/* ============================================================
   BLOG STYLESHEET — Clean Editorial, Fast, SEO-Friendly
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;0,700;1,400&family=Source+Sans+3:wght@400;500;600&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    --color-bg:         #faf9f7;
    --color-surface:    #ffffff;
    --color-border:     #e8e4de;
    --color-text:       #1a1a1a;
    --color-muted:      #6b6560;
    --color-accent:     #c0392b;
    --color-accent-h:   #96281b;
    --color-link:       #1a1a1a;
    --font-serif:       'Lora', Georgia, serif;
    --font-sans:        'Source Sans 3', system-ui, sans-serif;
    --max-width:        680px;
    --radius:           4px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ---------- Base ---------- */
body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}
a:hover { text-decoration: underline; color: var(--color-accent-h); }

img { max-width: 100%; height: auto; display: block; }

/* ---------- Layout ---------- */
.site-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ---------- Header ---------- */
.site-header {
    border-bottom: 2px solid var(--color-text);
    padding: 1.75rem 0 1.25rem;
    margin-bottom: 2.5rem;
}

.site-header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    text-decoration: none;
}
.site-logo:hover { color: var(--color-accent); text-decoration: none; }

.site-logo span {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    margin-left: 2px;
    vertical-align: super;
}
.site-nav {
  display: flex;
  gap: 1rem;
}
.site-nav a {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
}
.site-nav a:hover { color: var(--color-accent); text-decoration: none; }

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

.post-card {
    border-bottom: 1px solid var(--color-border);
    padding: 2rem 0;
}
.post-card:first-child { padding-top: 0; }
.post-card:last-child { border-bottom: none; }

.post-card-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}

.post-card-title a {
    color: var(--color-text);
    text-decoration: none;
}
.post-card-title a:hover { color: var(--color-accent); }

.post-card-excerpt {
    color: var(--color-muted);
    font-size: 0.97rem;
    line-height: 1.7;
    margin-bottom: 0.9rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1.5px solid currentColor;
    padding-bottom: 1px;
    transition: color 0.15s, border-color 0.15s;
}
.read-more:hover { color: var(--color-accent-h); border-color: var(--color-accent-h); text-decoration: none; }
.read-more::after { content: '→'; font-size: 0.9em; }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 2.5rem 0 1rem;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.2rem;
    height: 2.2rem;
    padding: 0 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 500;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.pagination a { color: var(--color-text); background: var(--color-surface); }
.pagination a:hover { border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }
.pagination .current { background: var(--color-accent); color: #fff; border-color: var(--color-accent); font-weight: 700; }
.pagination .disabled { color: var(--color-border); pointer-events: none; }

/* ---------- Article Page ---------- */
.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.article-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.article-body {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--color-text);
}

.article-body h2,
.article-body h3,
.article-body h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.35;
    margin: 1.8rem 0 0.7rem;
    letter-spacing: -0.015em;
}
.article-body h2 { font-size: 1.35rem; }
.article-body h3 { font-size: 1.15rem; }
.article-body h4 { font-size: 1rem; }

.article-body p { margin-bottom: 1.3rem; }
.article-body p:last-child { margin-bottom: 0; }

.article-body a { color: var(--color-accent); }
.article-body a:hover { color: var(--color-accent-h); }

.article-body ul,
.article-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.3rem;
}
.article-body li { margin-bottom: 0.3rem; }

.article-body blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 0.5rem 0 0.5rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--color-muted);
    font-style: italic;
}

.article-body pre,
.article-body code {
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    background: #f0ede8;
    border-radius: var(--radius);
}
.article-body pre { padding: 1rem; overflow-x: auto; margin-bottom: 1.3rem; }
.article-body code { padding: 0.1em 0.35em; }
.article-body pre code { padding: 0; background: none; }

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-muted);
    text-decoration: none;
    margin-bottom: 1.5rem;
}
.back-link::before { content: '←'; }
.back-link:hover { color: var(--color-accent); text-decoration: none; }

/* ---------- Footer ---------- */
.site-footer {
    margin-top: 3rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-muted);
}

.site-footer a { color: var(--color-muted); }
.site-footer a:hover { color: var(--color-accent); }

/* ---------- 404 ---------- */
.not-found {
    text-align: center;
    padding: 4rem 0;
}
.not-found h1 {
    font-family: var(--font-serif);
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: 0.5rem;
}
.not-found p { color: var(--color-muted); margin-bottom: 1.5rem; }

/* ---------- Admin ---------- */
.admin-wrapper {
    max-width: 600px;
    margin: 3rem auto;
    padding: 0 1.25rem;
}

.admin-card {
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    padding: 2rem;
}

.admin-card h1 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 0.4rem;
}

.form-group small {
    display: block;
    font-size: 0.78rem;
    color: var(--color-muted);
    margin-top: 0.25rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="number"] {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.97rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 0.15s;
    outline: none;
}
.form-group input:focus { border-color: var(--color-accent); }

.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-h); text-decoration: none; color: #fff; }
.btn-secondary { background: transparent; color: var(--color-muted); border: 1.5px solid var(--color-border); }
.btn-secondary:hover { border-color: var(--color-text); color: var(--color-text); text-decoration: none; }

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
}
.alert-success { background: #edf7ed; border: 1px solid #4caf50; color: #2e7d32; }
.alert-error   { background: #fdecea; border: 1px solid #f44336; color: #b71c1c; }

.admin-section { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.admin-section h2 { font-family: var(--font-serif); font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }

.admin-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}
.admin-top-bar a { color: var(--color-muted); }
.admin-top-bar a:hover { color: var(--color-accent); }

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
    .site-header-inner { flex-direction: column; gap: 0.5rem; }
    .article-title { font-size: 1.4rem; }
    .not-found h1 { font-size: 3.5rem; }
    .admin-card { padding: 1.25rem; }
}

/* ============================================================
   UPDATE — Post meta, Author box, Prev/Next, Breadcrumbs
   ============================================================ */

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.15rem;
    margin-bottom: 1.25rem;
    font-size: 0.82rem;
    font-family: var(--font-sans);
}
.bc-link {
    color: var(--color-muted);
    text-decoration: none;
}
.bc-link:hover { color: var(--color-accent); text-decoration: underline; }
.bc-sep {
    color: var(--color-border);
    padding: 0 0.2rem;
    font-size: 0.9em;
}
.bc-current {
    color: var(--color-text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 240px;
}

/* ---------- Post Meta ---------- */
.post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: var(--color-muted);
}
.post-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.post-meta-item svg {
    flex-shrink: 0;
    opacity: 0.65;
}

/* ---------- Author Box ---------- */
.author-box {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 2.5rem;
    padding: 1.25rem;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
}
.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.author-avatar-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    flex-shrink: 0;
    line-height: 1;
}
.author-info { flex: 1; min-width: 0; }
.author-name {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 0.3rem;
}
.author-bio {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin: 0;
}

/* ---------- Article Prev/Next Nav ---------- */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}
.article-nav-prev,
.article-nav-next { min-width: 0; }
.article-nav-next { text-align: right; }

.article-nav a {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-decoration: none;
    padding: 0.75rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.15s, background 0.15s;
}
.article-nav a:hover {
    border-color: var(--color-accent);
    background: var(--color-surface);
    text-decoration: none;
}
.article-nav-next a { align-items: flex-end; }

.article-nav-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--color-accent);
}
.article-nav-title {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- Responsive fixes ---------- */
@media (max-width: 480px) {
    .article-nav { grid-template-columns: 1fr; }
    .article-nav-next { text-align: left; }
    .article-nav-next a { align-items: flex-start; }
    .author-box { flex-direction: column; }
    .bc-current { max-width: 160px; }
}