/* Research Page
   Left-aligned, reading-first layout. Violet is the brand's research accent
   (see brand/identity.html color roles); sky blue stays on links. */

.research-intro,
.research-block {
    padding: var(--spacing-lg) 0;
}

/* ---------- Intro ---------- */
.research-intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.research-intro-text {
    max-width: 66ch;
}

.research-intro-text p {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.research-intro-text .research-lead {
    font-size: 1.2rem;
    color: var(--color-text-primary);
    line-height: 1.6;
}

.research-links {
    list-style: none;
    padding: 0 0 0 var(--spacing-sm);
    margin: 0;
    border-left: 2px solid var(--color-violet);
}

.research-links li + li {
    margin-top: 0.4rem;
}

.research-links a {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--color-primary-dark);
    text-decoration: none;
}

.research-links a:hover,
.research-links a:focus-visible {
    color: var(--color-violet);
    text-decoration: underline;
}

/* ---------- Section headings ---------- */
.research-heading {
    font-size: 1.35rem;
    padding-bottom: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.research-note {
    color: var(--color-text-muted);
    margin: calc(var(--spacing-md) * -0.5) 0 var(--spacing-md);
}

/* ---------- Publications ---------- */
.pub-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pub {
    display: grid;
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.pub + .pub {
    border-top: 1px solid var(--color-border-light);
}

.pub-year {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-violet);
}

.pub-body {
    max-width: 72ch;
}

.pub-title {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.35rem;
}

.pub-title a {
    color: var(--color-text-primary);
    text-decoration: none;
}

.pub-title a:hover,
.pub-title a:focus-visible {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.pub-authors,
.pub-venue {
    color: var(--color-text-secondary);
    margin-bottom: 0.2rem;
    line-height: 1.5;
}

.pub-authors strong {
    color: var(--color-text-primary);
}

.pub-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem var(--spacing-sm);
    margin-top: 0.5rem;
}

.pub-actions a {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--color-primary-dark);
}

.pub-actions a:hover,
.pub-actions a:focus-visible {
    color: var(--color-violet);
}

/* ---------- Software ---------- */
.software-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.software--featured {
    grid-column: 1 / -1;
    max-width: 72ch;
}

.software-name {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
}

.software p,
.applied dd,
.pub-venue {
    font-size: 1.02rem;
}

.software p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.software-install {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--color-text-light);
    background: var(--color-bg-dark);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    margin: 0.25rem 0 0.25rem;
}

/* ---------- Applied work ---------- */
.applied-list {
    margin: 0;
    max-width: 72ch;
}

.applied + .applied {
    margin-top: var(--spacing-sm);
}

.applied dt {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.2rem;
}

.applied dd {
    margin: 0;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ---------- Responsive - Tablet (900px) ---------- */
@media (max-width: 900px) {
    .research-intro-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .software-list {
        grid-template-columns: 1fr;
    }
}

/* ---------- Responsive - Mobile (600px) ---------- */
@media (max-width: 600px) {
    .research-intro,
    .research-block {
        padding: var(--spacing-md) 0;
    }

    .pub {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .pub-year {
        font-size: 1.1rem;
    }
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] .research-links a,
[data-theme="dark"] .pub-actions a {
    color: var(--color-primary-light);
}

[data-theme="dark"] .pub-title a:hover,
[data-theme="dark"] .pub-title a:focus-visible {
    color: var(--color-primary-light);
}

[data-theme="dark"] .software-install {
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
}