@charset "UTF-8";

/* ============================================================
   medium-override.css
   AI-Blog design features layered ON TOP of the Tistory skin.
   Loaded after style.css - only ADDS or OVERRIDES, never breaks.
   ============================================================ */

/* ------------------------------------------------------------
   1. DARK MODE
   ------------------------------------------------------------ */

[data-theme="dark"] {
    --bg-color: #0a0a0a;
    --bg-dimmed-90: #0a0a0ae6;
    --bg-dimmed-color: #1a1a1a;
    --grey-50: #1a1a1a;
    --grey-100: #171717;
    --grey-200: #262626;
    --grey-300: #404040;
    --grey-400: #525252;
    --grey-500: #737373;
    --grey-600: #a3a3a3;
    --grey-700: #a3a3a3;
    --grey-800: #d4d4d4;
    --grey-900: #fafafa;
    --grey-dimmed-05: #fafafa08;
    --grey-dimmed-10: #fafafa1a;
    --grey-dimmed-20: #fafafa33;
    --grey-dimmed-30: #fafafa4d;
    --grey-dimmed-50: #fafafa80;
    --grey-dimmed-70: #fafafab3;
    --grey-dimmed-85: #fafafad9;
    --text-color: #fafafa;
    --text-light: #d4d4d4;
    --text-lighter: #a3a3a3;
    --border-color: #262626;
    --shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --primary-rgb: 34, 197, 94;
    --code-block-bg-color: #1e1e1e;
    --code-block-text-color: #d4d4d4;
    --danger: #4a1515;
    --warning: #4a3a10;
    color-scheme: dark;
}

/* --- Header --- */
[data-theme="dark"] #header_wrap {
    background-color: var(--bg-dimmed-90);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] #header_wrap.shrink {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .menu-icon {
    border-bottom-color: var(--grey-700);
}

[data-theme="dark"] .menu-icon:nth-child(2) {
    border-bottom-color: var(--primary-color);
}

/* --- Search bar --- */
[data-theme="dark"] #search-bar {
    background-color: var(--grey-200);
}

[data-theme="dark"] #search-bar.active {
    background-color: var(--grey-100);
}

[data-theme="dark"] #search-bar .input-text,
[data-theme="dark"] #search-bar .search-icon,
[data-theme="dark"] #search-bar .search-close-icon {
    color: var(--text-lighter);
}

/* --- Sidebar --- */
[data-theme="dark"] #container #sidebar.right {
    border-left-color: var(--border-color);
}

[data-theme="dark"] .module-category .sub_category_list:before {
    border-left-color: var(--border-color);
}

/* --- Dropdown / mobile menu --- */
[data-theme="dark"] .dropdown-content {
    background: var(--bg-color);
    border-left: 1px solid var(--border-color);
}

[data-theme="dark"] .dropdown-content .dropdown-profile {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .dropdown-content .header_layer {
    border-color: var(--border-color);
}

[data-theme="dark"] .dimmed {
    background-color: rgba(0, 0, 0, 0.85);
}

/* --- Cards / list items --- */
[data-theme="dark"] .list_content {
    border-color: var(--border-color);
}

[data-theme="dark"] .list_detail_wrap .post_text {
    color: var(--text-light);
}

/* --- Post content --- */
[data-theme="dark"] .post-content {
    color: var(--text-color);
}

[data-theme="dark"] .e-content blockquote[data-ke-style="style1"],
[data-theme="dark"] .e-content blockquote[data-ke-style="style2"] {
    border-color: var(--grey-600) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .e-content blockquote[data-ke-style="style3"] {
    background-color: rgba(var(--primary-rgb), 0.1) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .e-content blockquote[data-ke-style="style1"] span[style] {
    color: var(--text-color) !important;
}

/* --- Code blocks --- */
[data-theme="dark"] pre,
[data-theme="dark"] code {
    background-color: var(--code-block-bg-color) !important;
    color: var(--code-block-text-color) !important;
}

[data-theme="dark"] .e-content div[data-ke-type="moreLess"] .btn-toggle-moreless {
    background-color: var(--grey-200);
    color: var(--text-color) !important;
}

[data-theme="dark"] .e-content div[data-ke-type="moreLess"] {
    border-bottom-color: var(--border-color);
}

/* --- Tables --- */
[data-theme="dark"] .e-content table[data-ke-style] th {
    background-color: var(--grey-200);
    color: var(--text-color);
}

[data-theme="dark"] .e-content table[data-ke-style] td,
[data-theme="dark"] .e-content table[data-ke-style] th {
    border-color: var(--border-color);
}

/* --- TOC --- */
[data-theme="dark"] .toc-wrap {
    background-color: var(--grey-100);
    border-color: var(--border-color);
}

[data-theme="dark"] .toc-wrap .toc-title {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .toc-wrap .toc-item a {
    color: var(--text-light);
}

/* --- Comments --- */
[data-theme="dark"] .post-reply .tt_wrap_write {
    background-color: var(--grey-100);
    border-color: var(--border-color);
}

[data-theme="dark"] .post-reply .tt-area-write .tt-box-account input {
    background-color: var(--grey-200);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .post-reply .tt_btn_prev_more {
    background: var(--grey-200);
    color: var(--text-light);
}

[data-theme="dark"] .post-reply .tt_btn_prev_more:hover {
    background: var(--grey-300);
}

[data-theme="dark"] .comment-wrap {
    background-color: var(--grey-200);
    color: var(--text-color);
}

[data-theme="dark"] .reply_content .modify,
[data-theme="dark"] .reply_content .write {
    background: var(--grey-200);
    border-color: var(--border-color);
    color: var(--text-light);
}

[data-theme="dark"] .reply_content .modify:hover,
[data-theme="dark"] .reply_content .write:hover {
    background: var(--grey-300);
    color: var(--text-color);
    border-color: var(--grey-300);
}

/* --- Tags --- */
[data-theme="dark"] .tag-list a {
    background-color: rgba(var(--primary-rgb), 0.1);
    color: var(--text-light);
}

[data-theme="dark"] .entry-tag a {
    color: var(--primary-color);
}

/* --- Pagination --- */
[data-theme="dark"] #paging .pagination li a {
    color: var(--text-light);
}

/* --- Ads --- */
[data-theme="dark"] .ads-wrap {
    background: var(--grey-100);
}

[data-theme="dark"] .post-content .adsbygoogle,
[data-theme="dark"] .post-content .kakao_ad_area {
    background: var(--grey-100) !important;
    border-color: var(--border-color) !important;
}

/* --- Footer --- */
[data-theme="dark"] .footer-wrap {
    background-color: var(--grey-100);
    border-top-color: var(--border-color);
    color: var(--text-lighter);
}

/* --- Protected / password posts --- */
[data-theme="dark"] .protected .media .protectedPassword {
    border-color: var(--border-color);
    background-color: var(--grey-200);
    color: var(--text-color);
}

[data-theme="dark"] .protected .media .media_btn {
    background: var(--grey-200);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] #tt-body-page .protected .textbox input {
    background-color: var(--grey-200);
    border-color: var(--border-color);
    color: var(--text-color);
}

/* --- Admin menu --- */
[data-theme="dark"] .admin-menu {
    background: var(--grey-200);
    color: var(--text-light);
}

[data-theme="dark"] .admin-menu:hover {
    background-color: var(--grey-300);
}

/* --- Related posts --- */
[data-theme="dark"] .area_related_wrap .list_related,
[data-theme="dark"] .area_related_wrap .list_item {
    border-color: var(--border-color);
}

/* --- Selection --- */
[data-theme="dark"] ::selection {
    background-color: rgba(var(--primary-rgb), 0.3);
}

/* --- Scrollbar --- */
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: var(--grey-300);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: var(--grey-400);
}

/* --- Post button area --- */
[data-theme="dark"] .container_postbtn .wrap_btn {
    background: var(--grey-200);
    color: var(--text-light);
}

[data-theme="dark"] .container_postbtn .wrap_btn:hover {
    background: var(--grey-300);
}

[data-theme="dark"] .container_postbtn .btn_menu_toolbar {
    background: var(--grey-200) !important;
    color: var(--text-light);
}

/* --- Secret wrap checkbox --- */
[data-theme="dark"] .secret-wrap .checkmark {
    border-color: var(--grey-400);
}

/* --- File block --- */
[data-theme="dark"] #tt-body-page figure.fileblock,
[data-theme="dark"] figure.fileblock {
    border-color: var(--border-color);
    background-color: var(--grey-100);
}

/* --- Progress bar --- */
[data-theme="dark"] .progress-bar {
    background: rgba(var(--primary-rgb), 0.3);
}

/* --- Images in dark mode --- */
[data-theme="dark"] .e-content figure.imageblock figcaption {
    color: var(--text-lighter);
}


/* ------------------------------------------------------------
   2. THEME TOGGLE BUTTON
   ------------------------------------------------------------ */

#theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin: 0 8px;
    vertical-align: middle;
    line-height: 1;
}

.toggle-track {
    position: relative;
    width: 48px;
    height: 26px;
    border-radius: 13px;
    background-color: var(--grey-300);
    transition: background-color 0.3s ease;
}

[data-theme="dark"] .toggle-track {
    background-color: #374151;
}

.toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.toggle-thumb.dark {
    transform: translateX(22px);
}

.toggle-thumb::before {
    content: "\2600"; /* sun */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    line-height: 1;
    transition: opacity 0.2s ease;
}

.toggle-thumb.dark::before {
    content: "\263D"; /* moon */
}


/* ------------------------------------------------------------
   3. NETWORK BACKGROUND CANVAS
   ------------------------------------------------------------ */

#network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

/* Push all content above the canvas */
#wrap {
    position: relative;
    z-index: 1;
}
#header_wrap {
    z-index: 99;
}
/* dropdown-content and dimmed keep their original position (fixed) */


/* ------------------------------------------------------------
   4. CARD GRID LAYOUT (post list - Medium style)
   ------------------------------------------------------------ */

.list_content {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.list_content:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .list_content:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.list_content .thumnail {
    border-radius: 6px;
    overflow: hidden;
}

.list_content .thumnail img {
    border-radius: 6px;
    object-fit: cover;
    aspect-ratio: 1 / 1;
    transition: transform 0.3s ease;
}

.list_content:hover .thumnail img {
    transform: scale(1.05);
}

/* Subtle left accent on hover */
.list_content::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: rgb(var(--primary-rgb));
    border-radius: 8px 0 0 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.list_content:hover::before {
    opacity: 1;
}


/* ------------------------------------------------------------
   5. AUTHOR BOX (post detail page)
   ------------------------------------------------------------ */

.author-box {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
    margin: 32px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.author-box .author-avatar {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgb(var(--primary-rgb)), #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.author-box .author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.author-box .author-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-box .author-name {
    font-size: var(--font-lg);
    font-weight: var(--font-bold);
    color: var(--text-color);
}

.author-box .author-bio {
    font-size: var(--font-sm);
    color: var(--text-lighter);
    line-height: var(--line-height-md);
}


/* ------------------------------------------------------------
   6. SHARE BUTTONS
   ------------------------------------------------------------ */

.share-buttons-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 16px 0;
}

.share-buttons-wrap .share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
    font-size: 18px;
    text-decoration: none;
}

.share-buttons-wrap .share-btn:hover {
    color: rgb(var(--primary-rgb));
    border-color: rgb(var(--primary-rgb));
    background-color: rgba(var(--primary-rgb), 0.05);
}

.share-buttons-wrap .share-btn svg,
.share-buttons-wrap .share-btn .material-icons-outlined {
    width: 20px;
    height: 20px;
    font-size: 20px;
}


/* ------------------------------------------------------------
   7. TOC SIDEBAR (sticky, right side)
   ------------------------------------------------------------ */

#toc-sidebar {
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding: 16px 0;
    font-size: var(--font-sm);
    scrollbar-width: thin;
}

#toc-sidebar::-webkit-scrollbar {
    width: 3px;
}

#toc-sidebar::-webkit-scrollbar-thumb {
    background-color: var(--grey-300);
    border-radius: 3px;
}

#toc-sidebar .toc-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 8px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    font-weight: var(--font-bold);
    font-size: var(--font-sm);
    color: var(--text-lighter);
    cursor: pointer;
    user-select: none;
}

#toc-sidebar .toc-sidebar-header .toc-collapse-icon {
    transition: transform 0.2s ease;
    font-size: 16px;
    color: var(--text-lighter);
}

#toc-sidebar .toc-sidebar-header.collapsed .toc-collapse-icon {
    transform: rotate(-90deg);
}

#toc-sidebar .toc-sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

#toc-sidebar .toc-sidebar-list.collapsed {
    display: none;
}

.toc-sidebar-item {
    display: block;
    padding: 6px 12px;
    color: var(--text-lighter);
    border-left: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
    line-height: var(--line-height-md);
    text-decoration: none;
}

.toc-sidebar-item:hover {
    color: var(--text-color);
}

.toc-sidebar-item.active {
    border-left-color: rgb(var(--primary-rgb));
    color: rgb(var(--primary-rgb));
    font-weight: 500;
}

.toc-sidebar-item.h3 {
    padding-left: 28px;
    font-size: var(--font-xs);
}


/* ------------------------------------------------------------
   8. CODE COPY BUTTON
   ------------------------------------------------------------ */

/* Container for pre blocks needs relative positioning */
.post-content pre {
    position: relative;
}

.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    font-size: var(--font-xs);
    background-color: rgba(0, 0, 0, 0.4);
    color: #e5e5e5;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease, background-color 0.2s ease;
    z-index: 2;
    line-height: 1.4;
}

.post-content pre:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    background-color: rgba(0, 0, 0, 0.6);
}

.code-copy-btn.copied {
    background-color: rgb(var(--primary-rgb));
    color: #fff;
    opacity: 1;
}


/* ------------------------------------------------------------
   9. TEXT HIGHLIGHT SHARE POPUP
   ------------------------------------------------------------ */

.highlight-share-popup {
    position: absolute;
    display: none;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--grey-900);
    color: var(--grey-50);
    border-radius: 20px;
    font-size: var(--font-xs);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    z-index: 100;
    cursor: pointer;
    white-space: nowrap;
    transform: translateX(-50%);
    user-select: none;
    transition: opacity 0.15s ease;
}

[data-theme="dark"] .highlight-share-popup {
    background-color: var(--grey-200);
    color: var(--text-color);
}

.highlight-share-popup.visible {
    display: inline-flex;
}

.highlight-share-popup .share-icon {
    font-size: 14px;
    vertical-align: middle;
}


/* ------------------------------------------------------------
   10. IMAGE LIGHTBOX OVERLAY
   ------------------------------------------------------------ */

.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: zoom-out;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.lightbox-overlay .lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    background: none;
    border: none;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    z-index: 10000;
    line-height: 1;
}

.lightbox-overlay .lightbox-close:hover {
    opacity: 1;
}


/* ------------------------------------------------------------
   11. ENHANCED TYPOGRAPHY
   ------------------------------------------------------------ */

/* Post title - bolder, larger */
.hd h1.hd-heading {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* Better paragraph spacing in post content */
.post-content p,
.post-content p[data-ke-size] {
    line-height: 1.85;
    letter-spacing: -0.01em;
}

/* Refined blockquote */
.e-content blockquote[data-ke-style="style1"],
.e-content blockquote[data-ke-style="style2"] {
    border-left-width: 3px !important;
    border-left-color: rgb(var(--primary-rgb)) !important;
    padding: 4px 0 4px 16px !important;
}

.e-content blockquote[data-ke-style="style3"] {
    border-left: 3px solid rgb(var(--primary-rgb)) !important;
    border-radius: var(--radius-md) !important;
}

/* Better list styling */
.post-content ul li {
    position: relative;
}

.post-content ul li::marker {
    color: rgb(var(--primary-rgb));
}

.post-content ol li::marker {
    color: var(--text-lighter);
    font-weight: var(--font-bold);
}

/* Inline code */
.post-content code:not(pre code) {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    background-color: var(--grey-100);
    color: var(--text-color);
}

[data-theme="dark"] .post-content code:not(pre code) {
    background-color: var(--grey-200) !important;
    color: var(--text-light) !important;
}

/* Horizontal rule refinement */
hr,
hr[data-ke-style] {
    border-bottom-color: var(--border-color) !important;
    opacity: 0.6;
}

/* Sub info meta styling */
.hd .sub-info {
    letter-spacing: 0;
}


/* ------------------------------------------------------------
   12. SMOOTH ANIMATIONS
   ------------------------------------------------------------ */

.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hover transitions on interactive elements */
a,
button,
.list_content,
.tag-list a,
.admin-menu,
.entry-tag a,
.share-btn,
.toc-sidebar-item {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

/* Smooth theme transition */
body,
#header_wrap,
.footer-wrap,
.dropdown-content,
.list_content,
.toc-wrap,
.post-reply .tt_wrap_write,
.comment-wrap,
.ads-wrap,
#search-bar {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Image scale on hover in post content */
.e-content figure.imageblock img {
    transition: transform 0.3s ease;
    cursor: zoom-in;
}

.e-content figure.imageblock:hover img {
    transform: scale(1.01);
}


/* ------------------------------------------------------------
   13. FOOTER ENHANCEMENT
   ------------------------------------------------------------ */

.footer-wrap {
    padding: 32px 24px;
    text-align: center;
    font-size: var(--font-sm);
    line-height: var(--line-height-lg);
}

.footer-wrap .ft-writer {
    font-size: var(--font-md);
    margin-bottom: 12px;
}

.footer-social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.footer-social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-lighter);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-social-links a:hover {
    color: rgb(var(--primary-rgb));
    border-color: rgb(var(--primary-rgb));
}


/* ------------------------------------------------------------
   14. RESPONSIVE REFINEMENTS
   ------------------------------------------------------------ */

/* --- Mobile: <= 767px --- */
@media only screen and (max-width: 767px) {

    /* Hide TOC sidebar on mobile */
    #toc-sidebar {
        display: none !important;
    }

    /* Single column cards */
    .list_content {
        padding: 12px;
    }

    .list_content .thumnail {
        float: none;
        margin-left: 0;
        margin-bottom: 12px;
        width: 100%;
    }

    .list_content .thumnail img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }

    /* Author box stacks on mobile */
    .author-box {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .author-box .author-info {
        align-items: center;
    }

    /* Share buttons wrap on small screens */
    .share-buttons-wrap {
        justify-content: center;
    }

    /* Post title sizing */
    .hd h1.hd-heading {
        font-size: 1.5rem;
    }

    /* Lightbox close button easier to tap */
    .lightbox-overlay .lightbox-close {
        top: 12px;
        right: 16px;
        font-size: 36px;
    }

    /* Footer padding */
    .footer-wrap {
        padding: 24px 16px;
    }
}

/* --- Tablet: 768px - 1023px --- */
@media only screen and (min-width: 768px) and (max-width: 1023px) {

    /* Hide TOC sidebar on tablet too */
    #toc-sidebar {
        display: none !important;
    }

    /* 2-column card grid */
    #tt-body-index .content-width,
    #tt-body-category .content-width,
    #tt-body-search .content-width,
    #tt-body-tag .content-width {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    /* Reset the border separator between posts when using grid */
    #tt-body-category .h-entry:after,
    #tt-body-index .h-entry:after,
    #tt-body-search .h-entry:after,
    #tt-body-tag .h-entry:after {
        display: none;
    }

    .list_content {
        margin-bottom: 0;
    }

    /* Thumbnail on top in grid cards */
    .list_content .thumnail {
        float: none;
        margin-left: 0;
        margin-bottom: 12px;
        width: 100%;
    }

    .list_content .thumnail img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }
}

/* --- Desktop: >= 1024px --- */
@media only screen and (min-width: 1024px) {

    /* Full layout with sidebar and TOC */
    #toc-sidebar {
        display: block;
    }

    /* Card hover effect stronger on desktop */
    .list_content:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    [data-theme="dark"] .list_content:hover {
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    }
}

/* --- Large desktop: >= 1400px --- */
@media only screen and (min-width: 1400px) {

    /* Extra breathing room */
    .post-content {
        font-size: 17px;
    }
}