/* ===== Refined code block surface ===== */
.prose .code-block-container {
    --code-surface: #f8fafc;
    --code-surface-soft: #f3f6fa;
    --code-border: #d8e1eb;
    --code-rule: #e5ebf2;
    --code-text: #182233;
    --code-muted: #6f7b8c;
    --code-shadow: none;
    position: relative;
    overflow: hidden !important;
    border: 1px solid var(--code-border) !important;
    border-radius: 8px !important;
    background: var(--code-surface) !important;
    box-shadow: var(--code-shadow) !important;
    overflow-anchor: none;
}

.dark .prose .code-block-container {
    --code-surface: #111827;
    --code-surface-soft: #151d2b;
    --code-border: #2a3648;
    --code-rule: #253244;
    --code-text: #d9e2ee;
    --code-muted: #8c9aad;
    --code-shadow: none;
}

.prose .code-block-container > .flex:first-child {
    min-height: 38px;
    padding: 0 10px 0 18px !important;
    background: var(--code-surface-soft) !important;
    border-bottom: 1px solid var(--code-rule) !important;
}

.prose .code-language-label,
.prose .code-block-container > .flex:first-child > span:first-child {
    color: var(--code-muted) !important;
    font-family: inherit !important;
    font-size: 0.68rem !important;
    line-height: 1 !important;
    font-weight: 500 !important;
    letter-spacing: 0.04em !important;
    text-transform: lowercase !important;
}

.prose .code-wrapper {
    background: var(--code-surface) !important;
}

.prose .code-content {
    --code-fold-duration: 420ms;
    --code-fold-ease: cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    padding: 1.35rem 1.55rem !important;
    background: var(--code-surface) !important;
    scrollbar-color: #c5cfdb transparent;
    scrollbar-width: thin;
    transition:
        max-height var(--code-fold-duration) var(--code-fold-ease),
        scrollbar-color 220ms ease-out !important;
    box-sizing: border-box;
    overflow-x: hidden !important;
    overflow-anchor: none;
    will-change: max-height;
}

.prose .code-content::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    height: 5.25rem;
    background: linear-gradient(to bottom, rgba(247, 249, 252, 0), var(--code-surface) 86%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.prose .collapsed-code .code-content::after {
    opacity: 1;
}

.dark .prose .code-content::after {
    background: linear-gradient(to bottom, rgba(15, 23, 36, 0), var(--code-surface) 86%);
}

.prose .expanded-code .code-content {
    padding-bottom: 5.2rem !important;
    overflow-x: hidden !important;
    overflow-y: visible !important;
    scrollbar-width: none;
}

.prose .code-expanding .code-content {
    overflow: hidden !important;
}

.prose .code-collapsing .code-content {
    overflow: hidden !important;
}

.dark .prose .code-content {
    scrollbar-color: #3a4a61 transparent;
}

.prose .expanded-code .code-content::-webkit-scrollbar {
    display: none;
}

.prose .expanded-code .code-content pre {
    overflow: visible !important;
}

.prose .code-content::-webkit-scrollbar {
    height: 8px;
}

.prose .code-content::-webkit-scrollbar-thumb {
    border: 2px solid var(--code-surface);
    border-radius: 999px;
    background: #c5cfdb;
}

.dark .prose .code-content::-webkit-scrollbar-thumb {
    background: #3a4a61;
}

.prose .code-content pre {
    color: var(--code-text) !important;
    font-family: inherit !important;
    width: auto;
    min-width: 0;
    max-width: 100%;
    white-space: pre-wrap !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
}

.prose .code-content pre code {
    color: var(--code-text) !important;
    font-family: inherit !important;
    font-size: 0.9rem !important;
    line-height: 1.72 !important;
    font-weight: 400 !important;
    white-space: pre-wrap !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
    tab-size: 4;
}

.dark .prose .code-content pre code {
    color: var(--code-text) !important;
}

.prose .code-fold-controls {
    gap: 0;
    background:
        linear-gradient(to top, var(--code-surface) 16%, rgba(247, 249, 252, 0.92) 58%, rgba(247, 249, 252, 0)) !important;
}

.dark .prose .code-fold-controls {
    background:
        linear-gradient(to top, var(--code-surface) 16%, rgba(15, 23, 36, 0.92) 58%, rgba(15, 23, 36, 0)) !important;
}

.prose .code-fold-controls:not(.absolute) {
    position: fixed;
    top: var(--code-controls-top, 12px);
    bottom: auto;
    left: var(--code-controls-left, 50%) !important;
    width: max-content !important;
    max-width: calc(100% - 2rem);
    margin: 0 !important;
    padding: 1px !important;
    border: 1px solid var(--code-border) !important;
    border-radius: 999px;
    background: color-mix(in srgb, var(--code-surface) 88%, #ffffff) !important;
    backdrop-filter: none;
    box-shadow: none !important;
    align-items: center !important;
    justify-content: center !important;
    transition:
        opacity 180ms ease-out,
        background-color 180ms ease-out,
        border-color 180ms ease-out;
    transform: translate3d(-50%, 0, 0);
    will-change: transform;
    z-index: 60 !important;
    pointer-events: auto;
}

.prose .code-fold-controls.code-controls-viewport-bottom:not(.absolute) {
    top: auto;
    bottom: 16px;
}

.prose .code-fold-controls.code-controls-outside:not(.absolute) {
    opacity: 0;
    pointer-events: none;
    transition: none !important;
}

.prose .code-fold-controls.code-controls-pinned-bottom:not(.absolute) {
    position: absolute;
    top: auto;
    bottom: 16px;
    left: 50% !important;
}

.prose .collapsed-code .code-fold-controls {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    width: max-content !important;
    height: auto !important;
    min-height: 0 !important;
    margin: 0.7rem auto 0.9rem !important;
    padding: 1px !important;
    border: 1px solid var(--code-border) !important;
    border-radius: 999px;
    background: color-mix(in srgb, var(--code-surface) 88%, #ffffff) !important;
    backdrop-filter: none;
    transform: none !important;
    transition:
        background-color 180ms ease-out,
        border-color 180ms ease-out;
    z-index: 1 !important;
}

.prose .code-fold-controls.code-controls-opening {
    transition:
        opacity 180ms ease-out,
        top 420ms cubic-bezier(0.22, 1, 0.36, 1),
        left 420ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 420ms cubic-bezier(0.22, 1, 0.36, 1),
        background-color 180ms ease-out,
        border-color 180ms ease-out;
}

.prose .code-fold-controls:not(.code-controls-opening) {
    transition:
        opacity 180ms ease-out,
        background-color 180ms ease-out,
        border-color 180ms ease-out;
}

.dark .prose .collapsed-code .code-fold-controls {
    border-color: var(--code-border) !important;
    background: var(--code-surface-soft) !important;
}

.dark .prose .code-fold-controls:not(.absolute) {
    border-color: var(--code-border) !important;
    background: var(--code-surface-soft) !important;
}

.prose .code-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 26px;
    min-width: 38px;
    margin: 0 1px;
    padding: 0 0.65rem;
    border: 0;
    border-radius: 999px;
    color: var(--code-muted);
    background: transparent;
    font-size: 0.76rem;
    line-height: 1;
    font-weight: 400;
    letter-spacing: 0;
    transition:
        color 0.14s ease,
        max-width 0.18s cubic-bezier(0.2, 0, 0, 1),
        min-width 0.18s cubic-bezier(0.2, 0, 0, 1),
        padding 0.18s cubic-bezier(0.2, 0, 0, 1),
        margin 0.18s cubic-bezier(0.2, 0, 0, 1),
        opacity 0.12s ease;
}

.prose .code-nav-top {
    border-right: 0;
}

.prose .code-nav-bottom {
    border-left: 0;
}

.prose .code-nav-btn svg {
    width: 1rem;
    height: 1rem;
    display: block;
}

.prose .collapsed-code .code-nav-btn {
    width: 0;
    min-width: 0;
    max-width: 0;
    padding-inline: 0;
    margin-inline: 0;
    border-width: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
}

.prose .code-fold-controls .code-nav-btn:hover,
.prose .code-fold-controls .code-nav-btn:focus-visible,
.prose .code-fold-controls .fold-toggle-btn:hover,
.prose .code-fold-controls .fold-toggle-btn:focus-visible {
    color: var(--code-text) !important;
    background: transparent !important;
    outline: none;
}

.dark .prose .code-nav-btn {
    color: var(--code-muted);
}

.dark .prose .code-fold-controls .code-nav-btn:hover,
.dark .prose .code-fold-controls .code-nav-btn:focus-visible,
.dark .prose .code-fold-controls .fold-toggle-btn:hover,
.dark .prose .code-fold-controls .fold-toggle-btn:focus-visible {
    color: #e2e8f0 !important;
    background: transparent !important;
    outline: none;
}

.prose .fold-toggle-btn {
    width: 30px !important;
    height: 26px !important;
    margin: 0 1px !important;
    color: var(--code-muted) !important;
    border: 0 !important;
    border-radius: 8px !important;
    background: transparent !important;
    box-shadow: none !important;
    transition: color 0.14s ease !important;
}

.dark .prose .fold-toggle-btn {
    color: #9eabbd !important;
    background: transparent !important;
    box-shadow: none !important;
}

.prose .fold-toggle-btn:hover {
    transform: none;
    box-shadow: none !important;
}

.prose .fold-toggle-btn span {
    color: currentColor !important;
    font-size: 0.98rem !important;
}

@media (prefers-reduced-motion: reduce) {
    .prose .code-content,
    .prose .code-content::after,
    .prose .code-fold-controls,
    .prose .code-fold-controls.code-controls-opening,
    .prose .code-fold-controls:not(.code-controls-opening),
    .prose .code-nav-btn,
    .prose .fold-toggle-btn {
        transition: none !important;
    }
}

.prose .collapsed-code .code-content {
    overflow-y: hidden !important;
}

.prose .collapsed-code .code-fold-controls {
    display: flex !important;
}