/* ── code-comparison block ─────────────────────────────────────── */

.bkbg-cc-wrap {
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.bkbg-cc-inner {
    display: flex;
    position: relative;
    overflow: hidden;
}

/* ── Pane ─────────────────────────────────────────────────────── */
.bkbg-cc-pane {
    flex: 1;
    overflow: hidden;
    font-family: var(--bkbg-cc-cd-font-family, "Fira Code", "Cascadia Code", "JetBrains Mono", "Consolas", monospace);
    font-size: var(--bkbg-cc-cd-font-size-d, 13px);
    font-weight: var(--bkbg-cc-cd-font-weight, 400);
    line-height: var(--bkbg-cc-cd-line-height-d, 1.6);
    text-transform: var(--bkbg-cc-cd-text-transform, none);
    font-style: var(--bkbg-cc-cd-font-style, normal);
    text-decoration: var(--bkbg-cc-cd-text-decoration, none);
    letter-spacing: var(--bkbg-cc-cd-letter-spacing-d, normal);
    word-spacing: var(--bkbg-cc-cd-word-spacing-d, normal);
    display: flex;
    flex-direction: column;
}

/* ── Header bar ───────────────────────────────────────────────── */
.bkbg-cc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    user-select: none;
    flex-shrink: 0;
}

.bkbg-cc-header-meta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bkbg-cc-lang-badge {
    font-weight: 400;
    opacity: 0.75;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.1em;
}

.bkbg-cc-copy-btn {
    cursor: pointer;
    background: rgba(255,255,255,0.18);
    border: none;
    border-radius: 4px;
    padding: 3px 10px;
    font-size: 11px;
    font-family: inherit;
    line-height: 1.6;
    transition: background 0.18s, transform 0.1s;
}

.bkbg-cc-copy-btn:hover {
    background: rgba(255,255,255,0.32);
}

.bkbg-cc-copy-btn:active {
    transform: scale(0.94);
}

.bkbg-cc-copy-btn.bkbg-cc-copied {
    background: rgba(107,203,119,0.4) !important;
}

/* ── Code body ────────────────────────────────────────────────── */
.bkbg-cc-code-body {
    overflow-x: auto;
    overflow-y: auto;
    padding: 14px 16px;
    font-size: inherit;
    line-height: 1.6;
    flex: 1;
}

.bkbg-cc-code-body::-webkit-scrollbar {
    height: 6px;
    width: 4px;
}

.bkbg-cc-code-body::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
}

.bkbg-cc-code-body::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.18);
    border-radius: 3px;
}

/* ── Lines ────────────────────────────────────────────────────── */
.bkbg-cc-line {
    display: flex;
    align-items: flex-start;
    min-height: 1.5em;
    white-space: pre;
}

.bkbg-cc-line.bkbg-cc-wrap-lines {
    white-space: pre-wrap;
    word-break: break-word;
}

.bkbg-cc-line-num {
    min-width: 2.6em;
    text-align: right;
    padding-right: 1em;
    user-select: none;
    flex-shrink: 0;
    font-size: 0.85em;
    padding-top: 1px;
    opacity: 0.6;
}

.bkbg-cc-line-marker {
    flex-shrink: 0;
    margin-right: 6px;
    user-select: none;
    font-weight: 700;
}

.bkbg-cc-line-marker.bkbg-cc-removed { color: #ff6b6b; }
.bkbg-cc-line-marker.bkbg-cc-added   { color: #6bcb77; }

.bkbg-cc-line-code {
    flex: 1;
}

/* ── Draggable divider ────────────────────────────────────────── */
.bkbg-cc-divider {
    width: 4px;
    background: rgba(128,128,128,0.25);
    cursor: col-resize;
    flex-shrink: 0;
    position: relative;
    transition: background 0.18s;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bkbg-cc-divider:hover,
.bkbg-cc-divider.bkbg-cc-dragging {
    background: rgba(128,128,128,0.55);
}

.bkbg-cc-divider::after {
    content: '';
    display: block;
    width: 2px;
    height: 40px;
    border-radius: 2px;
    background: rgba(255,255,255,0.4);
}

/* ── Token colors ─────────────────────────────────────────────── */
.bkbg-cc-tok-keyword  { color: #c792ea; }
.bkbg-cc-tok-string   { color: #c3e88d; }
.bkbg-cc-tok-comment  { color: #546e7a; font-style: italic; }
.bkbg-cc-tok-number   { color: #f78c6c; }
.bkbg-cc-tok-operator { color: #89ddff; }
.bkbg-cc-tok-function { color: #82aaff; }
.bkbg-cc-tok-tag      { color: #f07178; }
.bkbg-cc-tok-variable { color: #ffcb6b; }
.bkbg-cc-tok-plain    { /* inherits */ }

/* Light/github theme overrides */
.bkbg-cc-theme-light .bkbg-cc-tok-keyword  { color: #d73a49; }
.bkbg-cc-theme-light .bkbg-cc-tok-string   { color: #032f62; }
.bkbg-cc-theme-light .bkbg-cc-tok-comment  { color: #6a737d; }
.bkbg-cc-theme-light .bkbg-cc-tok-number   { color: #005cc5; }
.bkbg-cc-theme-light .bkbg-cc-tok-operator { color: #e36209; }
.bkbg-cc-theme-light .bkbg-cc-tok-function { color: #6f42c1; }

.bkbg-cc-theme-github .bkbg-cc-tok-keyword  { color: #cf222e; }
.bkbg-cc-theme-github .bkbg-cc-tok-string   { color: #0a3069; }
.bkbg-cc-theme-github .bkbg-cc-tok-comment  { color: #6e7781; }
.bkbg-cc-theme-github .bkbg-cc-tok-number   { color: #0550ae; }
.bkbg-cc-theme-github .bkbg-cc-tok-function { color: #8250df; }

/* ── Typography responsive ── */
@media (max-width: 1024px) {
    .bkbg-cc-pane {
        font-size: var(--bkbg-cc-cd-font-size-t, var(--bkbg-cc-cd-font-size-d, 13px));
        line-height: var(--bkbg-cc-cd-line-height-t, var(--bkbg-cc-cd-line-height-d, 1.6));
        letter-spacing: var(--bkbg-cc-cd-letter-spacing-t, var(--bkbg-cc-cd-letter-spacing-d, normal));
        word-spacing: var(--bkbg-cc-cd-word-spacing-t, var(--bkbg-cc-cd-word-spacing-d, normal));
    }
}
@media (max-width: 767px) {
    .bkbg-cc-pane {
        font-size: var(--bkbg-cc-cd-font-size-m, var(--bkbg-cc-cd-font-size-t, var(--bkbg-cc-cd-font-size-d, 13px)));
        line-height: var(--bkbg-cc-cd-line-height-m, var(--bkbg-cc-cd-line-height-t, var(--bkbg-cc-cd-line-height-d, 1.6)));
        letter-spacing: var(--bkbg-cc-cd-letter-spacing-m, var(--bkbg-cc-cd-letter-spacing-t, var(--bkbg-cc-cd-letter-spacing-d, normal)));
        word-spacing: var(--bkbg-cc-cd-word-spacing-m, var(--bkbg-cc-cd-word-spacing-t, var(--bkbg-cc-cd-word-spacing-d, normal)));
    }
}