/* Research Article Styles */

.research-article {
    padding: 120px 0 80px;
    background: var(--black);
    min-height: 100vh;
}

.back-link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-m);
    display: inline-block;
    margin-bottom: 40px;
    transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

.article-header {
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.article-meta time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-m);
}

.article-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-w);
    margin-bottom: 20px;
    max-width: 800px;
    letter-spacing: -0.5px;
}

.article-lead {
    font-size: 1.05rem;
    color: var(--text-m);
    line-height: 1.8;
    max-width: 700px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.article-tags span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 4px 10px;
    background: rgba(20,184,166,0.06);
    border: 1px solid rgba(20,184,166,0.12);
    border-radius: 3px;
    color: var(--accent-d);
}

.article-body { max-width: 780px; }
.article-body section { margin-bottom: 48px; }

.article-body h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-w);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.article-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-l);
    margin-top: 28px;
    margin-bottom: 12px;
}

.article-body p {
    font-size: 0.92rem;
    color: var(--text-m);
    line-height: 1.8;
    margin-bottom: 16px;
}

.article-body ul, .article-body ol {
    margin-left: 20px;
    margin-bottom: 16px;
}

.article-body li {
    font-size: 0.92rem;
    color: var(--text-m);
    line-height: 1.8;
    margin-bottom: 8px;
}

.article-body li strong { color: var(--text-l); }

.code-block {
    margin: 20px 0;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    overflow: hidden;
}

.code-header {
    background: rgba(255,255,255,0.03);
    padding: 8px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-m);
}

.code-block pre {
    background: var(--dark-2);
    padding: 20px;
    overflow-x: auto;
    margin: 0;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.7;
    color: var(--text-m);
    background: none;
    padding: 0;
}

.hl-red { color: var(--red); font-weight: 600; }
.hl-green { color: var(--green); font-weight: 600; }
.hl-accent { color: var(--accent); font-weight: 600; }

.callout {
    padding: 20px 24px;
    border-radius: 8px;
    margin: 24px 0;
    font-size: 0.88rem;
    line-height: 1.7;
}

.callout strong { display: block; margin-bottom: 4px; }

.callout-danger {
    background: rgba(239,68,68,0.05);
    border: 1px solid rgba(239,68,68,0.12);
    color: var(--text-m);
}
.callout-danger strong { color: var(--red); }

.callout-info {
    background: rgba(20,184,166,0.05);
    border: 1px solid rgba(20,184,166,0.12);
    color: var(--text-m);
}
.callout-info strong { color: var(--accent); }

.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.info-table td {
    padding: 10px 16px;
    font-size: 0.82rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: var(--text-m);
}

.info-table td:first-child {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-l);
    white-space: nowrap;
    width: 200px;
}

@media (max-width: 768px) {
    .research-article { padding: 100px 0 60px; }
    .article-header h1 { font-size: 1.4rem; }
    .info-table td:first-child { width: auto; }
}