/* ═══════════════════════════════════════════════════════════════════
   publications.css — page-specific styles
   Supplements styles.css (which provides the shell).
   ═══════════════════════════════════════════════════════════════════ */

/* Sub-hero */
.sub-hero .sub-lede {
    max-width: 620px;
    margin-top: 1.2rem;
    font-size: 1rem;
    color: var(--text-soft);
    line-height: 1.7;
}

/* ─── METRICS DASHBOARD ─────────────────────────────────────────── */
.metrics-dash {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 2.2rem 0 3rem;
}

.metric-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem 1.4rem 1.3rem;
    position: relative;
    overflow: hidden;
    transition: all .3s var(--ease);
}
.metric-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: var(--shadow-card);
}

.metric-label {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.55rem;
}

.metric-num {
    font-family: var(--display);
    font-size: 2.6rem;
    font-weight: 300;
    line-height: 1;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.metric-num span { color: var(--text); }

.metric-sub {
    font-size: 0.74rem;
    color: var(--text-soft);
    line-height: 1.4;
}

/* Sparkline tile */
.sparkline-card .spark-wrap {
    height: 56px;
    margin: 0.4rem 0 0.6rem;
}
.sparkline-card svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}
.sparkline-card .metric-sub {
    font-size: 0.7rem;
    color: var(--muted);
}

/* ─── SECTION HEAD ──────────────────────────────────────────────── */
.section-head {
    margin-bottom: 2rem;
}
.section-head .sec-title { margin-bottom: 0.8rem; }
.section-note {
    font-size: 0.85rem;
    color: var(--muted);
    font-style: italic;
    max-width: 640px;
}
.update-note {
    font-family: var(--mono);
    font-size: 0.74rem;
    font-style: normal;
    color: var(--accent);
    margin-left: 0.2rem;
}

/* ─── PUBLICATION CARDS ─────────────────────────────────────────── */
/* IDs/classes match the names that serpapi.v1.js creates */
.publication-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.pub-loading {
    color: var(--muted);
    font-style: italic;
    padding: 2rem;
    text-align: center;
}

.publication-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem 1.8rem;
    transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
    position: relative;
    overflow: hidden;
}
.publication-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform .3s var(--ease);
}
.publication-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: var(--shadow-card);
}
.publication-item:hover::before { transform: scaleY(1); }

.publication-info {
    min-width: 0;
}

.publication-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.7rem;
}

.publication-label {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-bg);
    border: 1px solid var(--accent-glow);
    padding: 0.22rem 0.55rem;
    border-radius: 0.3rem;
}

.publication-date {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--muted);
    letter-spacing: 0.06em;
}

.publication-category {
    font-family: var(--display);
    font-style: italic;
    font-size: 0.86rem;
    color: var(--text-soft);
    text-decoration: none;
    transition: color .2s;
}
.publication-category:hover { color: var(--accent); }

.publication-title {
    font-family: var(--display);
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: -0.005em;
    margin-bottom: 0.5rem;
    color: var(--text);
}
.publication-title a {
    color: inherit;
    text-decoration: none;
    transition: color .2s;
}
.publication-title a:hover { color: var(--accent); }

.publication-description {
    color: var(--text-soft);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 0.8rem;
}
.publication-description strong {
    color: var(--text);
    font-weight: 600;
}

.pub-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.3rem;
}
.pub-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: 0.45rem;
    border: 1px solid var(--border);
    background: var(--bg-soft);
    font-size: 0.78rem;
    font-family: var(--body);
    color: var(--text-soft);
    text-decoration: none;
    transition: all .2s var(--ease);
}
.pub-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

/* ─── LEGACY METRICS BAR (old markup, in case it's kept anywhere) ─ */
.metrics { display: none; }

/* ─── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 900px) {
    .metrics-dash { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
    .metrics-dash { grid-template-columns: 1fr; }
    .publication-item { padding: 1.3rem 1.3rem; }
    .publication-title { font-size: 1.08rem; }
}