:root {
  color-scheme: light;
  --ink: #10251e;
  --muted: #68766f;
  --paper: #f3f0e8;
  --panel: rgba(255, 255, 252, 0.72);
  --line: rgba(16, 37, 30, 0.13);
  --green: #126b4d;
  --bright: #c9f55d;
  --coral: #dd6047;
  --shadow: 0 22px 70px rgba(25, 48, 39, 0.08);
  --mono: "DM Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 75% 8%, rgba(201, 245, 93, 0.28), transparent 25rem),
    radial-gradient(circle at 3% 45%, rgba(18, 107, 77, 0.08), transparent 32rem),
    var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  z-index: 10;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}

button, input, select { font: inherit; }
button, select { cursor: pointer; }
.wrap { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { height: 76px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 700; letter-spacing: .08em; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--ink); color: var(--bright); font: 500 13px var(--mono); }
.brand-copy { display: flex; flex-direction: column; gap: 3px; }
.brand-copy strong { font: 500 12px var(--mono); letter-spacing: .12em; }
.brand-copy small { color: var(--muted); font: 9px var(--mono); letter-spacing: .13em; }
.source-status { display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 13px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #d0a625; box-shadow: 0 0 0 5px rgba(208,166,37,.12); }
.status-dot.online { background: #2d9a6e; box-shadow: 0 0 0 5px rgba(45,154,110,.12); }
.status-dot.error { background: var(--coral); box-shadow: 0 0 0 5px rgba(221,96,71,.12); }

.panel { border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(20px); box-shadow: var(--shadow); border-radius: 28px; }
.converter { padding: 34px; margin-top: 42px; }
.panel-title-row, .section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.section-kicker { margin: 0 0 10px; }
h1, h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); letter-spacing: -.04em; line-height: 1.15; }
.panel-title-row time { color: var(--muted); font: 13px var(--mono); }
.converter-grid { margin-top: 34px; display: grid; grid-template-columns: 1.2fr .8fr 48px .8fr 1.3fr; gap: 14px; align-items: end; }
.converter-grid label, .conversion-result { display: flex; flex-direction: column; gap: 9px; }
.converter-grid label > span, .conversion-result > span, .pair-picker label span { font-size: 12px; color: var(--muted); }
.converter-grid input, .converter-grid select, .pair-picker select {
  width: 100%; height: 58px; border: 1px solid var(--line); border-radius: 14px; padding: 0 16px; color: var(--ink); background: rgba(255,255,255,.68); outline: none;
}
.converter-grid input { font: 500 20px var(--mono); }
.converter-grid input:focus, .converter-grid select:focus, .pair-picker select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(18,107,77,.1); }
.swap-button, .pair-swap { border: 0; background: var(--ink); color: var(--bright); transition: transform .2s ease, background .2s ease; }
.swap-button { width: 48px; height: 48px; border-radius: 50%; margin-bottom: 5px; font-size: 20px; }
.swap-button:hover, .pair-swap:hover { transform: rotate(180deg); background: var(--green); }
.conversion-result { min-height: 58px; border-left: 1px solid var(--line); padding-left: 24px; justify-content: center; }
.conversion-result strong { font: 500 clamp(21px, 2.5vw, 31px)/1.2 var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conversion-detail { margin: 20px 0 0; font: 12px var(--mono); color: var(--muted); }

.ticker-section { padding-top: 34px; }
.ticker-meta { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 15px; padding: 0 4px; }
.ticker-meta h2 { font-size: 23px; letter-spacing: -.03em; }
.ticker-refresh { display: flex; align-items: center; gap: 8px; color: var(--muted); font: 10px var(--mono); }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: #2d9a6e; box-shadow: 0 0 0 4px rgba(45,154,110,.11); }
.ticker-frame { overflow: hidden; min-height: 80px; border-radius: 20px; padding: 6px 2px; }
.tradingview-widget-container { min-height: 68px; width: 100%; }
.market-note { margin: 9px 4px 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.market-section, .matrix-section { padding-top: 90px; }
.section-heading > p { color: var(--muted); max-width: 420px; line-height: 1.7; margin: 0 0 4px; }
.pair-picker { display: flex; align-items: end; gap: 12px; margin: 32px 0 18px; }
.pair-picker label { display: flex; flex-direction: column; gap: 7px; }
.pair-picker select { height: 46px; min-width: 170px; background-color: rgba(255,255,255,.5); }
.pair-swap { width: 38px; height: 38px; margin-bottom: 4px; border-radius: 50%; }
.chart-layout { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(270px, .7fr); gap: 18px; }
.chart-card { padding: 30px; min-width: 0; overflow: hidden; }
.chart-header { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.chart-pair { margin: 0 0 8px; font: 500 12px var(--mono); color: var(--muted); letter-spacing: .1em; }
.chart-current-row { display: flex; gap: 13px; align-items: center; }
.chart-current-row strong { font: 500 clamp(30px, 4vw, 48px) var(--mono); letter-spacing: -.05em; }
.change-pill { padding: 6px 9px; border-radius: 99px; background: rgba(18,107,77,.1); color: var(--green); font: 500 12px var(--mono); }
.change-pill.negative { color: var(--coral); background: rgba(221,96,71,.1); }
.chart-legend { color: var(--muted); font-size: 11px; display: flex; align-items: center; gap: 7px; }
.chart-legend span { width: 18px; border-top: 2px solid var(--green); }
.chart { position: relative; width: 100%; min-height: 310px; margin-top: 20px; }
.chart svg { display: block; width: 100%; height: 310px; overflow: visible; }
.chart-loading { height: 310px; display: grid; place-items: center; color: var(--muted); }
.grid-line { stroke: rgba(16,37,30,.09); stroke-dasharray: 3 5; }
.axis-label { fill: #819087; font: 10px var(--mono); }
.trend-line { fill: none; stroke: var(--green); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.trend-area { fill: url(#area-gradient); }
.trend-dot { fill: var(--paper); stroke: var(--green); stroke-width: 2; }
.chart-tooltip { position: absolute; pointer-events: none; opacity: 0; transform: translate(-50%, -100%); padding: 8px 10px; border-radius: 9px; background: var(--ink); color: white; font: 11px/1.5 var(--mono); white-space: nowrap; transition: opacity .12s; }
.analysis-card { padding: 30px; background: var(--ink); color: white; }
.analysis-card .section-kicker { color: var(--bright); }
.analysis-card h3 { margin: 26px 0 13px; font-size: 25px; line-height: 1.4; }
.analysis-copy { min-height: 92px; color: rgba(255,255,255,.64); line-height: 1.75; font-size: 14px; }
.metrics { margin: 28px 0 0; border-top: 1px solid rgba(255,255,255,.13); }
.metrics div { display: flex; align-items: center; justify-content: space-between; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.metrics dt { color: rgba(255,255,255,.5); font-size: 12px; }
.metrics dd { margin: 0; font: 12px var(--mono); }

.matrix-wrap { overflow-x: auto; margin-top: 30px; padding: 12px; }
table { width: 100%; min-width: 760px; border-collapse: collapse; }
th, td { padding: 19px 17px; text-align: right; border-bottom: 1px solid var(--line); font: 12px var(--mono); }
thead th { color: var(--muted); font-size: 11px; }
th:first-child, td:first-child { text-align: left; position: sticky; left: 0; background: #f8f7f1; z-index: 1; }
tbody th { font: 600 13px "Noto Sans SC", sans-serif; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
td.identity { color: #a0aaa4; }
.currency-name { display: block; margin-top: 3px; font-size: 10px; font-weight: 400; color: var(--muted); }
.methodology { margin-top: 85px; padding: 30px; display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center; }
.method-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; background: var(--bright); color: var(--ink); font: 500 20px var(--mono); }
.methodology h2 { font-size: 19px; margin-bottom: 6px; }
.methodology p { margin: 0; max-width: 730px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.methodology a { color: var(--green); font-size: 13px; text-decoration: none; white-space: nowrap; }
footer { padding: 45px 0 55px; display: flex; justify-content: space-between; color: var(--muted); font: 10px var(--mono); letter-spacing: .08em; }
.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; }

@media (max-width: 850px) {
  .converter-grid { grid-template-columns: 1fr 1fr 42px 1fr; }
  .amount-field { grid-column: 1 / -1; }
  .conversion-result { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); padding: 20px 0 0; margin-top: 6px; }
  .chart-layout { grid-template-columns: 1fr; }
  .analysis-copy { min-height: 0; }
}

@media (max-width: 600px) {
  .wrap { width: min(100% - 24px, 1180px); }
  .site-header { height: 66px; }
  .brand-copy { display: none; }
  .source-status { max-width: 190px; text-align: right; font-size: 10px; }
  .converter { margin-top: 18px; }
  .panel { border-radius: 22px; }
  .converter, .chart-card, .analysis-card { padding: 22px; }
  .panel-title-row, .section-heading { align-items: start; flex-direction: column; gap: 14px; }
  .converter-grid { grid-template-columns: 1fr 38px 1fr; }
  .amount-field { grid-column: 1 / -1; }
  .swap-button { width: 38px; height: 38px; font-size: 17px; }
  .ticker-section { padding-top: 28px; }
  .ticker-meta { align-items: start; flex-direction: column; gap: 10px; }
  .ticker-frame { border-radius: 17px; }
  .market-section, .matrix-section { padding-top: 70px; }
  .pair-picker { display: grid; grid-template-columns: 1fr 36px 1fr; }
  .pair-picker select { min-width: 0; padding-inline: 10px; }
  .chart-header { flex-direction: column; }
  .chart-legend { display: none; }
  .chart, .chart svg { min-height: 250px; height: 250px; }
  .methodology { grid-template-columns: auto 1fr; padding: 22px; }
  .methodology a { grid-column: 2; }
  footer { flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}