/* Academic Minimalist Theme
   Typography: Crimson Pro (serif) + IBM Plex Sans
   Palette: Near-black, warm gray, muted red accent
*/

:root {
    --font-serif: 'Crimson Pro', Georgia, serif;
    --font-sans: 'IBM Plex Sans', -apple-system, sans-serif;
    
    --c-bg: #fafaf9;
    --c-text: #1c1917;
    --c-text-muted: #57534e;
    --c-border: #e7e5e4;
    --c-accent: #991b1b;
    --c-accent-hover: #7f1d1d;
    
    --w-content: 42rem;
    --w-wide: 52rem;
}

@media (prefers-color-scheme: dark) {
    :root {
        --c-bg: #0c0a09;
        --c-text: #fafaf9;
        --c-text-muted: #a8a29e;
        --c-border: #292524;
        --c-accent: #fca5a5;
        --c-accent-hover: #f87171;
    }
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 18px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-serif);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.nav {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--w-wide);
    width: 100%;
    margin: 0 auto;
}

.nav-brand {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    color: var(--c-text);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
    text-decoration: none;
    transition: color 0.15s;
}

.nav-links a:hover {
    color: var(--c-text);
}

/* Main Content */
.main {
    flex: 1;
    padding: 2rem;
    max-width: var(--w-content);
    width: 100%;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    padding: 3rem 0 4rem;
    border-bottom: 1px solid var(--c-border);
    margin-bottom: 3rem;
}

.hero-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

.headshot {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.headshot-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--c-border);
    flex-shrink: 0;
}

.hero-text h1 {
    font-family: var(--font-sans);
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.hero h1 {
    font-family: var(--font-sans);
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: 1.125rem;
    color: var(--c-text-muted);
    margin-bottom: 1.25rem;
}

.hero-bio {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 36rem;
    margin-bottom: 1.5rem;
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-links a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

.hero-links a:hover {
    border-bottom-color: var(--c-accent);
}

/* Sections */
.section {
    margin-bottom: 3rem;
}

.section h2 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-text-muted);
    margin-bottom: 1.5rem;
}

/* News List */
.news-list {
    list-style: none;
}

.news-item {
    display: grid;
    grid-template-columns: 7rem 1fr;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--c-border);
}

.news-item:last-child {
    border-bottom: none;
}

.news-item time {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--c-text-muted);
}

.news-content {
    font-size: 0.95rem;
}

.news-content p {
    margin: 0;
}

.news-content a {
    color: var(--c-accent);
    text-decoration: none;
}

.news-content a:hover {
    text-decoration: underline;
}

/* Article List */
.article-list {
    list-style: none;
}

.article-item {
    display: grid;
    grid-template-columns: 7rem 1fr;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--c-border);
}

.article-item:last-child {
    border-bottom: none;
}

.article-item time {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--c-text-muted);
    padding-top: 0.15rem;
}

.article-title {
    font-size: 1.1rem;
    color: var(--c-text);
    text-decoration: none;
    line-height: 1.4;
}

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

.article-desc {
    font-size: 0.9rem;
    color: var(--c-text-muted);
    margin-top: 0.35rem;
    line-height: 1.5;
}

.more-link {
    display: inline-block;
    margin-top: 1rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-accent);
    text-decoration: none;
}

.more-link:hover {
    text-decoration: underline;
}

/* Single Article */
.article-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--c-border);
}

.article-header h1 {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

.article-header time {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
}

.tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.tag {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--c-text-muted);
    background: var(--c-border);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
}

/* Prose */
.prose {
    line-height: 1.75;
}

.prose > * + * {
    margin-top: 1.25em;
}

.prose h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2em;
    margin-bottom: 0.75em;
}

.prose h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.75em;
    margin-bottom: 0.5em;
}

.prose a {
    color: var(--c-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.prose a:hover {
    color: var(--c-accent-hover);
}

.prose code {
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.875em;
    background: var(--c-border);
    padding: 0.15em 0.35em;
    border-radius: 3px;
}

.prose pre {
    background: var(--c-border);
    padding: 1rem 1.25rem;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.6;
}

.prose pre code {
    background: none;
    padding: 0;
}

.prose blockquote {
    border-left: 3px solid var(--c-accent);
    padding-left: 1.25rem;
    font-style: italic;
    color: var(--c-text-muted);
}

.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.prose ul, .prose ol {
    padding-left: 1.5rem;
}

.prose li {
    margin: 0.35em 0;
}

.article-nav {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--c-border);
}

.article-nav a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
    text-decoration: none;
}

.article-nav a:hover {
    color: var(--c-text);
}

/* CV Page */
.cv-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--c-border);
}

.cv-header h1 {
    font-family: var(--font-sans);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cv-title {
    font-size: 1.125rem;
    color: var(--c-text-muted);
    margin-bottom: 1rem;
}

.cv-contact {
    display: flex;
    gap: 1.5rem;
}

.cv-contact a {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-accent);
    text-decoration: none;
}

.cv-contact a:hover {
    text-decoration: underline;
}

.cv-section {
    margin-bottom: 2.5rem;
}

.cv-section h2 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--c-border);
}

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

.cv-entry-header {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.cv-entry-title {
    font-family: var(--font-sans);
    font-weight: 500;
}

.cv-entry-institution {
    color: var(--c-text-muted);
    font-size: 0.95rem;
}

.cv-entry-institution::before {
    content: ", ";
}

.cv-entry-meta {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--c-text-muted);
    display: flex;
    gap: 0.75rem;
}

.cv-entry-desc {
    font-size: 0.9rem;
    color: var(--c-text-muted);
    line-height: 1.6;
    margin-top: 0.25rem;
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    color: var(--c-text-muted);
}

.empty-state {
    color: var(--c-text-muted);
    font-style: italic;
}

/* Responsive */
@media (max-width: 640px) {
    html {
        font-size: 16px;
    }
    
    .nav {
        padding: 1rem;
    }
    
    .main {
        padding: 1.5rem 1rem;
    }
    
    .hero {
        padding: 2rem 0 3rem;
    }
    
    .hero-header {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero-bio {
        text-align: center;
    }
    
    .hero-links {
        justify-content: center;
    }
    
    .news-item,
    .article-item {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
    
    .cv-entry-header {
        flex-direction: column;
    }
}