.writeup-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.back-home {
    font-size: 0.88rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 160ms ease;
}

.back-home:hover {
    color: var(--fg);
}

.writeup-header {
    margin-bottom: 1.8rem;
}

.writeup-header h1 {
    font-family: "Space Grotesk", system-ui, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: none;
    line-height: 1.3;
    margin: 0 0 0.8rem;
}

.writeup-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.writeup-meta time {
    font-size: 0.82rem;
    color: var(--muted);
}

.writeup-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid rgba(185, 76, 255, 0.2);
    color: var(--accent);
    letter-spacing: 0.04em;
}

.writeup-body {
    padding: 1.6rem 1.4rem;
    font-size: 0.92rem;
    line-height: 1.7;
}

.writeup-body h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 2rem 0 0.7rem;
    text-transform: none;
    letter-spacing: 0.02em;
}

.writeup-body h2:first-child {
    margin-top: 0;
}

.writeup-body p {
    margin: 0 0 1rem;
    color: #d0d0dc;
}

.writeup-body a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(185, 76, 255, 0.3);
    transition: border-color 160ms ease;
}

.writeup-body a:hover {
    border-color: var(--accent);
}

.writeup-body ul,
.writeup-body ol {
    margin: 0 0 1rem;
    padding-left: 1.4rem;
    color: #d0d0dc;
}

.writeup-body li {
    margin-bottom: 0.35rem;
}

.writeup-body code {
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.82em;
    background: rgba(255,255,255,0.06);
    padding: 2px 6px;
    border-radius: 4px;
    color: #e2e2f4;
}

.writeup-body pre {
    margin: 0 0 1.2rem;
    padding: 1rem 1.2rem;
    border-radius: 10px;
    background: #0a0a14;
    border: 1px solid var(--border);
    overflow-x: auto;
}

.writeup-body pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 0.8rem;
    line-height: 1.55;
}

.back-link {
    display: inline-block;
    margin: 1.4rem 0;
    font-size: 0.85rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 160ms ease;
}

.back-link:hover {
    color: var(--fg);
}

.writeup-body.card:hover {
    transform: none;
    border-color: var(--border);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.02),
        0 18px 40px rgba(0, 0, 0, 0.7);
}

.writeup-body.card:hover::before {
    opacity: 0.13;
}

@media (max-width: 540px) {
    .writeup-header h1 {
        font-size: 1.2rem;
    }

    .writeup-body {
        padding: 1.2rem 1rem;
        font-size: 0.88rem;
    }
}