/**
 * Datasets (/datasets) — public AI data surface docs.
 */
/* Match encyclopedia/research shell width (1400px). */
.seo-flight-shell:has(.datasets-page) {
    max-width: min(1400px, calc(100vw - 1.5rem));
}

:root[data-theme="dark"] .datasets-page {
    --ds-accent: #49C8BF;
    --ds-accent-strong: #72DCD4;
    --ds-accent-soft: rgba(73, 200, 191, 0.16);
}
.datasets-page {
    --ds-accent: #00c2a8;
    --ds-accent-strong: #008f82;
    --ds-accent-soft: rgba(0, 194, 168, 0.12);
    --ds-text: var(--color-text);
    --ds-muted: var(--color-text-muted);
    --ds-fill: var(--color-surface-muted);
    --ds-surface: var(--color-surface);
    --ds-line: var(--color-border-subtle);
    --ds-radius: 16px;
    --ds-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"] .datasets-page {
    --ds-accent: #49C8BF;
    --ds-accent-strong: #72DCD4;
    --ds-accent-soft: rgba(73, 200, 191, 0.16);
}

.datasets-page {
    --ds-accent: #11877F;
    --ds-accent-strong: #083E40;
    --ds-accent-soft: rgba(17, 135, 127, 0.1);
}
:root[data-theme="dark"] .datasets-page {
    --ds-accent: #00c2a8;
    --ds-accent-strong: #5eead4;
    --ds-accent-soft: rgba(0, 194, 168, 0.18);
}
.ds-hero { margin: 0 0 2rem; }
.ds-eyebrow {
    margin: 0 0 0.45rem;
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ds-muted);
}
.ds-title {
    margin: 0 0 0.75rem;
    max-width: 14ch;
    font-size: clamp(2.1rem, 5vw, 3.1rem);
    font-weight: 700;
    letter-spacing: -0.045em;
    line-height: 1.02;
    color: var(--ds-text);
}
.ds-lede {
    margin: 0;
    max-width: 58ch;
    font-size: 1.0625rem;
    line-height: 1.55;
    letter-spacing: -0.015em;
    color: var(--ds-muted);
}
.ds-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.25rem;
}
.ds-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.55rem 1.05rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.ds-btn--primary {
    background: var(--ds-accent);
    color: #fff;
    border: 1px solid transparent;
}
.ds-btn--primary:hover { background: var(--ds-accent-strong); color: #fff; }
.ds-btn--ghost {
    background: transparent;
    color: var(--ds-text);
    border: 1px solid var(--ds-line);
}
.ds-btn--ghost:hover {
    border-color: var(--ds-accent);
    color: var(--ds-accent-strong);
}
.ds-hero--compact .ds-title {
    max-width: 20ch;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}
.ds-machine-note {
    margin: 1rem 0 0;
    max-width: 70ch;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--ds-muted);
}
.ds-machine-note .ds-code {
    font-size: 0.75rem;
}
.ds-section { margin: 0 0 2.25rem; }
.ds-section__head { margin: 0 0 1rem; }
.ds-section__title {
    margin: 0 0 0.4rem;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--ds-text);
}
.ds-section__lede {
    margin: 0;
    max-width: 62ch;
    font-size: 0.975rem;
    line-height: 1.5;
    color: var(--ds-muted);
}
.ds-principles {
    margin: 0;
    padding: 1.15rem 1.25rem;
    list-style: none;
    display: grid;
    gap: 0.85rem;
    border-radius: var(--ds-radius);
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--ds-accent-soft) 85%, transparent),
        var(--ds-fill)
    );
    border: 0.5px solid var(--ds-line);
}
.ds-principles li {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--ds-text);
}
.ds-principles strong { font-weight: 650; }
.ds-endpoints {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.55rem;
}
.ds-endpoints li {
    display: grid;
    gap: 0.35rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: var(--ds-fill);
    border: 0.5px solid var(--ds-line);
}
.ds-endpoint__top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem 0.85rem;
}
.ds-endpoint__human,
.ds-endpoint__raw,
.ds-link-raw {
    font-size: 0.75rem;
    font-weight: 650;
    text-decoration: none;
}
.ds-endpoint__human { color: var(--ds-accent-strong); }
.ds-endpoint__raw,
.ds-link-raw { color: var(--ds-muted); }
.ds-endpoint__human:hover,
.ds-endpoint__raw:hover,
.ds-link-raw:hover { text-decoration: underline; }
.ds-ops {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.55rem;
}
.ds-op {
    display: grid;
    grid-template-columns: 3.5rem 1fr;
    gap: 0.25rem 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: var(--ds-fill);
    border: 0.5px solid var(--ds-line);
}
.ds-op__method {
    grid-row: span 2;
    align-self: start;
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.06em;
    color: var(--ds-accent-strong);
}
.ds-op .ds-code { grid-column: 2; }
.ds-op .ds-endpoint__desc { grid-column: 2; }
.ds-muted { color: var(--ds-muted); font-weight: 500; }
.ds-endpoint__desc {
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--ds-muted);
}
.ds-examples { display: grid; gap: 0.65rem; }
.ds-pre {
    margin: 0;
    padding: 0.95rem 1.05rem;
    overflow-x: auto;
    border-radius: 12px;
    background: #0f1419;
    color: #e8eef2;
    border: 0.5px solid rgba(255, 255, 255, 0.06);
}
.ds-pre--json { max-height: 22rem; }
.ds-month-grid,
.ds-metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}
.ds-month-card {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1rem 1.05rem;
    border-radius: var(--ds-radius);
    background: var(--ds-surface);
    border: 0.5px solid var(--ds-line);
}
.ds-month-card__label {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ds-text);
}
.ds-month-card__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}
.ds-month-card__links a {
    font-size: 0.8125rem;
    font-weight: 650;
    color: var(--ds-accent-strong);
    text-decoration: none;
}
.ds-month-card__links a:hover { text-decoration: underline; }
.ds-metric {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 1.1rem 1.05rem;
    border-radius: var(--ds-radius);
    background: var(--ds-fill);
    border: 0.5px solid var(--ds-line);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.ds-metric:hover {
    border-color: var(--ds-accent);
    transform: translateY(-1px);
}
.ds-metric__value {
    font-size: 1.65rem;
    font-weight: 750;
    letter-spacing: -0.04em;
    color: var(--ds-text);
}
.ds-metric__label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: capitalize;
    color: var(--ds-muted);
}
.ds-metric__cta {
    margin-top: 0.45rem;
    font-size: 0.75rem;
    font-weight: 650;
    color: var(--ds-accent-strong);
}
.ds-status {
    margin: 0;
    display: grid;
    gap: 0.65rem;
    padding: 1.1rem 1.2rem;
    border-radius: var(--ds-radius);
    background: var(--ds-fill);
    border: 0.5px solid var(--ds-line);
}
.ds-status > div {
    display: grid;
    grid-template-columns: 7.5rem 1fr;
    gap: 0.75rem;
    align-items: baseline;
}
.ds-status dt {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ds-muted);
}
.ds-status dd {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--ds-text);
}
.ds-empty { margin: 0; color: var(--ds-muted); }

@media (max-width: 639px) {
    .seo-flight-shell:has(.datasets-page) {
        max-width: none;
        padding-inline: 0;
    }

    .datasets-page {
        padding-inline: 1rem;
    }
}

:root[data-theme="dark"] .datasets-page {
    --ds-accent: #49C8BF;
    --ds-accent-strong: #72DCD4;
    --ds-accent-soft: rgba(73, 200, 191, 0.16);
}