/* ===== CSS Reset & Variables ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors inspired by the reference image */
    --color-primary: #1a1a1a;
    --color-secondary: #666666;
    --color-background: #fafafa;
    --color-white: #ffffff;
    --color-border: #e5e5e5;
    
    /* Accent colors from the image */
    --accent-green: #7ee787;
    --accent-blue: #a5d8ff;
    --accent-purple: #c9b8ff;
    --accent-coral: #ffb3a7;
    --accent-yellow: #fff3b0;
    --accent-mint: #b8f5e5;
    
    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Container */
    --max-width: 1200px;
}

body.dark-mode {
    --color-primary: #f2f4f8;
    --color-secondary: #c4cad4;
    --color-background: #0f1216;
    --color-white: #171c23;
    --color-border: #2a3340;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-background);
    color: var(--color-primary);
    line-height: 1.6;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* ===== Header & Navigation ===== */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-primary);
}

.theme-toggle-item {
    display: flex;
    align-items: center;
}

.theme-toggle {
    width: 48px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background-color: var(--color-white);
    cursor: pointer;
    position: relative;
    padding: 0;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.theme-toggle-track {
    position: absolute;
    inset: 0;
    border-radius: 999px;
}

.theme-toggle-thumb {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    background-color: var(--color-primary);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

body.dark-mode .theme-toggle-thumb {
    transform: translateX(20px);
    background-color: var(--accent-yellow);
}

.theme-toggle:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* ===== Hero Section ===== */
.main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.hero-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.hero-author {
    font-size: 1.125rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.author-name {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-primary);
    font-style: italic;
}

.hero-description {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-secondary);
    font-size: 1.1rem;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-white);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--color-primary);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.cta-button:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.cta-button-secondary {
    border-color: var(--color-border);
    color: var(--color-secondary);
}

.cta-button-secondary:hover {
    color: var(--color-white);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===== Posts Section ===== */
.posts-section {
    padding: var(--spacing-2xl) 0;
}

.posts-toolbar {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: var(--spacing-sm);
    align-items: end;
    margin-bottom: var(--spacing-sm);
}

.toolbar-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.toolbar-search {
    min-width: 0;
}

.toolbar-label {
    font-size: 0.85rem;
    color: var(--color-secondary);
    font-weight: 500;
}

.toolbar-input,
.toolbar-select,
.toolbar-button {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 0.65rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    background-color: var(--color-white);
}

.toolbar-button {
    cursor: pointer;
    color: var(--color-primary);
    font-weight: 500;
}

.toolbar-input:focus,
.toolbar-select:focus,
.toolbar-button:focus,
.blog-card:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.results-count {
    color: var(--color-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
}

/* ===== Blog Card ===== */
.blog-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.blog-card:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.blog-card:hover .card-image img {
    filter: grayscale(0%);
}

/* Accent color overlay for cards */
.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.15;
    z-index: 1;
    transition: opacity 0.3s ease;
}

.blog-card:hover .card-image::before {
    opacity: 0.25;
}

.blog-card[data-accent="green"] .card-image::before {
    background-color: var(--accent-green);
}

.blog-card[data-accent="blue"] .card-image::before {
    background-color: var(--accent-blue);
}

.blog-card[data-accent="purple"] .card-image::before {
    background-color: var(--accent-purple);
}

.blog-card[data-accent="coral"] .card-image::before {
    background-color: var(--accent-coral);
}

.blog-card[data-accent="yellow"] .card-image::before {
    background-color: var(--accent-yellow);
}

.blog-card[data-accent="mint"] .card-image::before {
    background-color: var(--accent-mint);
}

.card-content {
    padding: var(--spacing-md);
}

.card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    padding: 4px 10px;
    border-radius: 4px;
}

.blog-card[data-accent="green"] .card-category {
    background-color: var(--accent-green);
    color: #1a3d1a;
}

.blog-card[data-accent="blue"] .card-category {
    background-color: var(--accent-blue);
    color: #1a3d5c;
}

.blog-card[data-accent="purple"] .card-category {
    background-color: var(--accent-purple);
    color: #3d1a5c;
}

.blog-card[data-accent="coral"] .card-category {
    background-color: var(--accent-coral);
    color: #5c1a1a;
}

.blog-card[data-accent="yellow"] .card-category {
    background-color: var(--accent-yellow);
    color: #5c4d1a;
}

.blog-card[data-accent="mint"] .card-category {
    background-color: var(--accent-mint);
    color: #1a5c4d;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--color-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--color-secondary);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.card-date {
    font-weight: 500;
}

.card-read-time {
    opacity: 0.8;
}

.empty-state {
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    text-align: center;
    grid-column: 1 / -1;
}

.empty-state h2 {
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-xs);
}

.empty-state p {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-secondary);
    font-size: 0.9rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-links {
        gap: var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .main {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
}

/* ===== Active Navigation Link ===== */
.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== Page Hero (About/Contact) ===== */
.page-hero {
    text-align: center;
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

/* ===== About Page Styles ===== */
.about-content {
    padding-bottom: var(--spacing-2xl);
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.about-image {
    border-radius: 8px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(30%);
    transition: filter 0.3s ease;
}

.about-image:hover img {
    filter: grayscale(0%);
}

.about-name {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.about-role {
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.about-bio {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.about-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.about-mission h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.about-mission p {
    color: var(--color-secondary);
    line-height: 1.7;
    max-width: 700px;
}

/* ===== Contact Page Styles ===== */
.contact-content {
    padding-bottom: var(--spacing-2xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
}

.contact-item {
    margin-bottom: var(--spacing-lg);
}

.contact-item h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.contact-item p,
.contact-item a {
    color: var(--color-secondary);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--color-primary);
}

.contact-social {
    display: flex;
    gap: var(--spacing-xs);
}

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.submit-button:hover {
    background-color: #333333;
}

/* ===== Create Post Page ===== */
.create-post-section {
    padding-bottom: var(--spacing-2xl);
}

.create-post-form {
    max-width: 860px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: var(--spacing-sm);
}

.form-actions .submit-button,
.form-actions .cta-button {
    width: auto;
}

.form-note {
    margin-top: var(--spacing-sm);
    color: var(--color-secondary);
    min-height: 1.2em;
}

.rich-editor {
    width: 100%;
    min-height: 240px;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    background-color: var(--color-white);
}

.rich-editor:focus {
    outline: none;
    border-color: var(--color-primary);
}

.rich-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--color-secondary);
    opacity: 0.8;
}

.editor-hint {
    margin-top: 0.4rem;
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.editor-inline-image,
.post-inline-image,
.post-content img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: var(--spacing-sm) 0;
}

/* ===== Post Page Styles ===== */
.post-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0 var(--spacing-2xl);
}

.post-loading,
.post-error {
    text-align: center;
    padding: var(--spacing-2xl);
}

.post-error h2 {
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-sm);
}

.post-error p {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
}

.post-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.post-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
    background-color: var(--accent-green);
    color: #1a3d1a;
}

.post-header[data-accent="blue"] .post-category {
    background-color: var(--accent-blue);
    color: #1a3d5c;
}

.post-header[data-accent="purple"] .post-category {
    background-color: var(--accent-purple);
    color: #3d1a5c;
}

.post-header[data-accent="coral"] .post-category {
    background-color: var(--accent-coral);
    color: #5c1a1a;
}

.post-header[data-accent="yellow"] .post-category {
    background-color: var(--accent-yellow);
    color: #5c4d1a;
}

.post-header[data-accent="mint"] .post-category {
    background-color: var(--accent-mint);
    color: #1a5c4d;
}

.post-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.post-meta {
    color: var(--color-secondary);
    font-size: 0.95rem;
}

.post-separator {
    margin: 0 var(--spacing-xs);
}

.post-author {
    font-weight: 500;
}

.post-image {
    margin-bottom: var(--spacing-lg);
    border-radius: 8px;
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: auto;
    display: block;
}

.post-body {
    line-height: 1.8;
}

.post-excerpt-large {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.post-content h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.post-content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.post-content blockquote {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid var(--accent-green);
    background-color: var(--color-white);
    font-style: italic;
    color: var(--color-secondary);
}

.post-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.post-content li {
    margin-bottom: var(--spacing-xs);
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
}

.post-navigation {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
}

.back-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--color-primary);
}

/* ===== Responsive - About & Contact ===== */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-image {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .about-social {
        justify-content: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        text-align: center;
    }

    .posts-toolbar {
        grid-template-columns: 1fr;
    }

    .toolbar-actions {
        align-items: stretch;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .form-actions .submit-button,
    .form-actions .cta-button {
        width: 100%;
        text-align: center;
    }
}