/* ─── Base ──────────────────────────────────────────────── */
html {
    font-size: 16px;
    position: relative;
    min-height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    color: #333;
    background-color: #f8f9fa;
    margin-bottom: 60px;
}

/* ─── Blog Header ───────────────────────────────────────── */
.blog-header {
    text-align: center;
    padding: 3rem 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    color: white;
}

.blog-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

.blog-header .lead {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ─── Post Cards ────────────────────────────────────────── */
.post-card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.post-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.post-card .card-title a {
    color: #333;
}

.post-card .card-title a:hover {
    color: #667eea;
}

/* ─── Blog Post Detail ──────────────────────────────────── */
.blog-post h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #222;
}

.blog-post header {
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

/* ─── Markdown Body ─────────────────────────────────────── */
.markdown-body {
    line-height: 1.8;
    font-size: 1.05rem;
    color: #333;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #222;
}

.markdown-body h2 {
    border-bottom: 1px solid #eee;
    padding-bottom: 0.3rem;
}

.markdown-body h1 { font-size: 1.8rem; }
.markdown-body h2 { font-size: 1.5rem; }
.markdown-body h3 { font-size: 1.25rem; }

.markdown-body p {
    margin-bottom: 1rem;
}

.markdown-body blockquote {
    border-left: 4px solid #667eea;
    padding: 0.5rem 1rem;
    margin: 1rem 0;
    background: #f0f0ff;
    border-radius: 0 0.25rem 0.25rem 0;
    color: #555;
}

.markdown-body code {
    background: #f0f0f0;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    color: #d63384;
}

.markdown-body pre {
    background: #282c34;
    color: #abb2bf;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.markdown-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    font-size: 0.9rem;
}

.markdown-body img {
    max-width: 100%;
    border-radius: 0.5rem;
    margin: 1rem 0;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid #ddd;
    padding: 0.5rem;
    text-align: left;
}

.markdown-body th {
    background: #f5f5f5;
    font-weight: 600;
}

.markdown-body ul,
.markdown-body ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.markdown-body a {
    color: #667eea;
}

.markdown-body a:hover {
    color: #764ba2;
}

/* ─── Admin ─────────────────────────────────────────────── */
.table th {
    font-weight: 600;
    font-size: 0.9rem;
}

/* ─── Footer ────────────────────────────────────────────── */
.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
    .blog-header h1 { font-size: 1.8rem; }
    .blog-header { padding: 2rem 1rem; }
}