*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
    font-family: var(--font-body);
    line-height: 1.6;
}

.blog-index {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem clamp(1.5rem, 5vw, 3rem);
}

.blog-title {
    color: var(--color-heading);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 2.5rem;
}

.blog-filter {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.blog-filter strong {
    color: var(--color-heading-secondary);
}

.blog-filter a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}

.blog-filter a:hover {
    color: var(--color-accent-hover);
}

.blog-empty {
    color: var(--color-text-subtle);
    font-style: italic;
    font-size: 1rem;
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.blog-card {
    padding: 1.5rem 1.75rem;
    border-left: 2px solid var(--color-accent-border);
    background: var(--color-surface);
    border-radius: 0 8px 8px 0;
    transition: background 0.2s;
}

.blog-card:hover {
    background: var(--color-surface-hover);
}

.blog-card-link {
    text-decoration: none;
}

.blog-card-title {
    color: var(--color-heading-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.3rem;
    letter-spacing: -0.01em;
    transition: color 0.2s;
}

.blog-card-link:hover .blog-card-title {
    color: var(--color-accent);
}

.blog-card-date {
    color: var(--color-text-subtle);
    font-size: 0.75rem;
    display: block;
    margin-bottom: 0.5rem;
}

.blog-card-summary {
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.6;
    font-size: 0.875rem;
}

.blog-card-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.blog-tag {
    background: var(--color-surface-raised);
    color: var(--color-text-muted);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.blog-tag:hover {
    background: var(--color-surface-raised-hover);
    color: var(--color-heading-secondary);
}