/*
 * Portfolio design system foundation.
 * Values are emitted by includes/design_tokens.php and keep the current visual
 * defaults. Components will be migrated here gradually.
 */
:root {
    --primary: var(--ds-color-primary, #a4fc02);
    --accent: var(--ds-color-primary, #a4fc02);
    --background: var(--ds-color-background, #000000);
    --text-primary: var(--ds-color-text, #f3f4f6);
    --text-secondary: var(--ds-color-text-muted, #9ca3af);
    --border: var(--ds-color-border, rgba(255, 255, 255, 0.1));
    --font-heading: var(--ds-font-heading, 'Syne', sans-serif);
    --font-body: var(--ds-font-body, 'Inter', sans-serif);
    --font-alt: var(--ds-font-accent, 'Playfair Display', serif);
}

/* Shared primitives available to every new page. */
.ds-container {
    width: min(100% - 3rem, var(--ds-container-content, 72rem));
    margin-inline: auto;
}

.ds-container-wide {
    width: min(100% - 3rem, var(--ds-container-wide, 80rem));
    margin-inline: auto;
}

.ds-page-title {
    color: var(--ds-color-text, #f3f4f6);
    font-family: var(--ds-font-heading, 'Syne', sans-serif);
    font-weight: 700;
    letter-spacing: -0.025em;
}

.ds-surface {
    background: var(--ds-color-card, #111111);
    border: 1px solid var(--ds-color-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--ds-radius-lg, 1rem);
}

/* Public page modules migrated from inline styles. */
.blog-page .filter-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #000;
}

.post-page {
    background-color: var(--ds-color-background, #000);
    color: #e5e7eb;
    font-family: var(--ds-font-body, 'Inter', sans-serif);
}

.post-page .font-heading,
.post-page article h2,
.post-page article h3 {
    font-family: var(--ds-font-heading, 'Syne', sans-serif);
}

.post-page article p { margin-bottom: 1.5rem; line-height: 1.8; font-size: 1.125rem; color: #d1d5db; }
.post-page article h2 { font-size: 2rem; font-weight: 700; margin: 3rem 0 1.5rem; color: #fff; }
.post-page article h3 { font-size: 1.5rem; font-weight: 700; margin: 2.5rem 0 1rem; color: #fff; }
.post-page article ul { margin-bottom: 1.5rem; list-style-type: disc; padding-left: 1.5rem; }
.post-page article li { margin-bottom: 0.5rem; }
.post-page article blockquote { border-left: 4px solid var(--primary); padding-left: 1.5rem; font-style: italic; color: var(--primary); margin: 2rem 0; }
.post-page article a { color: var(--primary); text-decoration: underline; }
.post-page article img { border-radius: var(--ds-radius-md, 0.75rem); margin: 2rem 0; width: 100%; height: auto; border: 1px solid var(--ds-color-border, rgba(255,255,255,0.1)); }