:root {
  --navy: #0c1730;
  --navy-2: #152748;
  --blue: #2f6df6;
  --blue-soft: #eaf1ff;
  --cyan: #27b7d6;
  --gold: #d5a62e;
  --ink: #162039;
  --muted: #65718a;
  --line: #dfe6f0;
  --surface: #ffffff;
  --soft: #f4f7fb;
  --success: #15835d;
  --danger: #cb3b4b;
  --warning: #b66a00;
  --shadow: 0 18px 50px rgba(15, 30, 63, 0.09);
  --radius: 1.2rem;
  --content: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--soft);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", Roboto, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, select { cursor: pointer; }
a { color: #1f5bd3; text-underline-offset: .17em; }
:focus-visible { outline: 3px solid rgba(47, 109, 246, .35); outline-offset: 3px; }
.skip-link { position: fixed; left: .7rem; top: .7rem; z-index: 100; transform: translateY(-160%); padding: .65rem .9rem; color: #fff; background: var(--navy); border-radius: .55rem; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 2rem), var(--content)); margin-inline: auto; }
.content-width { width: min(100%, 860px); }
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 4.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--navy); font-size: 1.1rem; font-weight: 850; letter-spacing: -.035em; text-decoration: none; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: 1.15rem; }
.site-nav a { color: var(--muted); font-size: .9rem; font-weight: 650; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--blue); }
.language-link { padding: .35rem .68rem; border: 1px solid #bac7db; border-radius: .55rem; }
.dashboard-hero { padding: 2.4rem 0 3.6rem; color: #fff; background: radial-gradient(circle at 90% 0%, rgba(47,109,246,.55), transparent 32rem), linear-gradient(135deg, var(--navy), #13284c 75%); }
.hero-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 1.5rem; }
.eyebrow { margin: 0 0 .55rem; color: var(--blue); font-size: .74rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.dashboard-hero .eyebrow { color: #8eb2ff; }
h1, h2, h3 { margin-top: 0; line-height: 1.22; letter-spacing: -.035em; }
h1 { max-width: 720px; margin-bottom: .65rem; font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 870; }
h2 { margin-bottom: .6rem; font-size: clamp(1.65rem, 3vw, 2.3rem); font-weight: 830; }
h3 { margin-bottom: .35rem; font-size: 1.05rem; }
p { margin-top: 0; }
.hero-description { max-width: 700px; margin-bottom: 0; color: #c9d5e9; }
.market-status { flex: 0 0 auto; min-width: 220px; padding: .85rem 1rem; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.15); border-radius: .9rem; }
.status-line { display: flex; align-items: center; gap: .5rem; font-size: .84rem; font-weight: 720; }
.status-dot { width: .58rem; height: .58rem; background: #e4a630; border-radius: 50%; }
.status-dot.ok { background: #3fd39d; }
.status-dot.warning { background: #f2bd4d; }
.status-dot.error { background: #ff6a78; }
.market-status time { display: block; margin-top: .28rem; color: #b7c5dc; font-size: .77rem; }
.status-refresh { margin-top: .35rem; color: #a9c4ff; }
.dashboard-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 1rem; }
.dashboard-panel { min-width: 0; padding: 1rem; background: rgba(255,255,255,.075); border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .75rem; }
.panel-heading h2 { margin: 0; font-size: 1rem; letter-spacing: -.015em; }
.panel-heading span { color: #aebbd0; font-size: .74rem; }
.snapshot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .55rem; }
.metal-snapshot-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.snapshot-card { min-width: 0; padding: .8rem; color: #fff; text-align: left; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); border-radius: .8rem; transition: transform .16s ease, background .16s ease; }
.snapshot-card:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }
.snapshot-card.active { border-color: #83aaff; background: rgba(47,109,246,.22); }
.snapshot-top { display: flex; align-items: center; justify-content: space-between; gap: .35rem; }
.asset-code { font-size: .78rem; font-weight: 850; letter-spacing: .06em; }
.asset-name { color: #aebdd3; font-size: .7rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.snapshot-value { display: block; margin-top: .38rem; font-size: clamp(.9rem, 1.5vw, 1.08rem); font-weight: 820; letter-spacing: -.02em; white-space: nowrap; }
.snapshot-label { min-height: 2.45em; font-size: clamp(.76rem, 1.25vw, .9rem); line-height: 1.22; white-space: normal; }
.snapshot-unit { display: block; color: #9fb0c9; font-size: .66rem; line-height: 1.35; }
.section { padding: clamp(3.8rem, 7vw, 5.8rem) 0; }
.section-tint { background: #edf3fa; }
#fx-chart-section, #metal-guide-section { scroll-margin-top: 4.5rem; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 1.5rem; }
.section-heading p:last-child { max-width: 650px; margin-bottom: 0; color: var(--muted); }
.chart-card { padding: clamp(1rem, 2.5vw, 1.6rem); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.chart-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.toolbar-fields { display: flex; align-items: flex-end; gap: .7rem; }
.field label { display: block; margin-bottom: .3rem; color: var(--muted); font-size: .78rem; font-weight: 750; }
.control { min-height: 2.75rem; padding: .55rem .75rem; color: var(--ink); background: #fff; border: 1px solid #cbd5e4; border-radius: .65rem; }
.control:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 .22rem rgba(47,109,246,.12); }
.range-group { display: inline-flex; padding: .25rem; background: var(--soft); border: 1px solid var(--line); border-radius: .68rem; }
.range-button { min-height: 2.25rem; padding: .35rem .65rem; color: var(--muted); background: transparent; border: 0; border-radius: .48rem; font-size: .8rem; font-weight: 730; }
.range-button.active { color: #fff; background: var(--blue); }
.chart-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .65rem; margin-bottom: 1rem; }
.stat-box { padding: .75rem .85rem; background: var(--soft); border: 1px solid var(--line); border-radius: .72rem; }
.stat-label { color: var(--muted); font-size: .72rem; }
.stat-value { margin-top: .16rem; font-size: 1rem; font-weight: 820; white-space: nowrap; }
.stat-value.positive { color: var(--success); }
.stat-value.negative { color: var(--danger); }
.chart-wrap { position: relative; min-height: 430px; overflow: hidden; background: linear-gradient(180deg,#fbfdff,#f7f9fc); border: 1px solid var(--line); border-radius: .85rem; }
.market-chart { width: 100%; height: 430px; display: block; }
.chart-tooltip { position: absolute; z-index: 3; min-width: 120px; padding: .55rem .65rem; color: #fff; background: rgba(12,23,48,.94); border-radius: .55rem; font-size: .75rem; pointer-events: none; transform: translate(-50%,-110%); }
.chart-loading { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; color: var(--muted); background: rgba(255,255,255,.82); font-size: .9rem; font-weight: 720; }
.chart-caption { display: flex; justify-content: space-between; gap: 1rem; margin: .8rem 0 0; color: var(--muted); font-size: .76rem; }
.data-note { margin: .65rem 0 0; padding-top: .65rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .79rem; }
.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.info-card { padding: 1.25rem; background: #fff; border: 1px solid var(--line); border-radius: 1rem; }
.info-card p { margin-bottom: 0; color: var(--muted); font-size: .91rem; }
.metal-guide-layout { display: grid; grid-template-columns: minmax(190px,.34fr) minmax(0,1fr); gap: 1rem; align-items: start; }
.metal-guide-control { padding: 1.1rem; background: #fff; border: 1px solid var(--line); border-radius: 1rem; }
.metal-guide-control label { display: block; margin-bottom: .4rem; color: var(--muted); font-size: .8rem; font-weight: 750; }
.metal-guide-control .control { width: 100%; }
.metal-guide-control p { margin: .7rem 0 0; color: var(--muted); font-size: .8rem; }
.metal-detail-card { min-height: 320px; padding: clamp(1.25rem,3vw,2rem); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.metal-detail-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.metal-detail-heading h3 { margin: 0; font-size: clamp(1.45rem,2.7vw,2rem); }
.market-badge { flex: 0 0 auto; padding: .4rem .65rem; color: #2c527f; background: #e6f0fb; border: 1px solid #c9daee; border-radius: 999px; font-size: .75rem; font-weight: 780; }
.metal-summary { max-width: 760px; margin: 1rem 0 1.35rem; color: var(--muted); }
.metal-facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .7rem; margin: 0; }
.metal-facts div { padding: .85rem; background: var(--soft); border: 1px solid var(--line); border-radius: .75rem; }
.metal-facts dt { color: var(--muted); font-size: .72rem; font-weight: 750; }
.metal-facts dd { margin: .25rem 0 0; font-size: .88rem; font-weight: 680; line-height: 1.5; }
.comparison-wrap { margin-top: 1.1rem; overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 1rem; }
.comparison-table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: .86rem; }
.comparison-table caption { padding: 1rem 1rem .65rem; color: var(--ink); font-size: 1rem; font-weight: 780; text-align: left; }
.comparison-table th, .comparison-table td { padding: .8rem 1rem; text-align: left; border-top: 1px solid var(--line); }
.comparison-table thead th { color: var(--muted); background: #f8fafc; font-size: .75rem; }
.comparison-table tbody th { white-space: nowrap; }
.source-note { margin: 1rem 0 0; color: var(--muted); font-size: .82rem; }
.article-section { padding: 4rem 0; background: #fff; }
.article-section h2 { margin-top: 2.1rem; font-size: 1.45rem; }
.article-section li + li { margin-top: .45rem; }
.article-meta, .muted { color: var(--muted); }
.notice { padding: 1rem 1.1rem; background: var(--blue-soft); border-left: 4px solid var(--blue); border-radius: .4rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { position: relative; padding: 1.05rem 2.2rem 1.05rem 0; font-weight: 760; list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: .2rem; top: .82rem; color: var(--blue); font-size: 1.35rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 2rem 1.05rem 0; color: var(--muted); }
.site-footer { padding: 3rem 0 2rem; background: #fff; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; }
.footer-summary { max-width: 560px; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .65rem 1rem; }
.footer-links a { color: var(--muted); font-size: .86rem; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.7rem; padding-top: 1rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .78rem; }
.text-button { padding: 0; color: #1f5bd3; background: transparent; border: 0; font-size: .82rem; font-weight: 750; text-decoration: underline; text-underline-offset: .16em; }
.market-status .text-button { color: #a9c4ff; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
[hidden] { display: none !important; }

@media (max-width: 980px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-panel { overflow: hidden; }
  .info-grid { grid-template-columns: 1fr; }
  .metal-guide-layout { grid-template-columns: 1fr; }
  .metal-facts { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .container { width: min(calc(100% - 1.2rem), var(--content)); }
  .site-nav a:not(.language-link) { display: none; }
  .hero-top, .section-heading, .chart-toolbar, .chart-caption, .footer-bottom { align-items: flex-start; flex-direction: column; }
  h1 { font-size: clamp(1.8rem, 7.5vw, 2.2rem); overflow-wrap: anywhere; }
  .panel-heading { align-items: flex-start; flex-direction: column; gap: .15rem; }
  .market-status { width: 100%; }
  .snapshot-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .snapshot-card { padding: .7rem; }
  .metal-snapshot-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .chart-toolbar, .toolbar-fields { align-items: stretch; }
  .toolbar-fields { width: 100%; flex-direction: column; }
  .control { width: 100%; }
  .range-group { width: 100%; display: grid; grid-template-columns: repeat(4,1fr); }
  .chart-stats { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .chart-wrap, .market-chart { height: 340px; min-height: 340px; }
  .metal-detail-heading { flex-direction: column; }
  .market-badge { align-self: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}