/* ============================================================
   BLOG: a maximised reading window on the desktop (see js/blog.js)
   Information design after watchTowr Labs (dossier header, meta rail,
   numbered contents, code furniture, list index), in the site's palette:
   green for structure, #00bbff for links, everything else neutral.
   ============================================================ */
:root {
    --blog-sheet: rgba(11, 14, 13, 0.96);
    --blog-raise: #0e1211;
    --blog-code: #101513;
    --blog-chip: #151a18;
    --blog-line: rgba(255, 255, 255, 0.08);
    --blog-line-strong: #26302b;
    --blog-text: #dde2df;
    --blog-head: #f2f2f2;
    --blog-soft: #cfd6d2;
    --blog-muted: #9aa5a0;
    --blog-faint: #8b9691;
    --blog-green: #00ff95;
    --blog-link: #00bbff;
    --blog-amber: #ffdd88;
    --blog-cyan: #7fe0ff;
    --blog-warn: #ffbd2e;
    --blog-danger: #ff6b6b;
    --blog-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --blog-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --blog-radius: 6px;
    --blog-radius-sm: 4px;
    --blog-hover: 150ms;
    --blog-taskbar: 48px; /* the desktop taskbar floats over the blog's bottom edge */
    --blog-bar: 34px;
}

/* ---------- Desktop state while the blog is open ---------- */
#particles-js {
    transition: opacity 450ms ease;
}
body.blog-open #particles-js {
    opacity: 0.8; /* visible in the margins; the reading sheet covers it behind the text */
}
.intro {
    /* comes back only once the blog's close animation has finished, so it never ghosts through */
    transition: opacity 300ms ease 380ms, visibility 0s linear 380ms;
}
body.blog-open .intro,
.blog-boot .intro {
    opacity: 0;
    visibility: hidden;
    transition: opacity 220ms ease, visibility 0s linear 220ms;
}

/* ---------- Shell: a full-screen app, with the taskbar floating over its bottom edge ---------- */
.blog-view {
    position: fixed;
    inset: 0; /* the whole viewport, bar included; .blog-sheet's bottom padding clears the taskbar */
    z-index: 8; /* above the intro, below the desktop windows (10+) so they can float over it */
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.3);
    color: var(--blog-text);
    color-scheme: dark;
}
.blog-view[hidden] {
    display: none;
}
.blog-boot .blog-view[hidden] {
    display: flex;
}

.blog-bar {
    position: relative;
    flex: none;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 34px;
    padding: 0 10px;
    background: #111;
    border-bottom: 1px solid #333;
}
.blog-bar .dot {
    width: 12px;
    height: 12px;
    padding: 0;
    border: 0;
    border-radius: 50%;
}
.blog-bar button.dot {
    cursor: pointer;
}
.blog-bar button.dot:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 2px;
}
.blog-bar-title {
    position: absolute;
    left: 50%;
    max-width: calc(100% - 200px);
    transform: translateX(-50%);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font: 400 0.78rem/1 var(--blog-mono);
    color: var(--blog-faint);
}
.blog-bar-rss {
    margin-left: auto;
    font: 500 0.62rem/1 var(--blog-mono);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blog-faint);
    text-decoration: none;
    padding: 5px 7px;
    border: 1px solid var(--blog-line-strong);
    border-radius: var(--blog-radius-sm);
    transition: color var(--blog-hover), border-color var(--blog-hover);
}
.blog-bar-rss:hover,
.blog-bar-rss:focus-visible {
    color: var(--blog-green);
    border-color: var(--blog-green);
}
.blog-bar-rss:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 2px;
}
.blog-progress {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    background: var(--blog-green);
    transform-origin: 0 50%;
    transform: scaleX(0);
}

.blog-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.blog-sheet {
    box-sizing: border-box;
    max-width: 1120px;
    min-height: 100%;
    margin: 0 auto;
    padding: 56px clamp(18px, 4vw, 56px) calc(var(--blog-taskbar) + 48px);
    background: var(--blog-sheet);
    border-inline: 1px solid var(--blog-line);
    font-family: var(--blog-font);
    outline: none;
}
/* The list's header lets the constellation show through faintly; the posts below sit on the solid sheet */
.blog-sheet.is-index {
    background: linear-gradient(to bottom, rgba(11, 14, 13, 0.62) 0, rgba(11, 14, 13, 0.96) 340px);
}
.blog-view ::selection {
    background: rgba(0, 255, 149, 0.25);
    color: #fff;
}

.blog-status {
    font: 400 0.8rem/1.6 var(--blog-mono);
    color: var(--blog-faint);
}

/* ---------- Shared bits ---------- */
.blog-eyebrow {
    margin: 0;
    font: 500 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blog-green);
}
.pill {
    display: inline-block;
    padding: 3px 7px;
    font: 500 0.6rem/1.2 var(--blog-mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid currentColor;
    border-radius: var(--blog-radius-sm);
    color: var(--blog-green);
}
.pill--exploit { color: #ff9d5c; }
.pill--bounty  { color: var(--blog-amber); }

/* ---------- Index: the post list ---------- */
.blog-index-title {
    margin: 12px 0 0;
    font: 600 clamp(2.25rem, 5vw, 3.5rem)/1.05 var(--blog-font);
    letter-spacing: -0.025em;
    color: var(--blog-head);
    outline: none;
}
.blog-lede {
    margin: 16px 0 0;
    max-width: 60ch;
    font: 400 1.125rem/1.6 var(--blog-font);
    color: var(--blog-soft);
}
.blog-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 36px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--blog-line);
}
.blog-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.blog-chip {
    padding: 8px 11px;
    font: 400 0.66rem/1 var(--blog-mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blog-soft);
    background: none;
    border: 1px solid var(--blog-line-strong);
    border-radius: var(--blog-radius-sm);
    cursor: pointer;
    transition: color var(--blog-hover), border-color var(--blog-hover);
}
.blog-chip span {
    margin-left: 4px;
    color: var(--blog-faint);
}
.blog-chip:hover,
.blog-chip[aria-pressed="true"] {
    color: var(--blog-green);
    border-color: var(--blog-green);
}
.blog-chip:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 2px;
}
.blog-count {
    margin-left: auto;
    font: 400 0.6875rem/1 var(--blog-mono);
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--blog-faint);
    font-variant-numeric: tabular-nums;
}

.post-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.post-row {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 20px;
    margin: 0 -20px;
    padding: 26px 20px 28px;
    border-bottom: 1px solid var(--blog-line);
    transition: background-color var(--blog-hover), box-shadow var(--blog-hover);
}
.post-row:hover,
.post-row:focus-within {
    background: rgba(0, 255, 149, 0.04);
    box-shadow: inset 3px 0 0 var(--blog-green);
}
.post-row-meta,
.post-row-time {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font: 400 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--blog-faint);
    font-variant-numeric: tabular-nums;
}
.post-row-time {
    justify-content: flex-end;
}
.post-row-latest {
    color: var(--blog-green);
}
.post-row-title {
    grid-column: 1 / -1;
    margin: 0;
    max-width: 40ch;
    font: 600 clamp(1.35rem, 2.2vw, 1.75rem)/1.18 var(--blog-font);
    letter-spacing: -0.015em;
    text-wrap: balance;
    color: var(--blog-head);
    transition: color var(--blog-hover);
}
.post-row.is-lead .post-row-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    max-width: 30ch;
}
.post-row-link {
    color: inherit;
    text-decoration: none;
    outline: none;
}
.post-row-link::after {
    content: "";
    position: absolute;
    inset: 0;
}
.post-row:hover .post-row-title,
.post-row:focus-within .post-row-title {
    color: var(--blog-green);
}
.post-row:focus-within {
    outline: 2px solid var(--blog-green);
    outline-offset: -2px;
}
.post-row:not(:focus-within):hover {
    outline: none;
}
.post-row-excerpt {
    grid-column: 1 / -1;
    margin: 0;
    max-width: 75ch;
    font: 400 0.95rem/1.6 var(--blog-font);
    color: var(--blog-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-empty {
    padding: 40px 0;
}
.blog-empty p:not(.blog-eyebrow) {
    max-width: 60ch;
    margin: 12px 0 0;
    font: 400 1.05rem/1.6 var(--blog-font);
    color: var(--blog-soft);
}
.blog-empty strong {
    color: var(--blog-head);
    font-weight: 600;
}

/* ---------- Post: dossier header ---------- */
.post-back {
    display: inline-flex;
    gap: 8px;
    font: 400 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blog-muted);
    text-decoration: none;
    transition: color var(--blog-hover);
}
.post-back:hover,
.post-back:focus-visible {
    color: var(--blog-green);
}
.post-head {
    margin-top: 32px;
}
.post-title {
    margin: 12px 0 0;
    max-width: 24ch;
    font: 600 clamp(2rem, 3.6vw, 3rem)/1.08 var(--blog-font);
    letter-spacing: -0.02em;
    text-wrap: balance;
    color: var(--blog-head);
    outline: none;
}
.post-lede {
    margin: 18px 0 0;
    max-width: 60ch;
    font: 400 1.125rem/1.6 var(--blog-font);
    color: var(--blog-soft);
}
/* The dossier band: the post's facts as a compact grid between hairlines, under the title */
.meta-rail {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 14px 28px;
    margin: 28px 0 0;
    padding: 16px 0;
    border-top: 1px solid var(--blog-line);
    border-bottom: 1px solid var(--blog-line);
}
.meta-rail dt {
    font: 400 0.625rem/1.6 var(--blog-mono);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--blog-faint);
}
.meta-rail dd {
    margin: 3px 0 0;
    font: 400 0.8rem/1.5 var(--blog-mono);
    letter-spacing: 0.03em;
    color: var(--blog-text);
    overflow-wrap: anywhere;
}
.meta-rail a {
    color: var(--blog-link);
    text-decoration: none;
}
.meta-rail a:hover,
.meta-rail a:focus-visible {
    text-decoration: underline;
}
.post-cover {
    display: block;
    max-width: 100%;
    height: auto;
    margin-top: 40px;
    border: 1px solid var(--blog-line);
    border-radius: var(--blog-radius);
}

/* ---------- Post: text column plus sticky contents rail ---------- */
.post-grid {
    display: grid;
    grid-template-columns: minmax(0, 60ch) 220px;
    justify-content: space-between;
    gap: 56px;
    margin-top: 44px;
    font: 400 1.125rem/1.7 var(--blog-font); /* so 60ch (about 75 characters of Inter) resolves against the reading font */
}
.post-main {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
    max-width: 60ch;
}
.toc-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 24px;
    align-self: start;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    scrollbar-width: thin;
    padding-left: 18px;
    border-left: 1px solid var(--blog-line);
}
.toc-title,
.toc-inline summary {
    margin: 0 0 12px;
    font: 400 0.625rem/1.6 var(--blog-mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--blog-faint);
}
.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc;
    display: grid;
    gap: 10px;
}
.toc-list li {
    counter-increment: toc;
}
.toc-list a {
    display: block;
    font: 400 0.84rem/1.45 var(--blog-font);
    color: var(--blog-soft);
    text-decoration: none;
    transition: color var(--blog-hover);
}
.toc-list a::before {
    content: counter(toc, decimal-leading-zero);
    margin-right: 9px;
    font: 400 0.625rem var(--blog-mono);
    color: var(--blog-faint);
}
.toc-list .toc-h3 a {
    padding-left: 18px;
    font-size: 0.78rem;
}
.toc-list a:hover,
.toc-list a.is-active,
.toc-list a.is-active::before {
    color: var(--blog-green);
}
.toc-list a:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 3px;
    border-radius: 2px;
}
.toc-inline {
    margin-bottom: 28px;
    padding: 14px 16px;
    border: 1px solid var(--blog-line-strong);
    border-radius: var(--blog-radius);
    background: var(--blog-raise);
}
.toc-inline summary {
    margin: 0;
    cursor: pointer;
}
.toc-inline[open] summary {
    margin-bottom: 12px;
}

/* ---------- Prose ---------- */
.prose {
    color: var(--blog-text);
    font-feature-settings: "cv11", "ss01";
    overflow-wrap: break-word;
}
.prose > * {
    margin: 0;
}
.prose > * + * {
    margin-top: 1.5rem;
}
.prose h1,
.prose h2,
.prose h3,
.prose h4 {
    color: var(--blog-head);
    text-wrap: balance;
    scroll-margin-top: 24px;
}
.prose h1,
.prose h2 {
    margin-top: 3.25rem;
    font: 600 1.75rem/1.2 var(--blog-font);
    letter-spacing: -0.02em;
}
/* Posts take their title from the front matter, so an h1 in the body is a document title
   (the webhacking.kr notes carry their own) and has to outrank the sections under it */
.prose h1 {
    font-size: 2.05rem;
}
.prose h3 {
    margin-top: 2.5rem;
    font: 600 1.375rem/1.25 var(--blog-font);
    letter-spacing: -0.01em;
}
.prose h4 {
    margin-top: 2rem;
    font: 600 1.125rem/1.3 var(--blog-font);
}
.prose h5,
.prose h6 {
    margin-top: 1.75rem;
    font: 600 1rem/1.35 var(--blog-font);
    color: var(--blog-soft);
    scroll-margin-top: 24px;
}
.prose h6 {
    font-size: 0.92rem;
    color: var(--blog-muted);
}
.prose h5 + *,
.prose h6 + * {
    margin-top: 0.85rem;
}
.prose > :first-child {
    margin-top: 0;
}
.prose h1 + *,
.prose h2 + *,
.prose h3 + *,
.prose h4 + * {
    margin-top: 0.85rem;
}
.heading-anchor {
    margin-left: 0.4em;
    font-weight: 400;
    color: var(--blog-faint);
    text-decoration: none;
    opacity: 0;
    transition: opacity var(--blog-hover), color var(--blog-hover);
}
.prose h2:hover .heading-anchor,
.prose h3:hover .heading-anchor,
.heading-anchor:focus-visible {
    opacity: 1;
    outline: none;
}
.heading-anchor:hover {
    color: var(--blog-green);
}
.prose a:not(.heading-anchor) {
    color: var(--blog-link);
    text-decoration: underline;
    text-decoration-color: rgba(0, 187, 255, 0.35);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: text-decoration-color var(--blog-hover);
}
.prose a:not(.heading-anchor):hover {
    text-decoration-color: var(--blog-link);
}
.prose a:focus-visible {
    outline: 2px solid var(--blog-link);
    outline-offset: 2px;
    border-radius: 2px;
}
.prose strong,
.prose b {
    color: #fff;
    font-weight: 600;
}
.prose em {
    color: var(--blog-head);
}
.prose ul,
.prose ol {
    padding-left: 1.6rem;
}
.prose li + li,
.prose li > ul,
.prose li > ol {
    margin-top: 0.4rem;
}
.prose li::marker {
    color: var(--blog-green);
}
/* Task lists: the disabled native box stays for semantics, the visible state is drawn */
.prose li:has(> input[type="checkbox"]) {
    position: relative;
    list-style: none;
    margin-left: -1.35rem;
    padding-left: 1.9rem;
}
.prose li > input[type="checkbox"] {
    position: absolute;
    left: 0;
    top: 0.35em;
    width: 1.05em;
    height: 1.05em;
    margin: 0;
    opacity: 0;
}
.prose li:has(> input[type="checkbox"])::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.35em;
    width: 1.05em;
    height: 1.05em;
    box-sizing: border-box;
    border: 1px solid var(--blog-faint);
    border-radius: 3px;
}
.prose li:has(> input[type="checkbox"]:checked)::before {
    content: "\2713";
    border-color: var(--blog-green);
    background: rgba(0, 255, 149, 0.12);
    color: var(--blog-green);
    font: 600 0.8em/1.3 var(--blog-font);
    text-align: center;
}
.prose blockquote {
    padding: 2px 0 2px 20px;
    border-left: 2px solid var(--blog-green);
    font-size: 1.05em;
    line-height: 1.6;
    color: var(--blog-head);
}
.prose blockquote > * + * {
    margin-top: 0.75rem;
}
.prose hr {
    margin-block: 3rem;
    border: 0;
    border-top: 1px solid var(--blog-line);
}
.prose kbd {
    padding: 0.1em 0.45em;
    font: 0.8em var(--blog-mono);
    color: #e8ece9;
    background: #141817;
    border: 1px solid #3a3f3d;
    border-bottom-width: 2px;
    border-radius: var(--blog-radius-sm);
}
.prose :not(pre) > code {
    padding: 0.1em 0.38em;
    font: 400 0.86em var(--blog-mono);
    color: var(--blog-amber);
    background: var(--blog-chip);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--blog-radius-sm);
    overflow-wrap: anywhere; /* long paths must never widen the page on phones */
    font-variant-ligatures: none;
}
.prose .raw-html {
    padding: 10px 12px;
    font: 400 0.85em/1.6 var(--blog-mono);
    color: var(--blog-amber);
    background: var(--blog-chip);
    border: 1px dashed var(--blog-line-strong);
    border-radius: var(--blog-radius);
    overflow-wrap: anywhere;
}

/* Callouts: > [!NOTE] / [!TIP] / [!IMPORTANT] / [!WARNING] / [!CAUTION] */
.prose .callout {
    padding: 14px 16px 14px 18px;
    border-left: 2px solid var(--blog-green);
    border-radius: 0 var(--blog-radius-sm) var(--blog-radius-sm) 0;
    background: rgba(0, 255, 149, 0.04);
    font-size: 1em;
    color: var(--blog-text);
}
.prose .callout-title {
    font: 500 0.66rem/1.6 var(--blog-mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--blog-green);
}
.prose .callout > .callout-title + * {
    margin-top: 4px;
}
.prose .callout-tip { border-left-color: #4fd6c9; background: rgba(79, 214, 201, 0.05); }
.prose .callout-tip .callout-title { color: #4fd6c9; }
.prose .callout-important { border-left-color: #c08cff; background: rgba(192, 140, 255, 0.05); }
.prose .callout-important .callout-title { color: #c08cff; }
.prose .callout-warning { border-left-color: var(--blog-warn); background: rgba(255, 189, 46, 0.05); }
.prose .callout-warning .callout-title { color: var(--blog-warn); }
.prose .callout-caution { border-left-color: var(--blog-danger); background: rgba(255, 107, 107, 0.05); }
.prose .callout-caution .callout-title { color: var(--blog-danger); }

/* Figures */
.prose figure {
    margin-block: 2.25rem 0;
}
.prose img {
    display: block;
    max-width: 100%;
    height: auto;
    margin-inline: auto;
    border: 1px solid var(--blog-line);
    border-radius: var(--blog-radius);
    cursor: zoom-in;
}
.prose figcaption {
    margin-top: 8px;
    text-align: center;
    font: 400 0.72rem/1.6 var(--blog-mono);
    color: var(--blog-muted);
}

/* Tables (same language as the Played CTF's table) */
.prose .table-scroll {
    overflow-x: auto;
    border: 1px solid var(--blog-line-strong);
    border-radius: var(--blog-radius);
}
.prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    line-height: 1.5;
}
.prose th {
    padding: 10px 14px;
    text-align: left;
    white-space: nowrap;
    font: 500 0.66rem/1.4 var(--blog-mono);
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--blog-green);
    background: var(--blog-raise);
    border-bottom: 1px solid var(--blog-line-strong);
}
.prose td {
    padding: 10px 14px;
    vertical-align: top;
    border-bottom: 1px solid var(--blog-line);
}
.prose tr:last-child td {
    border-bottom: 0;
}
.prose td.is-date {
    white-space: nowrap;
    font: 400 0.82rem/1.5 var(--blog-mono);
    color: var(--blog-soft);
    font-variant-numeric: tabular-nums;
}

/* ---------- Code blocks ---------- */
.prose .code-block {
    overflow: hidden;
    background: var(--blog-code);
    border: 1px solid var(--blog-line-strong);
    border-radius: var(--blog-radius);
}
.code-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 7px 10px 7px 14px;
    background: var(--blog-raise);
    border-bottom: 1px solid var(--blog-line-strong);
}
.code-lang {
    font: 500 0.625rem/1 var(--blog-mono);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blog-green);
}
.code-copy {
    margin-left: auto;
    padding: 6px 9px;
    font: 400 0.625rem/1 var(--blog-mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blog-soft);
    background: none;
    border: 1px solid var(--blog-line-strong);
    border-radius: var(--blog-radius-sm);
    cursor: pointer;
    transition: color var(--blog-hover), border-color var(--blog-hover), opacity var(--blog-hover);
}
.code-copy:hover,
.code-copy.is-copied,
.code-copy:focus-visible {
    color: var(--blog-green);
    border-color: var(--blog-green);
    outline: none;
}
.prose .code-block pre {
    margin: 0;
    padding: 14px 16px;
    overflow-x: auto;
    font: 400 0.84375rem/1.65 var(--blog-mono);
    color: #d6dbd8;
    tab-size: 4;
    white-space: pre;
    font-variant-ligatures: none;
}
.prose .code-block pre code {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    padding: 0;
}
/* One-liners: the line scrolls on its own, the Copy button sits beside it (never on top of the text) */
.prose .code-block.is-oneline {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-right: 8px;
    border-left: 2px solid var(--blog-green);
}
.prose .code-block.is-oneline pre {
    flex: 1;
    min-width: 0;
    padding: 10px 6px 10px 14px;
    color: var(--blog-green);
}
.code-block.is-oneline .code-copy {
    flex: none;
    margin-left: 0;
    opacity: 0.55;
}
.code-block.is-oneline:hover .code-copy,
.code-block.is-oneline .code-copy:focus-visible,
.code-block.is-oneline .code-copy.is-copied {
    opacity: 1;
}
.prose .code-block.is-tall:not(.is-expanded) pre {
    max-height: 520px;
}
.code-more {
    display: block;
    width: 100%;
    padding: 9px;
    font: 400 0.625rem/1 var(--blog-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blog-soft);
    background: var(--blog-raise);
    border: 0;
    border-top: 1px solid var(--blog-line-strong);
    cursor: pointer;
}
.code-more:hover,
.code-more:focus-visible {
    color: var(--blog-green);
}
.code-more:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: -2px;
}
.prose .code-block.is-console pre {
    color: var(--blog-green); /* shell output looks like the desktop's own terminal */
}

/* Syntax colours: five hues, each at least 4.5:1 on the code ground */
.code-block .token.keyword,
.code-block .token.tag,
.code-block .token.function,
.code-block .token.selector,
.code-block .token.important,
.code-block .token.attr-name,
.code-block .token.atrule { color: var(--blog-green); }
.code-block .token.string,
.code-block .token.attr-value,
.code-block .token.char,
.code-block .token.regex,
.code-block .token.url,
.code-block .token.template-string { color: var(--blog-amber); }
.code-block .token.number,
.code-block .token.boolean,
.code-block .token.constant,
.code-block .token.symbol,
.code-block .token.property,
.code-block .token.variable,
.code-block .token.builtin { color: var(--blog-cyan); }
.code-block .token.comment,
.code-block .token.prolog,
.code-block .token.doctype,
.code-block .token.cdata { color: var(--blog-faint); font-style: italic; }
.code-block .token.punctuation,
.code-block .token.operator { color: var(--blog-muted); }
.code-block .token.inserted { color: var(--blog-green); background: rgba(0, 255, 149, 0.08); }
.code-block .token.deleted { color: var(--blog-danger); background: rgba(255, 107, 107, 0.08); }
.code-block .token.bold { font-weight: 600; }
.code-block .token.italic { font-style: italic; }

/* ---------- End of post ---------- */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 72px;
    padding-top: 32px;
    border-top: 1px solid var(--blog-line);
}
.post-nav-link {
    display: block;
    font: 400 1.05rem/1.35 var(--blog-font);
    color: var(--blog-head);
    text-decoration: none;
    transition: color var(--blog-hover);
}
.post-nav-link span {
    display: block;
    margin-bottom: 6px;
    font: 400 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--blog-faint);
}
.post-nav-link.is-newer {
    grid-column: 2;
    text-align: right;
}
.post-nav-link:hover,
.post-nav-link:focus-visible {
    color: var(--blog-green);
}
.post-nav-all {
    grid-column: 1 / -1;
    justify-self: start;
    display: inline-flex;
    gap: 8px;
    margin-top: 8px;
    font: 400 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blog-muted);
    text-decoration: none;
    transition: color var(--blog-hover);
}
.post-nav-all:hover,
.post-nav-all:focus-visible {
    color: var(--blog-green);
}
.post-back:focus-visible,
.post-nav-link:focus-visible,
.post-nav-all:focus-visible,
.prose img[role="button"]:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ---------- Image zoom ---------- */
.blog-zoom {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.9);
    cursor: zoom-out;
}
.blog-zoom[hidden] {
    display: none;
}
.blog-zoom img {
    max-width: calc(100vw - 48px);
    max-height: calc(100vh - 48px);
    border-radius: var(--blog-radius);
}
.blog-zoom-close {
    position: fixed;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    line-height: 1;
    color: #f2f2f2;
    background: #151515;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    cursor: pointer;
}
.blog-zoom-close:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 3px;
}

/* ---------- Index: collection and off-site writeups ---------- */
.blog-extra {
    margin-top: 76px;
}
.blog-section-title {
    margin: 0;
    font: 500 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blog-faint);
}
.collection-list {
    list-style: none;
    margin: 10px 0 48px;
    padding: 0;
    border-top: 1px solid var(--blog-line);
}
.collection-list:last-child {
    margin-bottom: 0;
}
.collection-row {
    position: relative;
    display: grid;
    gap: 7px;
    margin: 0 -20px;
    padding: 20px;
    border-bottom: 1px solid var(--blog-line);
    transition: background-color var(--blog-hover), box-shadow var(--blog-hover);
}
.collection-row:hover,
.collection-row:focus-within {
    background: rgba(0, 255, 149, 0.04);
    box-shadow: inset 3px 0 0 var(--blog-green);
}
.collection-row:focus-within {
    outline: 2px solid var(--blog-green);
    outline-offset: -2px;
}
.collection-link {
    justify-self: start;
    font: 600 1.15rem/1.3 var(--blog-font);
    letter-spacing: -0.01em;
    color: var(--blog-head);
    text-decoration: none;
    outline: none;
    transition: color var(--blog-hover);
}
.collection-link::after {
    content: "";
    position: absolute;
    inset: 0;
}
.collection-row.is-feature .collection-link {
    font-size: 1.45rem;
}
.collection-row:hover .collection-link,
.collection-row:focus-within .collection-link {
    color: var(--blog-green);
}
.collection-note {
    margin: 0;
    max-width: 72ch;
    font: 400 0.95rem/1.55 var(--blog-font);
    color: var(--blog-muted);
}
.collection-meta {
    font: 400 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--blog-faint);
}

/* ---------- Collection: the webhacking.kr archive ---------- */
.blog-sheet.is-collection {
    max-width: 1340px; /* a two-pane browser needs more room than a reading column */
}
.whk {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    margin-top: 40px;
}
.whk-sidebar {
    position: sticky;
    top: 0;
    max-height: calc(100vh - var(--blog-bar) - var(--blog-taskbar) - 24px);
    overflow-y: auto;
    scrollbar-width: thin;
    padding-right: 16px;
    border-right: 1px solid var(--blog-line);
}
.whk-tools {
    position: sticky;
    top: 0;
    z-index: 2;
    padding-bottom: 12px;
    background: #0b0e0d; /* items scroll underneath, so this one is opaque */
}
.whk-filter {
    width: 100%;
    box-sizing: border-box;
    padding: 9px 11px;
    color: var(--blog-text);
    background: var(--blog-code);
    border: 1px solid var(--blog-line-strong);
    border-radius: var(--blog-radius-sm);
    font: 400 0.8rem var(--blog-font);
}
.whk-filter::placeholder {
    color: var(--blog-faint);
}
.whk-filter:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 2px;
    border-color: var(--blog-green);
}
.whk-found {
    margin: 7px 0 0;
    min-height: 1em;
    font: 400 0.66rem/1 var(--blog-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--blog-faint);
}
.whk-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 20px 0 8px;
    font: 400 0.625rem/1.6 var(--blog-mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--blog-faint);
}
.whk-count {
    padding: 0 6px;
    font-size: 0.58rem;
    letter-spacing: 0;
    color: var(--blog-green);
    border: 1px solid rgba(0, 255, 149, 0.3);
    border-radius: 10px;
}
.whk-ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.whk-group[hidden],
.whk-ul[hidden],
.whk-item[hidden] {
    display: none;
}
.whk-item + .whk-item {
    margin-top: 3px;
}
.whk-item.is-todo {
    opacity: 0.55;
}
.whk-link {
    display: block;
    padding: 8px 10px;
    color: inherit;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--blog-radius-sm);
    transition: background-color var(--blog-hover), border-color var(--blog-hover);
}
.whk-link:hover {
    background: rgba(0, 255, 149, 0.05);
}
.whk-link.is-active {
    background: rgba(0, 255, 149, 0.09);
    border-color: rgba(0, 255, 149, 0.45);
}
.whk-link:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 2px;
}
.whk-item-head {
    display: flex;
    align-items: center;
    gap: 7px;
}
.whk-name {
    font: 500 0.82rem/1.35 var(--blog-font);
    color: var(--blog-head);
}
.whk-link.is-active .whk-name {
    color: var(--blog-green);
}
.whk-vuln {
    display: block;
    margin-top: 3px;
    font: 400 0.705rem/1.4 var(--blog-font);
    color: var(--blog-muted);
}
.whk-item.is-rank .whk-link {
    border-color: rgba(0, 255, 149, 0.3);
    background: linear-gradient(90deg, rgba(0, 255, 149, 0.1), rgba(0, 255, 149, 0.015));
}
.whk-cat,
.whk-badge {
    flex: 0 0 auto;
    padding: 1px 5px;
    font: 400 0.58rem/1.5 var(--blog-mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid currentColor;
    border-radius: var(--blog-radius-sm);
}
.whk-badge {
    margin-left: auto;
}
.whk-cat { color: #8a8a8a; }
.whk-cat[data-cat="sqli"]  { color: var(--blog-green); }
.whk-cat[data-cat="xss"]   { color: #ff9d5c; }
.whk-cat[data-cat="rce"]   { color: var(--blog-danger); }
.whk-cat[data-cat="cmd"]   { color: #ff8aa0; }
.whk-cat[data-cat="lfi"]   { color: #c08cff; }
.whk-cat[data-cat="auth"]  { color: #5cc8ff; }
.whk-cat[data-cat="race"]  { color: #4fd6c9; }
.whk-cat[data-cat="ssrf"]  { color: #ffd24a; }
.whk-cat[data-cat="logic"] { color: #b0b0b0; }
.whk-cat[data-cat="misc"]  { color: #8a8a8a; }
.whk-badge-todo { color: #ff8a80; }
.whk-badge-wip  { color: var(--blog-warn); }

/* The reader pane */
.whk-reader {
    min-width: 0;
}
.whk-doc-head {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--blog-line);
}
.whk-doc-title {
    margin: 9px 0 0;
    font: 600 clamp(1.5rem, 2.6vw, 2rem)/1.2 var(--blog-font);
    letter-spacing: -0.015em;
    color: var(--blog-head);
    outline: none;
}
.whk-doc-lead {
    margin: 9px 0 0;
    max-width: 70ch;
    font: 400 1rem/1.55 var(--blog-font);
    color: var(--blog-soft);
}
.whk-back {
    display: none; /* the list is right there on a wide screen */
    gap: 8px;
    margin-bottom: 14px;
    font: 400 0.6875rem/1.6 var(--blog-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blog-muted);
    text-decoration: none;
    transition: color var(--blog-hover);
}
.whk-back:hover,
.whk-back:focus-visible {
    color: var(--blog-green);
}
.whk-back:focus-visible {
    outline: 2px solid var(--blog-green);
    outline-offset: 3px;
}
.whk-prose,
.whk-rank {
    margin-top: 30px;
    font: 400 1rem/1.65 var(--blog-font);
}
.whk-overview {
    max-width: 60ch;
    padding-top: 8px;
}
.whk-overview p {
    margin: 0 0 14px;
    font: 400 1.05rem/1.6 var(--blog-font);
    color: var(--blog-soft);
}
.whk-overview-note {
    color: var(--blog-muted) !important;
    font-size: 0.95rem !important;
}
.whk-legend-title {
    margin: 26px 0 10px !important;
    font: 400 0.625rem/1.6 var(--blog-mono) !important;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--blog-faint) !important;
}
.whk-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* The scoreboard: .prose supplies the table, these are its own columns */
.whk-rank tr.is-me {
    background: rgba(0, 255, 149, 0.08);
    box-shadow: inset 3px 0 0 var(--blog-green);
}
.whk-rank tr.is-me td {
    color: var(--blog-green);
    font-weight: 500;
}
.whk-rank .rank-pos,
.whk-rank .rank-score {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.whk-rank .rank-pos { color: var(--blog-faint); }
.whk-rank .rank-score { color: var(--blog-amber); }
.whk-rank .rank-date {
    white-space: nowrap;
    font: 400 0.78rem/1.5 var(--blog-mono);
    color: var(--blog-faint);
}
.whk-rank .rank-you {
    margin-left: 6px;
    padding: 1px 5px;
    font: 500 0.58rem/1.5 var(--blog-mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #0c0c0c;
    background: var(--blog-green);
    border-radius: 3px;
}

/* ---------- Narrower screens ---------- */
@media (min-width: 1101px) {
    .toc-inline { display: none; }
}
@media (max-width: 1100px) {
    .post-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
    }
    .toc-rail { display: none; }
}

/* The collection stops being two panes: the list and the reader take turns, like a phone app */
@media (max-width: 1000px) {
    .whk {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
        margin-top: 32px;
    }
    .whk-sidebar {
        position: static;
        max-height: none;
        overflow: visible;
        padding-right: 0;
        border-right: 0;
    }
    /* Reading one challenge: the list and the collection header step aside for the text */
    .whk-page.has-selection .whk-sidebar,
    .whk-page.has-selection > .post-back,
    .whk-page.has-selection > .post-head { display: none; }
    .whk-page:not(.has-selection) .whk-reader { display: none; }
    .whk-page.has-selection .whk { margin-top: 20px; }
    .whk-back { display: inline-flex; }
    .whk-doc-head { padding-top: 4px; }
}
@media (max-width: 700px) {
    .blog-sheet {
        padding: 32px 18px calc(var(--blog-taskbar) + 24px);
        border-inline: 0;
    }
    .meta-rail {
        grid-template-columns: 1fr 1fr;
        gap: 10px 18px;
        margin-top: 22px;
        padding: 12px 0;
    }
    .post-lede { font-size: 1.02rem; }
    .blog-bar-title { max-width: calc(100% - 150px); }
    .post-grid { font-size: 1.0625rem; line-height: 1.65; }
    .post-row {
        margin: 0 -18px;
        padding: 20px 18px 22px;
    }
    .post-row-time { justify-content: flex-start; }
    .post-row { grid-template-columns: minmax(0, 1fr); gap: 8px; }
    .post-row-excerpt { -webkit-line-clamp: 3; }
    .blog-count { margin-left: 0; width: 100%; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav-link.is-newer { grid-column: 1; text-align: left; }
    .collection-row {
        margin: 0 -18px;
        padding: 18px;
    }
    .blog-extra { margin-top: 56px; }
    .collection-row.is-feature .collection-link { font-size: 1.25rem; }
    .whk-prose, .whk-rank { font-size: 1rem; }
}

/* Short screens (small laptops, landscape phones): less air above the text */
@media (max-height: 560px) {
    .blog-sheet { padding-top: 24px; }
    .post-head { margin-top: 18px; }
    .post-title { font-size: clamp(1.6rem, 3vw, 2.25rem); }
    .post-grid { margin-top: 28px; }
    .blog-index-title { font-size: clamp(1.9rem, 4vw, 2.5rem); }
}

@media (hover: none) {
    .heading-anchor { display: none; } /* touch screens use the Contents box instead */
}

@media (prefers-reduced-motion: reduce) {
    #particles-js,
    .intro,
    body.blog-open .intro { transition: none; }
}