theme.css

:root,
[data-theme="paper"] {
    --bg: #f5eee2;
    --bg-dot: #d9cfbd;
    --surface: #fff9ee;
    --ink: #1f2430;
    --ink-soft: #3a3f4b;
    --muted: #5b5f6b;
    --accent: #e4572e;
    --accent-text: #bc3d19;
    color-scheme: light;
    --sticker: #f2c14e;
    --rule: #1f2430;
    --rule-soft: #1f2430;
    --line-weight: 2px;
    --radius-card: 16px;
    --radius-chip: 999px;
    --radius-button: 10px;
    --shadow-card: 4px 4px 0 var(--ink);
    --shadow-button: 3px 3px 0 var(--ink);
    --font-body: "Karla", "Gill Sans", "Trebuchet MS", sans-serif;
    --font-display: "Bricolage Grotesque", "Avenir Next", "Trebuchet MS", sans-serif;
    --font-mono: "Space Mono", "Menlo", "Courier New", monospace;
    --gutter: 96px;
    --code-bg: #1f2430;
    --code-ink: #f5eee2;
    --code-shadow: 4px 4px 0 var(--accent);
    --chip: #d8e8e4;
}

[data-theme="terminal"] {
    color-scheme: dark;
    --bg: #0c100d;
    --bg-dot: transparent;
    --surface: #0c100d;
    --ink: #cfd8c9;
    --ink-soft: #9fb0a3;
    --muted: #718275;
    --accent: #7CFF9B;
    --accent-text: #7CFF9B;
    --sticker: transparent;
    --rule: #23302a;
    --rule-soft: #16201a;
    --line-weight: 1px;
    --radius-card: 0;
    --radius-chip: 0;
    --radius-button: 0;
    --shadow-card: none;
    --shadow-button: none;
    --font-body: "IBM Plex Mono", "Menlo", "Courier New", monospace;
    --font-display: "IBM Plex Mono", "Menlo", "Courier New", monospace;
    --font-mono: "IBM Plex Mono", "Menlo", "Courier New", monospace;
    --bright: #e8f0e4;
    --cyan: #9fd0ff;
    --code-bg: #101711;
    --code-ink: #cfd8c9;
    --code-shadow: none;
    --chip: transparent;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0 0 64px 0;
    background-color: var(--bg);
    background-image: radial-gradient(var(--bg-dot) 1.2px, transparent 1.2px);
    background-size: 22px 22px;
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 17px;
}

a {
    color: var(--ink);
    text-decoration: none;
}

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

[data-theme="terminal"] a {
    color: var(--accent);
}

[data-theme="terminal"] a:hover {
    color: var(--bg);
    background: var(--accent);
}

.terminal-only {
    display: none;
}

[data-theme="terminal"] .terminal-only {
    display: inline;
}

[data-theme="terminal"] .paper-only {
    display: none;
}

.screen-overlay {
    display: none;
}

[data-theme="terminal"] .screen-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.16) 0px, rgba(0, 0, 0, 0.16) 2px, transparent 2px, transparent 4px);
}

[data-theme="terminal"] .screen-vignette {
    background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.45) 100%);
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px var(--gutter);
    border-bottom: var(--line-weight) solid var(--rule);
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 28px;
}

.site-nav {
    display: flex;
    gap: 22px;
    font-size: 17px;
    font-weight: 700;
}

.site-nav a.current {
    border-bottom: 3px solid var(--accent);
}

.contact-chips {
    display: flex;
    gap: 8px;
}

.chip {
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 6px 10px;
    border: var(--line-weight) solid var(--ink);
    border-radius: var(--radius-chip);
    background: var(--surface);
    color: var(--ink);
}

.theme-switch:hover {
    color: var(--bg);
    background: var(--accent);
    border-color: var(--accent);
}

.theme-switch:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

.theme-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 6px 12px;
    border: var(--line-weight) solid var(--ink);
    border-radius: var(--radius-chip);
    background: var(--ink);
    color: var(--bg);
    cursor: pointer;
}

[data-theme="terminal"] .site-header {
    padding: 22px var(--gutter);
    font-size: 14px;
}

[data-theme="terminal"] .site-nav {
    font-size: 14px;
    font-weight: 400;
    gap: 18px;
}

[data-theme="terminal"] .site-nav a,
[data-theme="terminal"] .chip {
    text-transform: lowercase;
}

[data-theme="terminal"] .site-nav a::before,
[data-theme="terminal"] .chip::before {
    content: "[";
}

[data-theme="terminal"] .site-nav a::after,
[data-theme="terminal"] .chip::after {
    content: "]";
}

[data-theme="terminal"] .site-nav a.current {
    border-bottom: none;
    color: var(--bg);
    background: var(--accent);
    padding: 2px 8px;
}

[data-theme="terminal"] .contact-chips {
    gap: 18px;
    font-size: 14px;
}

[data-theme="terminal"] .chip {
    padding: 0;
    border: none;
    background: none;
    font-size: 14px;
    color: var(--accent);
}

[data-theme="terminal"] .chip:hover {
    color: var(--bg);
    background: var(--accent);
}

[data-theme="terminal"] .theme-switch {
    padding: 4px 10px;
    border: 1px solid var(--accent);
    background: none;
    color: var(--accent);
    font-size: 14px;
}

.hero {
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: 88px var(--gutter) 56px var(--gutter);
}

.hero .contact-chips {
    display: none;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--muted);
}

.hero-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 96px;
    line-height: 0.95;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero-lede {
    margin: 0;
    max-width: 620px;
    font-size: 21px;
    line-height: 1.5;
    color: var(--ink-soft);
}

.cursor {
    display: none;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

[data-theme="terminal"] .hero {
    padding-top: 72px;
    padding-bottom: 0;
    gap: 18px;
}

[data-theme="terminal"] .hero-title {
    font-size: 72px;
    line-height: 1.02;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--bright);
}

[data-theme="terminal"] .hero-lede {
    max-width: 760px;
    font-size: 18px;
    line-height: 1.65;
}

[data-theme="terminal"] .cursor {
    display: inline-block;
    width: 0.6em;
    height: 1.05em;
    background: var(--accent);
    vertical-align: -0.15em;
    margin-left: 4px;
    animation: blink 1.1s steps(1) infinite;
}

.notes-head {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 0 var(--gutter) 40px var(--gutter);
}

.notes-head h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.notes-rule {
    flex-grow: 1;
    height: 0;
    border-top: 3px dashed var(--rule);
}

.button {
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 8px 14px;
    border: var(--line-weight) solid var(--ink);
    border-radius: var(--radius-button);
    background: var(--sticker);
    color: var(--ink);
    box-shadow: var(--shadow-button);
}

[data-theme="terminal"] .notes-head {
    padding-top: 64px;
    padding-bottom: 10px;
    gap: 10px;
}

[data-theme="terminal"] .notes-head h2 {
    font-size: 15px;
    font-weight: 400;
    letter-spacing: normal;
    color: var(--muted);
}

[data-theme="terminal"] .notes-rule {
    display: none;
}

[data-theme="terminal"] .button {
    border: 1px solid var(--accent);
    background: none;
    color: var(--accent);
    box-shadow: none;
    font-size: 14px;
    padding: 4px 10px;
}

[data-theme="terminal"] .button:hover {
    color: var(--bg);
    background: var(--accent);
}

.notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    padding: 0 var(--gutter);
}

.note {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    align-items: center;
    gap: 14px;
    padding: 28px;
    background: var(--surface);
    border: var(--line-weight) solid var(--ink);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    color: var(--ink);
    transition: transform .15s ease-out, box-shadow .15s ease-out;
}

.note:hover {
    color: var(--ink);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
}

.note-date {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--muted);
}

.note-tag {
    background: var(--chip);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: var(--radius-chip);
    border: var(--line-weight) solid var(--ink);
}

.note-body {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.note-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 30px;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.note-excerpt {
    margin: 0;
    font-size: 17px;
    line-height: 1.55;
    color: var(--ink-soft);
}

.note-more {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-text);
}

.notes-columns {
    display: none;
}

[data-theme="terminal"] .notes {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    font-size: 15px;
}

[data-theme="terminal"] .notes-columns {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 24px;
    padding: 8px 0;
    border-bottom: 1px dashed var(--rule);
    color: var(--muted);
    font-size: 15px;
}

[data-theme="terminal"] .note {
    grid-template-columns: 130px minmax(0, 1fr);
    grid-template-rows: auto;
    gap: 24px;
    align-items: baseline;
    padding: 14px 0;
    border: none;
    border-bottom: 1px solid var(--rule-soft);
    border-radius: 0;
    background: none;
    box-shadow: none;
    color: var(--ink);
}

[data-theme="terminal"] .note:hover {
    transform: none;
    box-shadow: none;
    background: none;
}

[data-theme="terminal"] .note:hover .note-title {
    color: var(--bg);
    background: var(--accent);
}

[data-theme="terminal"] .note-tag {
    padding: 0;
    border: none;
    color: var(--cyan);
    font-size: 15px;
}

[data-theme="terminal"] .note-tag::before {
    content: "#";
}

[data-theme="terminal"] .note-body {
    grid-column: auto;
    gap: 6px;
}

[data-theme="terminal"] .note-title {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: normal;
    color: var(--bright);
    align-self: flex-start;
    padding: 0 4px;
    margin-left: -4px;
}

[data-theme="terminal"] .note-excerpt {
    font-size: 15px;
    line-height: 1.55;
}

[data-theme="terminal"] .note-more {
    display: none;
}

.post {
    max-width: 820px;
    margin: 72px auto 0 auto;
}

.post-head {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.back-link {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.post-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 64px;
    line-height: 1.02;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--muted);
}

.post-body {
    margin-top: 40px;
    font-size: 20px;
    line-height: 1.65;
    color: var(--ink-soft);
}

.post-body a {
    color: var(--accent-text);
    border-bottom: 2px solid var(--accent);
}

.post-body a:hover {
    color: var(--ink);
    border-bottom-color: var(--ink);
}

.post-body h2,
.post-body h3,
.post-body h4 {
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 40px 0 0 0;
}

.post-body h2 { font-size: 34px; }
.post-body h3 { font-size: 26px; }
.post-body h4 { font-size: 21px; }

.post-body img {
    max-width: 100%;
    height: auto;
    border: var(--line-weight) solid var(--ink);
    border-radius: 10px;
}

.post-hero {
    display: block;
    width: 100%;
    margin-bottom: 24px;
}

.post-body blockquote {
    margin: 0;
    padding: 4px 0 4px 24px;
    border-left: 6px solid var(--accent);
    font-family: var(--font-display);
    font-size: 22px;
    line-height: 1.5;
    color: var(--ink);
}

.post-body figure.highlight,
.post-body div.highlighter-rouge {
    margin: 32px 0;
}

.post-body pre {
    margin: 0;
    padding: 22px 26px;
    background: var(--code-bg);
    color: var(--code-ink);
    border: var(--line-weight) solid var(--ink);
    border-radius: 14px;
    box-shadow: var(--code-shadow);
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1.6;
    overflow: auto;
}

.post-body code {
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.post-body pre code {
    font-size: inherit;
}

.post-body a:has(> img) {
    border-bottom: none;
}

.post-body table {
    display: block;
    overflow-x: auto;
    border-collapse: collapse;
}

[data-theme="terminal"] .post-title {
    font-size: 48px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--bright);
}

[data-theme="terminal"] .post-body {
    font-size: 17px;
    line-height: 1.7;
}

[data-theme="terminal"] .post-body h2 { font-size: 24px; }
[data-theme="terminal"] .post-body h3 { font-size: 20px; }
[data-theme="terminal"] .post-body h4 { font-size: 17px; }

[data-theme="terminal"] .post-body h2,
[data-theme="terminal"] .post-body h3,
[data-theme="terminal"] .post-body h4 {
    font-weight: 600;
    letter-spacing: normal;
    color: var(--bright);
}

[data-theme="terminal"] .post-body blockquote {
    font-size: 17px;
    color: var(--bright);
}

[data-theme="terminal"] .post-body img {
    border: 1px solid var(--rule);
    border-radius: 0;
}

[data-theme="terminal"] .post-body pre {
    border: 1px solid var(--accent);
    border-radius: 0;
}

[data-theme="terminal"] .post-body a {
    border-bottom: none;
}

[data-theme="terminal"] .post-body a:hover {
    color: var(--bg);
    background: var(--accent);
}

.share-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 56px;
    padding-top: 24px;
    border-top: 3px dashed var(--rule);
}

.share-label {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.share-spacer {
    flex-grow: 1;
}

.post-next {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-text);
}

.share-row .button {
    background: var(--surface);
}

[data-theme="terminal"] .share-row {
    border-top: 1px dashed var(--rule);
}

[data-theme="terminal"] .share-label::before {
    content: "$ ";
}

.post-extras,
.centered {
    text-align: center;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin: 72px var(--gutter) 0 var(--gutter);
    padding-top: 24px;
    border-top: var(--line-weight) solid var(--rule);
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--muted);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--muted);
}

[data-theme="terminal"] .footer-links a {
    color: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
    [data-theme="terminal"] .cursor {
        animation: none;
    }

    .note {
        transition: none;
    }

    .note:hover {
        transform: none;
    }
}

@media (max-width: 900px) {
    :root,
    [data-theme="paper"],
    [data-theme="terminal"] {
        --gutter: 20px;
    }

    body {
        padding-bottom: 40px;
    }

    .site-header {
        padding: 18px var(--gutter);
        gap: 10px;
    }

    .header-tools {
        gap: 10px;
    }

    .site-nav {
        font-size: 15px;
        gap: 16px;
    }

    .header-tools .contact-chips {
        display: none;
    }

    .theme-switch {
        font-size: 11px;
        padding: 4px 10px;
    }

    .notes-head .button {
        display: none;
    }

    .theme-prefix {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
    }

    .hero {
        padding: 36px var(--gutter) 8px var(--gutter);
        gap: 16px;
    }

    .hero-title {
        font-size: 46px;
        line-height: 0.98;
    }

    .hero-lede {
        font-size: 17px;
    }

    .hero .contact-chips {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .hero .chip {
        padding: 8px 12px;
    }

    .notes-head {
        padding: 28px var(--gutter) 16px var(--gutter);
        gap: 12px;
    }

    .notes-head h2 {
        font-size: 24px;
    }

    .notes {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }

    .note {
        padding: 18px;
        gap: 10px;
        border-radius: 14px;
    }

    .note-body {
        gap: 10px;
    }

    .note-title {
        font-size: 22px;
    }

    .note-excerpt {
        font-size: 15px;
    }

    .post {
        margin-top: 36px;
        padding: 0 var(--gutter);
    }

    .post-title {
        font-size: 34px;
    }

    .post-body {
        font-size: 17px;
    }

    .post-body h2 { font-size: 24px; }
    .post-body h3 { font-size: 20px; }

    .site-footer {
        margin-top: 36px;
        font-size: 11px;
    }

    [data-theme="terminal"] .hero {
        padding-top: 36px;
    }

    [data-theme="terminal"] .theme-switch {
        font-size: 11px;
    }

    [data-theme="terminal"] .site-nav {
        font-size: 13px;
        gap: 12px;
    }

    [data-theme="terminal"] .hero .contact-chips {
        gap: 12px;
    }

    [data-theme="terminal"] .hero .chip {
        padding: 0;
    }

    [data-theme="terminal"] .hero-title {
        font-size: 34px;
    }

    [data-theme="terminal"] .notes-columns {
        display: none;
    }

    [data-theme="terminal"] .note {
        grid-template-columns: minmax(0, 1fr);
        gap: 6px;
        padding: 14px 0;
    }

    [data-theme="terminal"] .post-title {
        font-size: 30px;
    }
}