:root {
    color-scheme: light;
    --color-primary: #c62828;
    --color-primary-dark: #8e1b1b;
    --color-accent: #f4b400;
    --color-text: #121826;
    --color-muted: #4b5563;
    --color-bg: #f6f7fb;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.08);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --container-width: 1200px;
    --transition: 0.2s ease;
    font-size: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition), background var(--transition);
}

a:hover,
a:focus {
    color: var(--color-primary-dark);
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

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

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

.skip-link {
    position: absolute;
    left: -999px;
    top: -999px;
    background: var(--color-accent);
    color: #111827;
    padding: 0.75rem 1rem;
    z-index: 1000;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.25rem 0;
}

.site-branding {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.site-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
}

.site-description {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-muted);
}

.menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 0.6rem 0.85rem;
    border-radius: 999px;
    cursor: pointer;
}

.menu-toggle__icon {
    width: 20px;
    height: 2px;
    background: #fff;
    position: relative;
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fff;
}

.menu-toggle__icon::before {
    top: -6px;
}

.menu-toggle__icon::after {
    top: 6px;
}

.primary-navigation {
    display: none;
}

.primary-navigation.is-open {
    display: block;
}

.primary-navigation .menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.primary-navigation .menu a {
    font-weight: 600;
}

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    padding: 2rem 0 3rem;
}

.site-main {
    background: transparent;
}

.page-header {
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.page-description {
    color: var(--color-muted);
    margin: 0;
}

.feed {
    display: grid;
    gap: 1.5rem;
}

.post-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
}

.post-card__media {
    display: block;
}

.post-card__media img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.post-card__placeholder {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e0e7ff;
    color: var(--color-primary-dark);
    font-weight: 600;
}

.post-card__content {
    padding: 1.5rem;
}

.post-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.post-card__title {
    margin: 0.5rem 0 0.75rem;
    font-size: 1.3rem;
}

.post-card__excerpt {
    margin: 0 0 1rem;
    color: var(--color-muted);
}

.post-card__link {
    font-weight: 600;
    color: var(--color-primary);
}

.single-article,
.page-article {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
}

.entry-header {
    margin-bottom: 1.5rem;
}

.entry-title {
    margin: 0.5rem 0 0;
    font-size: 2rem;
}

.entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.entry-thumbnail {
    margin-bottom: 1.5rem;
}

.sidebar {
    display: grid;
    gap: 1.5rem;
}

.sidebar-section,
.widget {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.sidebar-title,
.widget-title {
    margin-top: 0;
    font-size: 1.1rem;
}

.sidebar-links,
.sidebar-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.highlight-box {
    border-left: 4px solid var(--color-primary);
}

.pagination {
    margin-top: 2rem;
}

.no-results {
    padding: 2rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.site-footer {
    background: #0f172a;
    color: #e2e8f0;
    padding: 2rem 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.footer-links a {
    color: #e2e8f0;
}

@media (min-width: 900px) {
    .menu-toggle {
        display: none;
    }

    .primary-navigation {
        display: block;
    }

    .primary-navigation .menu {
        flex-direction: row;
        gap: 1.5rem;
        align-items: center;
    }

    .layout {
        grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    }

    .post-card {
        grid-template-columns: 280px 1fr;
    }

    .post-card__media img,
    .post-card__placeholder {
        height: 100%;
    }

    .sidebar {
        position: sticky;
        top: 5rem;
        align-self: start;
    }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}