/* Ceramique Blog — Modern Design System */

/* ---------- Tokens ---------- */
:root {
    --c-bg: #faf9f7;
    --c-surface: #ffffff;
    --c-text: #1a1a1a;
    --c-text-muted: #6b6b6b;
    --c-accent: #b5651d;
    --c-accent-hover: #8b4513;
    --c-border: #e8e4df;
    --c-hero-bg: #2c1810;
    --c-hero-text: #faf9f7;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-serif: Georgia, 'Times New Roman', serif;
    --max-w: 960px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08);
    --transition: 0.2s ease;
}

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

body {
    font-family: var(--font-sans);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--c-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-accent-hover); }

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

/* ---------- Header ---------- */
header {
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    position: relative;
    
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,.92);
}

.header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--c-text);
    letter-spacing: -0.02em;
}
.logo:hover { color: var(--c-accent); }

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

nav ul a {
    color: var(--c-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}
nav ul a:hover { color: var(--c-text); }

.rss-link {
    font-size: 0.78rem !important;
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
}

/* ---------- Main ---------- */
main {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.82rem;
    color: var(--c-text-muted);
    margin-bottom: 2rem;
    overflow: hidden;
}
.breadcrumb a { color: var(--c-text-muted); flex-shrink: 0; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb svg { opacity: 0.4; flex-shrink: 0; }
.breadcrumb span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

/* ---------- Hero ---------- */
.hero {
    background: var(--c-hero-bg);
    color: var(--c-hero-text);
    padding: 4rem 2rem;
    border-radius: var(--radius);
    margin-bottom: 3rem;
    text-align: center;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.hero-tagline {
    font-size: 1.1rem;
    opacity: 0.8;
    max-width: 520px;
    margin: 0 auto;
}

/* ---------- Sections ---------- */
.section { margin-bottom: 3rem; }

.section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    letter-spacing: -0.02em;
}

.page-header {
    margin-bottom: 2rem;
}
.page-header h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    letter-spacing: -0.02em;
}
.page-header p {
    color: var(--c-text-muted);
    margin-top: 0.5rem;
}

/* ---------- Cards ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-body {
    padding: 1.4rem;
}

.card-body h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    line-height: 1.4;
}
.card-body h3 a { color: var(--c-text); }
.card-body h3 a:hover { color: var(--c-accent); }

.card-body p {
    font-size: 0.9rem;
    color: var(--c-text-muted);
    line-height: 1.6;
    margin-bottom: 0.6rem;
}

.card-body time {
    font-size: 0.78rem;
    color: var(--c-text-muted);
    opacity: 0.7;
}

.card-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--c-accent);
    margin-bottom: 0.5rem;
}

/* ---------- Chips ---------- */
.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.chip {
    display: inline-block;
    padding: 0.45rem 1rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--c-text);
    transition: all var(--transition);
}
.chip:hover {
    background: var(--c-accent);
    color: white;
    border-color: var(--c-accent);
}

.chip-sm {
    padding: 0.25rem 0.7rem;
    font-size: 0.78rem;
}

/* ---------- Article ---------- */
.article-header {
    margin-bottom: 2rem;
}
.article-header h1 {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    line-height: 1.25;
    letter-spacing: -0.03em;
    margin-bottom: 0.8rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.85rem;
    color: var(--c-text-muted);
    margin-bottom: 0.6rem;
}

.article-category {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: var(--c-accent);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

/* ---------- Prose ---------- */
.prose h1, .prose h2, .prose h3 {
    font-family: var(--font-serif);
    margin-top: 2rem;
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
}
.prose h2 { font-size: 1.5rem; }
.prose h3 { font-size: 1.2rem; }

.prose p { margin-bottom: 1.2rem; }

.prose ul, .prose ol {
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
}
.prose li { margin-bottom: 0.3rem; }

.prose blockquote {
    border-left: 3px solid var(--c-accent);
    padding: 0.8rem 1.2rem;
    margin: 1.5rem 0;
    color: var(--c-text-muted);
    font-style: italic;
    background: var(--c-surface);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose code {
    background: #f0ece6;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.88em;
}

.prose pre {
    background: #1a1a1a;
    color: #e8e4df;
    padding: 1.2rem;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin-bottom: 1.5rem;
}
.prose pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.prose hr {
    border: none;
    border-top: 1px solid var(--c-border);
    margin: 2.5rem 0;
}

.prose img {
    border-radius: var(--radius-sm);
    margin: 1.5rem 0;
}

/* ---------- Article footer ---------- */
.article-footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--c-border);
    font-size: 0.82rem;
    color: var(--c-text-muted);
}

/* ---------- Draft banner ---------- */
.draft-banner {
    display: inline-block;
    background: #dc3545;
    color: white;
    padding: 0.3rem 0.9rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
}
.pagination-info {
    font-size: 0.85rem;
    color: var(--c-text-muted);
}

.btn {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    cursor: pointer;
}
.btn-outline {
    border: 1px solid var(--c-border);
    color: var(--c-text);
    background: var(--c-surface);
}
.btn-outline:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

/* ---------- Empty state ---------- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--c-text-muted);
    font-size: 1rem;
}

/* ---------- Footer ---------- */
footer {
    background: var(--c-hero-bg);
    color: var(--c-hero-text);
    margin-top: 4rem;
}

.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem 1.5rem 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.footer-tagline {
    font-size: 0.85rem;
    opacity: 0.7;
    line-height: 1.5;
}

.footer-heading {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.5;
    margin-bottom: 0.8rem;
}

footer ul { list-style: none; }
footer ul li { margin-bottom: 0.4rem; }
footer ul a {
    color: var(--c-hero-text);
    opacity: 0.7;
    font-size: 0.88rem;
    transition: opacity var(--transition);
}
footer ul a:hover { opacity: 1; }

.footer-privacy {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,.1);
    text-align: center;
}
.footer-privacy p {
    font-size: 0.8rem;
    opacity: 0.6;
    letter-spacing: 0.02em;
}

.footer-bottom {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1rem 1.5rem 1.5rem;
    font-size: 0.75rem;
    opacity: 0.4;
    text-align: center;
}

/* ---------- Series ---------- */
.series-banner {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-left: 4px solid var(--c-accent);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
    margin-bottom: 2rem;
}

.series-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    text-decoration: none;
    color: var(--c-text);
}
.series-link:hover { color: var(--c-accent); }

.series-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--c-accent);
    background: rgba(181,101,29,0.08);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.series-progress {
    font-size: 0.8rem;
    color: var(--c-text-muted);
    margin-left: auto;
}

.series-nav {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.6rem;
}

.series-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    transition: transform var(--transition);
}
.series-dot:hover { transform: scale(1.3); }

.series-dot-current { background: var(--c-accent); }
.series-dot-published { background: var(--c-text-muted); }
.series-dot-upcoming { background: var(--c-border); }

/* Series index page - grid */
.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.series-card {
    display: block;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: var(--c-text);
    transition: box-shadow var(--transition), transform var(--transition);
}
.series-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    color: var(--c-text);
}

.series-card-image {
    height: 180px;
    overflow: hidden;
}
.series-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.series-card-body {
    padding: 1.2rem;
}
.series-card-body h2 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}
.series-card-body p {
    font-size: 0.85rem;
    color: var(--c-text-muted);
    line-height: 1.5;
    margin-bottom: 0.6rem;
}
.series-card-count {
    font-size: 0.75rem;
    color: var(--c-accent);
    font-weight: 600;
}

.series-hero-image {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 2rem;
    max-height: 300px;
}
.series-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Series index page - parts */
.series-parts { display: flex; flex-direction: column; gap: 0.8rem; }

.series-part {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    transition: box-shadow var(--transition);
}
.series-part-published:hover { box-shadow: var(--shadow-md); }

.series-part-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-accent);
    min-width: 2rem;
    text-align: center;
    line-height: 1;
    padding-top: 0.2rem;
}

.series-part-body h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.series-part-body h3 a { color: var(--c-text); }
.series-part-body h3 a:hover { color: var(--c-accent); }
.series-part-body p { font-size: 0.85rem; color: var(--c-text-muted); }

.series-part-upcoming { opacity: 0.6; }

/* ---------- Comments ---------- */
.comments-section { margin-top: 3rem; }

.comment {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: 1.2rem;
    margin-bottom: 0.8rem;
}

.comment-reply {
    margin-left: 2rem;
    border-left: 3px solid var(--c-accent);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.comment-author { font-size: 0.95rem; color: var(--c-text); }

.comment-meta {
    font-size: 0.75rem;
    color: var(--c-accent);
    background: rgba(181,101,29,0.08);
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
}

.comment-header time {
    font-size: 0.75rem;
    color: var(--c-text-muted);
    margin-left: auto;
}

.comment-reply-to {
    font-size: 0.78rem;
    color: var(--c-text-muted);
    font-style: italic;
    margin-bottom: 0.4rem;
}

.comment-body {
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    /* Header: horizontal scroll nav, no wrapping */
    .header-inner {
        flex-direction: column;
        gap: 0.4rem;
        padding: 0.7rem 1rem;
    }

    header nav {
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;          /* Firefox */
    }
    header nav::-webkit-scrollbar { display: none; }  /* Chrome/Safari */

    header nav ul {
        gap: 0.6rem;
        flex-wrap: nowrap;
        white-space: nowrap;
        padding-bottom: 2px;            /* prevent clipping */
    }

    header nav ul a {
        font-size: 0.82rem;
        padding: 0.25rem 0;
    }

    /* Main content padding */
    main { padding: 1.5rem 1rem 3rem; }

    /* Hero */
    .hero { padding: 2.5rem 1.2rem; }
    .hero h1 { font-size: 1.8rem; }
    .hero-tagline { font-size: 0.95rem; }

    /* Article */
    .article-header h1 { font-size: 1.5rem; }
    .article-meta { flex-wrap: wrap; gap: 0.4rem; }

    /* Series banner */
    .series-banner { padding: 0.8rem 1rem; }
    .series-link { font-size: 0.9rem; }
    .series-progress { font-size: 0.75rem; margin-left: 0; }
    .series-nav { flex-wrap: wrap; gap: 0.3rem; }
    .series-dot { width: 10px; height: 10px; }

    /* Cards */
    .card-grid { grid-template-columns: 1fr; }
    .series-grid { grid-template-columns: 1fr; }

    /* Breadcrumb */
    .breadcrumb {
        overflow-x: auto;
        flex-wrap: nowrap;
        white-space: nowrap;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    .breadcrumb::-webkit-scrollbar { display: none; }

    /* Footer */
    .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 1rem; }
    .footer-privacy p { font-size: 0.7rem; }

    /* Comments */
    .comment-reply { margin-left: 1rem; }
    .comment-header { gap: 0.4rem; }
    .comment-header time { margin-left: 0; }
}