/* ========================================
   konfarm.gr — Blog Stylesheet
   Colors: Tree green (#2d5016), warm off-white (#faf8f5)
   Typography: Georgia/Noto Serif body, system sans headings
   ======================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --green: #2d5016;
    --green-light: #3a6b1e;
    --green-pale: #e8f0e2;
    --bg: #faf8f5;
    --bg-card: #ffffff;
    --text: #2c2c2c;
    --text-light: #666666;
    --text-lighter: #999999;
    --border: #e5e2de;
    --border-light: #f0ede8;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 8px;
    --max-width: 1100px;
    --content-width: 720px;
}

html {
    font-size: 18px;
    scroll-behavior: smooth;
}

body {
    font-family: Georgia, 'Noto Serif', 'Times New Roman', serif;
    line-height: 1.8;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--green);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--green-light);
}

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

/* --- Container --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Header --- */
.site-header {
    border-bottom: 3px solid var(--green);
    background: var(--bg-card);
    padding: 1.2rem 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-logo {
    text-decoration: none;
    color: var(--text);
}

.site-logo h1 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--green);
    margin: 0;
    line-height: 1.2;
}

.site-subtitle {
    font-size: 0.8rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.3;
}

/* Navigation */
.site-nav .nav-list {
    display: flex;
    list-style: none;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.site-nav .nav-list a {
    display: block;
    padding: 0.4rem 0.8rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.85rem;
    color: var(--text);
    border-radius: var(--radius);
    transition: background 0.2s, color 0.2s;
}

.site-nav .nav-list a:hover,
.site-nav .nav-list a.active {
    background: var(--green-pale);
    color: var(--green);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: transform 0.3s;
}

/* --- Main --- */
.site-main {
    min-height: 60vh;
    padding: 2.5rem 0;
}

/* --- Posts Grid --- */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.8rem;
}

/* --- Post Card --- */
.post-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s, transform 0.3s;
}

.post-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.post-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.post-card-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.post-card:hover .post-card-image img {
    transform: scale(1.03);
}

.post-card-body {
    padding: 1.2rem 1.4rem;
}

.post-card-category {
    display: inline-block;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--green);
    background: var(--green-pale);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.post-card-title {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.post-card-excerpt {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-date {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.75rem;
    color: var(--text-lighter);
}

/* --- Single Post --- */
.single-post {
    max-width: var(--content-width);
    margin: 0 auto;
}

.post-header {
    margin-bottom: 2rem;
    text-align: center;
}

.post-category-tag {
    display: inline-block;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--green);
    background: var(--green-pale);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    margin-bottom: 0.8rem;
}

.post-title {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
}

.post-date {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.85rem;
    color: var(--text-lighter);
}

.post-featured-image {
    margin-bottom: 2rem;
    border-radius: var(--radius);
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
}

/* --- Prose (article content) --- */
.prose {
    font-size: 1.1rem;
    line-height: 1.85;
}

.prose p {
    margin-bottom: 1.4rem;
}

.prose h2 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.prose h3 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.8rem;
}

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

.prose blockquote {
    border-left: 4px solid var(--green);
    padding: 0.8rem 1.2rem;
    margin: 1.5rem 0;
    background: var(--green-pale);
    font-style: italic;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.prose ul, .prose ol {
    margin: 1rem 0 1.4rem 1.5rem;
}

.prose li {
    margin-bottom: 0.4rem;
}

.prose a {
    color: var(--green);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.prose strong {
    font-weight: 700;
}

.post-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.back-link {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.9rem;
    color: var(--green);
}

/* --- Page Titles --- */
.page-title {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.page-description {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* --- Search --- */
.search-form {
    display: flex;
    gap: 0.8rem;
    max-width: 600px;
    margin: 1.5rem 0 2rem;
}

.search-form input {
    flex: 1;
    padding: 0.7rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    transition: border-color 0.2s;
}

.search-form input:focus {
    outline: none;
    border-color: var(--green);
}

.search-form button {
    padding: 0.7rem 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    background: var(--green);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.2s;
}

.search-form button:hover {
    background: var(--green-light);
}

.search-results-count {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

.pagination-link {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.pagination-link:hover {
    background: var(--green-pale);
    border-color: var(--green);
}

.pagination-info {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.85rem;
    color: var(--text-lighter);
}

/* --- About --- */
.about-page .about-content {
    max-width: var(--content-width);
}

/* --- Error Page --- */
.error-page {
    text-align: center;
    padding: 4rem 0;
}

.error-page h1 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 5rem;
    font-weight: 700;
    color: var(--green);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.error-page p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* --- Empty State --- */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

/* --- Footer --- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.8rem;
    color: var(--text-lighter);
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.8rem;
    color: var(--text-lighter);
}

.footer-links a:hover {
    color: var(--green);
}

/* --- Mobile --- */
@media (max-width: 768px) {
    html {
        font-size: 16px;
    }

    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-toggle {
        display: flex;
        position: absolute;
        top: 1.2rem;
        right: 1.5rem;
    }

    .site-nav .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
    }

    .site-nav .nav-list.open {
        display: flex;
    }

    .site-nav .nav-list a {
        padding: 0.6rem 0;
        font-size: 1rem;
    }

    .posts-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .post-title {
        font-size: 1.6rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .search-form {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .post-card-body {
        padding: 1rem;
    }
}