:root {
    --bg-primary: #0a0c0f;
    --bg-secondary: #111418;
    --bg-tertiary: #161a1f;
    --bg-card: #14181d;
    --border: transparent;
    --border-hover: transparent;
    --text-primary: #d0d5dd;
    --text-secondary: #8b929a;
    --text-muted: #5c636e;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.25);
    --accent-2: #06b6d4;
    --accent-green: #10b981;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    --code-bg: #0d1117;
    --code-border: transparent;
    --terminal-bg: #0a0d10;
    --terminal-text: #b0b8c0;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px var(--accent-glow);
    --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 0.15s;
    --duration-normal: 0.28s;
    --duration-enter: 0.5s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.07) var(--bg-primary);
}

body {
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Scrollbar ────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.09);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.14);
}

/* ── Selection ───────────────────── */
::selection {
    background: rgba(59, 130, 246, 0.35);
    color: #fff;
}

/* ── Motion & keyframes ─────────────────── */
@keyframes anim-content-enter {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes anim-md-block {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes anim-sidebar-item {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes anim-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes anim-loading-pulse {
    0%,
    100% {
        opacity: 0.55;
    }
    50% {
        opacity: 1;
    }
}

#mainContent.content-mounted > * {
    animation: anim-content-enter var(--duration-enter) var(--ease-out-expo) backwards;
}

#mainContent.content-mounted > *:nth-child(1) {
    animation-delay: 0.04s;
}
#mainContent.content-mounted > *:nth-child(2) {
    animation-delay: 0.1s;
}
#mainContent.content-mounted > *:nth-child(3) {
    animation-delay: 0.16s;
}
#mainContent.content-mounted > *:nth-child(4) {
    animation-delay: 0.22s;
}
#mainContent.content-mounted > *:nth-child(5) {
    animation-delay: 0.28s;
}

.markdown-body.markdown-stagger-active > * {
    animation: anim-md-block 0.42s var(--ease-out-expo) backwards;
}

.markdown-body.markdown-stagger-active > *:nth-child(1) {
    animation-delay: 0.02s;
}
.markdown-body.markdown-stagger-active > *:nth-child(2) {
    animation-delay: 0.05s;
}
.markdown-body.markdown-stagger-active > *:nth-child(3) {
    animation-delay: 0.08s;
}
.markdown-body.markdown-stagger-active > *:nth-child(4) {
    animation-delay: 0.11s;
}
.markdown-body.markdown-stagger-active > *:nth-child(5) {
    animation-delay: 0.14s;
}
.markdown-body.markdown-stagger-active > *:nth-child(6) {
    animation-delay: 0.17s;
}
.markdown-body.markdown-stagger-active > *:nth-child(7) {
    animation-delay: 0.2s;
}
.markdown-body.markdown-stagger-active > *:nth-child(8) {
    animation-delay: 0.23s;
}
.markdown-body.markdown-stagger-active > *:nth-child(9) {
    animation-delay: 0.26s;
}
.markdown-body.markdown-stagger-active > *:nth-child(10) {
    animation-delay: 0.29s;
}
.markdown-body.markdown-stagger-active > *:nth-child(11) {
    animation-delay: 0.32s;
}
.markdown-body.markdown-stagger-active > *:nth-child(12) {
    animation-delay: 0.35s;
}
.markdown-body.markdown-stagger-active > *:nth-child(13) {
    animation-delay: 0.38s;
}
.markdown-body.markdown-stagger-active > *:nth-child(14) {
    animation-delay: 0.41s;
}
.markdown-body.markdown-stagger-active > *:nth-child(15) {
    animation-delay: 0.44s;
}
.markdown-body.markdown-stagger-active > *:nth-child(16) {
    animation-delay: 0.47s;
}
.markdown-body.markdown-stagger-active > *:nth-child(17) {
    animation-delay: 0.5s;
}
.markdown-body.markdown-stagger-active > *:nth-child(18) {
    animation-delay: 0.53s;
}
.markdown-body.markdown-stagger-active > *:nth-child(19) {
    animation-delay: 0.56s;
}
.markdown-body.markdown-stagger-active > *:nth-child(20) {
    animation-delay: 0.59s;
}
.markdown-body.markdown-stagger-active > *:nth-child(n + 21) {
    animation-delay: 0.62s;
}

.toc-accordion-root.rendered > .toc-accordion-item {
    animation: anim-sidebar-item 0.45s var(--ease-out-expo) backwards;
}

.toc-accordion-root.rendered > .toc-accordion-item:nth-child(1) {
    animation-delay: 0.06s;
}
.toc-accordion-root.rendered > .toc-accordion-item:nth-child(2) {
    animation-delay: 0.14s;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ── Top Navbar ──────────────────── */
.navbar {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}
.navbar .logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    letter-spacing: 0.04em;
    transition:
        color var(--duration-normal) var(--ease-out-expo),
        transform var(--duration-normal) var(--ease-out-expo);
}

.navbar .logo:hover {
    color: #e8edf5;
    transform: translateY(-1px);
}
.navbar .logo .bracket {
    color: var(--accent);
    font-weight: 400;
}
.navbar .nav-links {
    display: flex;
    gap: 1.6rem;
    list-style: none;
    align-items: center;
}
.navbar .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition:
        color var(--duration-normal) var(--ease-out-expo),
        transform var(--duration-fast) ease;
    font-size: 0.78rem;
    position: relative;
}

.navbar .nav-links a:hover {
    transform: translateY(-1px);
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
    color: var(--text-primary);
}
.navbar .nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent-red);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.12);
}

/* ── Layout: utilities on .layout in index.html ── */

/* ── Sidebar / TOC (Tailwind: sticky top width shrink overflow on .sidebar) ── */
.sidebar {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding-right: 1rem;
    padding-top: 0.5rem;
    padding-left: 0.65rem;
    border-right: 1px solid transparent;
    border-radius: var(--radius-lg);
    background: rgba(10, 12, 15, 0.42);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}
.sidebar .toc-sidebar-head {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid transparent;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    padding: 0.85rem 0.75rem 1rem;
    margin-left: -0.15rem;
    margin-right: -0.15rem;
    animation: anim-fade-in 0.55s var(--ease-out-expo) backwards;
}
.sidebar .toc-title {
    display: block;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #e8eaef;
    text-transform: none;
    margin-bottom: 0.25rem;
    font-family: var(--font-sans);
}
.sidebar .toc-subtitle {
    margin: 0;
    font-size: 0.68rem;
    line-height: 1.45;
    color: var(--text-muted);
    font-weight: 500;
}

/* ── Sidebar accordion (Linux / Windows) ── */
.toc-accordion-root {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.toc-accordion-item {
    border: none;
    border-radius: var(--radius);
    background: transparent;
    overflow: hidden;
    transition: opacity var(--transition);
}

.toc-accordion-item:hover {
    background: transparent;
}

.toc-accordion-item.is-open {
    background: transparent;
    box-shadow: none;
}

.toc-accordion-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 0.65rem;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition);
}

.toc-accordion-trigger:hover {
    background: rgba(255, 255, 255, 0.04);
}

.toc-accordion-trigger:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.22);
    outline-offset: 2px;
}

.toc-trigger-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.45rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    line-height: 1;
}

.toc-trigger-icon-linux {
    background: transparent;
    border: none;
}

.toc-trigger-icon-linux::before {
    content: '🐧';
}

.toc-trigger-icon-windows {
    background: transparent;
    border: none;
}

.toc-trigger-icon-windows::before {
    content: '🪟';
}

.toc-trigger-label {
    flex: 1;
    letter-spacing: 0.02em;
}

.toc-trigger-count {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    padding: 0.12rem 0.45rem;
    border-radius: 999px;
    min-width: 1.35rem;
    text-align: center;
}

.toc-accordion-item.is-open .toc-trigger-count {
    color: var(--accent-red);
    border-color: transparent;
    background: transparent;
}

.toc-chevron {
    width: auto;
    height: auto;
    margin-left: 0.15rem;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    transform: none;
    transition: none;
}

.toc-chevron::before {
    content: '›';
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.55;
    line-height: 1;
    transition:
        transform 0.38s cubic-bezier(0.34, 1.3, 0.64, 1),
        color 0.25s ease,
        opacity 0.2s ease;
}

.toc-accordion-item.is-open .toc-chevron::before {
    transform: rotate(90deg);
    color: var(--text-secondary);
    opacity: 0.78;
}

.toc-accordion-panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

.toc-accordion-item.is-open .toc-accordion-panel {
    grid-template-rows: 1fr;
}

.toc-accordion-panel-inner {
    min-height: 0;
    overflow: hidden;
}

.toc-accordion-links {
    list-style: none;
    margin: 0;
    padding: 0.35rem 0.4rem 0.65rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.toc-accordion-links li a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.35rem 0.55rem;
    border-radius: var(--radius-sm);
    transition:
        color var(--duration-normal) ease,
        background var(--duration-normal) ease,
        transform var(--duration-fast) var(--ease-out-expo);
    border-left: 2px solid transparent;
    line-height: 1.4;
    font-size: 0.72rem;
}

.toc-accordion-links li a:hover,
.toc-accordion-links li a.toc-active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(4px);
    border-left-color: transparent;
}

.toc-empty {
    list-style: none;
    padding: 0.5rem 0.55rem 0.65rem;
}

.toc-empty-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-style: italic;
}

.toc-loading,
.toc-manifest-error {
    list-style: none;
    padding: 0.75rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
}

.toc-manifest-error {
    color: var(--accent-amber);
    border-color: transparent;
}

.sidebar .toc-badge {
    display: inline-block;
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    margin-left: 0.3rem;
    font-weight: 600;
    vertical-align: middle;
    background: var(--bg-tertiary);
    color: var(--text-muted);
}
.sidebar .toc-badge.danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

/* Legacy flat TOC category label (unused with accordion) */
.sidebar .writeup-category {
    margin: 0.8rem 0 0.2rem;
    padding: 0 0.6rem;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ── Main Content: utilities on .main-content in index.html ── */

/* ── Hero / Header ──────────────── */
.writeup-header {
    margin-bottom: 2rem;
    padding-bottom: 1.8rem;
    border-bottom: 1px solid var(--border);
}
.writeup-header .target-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(22, 26, 31, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    border: 1px solid transparent;
    transition:
        border-color var(--duration-normal) ease,
        box-shadow 0.38s var(--ease-out-expo),
        transform 0.38s var(--ease-out-expo);
}

.writeup-header .target-icon:hover {
    transform: translateY(-2px);
    border-color: transparent;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}
.writeup-header .target-icon .arch-badge {
    background: var(--accent);
    color: #fff;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    font-weight: 600;
    font-size: 0.65rem;
}
.writeup-header h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 0.6rem;
    color: #f0f2f5;
}
.writeup-header h1 .highlight {
    color: var(--accent);
}
.writeup-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--text-muted);
}
.writeup-meta span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.writeup-meta .difficulty {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.68rem;
    letter-spacing: 0.03em;
}
.difficulty.hard {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1rem;
}
.tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    background: rgba(22, 26, 31, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-secondary);
    border: 1px solid transparent;
    letter-spacing: 0.02em;
    transition:
        border-color var(--duration-normal) ease,
        color var(--duration-normal) ease,
        box-shadow 0.35s var(--ease-out-expo),
        transform var(--duration-fast) var(--ease-spring);
    cursor: default;
}
.tag:hover {
    border-color: transparent;
    color: var(--accent);
    box-shadow: 0 0 16px var(--accent-glow);
    transform: translateY(-2px);
}

/* ── Summary Cards ──────────────── */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
    margin: 1.1rem 0;
}
.summary-card {
    background: rgba(22, 26, 31, 0.45);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 0.9rem;
    transition:
        border-color var(--duration-normal) var(--ease-out-expo),
        box-shadow 0.35s var(--ease-out-expo),
        transform 0.35s var(--ease-out-expo);
}

.summary-card:hover {
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
}
.summary-card .summary-label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.summary-card strong {
    display: block;
    margin-bottom: 0.35rem;
    color: #f0f2f5;
    font-size: 0.9rem;
}
.summary-card p {
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.78rem;
    line-height: 1.6;
}

/* ── Section Cards ──────────────── */
.section {
    margin-bottom: 2rem;
    background: rgba(20, 24, 29, 0.48);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.22);
    transition:
        border-color var(--duration-normal) var(--ease-out-expo),
        box-shadow 0.4s var(--ease-out-expo),
        transform 0.4s var(--ease-out-expo);
}
.section:hover {
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.32);
}
.section-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 1.4rem;
    background: rgba(17, 20, 24, 0.42);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--text-primary);
}
.section-header .section-icon {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}
.section-icon.recon {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent);
}
.section-icon.static {
    background: rgba(139, 92, 246, 0.2);
    color: var(--accent-purple);
}
.section-icon.dynamic {
    background: rgba(6, 182, 212, 0.2);
    color: var(--accent-2);
}
.section-icon.exploit {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}
.section-icon.conclusion {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}
.section-body {
    padding: 1.4rem 1.6rem;
}
.section-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #e8eaef;
    margin: 1.2rem 0 0.5rem;
    letter-spacing: -0.01em;
}
.section-body h3:first-child {
    margin-top: 0;
}
.section-body p {
    color: var(--text-secondary);
    margin-bottom: 0.9rem;
    font-size: 0.9rem;
    line-height: 1.75;
}
.section-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ── Code Block ─────────────────── */
.code-block-wrapper {
    position: relative;
    margin: 1.2rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid transparent;
    background: rgba(13, 17, 23, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02), 0 12px 32px rgba(0, 0, 0, 0.22);
    transition:
        border-color 0.38s var(--ease-out-expo),
        box-shadow 0.45s var(--ease-out-expo),
        background 0.35s ease;
}
.code-block-wrapper:hover {
    border-color: transparent;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 18px 44px rgba(0, 0, 0, 0.32);
}
.code-block-wrapper .code-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.45rem 0.9rem;
    background: rgba(17, 23, 29, 0.58);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 0.03em;
}
.code-block-wrapper .code-label .lang-tag {
    color: var(--accent-2);
    font-weight: 600;
}
.copy-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.25rem 0.6rem;
    border-radius: 3px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    transition:
        border-color var(--duration-normal) var(--ease-out-expo),
        color var(--duration-normal) ease,
        box-shadow 0.35s ease,
        transform var(--duration-fast) var(--ease-spring);
    letter-spacing: 0.02em;
}
.copy-btn:hover {
    border-color: transparent;
    color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
    transform: translateY(-1px);
}
.copy-btn:active {
    transform: translateY(0) scale(0.96);
}
.copy-btn.copied {
    border-color: transparent;
    color: var(--accent-green);
    background: rgba(16, 185, 129, 0.1);
}
.code-block-wrapper pre {
    margin: 0;
    padding: 1rem 1.2rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.65;
    color: #c9d1d9;
    tab-size: 4;
    -moz-tab-size: 4;
    white-space: pre;
    word-wrap: normal;
}
.code-block-wrapper pre code {
    display: block;
    padding: 0;
    background: transparent;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
}
.code-block-wrapper .hljs {
    background: transparent;
}
/* Syntax highlighting classes */
.code-block-wrapper pre .kw {
    color: #ff7b72;
}
.code-block-wrapper pre .str {
    color: #a5d6ff;
}
.code-block-wrapper pre .num {
    color: #79c0ff;
}
.code-block-wrapper pre .cmt {
    color: #8b949e;
    font-style: italic;
}
.code-block-wrapper pre .fn {
    color: #d2a8ff;
}
.code-block-wrapper pre .reg {
    color: #ffa657;
}
.code-block-wrapper pre .addr {
    color: #7ee787;
}
.code-block-wrapper pre .inst {
    color: #ff7b72;
    font-weight: 500;
}

/* ── Terminal Output Block ──────── */
.terminal-block {
    margin: 1.2rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid transparent;
    background: rgba(10, 13, 16, 0.62);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 1.6;
    transition:
        border-color 0.35s ease,
        box-shadow 0.42s var(--ease-out-expo);
}
.terminal-block:hover {
    border-color: transparent;
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.28);
}
.terminal-block .terminal-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.8rem;
    background: rgba(13, 17, 20, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
}
.terminal-block .terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.terminal-dot.red {
    background: #ff5f56;
}
.terminal-dot.yellow {
    background: #ffbd2e;
}
.terminal-dot.green {
    background: #27c93f;
}
.terminal-block .terminal-title {
    margin-left: 0.5rem;
    color: #5c636e;
    font-size: 0.65rem;
    letter-spacing: 0.03em;
}
.terminal-block pre {
    padding: 0.9rem 1.1rem;
    color: #b0b8c0;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}
.terminal-block pre .prompt {
    color: var(--accent-green);
    font-weight: 600;
}
.terminal-block pre .out {
    color: #c9d1d9;
}
.terminal-block pre .err {
    color: #f87171;
}

/* ── Info / Warning Boxes ───────── */
.callout {
    margin: 1rem 0;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius);
    font-size: 0.84rem;
    border-left: 3px solid;
    line-height: 1.6;
    background: rgba(22, 26, 31, 0.42);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid transparent;
    border-right: 1px solid transparent;
    border-bottom: 1px solid transparent;
    transition:
        border-color 0.32s ease,
        box-shadow 0.38s var(--ease-out-expo),
        background 0.32s ease;
}
.callout:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
}
.callout.info {
    border-left-color: transparent;
    color: #b0cdfb;
}
.callout.warn {
    border-left-color: transparent;
    color: #fcd59b;
}
.callout.danger {
    border-left-color: transparent;
    color: #f9b8b8;
}
.callout strong {
    color: #fff;
}

/* ── Hex Dump Table ────────────── */
.hex-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    margin: 1rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--code-border);
}
.hex-table th,
.hex-table td {
    padding: 0.35rem 0.6rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.hex-table th {
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.65rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.hex-table td {
    color: var(--text-secondary);
    transition: background 0.22s ease, color 0.22s ease;
}

.hex-table tbody tr:hover td {
    background: rgba(59, 130, 246, 0.07);
}
.hex-table .offset {
    color: var(--accent-green);
    font-weight: 600;
}
.hex-table .hex-data {
    color: #c9d1d9;
    letter-spacing: 0.03em;
}
.hex-table .ascii-data {
    color: #a5d6ff;
}

/* ── Markdown Viewer ────────────── */
.markdown-viewer {
    overflow: visible;
    border-color: transparent;
    background: transparent;
}
.markdown-body {
    background: transparent;
    color: var(--text-secondary);
    padding: 1.7rem 1.85rem;
}
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    color: #e8eaef;
    letter-spacing: -0.01em;
    line-height: 1.3;
}
.markdown-body h2 {
    margin: 2rem 0 0.85rem;
    padding-bottom: 0.55rem;
    border-bottom: 1px solid var(--border);
    font-size: 1.35rem;
}
.markdown-body h3 {
    margin: 1.55rem 0 0.65rem;
    font-size: 1.08rem;
    color: #dfe5ee;
}
.markdown-body h4 {
    margin: 1rem 0 0.45rem;
    font-size: 0.95rem;
    color: var(--accent-2);
}
.markdown-body h2:first-child,
.markdown-body h3:first-child,
.markdown-body h4:first-child {
    margin-top: 0;
}
.markdown-body p,
.markdown-body li {
    font-size: 0.92rem;
    line-height: 1.85;
}
.markdown-body p {
    margin-bottom: 1rem;
}
.markdown-body ul,
.markdown-body ol {
    margin: 0.7rem 0 1.1rem 1.4rem;
    color: var(--text-secondary);
}
.markdown-body li {
    margin-bottom: 0.35rem;
    padding-left: 0.15rem;
}
.markdown-body a {
    color: var(--accent-2);
    text-decoration: none;
    background-image: linear-gradient(transparent, transparent);
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 0 1px;
    transition:
        color var(--duration-normal) ease,
        background-size 0.38s var(--ease-out-expo);
}

.markdown-body a:hover {
    color: #5eead4;
    background-image: linear-gradient(transparent, transparent);
    background-size: 100% 1px;
}
.markdown-body hr {
    margin: 1.7rem 0;
    border: 0;
    border-top: 1px solid var(--border);
}
.markdown-body blockquote {
    margin: 1.1rem 0;
    padding: 0.85rem 1rem;
    border-left: 3px solid transparent;
    border-radius: 0 var(--radius) var(--radius) 0;
    background: rgba(59, 130, 246, 0.08);
    color: #b0cdfb;
}
.markdown-body blockquote p {
    margin-bottom: 0.45rem;
}
.markdown-body blockquote p:last-child {
    margin-bottom: 0;
}
.markdown-body code:not(pre code) {
    padding: 0.15rem 0.36rem;
    border: 1px solid transparent;
    border-radius: 4px;
    background: rgba(13, 17, 23, 0.85);
    color: #a5d6ff;
    font-family: var(--font-mono);
    font-size: 0.84em;
}
.markdown-body > .code-block-wrapper {
    margin: 1.05rem 0 1.45rem;
}
.table-scroll {
    margin: 1rem 0 1.35rem;
    overflow-x: auto;
    border: 1px solid var(--code-border);
    border-radius: var(--radius);
    background: rgba(13, 17, 23, 0.35);
    transition:
        border-color 0.35s ease,
        box-shadow 0.42s var(--ease-out-expo),
        background 0.3s ease;
}
.table-scroll:hover {
    border-color: transparent;
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
}
.markdown-table {
    display: table;
    margin: 0;
    border: 0;
    min-width: 620px;
}
.markdown-table th,
.markdown-table td {
    padding: 0.55rem 0.75rem;
    vertical-align: top;
}
.markdown-table tbody tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.015);
}
.writeup-footer {
    margin-top: 1rem;
    padding: 1.2rem 0 0;
    border-top: 1px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-align: center;
}
.section-body > pre {
    padding: 0.9rem 1rem;
    overflow-x: auto;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: rgba(13, 17, 23, 0.58);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--terminal-text);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    transition:
        border-color 0.35s ease,
        box-shadow 0.4s var(--ease-out-expo);
}
.section-body > pre:hover {
    border-color: transparent;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* ── Responsive ────────────────── */
@media (max-width: 960px) {
    .layout {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    .sidebar {
        position: static;
        width: 100%;
        max-height: unset;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-right: 0;
        padding-bottom: 1rem;
        margin-bottom: 0.5rem;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        flex-wrap: nowrap;
        gap: 0.65rem;
    }
    .sidebar .toc-sidebar-head {
        margin-bottom: 0;
        margin-left: 0;
        margin-right: 0;
    }
    .toc-accordion-root {
        width: 100%;
    }
    .toc-accordion-links li a {
        font-size: 0.68rem;
        padding: 0.32rem 0.45rem;
    }
    .toc-accordion-links li a:hover,
    .toc-accordion-links li a.toc-active {
        border-left-width: 2px;
    }
    .sidebar .writeup-category {
        width: 100%;
        margin-top: 0.5rem;
    }
    .writeup-header h1 {
        font-size: 1.5rem;
    }
    .summary-grid {
        grid-template-columns: 1fr;
    }
    .section-body {
        padding: 1rem 1.1rem;
    }
    .navbar .nav-links {
        gap: 0.8rem;
    }
    .navbar .nav-links a {
        font-size: 0.7rem;
    }
}
@media (max-width: 540px) {
    .navbar {
        padding: 0 0.7rem;
        height: 44px;
    }
    .navbar .nav-links {
        gap: 0.5rem;
    }
    .navbar .logo {
        font-size: 0.75rem;
    }
    .writeup-header h1 {
        font-size: 1.25rem;
    }
    .writeup-meta {
        gap: 0.6rem;
        font-size: 0.68rem;
    }
    .code-block-wrapper pre {
        font-size: 0.68rem;
        padding: 0.7rem;
    }
}