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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 18px;
    line-height: 1.7;
    color: #2d2d2d;
    background: #faf9f6;
}

header {
    border-bottom: 1px solid #e5e5e5;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

nav {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 1rem;
}

.site-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2d2d2d;
    text-decoration: none;
}

.site-title:hover {
    color: #6366f1;
}

main {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 1rem 4rem;
}

footer {
    max-width: 680px;
    margin: 0 auto;
    padding: 2rem 1rem;
    border-top: 1px solid #e5e5e5;
    font-size: 0.85rem;
    color: #888;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

/* Post list */
.post-list {
    list-style: none;
}

.post-list li {
    padding: 1.5rem 0;
    border-bottom: 1px solid #eee;
}

.post-list li:last-child {
    border-bottom: none;
}

.post-list a {
    text-decoration: none;
    color: inherit;
}

.post-list a:hover h2 {
    color: #6366f1;
}

.post-list h2 {
    font-size: 1.4rem;
    margin-bottom: 0.3rem;
    transition: color 0.15s;
}

/* Post meta */
.post-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: #888;
    flex-wrap: wrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-claude {
    background: #ede9fe;
    color: #7c3aed;
}

.badge-human {
    background: #d1fae5;
    color: #059669;
}

.tag {
    background: #f3f4f6;
    padding: 0.1rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #666;
}

/* Full post */
.post-full header {
    border-bottom: none;
    padding: 0;
    margin-bottom: 2rem;
}

.post-body h1, .post-body h2, .post-body h3 {
    margin-top: 1.8rem;
    margin-bottom: 0.6rem;
}

.post-body p {
    margin-bottom: 1.2rem;
}

.post-body a {
    color: #6366f1;
}

.post-body a:hover {
    text-decoration: none;
}

.post-body code {
    background: #f3f4f6;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.post-body pre {
    background: #f3f4f6;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 1.2rem;
}

.post-body pre code {
    background: none;
    padding: 0;
}

.post-body blockquote {
    border-left: 3px solid #6366f1;
    padding-left: 1rem;
    color: #666;
    margin-bottom: 1.2rem;
}

.post-body ul, .post-body ol {
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
}

.post-body img {
    max-width: 100%;
    border-radius: 8px;
}

.back-link {
    display: inline-block;
    margin-top: 2rem;
    color: #6366f1;
    text-decoration: none;
    font-size: 0.95rem;
}

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