/* === SI Labs — extensions to the main SI website style system === */

/* === Issue list (R&D Reports index) === */
.issue-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.issue-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: border-color 0.2s, transform 0.2s;
}
.issue-card:hover { border-color: var(--color-primary); }

.issue-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.issue-number {
    color: var(--color-accent);
    font-weight: 700;
}

.issue-badge {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}
.issue-badge-public {
    background: rgba(6, 182, 212, 0.15);
    color: var(--color-accent);
    border: 1px solid rgba(6, 182, 212, 0.3);
}
.issue-badge-upcoming {
    background: rgba(148, 163, 184, 0.1);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.issue-date {
    color: var(--color-text-muted);
}

.issue-card-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-text);
    margin-bottom: 8px;
    line-height: 1.2;
}

.issue-card-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 16px;
    line-height: 1.4;
}

.issue-card-abstract {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.issue-card-meta-secondary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.issue-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.issue-card-upcoming {
    opacity: 0.65;
}
.issue-card-upcoming:hover {
    border-color: var(--color-border);
    cursor: default;
}

/* === Report byline (Issue detail hero) === */
.report-byline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 32px auto;
    max-width: 800px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.report-byline > div {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.report-byline strong {
    display: block;
    color: var(--color-accent);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
    font-weight: 600;
}

/* === Mobile adjustments === */
@media (max-width: 640px) {
    .issue-card { padding: 24px; }
    .issue-card-title { font-size: 1.4rem; }
    .report-byline { grid-template-columns: 1fr; padding: 16px; }
}