.calculator-card, .settings-card, .market-card, .intelligence-card, .company-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.calculator-card { padding: 22px; }
.calculator-card label { display: block; font-weight: 800; margin-bottom: 12px; }
.amount-row { display: flex; align-items: center; background: #f9fafb; border: 1px solid var(--border); border-radius: 14px; padding: 12px 16px; }
.amount-row input { width: 100%; border: 0; background: transparent; font-size: 26px; outline: none; }
#depositMethod { width: 100%; padding: 14px 16px; border: 1px solid var(--border); border-radius: 14px; font-size: 18px; background: #f9fafb; }
.settings-card { padding: 20px; margin: 20px 0; }
.settings-card summary { cursor: pointer; font-size: 18px; font-weight: 900; }
.settings-note { color: var(--muted); line-height: 1.6; }
.fee-grid { display: grid; gap: 14px; margin-top: 16px; }
.fee-row { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 10px; align-items: center; }
.fee-row input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 10px; }
#resetFees { margin-top: 16px; padding: 10px 14px; border: none; border-radius: 12px; font-weight: 800; cursor: pointer; }
.market-card, .intelligence-card { margin: 32px 0 40px; padding: 22px; }
.market-grid, .intelligence-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.market-item, .intelligence-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 16px; text-align: center; box-shadow: 0 3px 8px rgba(0,0,0,.04); }
.market-item span, .intelligence-item span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.market-item strong, .intelligence-item strong { font-size: 20px; font-weight: 900; }
.market-item small { display: block; margin-top: 6px; color: var(--muted); }