:root {
  --primary: #00d4ff;
  --primary-hover: #00b8de;
  --primary-active: #0099bb;
  --primary-ink: #00151a;
  --primary-soft: #e6faff;
  --bg: #f7fbfc;
  --surface: #ffffff;
  --text: #0a1a20;
  --text-secondary: #557079;
  --border: #cbe5ea;
  --divider: #e3eef1;
  --up: #087a4e;
  --down: #c92f42;
  --warning: #9b5700;
  --danger: #c92535;
  --focus: #007c96;
  --max-width: 1280px;
  --header-height: 76px;
  --shadow-soft: 0 10px 32px rgba(7, 43, 53, 0.07);
  --transition: 180ms ease-out;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; border-radius: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--bg); color: var(--text); font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--focus); text-decoration: none; }
a:hover { color: #005e73; }
button, input, select, textarea { font: inherit; }
button, select, input[type="checkbox"] { cursor: pointer; }
button:disabled, input:disabled, select:disabled { cursor: not-allowed; opacity: .48; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
h1, h2, h3 { margin: 0; line-height: 1.22; letter-spacing: -.025em; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
h3 { font-size: 1.08rem; }
p { margin: 0; }
strong, time, .metric, .market-row { font-variant-numeric: tabular-nums; }

.container { width: min(calc(100% - 48px), var(--max-width)); margin-inline: 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; }
.skip-link { position: fixed; z-index: 2000; top: 8px; left: 8px; transform: translateY(-160%); padding: 10px 14px; background: var(--text); color: #fff; }
.skip-link:focus { transform: translateY(0); }
.muted { color: var(--text-secondary); }

.site-header { position: sticky; z-index: 100; top: 0; min-height: var(--header-height); background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; flex: 0 0 auto; color: var(--text); }
.brand img { width: 214px; height: 44px; }
.primary-nav { display: flex; align-items: stretch; align-self: stretch; gap: 4px; }
.primary-nav a { position: relative; display: flex; align-items: center; padding: 0 16px; color: var(--text-secondary); font-size: .95rem; font-weight: 650; transition: color var(--transition), background var(--transition); }
.primary-nav a:hover { background: var(--primary-soft); color: var(--text); }
.primary-nav a[aria-current="page"] { color: var(--text); }
.primary-nav a[aria-current="page"]::after { content: ""; position: absolute; right: 16px; bottom: 0; left: 16px; height: 3px; background: var(--primary); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--border); background: #fff; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--text); }

.page-shell { padding-block: 56px 88px; }
.page-header { max-width: 820px; margin-bottom: 36px; }
.page-header h1 { margin-top: 6px; }
.page-header > p { max-width: 700px; margin-top: 14px; color: var(--text-secondary); font-size: 1.05rem; }
.eyebrow { display: inline-block; color: #006f87; font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.status-line { display: flex; align-items: center; gap: 9px; margin-top: 20px; color: var(--text-secondary); font-size: .9rem; }
.status-dot { width: 8px; height: 8px; background: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 24px; color: var(--text-secondary); font-size: .88rem; }
.breadcrumb a { color: var(--focus); }

.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border: 1px solid transparent; font-weight: 750; line-height: 1.1; text-align: center; transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition); }
.button-primary { border-color: #008aa6; background: var(--primary); color: var(--primary-ink); }
.button-primary:hover { border-color: #00748c; background: var(--primary-hover); color: var(--primary-ink); }
.button-primary:active { background: var(--primary-active); }
.button-secondary { border-color: var(--focus); background: #fff; color: #00697f; }
.button-secondary:hover { background: var(--primary-soft); color: var(--text); }
.button-danger { border-color: var(--danger); background: #fff; color: var(--danger); }
.button-danger:hover { background: #fff0f2; color: #981b29; }
.button-quiet { min-height: 36px; padding: 7px 12px; border-color: var(--border); background: transparent; color: var(--text); }
.button-small { min-height: 36px; padding: 7px 11px; font-size: .86rem; }
.button-block { width: 100%; }
.button-row, .form-actions, .row-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: #006c83; font-weight: 750; }

.coin-hero { padding: 42px 0 48px; background: linear-gradient(115deg, #fff 0%, #f2fcfe 58%, #e0f9ff 100%); border-bottom: 1px solid var(--border); }
.coin-heading { display: flex; align-items: center; gap: 20px; }
.coin-heading h1 { margin: 4px 0 7px; }
.coin-heading p { color: var(--text-secondary); }
.coin-logo { width: 72px; height: 72px; object-fit: contain; background: #fff; border: 1px solid var(--border); padding: 8px; }
.price-grid { display: grid; grid-template-columns: minmax(260px, 1.65fr) repeat(3, minmax(170px, 1fr)); margin-top: 32px; border-top: 1px solid var(--border); border-left: 1px solid var(--border); background: #fff; box-shadow: var(--shadow-soft); }
.price-grid > div { min-height: 138px; display: flex; flex-direction: column; justify-content: center; padding: 22px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.price-grid span, .metric small, .price-primary small { color: var(--text-secondary); font-size: .84rem; }
.price-primary strong { margin: 3px 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; }
.metric strong { margin: 7px 0 3px; font-size: 1.4rem; }
.is-up { color: var(--up) !important; }
.is-down { color: var(--down) !important; }
.is-flat { color: var(--text-secondary) !important; }

.range-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); border-left: 1px solid var(--border); background: #f9fdfe; }
.range-strip > div { min-height: 76px; display: flex; flex-direction: column; justify-content: center; gap: 3px; padding: 14px 20px; border-right: 1px solid var(--border); }
.range-strip > div:last-child { border-right: 0; }
.range-strip span { color: var(--text-secondary); font-size: .78rem; }
.range-strip strong { font-size: 1rem; }

.coin-section-nav { position: sticky; z-index: 60; top: var(--header-height); border-bottom: 1px solid var(--border); background: rgba(255, 255, 255, .98); }
.coin-section-nav .container { min-height: 52px; display: flex; flex-wrap: wrap; align-items: stretch; }
.coin-section-nav a { min-height: 52px; display: inline-flex; align-items: center; padding: 8px 18px; border-bottom: 3px solid transparent; color: var(--text-secondary); font-size: .88rem; font-weight: 700; transition: color var(--transition), background var(--transition), border-color var(--transition); }
.coin-section-nav a:hover, .coin-section-nav a:focus-visible { border-bottom-color: var(--primary); background: var(--primary-soft); color: var(--text); }

.coin-page-stack { display: grid; gap: 24px; padding-block: 32px 88px; }
.coin-section, .side-utility { scroll-margin-top: calc(var(--header-height) + 72px); background: var(--surface); border: 1px solid var(--border); padding: 28px; }
.coin-section > h2, .coin-section > .eyebrow + h2, .side-utility > h2, .side-utility > .eyebrow + h2 { margin: 5px 0 20px; }
.snapshot-section { border-top: 4px solid var(--primary); }
.snapshot-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 24px; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.snapshot-grid > div { min-height: 78px; display: flex; flex-direction: column; justify-content: center; gap: 3px; padding: 14px 18px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.snapshot-grid span { color: var(--text-secondary); font-size: .78rem; }
.snapshot-grid strong { font-size: 1.08rem; }

.trend-summary-grid { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 20px; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.trend-summary-grid > div { min-height: 86px; display: flex; flex-direction: column; justify-content: center; gap: 3px; padding: 13px 14px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trend-summary-grid span, .trend-summary-grid small { color: var(--text-secondary); font-size: .75rem; }
.trend-summary-grid strong { font-size: .96rem; overflow-wrap: anywhere; }
.history-preview { margin-top: 28px; }
.history-preview h3 { margin-bottom: 12px; }
.history-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; min-height: 44px; align-items: center; padding: 8px 14px; border-right: 1px solid var(--divider); border-bottom: 1px solid var(--divider); border-left: 1px solid var(--divider); font-variant-numeric: tabular-nums; }
.history-grid > :last-child { text-align: right; }
.history-grid-head { border-top: 1px solid var(--divider); background: #f1fafc; color: #244149; font-size: .8rem; font-weight: 750; }

.coin-content-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(292px, .76fr); gap: 24px; align-items: start; }
.coin-main-column, .coin-side-column { display: grid; gap: 24px; min-width: 0; }
.coin-side-column { position: sticky; top: calc(var(--header-height) + 72px); }
.coin-converter-mobile { display: none; }
.coin-section.prose p { max-width: 76ch; color: #294249; line-height: 1.9; white-space: pre-line; }
.coin-section.prose h3 { margin: 28px 0 9px; }
.section-note { margin-top: 18px; padding: 14px 16px; border-left: 3px solid var(--primary); background: var(--primary-soft); color: #294249; }
.market-definition-grid { margin-top: 18px; }
.market-definition-grid small { color: var(--text-secondary); font-size: .74rem; }
.section-intro { max-width: 76ch; margin: -8px 0 18px; color: var(--text-secondary); }
.asset-insight-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.asset-insight-grid > div { min-height: 116px; display: flex; flex-direction: column; justify-content: center; gap: 5px; padding: 16px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.asset-insight-grid span, .asset-insight-grid small { color: var(--text-secondary); }
.asset-insight-grid span { font-size: .8rem; }
.asset-insight-grid strong { font-size: 1rem; overflow-wrap: break-word; }
.asset-insight-grid small { font-size: .76rem; line-height: 1.5; }

.compact-list article small { display: -webkit-box; margin-top: 6px; overflow: hidden; color: var(--text-secondary); font-size: .8rem; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.coin-risk-section { border-left: 4px solid var(--warning); background: #fffdf8; }
.coin-risk-section p { max-width: 78ch; color: #62451c; line-height: 1.85; }
.coin-risk-section p + p { margin-top: 12px; }

.related-coins-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 18px; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.related-coins-grid > a { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 14px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); color: var(--text); transition: background var(--transition); }
.related-coins-grid > a:hover { background: var(--primary-soft); color: var(--text); }
.related-coins-grid a > span { min-width: 0; display: grid; grid-template-columns: 34px minmax(0, 1fr); align-items: center; column-gap: 10px; }
.related-coins-grid img { grid-row: 1 / 3; width: 34px; height: 34px; object-fit: contain; }
.related-coins-grid b, .related-coins-grid small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.related-coins-grid small { color: var(--text-secondary); font-size: .76rem; }
.related-coins-grid > a > strong { flex: 0 0 auto; }
.related-market-link { margin-top: 18px; }

.side-utility label { display: block; margin-bottom: 7px; color: #263f47; font-size: .88rem; font-weight: 750; }
.source-panel dl { display: grid; margin: 0; border-top: 1px solid var(--border); }
.source-panel dl > div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--divider); }
.source-panel dt { color: var(--text-secondary); font-size: .78rem; }
.source-panel dd { margin: 0; overflow-wrap: anywhere; font-size: .84rem; font-weight: 700; }
.source-panel > p { margin-top: 16px; color: var(--text-secondary); font-size: .8rem; }
.date-range { display: grid; grid-template-columns: 1fr; line-height: 1.45; }
.date-range > span { color: var(--text-secondary); font-size: .72rem; font-weight: 500; }
.date-range small { margin-top: 3px; color: var(--text-secondary); font-size: .7rem; font-weight: 500; }
.review-methodology { margin-top: 14px; border-top: 1px solid var(--divider); }
.review-methodology summary, .content-more summary { min-height: 44px; display: flex; align-items: center; gap: 7px; color: #00697f; cursor: pointer; font-size: .84rem; font-weight: 750; list-style: none; }
.review-methodology summary::-webkit-details-marker, .content-more summary::-webkit-details-marker { display: none; }
.review-methodology summary::before, .content-more summary::before { content: "+"; color: var(--focus); font-size: 1.05rem; }
.review-methodology[open] summary::before, .content-more[open] summary::before { content: "−"; }
.review-methodology p { padding-bottom: 4px; color: var(--text-secondary); font-size: .78rem; line-height: 1.65; }

.content-stack { display: grid; gap: 24px; padding-block: 36px 88px; }
.section-card, .market-panel, .converter-panel, .sidebar-card, .article-card, .admin-card { background: var(--surface); border: 1px solid var(--border); padding: 28px; }
.section-card { overflow: hidden; }
.section-card > h2, .section-card > .eyebrow + h2, .sidebar-card h2, .admin-card h2 { margin: 5px 0 20px; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-heading h2 { margin-top: 4px; }
.data-badge, .status-chip { display: inline-flex; align-items: center; min-height: 28px; padding: 3px 9px; border: 1px solid var(--border); background: var(--primary-soft); color: #005d70; font-size: .76rem; font-weight: 750; }
.lead { max-width: 920px; color: #223940; font-size: 1.08rem; line-height: 1.8; }
.prose p { max-width: 78ch; color: #294249; line-height: 1.85; white-space: pre-line; }

.chart-tabs { display: flex; border: 1px solid var(--border); }
.chart-tab { min-width: 66px; min-height: 44px; border: 0; border-right: 1px solid var(--border); background: #fff; color: var(--text-secondary); font-weight: 750; transition: background var(--transition), color var(--transition); touch-action: manipulation; }
.chart-tab:last-child { border-right: 0; }
.chart-tab:hover { background: var(--primary-soft); color: var(--text); }
.chart-tab.is-active { background: var(--primary); color: var(--primary-ink); }
.chart-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.chart-legend { display: inline-flex; align-items: center; gap: 8px; color: #244149; font-size: .84rem; white-space: nowrap; }
.chart-legend-line { width: 28px; height: 3px; background: var(--primary-active); }
.chart-summary { color: var(--text-secondary); font-size: .88rem; text-align: right; }
.chart-stage { position: relative; min-height: 300px; border: 1px solid var(--divider); background: linear-gradient(180deg, #fbfeff 0%, #fff 100%); }
.price-chart { width: 100%; min-height: 300px; overflow: visible; cursor: crosshair; touch-action: pan-y; }
.price-chart:focus-visible { outline-offset: -3px; }
.chart-grid line { stroke: #dcebed; stroke-width: 1; stroke-dasharray: 3 5; vector-effect: non-scaling-stroke; }
.chart-axis text { fill: #557079; font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums; }
.chart-line { fill: none; stroke: var(--primary-active); stroke-width: 3; stroke-linecap: square; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.chart-area { fill: rgba(0, 153, 187, .11); stroke: none; }
.chart-crosshair line { stroke: #45656e; stroke-width: 1; stroke-dasharray: 4 4; vector-effect: non-scaling-stroke; }
.chart-point { fill: #fff; stroke: var(--primary-active); stroke-width: 3; vector-effect: non-scaling-stroke; }
.chart-tooltip { position: absolute; z-index: 2; min-width: 148px; padding: 10px 12px; border: 1px solid #8fc8d3; background: rgba(4, 28, 34, .94); color: #fff; box-shadow: 0 8px 20px rgba(4, 28, 34, .16); pointer-events: none; }
.chart-tooltip time, .chart-tooltip span { display: block; color: #cbeef5; font-size: .75rem; }
.chart-tooltip strong { display: block; margin: 2px 0; color: #fff; font-size: .96rem; font-variant-numeric: tabular-nums; }
.chart-data { margin-top: 14px; border-top: 1px solid var(--divider); }
.chart-data summary { min-height: 44px; display: flex; align-items: center; width: max-content; max-width: 100%; color: #00697f; cursor: pointer; font-size: .88rem; font-weight: 750; }
.chart-data summary::before { content: "+"; width: 20px; color: var(--focus); font-size: 1.1rem; }
.chart-data[open] summary::before { content: "−"; }
.chart-data summary::marker { content: ""; }
.chart-data-head, .chart-data-list > li { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 10px 14px; border-bottom: 1px solid var(--divider); }
.chart-data-head { position: sticky; top: 0; background: #f2fbfd; color: #244149; font-size: .8rem; font-weight: 750; }
.chart-data-list { max-height: 320px; padding: 0; margin: 0; overflow: auto; border: 1px solid var(--divider); list-style: none; font-variant-numeric: tabular-nums; }
.chart-data-list > li { color: var(--text-secondary); font-size: .86rem; }
.chart-data-list strong { color: var(--text); }

.change-strip { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.change-strip > div { min-height: 86px; display: flex; flex-direction: column; justify-content: center; gap: 5px; padding: 14px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); text-align: center; }
.change-strip span { color: var(--text-secondary); font-size: .78rem; font-weight: 700; }
.change-strip strong { font-size: 1.08rem; }

.content-columns { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, .88fr); gap: 24px; align-items: start; }
.main-column, .side-column { display: grid; gap: 24px; }
.side-column { position: sticky; top: calc(var(--header-height) + 20px); }
.definition-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.definition-grid > div { min-height: 94px; display: flex; flex-direction: column; justify-content: center; gap: 5px; padding: 16px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.definition-grid span { color: var(--text-secondary); font-size: .8rem; }
.definition-grid strong { overflow-wrap: anywhere; }
.resource-list { display: grid; border-top: 1px solid var(--border); }
.resource-list > div:not(.empty-state) { display: grid; grid-template-columns: 120px minmax(0, 1fr) auto; align-items: center; gap: 14px; min-height: 62px; padding: 10px 0; border-bottom: 1px solid var(--divider); }
.resource-list span { color: var(--text-secondary); font-size: .84rem; }
.resource-list code { overflow: hidden; color: #244149; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .82rem; text-overflow: ellipsis; white-space: nowrap; }
.resource-list .button-small { min-height: 44px; }
.timeline { position: relative; display: grid; gap: 0; margin-top: 18px; border-left: 2px solid var(--primary); }
.timeline-item { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 0 0 26px 24px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; top: 6px; left: -7px; width: 12px; height: 12px; border: 2px solid var(--primary-active); background: #fff; }
.timeline-item p { color: var(--text-secondary); }

.field { display: grid; gap: 7px; min-width: 0; }
.field label { color: #263f47; font-size: .88rem; font-weight: 750; }
.field small, .form-help { color: var(--text-secondary); font-size: .82rem; }
input, select, textarea { width: 100%; min-height: 44px; border: 1px solid #a8cbd2; background: #fff; color: var(--text); padding: 10px 12px; }
input:hover, select:hover, textarea:hover { border-color: #6baab7; }
input:focus, select:focus, textarea:focus { border-color: var(--focus); box-shadow: 0 0 0 3px rgba(0, 124, 150, .12); }
textarea { resize: vertical; }
.converter-results, .converter-output { display: grid; grid-template-columns: 1fr 1fr; margin-top: 18px; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.converter-results > div, .converter-output > div { min-height: 92px; display: flex; flex-direction: column; justify-content: center; padding: 16px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.converter-results span, .converter-output span { color: var(--text-secondary); font-size: .8rem; }
.converter-results strong, .converter-output strong { margin-top: 5px; font-size: 1.25rem; font-variant-numeric: tabular-nums; overflow-wrap: normal; word-break: normal; }
.converter-mini .converter-results { grid-template-columns: 1fr; }
.converter-mini .converter-results strong { font-size: clamp(1rem, 1.35vw, 1.18rem); white-space: nowrap; }
.converter-mini > p { margin-top: 16px; color: var(--text-secondary); font-size: .82rem; }
.risk-box { border-left: 4px solid var(--warning); background: #fffaf2; }
.risk-box p { color: #62451c; }

.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.related-grid h3 { margin-bottom: 14px; }
.compact-list { display: grid; border-top: 1px solid var(--border); }
.compact-list article { padding: 15px 0; border-bottom: 1px solid var(--divider); }
.compact-list time { display: block; color: var(--text-secondary); font-size: .76rem; }
.compact-list p, .compact-list a { margin-top: 3px; color: var(--text); font-weight: 650; }
.content-more { border-bottom: 1px solid var(--divider); }
.content-more > .compact-list { border-top-color: var(--divider); }
.empty-state { min-height: 150px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; padding: 28px; border: 1px dashed #9ec7cf; background: #fbfeff; color: var(--text-secondary); text-align: center; }
.empty-state strong { color: var(--text); }
.faq-list { margin-top: 20px; border-top: 1px solid var(--border); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; font-weight: 750; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--focus); font-size: 1.4rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 80ch; padding: 0 0 20px; color: var(--text-secondary); }

.market-panel { padding: 0; overflow: hidden; }
.market-row { display: grid; grid-template-columns: minmax(230px, 1.5fr) repeat(4, minmax(135px, 1fr)); align-items: center; gap: 18px; min-height: 82px; padding: 13px 22px; border-bottom: 1px solid var(--divider); color: var(--text); transition: background var(--transition); }
.market-row:last-child { border-bottom: 0; }
a.market-row:hover { background: var(--primary-soft); color: var(--text); }
.market-head { min-height: 48px; background: #edf7f9; color: var(--text-secondary); font-size: .76rem; font-weight: 800; letter-spacing: .04em; }
.market-row > span { min-width: 0; display: flex; flex-direction: column; align-items: flex-end; }
.market-row > span:first-child { align-items: flex-start; }
.market-row small { color: var(--text-secondary); font-size: .78rem; }
.market-asset { display: grid !important; grid-template-columns: 30px 36px 1fr; align-items: center !important; gap: 11px; }
.market-asset > b { color: var(--text-secondary); font-size: .85rem; }
.market-asset img { width: 36px; height: 36px; object-fit: contain; }
.market-asset > span { display: flex; flex-direction: column; }

.content-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, .72fr); gap: 28px; align-items: start; }
.news-feed { display: grid; gap: 16px; }
.news-card { padding: 26px; background: #fff; border: 1px solid var(--border); }
.news-card h2 { margin: 9px 0 10px; font-size: 1.35rem; }
.news-card h2 a { color: var(--text); }
.news-card h2 a:hover { color: #006d84; }
.news-card p { max-width: 75ch; margin-bottom: 16px; color: var(--text-secondary); }
.news-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--text-secondary); font-size: .78rem; }
.news-meta span { padding: 2px 7px; border: 1px solid var(--border); }
.sidebar-card { position: sticky; top: calc(var(--header-height) + 20px); }
.hot-coins { display: grid; border-top: 1px solid var(--border); }
.hot-coins a { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--divider); color: var(--text); }
.hot-coins a > .hot-coin-identity { min-width: 0; display: flex; align-items: center; gap: 9px; }
.hot-coin-identity > span { min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.hot-coin-identity small { margin-top: 3px; color: var(--text-secondary); font-size: .74rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hot-coins img { width: 28px; height: 28px; object-fit: contain; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; padding-top: 18px; }
.pagination a, .pagination span { min-height: 40px; display: inline-flex; align-items: center; padding: 7px 12px; border: 1px solid var(--border); background: #fff; }

.article-card { padding: clamp(24px, 5vw, 54px); }
.article-card header time { color: var(--text-secondary); font-size: .84rem; }
.article-card h1 { max-width: 22ch; margin: 12px 0 18px; }
.article-lead { padding: 18px; border-left: 3px solid var(--primary); background: var(--primary-soft); color: #28444c; }
.article-body { margin: 34px 0; color: #213b43; line-height: 1.95; white-space: pre-wrap; overflow-wrap: anywhere; }
.article-body p { margin: 0 0 1.25em; }
.article-body h2 { margin: 2em 0 .7em; font-size: clamp(1.25rem, 2vw, 1.65rem); }
.article-list-item { display: grid; grid-template-columns: 18px 1fr; gap: 8px; padding-left: 8px; }
.article-media { margin: 28px 0; border: 1px solid var(--border); background: var(--surface-muted); }
.article-media img { width: 100%; max-height: 620px; object-fit: contain; }
.article-media figcaption { padding: 10px 14px; color: var(--text-secondary); font-size: .85rem; }
.article-cover { margin-top: 0; }
.article-notice { margin-top: 30px; padding: 16px; border: 1px solid #e7c890; background: #fffaf0; color: #6a4a17; font-size: .88rem; }

.flash-feed { position: relative; display: grid; border-top: 1px solid var(--border); background: #fff; }
.flash-item { display: grid; grid-template-columns: 150px 1fr; gap: 26px; padding: 24px; border: 1px solid var(--border); border-top: 0; }
.flash-item > div { min-width: 0; }
.flash-item time { color: #006c83; font-weight: 750; }
.flash-item h2 { margin-bottom: 8px; overflow-wrap: anywhere; font-size: 1.08rem; }
.flash-item p { color: var(--text-secondary); overflow-wrap: anywhere; }

.converter-panel { max-width: 920px; margin-bottom: 24px; padding: clamp(24px, 4vw, 44px); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.converter-output { margin-top: 28px; }
.converter-output > div { min-height: 130px; }
.converter-output strong { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.form-help { margin-top: 14px; }

.site-footer { padding-top: 48px; background: #06171c; color: #c4d8dd; border-top: 4px solid var(--primary); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 48px; padding-bottom: 38px; }
.footer-grid img { filter: brightness(0) invert(1); }
.footer-grid p { max-width: 50ch; margin-top: 14px; color: #91abb2; font-size: .88rem; }
.footer-grid h2 { margin-bottom: 14px; color: #fff; font-size: .95rem; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: #b8d3d9; font-size: .88rem; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid #20373d; color: #78949b; font-size: .78rem; }
.toast { position: fixed; z-index: 1000; right: 20px; bottom: 20px; max-width: min(380px, calc(100vw - 40px)); transform: translateY(160%); padding: 13px 16px; border: 1px solid #007d96; background: #05262e; color: #fff; box-shadow: var(--shadow-soft); transition: transform var(--transition); }
.toast.is-visible { transform: translateY(0); }

.error-panel { max-width: 760px; min-height: 440px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 48px; border: 1px solid var(--border); background: #fff; }
.error-panel h1 { margin: 9px 0 14px; }
.error-panel p { color: var(--text-secondary); }
.error-panel .button-row { margin-top: 24px; }

.login-body { display: grid; place-items: center; min-height: 100dvh; padding: 24px; background: linear-gradient(135deg, #e8fbff, #f7fbfc 45%, #fff); }
.login-panel { width: min(100%, 440px); display: grid; gap: 26px; padding: 38px; border: 1px solid var(--border); background: #fff; box-shadow: var(--shadow-soft); }
.login-brand { display: inline-flex; width: max-content; }
.login-panel h1 { margin: 5px 0 8px; font-size: 2rem; }
.login-panel p { color: var(--text-secondary); }
.stack-form { display: grid; gap: 17px; }
.form-error { padding: 12px 14px; border: 1px solid var(--danger); background: #fff0f2; color: #8d1422; }

.admin-body { background: #f2f7f8; }
.admin-topbar { position: sticky; z-index: 100; top: 0; min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 10px 24px; background: #fff; border-bottom: 1px solid var(--border); }
.admin-topbar > div { display: flex; align-items: center; gap: 14px; }
.admin-topbar form { margin: 0; }
.admin-shell { min-height: calc(100dvh - 68px); display: grid; grid-template-columns: 220px minmax(0, 1fr); }
.admin-nav { position: sticky; top: 68px; height: calc(100dvh - 68px); display: flex; flex-direction: column; gap: 3px; padding: 20px 14px; background: #071b21; }
.admin-nav a { min-height: 44px; display: flex; align-items: center; padding: 9px 13px; border-left: 3px solid transparent; color: #b5cbd0; font-weight: 650; }
.admin-nav a:hover { background: #102b32; color: #fff; }
.admin-nav a[aria-current="page"] { border-left-color: var(--primary); background: #14343c; color: #fff; }
.admin-main { min-width: 0; padding: 32px; }
.admin-page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.admin-page-header h1 { margin: 4px 0 7px; font-size: 2rem; }
.admin-page-header p { color: var(--text-secondary); }
.admin-list { background: #fff; border: 1px solid var(--border); }
.admin-list-head, .admin-list-row { display: grid; align-items: center; gap: 18px; padding: 13px 18px; border-bottom: 1px solid var(--divider); }
.admin-list-head { min-height: 48px; background: #eaf5f7; color: var(--text-secondary); font-size: .76rem; font-weight: 800; }
.admin-list-row:last-child { border-bottom: 0; }
.admin-list-row > div:first-child { min-width: 0; display: flex; flex-direction: column; }
.admin-list-row > div:first-child strong { overflow-wrap: anywhere; }
.admin-list-row small { color: var(--text-secondary); }
.admin-list-row time { color: var(--text-secondary); font-size: .86rem; }
.admin-news-grid .admin-list-head, .admin-news-grid .admin-list-row, .admin-flash-grid .admin-list-head, .admin-flash-grid .admin-list-row { grid-template-columns: minmax(280px, 1fr) 150px 90px 190px; }
.admin-link-grid .admin-list-head, .admin-link-grid .admin-list-row { grid-template-columns: 180px minmax(260px, 1fr) 90px 100px; }
.admin-list-row > a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-chip { width: max-content; }
.status-chip.is-enabled { border-color: #84c7aa; background: #ebfff5; color: #086641; }
.status-chip.is-disabled { border-color: #d3b4b9; background: #fff2f4; color: #942133; }
.editor-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 26px; border: 1px solid var(--border); background: #fff; }
.field-wide, .editor-form .form-actions { grid-column: 1 / -1; }
.inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: 14px; }
.inline-form .field-grow { flex: 1 1 320px; }
.checkbox-field { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.checkbox-field input { width: 20px; min-height: 20px; accent-color: var(--primary-active); }
.admin-card { margin-bottom: 24px; }

@media (max-width: 1080px) {
  .primary-nav a { padding-inline: 10px; font-size: .88rem; }
  .price-grid { grid-template-columns: 1fr 1fr; }
  .trend-summary-grid { grid-template-columns: repeat(3, 1fr); }
  .coin-content-layout { grid-template-columns: 1fr; }
  .coin-side-column { position: static; grid-template-columns: 1fr 1fr; }
  .coin-converter-mobile { display: block; }
  .coin-converter-mobile .converter-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .coin-side-column > .converter-mini { display: none; }
  .coin-side-column .risk-box { grid-column: 1 / -1; }
  .content-columns { grid-template-columns: 1fr; }
  .side-column { position: static; grid-template-columns: 1fr 1fr; }
  .market-row { grid-template-columns: minmax(210px, 1.5fr) repeat(4, minmax(120px, 1fr)); gap: 12px; padding-inline: 16px; }
  .admin-news-grid .admin-list-head, .admin-news-grid .admin-list-row, .admin-flash-grid .admin-list-head, .admin-flash-grid .admin-list-row { grid-template-columns: minmax(220px, 1fr) 130px 80px 170px; }
}

@media (max-width: 860px) {
  :root { --header-height: 68px; }
  .container { width: min(calc(100% - 32px), var(--max-width)); }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px; background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-soft); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { min-height: 48px; padding: 10px 12px; border-bottom: 1px solid var(--divider); }
  .primary-nav a[aria-current="page"]::after { top: 10px; right: auto; bottom: 10px; left: 0; width: 3px; height: auto; }
  .coin-section-nav { position: static; }
  .coin-section-nav .container { padding-block: 6px; }
  .coin-section-nav a { min-height: 44px; flex: 1 1 30%; justify-content: center; padding-inline: 10px; }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
  .market-panel { overflow-x: auto; }
  .market-row { min-width: 850px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav { position: static; width: 100%; height: auto; flex-direction: row; overflow-x: auto; padding: 8px 12px; }
  .admin-nav a { flex: 0 0 auto; border-left: 0; border-bottom: 3px solid transparent; }
  .admin-nav a[aria-current="page"] { border-left-color: transparent; border-bottom-color: var(--primary); }
  .admin-main { padding: 24px 16px 48px; }
  .admin-list { overflow-x: auto; }
  .admin-list-head, .admin-list-row { min-width: 820px; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 24px), var(--max-width)); }
  .page-shell { padding-block: 36px 64px; }
  .brand img { width: 184px; height: auto; }
  .coin-hero { padding-block: 28px 34px; }
  .coin-heading { align-items: flex-start; }
  .coin-logo { width: 58px; height: 58px; }
  .price-grid { grid-template-columns: 1fr 1fr; }
  .price-grid > div { min-height: 98px; padding: 16px; }
  .price-grid .price-primary, .price-grid > .metric:last-child { grid-column: 1 / -1; }
  .range-strip { grid-template-columns: 1fr 1fr; }
  .range-strip > div:nth-child(2) { border-right: 0; }
  .range-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .coin-page-stack { padding-block: 20px 64px; }
  .coin-section, .side-utility { padding: 20px; scroll-margin-top: calc(var(--header-height) + 12px); }
  .snapshot-grid { grid-template-columns: 1fr 1fr; }
  .trend-summary-grid { grid-template-columns: 1fr 1fr; }
  .history-grid { padding-inline: 10px; }
  .coin-side-column { grid-template-columns: 1fr; }
  .coin-side-column .risk-box { grid-column: auto; }
  .coin-converter-mobile .converter-results { grid-template-columns: 1fr; }
  .asset-insight-grid { grid-template-columns: 1fr; }
  .related-coins-grid { grid-template-columns: 1fr; }
  .section-card, .converter-panel, .article-card { padding: 20px; }
  .section-heading { flex-direction: column; }
  .chart-tabs { width: 100%; }
  .chart-tab { flex: 1; }
  .chart-meta { align-items: flex-start; flex-direction: column; gap: 4px; }
  .chart-summary { text-align: left; }
  .chart-stage { min-height: 236px; margin-inline: -8px; }
  .price-chart { min-height: 236px; }
  .chart-tooltip { min-width: 132px; padding: 8px 10px; }
  .chart-axis text { font-size: 28px; }
  .chart-data-head, .chart-data-list > li { padding: 9px 10px; }
  .change-strip { grid-template-columns: repeat(2, 1fr); }
  .definition-grid { grid-template-columns: 1fr 1fr; }
  .side-column { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 80px 1fr; gap: 12px; padding-left: 18px; }
  .resource-list > div:not(.empty-state) { grid-template-columns: 1fr auto; }
  .resource-list span { grid-column: 1 / -1; }
  .market-panel { overflow: visible; border: 0; background: transparent; }
  .market-head { display: none; }
  .market-list { display: grid; gap: 12px; }
  .market-row, a.market-row { min-width: 0; grid-template-columns: 1fr 1fr; gap: 14px; padding: 16px; border: 1px solid var(--border); background: #fff; }
  .market-row > span { align-items: flex-start; }
  .market-asset { grid-column: 1 / -1; }
  .market-row > span:nth-child(5) { grid-column: 1 / -1; }
  .news-card { padding: 20px; }
  .flash-item { grid-template-columns: 1fr; gap: 8px; padding: 20px; }
  .form-grid, .converter-results, .converter-output { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 16px; }
  .error-panel { min-height: 360px; padding: 28px; }
  .login-panel { padding: 26px 20px; }
  .admin-topbar { padding-inline: 14px; }
  .admin-topbar img { width: 160px; height: auto; }
  .admin-topbar > div > span { display: none; }
  .admin-page-header { flex-direction: column; }
  .editor-form { grid-template-columns: 1fr; padding: 18px; }
  .field-wide, .editor-form .form-actions { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .button, .chart-tabs, .chart-tooltip, .chart-data, .toast { display: none !important; }
  body { background: #fff; color: #000; }
  .container { width: 100%; }
  .section-card, .article-card { break-inside: avoid; border-color: #aaa; box-shadow: none; }
}