/* =========================================================================
   FRED data library
   Static, source-led economic data pages with a dependency-free SVG chart.
   ========================================================================= */
.fd-page {
  --fd-line: color-mix(in srgb, var(--color-accent) 24%, var(--color-border));
  --fd-faint: color-mix(in srgb, var(--color-accent) 6%, var(--color-surface));
  color: var(--color-text);
  background: var(--color-bg);
}
.fd-container { width: min(1240px, calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.fd-breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; color: var(--color-text-soft); font-size: .7rem; }
.fd-breadcrumbs a { color: inherit; }
.fd-breadcrumbs a:hover { color: var(--color-accent-deep); }
.fd-breadcrumbs i { width: 18px; height: 1px; background: var(--fd-line); }
.fd-kicker { display: block; color: var(--color-accent-deep); font-family: var(--font-head); font-size: .63rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.fd-rule { height: 1px; background: var(--color-border); }
.fd-trust-row { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; align-items: center; color: var(--color-text-soft); font-size: .68rem; }
.fd-trust-row span { display: inline-flex; align-items: center; gap: .38rem; }
.fd-trust-row i { width: 5px; height: 5px; background: var(--color-accent); }
.fd-source-mark { display: inline-flex; align-items: center; gap: .5rem; color: var(--color-heading); font-family: var(--font-head); font-size: .67rem; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.fd-source-mark::before { content: ""; width: 3px; height: 17px; background: var(--color-accent); }

/* Library and category heroes */
.fd-library-hero { position: relative; overflow: hidden; padding: clamp(2.3rem, 6vw, 5.6rem) 0 clamp(2.2rem, 5vw, 4.6rem); background: var(--color-surface-2); border-bottom: 1px solid var(--color-border); isolation: isolate; }
.fd-library-hero::before { content: ""; position: absolute; z-index: -1; inset: 0 0 0 54%; background-image: linear-gradient(var(--fd-line) 1px, transparent 1px), linear-gradient(90deg, var(--fd-line) 1px, transparent 1px); background-size: 40px 40px; opacity: .45; mask-image: linear-gradient(90deg, transparent, #000 24%); }
.fd-library-hero__top { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin-bottom: clamp(2.2rem, 6vw, 5rem); }
.fd-library-hero__grid { display: grid; gap: 2rem 5rem; align-items: end; }
.fd-library-hero h1 { max-width: 850px; margin: .75rem 0 1rem; color: var(--color-heading); font-size: clamp(2.45rem, 6vw, 5.25rem); line-height: .98; letter-spacing: -.055em; }
.fd-library-hero__lead { max-width: 720px; margin: 0; color: var(--color-text-soft); font-size: clamp(.98rem, 1.7vw, 1.12rem); line-height: 1.75; }
.fd-library-hero__metrics { display: grid; grid-template-columns: repeat(3, 1fr); min-width: min(100%, 420px); background: var(--color-surface); border: 1px solid var(--fd-line); }
.fd-library-hero__metrics span { display: grid; gap: .25rem; padding: 1rem; border-right: 1px solid var(--fd-line); }
.fd-library-hero__metrics span:last-child { border-right: 0; }
.fd-library-hero__metrics b { color: var(--color-heading); font-family: var(--font-head); font-size: 1.35rem; font-variant-numeric: tabular-nums; }
.fd-library-hero__metrics small { color: var(--color-text-soft); font-size: .57rem; letter-spacing: .08em; text-transform: uppercase; }

.fd-section { padding: clamp(2.8rem, 6vw, 5.5rem) 0; }
.fd-section--tint { background: var(--color-surface-2); border-block: 1px solid var(--color-border); }
.fd-section-head { display: grid; gap: .8rem 3rem; margin-bottom: 1.5rem; }
.fd-section-head h2 { max-width: 760px; margin: 0; color: var(--color-heading); font-size: clamp(1.75rem, 3.5vw, 2.75rem); line-height: 1.12; letter-spacing: -.035em; }
.fd-section-head p { max-width: 620px; margin: 0; color: var(--color-text-soft); line-height: 1.7; }
.fd-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .8rem; margin: 1.4rem 0; padding: .75rem; background: var(--color-surface); border: 1px solid var(--color-border); }
.fd-search { width: min(100%, 360px); height: 42px; padding: 0 .9rem; color: var(--color-text); background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 4px; font: 500 .82rem var(--font-body); }
.fd-toolbar__note { color: var(--color-text-soft); font-size: .68rem; }

.fd-category-grid { display: grid; gap: .85rem; }
.fd-category-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 1rem; align-items: center; min-height: 154px; padding: 1.2rem; color: inherit; background: var(--color-surface); border: 1px solid var(--color-border); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); }
.fd-category-card::before { content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 0; background: var(--color-accent); transition: height .45s ease; }
.fd-category-card:hover { transform: translateY(-3px); border-color: var(--fd-line); box-shadow: var(--shadow-md); }
.fd-category-card:hover::before { height: 100%; }
.fd-category-card__number { align-self: start; color: var(--color-accent-deep); font-family: var(--font-head); font-size: .67rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.fd-category-card__body { min-width: 0; }
.fd-category-card__body small { color: var(--color-accent-deep); font-family: var(--font-head); font-size: .56rem; font-weight: 800; letter-spacing: .13em; }
.fd-category-card h3 { margin: .38rem 0 .55rem; color: var(--color-heading); font-size: clamp(1.12rem, 2vw, 1.42rem); }
.fd-category-card p { max-width: 680px; margin: 0; color: var(--color-text-soft); font-size: .78rem; line-height: 1.65; }
.fd-category-card__meta { display: grid; justify-items: end; gap: .45rem; color: var(--color-text-soft); font-size: .6rem; white-space: nowrap; }
.fd-category-card__arrow { display: grid; place-items: center; width: 34px; height: 34px; color: var(--color-accent-deep); border: 1px solid var(--fd-line); }

.fd-standards { display: grid; border: 1px solid var(--color-border); background: var(--color-surface); }
.fd-standard { padding: 1.35rem; border-bottom: 1px solid var(--color-border); }
.fd-standard:last-child { border-bottom: 0; }
.fd-standard b { display: block; margin-bottom: .45rem; color: var(--color-heading); font-family: var(--font-head); font-size: .86rem; }
.fd-standard p { margin: 0; color: var(--color-text-soft); font-size: .75rem; line-height: 1.65; }

/* Category hub */
.fd-category-summary { display: grid; gap: 1rem 4rem; margin-top: 1.6rem; padding: 1.35rem; background: var(--color-surface); border-left: 3px solid var(--color-accent); }
.fd-category-summary strong { color: var(--color-heading); font-family: var(--font-head); font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; }
.fd-category-summary p { margin: 0; color: var(--color-text-soft); font-size: .84rem; line-height: 1.75; }
.fd-dataset-list { display: grid; gap: .8rem; }
.fd-dataset-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.3rem; align-items: center; padding: 1.25rem; color: inherit; background: var(--color-surface); border: 1px solid var(--color-border); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); }
.fd-dataset-card:hover { transform: translateY(-3px); border-color: var(--color-accent); box-shadow: var(--shadow-sm); }
.fd-dataset-card__top { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; margin-bottom: .55rem; }
.fd-dataset-card__id { padding: .2rem .42rem; color: var(--color-accent-deep); background: var(--color-accent-soft); font-family: var(--font-head); font-size: .54rem; font-weight: 800; letter-spacing: .06em; }
.fd-dataset-card__source { color: var(--color-text-soft); font-size: .6rem; }
.fd-dataset-card h3 { margin: 0 0 .45rem; color: var(--color-heading); font-size: 1.15rem; }
.fd-dataset-card p { margin: 0; color: var(--color-text-soft); font-size: .75rem; line-height: 1.6; }
.fd-dataset-card__stat { min-width: 132px; padding-left: 1.2rem; border-left: 1px solid var(--color-border); text-align: right; }
.fd-dataset-card__stat b { display: block; color: var(--color-heading); font-family: var(--font-head); font-size: 1.3rem; font-variant-numeric: tabular-nums; }
.fd-dataset-card__stat span { color: var(--color-text-soft); font-size: .58rem; }
.fd-planned { margin-top: 2rem; padding: 1.2rem; background: var(--fd-faint); border: 1px solid var(--fd-line); }
.fd-planned strong { display: block; margin-bottom: .7rem; color: var(--color-heading); font-family: var(--font-head); font-size: .75rem; }
.fd-planned__list { display: flex; flex-wrap: wrap; gap: .5rem; }
.fd-planned__list span { padding: .42rem .6rem; color: var(--color-text-soft); background: var(--color-surface); border: 1px solid var(--color-border); font-size: .64rem; }

/* Individual series page */
.fd-series-page { padding: 1.45rem 0 clamp(3.5rem, 7vw, 6.5rem); }
.fd-series-head { display: grid; gap: 1.2rem 3rem; align-items: end; padding: 1.35rem 0 1.2rem; }
.fd-series-head h1 { max-width: 880px; margin: .45rem 0 .65rem; color: var(--color-heading); font-size: clamp(2rem, 4.5vw, 3.75rem); line-height: 1.02; letter-spacing: -.045em; }
.fd-series-head__subtitle { max-width: 820px; margin: 0; color: var(--color-text-soft); font-size: .82rem; line-height: 1.6; }
.fd-series-head__meta { display: grid; justify-items: start; gap: .65rem; }
.fd-byline { color: var(--color-text-soft); font-size: .67rem; }
.fd-byline b { color: var(--color-heading); }

.fd-data-stage { display: grid; gap: .8rem; align-items: stretch; }
.fd-headline-stat { position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 226px; padding: 1.35rem; color: var(--color-on-ink); background: var(--color-ink); border: 1px solid color-mix(in srgb, var(--color-gold-bright) 28%, transparent); }
.fd-headline-stat::after { content: ""; position: absolute; right: -34px; bottom: -52px; width: 145px; height: 180px; border-left: 1px solid rgba(232,200,126,.2); background: linear-gradient(90deg, rgba(232,200,126,.05), transparent); transform: rotate(28deg); }
.fd-headline-stat > * { position: relative; z-index: 1; }
.fd-headline-stat__label { color: color-mix(in srgb, var(--color-on-ink) 56%, transparent); font-family: var(--font-head); font-size: .57rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.fd-headline-stat__value { margin: .65rem 0 .2rem; color: var(--color-gold-bright); font-family: var(--font-head); font-size: clamp(2.8rem, 6vw, 4.5rem); font-weight: 750; line-height: .95; letter-spacing: -.055em; font-variant-numeric: tabular-nums; }
.fd-headline-stat__period { color: color-mix(in srgb, var(--color-on-ink) 66%, transparent); font-size: .66rem; }
.fd-headline-stat__changes { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: auto; border-top: 1px solid rgba(232,200,126,.2); }
.fd-headline-stat__changes span { display: grid; gap: .22rem; padding: .9rem .65rem 0 0; }
.fd-headline-stat__changes span + span { padding-left: .8rem; border-left: 1px solid rgba(232,200,126,.2); }
.fd-headline-stat__changes small { color: color-mix(in srgb, var(--color-on-ink) 48%, transparent); font-size: .5rem; letter-spacing: .08em; text-transform: uppercase; }
.fd-headline-stat__changes b { color: var(--color-on-ink); font-family: var(--font-head); font-size: .85rem; font-variant-numeric: tabular-nums; }

.fd-chart-card { position: relative; min-width: 0; padding: 1rem 1rem .8rem; background: var(--color-surface); border: 1px solid var(--color-border); }
.fd-chart-card__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .65rem; margin-bottom: .55rem; }
.fd-chart-card__title { color: var(--color-heading); font-family: var(--font-head); font-size: .74rem; font-weight: 750; }
.fd-chart-controls { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .4rem; }
.fd-chart-types, .fd-chart-ranges, .fd-chart-actions { display: inline-flex; border: 1px solid var(--color-border); }
.fd-chart-types button, .fd-chart-ranges button, .fd-chart-actions button { min-width: 40px; padding: .38rem .5rem; color: var(--color-text-soft); background: transparent; border: 0; border-right: 1px solid var(--color-border); font: 700 .55rem var(--font-head); cursor: pointer; transition: color var(--transition), background var(--transition); }
.fd-chart-types button:last-child, .fd-chart-ranges button:last-child, .fd-chart-actions button:last-child { border-right: 0; }
.fd-chart-types button:hover, .fd-chart-ranges button:hover, .fd-chart-actions button:hover { color: var(--color-heading); background: var(--fd-faint); }
.fd-chart-types button.is-active, .fd-chart-ranges button.is-active { color: #fff; background: var(--fd-chart-accent, var(--color-accent)); }
.fd-chart-actions button[aria-expanded="true"] { color: var(--color-heading); background: var(--fd-faint); box-shadow: inset 0 -2px var(--fd-chart-accent, var(--color-accent)); }
.fd-chart-panel { margin: 0 0 .7rem; padding: .85rem; background: var(--color-surface-2); border: 1px solid var(--color-border); border-left: 3px solid var(--fd-chart-accent, var(--color-accent)); }
.fd-chart-panel[hidden] { display: none; }
.fd-chart-panel__head { display: flex; justify-content: space-between; align-items: start; gap: 1rem; padding-bottom: .7rem; border-bottom: 1px solid var(--color-border); }
.fd-chart-panel__head > div { display: grid; gap: .15rem; }
.fd-chart-panel__head strong { color: var(--color-heading); font-family: var(--font-head); font-size: .7rem; }
.fd-chart-panel__head span { color: var(--color-text-soft); font-size: .58rem; }
.fd-chart-panel__head button { padding: .3rem .45rem; color: var(--color-text-soft); background: transparent; border: 1px solid var(--color-border); font: 700 .52rem var(--font-head); cursor: pointer; }
.fd-chart-panel__head button:hover { color: var(--color-heading); border-color: var(--fd-chart-accent, var(--color-accent)); }
.fd-chart-settings { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .65rem; padding-top: .75rem; }
.fd-chart-settings > label:not(.fd-chart-switch), .fd-chart-export__settings > label { display: grid; gap: .3rem; }
.fd-chart-settings label > span, .fd-chart-export__settings label > span { color: var(--color-text-soft); font-family: var(--font-head); font-size: .5rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
.fd-chart-settings select, .fd-chart-export__settings select { width: 100%; height: 35px; padding: 0 .55rem; color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 0; font: 600 .61rem var(--font-body); }
.fd-chart-settings select:focus, .fd-chart-export__settings select:focus { outline: 1px solid var(--fd-chart-accent, var(--color-accent)); outline-offset: 1px; }
.fd-chart-switch { display: flex; align-items: center; gap: .45rem; min-height: 35px; padding: .45rem .55rem; color: var(--color-text-soft); background: var(--color-surface); border: 1px solid var(--color-border); cursor: pointer; }
.fd-chart-switch input { width: 14px; height: 14px; margin: 0; accent-color: var(--fd-chart-accent, var(--color-accent)); }
.fd-chart-switch span { color: var(--color-text-soft); font-size: .58rem; font-weight: 650; }
.fd-chart-export__settings { display: grid; grid-template-columns: minmax(180px, .65fr) minmax(150px, .55fr) 1fr; gap: .65rem; align-items: end; padding-top: .75rem; }
.fd-chart-export__buttons { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--color-border); }
.fd-chart-export__buttons button { min-height: 35px; padding: .35rem .45rem; color: var(--color-heading); background: var(--color-surface); border: 0; border-right: 1px solid var(--color-border); font: 750 .56rem var(--font-head); cursor: pointer; }
.fd-chart-export__buttons button:last-child { border-right: 0; }
.fd-chart-export__buttons button:hover { color: #fff; background: var(--fd-chart-accent, var(--color-accent)); }
.fd-export-status { display: block; min-height: 1em; margin-top: .45rem; color: var(--color-text-soft); font-size: .55rem; }
.fd-chart-wrap { position: relative; width: 100%; min-height: 250px; }
.fd-chart-svg { display: block; width: 100%; height: clamp(250px, 31vw, 330px); overflow: visible; touch-action: pan-y; }
.fd-chart-grid { stroke: var(--color-border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.fd-chart-grid--vertical { opacity: .55; }
.fd-chart-axis { fill: var(--color-text-soft); font: 500 11px var(--font-body); }
.fd-chart-unit { fill: var(--color-text-soft); font: 700 9px var(--font-head); letter-spacing: .02em; }
.fd-chart-source { fill: var(--color-text-soft); font: 500 8px var(--font-body); }
.fd-chart-line { fill: none; stroke: var(--fd-chart-accent, var(--color-accent)); stroke-width: var(--fd-chart-stroke, 3); stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.fd-chart-area { fill: url(#fd-chart-area); }
.fd-chart-bar { fill: var(--fd-chart-accent, var(--color-accent)); opacity: .82; }
.fd-chart-bar.is-selected { opacity: 1; stroke: var(--color-heading); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.fd-chart-point { fill: var(--color-surface); stroke: var(--fd-chart-accent, var(--color-accent)); stroke-width: 2; vector-effect: non-scaling-stroke; }
.fd-chart-value { fill: var(--color-heading); font: 750 10px var(--font-head); paint-order: stroke; stroke: var(--color-surface); stroke-width: 3px; stroke-linejoin: round; }
.fd-chart-dot { fill: var(--color-surface); stroke: var(--fd-chart-accent, var(--color-accent)); stroke-width: 3; vector-effect: non-scaling-stroke; }
.fd-chart-crosshair { stroke: var(--fd-chart-accent, var(--color-accent)); stroke-width: 1; stroke-dasharray: 4 4; vector-effect: non-scaling-stroke; }
.fd-chart-crosshair--horizontal { opacity: .55; }
.fd-chart-halo { fill: color-mix(in srgb, var(--fd-chart-accent, var(--color-accent)) 16%, transparent); stroke: var(--fd-chart-accent, var(--color-accent)); stroke-width: 1; vector-effect: non-scaling-stroke; }
.fd-chart-hit { fill: transparent; cursor: crosshair; }
.fd-chart-brand rect { fill: color-mix(in srgb, var(--color-surface) 88%, transparent); stroke: var(--fd-chart-accent, var(--color-accent)); stroke-width: 1; vector-effect: non-scaling-stroke; }
.fd-chart-brand__sub { fill: var(--color-text-soft); font: 700 6px var(--font-head); letter-spacing: .17em; }
.fd-chart-tooltip { position: absolute; z-index: 3; display: grid; gap: .16rem; min-width: 190px; padding: .65rem .72rem; color: var(--color-on-ink); background: var(--color-ink); border: 1px solid color-mix(in srgb, var(--color-gold-bright) 35%, transparent); border-radius: 0; box-shadow: var(--shadow-md); pointer-events: none; transform: translate(-50%, calc(-100% - 12px)); }
.fd-chart-tooltip strong { color: color-mix(in srgb, var(--color-on-ink) 56%, transparent); font: 750 .46rem var(--font-head); letter-spacing: .12em; text-transform: uppercase; }
.fd-chart-tooltip b { display: block; color: var(--fd-chart-accent, var(--color-gold-bright)); font-family: var(--font-head); font-size: .78rem; }
.fd-chart-tooltip span { color: color-mix(in srgb, var(--color-on-ink) 68%, transparent); font-size: .58rem; }
.fd-chart-tooltip small { color: var(--color-on-ink); font-size: .54rem; font-weight: 650; }
.fd-chart-tooltip em { margin-top: .2rem; padding-top: .3rem; color: color-mix(in srgb, var(--color-on-ink) 48%, transparent); border-top: 1px solid color-mix(in srgb, var(--color-on-ink) 16%, transparent); font-size: .46rem; font-style: normal; }
.fd-chart-navigator { display: grid; grid-template-columns: auto minmax(100px, 1fr) auto; gap: .65rem; align-items: center; margin-top: .18rem; padding: .45rem .6rem; color: var(--color-text-soft); background: var(--color-surface-2); border: 1px solid var(--color-border); }
.fd-chart-navigator span { min-width: 58px; font: 650 .49rem var(--font-head); font-variant-numeric: tabular-nums; }
.fd-chart-navigator span:last-child { text-align: right; }
.fd-chart-navigator input { width: 100%; height: 18px; margin: 0; accent-color: var(--fd-chart-accent, var(--color-accent)); cursor: ew-resize; }
.fd-chart-navigator input::-webkit-slider-runnable-track { height: 2px; background: var(--color-border-strong, var(--color-border)); }
.fd-chart-navigator input::-webkit-slider-thumb { width: 12px; height: 12px; margin-top: -5px; background: var(--fd-chart-accent, var(--color-accent)); border: 2px solid var(--color-surface); border-radius: 0; box-shadow: 0 0 0 1px var(--fd-chart-accent, var(--color-accent)); appearance: none; }
.fd-chart-observation { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--color-border); border-top: 0; }
.fd-chart-observation > span { display: grid; gap: .12rem; min-width: 0; padding: .6rem .68rem; border-right: 1px solid var(--color-border); }
.fd-chart-observation > span:last-child { border-right: 0; }
.fd-chart-observation small { color: var(--color-text-soft); font-size: .44rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.fd-chart-observation b { overflow: hidden; color: var(--color-heading); font: 720 .65rem var(--font-head); font-variant-numeric: tabular-nums; text-overflow: ellipsis; white-space: nowrap; }
.fd-chart-observation em { overflow: hidden; color: var(--color-text-soft); font-size: .47rem; font-style: normal; text-overflow: ellipsis; white-space: nowrap; }
.fd-chart-insights { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: .2rem; border: 1px solid var(--color-border); }
.fd-chart-insights span { display: grid; gap: .13rem; min-width: 0; padding: .55rem .65rem; border-right: 1px solid var(--color-border); }
.fd-chart-insights span:last-child { border-right: 0; }
.fd-chart-insights small { color: var(--color-text-soft); font-size: .45rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.fd-chart-insights b { overflow: hidden; color: var(--color-heading); font-family: var(--font-head); font-size: .7rem; font-variant-numeric: tabular-nums; text-overflow: ellipsis; white-space: nowrap; }
.fd-chart-insights em { overflow: hidden; color: var(--color-text-soft); font-size: .49rem; font-style: normal; text-overflow: ellipsis; white-space: nowrap; }
.fd-chart-card__foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; padding-top: .6rem; color: var(--color-text-soft); border-top: 1px solid var(--color-border); font-size: .56rem; }

.fd-trust-panel { display: grid; margin-top: .8rem; background: var(--color-surface-2); border: 1px solid var(--color-border); }
.fd-trust-panel > div { padding: .75rem .9rem; border-bottom: 1px solid var(--color-border); }
.fd-trust-panel > div:last-child { border-bottom: 0; }
.fd-trust-panel small { display: block; margin-bottom: .22rem; color: var(--color-text-soft); font-size: .5rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.fd-trust-panel b, .fd-trust-panel a { color: var(--color-heading); font-family: var(--font-head); font-size: .68rem; font-weight: 700; }
.fd-trust-panel a:hover { color: var(--color-accent-deep); }

.fd-analysis-grid { display: grid; gap: .8rem; margin-top: clamp(2rem, 5vw, 4rem); }
.fd-analysis-card { padding: clamp(1.3rem, 3vw, 2rem); background: var(--color-surface); border: 1px solid var(--color-border); }
.fd-analysis-card--featured { border-top: 3px solid var(--color-accent); }
.fd-analysis-card h2 { margin: .55rem 0 .8rem; color: var(--color-heading); font-size: clamp(1.35rem, 2.5vw, 1.9rem); }
.fd-analysis-card p { margin: 0; color: var(--color-text-soft); font-size: .88rem; line-height: 1.82; }
.fd-analysis-card p + p { margin-top: .9rem; }
.fd-disclaimer { margin-top: 1rem; padding-top: 1rem; color: var(--color-text-soft); border-top: 1px solid var(--color-border); font-size: .65rem; line-height: 1.6; }

.fd-observations { margin-top: .8rem; background: var(--color-surface); border: 1px solid var(--color-border); }
.fd-observations__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .7rem; align-items: center; padding: 1rem; border-bottom: 1px solid var(--color-border); }
.fd-observations__head h2 { margin: 0; color: var(--color-heading); font-size: 1rem; }
.fd-download { padding: .45rem .65rem; color: var(--color-accent-deep); background: transparent; border: 1px solid var(--fd-line); border-radius: 3px; font: 700 .63rem var(--font-head); cursor: pointer; }
.fd-download:hover { color: var(--color-on-accent); background: var(--color-accent); }
.fd-table-wrap { overflow-x: auto; }
.fd-table { width: 100%; border-collapse: collapse; font-size: .72rem; }
.fd-table th, .fd-table td { padding: .7rem 1rem; border-bottom: 1px solid var(--color-border); text-align: left; }
.fd-table th { color: var(--color-text-soft); background: var(--color-surface-2); font-family: var(--font-head); font-size: .55rem; letter-spacing: .08em; text-transform: uppercase; }
.fd-table td:last-child, .fd-table th:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.fd-table tr:last-child td { border-bottom: 0; }
.fd-related { margin-top: 1.2rem; }
.fd-related h2 { margin: 0 0 .8rem; color: var(--color-heading); font-size: 1.1rem; }
.fd-related__links { display: grid; gap: .55rem; }
.fd-related__links a { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 1rem; color: var(--color-heading); background: var(--color-surface); border: 1px solid var(--color-border); font-family: var(--font-head); font-size: .74rem; font-weight: 700; }
.fd-related__links a:hover { border-color: var(--color-accent); color: var(--color-accent-deep); }
.fd-loading, .fd-error { padding: 3rem 1rem; color: var(--color-text-soft); text-align: center; }
.fd-error strong { display: block; margin-bottom: .45rem; color: var(--color-heading); }

@media (min-width: 680px) {
  .fd-category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fd-standards { grid-template-columns: repeat(3, 1fr); }
  .fd-standard { border-right: 1px solid var(--color-border); border-bottom: 0; }
  .fd-standard:last-child { border-right: 0; }
  .fd-trust-panel { grid-template-columns: repeat(4, 1fr); }
  .fd-trust-panel > div { border-right: 1px solid var(--color-border); border-bottom: 0; }
  .fd-trust-panel > div:last-child { border-right: 0; }
}
@media (min-width: 860px) {
  .fd-library-hero__grid { grid-template-columns: minmax(0, 1fr) auto; }
  .fd-section-head { grid-template-columns: minmax(0, 1fr) minmax(320px, .7fr); align-items: end; }
  .fd-category-summary { grid-template-columns: 180px 1fr; }
  .fd-series-head { grid-template-columns: minmax(0, 1fr) auto; }
  .fd-series-head__meta { justify-items: end; text-align: right; }
  .fd-data-stage { grid-template-columns: minmax(230px, .34fr) minmax(0, 1fr); }
  .fd-analysis-grid { grid-template-columns: 1fr 1fr; }
  .fd-analysis-card--wide { grid-column: 1 / -1; }
}
@media (min-width: 1080px) {
  .fd-category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .fd-category-card { grid-template-columns: 38px minmax(0, 1fr) auto; }
}
@media (max-width: 859px) {
  .fd-chart-settings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fd-chart-export__settings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fd-chart-export__buttons { grid-column: 1 / -1; }
}
@media (max-width: 679px) {
  .fd-library-hero__top { align-items: flex-start; flex-direction: column; margin-bottom: 2rem; }
  .fd-library-hero__metrics { width: 100%; min-width: 0; }
  .fd-library-hero__metrics span { padding: .8rem .65rem; }
  .fd-category-card { grid-template-columns: 30px minmax(0, 1fr); min-height: 0; }
  .fd-category-card__meta { grid-column: 2; grid-template-columns: 1fr auto; justify-items: start; align-items: center; }
  .fd-dataset-card { grid-template-columns: 1fr; }
  .fd-dataset-card__stat { padding: .8rem 0 0; border-top: 1px solid var(--color-border); border-left: 0; text-align: left; }
  .fd-series-page { padding-top: .9rem; }
  .fd-series-head { padding: .9rem 0; }
  .fd-series-head h1 { font-size: clamp(1.8rem, 10vw, 2.65rem); }
  .fd-headline-stat { min-height: 172px; }
  .fd-headline-stat__value { font-size: 2.8rem; }
  .fd-chart-card { padding-inline: .55rem; }
  .fd-chart-card__top { align-items: flex-start; }
  .fd-chart-card__title { width: 100%; }
  .fd-chart-controls { width: 100%; justify-content: flex-start; }
  .fd-chart-types button, .fd-chart-ranges button, .fd-chart-actions button { min-width: 38px; padding-inline: .42rem; }
  .fd-chart-panel { padding: .7rem; }
  .fd-chart-settings, .fd-chart-export__settings { grid-template-columns: 1fr 1fr; }
  .fd-chart-export__buttons { grid-column: 1 / -1; }
  .fd-chart-wrap { min-height: 225px; }
  .fd-chart-svg { height: 235px; }
  .fd-chart-tooltip { min-width: 168px; }
  .fd-chart-navigator { grid-template-columns: minmax(46px, auto) 1fr minmax(46px, auto); gap: .4rem; padding-inline: .45rem; }
  .fd-chart-observation { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fd-chart-observation > span { border-bottom: 1px solid var(--color-border); }
  .fd-chart-observation > span:nth-child(2n) { border-right: 0; }
  .fd-chart-observation > span:nth-last-child(-n + 2) { border-bottom: 0; }
  .fd-chart-insights { grid-template-columns: repeat(2, 1fr); }
  .fd-chart-insights span { border-bottom: 1px solid var(--color-border); }
  .fd-chart-insights span:nth-child(2n) { border-right: 0; }
  .fd-chart-insights span:nth-last-child(-n + 2) { border-bottom: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .fd-library-hero h1, .fd-library-hero__lead, .fd-library-hero__metrics { animation: fd-rise .65s cubic-bezier(.2,.8,.2,1) both; }
  .fd-library-hero__lead { animation-delay: .08s; }
  .fd-library-hero__metrics { animation-delay: .14s; }
  .fd-chart-line { stroke-dasharray: 1600; stroke-dashoffset: 1600; animation: fd-line 1s cubic-bezier(.2,.8,.2,1) .12s forwards; }
  @keyframes fd-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
  @keyframes fd-line { to { stroke-dashoffset: 0; } }
}