/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* WriteFreely-inspired minimal palette with pixel aesthetic */
    --color-bg: #fafafa;
    --color-paper: #ffffff;
    --color-text: #222222;
    --color-text-muted: #757575;
    --color-border: #d0d0d0;
    --color-accent: #0066cc;
    --color-accent-hover: #0052a3;
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-highlight: #fff4e6;

    /* Dark mode palette */
    --color-bg-dark: #1a1a1a;
    --color-paper-dark: #2d2d2d;
    --color-text-dark: #e8e8e8;
    --color-text-muted-dark: #a0a0a0;
    --color-border-dark: #4a4a4a;
    --color-accent-dark: #5c9cff;
    --color-accent-hover-dark: #7eb3ff;
    --color-shadow-dark: rgba(0, 0, 0, 0.3);
    --color-highlight-dark: #3d3020;

    /* Pixel-style monospace font stack */
    --font-main: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --font-pixel: 'Press Start 2P', 'VT323', monospace;

    --max-width: 720px;
    --spacing-unit: 1.5rem;
}

/* Dark mode */
body.dark-mode {
    --color-bg: var(--color-bg-dark);
    --color-paper: var(--color-paper-dark);
    --color-text: var(--color-text-dark);
    --color-text-muted: var(--color-text-muted-dark);
    --color-border: var(--color-border-dark);
    --color-accent: var(--color-accent-dark);
    --color-accent-hover: var(--color-accent-hover-dark);
    --color-shadow: var(--color-shadow-dark);
    --color-highlight: var(--color-highlight-dark);
}

body {
    font-family: var(--font-main);
    font-size: 19px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, .02) 2px, rgba(0, 0, 0, .02) 4px);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.site-header {
    padding: 1.5rem 0;
    border-bottom: 3px solid var(--color-text);
    background-color: var(--color-paper);
    box-shadow: 0 2px 8px var(--color-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    flex-wrap: nowrap;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-text);
    transition: opacity 0.2s;
}

.logo a:hover {
    opacity: 0.7;
}

.logo-image {
    height: 40px;
    width: auto;
    margin-right: 0.75rem;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.site-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 0.75rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.25rem 0.35rem;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s;
}

.main-nav a:hover {
    border-bottom-color: var(--color-accent);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.25rem;
}

.lang-link {
    padding: 0.5rem 0.9rem;
    text-decoration: none;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 2px solid var(--color-text);
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.15s;
    box-shadow: 2px 2px 0 var(--color-text);
}

.lang-link:hover {
    background-color: var(--color-accent);
    color: var(--color-paper);
    border-color: var(--color-accent);
    box-shadow: 3px 3px 0 var(--color-text);
}

.lang-link.active {
    background-color: var(--color-accent);
    color: var(--color-paper);
    border-color: var(--color-accent);
    box-shadow: 3px 3px 0 var(--color-text);
    font-weight: 800;
}

/* Home Page */
.home-intro {
    text-align: center;
    padding: 3.5rem 2rem 4rem;
    background: linear-gradient(135deg, var(--color-paper) 0%, var(--color-highlight) 100%);
    border: 3px solid var(--color-text);
    box-shadow: 6px 6px 0 var(--color-text);
    margin: 2rem 0 4rem;
    position: relative;
}

.home-intro::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 1px solid var(--color-border);
    pointer-events: none;
}

.site-tagline {
    font-size: 2.2rem;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--color-text);
    text-shadow: 2px 2px 0 rgba(0, 102, 204, 0.1);
}

.site-description {
    font-size: 1rem;
    color: var(--color-text-muted);
    max-width: 560px;
}

/* Article List */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.article-item {
    padding: 2rem;
    background-color: var(--color-paper);
    border: 2px solid var(--color-text);
    box-shadow: 4px 4px 0 var(--color-text);
    transition: all 0.2s ease;
}

.article-item:hover {
    box-shadow: 6px 6px 0 var(--color-text);
    transform: translate(-2px, -2px);
}

.article-title {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

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

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

.article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.article-summary {
    margin: 1rem 0 1.5rem;
    line-height: 1.7;
    color: var(--color-text);
}

.read-more {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    text-decoration: none;
    color: var(--color-paper);
    background-color: var(--color-accent);
}

/* Single Article */
.article-single {
    max-width: 680px;
    margin: 0 auto;
    background-color: var(--color-paper);
    padding: 2.5rem;
    border: 3px solid var(--color-text);
    box-shadow: 8px 8px 0 var(--color-text);
}

.article-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 3px dashed var(--color-border);
}

.article-single .article-title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    line-height: 1.25;
    font-weight: 800;
}

.article-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-content .article-summary {
    margin: 1rem 0;
    line-height: 1.7;
    color: var(--color-text);
}

.read-more.inline {
    display: inline-block;
    margin-top: 0.5rem;
    text-decoration: none;
    color: var(--color-link);
    font-weight: 500;
    transition: color 0.2s;
}

.article-content h2 {
    font-size: 1.65rem;
    font-weight: 800;
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--color-text);
}

.article-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 2rem 0 0.8rem;
    color: var(--color-accent);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 2px solid var(--color-accent);
    transition: all 0.2s;
}

.article-content a:hover {
    background-color: var(--color-highlight);
    color: var(--color-accent-hover);
    border-bottom-color: var(--color-accent-hover);
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0 1.5rem 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content li::marker {
    color: var(--color-accent);
    font-weight: bold;
}

.article-content blockquote {
    margin: 2rem 0;
    padding: 1.5rem;
    border: 2px solid var(--color-text);
    border-left: 6px solid var(--color-accent);
    background-color: var(--color-highlight);
    font-style: italic;
    box-shadow: 3px 3px 0 var(--color-shadow);
}

.article-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 0.2em 0.5em;
}

.article-content pre {
    background-color: transparent;
    padding: 0;
}

/* Article Tags */
.article-tags {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 3px dashed var(--color-border);
}

.tags-label {
    font-weight: 700;
    margin-right: 0.75rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    margin: 0.3rem 0.2rem;
    background-color: var(--color-bg);
    border: 2px solid var(--color-text);
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    box-shadow: 2px 2px 0 var(--color-text);
    transition: all 0.15s;
}

.tag:hover {
    background-color: var(--color-accent);
    color: var(--color-paper);
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0 var(--color-text);
}

/* Footer */
.site-footer {
    margin-top: 5rem;
    padding: 2.5rem 0 2rem;
    border-top: 3px solid var(--color-text);
    background-color: var(--color-paper);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.9rem;
    font-style: italic;
    font-family: var(--font-mono);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 17px;
    }

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

    .main-nav {
        order: 3;
        width: 100%;
    }

    .main-nav ul {
        flex-wrap: nowrap;
        gap: 1rem;
    }

    .language-switcher {
        order: 2;
    }

    .home-intro {
        padding: 2.5rem 1.5rem 3rem;
        margin: 1.5rem 0 2.5rem;
        box-shadow: 4px 4px 0 var(--color-text);
    }

    .site-tagline {
        font-size: 1.8rem;
    }

    .article-item {
        padding: 1.5rem;
        box-shadow: 3px 3px 0 var(--color-text);
    }

    .article-item:hover {
        box-shadow: 4px 4px 0 var(--color-text);
    }

    .article-title {
        font-size: 1.4rem;
    }

    .article-single {
        padding: 2rem 1.5rem;
        box-shadow: 5px 5px 0 var(--color-text);
    }

    .article-single .article-title {
        font-size: 1.8rem;
    }

    .logo-image {
        height: 36px;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 1.25rem 0;
    }

    .home-intro {
        padding: 2rem 1rem 2.5rem;
        box-shadow: 3px 3px 0 var(--color-text);
    }

    .site-tagline {
        font-size: 1.5rem;
    }

    .article-content {
        font-size: 1rem;
    }

    .article-item {
        padding: 1.25rem;
    }

    .article-single {
        padding: 1.5rem 1rem;
    }

    .lang-link {
        padding: 0.4rem 0.7rem;
        font-size: 0.8rem;
    }
}

/* Additional layout / duplicated rules (kept flat) */
.main-nav ul {
    flex-wrap: wrap;
    gap: 1rem;
}

.language-switcher {
    order: 2;
}

.site-tagline {
    font-size: 2rem;
}

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

.article-single .article-title {
    font-size: 2rem;
}

.logo-image {
    height: 40px;
}

@media (max-width: 480px) {
    .site-header {
        padding: 1.5rem 0;
    }

    .site-tagline {
        font-size: 1.6rem;
    }

    .article-content {
        font-size: 1rem;
    }
}

/* Dark Mode Toggle */
.theme-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dark-mode-toggle {
    padding: 0.5rem 0.75rem;
    background-color: var(--color-bg);
    border: 2px solid var(--color-text);
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--color-text);
    transition: all 0.15s;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark-mode-toggle:hover {
    background-color: var(--color-accent);
    box-shadow: 3px 3px 0 var(--color-text);
    transform: translate(-1px, -1px);
}

.dark-mode-toggle:active {
    box-shadow: 1px 1px 0 var(--color-text);
    transform: translate(1px, 1px);
}