:root {
    --ds-ink: #142a3a;
    --ds-muted: #728293;
    --ds-line: #e1e9eb;
    --ds-surface: #ffffff;
    --ds-page: #f6f8f7;
    --ds-teal: #167a76;
    --ds-teal-deep: #105e5d;
    --ds-lime: #d3ec7c;
    --ds-blue: #dfeefa;
    --ds-shadow: 0 18px 50px rgba(22, 52, 66, .08);
}

html { scroll-behavior: smooth; }
.datasets-body { margin: 0; background: var(--ds-page); color: var(--ds-ink); font-family: 'DM Sans', system-ui, sans-serif; }
.datasets-body *, .datasets-body *::before, .datasets-body *::after { box-sizing: border-box; }
.datasets-body [hidden] { display: none !important; }
.datasets-app { min-height: 70vh; padding-bottom: 74px; }
.datasets-shell { width: min(1220px, calc(100% - 44px)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.datasets-hero { position: relative; overflow: hidden; padding: 76px max(22px, calc((100vw - 1220px) / 2)) 24px; background: #183d4d; color: #fff; }
.datasets-hero::before { position: absolute; top: -420px; right: -210px; width: 900px; height: 900px; border: 1px solid rgba(211, 236, 124, .16); border-radius: 50%; content: ''; }
.datasets-hero::after { position: absolute; top: -260px; right: 85px; width: 540px; height: 540px; border: 1px solid rgba(211, 236, 124, .15); border-radius: 50%; content: ''; }
.datasets-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; width: min(1220px, 100%); min-height: 390px; margin: 0 auto; }
.datasets-hero-copy { max-width: 650px; padding: 10px 0 34px; }
.datasets-eyebrow, .datasets-kicker { display: flex; align-items: center; gap: 9px; color: #9dc9bd; font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.datasets-eyebrow-dot { width: 7px; height: 7px; border-radius: 99px; background: var(--ds-lime); box-shadow: 0 0 0 5px rgba(211, 236, 124, .13); }
.datasets-hero h1, .datasets-admin-intro h1, .datasets-study-intro h1 { margin: 23px 0 15px; color: #fff; font-family: Manrope, sans-serif; font-size: clamp(42px, 6vw, 70px); font-weight: 800; letter-spacing: -.055em; line-height: 1.05; }
.datasets-hero h1 span { color: var(--ds-lime); }
.datasets-hero-copy > p { max-width: 560px; margin: 0 0 28px; color: #d4e1e3; font-size: 17px; line-height: 1.7; }
.datasets-button { display: inline-flex; min-height: 45px; align-items: center; justify-content: center; gap: 12px; padding: 0 18px; border: 1px solid transparent; border-radius: 10px; font: 700 14px 'DM Sans', sans-serif; text-decoration: none; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.datasets-button:hover { transform: translateY(-1px); }
.datasets-button:focus-visible, .datasets-card a:focus-visible, .datasets-category-chip:focus-visible, .datasets-mini-button:focus-visible { outline: 3px solid rgba(34, 131, 124, .35); outline-offset: 3px; }
.datasets-button-light { background: #fff; color: #164e53; box-shadow: 0 9px 25px rgba(0, 0, 0, .13); }
.datasets-button-light:hover { background: #f1f7e4; }
.datasets-button-primary { background: var(--ds-teal); color: #fff; box-shadow: 0 9px 20px rgba(22, 122, 118, .16); }
.datasets-button-primary:hover { background: var(--ds-teal-deep); color: #fff; }
.datasets-button-outline { border-color: var(--ds-line); background: #fff; color: var(--ds-ink); }
.datasets-button-outline:hover { border-color: #93c9bd; background: #f7fbf8; }
.datasets-button-favorite { border-color: #ecd3d7; background: #fff8f8; color: #a83e53; }
.datasets-hero-art { position: relative; min-height: 330px; }
.datasets-orbit { position: absolute; top: 48%; left: 50%; border: 1px solid rgba(211, 236, 124, .28); border-radius: 50%; transform: translate(-50%, -50%) rotate(-18deg); }
.datasets-orbit-one { width: 375px; height: 205px; }
.datasets-orbit-two { width: 300px; height: 310px; transform: translate(-50%, -50%) rotate(35deg); }
.datasets-art-card { position: absolute; top: 50%; left: 50%; display: flex; width: 225px; height: 255px; flex-direction: column; align-items: flex-start; padding: 28px; border: 1px solid rgba(255, 255, 255, .58); border-radius: 22px; background: linear-gradient(150deg, rgba(247, 251, 245, .98), rgba(224, 241, 226, .96)); box-shadow: 0 25px 50px rgba(0, 0, 0, .2); color: var(--ds-ink); transform: translate(-50%, -50%) rotate(4deg); }
.datasets-art-symbol { display: grid; width: 55px; height: 55px; place-items: center; border-radius: 16px; background: #d9eaa5; color: #355f57; font: 700 29px Manrope, sans-serif; }
.datasets-art-label { margin: 28px 0 19px; color: #52766f; font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.datasets-art-line { display: block; height: 8px; margin-bottom: 10px; border-radius: 10px; background: #bfd8d3; }
.datasets-art-line-one { width: 100%; }.datasets-art-line-two { width: 79%; }.datasets-art-line-three { width: 57%; }
.datasets-art-pill { position: absolute; z-index: 1; display: inline-flex; padding: 12px 16px; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; color: var(--ds-ink); font-size: 13px; font-weight: 700; box-shadow: 0 12px 25px rgba(0, 0, 0, .14); }
.datasets-art-pill-blue { top: 58px; right: 26px; background: #c9e2fa; transform: rotate(8deg); }.datasets-art-pill-green { right: 20px; bottom: 39px; background: var(--ds-lime); transform: rotate(-8deg); }
.datasets-art-spark { position: absolute; color: var(--ds-lime); font-size: 30px; }.datasets-art-spark-one { top: 29px; left: 55px; }.datasets-art-spark-two { bottom: 38px; left: 70px; font-size: 36px; }
.datasets-hero-foot { display: flex; width: min(1220px, 100%); justify-content: space-between; gap: 16px; margin: 26px auto 0; padding-top: 17px; border-top: 1px solid rgba(255, 255, 255, .16); color: #b7cccd; font-size: 11px; letter-spacing: .045em; }

.datasets-shell { padding-top: 64px; }
.datasets-section-heading, .datasets-panel-heading, .datasets-admin-intro, .datasets-study-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.datasets-heading-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.datasets-section-heading { margin-bottom: 26px; }
.datasets-app .datasets-kicker { margin-bottom: 9px; color: var(--ds-teal); }
.datasets-section-heading h2, .datasets-panel-heading h2, .datasets-detail-info h2, .datasets-study-settings h2 { margin: 0; color: var(--ds-ink); font-family: Manrope, sans-serif; font-size: clamp(25px, 3vw, 34px); font-weight: 800; letter-spacing: -.045em; }
.datasets-section-heading p, .datasets-panel-heading p { margin: 8px 0 0; color: var(--ds-muted); font-size: 14px; line-height: 1.65; }
.datasets-category-row { display: flex; gap: 9px; margin: 0 0 24px; overflow-x: auto; padding: 2px 1px 10px; scrollbar-width: thin; }
.datasets-category-chip { display: inline-flex; min-width: max-content; align-items: center; gap: 9px; padding: 10px 13px; border: 1px solid var(--ds-line); border-radius: 12px; background: #fff; color: #4b5f6d; font-size: 13px; font-weight: 600; text-decoration: none; transition: border .2s, color .2s, background .2s; }
.datasets-category-chip:hover, .datasets-category-chip.is-active { border-color: #96c9bf; background: #eff8f4; color: var(--ds-teal-deep); }
.datasets-category-chip b { display: inline-grid; min-width: 22px; height: 22px; place-items: center; padding: 0 5px; border-radius: 7px; background: #f1f4f5; color: #738390; font-size: 10px; }
.datasets-category-chip.is-active b { background: #d4ebe3; color: #145c56; }
.datasets-chip-icon { color: #67898c; font-size: 17px; }
.datasets-filter-bar { display: flex; align-items: stretch; gap: 9px; padding: 11px; border: 1px solid var(--ds-line); border-radius: 15px; background: #fff; box-shadow: 0 7px 20px rgba(24, 50, 62, .035); }
.datasets-search-field { display: flex; min-width: 190px; flex: 1; align-items: center; gap: 10px; padding: 0 11px; border: 1px solid transparent; border-radius: 9px; background: #f5f8f7; }
.datasets-search-icon { color: #67858a; font-size: 23px; line-height: 1; }
.datasets-search-field input, .datasets-select-field select, .datasets-filter-submit, .datasets-admin-search input, .datasets-admin-list-filter input, .datasets-admin-list-filter select { min-height: 42px; border: 0; outline: 0; background: transparent; color: var(--ds-ink); font: 500 13px 'DM Sans', sans-serif; }
.datasets-search-field input { width: 100%; }
.datasets-search-field input::placeholder, .datasets-admin-search input::placeholder, .datasets-admin-list-filter input::placeholder { color: #95a2ad; }
.datasets-select-field { display: flex; min-width: 132px; flex-direction: column; justify-content: center; padding: 0 10px; border-left: 1px solid #edf1f0; }
.datasets-select-field > span { padding-left: 2px; color: #8996a0; font-size: 10px; }
.datasets-select-field select { min-height: 25px; padding: 0 16px 0 2px; cursor: pointer; }
.datasets-filter-submit { min-width: 76px; padding: 0 14px; border-radius: 9px; background: var(--ds-teal); color: #fff; font-weight: 700; cursor: pointer; }
.datasets-filter-submit:hover { background: var(--ds-teal-deep); }
.datasets-results-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 26px 0 15px; color: var(--ds-muted); font-size: 12px; }
.datasets-results-heading p { margin: 0; }.datasets-results-heading strong { color: var(--ds-ink); font-size: 14px; }.datasets-results-heading > span { font-size: 11px; }
.datasets-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.datasets-card { display: flex; min-height: 310px; flex-direction: column; padding: 22px; border: 1px solid var(--ds-line); border-radius: 16px; background: #fff; box-shadow: 0 8px 25px rgba(22, 52, 66, .035); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.datasets-card:hover { transform: translateY(-3px); border-color: #b6d4cd; box-shadow: var(--ds-shadow); }
.datasets-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.datasets-card-category { display: inline-flex; align-items: center; gap: 7px; color: #648079; font-size: 11px; font-weight: 700; }.datasets-card-category i { font-size: 16px; font-style: normal; }
.datasets-featured-label { padding: 5px 8px; border-radius: 6px; background: #f0f7d9; color: #6b7e27; font-size: 9px; font-weight: 800; letter-spacing: .09em; }
.datasets-card h3 { margin: 20px 0 9px; font: 750 19px/1.35 Manrope, sans-serif; letter-spacing: -.03em; }.datasets-card h3 a { color: var(--ds-ink); text-decoration: none; }.datasets-card h3 a:hover { color: var(--ds-teal); }
.datasets-card-description { min-height: 62px; margin: 0; color: var(--ds-muted); font-size: 13px; line-height: 1.6; }
.datasets-card-tags { display: flex; min-height: 28px; flex-wrap: wrap; gap: 6px; margin: 15px 0 13px; }.datasets-card-tags span { padding: 5px 8px; border-radius: 6px; background: #f1f5f4; color: #607880; font-size: 10px; font-weight: 600; }
.datasets-card-meta { display: grid; grid-template-columns: 1.4fr .8fr; gap: 12px; padding: 12px 0; border-top: 1px solid #edf1f0; }.datasets-card-meta span { display: flex; min-width: 0; flex-direction: column; gap: 4px; }.datasets-card-meta small { color: #97a3aa; font-size: 10px; }.datasets-card-meta strong { overflow: hidden; color: #536b74; font-size: 11px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.datasets-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 13px; border-top: 1px solid #edf1f0; }.datasets-card-stats { display: flex; gap: 12px; color: #809099; font-size: 10px; }.datasets-card-link { color: var(--ds-teal); font-size: 12px; font-weight: 800; text-decoration: none; }.datasets-card-link span { padding-left: 5px; }.datasets-card-link:hover { color: var(--ds-teal-deep); }
.datasets-empty-state { display: flex; min-height: 300px; flex-direction: column; align-items: center; justify-content: center; padding: 44px 24px; border: 1px dashed #c9d8d5; border-radius: 18px; background: linear-gradient(135deg, #fff, #f3f8f5); text-align: center; }.datasets-empty-icon { display: grid; width: 56px; height: 56px; margin-bottom: 18px; place-items: center; border-radius: 18px; background: #e5f3e4; color: #347970; font: 700 29px Manrope, sans-serif; }.datasets-empty-state h2 { margin: 4px 0 7px; font: 800 24px Manrope, sans-serif; letter-spacing: -.04em; }.datasets-empty-state p { max-width: 560px; margin: 0 0 21px; color: var(--ds-muted); font-size: 14px; line-height: 1.7; }
.datasets-pagination { display: flex; justify-content: center; gap: 7px; margin: 30px 0; }.datasets-pagination a { display: grid; min-width: 38px; height: 38px; place-items: center; border: 1px solid var(--ds-line); border-radius: 9px; background: white; color: #566a76; font-size: 13px; text-decoration: none; }.datasets-pagination a.is-current { border-color: var(--ds-teal); background: var(--ds-teal); color: white; }
.datasets-how-it-works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 64px; padding: 28px 0; border-top: 1px solid var(--ds-line); border-bottom: 1px solid var(--ds-line); }.datasets-how-it-works > div { padding: 2px 10px; }.datasets-how-number { color: #9ab9aa; font: 800 12px Manrope, sans-serif; letter-spacing: .12em; }.datasets-how-it-works h3 { margin: 13px 0 7px; font: 750 16px Manrope, sans-serif; }.datasets-how-it-works p, .datasets-disclaimer { margin: 0; color: var(--ds-muted); font-size: 12px; line-height: 1.65; }.datasets-disclaimer { margin: 20px 0 0; }

.datasets-detail-shell { padding-top: 34px; }.datasets-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 25px; color: #87949b; font-size: 12px; }.datasets-breadcrumb a { color: var(--ds-teal); font-weight: 700; text-decoration: none; }.datasets-breadcrumb strong { max-width: 280px; overflow: hidden; color: #536572; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.datasets-notice { margin-bottom: 16px; padding: 12px 15px; border: 1px solid #d9e8ac; border-radius: 10px; background: #f7fbeb; color: #617622; font-size: 13px; }
.datasets-detail-hero { display: grid; grid-template-columns: 76px minmax(0, 1fr) 245px; gap: 22px; align-items: start; padding: 34px; border: 1px solid var(--ds-line); border-radius: 20px; background: #fff; box-shadow: var(--ds-shadow); }
.datasets-detail-icon { display: grid; width: 68px; height: 68px; place-items: center; border-radius: 19px; background: #e3f1e8; color: #337268; font-size: 27px; }
.datasets-detail-overline { display: flex; gap: 8px; margin: 1px 0 8px; color: var(--ds-teal); font-size: 11px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.datasets-detail-main h1 { margin: 0 0 11px; font: 800 clamp(27px, 4vw, 40px)/1.18 Manrope, sans-serif; letter-spacing: -.05em; }.datasets-detail-main > p { margin: 0; color: #647681; font-size: 14px; line-height: 1.75; }
.datasets-detail-meta { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 21px 0; padding: 15px 0; border-top: 1px solid #eef2f0; border-bottom: 1px solid #eef2f0; }.datasets-detail-meta span { display: flex; flex-direction: column; gap: 5px; }.datasets-detail-meta small { color: #95a1a7; font-size: 10px; }.datasets-detail-meta strong { color: #506570; font-size: 12px; }
.datasets-detail-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }.datasets-detail-actions form { margin: 0; }.datasets-admin-shortcut { margin-left: 5px; color: #71818a; font-size: 11px; font-weight: 650; text-decoration: underline; text-underline-offset: 3px; }
.datasets-detail-aside { padding: 20px; border-radius: 15px; background: #edf6ef; }.datasets-aside-icon { display: grid; width: 38px; height: 38px; margin-bottom: 15px; place-items: center; border-radius: 12px; background: #d5e9d5; color: var(--ds-teal); font-size: 18px; }.datasets-detail-aside > strong { display: block; font: 750 14px/1.45 Manrope, sans-serif; }.datasets-detail-aside p { margin: 9px 0 16px; color: #687c7d; font-size: 11px; line-height: 1.7; }.datasets-source-badge { color: #5b8474; font-size: 8px; font-weight: 800; letter-spacing: .13em; }
.datasets-preview-panel, .datasets-admin-card, .datasets-study-panel { margin-top: 23px; padding: 27px; border: 1px solid var(--ds-line); border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(22, 52, 66, .04); }.datasets-panel-heading { align-items: flex-start; }.datasets-preview-live { display: inline-flex; flex: none; align-items: center; gap: 7px; padding: 7px 10px; border-radius: 999px; background: #eff8f2; color: #4a8169; font-size: 10px; font-weight: 700; }.datasets-preview-live i { width: 6px; height: 6px; border-radius: 50%; background: #50a778; box-shadow: 0 0 0 4px rgba(80,167,120,.12); }
.datasets-preview-controls, .datasets-study-selects { display: flex; align-items: flex-end; gap: 12px; margin-top: 23px; }.datasets-preview-controls label, .datasets-study-selects label, .datasets-study-field-selects label { display: flex; min-width: 170px; flex-direction: column; gap: 7px; color: #6d8089; font-size: 11px; font-weight: 650; }.datasets-preview-controls select, .datasets-study-selects select, .datasets-study-field-selects select { min-height: 42px; padding: 0 12px; border: 1px solid var(--ds-line); border-radius: 9px; background: #fbfcfb; color: var(--ds-ink); font: 500 13px 'DM Sans', sans-serif; }.datasets-preview-status { margin-top: 15px; color: #73848c; font-size: 12px; line-height: 1.55; }.datasets-preview-status.is-error { color: #a4444c; }.datasets-preview-table-wrap { max-width: 100%; margin-top: 15px; overflow: auto; border: 1px solid var(--ds-line); border-radius: 11px; }.datasets-preview-table { width: 100%; border-collapse: collapse; text-align: left; }.datasets-preview-table th { min-width: 130px; padding: 12px; background: #f1f6f4; color: #4b6969; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }.datasets-preview-table td { max-width: 420px; padding: 12px; border-top: 1px solid #edf1ef; color: #60747c; font-size: 11px; line-height: 1.5; vertical-align: top; }.datasets-preview-foot { display: flex; justify-content: space-between; gap: 14px; margin-top: 12px; color: #91a0a4; font-size: 10px; }.datasets-preview-foot a { color: var(--ds-teal); text-decoration: none; }.datasets-gated-panel { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.datasets-detail-bottom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }.datasets-detail-info { min-height: 200px; padding: 24px; border: 1px solid var(--ds-line); border-radius: 16px; background: #fff; }.datasets-detail-info h2 { margin: 0; font-size: 21px; }.datasets-detail-info p { margin: 10px 0 17px; color: var(--ds-muted); font-size: 12px; line-height: 1.75; }.datasets-inline-link { color: var(--ds-teal); font-size: 12px; font-weight: 750; text-decoration: none; }.datasets-inline-link span { padding-left: 4px; }.datasets-source-info { background: #f0f5f2; }

.datasets-study-shell { padding-top: 34px; }.datasets-study-intro { align-items: flex-start; margin-bottom: 17px; }.datasets-study-intro h1 { margin: 8px 0 8px; color: var(--ds-ink); font-size: clamp(28px, 4vw, 42px); }.datasets-study-intro p { margin: 0; color: var(--ds-muted); font-size: 14px; line-height: 1.65; }.datasets-study-intro > a { margin-top: 18px; white-space: nowrap; }.datasets-study-purpose { margin: 0 0 18px; padding: 22px 25px; border: 1px solid #cfe3d8; border-radius: 15px; background: linear-gradient(120deg, #f1f8f3, #fbfcf8); }.datasets-study-purpose h2 { margin: 0 0 9px; color: var(--ds-ink); font: 800 clamp(19px, 2.4vw, 25px)/1.35 Manrope, sans-serif; letter-spacing: -.035em; }.datasets-study-purpose > p { max-width: 950px; margin: 0; color: #526b6a; font-size: 13px; line-height: 1.7; }.datasets-study-purpose ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 25px; margin: 16px 0 0; padding-left: 20px; color: #526b6a; font-size: 12px; line-height: 1.65; }.datasets-study-purpose li { padding-left: 3px; }.datasets-study-panel { overflow: hidden; padding: 0; }.datasets-study-settings { padding: 26px; background: #fff; }.datasets-study-field-selects { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }.datasets-study-field-help { grid-column: 1 / -1; margin: 0; color: #71848a; font-size: 11px; line-height: 1.6; }.datasets-study-workspace { padding: 24px 26px 20px; border-top: 1px solid #ebf0ed; background: #f7faf8; }.datasets-study-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; color: #798990; font-size: 11px; }.datasets-mode-switch { display: flex; gap: 4px; padding: 4px; border-radius: 9px; background: #eaf1ee; }.datasets-mode-switch button { padding: 8px 12px; border: 0; border-radius: 6px; background: transparent; color: #71827e; font: 700 11px 'DM Sans', sans-serif; cursor: pointer; }.datasets-mode-switch button.is-active { background: white; color: #236c66; box-shadow: 0 2px 8px rgba(20,55,53,.08); }
.datasets-flashcard, .datasets-quiz { position: relative; display: flex; min-height: 310px; flex-direction: column; align-items: center; justify-content: center; margin: 18px auto; padding: 34px; border: 1px solid #dfe9e2; border-radius: 18px; background: #fff; box-shadow: 0 12px 35px rgba(22, 52, 66, .055); text-align: center; }.datasets-card-kicker { margin-bottom: 22px; color: #77a293; font-size: 9px; font-weight: 800; letter-spacing: .16em; }.datasets-card-question { max-width: 730px; color: var(--ds-ink); font: 750 clamp(20px, 3vw, 30px)/1.45 Manrope, sans-serif; overflow-wrap: anywhere; }.datasets-card-answer { max-width: 730px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--ds-line); color: var(--ds-teal-deep); font-size: 17px; line-height: 1.6; overflow-wrap: anywhere; }.datasets-card-flip { margin-top: 24px; padding: 9px 13px; border: 1px solid #dce9e3; border-radius: 8px; background: #eff7f2; color: #3d766a; font: 700 11px 'DM Sans', sans-serif; cursor: pointer; }.datasets-study-controls { display: flex; justify-content: space-between; gap: 10px; }.datasets-study-note { margin: 16px 0 0; color: #859399; font-size: 10px; line-height: 1.65; }
.datasets-quiz { align-items: stretch; text-align: left; }.datasets-quiz .datasets-card-kicker { text-align: center; }.datasets-quiz .datasets-card-question { align-self: center; margin-bottom: 21px; text-align: center; }.datasets-quiz-options { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }.datasets-quiz-option { min-height: 49px; padding: 12px 15px; border: 1px solid #e3eae6; border-radius: 10px; background: #fbfcfb; color: #4d626c; font: 600 12px/1.5 'DM Sans', sans-serif; text-align: left; cursor: pointer; overflow-wrap: anywhere; }.datasets-quiz-option:hover { border-color: #9bc8b8; background: #f4faf5; }.datasets-quiz-option.is-correct { border-color: #89c1a3; background: #e9f8ee; color: #277149; }.datasets-quiz-option.is-wrong { border-color: #dfb4b7; background: #fff2f2; color: #a1444d; }.datasets-quiz-feedback { min-height: 17px; margin: 12px 0 0; color: #638277; font-size: 11px; }

.datasets-admin-shell { padding-top: 34px; }.datasets-admin-intro { align-items: center; margin: 5px 0 20px; padding: 28px 30px; border-radius: 19px; background: #183d4d; }.datasets-admin-intro h1 { margin: 8px 0; font-size: clamp(29px, 4vw, 43px); }.datasets-admin-intro p { max-width: 700px; margin: 0; color: #cadadb; font-size: 13px; line-height: 1.7; }.datasets-admin-intro .datasets-kicker { color: #acd1c3; }.datasets-admin-step { display: grid; width: 42px; height: 42px; flex: none; place-items: center; border: 1px solid #dae8de; border-radius: 13px; background: #f3f8eb; color: #52775e; font-size: 10px; font-weight: 800; }.datasets-admin-card { padding: 25px; }.datasets-admin-card .datasets-panel-heading { margin-bottom: 20px; }.datasets-admin-card .datasets-panel-heading h2 { font-size: 24px; }.datasets-admin-search > label { display: block; margin-bottom: 8px; color: #5e717a; font-size: 11px; font-weight: 700; }.datasets-admin-search > div { display: flex; gap: 9px; }.datasets-admin-search input { min-width: 0; flex: 1; padding: 0 13px; border: 1px solid var(--ds-line); border-radius: 9px; background: #fbfcfb; }.datasets-admin-search-status { min-height: 18px; margin: 11px 0 0; color: #829198; font-size: 11px; }.datasets-admin-search-status.is-error { color: #a4444c; }.datasets-admin-search-results { display: grid; gap: 9px; }.datasets-hf-result { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 14px; border: 1px solid #e7eeea; border-radius: 11px; background: #fbfdfb; }.datasets-hf-result strong { display: block; color: var(--ds-ink); font-size: 12px; }.datasets-hf-result span { display: block; margin-top: 5px; color: #85939a; font-size: 10px; }.datasets-hf-result a { margin-top: 5px; color: var(--ds-teal); font-size: 10px; text-decoration: none; }
.datasets-admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }.datasets-admin-form label, .datasets-edit-form label { display: flex; min-width: 0; flex-direction: column; gap: 7px; color: #647782; font-size: 11px; font-weight: 700; }.datasets-admin-form input:not([type=checkbox]), .datasets-admin-form select, .datasets-admin-form textarea, .datasets-edit-form input:not([type=checkbox]), .datasets-edit-form select, .datasets-edit-form textarea { width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid var(--ds-line); border-radius: 9px; outline: none; background: #fbfcfb; color: var(--ds-ink); font: 500 12px/1.5 'DM Sans', sans-serif; }.datasets-admin-form input:focus, .datasets-admin-form select:focus, .datasets-admin-form textarea:focus, .datasets-edit-form input:focus, .datasets-edit-form select:focus, .datasets-edit-form textarea:focus { border-color: #78b1a2; box-shadow: 0 0 0 3px rgba(22,122,118,.09); }.datasets-admin-form textarea, .datasets-edit-form textarea { resize: vertical; }.datasets-admin-span-two { grid-column: span 2; }.datasets-admin-checkbox { display: flex !important; flex-direction: row !important; align-items: center; gap: 9px !important; }.datasets-admin-checkbox input { width: 16px; height: 16px; accent-color: var(--ds-teal); }.datasets-admin-checkbox span { color: #647782; font-size: 11px; font-weight: 600; }.datasets-admin-form-foot { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 19px; padding-top: 16px; border-top: 1px solid #edf1ef; }.datasets-admin-form-foot > span { color: #89969a; font-size: 10px; }
.datasets-admin-alert { margin: 12px 0; padding: 12px 15px; border-radius: 9px; font-size: 12px; }.datasets-admin-alert-success { border: 1px solid #c7e5d1; background: #f0fbf3; color: #39724c; }.datasets-admin-alert-error { border: 1px solid #f0cfd0; background: #fff5f4; color: #994951; }.datasets-admin-list-filter { display: flex; gap: 8px; margin: 0 0 15px; }.datasets-admin-list-filter input, .datasets-admin-list-filter select { min-height: 38px; padding: 0 11px; border: 1px solid var(--ds-line); border-radius: 8px; background: #fff; }.datasets-admin-list-filter input { flex: 1; }.datasets-admin-count { display: inline-grid; min-width: 26px; height: 26px; place-items: center; border-radius: 8px; background: #edf5ef; color: #397669; font: 700 11px 'DM Sans', sans-serif; vertical-align: middle; }.datasets-admin-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid #e7ecea; border-radius: 11px; }.datasets-admin-table { width: 100%; min-width: 900px; border-collapse: collapse; text-align: left; }.datasets-admin-table th { padding: 12px 14px; background: #f3f7f5; color: #6c7d83; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }.datasets-admin-table td { padding: 13px 14px; border-top: 1px solid #edf1ef; color: #61737b; font-size: 11px; vertical-align: top; }.datasets-admin-table td strong, .datasets-admin-table td small { display: block; }.datasets-admin-table td strong { max-width: 220px; color: #344b57; font-size: 11px; }.datasets-admin-table td small { max-width: 230px; margin-top: 5px; color: #8b999d; font-size: 9px; overflow-wrap: anywhere; }.datasets-admin-table a { color: var(--ds-teal); font-weight: 650; text-decoration: none; }.datasets-status-pill { display: inline-block; padding: 5px 8px; border-radius: 6px; font-size: 9px; font-weight: 800; }.datasets-status-draft { background: #fff4dc; color: #9b782d; }.datasets-status-published { background: #e9f7ed; color: #398054; }.datasets-status-archived { background: #f0f2f3; color: #748087; }.datasets-admin-row-actions { display: flex; align-items: center; gap: 7px; }.datasets-admin-row-actions form { margin: 0; }.datasets-mini-button { display: inline-block; padding: 7px 9px; border: 1px solid #dce7e2; border-radius: 7px; background: #fff; color: #54756b; font: 700 9px 'DM Sans', sans-serif; text-decoration: none; cursor: pointer; }.datasets-edit-details { position: relative; }.datasets-edit-details[open] { z-index: 3; }.datasets-edit-details > summary { list-style: none; }.datasets-edit-details > summary::-webkit-details-marker { display: none; }.datasets-edit-form { position: absolute; top: 34px; right: 0; display: grid; width: min(390px, calc(100vw - 36px)); gap: 10px; padding: 16px; border: 1px solid var(--ds-line); border-radius: 12px; background: #fff; box-shadow: var(--ds-shadow); }.datasets-edit-form .datasets-button { margin-top: 3px; }.datasets-admin-empty { padding: 28px; border: 1px dashed #d2dfda; border-radius: 10px; color: #7d8d92; font-size: 12px; text-align: center; }.datasets-admin-note { margin: 17px 0; color: #8a989b; font-size: 10px; line-height: 1.6; }
.datasets-local-ready { padding: 5px 8px; border: 1px solid #c7e5d1; border-radius: 6px; background: #f0fbf3; color: #39724c; font: 800 8px 'DM Sans', sans-serif; letter-spacing: .04em; }

.datasets-study-field-selects { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.datasets-preview-status { padding: 11px 13px; border: 1px solid #dcebe1; border-radius: 9px; background: #f3f9f4; color: #4e7065; }
.datasets-preview-status.is-error { border-color: #f0d2d2; background: #fff5f4; color: #a4444c; }
.datasets-study-guide { margin: 12px 0 0; padding: 18px 0; border-top: 0; }
.datasets-admin-form label small { color: #89969a; font-size: 10px; font-weight: 400; line-height: 1.5; }
@media (max-width: 980px) {
    .datasets-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .datasets-hero-grid { grid-template-columns: 1fr .8fr; min-height: 350px; }
    .datasets-hero-art { transform: scale(.86); transform-origin: center right; }
    .datasets-filter-bar { flex-wrap: wrap; }.datasets-search-field { flex-basis: 100%; min-height: 44px; }.datasets-select-field { flex: 1; border-left: 0; border-top: 1px solid #edf1f0; padding: 8px 9px 2px; }.datasets-filter-submit { min-height: 41px; }
    .datasets-detail-hero { grid-template-columns: 64px minmax(0, 1fr); padding: 26px; }.datasets-detail-icon { width: 58px; height: 58px; }.datasets-detail-aside { grid-column: 2; display: grid; grid-template-columns: 40px 1fr; gap: 0 12px; align-items: center; }.datasets-aside-icon { grid-row: span 2; margin-bottom: 0; }.datasets-detail-aside p { grid-column: 2; margin: 3px 0 9px; }.datasets-source-badge { grid-column: 2; }
}
@media (max-width: 680px) {
    .datasets-shell { width: min(100% - 28px, 520px); padding-top: 42px; }
    .datasets-hero { padding: 48px 16px 20px; }.datasets-hero-grid { display: block; min-height: auto; }.datasets-hero-copy { padding: 0 5px; }.datasets-hero h1 { margin: 19px 0 12px; font-size: clamp(40px, 12vw, 57px); }.datasets-hero-copy > p { font-size: 14px; }.datasets-hero-art { min-height: 260px; margin-top: 13px; transform: scale(.78); transform-origin: top center; }.datasets-art-card { top: 46%; }.datasets-hero-foot { flex-wrap: wrap; justify-content: center; margin-top: -30px; padding-top: 12px; font-size: 9px; }.datasets-hero-foot span:first-child { display: none; }
    .datasets-section-heading, .datasets-panel-heading { align-items: flex-start; }.datasets-section-heading { gap: 12px; }.datasets-section-heading > .datasets-button { min-height: 38px; padding: 0 10px; font-size: 11px; white-space: nowrap; }.datasets-section-heading h2 { font-size: 27px; }.datasets-section-heading p { max-width: 320px; font-size: 12px; }.datasets-category-row { margin-right: -14px; padding-right: 14px; }.datasets-category-chip { padding: 9px 11px; font-size: 11px; }
    .datasets-filter-bar { gap: 7px; padding: 8px; }.datasets-select-field { min-width: calc(50% - 4px); }.datasets-select-field select { font-size: 11px; }.datasets-filter-submit { flex: 1; }.datasets-results-heading { align-items: flex-start; }.datasets-results-heading > span { max-width: 160px; text-align: right; font-size: 9px; }
    .datasets-card-grid { grid-template-columns: 1fr; gap: 12px; }.datasets-card { min-height: auto; padding: 18px; }.datasets-card h3 { margin-top: 15px; }.datasets-card-description { min-height: auto; }.datasets-card-tags { margin: 12px 0; }.datasets-how-it-works { grid-template-columns: 1fr; gap: 18px; margin-top: 44px; }.datasets-study-guide { margin-top: 8px; }.datasets-how-it-works > div { display: grid; grid-template-columns: 32px 1fr; column-gap: 10px; }.datasets-how-number { grid-row: span 2; padding-top: 4px; }.datasets-how-it-works h3 { margin: 0 0 4px; }.datasets-how-it-works p { grid-column: 2; }.datasets-disclaimer { font-size: 10px; }
    .datasets-detail-shell, .datasets-study-shell, .datasets-admin-shell { padding-top: 22px; }.datasets-breadcrumb { margin-bottom: 16px; font-size: 10px; }.datasets-detail-hero { grid-template-columns: 1fr; gap: 14px; padding: 20px; }.datasets-detail-icon { width: 52px; height: 52px; border-radius: 15px; }.datasets-detail-main h1 { font-size: 29px; }.datasets-detail-main > p { font-size: 12px; }.datasets-detail-meta { gap: 12px 17px; }.datasets-detail-actions .datasets-button { min-height: 41px; padding: 0 11px; font-size: 11px; }.datasets-detail-aside { grid-column: 1; }.datasets-preview-panel, .datasets-admin-card { margin-top: 15px; padding: 18px; }.datasets-preview-panel .datasets-panel-heading h2 { font-size: 23px; }.datasets-preview-panel .datasets-panel-heading p { max-width: 280px; font-size: 11px; }.datasets-preview-controls, .datasets-study-selects { flex-wrap: wrap; align-items: stretch; }.datasets-preview-controls label, .datasets-study-selects label { min-width: calc(50% - 7px); flex: 1; }.datasets-preview-controls > .datasets-button, .datasets-study-selects > .datasets-button { flex-basis: 100%; }.datasets-preview-foot { flex-direction: column; }.datasets-preview-table th, .datasets-preview-table td { max-width: 170px; padding: 9px; }
    .datasets-detail-bottom-grid { grid-template-columns: 1fr; gap: 12px; }.datasets-detail-info { min-height: auto; padding: 19px; }.datasets-detail-info h2 { font-size: 19px; }
    .datasets-study-intro { display: block; }.datasets-study-intro > a { margin-top: 14px; }.datasets-study-intro h1 { font-size: 29px; }.datasets-study-intro p { font-size: 12px; }.datasets-study-settings, .datasets-study-workspace { padding: 19px; }.datasets-study-field-selects { grid-template-columns: 1fr; }.datasets-flashcard, .datasets-quiz { min-height: 280px; padding: 24px 17px; }.datasets-card-question { font-size: 21px; }.datasets-card-answer { font-size: 14px; }.datasets-quiz-options { grid-template-columns: 1fr; }.datasets-study-controls { flex-wrap: wrap; }.datasets-study-controls .datasets-button { flex: 1; min-height: 41px; padding: 0 9px; font-size: 10px; }.datasets-study-controls [data-study-more] { order: 3; flex-basis: 100%; }
    .datasets-admin-intro { align-items: flex-start; padding: 21px; }.datasets-admin-intro h1 { font-size: 28px; }.datasets-admin-intro p { font-size: 11px; }.datasets-admin-intro > a { min-height: 38px; flex: none; padding: 0 10px; font-size: 10px; }.datasets-admin-card .datasets-panel-heading h2 { font-size: 21px; }.datasets-admin-card .datasets-panel-heading p { font-size: 11px; }.datasets-admin-form-grid { grid-template-columns: 1fr; }.datasets-admin-span-two { grid-column: auto; }.datasets-admin-form-foot { align-items: flex-start; flex-direction: column; }.datasets-admin-form-foot .datasets-button { align-self: stretch; }.datasets-admin-search > div { flex-direction: column; }.datasets-admin-search > div .datasets-button { align-self: stretch; }.datasets-hf-result { align-items: flex-start; }.datasets-hf-result .datasets-button { flex: none; padding: 0 10px; font-size: 10px; }.datasets-admin-list-filter { flex-wrap: wrap; }.datasets-admin-list-filter input { flex-basis: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .datasets-body *, .datasets-body *::before, .datasets-body *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }
@media (max-width: 680px) { .datasets-study-purpose { padding: 18px; }.datasets-study-purpose ol { grid-template-columns: 1fr; gap: 7px; margin-top: 12px; }.datasets-study-purpose > p { font-size: 12px; } }

/* Compact study page: explain the two practice modes once, then keep details optional. */
.datasets-study-purpose { margin-bottom: 14px; padding: 19px 22px; border-color: #e0e9e4; border-radius: 14px; background: #fff; }
.datasets-study-purpose-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.datasets-study-purpose-head .datasets-kicker { margin-bottom: 5px; }
.datasets-study-purpose h2 { margin-bottom: 5px; font-size: clamp(19px, 2vw, 23px); }
.datasets-study-purpose-head p { max-width: 820px; margin: 0; color: #647681; font-size: 12px; line-height: 1.6; }
.datasets-study-purpose-badge { flex: none; margin-top: 5px; padding: 8px 10px; border: 1px solid #dcebe1; border-radius: 999px; background: #f3f9f4; color: #4a8169; font-size: 10px; font-weight: 700; }
.datasets-study-modes-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 17px; }
.datasets-study-modes-heading strong { color: var(--ds-ink); font-size: 12px; font-weight: 750; }
.datasets-study-modes-heading > span { color: #83928f; font-size: 10px; }
.datasets-study-modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; margin-top: 9px; }
.datasets-study-mode-card { position: relative; display: grid; min-width: 0; min-height: 122px; grid-template-columns: 42px minmax(0, 1fr); grid-template-rows: auto auto 1fr; gap: 2px 13px; padding: 16px 18px; overflow: hidden; border: 1px solid #e1e9e5; border-radius: 13px; background: linear-gradient(135deg, #fff 0%, #fbfdfb 100%); box-shadow: 0 5px 16px rgba(22, 52, 66, .035); color: var(--ds-ink); font: inherit; text-align: left; cursor: pointer; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease, background .18s ease; }
.datasets-study-mode-card:hover { transform: translateY(-2px); border-color: #9bc8b8; box-shadow: 0 10px 24px rgba(22, 82, 72, .09); }
.datasets-study-mode-card:focus-visible { outline: 3px solid rgba(22, 122, 118, .2); outline-offset: 2px; }
.datasets-study-mode-card.is-active { border-color: #75b6a3; background: linear-gradient(135deg, #f1f9f4 0%, #fff 100%); box-shadow: 0 8px 22px rgba(22, 122, 118, .09); }
.datasets-study-mode-number { display: grid; width: 40px; height: 40px; grid-row: 1 / 4; place-items: center; border: 1px solid #e2ece6; border-radius: 11px; background: #eff6f1; color: #4d8274; font: 800 12px Manrope, sans-serif; }
.datasets-study-mode-card.is-active .datasets-study-mode-number { border-color: #d2e9da; background: #e4f2e8; color: #2f7567; }
.datasets-study-mode-card::after { position: absolute; top: 14px; right: 16px; color: #32846b; content: '✓'; font-size: 13px; font-weight: 800; opacity: 0; }
.datasets-study-mode-card.is-active::after { opacity: 1; }
.datasets-study-mode-label { align-self: end; padding-right: 22px; color: #769187; font-size: 9px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.datasets-study-mode-card h3 { margin: 2px 0 3px; color: var(--ds-ink); font: 750 16px/1.4 Manrope, sans-serif; }
.datasets-study-mode-card p { margin: 0; color: #687a80; font-size: 11px; line-height: 1.55; }
.datasets-study-how { margin-top: 12px; border-top: 1px solid #edf1ef; }
.datasets-study-how summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 11px; color: #526a70; font-size: 11px; font-weight: 750; cursor: pointer; list-style: none; }
.datasets-study-how summary::-webkit-details-marker { display: none; }
.datasets-study-how summary::after { content: '+'; color: var(--ds-teal); font-size: 16px; line-height: 1; }
.datasets-study-how[open] summary::after { content: '−'; }
.datasets-study-how summary span { margin-left: auto; color: #91a09f; font-size: 10px; font-weight: 500; }
.datasets-study-purpose .datasets-study-how ol { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 20px; margin: 10px 0 0; padding-left: 18px; font-size: 11px; line-height: 1.55; }
.datasets-study-panel { margin-top: 14px; }
.datasets-study-settings { padding: 21px 23px; }
.datasets-study-settings .datasets-panel-heading h2 { font-size: 23px; }
.datasets-study-settings .datasets-panel-heading p { max-width: 850px; margin-top: 5px; font-size: 11px; line-height: 1.55; }
.datasets-study-selects { gap: 10px; margin-top: 16px; }
.datasets-study-selects label { flex: 1; min-width: 0; }
.datasets-study-selects select { min-width: 0; width: 100%; }
.datasets-study-selects > .datasets-button { flex: none; }
.datasets-preview-status { margin-top: 11px; padding: 8px 11px; font-size: 11px; line-height: 1.45; }
.datasets-study-field-selects { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 14px; }
.datasets-study-field-selects label { min-width: 0; }
.datasets-study-field-selects select { width: 100%; min-width: 0; }
.datasets-study-field-help { grid-column: 1 / -1; max-width: none; padding-top: 1px; font-size: 10px; }
.datasets-study-workspace { padding: 19px 23px 17px; }
.datasets-flashcard, .datasets-quiz { min-height: 260px; margin: 14px auto; padding: 27px; }
.datasets-card-kicker { margin-bottom: 16px; }
.datasets-card-flip { margin-top: 18px; }
.datasets-study-note { margin-top: 11px; }
@media (max-width: 980px) {
    .datasets-study-purpose-head { flex-direction: column; gap: 9px; }
    .datasets-study-purpose-badge { margin-top: 0; }
}
@media (max-width: 680px) {
    .datasets-study-purpose { padding: 17px; }
    .datasets-study-modes { grid-template-columns: 1fr; gap: 9px; }
    .datasets-study-mode-card { min-height: 108px; padding: 14px; }
    .datasets-study-modes-heading { margin-top: 13px; }
    .datasets-study-purpose .datasets-study-how ol { grid-template-columns: 1fr; gap: 7px; }
    .datasets-study-settings, .datasets-study-workspace { padding: 17px; }
    .datasets-study-field-selects { grid-template-columns: 1fr; }
    .datasets-study-field-help { grid-column: 1; }
    .datasets-flashcard, .datasets-quiz { min-height: 245px; padding: 22px 16px; }
}
.datasets-card-meta { align-self: center; margin: 0 0 8px; padding: 5px 9px; border: 1px solid #e1ece5; border-radius: 999px; background: #f4f8f5; color: #628073; font-size: 10px; font-weight: 750; letter-spacing: .04em; }
.datasets-study-image-wrap { width: min(100%, 760px); max-height: 410px; margin: 13px auto; padding: 8px; overflow: hidden; border: 1px solid #e4ebe7; border-radius: 12px; background: #f8faf9; }
.datasets-study-image-wrap img { display: block; width: 100%; max-height: 390px; object-fit: contain; }