/* =========================================
   Blog CSS — blog listing + single post
   ========================================= */

/* ---- Page wrapper ---- */
.blog-page {
    font-family: 'Inter', 'Helvetica Neue', system-ui, sans-serif;
    background-color: #DFFAAA;
    color: #111111;
    min-height: 100vh;
}

/* nav wrapper must not force a full viewport height on blog pages */
.blog-page .main-container {
    min-height: auto;
}

body.dark .blog-page,
.blog-page.dark {
    background-color: #141414;
    color: #f0f0ee;
}

/* ---- Back link — matches project-back style exactly ---- */
.blog-back {
    position: fixed;
    top: 1.5rem;
    left: 1.75rem;
    z-index: 200;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary, #717182);
    text-decoration: none;
    transition: color 0.2s ease, gap 0.2s ease;
}

.blog-back:hover {
    color: var(--text-primary, #000);
    gap: 0.65rem;
}

.blog-back .material-icons-round {
    font-size: 16px;
}

/* ---- Content wrapper ---- */
.blog-content {
    max-width: 740px;
    margin: 0 auto;
    padding: 13rem 2.5rem 6rem;
}

/* Single post page: card matches navbar width + 20px */
.blog-page .blog-content:has(.post-card) {
    max-width: calc(var(--nav-max-width) + 20px);
}

/* ---- Page header ---- */
.blog-header {
    margin-bottom: 3rem;
}

.blog-header h1 {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: #0a192f;
    margin-bottom: 0.5rem;
}

body.dark .blog-header h1 {
    color: #f8fafc;
}

.blog-header .blog-subtitle {
    font-size: 1.0625rem;
    color: #717182;
    font-weight: 400;
}

body.dark .blog-header .blog-subtitle {
    color: #94a3b8;
}

/* ---- Post card list ---- */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.blog-card {
    display: block;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 18px;
    padding: 1.5rem 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.blog-card:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

body.dark .blog-card {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark .blog-card:hover {
    background: rgba(255, 255, 255, 0.10);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.blog-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #0a192f;
    margin-bottom: 0.35rem;
    line-height: 1.3;
}

body.dark .blog-card-title {
    color: #f8fafc;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: #717182;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
}

body.dark .blog-card-meta {
    color: #94a3b8;
}

.blog-card-summary {
    font-size: 0.9375rem;
    color: #525252;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

body.dark .blog-card-summary {
    color: #94a3b8;
}

/* ---- Tag chips (shared between card and post) ---- */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.blog-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: #e8f5e9;
    color: #2a9d8f;
    letter-spacing: 0.01em;
}

body.dark .blog-tag {
    background: #1a2e2b;
    color: #4db6ac;
}

/* ---- Empty state ---- */
.blog-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: #717182;
}

body.dark .blog-empty {
    color: #64748b;
}

.blog-empty p {
    font-size: 1.0625rem;
    margin-bottom: 0.5rem;
}

/* =========================================
   Single Post Page
   ========================================= */

/* Glass card wrapper for the post */
.post-card {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 24px;
    padding: 2.75rem 3rem;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.07);
}

body.dark .post-card {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
}

@media (max-width: 640px) {
    .post-card {
        padding: 1.75rem 1.5rem;
        border-radius: 18px;
    }
}

/* Hero cover image */
.post-cover {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 14px;
    margin-bottom: 2.5rem;
    display: block;
}

/* Post header */
.post-header {
    margin-bottom: 2.5rem;
}

.post-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: #0a192f;
    margin-bottom: 1rem;
}

body.dark .post-title {
    color: #f8fafc;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.post-date {
    font-size: 0.875rem;
    color: #717182;
    font-weight: 500;
}

body.dark .post-date {
    color: #94a3b8;
}

/* Post prose content */
.post-body {
    font-size: 1rem;
    line-height: 1.8;
    color: #2d2d2d;
}

body.dark .post-body {
    color: #cbd5e1;
}

.post-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem;
    color: #0a192f;
    letter-spacing: -0.02em;
}

body.dark .post-body h2 {
    color: #f8fafc;
}

.post-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 1.75rem 0 0.6rem;
    color: #0a192f;
}

body.dark .post-body h3 {
    color: #f8fafc;
}

.post-body p {
    margin-bottom: 1.25rem;
}

.post-body a {
    color: #2a9d8f;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-body a:hover {
    opacity: 0.75;
}

.post-body ul,
.post-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.25rem;
}

.post-body li {
    margin-bottom: 0.4rem;
}

.post-body blockquote {
    border-left: 3px solid #2a9d8f;
    padding-left: 1.25rem;
    color: #717182;
    font-style: italic;
    margin: 1.5rem 0;
}

body.dark .post-body blockquote {
    color: #94a3b8;
    border-left-color: #4db6ac;
}

.post-body pre {
    background: #1e2a3a;
    color: #e2e8f0;
    padding: 1.25rem 1.5rem;
    border-radius: 10px;
    overflow-x: auto;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.post-body code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    background: rgba(0, 0, 0, 0.06);
    padding: 0.15em 0.35em;
    border-radius: 4px;
}

body.dark .post-body code {
    background: rgba(255, 255, 255, 0.08);
}

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

.post-body img {
    max-width: 100%;
    border-radius: 10px;
    margin: 1.5rem 0;
    display: block;
}

.post-body hr {
    border: none;
    border-top: 1px solid #e5e5e5;
    margin: 2.5rem 0;
}

body.dark .post-body hr {
    border-top-color: #2a2a2a;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .blog-content {
        padding: 9rem 1.25rem 4rem;
    }

    .blog-header {
        margin-bottom: 2rem;
    }

    .blog-header h1 {
        font-size: 2rem;
    }

    .blog-card {
        padding: 1.125rem 1.25rem;
        border-radius: 12px;
    }

    .blog-card-title {
        font-size: 1rem;
    }

    .blog-card-summary {
        font-size: 0.875rem;
    }

    .post-title {
        font-size: 1.85rem;
    }

    .post-body {
        font-size: 0.9625rem;
    }

    .post-body pre {
        font-size: 0.8rem;
        padding: 1rem;
    }

    .blog-back {
        top: 1rem;
        left: 1rem;
    }
}