/* ══════════════════════════════════════════════════
   TheResearchGuy — Magazine Edition
   Inspired by NYT Magazine, premium editorial design
   ══════════════════════════════════════════════════ */

:root {
    /* Colors — warm newsprint palette */
    --trg-bg:           #FAFAF7;
    --trg-paper:        #FFFFFF;
    --trg-text:         #121212;
    --trg-text-secondary: #4A4A4A;
    --trg-text-muted:   #888887;
    --trg-rule:         #1A1A1A;
    --trg-border:       #E8E6E0;
    --trg-border-light: #F0EDE6;
    --trg-accent:       #B91C1C;
    --trg-accent-soft:  #FCE7E7;

    /* Per-post color (overridden inline) */
    --trg-post-color:   var(--trg-accent);

    /* Typography */
    --serif:  'Playfair Display', 'Times New Roman', Georgia, serif;
    --body-serif: 'Source Serif 4', Georgia, serif;
    --sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Misc */
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--sans);
    background: var(--trg-bg);
    color: var(--trg-text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--trg-text); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.6; }
img { max-width: 100%; height: auto; display: block; }

::selection { background: var(--trg-text); color: var(--trg-bg); }

/* ══════════════════════════════════════════════════
   Top accent rule
   ══════════════════════════════════════════════════ */
.trg-topbar {
    height: 4px;
    background: var(--trg-rule);
}

/* ══════════════════════════════════════════════════
   Reading progress bar
   ══════════════════════════════════════════════════ */
.trg-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--trg-text);
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ══════════════════════════════════════════════════
   Header — Newspaper masthead style
   ══════════════════════════════════════════════════ */
.trg-header {
    background: var(--trg-bg);
    border-bottom: 1px solid var(--trg-rule);
    position: sticky;
    top: 0;
    z-index: 100;
}

.trg-header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.trg-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--trg-text);
}

.trg-logo:hover { opacity: 1; }

.trg-logo-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
}

.trg-logo:hover .trg-logo-icon { transform: none; filter: none; }

.trg-logo-text {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.5px;
    line-height: 1;
    color: var(--trg-text);
}

.trg-logo-the {
    font-style: italic;
    font-weight: 400;
    color: var(--trg-text-secondary);
}

.trg-logo-text strong {
    font-weight: 900;
    color: var(--trg-text);
}

/* Navigation */
.trg-nav-list {
    list-style: none;
    display: flex;
    gap: 28px;
}

.trg-nav-list li a {
    color: var(--trg-text);
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 0;
    position: relative;
    transition: color var(--transition);
}

.trg-nav-list li a:hover {
    opacity: 1;
    color: var(--trg-accent);
}

.trg-nav-list li a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--trg-text);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.trg-nav-list li a:hover::after { transform: scaleX(1); background: var(--trg-accent); }

.trg-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trg-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid transparent;
    color: var(--trg-text);
    cursor: pointer;
    transition: all var(--transition);
}

.trg-search-toggle:hover {
    border-color: var(--trg-text);
}

.trg-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.trg-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--trg-text);
}

/* ══════════════════════════════════════════════════
   Search overlay
   ══════════════════════════════════════════════════ */
.trg-search-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(18, 18, 18, 0.92);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 18vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.trg-search-overlay--open {
    opacity: 1;
    visibility: visible;
}

.trg-search-inner {
    width: 100%;
    max-width: 720px;
    padding: 0 32px;
}

.trg-search-form {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 2px solid white;
}

.trg-search-icon {
    color: white;
    flex-shrink: 0;
}

.trg-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-family: var(--serif);
    font-size: 32px;
    font-weight: 700;
    background: transparent;
    color: white;
}

.trg-search-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
    font-style: italic;
    font-weight: 400;
}

.trg-search-close {
    flex-shrink: 0;
    background: transparent;
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    padding: 8px;
    transition: all var(--transition);
}

.trg-search-close:hover {
    background: white;
    color: var(--trg-text);
}

/* ══════════════════════════════════════════════════
   Main content
   ══════════════════════════════════════════════════ */
.trg-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px 80px;
}

/* ══════════════════════════════════════════════════
   Lead Post — Hero with massive serif headline
   ══════════════════════════════════════════════════ */
.trg-lead {
    margin: 56px 0 80px;
    padding-bottom: 56px;
    border-bottom: 1px solid var(--trg-rule);
}

.trg-lead-link {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: start;
    color: var(--trg-text);
}

.trg-lead-link:hover { opacity: 1; }

.trg-lead-img {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--trg-bg);
}

.trg-lead-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.trg-lead-link:hover .trg-lead-img img {
    transform: scale(1.03);
}

.trg-lead-img.trg-gen-cover {
    aspect-ratio: 4/3;
}

.trg-lead-text {
    padding-top: 12px;
}

.trg-lead-label {
    display: inline-block;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--trg-accent);
    margin-bottom: 24px;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--trg-accent);
}

.trg-lead-title {
    font-family: var(--serif);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.04;
    letter-spacing: -1px;
    margin-bottom: 24px;
    color: var(--trg-text);
}

.trg-lead-excerpt {
    font-family: var(--body-serif);
    font-size: 19px;
    line-height: 1.55;
    color: var(--trg-text-secondary);
    margin-bottom: 24px;
    max-width: 560px;
}

.trg-lead-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--sans);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--trg-text-muted);
    font-weight: 600;
}

.trg-lead-meta span:not(:first-child)::before {
    content: '·';
    margin-right: 16px;
    color: var(--trg-text-muted);
}

/* ══════════════════════════════════════════════════
   Section heads — Editorial style
   ══════════════════════════════════════════════════ */
.trg-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--trg-rule);
}

.trg-section-title-row {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.4px;
    color: var(--trg-text);
}

.trg-view-all {
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--trg-text);
    border-bottom: 1px solid var(--trg-text);
    padding-bottom: 2px;
    transition: color var(--transition);
}

.trg-view-all:hover {
    opacity: 1;
    color: var(--trg-accent);
    border-color: var(--trg-accent);
}

.trg-section-title {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 24px;
}

/* ══════════════════════════════════════════════════
   Article Cards — Magazine grid
   ══════════════════════════════════════════════════ */
.trg-card-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 32px;
    border-top: 1px solid var(--trg-border);
}

.trg-card-item {
    display: flex;
    flex-direction: column;
    padding: 28px 28px 32px;
    color: var(--trg-text);
    border-right: 1px solid var(--trg-border);
    border-bottom: 1px solid var(--trg-border);
    transition: background var(--transition);
    position: relative;
}

.trg-card-item:nth-child(3n) {
    border-right: none;
}

.trg-card-item:hover {
    background: var(--trg-paper);
    opacity: 1;
}

.trg-card-item-title {
    font-family: var(--serif);
    font-size: 21px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.3px;
    margin-bottom: 12px;
    color: var(--trg-text);
    transition: color var(--transition);
}

.trg-card-item:hover .trg-card-item-title {
    color: var(--trg-post-color, var(--trg-accent));
}

.trg-card-item-excerpt {
    font-family: var(--body-serif);
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--trg-text-secondary);
}

/* ══════════════════════════════════════════════════
   Programming Problems Section
   ══════════════════════════════════════════════════ */
.trg-problems-section {
    margin-top: 80px;
}

.trg-problem-group {
    margin-bottom: 40px;
}

.trg-problem-group:last-child {
    margin-bottom: 0;
}

.trg-problem-group-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--trg-border);
}

.trg-problem-group-title {
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 800;
    color: var(--trg-text);
}

.trg-view-all--small {
    margin-left: auto;
    font-size: 11px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--trg-text);
    padding-bottom: 1px;
}

.trg-problem-list {
    display: flex;
    flex-direction: column;
}

.trg-problem-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    align-items: baseline;
    gap: 24px;
    padding: 16px 0;
    color: var(--trg-text);
    border-bottom: 1px solid var(--trg-border);
    transition: padding var(--transition);
}

.trg-problem-item:last-child {
    border-bottom: none;
}

.trg-problem-item:hover {
    opacity: 1;
    padding-left: 12px;
}

.trg-problem-title {
    font-family: var(--serif);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.2px;
    transition: color var(--transition);
}

.trg-problem-item:hover .trg-problem-title {
    color: var(--trg-accent);
}

.trg-problem-tags {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--trg-text-muted);
    text-align: right;
}

/* Difficulty badges — minimal text labels */
.trg-difficulty {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--sans);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    width: 70px;
    padding: 4px 0;
    text-align: center;
    border-top: 2px solid;
    border-bottom: 1px solid;
}

.trg-difficulty--easy   { color: #166534; border-color: #166534; }
.trg-difficulty--medium { color: #92400E; border-color: #92400E; }
.trg-difficulty--hard   { color: #991B1B; border-color: #991B1B; }

/* ══════════════════════════════════════════════════
   Filter chips
   ══════════════════════════════════════════════════ */
.trg-filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--trg-border);
}

.trg-filter-label {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--trg-text-muted);
    margin-right: 6px;
}

.trg-filter-chip {
    display: inline-block;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--trg-border);
    color: var(--trg-text);
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition);
}

.trg-filter-chip:hover {
    border-color: var(--trg-text);
    opacity: 1;
}

.trg-filter-chip--active {
    background: var(--trg-text);
    border-color: var(--trg-text);
    color: var(--trg-bg);
}

/* ══════════════════════════════════════════════════
   Difficulty sections (Problems archive)
   ══════════════════════════════════════════════════ */
.trg-difficulty-section {
    margin-bottom: 56px;
}

.trg-difficulty-section-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--trg-rule);
}

.trg-difficulty-section-title {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -0.4px;
    color: var(--trg-text);
}

.trg-difficulty-section-count {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--trg-text-muted);
    margin-left: auto;
}

/* ══════════════════════════════════════════════════
   Archive header
   ══════════════════════════════════════════════════ */
.trg-archive-header {
    padding: 64px 0 48px;
    border-bottom: 2px solid var(--trg-rule);
    margin-bottom: 48px;
    text-align: center;
}

.trg-archive-label {
    display: inline-block;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--trg-accent);
    margin-bottom: 16px;
}

.trg-archive-title {
    font-family: var(--serif);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
    color: var(--trg-text);
}

.trg-archive-desc {
    font-family: var(--body-serif);
    font-size: 18px;
    font-style: italic;
    color: var(--trg-text-secondary);
    line-height: 1.5;
    margin: 0 auto 16px;
    max-width: 680px;
}

.trg-archive-count {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--trg-text-muted);
}

/* ══════════════════════════════════════════════════
   Single Article — Magazine layout
   ══════════════════════════════════════════════════ */
.trg-article-layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: 56px 32px 80px;
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 64px;
    align-items: start;
}

.trg-article {
    min-width: 0;
    background: var(--trg-paper);
    padding: 56px 64px 64px;
    border: 1px solid var(--trg-border);
}

.trg-article-hero {
    margin: -56px -64px 40px;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.trg-article-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.trg-article .trg-article-hero.trg-gen-cover {
    margin: -56px -64px 40px;
    aspect-ratio: 16 / 9;
}

/* Article content */
.trg-article-content {
    font-family: var(--body-serif);
    font-size: 19px;
    line-height: 1.7;
    color: var(--trg-text);
    max-width: 680px;
    margin: 0 auto;
}

/* Drop cap on first paragraph */
.trg-article-content > p:first-of-type::first-letter {
    font-family: var(--serif);
    font-size: 5.5em;
    font-weight: 900;
    line-height: 0.85;
    float: left;
    margin: 0.05em 0.12em 0 0;
    color: var(--trg-text);
}

.trg-article-content h2 {
    font-family: var(--serif);
    font-size: 32px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin: 56px 0 16px;
    padding: 0;
    border: none;
    color: var(--trg-text);
}

.trg-article-content h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.25;
    margin: 40px 0 12px;
}

.trg-article-content p {
    margin-bottom: 24px;
}

.trg-article-content ul,
.trg-article-content ol {
    margin: 0 0 24px 24px;
    font-family: var(--body-serif);
}

.trg-article-content li {
    margin-bottom: 10px;
    padding-left: 8px;
}

.trg-article-content li::marker {
    color: var(--trg-text-muted);
}

.trg-article-content blockquote {
    margin: 32px -32px;
    padding: 32px;
    border-top: 2px solid var(--trg-rule);
    border-bottom: 2px solid var(--trg-rule);
    font-family: var(--serif);
    font-size: 26px;
    font-weight: 400;
    font-style: italic;
    line-height: 1.35;
    color: var(--trg-text);
    text-align: center;
}

.trg-article-content img {
    margin: 32px 0;
    width: 100%;
}

.trg-article-content a {
    color: var(--trg-text);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color var(--transition);
}

.trg-article-content a:hover {
    color: var(--trg-accent);
    opacity: 1;
}

.trg-article-content code {
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    background: var(--trg-bg);
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.85em;
    color: var(--trg-accent);
}

.trg-article-content pre {
    background: #1A1A1A;
    color: #F0F0F0;
    padding: 24px 28px;
    overflow-x: auto;
    margin: 28px 0;
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 14px;
    line-height: 1.65;
    border-left: 3px solid var(--trg-accent);
}

.trg-article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Code wrapper with copy button */
.trg-code-wrap {
    position: relative;
    margin: 28px 0;
}

.trg-code-wrap pre {
    margin: 0;
}

.trg-copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.08);
    color: #F0F0F0;
    border: 1px solid rgba(255,255,255,0.2);
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition);
}

.trg-code-wrap:hover .trg-copy-btn {
    opacity: 1;
}

.trg-copy-btn:hover {
    background: rgba(255,255,255,0.15);
}

.trg-copy-btn--copied {
    background: rgba(34,197,94,0.2);
    color: #4ADE80;
    opacity: 1 !important;
}

@media (max-width: 640px) {
    .trg-copy-btn { opacity: 1; }
}

/* Tags */
.trg-article-tags {
    margin: 48px 0 0;
    padding-top: 24px;
    border-top: 1px solid var(--trg-border);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.trg-tag {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--trg-border);
    color: var(--trg-text);
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition);
}

.trg-tag:hover {
    background: var(--trg-text);
    color: var(--trg-bg);
    border-color: var(--trg-text);
    opacity: 1;
}

/* Share buttons */
.trg-share {
    margin-top: 40px;
    padding: 24px 0 0;
    border-top: 1px solid var(--trg-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.trg-share-label {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--trg-text-muted);
}

.trg-share-buttons {
    display: flex;
    gap: 8px;
}

.trg-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: transparent;
    color: var(--trg-text);
    border: 1px solid var(--trg-text);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.trg-share-btn:hover {
    background: var(--trg-text);
    color: var(--trg-bg);
    opacity: 1;
}

.trg-share-btn--copied {
    background: var(--trg-accent) !important;
    color: white !important;
    border-color: var(--trg-accent) !important;
}

/* ══════════════════════════════════════════════════
   Sidebar
   ══════════════════════════════════════════════════ */
.trg-sidebar-sticky {
    position: sticky;
    top: 96px;
}

.trg-sidebar-title {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--trg-accent);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--trg-rule);
    margin-bottom: 0;
}

.trg-sidebar-list {
    display: flex;
    flex-direction: column;
}

.trg-sidebar-item {
    display: block;
    padding: 16px 0;
    color: var(--trg-text);
    border-bottom: 1px solid var(--trg-border);
}

.trg-sidebar-item:last-child {
    border-bottom: none;
}

.trg-sidebar-item:hover {
    opacity: 1;
}

.trg-sidebar-item-title {
    font-family: var(--serif);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.2px;
    margin-bottom: 6px;
    color: var(--trg-text);
    display: block;
    transition: color var(--transition);
}

.trg-sidebar-item:hover .trg-sidebar-item-title {
    color: var(--trg-post-color, var(--trg-accent));
}

.trg-sidebar-item-date {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--trg-text-muted);
}

/* ══════════════════════════════════════════════════
   Comments
   ══════════════════════════════════════════════════ */
.trg-comments {
    margin-top: 56px;
    padding-top: 48px;
    border-top: 2px solid var(--trg-rule);
}

.trg-comments-header {
    margin-bottom: 32px;
}

.trg-comments-title {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.trg-comments-subtitle {
    font-family: var(--body-serif);
    font-size: 15px;
    font-style: italic;
    color: var(--trg-text-secondary);
}

.trg-comments-list {
    list-style: none;
    margin: 0 0 40px;
    padding: 0;
}

.trg-comment {
    list-style: none;
    margin-bottom: 24px;
}

.trg-comment .children {
    list-style: none;
    margin: 16px 0 0 32px;
    padding: 0;
    border-left: 2px solid var(--trg-border);
    padding-left: 24px;
}

.trg-comment-inner {
    display: flex;
    gap: 16px;
    padding: 24px 0;
    border-bottom: 1px solid var(--trg-border);
}

.trg-comment-avatar img {
    border-radius: 50%;
    width: 44px;
    height: 44px;
}

.trg-comment-body { flex: 1; min-width: 0; }

.trg-comment-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.trg-comment-author {
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 700;
    color: var(--trg-text);
}

.trg-comment-date {
    font-family: var(--sans);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--trg-text-muted);
}

.trg-comment-content {
    font-family: var(--body-serif);
    font-size: 16px;
    line-height: 1.6;
    color: var(--trg-text);
    margin-bottom: 8px;
}

.trg-comment-content p { margin-bottom: 10px; }
.trg-comment-content p:last-child { margin-bottom: 0; }

.trg-comment-footer {
    display: flex;
    gap: 16px;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.trg-comment-reply a, .trg-comment-edit {
    color: var(--trg-text);
    border-bottom: 1px solid var(--trg-text);
    padding-bottom: 1px;
}

.trg-comment.bypostauthor .trg-comment-inner {
    background: var(--trg-bg);
    padding: 24px;
    border: 1px solid var(--trg-border);
}

/* Comment Form */
#respond {
    background: var(--trg-bg);
    padding: 32px;
    border: 1px solid var(--trg-border);
    margin-top: 32px;
}

.comment-reply-title {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 24px;
}

.comment-reply-title small {
    font-family: var(--sans);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-left: 12px;
}

.trg-comment-logged-in {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--trg-paper);
    border: 1px solid var(--trg-border);
    font-family: var(--sans);
    font-size: 13px;
    margin-bottom: 20px;
}

.trg-comment-logged-in img { border-radius: 50%; width: 28px; height: 28px; }
.trg-comment-logged-in span { flex: 1; }
.trg-comment-logged-in strong { font-weight: 700; }

.trg-comment-logout {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--trg-text);
    padding: 4px 10px;
}

.logged-in-as { display: none; }

.trg-comment-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.trg-comment-field {
    margin-bottom: 16px;
}

.trg-comment-row .trg-comment-field { margin-bottom: 0; }

.trg-comment-field label {
    display: block;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    color: var(--trg-text-muted);
}

.trg-comment-field input,
.trg-comment-field textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--sans);
    font-size: 15px;
    background: var(--trg-paper);
    border: 1px solid var(--trg-border);
    color: var(--trg-text);
    transition: border-color var(--transition);
}

.trg-comment-field input:focus,
.trg-comment-field textarea:focus {
    outline: none;
    border-color: var(--trg-text);
}

.trg-comment-field textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.trg-comment-field input::placeholder,
.trg-comment-field textarea::placeholder {
    color: var(--trg-text-muted);
    font-style: italic;
}

.trg-comment-cookies {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0 20px;
    font-family: var(--body-serif);
    font-size: 14px;
    color: var(--trg-text-secondary);
}

.trg-comment-cookies input {
    width: 16px;
    height: 16px;
    accent-color: var(--trg-text);
}

.trg-comment-notes {
    font-family: var(--body-serif);
    font-size: 14px;
    font-style: italic;
    color: var(--trg-text-secondary);
    margin-bottom: 20px;
}

.form-submit {
    margin: 0;
    display: flex;
    justify-content: flex-end;
}

.trg-comment-submit,
input[type="submit"].trg-comment-submit {
    background: var(--trg-text);
    color: var(--trg-bg);
    padding: 12px 28px;
    border: none;
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: background var(--transition);
}

.trg-comment-submit:hover {
    background: var(--trg-accent);
}

.trg-comments-closed {
    background: var(--trg-bg);
    padding: 24px;
    text-align: center;
    color: var(--trg-text-muted);
    font-style: italic;
    font-family: var(--body-serif);
    border: 1px solid var(--trg-border);
}

/* Markdown Editor */
.trg-editor {
    border: 1px solid var(--trg-border);
    background: var(--trg-paper);
    transition: border-color var(--transition);
}

.trg-editor:focus-within {
    border-color: var(--trg-text);
}

.trg-editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--trg-bg);
    border-bottom: 1px solid var(--trg-border);
}

.trg-editor-tools {
    display: flex;
    gap: 2px;
}

.trg-editor-tabs {
    display: flex;
    align-items: center;
    background: var(--trg-paper);
    border: 1px solid var(--trg-border);
    padding: 2px;
}

.trg-tab-btn {
    background: transparent;
    border: none;
    padding: 4px 12px;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--trg-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.trg-tab-btn:hover { color: var(--trg-text); }

.trg-tab-btn--active {
    background: var(--trg-text);
    color: var(--trg-bg);
}

.trg-fmt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--trg-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.trg-fmt-btn:hover {
    background: var(--trg-paper);
    color: var(--trg-text);
}

.trg-editor-divider {
    width: 1px;
    height: 18px;
    background: var(--trg-border);
    margin: 0 4px;
}

.trg-editor textarea {
    border: none !important;
    background: var(--trg-paper) !important;
    font-family: var(--sans) !important;
    min-height: 120px;
}

.trg-editor textarea:focus { outline: none; }

.trg-editor-pane--preview {
    display: none;
    padding: 16px;
    min-height: 120px;
    font-family: var(--body-serif);
    font-size: 15px;
    line-height: 1.6;
}

.trg-editor--preview .trg-editor-pane--write { display: none; }
.trg-editor--preview .trg-editor-pane--preview { display: block; }
.trg-editor--preview .trg-editor-tools { opacity: 0.4; pointer-events: none; }

.trg-preview-empty {
    color: var(--trg-text-muted);
    font-style: italic;
}

.trg-editor-pane--preview pre {
    background: #1A1A1A;
    color: #F0F0F0;
    padding: 14px;
    overflow-x: auto;
    font-family: ui-monospace, monospace;
    font-size: 13px;
}

.trg-editor-pane--preview code {
    background: var(--trg-bg);
    color: var(--trg-accent);
    padding: 2px 6px;
    font-family: ui-monospace, monospace;
    font-size: 0.88em;
}

.trg-editor-pane--preview blockquote {
    border-left: 3px solid var(--trg-rule);
    padding: 8px 16px;
    margin: 12px 0;
    font-style: italic;
}

.trg-editor-pane--preview ul {
    margin: 8px 0 8px 20px;
}

.trg-editor-pane--preview a {
    color: var(--trg-text);
    text-decoration: underline;
}

.trg-editor-help {
    padding: 8px 14px;
    font-family: ui-monospace, monospace;
    font-size: 11px;
    color: var(--trg-text-muted);
    background: var(--trg-bg);
    border-top: 1px solid var(--trg-border);
}

.trg-comment-content pre {
    background: #1A1A1A;
    color: #F0F0F0;
    padding: 14px;
    overflow-x: auto;
    font-family: ui-monospace, monospace;
    font-size: 13px;
}

.trg-comment-content code {
    background: var(--trg-bg);
    color: var(--trg-accent);
    padding: 2px 6px;
    font-family: ui-monospace, monospace;
    font-size: 0.88em;
}

.trg-comment-content blockquote {
    border-left: 3px solid var(--trg-rule);
    padding: 8px 16px;
    margin: 12px 0;
    font-style: italic;
}

/* ══════════════════════════════════════════════════
   Pagination
   ══════════════════════════════════════════════════ */
.trg-pagination {
    margin-top: 56px;
    text-align: center;
}

.trg-pagination .nav-links {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.trg-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 14px;
    background: transparent;
    border: 1px solid var(--trg-border);
    color: var(--trg-text);
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition);
}

.trg-pagination .page-numbers:hover {
    background: var(--trg-text);
    color: var(--trg-bg);
    border-color: var(--trg-text);
    opacity: 1;
}

.trg-pagination .page-numbers.current {
    background: var(--trg-text);
    color: var(--trg-bg);
    border-color: var(--trg-text);
}

/* ══════════════════════════════════════════════════
   Empty state
   ══════════════════════════════════════════════════ */
.trg-empty {
    text-align: center;
    padding: 80px 24px;
    border: 1px dashed var(--trg-border);
}

.trg-empty h3 {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.trg-empty p {
    font-family: var(--body-serif);
    font-style: italic;
    color: var(--trg-text-secondary);
}

/* ══════════════════════════════════════════════════
   Static page
   ══════════════════════════════════════════════════ */
.trg-page {
    max-width: 760px;
    margin: 0 auto;
    padding: 64px 32px 80px;
}

.trg-page-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--trg-rule);
}

.trg-page-title {
    font-family: var(--serif);
    font-size: clamp(40px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -1px;
}

.trg-page-content {
    font-family: var(--body-serif);
    font-size: 18px;
    line-height: 1.7;
    color: var(--trg-text);
}

.trg-page-content p {
    margin-bottom: 22px;
}

.trg-page-content h2 {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 800;
    margin: 40px 0 14px;
}

.trg-page-content h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    margin: 32px 0 10px;
}

.trg-page-content a {
    color: var(--trg-text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.trg-page-content a:hover {
    color: var(--trg-accent);
    opacity: 1;
}

.trg-page-content ul {
    margin: 0 0 22px 24px;
}

.trg-page-content li {
    margin-bottom: 8px;
}

/* ══════════════════════════════════════════════════
   Footer — Newspaper style
   ══════════════════════════════════════════════════ */
.trg-footer {
    background: var(--trg-text);
    color: var(--trg-bg);
    margin-top: 0;
    border-top: 4px solid var(--trg-rule);
}

.trg-footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 64px 32px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 56px;
}

.trg-footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.trg-footer-brand .trg-logo-text {
    font-family: var(--serif);
    font-size: 24px;
    color: var(--trg-bg);
}

.trg-footer-brand .trg-logo-the {
    color: rgba(250, 250, 247, 0.6);
}

.trg-footer-brand .trg-logo-text strong {
    color: var(--trg-bg);
}

.trg-footer-brand p {
    font-family: var(--body-serif);
    font-size: 15px;
    line-height: 1.6;
    color: rgba(250, 250, 247, 0.7);
    max-width: 320px;
    font-style: italic;
}

.trg-footer-links h4 {
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(250, 250, 247, 0.5);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(250, 250, 247, 0.15);
}

.trg-footer-nav { list-style: none; }

.trg-footer-nav li {
    margin-bottom: 10px;
}

.trg-footer-nav li a {
    font-family: var(--sans);
    font-size: 14px;
    color: rgba(250, 250, 247, 0.85);
    transition: color var(--transition);
}

.trg-footer-nav li a:hover {
    color: var(--trg-bg);
    opacity: 1;
}

.trg-footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 32px;
    border-top: 1px solid rgba(250, 250, 247, 0.1);
    text-align: center;
    font-family: var(--sans);
    font-size: 12px;
    color: rgba(250, 250, 247, 0.4);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* ══════════════════════════════════════════════════
   Generated cover (no featured image)
   ══════════════════════════════════════════════════ */
.trg-gen-cover {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    overflow: hidden;
}

.trg-gen-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.12) 1px, transparent 1px);
    background-size: 22px 22px;
    pointer-events: none;
    z-index: 1;
}

.trg-gen-cover--blue   { background: linear-gradient(135deg, #1E3A8A, #1E40AF); }
.trg-gen-cover--purple { background: linear-gradient(135deg, #581C87, #6B21A8); }
.trg-gen-cover--indigo { background: linear-gradient(135deg, #312E81, #3730A3); }
.trg-gen-cover--teal   { background: linear-gradient(135deg, #134E4A, #115E59); }
.trg-gen-cover--rose   { background: linear-gradient(135deg, #881337, #9F1239); }
.trg-gen-cover--slate  { background: linear-gradient(135deg, #1E293B, #0F172A); }

.trg-gen-cover-icon {
    width: 64px;
    height: 64px;
    position: relative;
    z-index: 2;
}

.trg-gen-cover-text {
    font-family: var(--serif);
    color: white;
    font-size: 22px;
    font-weight: 800;
    text-align: center;
    padding: 0 24px;
    line-height: 1.2;
    max-width: 85%;
    position: relative;
    z-index: 2;
    letter-spacing: -0.3px;
}

/* Lead/hero variants get bigger */
.trg-lead-img.trg-gen-cover .trg-gen-cover-icon { width: 96px; height: 96px; }
.trg-lead-img.trg-gen-cover .trg-gen-cover-text { font-size: 32px; max-width: 80%; }

.trg-article-hero.trg-gen-cover { aspect-ratio: 16 / 9; }
.trg-article-hero.trg-gen-cover .trg-gen-cover-icon { width: 88px; height: 88px; }
.trg-article-hero.trg-gen-cover .trg-gen-cover-text { font-size: 28px; max-width: 75%; }

/* ══════════════════════════════════════════════════
   Language Tabs (in problems)
   ══════════════════════════════════════════════════ */
.trg-lang-tabs {
    margin: 32px 0;
    border: 1px solid var(--trg-border);
    background: var(--trg-paper);
}

.trg-lang-tab-list {
    display: flex;
    background: var(--trg-bg);
    border-bottom: 1px solid var(--trg-border);
    overflow-x: auto;
}

.trg-lang-tab {
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--trg-text-muted);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.trg-lang-tab:hover { color: var(--trg-text); }

.trg-lang-tab--active {
    color: var(--trg-text);
    border-bottom-color: var(--trg-text);
    background: var(--trg-paper);
}

.trg-lang-panel { display: none; }
.trg-lang-panel--active { display: block; }

.trg-lang-panel pre {
    margin: 0 !important;
    border: none !important;
    border-left: none !important;
}

/* ══════════════════════════════════════════════════
   Search results
   ══════════════════════════════════════════════════ */
.trg-search-results {
    padding: 64px 0 48px;
}

.trg-search-heading {
    font-family: var(--serif);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.trg-search-heading span {
    color: var(--trg-accent);
    font-style: italic;
}

.trg-search-count {
    font-family: var(--sans);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--trg-text-muted);
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--trg-rule);
}

.trg-search-list {
    display: flex;
    flex-direction: column;
}

.trg-search-item {
    display: block;
    padding: 28px 0;
    color: var(--trg-text);
    border-bottom: 1px solid var(--trg-border);
}

.trg-search-item:hover { opacity: 1; }

.trg-search-item-title {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.3px;
    margin-bottom: 8px;
    transition: color var(--transition);
}

.trg-search-item:hover .trg-search-item-title {
    color: var(--trg-post-color, var(--trg-accent));
}

.trg-search-item-excerpt {
    font-family: var(--body-serif);
    font-size: 16px;
    line-height: 1.55;
    color: var(--trg-text-secondary);
    margin-bottom: 8px;
}

.trg-search-item-date {
    font-family: var(--sans);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--trg-text-muted);
}

/* ══════════════════════════════════════════════════
   Author/avatar (legacy class, kept for safety)
   ══════════════════════════════════════════════════ */
.trg-author {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--sans);
    font-size: 13px;
}

.trg-author img { border-radius: 50%; }

.trg-cat {
    display: inline-block;
    padding: 3px 8px;
    background: var(--trg-text);
    color: var(--trg-bg);
    font-family: var(--sans);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.trg-date,
.trg-reading-time {
    font-family: var(--sans);
    font-size: 12px;
    color: var(--trg-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ══════════════════════════════════════════════════
   Widgets (legacy, just in case)
   ══════════════════════════════════════════════════ */
.trg-widget { margin-bottom: 32px; }
.trg-widget-title {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--trg-rule);
}

/* ══════════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .trg-lead-link { grid-template-columns: 1fr; gap: 32px; }
    .trg-article-layout { grid-template-columns: 1fr; gap: 48px; }
    .trg-sidebar-sticky { position: static; }
    .trg-card-list { grid-template-columns: repeat(2, 1fr); }
    .trg-card-item:nth-child(3n) { border-right: 1px solid var(--trg-border); }
    .trg-card-item:nth-child(2n) { border-right: none; }
    .trg-article { padding: 40px 32px 48px; }
    .trg-article-hero, .trg-article .trg-article-hero.trg-gen-cover { margin: -40px -32px 32px; }
    .trg-article-content blockquote { margin: 32px -16px; padding: 24px 16px; font-size: 22px; }
}

@media (max-width: 720px) {
    .trg-header-inner { padding: 0 20px; height: 64px; }
    .trg-logo-text { font-size: 20px; }
    .trg-logo-icon { width: 32px; height: 32px; }
    .trg-nav { display: none; }
    .trg-menu-toggle { display: flex; }

    .trg-nav--open {
        display: block;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--trg-bg);
        border-bottom: 2px solid var(--trg-rule);
        padding: 20px;
    }

    .trg-nav--open .trg-nav-list {
        flex-direction: column;
        gap: 0;
    }

    .trg-nav--open .trg-nav-list li a {
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid var(--trg-border);
    }

    .trg-main { padding: 0 20px 60px; }
    .trg-lead { margin: 32px 0 56px; padding-bottom: 40px; }
    .trg-card-list { grid-template-columns: 1fr; }
    .trg-card-item { border-right: none !important; padding: 24px 20px; }

    .trg-problem-item { grid-template-columns: 60px 1fr; gap: 16px; }
    .trg-problem-tags { display: none; }

    .trg-difficulty { width: 60px; font-size: 9px; }

    .trg-article-layout { padding: 32px 20px 60px; gap: 40px; }
    .trg-article { padding: 32px 24px 40px; }
    .trg-article-hero, .trg-article .trg-article-hero.trg-gen-cover { margin: -32px -24px 28px; }
    .trg-article-content { font-size: 17px; }
    .trg-article-content > p:first-of-type::first-letter { font-size: 4.5em; }
    .trg-article-content blockquote { margin: 24px -8px; font-size: 18px; padding: 20px 16px; }

    .trg-footer-inner { grid-template-columns: 1fr; gap: 40px; padding: 48px 24px; }
    .trg-share { flex-direction: column; align-items: flex-start; }

    .trg-comment-row { grid-template-columns: 1fr; gap: 16px; }
    .trg-comment-row .trg-comment-field { margin-bottom: 16px; }

    .trg-section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}