.bkbg-lig-app {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}
.bkbg-lig-card {
    margin: 0 auto;
    padding: 36px 32px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.08);
}
.bkbg-lig-title {
    text-align: center;
    font-family:     var(--bkbg-lig-tt-font-family, inherit);
    font-size:       var(--bkbg-lig-tt-font-size-d, 26px);
    font-weight:     var(--bkbg-lig-tt-font-weight, 800);
    font-style:      var(--bkbg-lig-tt-font-style, normal);
    line-height:     var(--bkbg-lig-tt-line-height-d, 1.2);
    letter-spacing:  var(--bkbg-lig-tt-letter-spacing-d, normal);
    word-spacing:    var(--bkbg-lig-tt-word-spacing-d, normal);
    text-decoration: var(--bkbg-lig-tt-text-decoration, none);
    text-transform:  var(--bkbg-lig-tt-text-transform, none);
    margin-bottom: 6px;
}
.bkbg-lig-subtitle {
    text-align: center;
    font-family:     var(--bkbg-lig-st-font-family, inherit);
    font-size:       var(--bkbg-lig-st-font-size-d, 14px);
    font-weight:     var(--bkbg-lig-st-font-weight, 400);
    font-style:      var(--bkbg-lig-st-font-style, normal);
    line-height:     var(--bkbg-lig-st-line-height-d, 1.5);
    letter-spacing:  var(--bkbg-lig-st-letter-spacing-d, normal);
    word-spacing:    var(--bkbg-lig-st-word-spacing-d, normal);
    text-decoration: var(--bkbg-lig-st-text-decoration, none);
    text-transform:  var(--bkbg-lig-st-text-transform, none);
    color: #6b7280;
    margin-bottom: 24px;
}
/* Mode tabs */
.bkbg-lig-tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    border-radius: 10px;
    margin-bottom: 20px;
}
.bkbg-lig-tab {
    flex: 1;
    padding: 9px;
    font-size: 13px;
    font-weight: 700;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
}
/* Controls row */
.bkbg-lig-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
/* Count control */
.bkbg-lig-count-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 14px;
    font-weight: 600;
}
.bkbg-lig-count-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: none;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e5e7eb;
    color: #374151;
    transition: background 0.15s;
}
.bkbg-lig-count-btn:hover { background: #d1d5db; }
.bkbg-lig-count-val {
    font-size: 15px;
    font-weight: 800;
    min-width: 28px;
    text-align: center;
}
/* Buttons */
.bkbg-lig-btn {
    padding: 9px 22px;
    font-size: 13px;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.18s, transform 0.1s;
}
.bkbg-lig-btn:hover  { opacity: 0.88; transform: translateY(-1px); }
.bkbg-lig-btn:active { transform: translateY(0); }
.bkbg-lig-btn-sec {
    background: #f3f4f6;
    border: 1.5px solid #e5e7eb;
    color: #374151;
}
.bkbg-lig-btn-sec:hover { background: #e5e7eb; opacity: 1; }
/* Options row */
.bkbg-lig-opts {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.bkbg-lig-check-lbl {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    cursor: pointer;
}
.bkbg-lig-check-lbl input { cursor: pointer; }
/* Output */
.bkbg-lig-output {
    border-radius: 10px;
    padding: 18px 20px;
    font-family: var(--bkbg-lig-out-font-family, Georgia, 'Times New Roman', serif);
    font-size:       var(--bkbg-lig-out-font-size-d, 14px);
    font-weight:     var(--bkbg-lig-out-font-weight, 400);
    font-style:      var(--bkbg-lig-out-font-style, normal);
    line-height:     var(--bkbg-lig-out-line-height-d, 1.8);
    letter-spacing:  var(--bkbg-lig-out-letter-spacing-d, normal);
    word-spacing:    var(--bkbg-lig-out-word-spacing-d, normal);
    text-decoration: var(--bkbg-lig-out-text-decoration, none);
    text-transform:  var(--bkbg-lig-out-text-transform, none);
    resize: vertical;
    overflow: auto;
    white-space: pre-wrap;
    outline: none;
    border: 1.5px solid transparent;
    cursor: text;
    user-select: text;
    transition: border-color 0.15s;
}
.bkbg-lig-output:focus { border-color: #9ca3af; }
.bkbg-lig-output p { margin: 0 0 1em; }
.bkbg-lig-output p:last-child { margin-bottom: 0; }
.bkbg-lig-output ul, .bkbg-lig-output ol { margin: 0; padding-left: 1.5em; }
/* Stats row */
.bkbg-lig-stats {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    font-size: 12px;
    color: #9ca3af;
    font-weight: 600;
    flex-wrap: wrap;
}
.bkbg-lig-stats strong { color: #374151; }
/* Copy feedback */
.bkbg-lig-copied {
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 99px;
    background: #dcfce7;
    color: #16a34a;
    display: none;
    margin-left: 8px;
}
@media (max-width: 600px) {
    .bkbg-lig-card { padding: 24px 16px; }
    .bkbg-lig-tabs { flex-wrap: wrap; }
}

/* ── Responsive typography ─────────────────────────────── */
@media (max-width: 1024px) {
    .bkbg-lig-title {
        font-size: var(--bkbg-lig-tt-font-size-t, var(--bkbg-lig-tt-font-size-d, 26px));
        line-height: var(--bkbg-lig-tt-line-height-t, var(--bkbg-lig-tt-line-height-d, 1.2));
            letter-spacing: var(--bkbg-lig-tt-letter-spacing-t, var(--bkbg-lig-tt-letter-spacing-d, normal));
            word-spacing: var(--bkbg-lig-tt-word-spacing-t, var(--bkbg-lig-tt-word-spacing-d, normal));
    }
    .bkbg-lig-subtitle {
        font-size: var(--bkbg-lig-st-font-size-t, var(--bkbg-lig-st-font-size-d, 14px));
        line-height: var(--bkbg-lig-st-line-height-t, var(--bkbg-lig-st-line-height-d, 1.5));
            letter-spacing: var(--bkbg-lig-st-letter-spacing-t, var(--bkbg-lig-st-letter-spacing-d, normal));
            word-spacing: var(--bkbg-lig-st-word-spacing-t, var(--bkbg-lig-st-word-spacing-d, normal));
    }
    .bkbg-lig-output {
        font-size: var(--bkbg-lig-out-font-size-t, var(--bkbg-lig-out-font-size-d, 14px));
        line-height: var(--bkbg-lig-out-line-height-t, var(--bkbg-lig-out-line-height-d, 1.8));
            letter-spacing: var(--bkbg-lig-out-letter-spacing-t, var(--bkbg-lig-out-letter-spacing-d, normal));
            word-spacing: var(--bkbg-lig-out-word-spacing-t, var(--bkbg-lig-out-word-spacing-d, normal));
    }
}
@media (max-width: 767px) {
    .bkbg-lig-title {
        font-size: var(--bkbg-lig-tt-font-size-m, var(--bkbg-lig-tt-font-size-t, var(--bkbg-lig-tt-font-size-d, 26px)));
        line-height: var(--bkbg-lig-tt-line-height-m, var(--bkbg-lig-tt-line-height-t, var(--bkbg-lig-tt-line-height-d, 1.2)));
            letter-spacing: var(--bkbg-lig-tt-letter-spacing-m, var(--bkbg-lig-tt-letter-spacing-t, var(--bkbg-lig-tt-letter-spacing-d, normal)));
            word-spacing: var(--bkbg-lig-tt-word-spacing-m, var(--bkbg-lig-tt-word-spacing-t, var(--bkbg-lig-tt-word-spacing-d, normal)));
    }
    .bkbg-lig-subtitle {
        font-size: var(--bkbg-lig-st-font-size-m, var(--bkbg-lig-st-font-size-t, var(--bkbg-lig-st-font-size-d, 14px)));
        line-height: var(--bkbg-lig-st-line-height-m, var(--bkbg-lig-st-line-height-t, var(--bkbg-lig-st-line-height-d, 1.5)));
            letter-spacing: var(--bkbg-lig-st-letter-spacing-m, var(--bkbg-lig-st-letter-spacing-t, var(--bkbg-lig-st-letter-spacing-d, normal)));
            word-spacing: var(--bkbg-lig-st-word-spacing-m, var(--bkbg-lig-st-word-spacing-t, var(--bkbg-lig-st-word-spacing-d, normal)));
    }
    .bkbg-lig-output {
        font-size: var(--bkbg-lig-out-font-size-m, var(--bkbg-lig-out-font-size-t, var(--bkbg-lig-out-font-size-d, 14px)));
        line-height: var(--bkbg-lig-out-line-height-m, var(--bkbg-lig-out-line-height-t, var(--bkbg-lig-out-line-height-d, 1.8)));
            letter-spacing: var(--bkbg-lig-out-letter-spacing-m, var(--bkbg-lig-out-letter-spacing-t, var(--bkbg-lig-out-letter-spacing-d, normal)));
            word-spacing: var(--bkbg-lig-out-word-spacing-m, var(--bkbg-lig-out-word-spacing-t, var(--bkbg-lig-out-word-spacing-d, normal)));
    }
}