* {
  box-sizing: border-box;
}

:root {
  --bg: #eef1f5;
  --frame: #ffffff;
  --frame-border: #d8dfe6;
  --text: #0f172a;
  --muted: #5b6472;
  --accent: #d9b256;
  --accent-soft: #f7edd1;
  --brand: #2f80ed;
  --danger: #cf1f3b;
  --success: #16824a;
  --row: #f4f6f8;
  --row-alt: #ffffff;
  --shadow: 0 28px 80px rgba(15, 23, 42, 0.15);
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 20px 20px 56px;
  background:
    radial-gradient(circle at top, rgba(217, 178, 86, 0.18), transparent 36%),
    linear-gradient(180deg, #f9fafb 0%, #e9edf2 100%);
  color: var(--text);
  font-family: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;
}

.display-shell {
  width: min(1040px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 18px;
  background: var(--frame);
  border: 1px solid var(--frame-border);
  box-shadow: var(--shadow);
  overflow: visible;
  display: grid;
  grid-template-rows: auto auto;
  gap: 12px;
}

.header-stack {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  gap: 12px;
  padding-bottom: 8px;
  background: var(--frame);
}

.ticker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--frame-border);
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.ticker-card {
  min-height: 82px;
  padding: 12px 18px;
  border-right: 1px solid var(--frame-border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.ticker-card:last-child {
  border-right: 0;
}

.ticker-card.loading {
  grid-column: 1 / -1;
  color: var(--muted);
  align-items: center;
}

.ticker-title {
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.flag {
  font-size: 18px;
}

.ticker-values {
  display: flex;
  align-items: baseline;
  gap: 16px;
  white-space: nowrap;
}

.ticker-quote {
  font-size: 29px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.ticker-move {
  font-size: 17px;
  font-weight: 700;
}

.ticker-move.down {
  color: var(--danger);
}

.ticker-move.up {
  color: var(--success);
}

.masthead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 0 0 8px;
  border-bottom: 4px solid #222222;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  font-size: 48px;
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.12em;
  color: var(--brand);
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-text {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.menu {
  display: flex;
  gap: 24px;
  font-size: 17px;
}

.board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.primary,
.sidebar {
  min-height: auto;
}

.breadcrumbs {
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 8px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

h2,
h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.updated-pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #72551c;
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.panel,
.side-card {
  border: 1px solid var(--frame-border);
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.panel {
  padding: 12px;
}

.panel-tight {
  padding: 12px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-head span {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.price-table,
.exchange-table,
.mini-table {
  width: 100%;
  border-collapse: collapse;
}

th {
  padding: 0 6px 7px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
}

th:first-child,
td:first-child {
  text-align: left;
}

td {
  padding: 8px 8px;
  border-top: 1px solid var(--frame-border);
  text-align: right;
  font-size: 15px;
  background: var(--row);
}

tr:nth-child(even) td {
  background: var(--row-alt);
}

.price-table td {
  font-variant-numeric: tabular-nums;
}

.metal-cell {
  min-width: 140px;
}

.metal-name {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metal-code {
  display: block;
  margin-top: 2px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

td.bid,
td.ask {
  background: #41a34a !important;
  color: #ffffff !important;
}

.up,
td.up,
.mini-move.up {
  color: var(--success);
}

.down,
td.down,
.mini-move.down {
  color: var(--danger);
}

.lower-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 0.98fr 1.02fr;
  gap: 12px;
}

.chart-row {
  margin-top: 12px;
}

.detail-panel {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.detail-panel.loading {
  color: var(--muted);
  align-items: center;
}

.mini-table td {
  padding: 8px 8px;
  font-size: 14px;
}

.mini-label {
  font-weight: 700;
}

.sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.side-card {
  padding: 12px;
}

.side-card h3 {
  margin-bottom: 8px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.summary-item {
  padding: 10px;
  border-radius: 16px;
  background: #f6f8fb;
  border: 1px solid #e3e8ef;
}

.summary-item.loading {
  grid-column: 1 / -1;
  color: var(--muted);
}

.summary-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.summary-value {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.summary-value.tight {
  font-size: 15px;
}

#chart {
  width: 100%;
  height: 340px;
  display: block;
  border: 1px solid #cbd5e1;
  border-radius: 0;
  background: #ffffff;
}

@media (max-width: 900px) {
  .display-shell {
    width: 100%;
  }

  .header-stack {
    top: 0;
  }

  .ticker,
  .lower-grid,
  .summary-grid,
  .sidebar {
    grid-template-columns: 1fr;
  }

  .masthead {
    align-items: start;
    flex-direction: column;
  }

  .menu {
    flex-wrap: wrap;
    gap: 16px;
    font-size: 18px;
  }

  .sidebar {
    grid-template-rows: auto;
  }

  .brand-text {
    font-size: 42px;
  }
}