.essay-meta {
    font-size: 0.85rem;
    color: var(--fg);
    margin-bottom: 1rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* Individual essay styles */
.essay {
    max-width: 680px;
    margin: 0 auto;
}

.essay h1 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    margin: 0 0 0.5rem 0;
    line-height: 1.2;
    font-weight: 500;
}

.essay .essay-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-mid);
}

.author-mark {
    flex-shrink: 0;
}

.essay-content {
    line-height: 1.7;
    font-size: 1.05rem;
    hanging-punctuation: first last;
}

.essay-content h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.essay-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-size: 1.35rem;
    font-weight: 500;
}

.essay-content p {
    margin-top: 1.25rem;
    margin-bottom: 0;
}

.essay-content p + p {
    text-indent: 2em;
    margin-top: 0;
}

.essay-content p.standalone {
    text-indent: 0;
    margin-top: 1.25rem;
}

.essay-content strong {
    font-weight: 600;
    color: var(--fg);
}

.essay-content em {
    font-style: italic;
    color: var(--fg);
}

.essay-content code {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.15rem 0.4rem;
    border-radius: 2px;
    font-family: 'IBM Plex Mono', 'SF Mono', 'Consolas', monospace;
    font-size: 0.85em;
    color: #dedede;
}

.essay-content pre {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-mid);
    padding: 1.25rem 1.5rem;
    border-radius: 0;
    overflow-x: auto;
    margin: 1.75rem 0;
    line-height: 1.6;
    position: relative;
}

.essay-content pre code::before {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.15rem 0.5rem;
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--border-mid);
    font-family: 'IBM Plex Mono', monospace;
}

.essay-content pre code.language-phase::before { content: 'Phase'; }
.essay-content pre code.language-error::before { content: 'Error'; }
.essay-content pre code.language-tokens::before { content: 'Tokens'; }
.essay-content pre code.language-ast::before { content: 'AST'; }
.essay-content pre code.language-hex::before { content: 'Hex'; }
.essay-content pre code.language-asm::before { content: 'Bytecode'; }
.essay-content pre code.language-none::before { content: 'Output'; }

.essay-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    color: #e4e4e4;
}

.syn-kw   { color: #ff4d8a; }
.syn-type { color: #e05555; }
.syn-str  { color: #5cb8ff; }
.syn-num  { color: #c0a0f0; }
.syn-fn   { color: #2de370; }
.syn-cmt  { color: #7a8496; font-style: italic; }
.syn-pink { color: #ff6b9d; }
.syn-cyan { color: #5cb8ff; }
.syn-grn  { color: #50d07d; }
.syn-red  { color: #e05555; }
.syn-amb  { color: #e8a655; }
.syn-hex  { color: #ffd000; }

.essay-content ul,
.essay-content ol {
    margin: 1.25rem 0;
    padding-left: 1.75rem;
}

.essay-content li {
    margin: 0.75rem 0;
    line-height: 1.6;
}



.essay-content .katex-diagram {
    display: flex;
    justify-content: center;
    margin: 1.6rem 0;
    overflow-x: visible;
    width: 100%;
}

.essay-content .katex-diagram .katex-display {
    margin: 0;
    width: max-content;
    max-width: 100%;
}

.essay-content li::marker {
    color: var(--fg);
}

.essay-content blockquote {
    margin: 1.75rem 0;
    padding-left: 1.5rem;
    border-left: 3px solid var(--border-strong);
    font-style: italic;
    opacity: 0.9;
}

.essay-content a {
    color: var(--link);
    border-bottom: 1px solid var(--link-underline);
}

.essay-content a:hover {
    color: var(--link-hover);
    border-color: var(--link-hover);
}


@media (max-width: 640px) {
    .essay h1 {
        font-size: 1.75rem;
    }

    .essay-content {
        font-size: 1rem;
    }

    .essay-content h2 {
        font-size: 1.5rem;
        margin-top: 2.5rem;
    }

    .essay-content h3 {
        font-size: 1.25rem;
    }

    .essay-content .katex-diagram {
        font-size: 0.85rem;
    }
}