/* ================================
   CURIO project page
   Built on Bulma; layout and components adapted from the
   ScientistTwo project page (Apache-2.0, see static/TEMPLATE-LICENSE.txt).
   ================================ */

:root {
    --accent: #3273dc;
    --accent-soft: #eef4fd;
    --ink: #363636;
    --ink-2: #4a4a4a;
    --muted: #777;
    --faint: #999;
    --line: #ececec;
    --band: #fafafa;
    --primary-dark: #2c3e50;
}

body {
    font-family: 'Google Sans', 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #fff;
    color: var(--ink-2);
}

html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 3.5rem; }

::selection { background-color: var(--accent); color: #fff; }

/* ---------- Hero ---------- */
.hero-body { animation: fadeInUp 0.6s ease-out; }

.hero-banner {
    display: block;
    max-width: 720px;
    width: 100%;
    margin: 0 auto 1.25rem;
}

.publication-title {
    font-weight: 600;
    line-height: 1.3;
}
.publication-title .method { color: var(--accent); }

.publication-authors { line-height: 1.8; font-weight: 400; }
.author-block { display: inline-block; margin: 0 8px; }
.author-block sup { margin-left: 2px; }
.affiliations { color: var(--muted); }

.publication-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}
.link-block { display: inline-block; }

.button.is-dark {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transition: transform 0.15s, box-shadow 0.15s;
}
.button.is-dark:hover {
    background-color: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}
.button.is-dark[disabled] { opacity: 0.55; }

/* ---------- Headline stats ---------- */
.stat-ribbon {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin: 1.75rem auto 0;
    max-width: 880px;
}
.stat-ribbon .stat-cell {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 10px;
    padding: 0.85rem 0.6rem;
    transition: transform 0.15s, box-shadow 0.15s;
}
.stat-ribbon .stat-cell:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.07);
}
.stat-ribbon .stat-num {
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--accent);
}
.stat-ribbon .stat-cap {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--faint);
    margin-top: 0.3rem;
}
.stat-ribbon .stat-foot {
    font-size: 0.68rem;
    line-height: 1.35;
    color: #aaa;
    margin-top: 0.35rem;
}

/* ---------- Sticky section nav ---------- */
.section-nav {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--line);
}
.section-nav .nav-inner {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    flex-wrap: wrap;
    padding: 0.5rem 1rem;
}
.section-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #888;
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.15s;
}
.section-nav a:hover { background: #f0f4fa; color: var(--accent); }

/* ---------- Sections ---------- */
.section { padding: 3rem 1.5rem; }
.section.is-band { background-color: var(--band); }

.eyebrow {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
    margin-bottom: 0.35rem;
}

.content.has-text-justified p {
    text-align: justify;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ---------- Figure cards ---------- */
.figure-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1.1rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    margin: 1.5rem 0 0;
}
.figure-card img {
    display: block;
    width: 100%;
    height: auto;
}
.figure-card.is-narrow { max-width: 620px; margin-left: auto; margin-right: auto; }
.figure-card figcaption {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.55;
    margin-top: 0.85rem;
    text-align: left;
}
.figure-card figcaption strong { color: #555; }

/* Small multiples (diversity curves, ablation radars) */
.figure-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}
.figure-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.figure-grid .figure-card { margin: 0; padding: 0.8rem; }
.figure-grid .figure-card figcaption {
    text-align: center;
    margin-top: 0.5rem;
    font-weight: 600;
    color: #555;
}

/* ---------- Pillar cards ---------- */
.pillar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1.75rem;
}
.pillar-card {
    background: #fff;
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    border-radius: 10px;
    padding: 1.15rem 1.25rem;
    text-align: left;
    transition: transform 0.15s, box-shadow 0.15s;
}
.pillar-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.07);
}
.pillar-card .pillar-icon { color: var(--accent); font-size: 1.1rem; margin-bottom: 0.5rem; }
.pillar-card .pillar-title { font-weight: 700; color: var(--ink); font-size: 0.95rem; margin-bottom: 0.4rem; }
.pillar-card .pillar-text { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

/* ---------- Results tables ---------- */
.table-wrap {
    overflow-x: auto;
    padding-left: 2px;
    padding-right: 2px;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
    margin-top: 1.5rem;
}
.results-table {
    width: 100%;
    margin: 0 auto;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.95rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}
.results-table tr th, .results-table tr td {
    padding: 12px 18px;
    text-align: center;
    vertical-align: middle;
    border-bottom: 1px solid #dbdbdb;
}
.results-table thead th { background-color: #f5f5f5; font-weight: 600; color: #555; }
.results-table thead tr:first-child th:first-child { border-top-left-radius: 10px; }
.results-table thead tr:first-child th:last-child { border-top-right-radius: 10px; }
.results-table tbody tr:last-child td:first-child { border-bottom-left-radius: 10px; }
.results-table tbody tr:last-child td:last-child { border-bottom-right-radius: 10px; }
.results-table tbody tr:last-child td { border-bottom: none; }
.results-table thead th.spans {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.results-table td.name, .results-table th.name { text-align: left; padding-left: 24px; }
.results-table tr .group-start { border-left: 1px solid var(--line); }
.results-table .group-row td {
    text-align: left;
    background: #fbfbfb;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #a0a0a0;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    padding-left: 24px;
}
.results-table .row-ours { background-color: var(--accent-soft); }
.results-table .row-ours td { color: #1c4f9c; }
.results-table .best { font-weight: 700; }
.results-table .second { text-decoration: underline; text-underline-offset: 3px; }
.table-note {
    font-size: 0.8rem;
    color: var(--faint);
    line-height: 1.55;
    margin-top: 0.9rem;
    text-align: center;
}

/* ---------- Takeaway callout ---------- */
.takeaway {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    background: linear-gradient(135deg, #f6f9fc 0%, #eef2f7 100%);
    border-left: 4px solid var(--accent);
    border-radius: 0 8px 8px 0;
    padding: 1rem 1.25rem;
    margin-top: 1.5rem;
    text-align: left;
}
.takeaway .takeaway-icon { color: var(--accent); margin-top: 0.15rem; }
.takeaway p { margin: 0; font-size: 0.9rem; color: var(--ink-2); line-height: 1.6; }

/* ---------- Code blocks ---------- */
.code-card pre,
#BibTeX pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    text-align: left;
}
.code-card pre code,
#BibTeX pre code { background-color: transparent; color: inherit; padding: 0; }
.code-card { margin-top: 1.5rem; }
.copy-button { position: absolute; top: 10px; right: 10px; z-index: 10; }

/* ---------- Footer ---------- */
.footer { background-color: var(--band); padding: 3rem 1.5rem 2rem; }
.footer a { color: var(--accent); }

/* ---------- Responsive ---------- */
@media screen and (max-width: 768px) {
    .publication-title span { font-size: 1.5rem !important; }
    .stat-ribbon { grid-template-columns: repeat(2, 1fr); }
    .stat-ribbon .stat-num { font-size: 1.4rem; }
    .figure-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
    #ablations .figure-grid.cols-3 { grid-template-columns: 1fr; }
    .section-nav .nav-inner {
        gap: 0;
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        scrollbar-width: none;
    }
    .section-nav .nav-inner::-webkit-scrollbar { display: none; }
    .section-nav a { font-size: 0.68rem; padding: 0.3rem 0.5rem; }
    .results-table .name {
        position: sticky;
        left: 0;
        z-index: 1;
        background: #fff;
        border-right: 1px solid var(--line);
    }
    .results-table thead .name { background: #f5f5f5; }
    .results-table .row-ours .name { background: var(--accent-soft); }
    .results-table { font-size: 0.85rem; }
    .results-table tr th, .results-table tr td { padding: 9px 12px; }
    .results-table td.name, .results-table th.name, .results-table .group-row td { padding-left: 14px; }
    .content.has-text-justified p { font-size: 1rem; text-align: left; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}