height-m, var(--bkbg-piec-lg-line-height-t, var(--bkbg-piec-lg-line-height-d, 1.3)));
        letter-spacing: var(--bkbg-piec-lg-letter-spacing-m, var(--bkbg-piec-lg-letter-spacing-t, var(--bkbg-piec-lg-letter-spacing-d, normal)));
        word-spacing: var(--bkbg-piec-lg-word-spacing-m, var(--bkbg-piec-lg-word-spacing-t, var(--bkbg-piec-lg-word-spacing-d, normal)));
    }
}

/* Responsive — layout */
@media (max-width: 600px) {
    .bkbg-piec-chart-row { flex-direction: column; align-items: center; }
    .bkbg-piec-legend { flex-direction: row; flex-wrap: wrap; gap: 10px 20px; justify-content: center; }
}