/* macXserver - shares the oldsilicon clean-light look */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --accent-primary: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-x: #2563eb;          /* the X in macXserver, matches site accent */
    --accent-claude: #16a34a;     /* green sidebar for Claude responses in deep dives */
    --border-color: #dee2e6;
    --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'acumin-pro', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Courier New', monospace;
    --font-sans: var(--font-body);
    --max-width: 1200px;
    --content-width: 800px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 7rem;
}

@media (min-width: 769px) {
    html { scroll-padding-top: 13.5rem; }
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container.narrow {
    max-width: var(--content-width);
}

/* Header */
.site-header {
    background: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

@media (min-width: 769px) {
    .site-header .container {
        flex-direction: column;
        align-items: stretch;
        gap: 0.7rem;
    }
    .site-nav {
        border-top: 1px solid var(--border-color);
        padding-top: 0.4rem;
        margin-left: -1.5rem;
        margin-right: -1.5rem;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .site-nav-row {
        flex-wrap: wrap;
        justify-content: flex-start;
        margin-left: -0.75rem;
    }
}

.site-branding {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.site-logo {
    font-family: var(--font-heading);
    text-decoration: none;
    font-size: 2.25rem;
    font-weight: 300;
    line-height: 1.1;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
}

.site-logo .logo-text {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.site-logo .logo-icon {
    width: 2.4rem;
    height: 2.4rem;
    vertical-align: middle;
    flex-shrink: 0;
}

.site-logo .logo-x {
    color: var(--accent-x);
    font-weight: 500;
}

.site-logo:hover { color: var(--accent-primary); }
.site-logo:hover .logo-x { color: var(--accent-primary); }

.site-tagline {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.3;
    color: var(--text-secondary);
    margin: 0;
}

.site-nav {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.site-nav-row {
    display: flex;
    gap: 0.25rem;
}

.site-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--accent-primary);
    background: rgba(37, 99, 235, 0.08);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin: -0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.2s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Main */
.site-main {
    min-height: calc(100vh - 200px);
    padding: 1rem 0 2rem;
}

/* Home pitch */
.home-pitch {
    max-width: none;
    margin: 1.5rem 0 2rem;
    text-align: left;
}

.home-pitch p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 0.85rem;
}

.home-pitch p strong {
    color: var(--text-primary);
}

.home-h1 {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Hero image */
.hero-image {
    margin: 0 0 2.5rem 0;
    padding: 0;
}

.hero-image img,
.hero-placeholder {
    width: 100%;
    height: auto;
    display: block;
}

/* Home hero gets the card treatment so it pops against the page bg.
   Detail-page screenshots already have their own native window shadow
   captured in the image, so we leave them bare to avoid double shadows
   and the "screenshot in a frame" look. */
body.home .hero-image img,
.hero-placeholder {
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

body.home .hero-image img {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18), 0 4px 8px rgba(0, 0, 0, 0.08);
}

.hero-placeholder {
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 1rem;
}

.hero-placeholder small {
    font-size: 0.85rem;
}

.hero-image figcaption {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    text-align: center;
}

@media (max-width: 768px) {
    body.home .hero-image img,
    .hero-placeholder {
        border-radius: 8px;
    }
}

/* Stats strip */
.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    padding: 1.5rem;
    margin: 0 0 3rem 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.stats-strip .stat {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stats-strip .stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1;
}

.stats-strip .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .stats-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    .stats-strip .stat-value { font-size: 1.5rem; }
}

/* Home sections */
.home-section {
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: normal;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.section-intro {
    color: var(--text-secondary);
    margin: 0 0 2rem;
}

.section-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.section-link:hover {
    text-decoration: underline;
}

/* Collection grid (oldsilicon-style cards) */
.collection-title {
    font-family: var(--font-heading);
    text-align: center;
    font-size: 2rem;
    font-weight: 300;
    margin: 0 0 1rem;
    color: var(--text-primary);
}

.collection-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 1.75rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

a.collection-item {
    display: block;
    text-align: center;
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 1rem 1rem 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
    cursor: pointer;
}

a.collection-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.collection-image-link {
    display: block;
    margin-bottom: 1rem;
}

.collection-image-link img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    aspect-ratio: 16/10;
    object-fit: cover;
    object-position: top left;
    background: var(--bg-secondary);
    display: block;
}

.card-placeholder {
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 1rem;
    text-align: center;
}

.collection-item-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 300;
    margin: 0 0 0.75rem;
    color: var(--text-primary);
    transition: color 0.2s ease;
}

a.collection-item:hover .collection-item-title {
    color: var(--accent-primary);
}

.collection-item-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 900px) {
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .collection-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .collection-title { font-size: 1.5rem; }
}

/* Ledger CTA */
.ledger-cta { text-align: center; }
.ledger-cta .section-link { font-size: 1.05rem; }

/* Page headers (interior pages) */
.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 300;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.page-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin: 0;
}

.day-meta-chip {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0.75rem 0 0;
    padding: 0.4rem 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    display: inline-block;
}

/* Breadcrumb */
.breadcrumb {
    font-size: 0.875rem;
    margin: 1.5rem 0 1rem;
}

.breadcrumb a {
    color: var(--accent-primary);
    text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .separator { color: var(--text-muted); margin: 0 0.5rem; }
.breadcrumb .current { color: var(--text-muted); }

/* Prose */
.prose {
    max-width: var(--content-width);
    margin: 0 auto;
}

.prose h1, .prose h2, .prose h3, .prose h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.prose h2 {
    font-size: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.prose h3 { font-size: 1.25rem; }

.prose p { margin-bottom: 1.25rem; }

.prose a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.prose a:hover { color: var(--accent-hover); }

.prose img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
    display: block;
}

.prose figure figcaption {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    text-align: center;
}

.prose ul, .prose ol {
    padding-left: 1.5rem;
    margin-bottom: 1.25rem;
}

.prose li { margin-bottom: 0.5rem; }

.prose blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-primary);
    font-style: italic;
    color: var(--text-secondary);
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.prose th, .prose td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.prose th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.prose code {
    font-family: var(--font-mono);
    background: var(--bg-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.875em;
}

.prose pre {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.prose pre code {
    background: none;
    padding: 0;
    color: #ffb000;
}

/* Ledger layout (long page with side nav) */
.ledger-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    align-items: start;
}

.ledger-nav {
    position: sticky;
    top: 7rem;
    align-self: start;
}

@media (min-width: 769px) {
    .ledger-nav { top: 13.5rem; }
}

.ledger-nav h4 {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0 0 0.75rem;
}

.ledger-nav ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.25rem;
}

.ledger-nav li { margin: 0; }

.ledger-nav a {
    display: block;
    text-align: center;
    padding: 0.35rem 0;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.15s ease;
}

.ledger-nav a:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.ledger-prose {
    max-width: none;
}

.ledger-prose h2 {
    scroll-margin-top: 7rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-top: 3rem;
}

@media (min-width: 769px) {
    .ledger-prose h2 { scroll-margin-top: 13.5rem; }
}

.ledger-prose h2 .day-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
    margin-left: 0.5rem;
}

@media (max-width: 900px) {
    .ledger-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .ledger-nav {
        position: static;
        margin-bottom: 1rem;
    }
    .ledger-nav ol {
        grid-template-columns: repeat(10, 1fr);
    }
}

/* Page footer (interior nav) */
.page-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Site footer */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    text-align: center;
}

.site-footer p {
    margin: 0 0 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.site-footer a {
    color: var(--accent-primary);
    text-decoration: none;
}

.site-footer a:hover { text-decoration: underline; }

/* Wide prose (used on deep-dive single pages where the body should
   fill the container instead of staying in the 800px reading column). */
.prose.prose-wide {
    max-width: none;
    margin: 0;
}

/* Claude responses in conversational deep dives. Green sidebar to
   distinguish from Todd's blockquote question (which uses the site's
   blue accent via .prose blockquote). Same shape, different color. */
.prose .claude-response {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    border-left: 4px solid var(--accent-claude);
}

.prose .claude-response > :first-child {
    margin-top: 0;
}

.prose .claude-response > :last-child {
    margin-bottom: 0;
}

/* Deep-dives list (section index) */
/* The intro keeps prose styling but spans the full container width, matching
   the page header and the post list (not clamped to the reading column). */
.deep-dives-intro {
    max-width: none;
}

.rss-link {
    margin: 0.5rem 0 0;
}

.rss-link a {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.25rem 0.6rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
}

.rss-link a:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.deep-dives-list {
    list-style: none;
    padding: 0;
    margin: 2.5rem 0;
    display: grid;
    gap: 1rem;
}

.deep-dives-list li a {
    display: block;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.deep-dives-list li a:hover {
    border-color: var(--accent-primary);
    background: var(--bg-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.deep-dive-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 300;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.deep-dive-desc {
    color: var(--text-secondary);
    margin: 0 0 0.75rem;
    line-height: 1.55;
}

.deep-dive-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Page list (about etc.) */
.page-list-items {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    display: grid;
    gap: 1rem;
}

.page-list-items li a {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.page-list-items li a:hover {
    border-color: var(--accent-primary);
    background: var(--bg-primary);
}

.page-list-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--text-primary);
}

.page-list-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Article container helpers used by single layouts */
.page-article {
    padding-top: 1rem;
}

.page-article-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 300;
    margin: 0 0 0.5rem;
}

.lede {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin: 0 0 2rem;
}

/* Contact form (Formspree). Same shape as oldsilicon.com's contact form
   so all three Todd sites read as one family. Colors are picked up from
   the site's CSS vars — red on macXcapture, blue on macXserver. */
.contact-form {
    max-width: 500px;
    margin-top: 1.5rem;
}

.contact-form .form-group {
    margin-bottom: 1rem;
}

.contact-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: border-color 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form button {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.contact-form button:hover {
    background: var(--accent-hover);
}

/* Download CTA. Big, accent-colored, leans into the macOS "primary
   action" affordance. Used inline on the home page and on /download/. */
.download-button {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem 2rem;
    background: var(--accent-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.download-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    color: #fff;
    text-decoration: none;
}

.download-button:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
}

.download-button .download-label {
    font-size: 1.1rem;
    line-height: 1.2;
}

.download-button .download-version {
    font-size: 0.78rem;
    font-weight: 400;
    opacity: 0.85;
    letter-spacing: 0.02em;
}

.download-button--unreleased {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    box-shadow: none;
    cursor: default;
}

.download-button--unreleased:hover {
    transform: none;
    box-shadow: none;
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* Wrapper section for the hero CTA so the button gets some breathing room. */
.download-cta {
    text-align: center;
    margin: 1rem 0 2.5rem;
}

.download-cta .download-secondary {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.download-cta .download-secondary a {
    color: var(--text-secondary);
}

/* Mobile nav: collapse the horizontal nav into the hamburger dropdown.
   Desktop-first: base styles above are the desktop nav with the toggle
   hidden; everything here only applies below 769px. */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        padding: 0.75rem 1.5rem 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        z-index: 100;
    }
    .site-nav.active {
        display: flex;
    }
    .site-nav-row {
        flex-direction: column;
    }
}

/* Opcode reference table (deep-dives/x11-opcodes-reference) */

.opcode-section {
    margin: 3rem 0 4rem;
}

.opcode-section h2 {
    margin-bottom: 0.5rem;
}

.opcode-section-intro {
    color: var(--text-secondary);
    max-width: 60ch;
    margin-bottom: 1.5rem;
}

.opcode-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
}

.opcode-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    line-height: 1.5;
}

.opcode-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    text-align: left;
    padding: 0.7rem 0.9rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    z-index: 1;
}

.opcode-table tbody td {
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: top;
}

.opcode-table tbody tr:last-child td {
    border-bottom: none;
}

.opcode-table tbody tr:hover {
    background: var(--bg-secondary);
}

/* Row-tint ramp: scan-at-a-glance "how much is implemented" signal.
   Greens get stronger as coverage gets more complete. */
.opcode-table tbody tr.row-cov-full    { background: #d1fae5; }   /* emerald-100, ~15% */
.opcode-table tbody tr.row-cov-partial { background: #ecfdf5; }   /* emerald-50, ~6%  */
.opcode-table tbody tr.row-cov-stub    { background: #f0fdf4; }   /* green-50, ~3%   */
/* row-cov-none / row-cov-decoded / row-cov-other left untinted (white default) */

.opcode-table tbody tr.row-cov-full:hover    { background: #a7f3d0; }
.opcode-table tbody tr.row-cov-partial:hover { background: #d1fae5; }
.opcode-table tbody tr.row-cov-stub:hover    { background: #dcfce7; }

/* Usage tags + row fade for non-mainstream opcodes.
   wm-only / xset / legacy / obscure tags mark opcodes that almost no real
   client calls. Faded rows still readable, but the eye scans past them. */
.opcode-table tbody tr.usage-faded {
    opacity: 0.55;
}
.opcode-table tbody tr.usage-faded:hover {
    opacity: 1.0;
}

.usage-tag {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0.05rem 0.4rem 0.08rem;
    font-size: 0.7rem;
    line-height: 1.4;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    vertical-align: middle;
    text-transform: lowercase;
    letter-spacing: 0.02em;
    cursor: help;
}

.opcode-table .col-num {
    width: 3.5rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    white-space: nowrap;
}

.opcode-table .col-num a {
    color: inherit;
    text-decoration: none;
}

.opcode-table .col-num a:hover {
    color: var(--accent-primary);
}

.opcode-table .col-name {
    width: 11rem;
    white-space: nowrap;
}

.opcode-table .col-name code {
    background: transparent;
    padding: 0;
    font-size: 0.88rem;
    color: var(--text-primary);
}

.opcode-table .col-cat {
    width: 7rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.opcode-table .col-desc {
    color: var(--text-primary);
    min-width: 24rem;
}

.opcode-table .col-desc p {
    margin: 0;
}

.opcode-table .col-desc p + p {
    margin-top: 0.4rem;
}

.opcode-table .col-cov {
    width: 18rem;
    color: var(--text-secondary);
}

.opcode-table .col-extname {
    width: 11rem;
    white-space: nowrap;
}

.opcode-table .col-extname code {
    background: transparent;
    padding: 0;
}

.opcode-table .col-extpurpose {
    min-width: 22rem;
}

.opcode-table .col-extreq {
    width: 5rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-align: right;
}

.opcode-table .col-extclients {
    width: 14rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.cov-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    font-size: 0.8rem;
    line-height: 1.5;
    font-weight: 500;
    border: 1px solid transparent;
}

.cov-full {
    background: #ecfdf5;
    color: #065f46;
    border-color: #a7f3d0;
}

.cov-partial {
    background: #eff6ff;
    color: #1e40af;
    border-color: #bfdbfe;
}

.cov-stub {
    background: #fffbeb;
    color: #92400e;
    border-color: #fde68a;
}

.cov-none {
    background: var(--bg-secondary);
    color: var(--text-muted);
    border-color: var(--border-color);
}

.cov-decoded {
    background: #f5f3ff;
    color: #5b21b6;
    border-color: #ddd6fe;
}

.cov-other {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.opcode-warn {
    padding: 1rem 1.25rem;
    border: 1px solid #fde68a;
    background: #fffbeb;
    border-radius: 6px;
    color: #92400e;
}

@media (max-width: 768px) {
    .opcode-table {
        font-size: 0.85rem;
    }
    .opcode-table thead th,
    .opcode-table tbody td {
        padding: 0.55rem 0.65rem;
    }
    .opcode-table .col-cat {
        display: none;
    }
    .opcode-table .col-extclients {
        display: none;
    }
}