* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; color: #333; line-height: 1.6; }

.container { max-width: 1200px; margin: 0 auto; padding: 1rem; }

.navbar { background: #1a1a2e; color: #fff; padding: 0.75rem 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.nav-name { font-weight: 600; font-size: 1.1em; }
.nav-links a { color: #aaa; text-decoration: none; margin-left: 1.5rem; padding: 0.25rem 0; }
.nav-links a.active { color: #fff; border-bottom: 2px solid #4fc3f7; }
.nav-links a:hover { color: #fff; }

.card { background: #fff; border-radius: 8px; padding: 1.25rem; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }

h1 { text-align: center; margin: 2rem 0 1rem; color: #1a1a2e; }
h2 { margin-bottom: 0.75rem; color: #1a1a2e; }
h3 { margin: 1.5rem 0 0.5rem; color: #444; }
h4 { margin-bottom: 0.5rem; color: #555; }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; }
.form-group input { width: 100%; padding: 0.5rem; border: 1px solid #ddd; border-radius: 4px; font-size: 1rem; }

.btn { padding: 0.5rem 1rem; border: none; border-radius: 4px; cursor: pointer; font-size: 0.9rem; }
.btn-primary { background: #1a73e8; color: #fff; }
.btn-primary:hover { background: #1557b0; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.8rem; }
.btn-danger { background: #e53935; color: #fff; }
.btn-danger:hover { background: #c62828; }

.alert { padding: 0.75rem 1rem; border-radius: 4px; margin-bottom: 1rem; }
.alert-success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.alert-error { background: #ffebee; color: #c62828; border: 1px solid #ef9a9a; }

.tabs { display: flex; gap: 0; margin-bottom: 1rem; }
.tab { padding: 0.75rem 2rem; background: #e0e0e0; border: none; cursor: pointer; font-size: 1rem; font-weight: 500; }
.tab:first-child { border-radius: 8px 0 0 8px; }
.tab:last-child { border-radius: 0 8px 8px 0; }
.tab.active { background: #1a73e8; color: #fff; }

.total-asset { text-align: center; padding: 1.5rem; background: linear-gradient(135deg, #1a1a2e, #16213e); color: #fff; border-radius: 8px; margin-bottom: 1rem; }
.total-label { font-size: 0.9em; opacity: 0.8; }
.total-value { font-size: 2.5em; font-weight: 700; margin: 0.25rem 0; }
.total-breakdown { font-size: 1.05em; margin: 0.4rem 0; line-height: 1.6; }
.total-breakdown small { opacity: 0.75; font-size: 0.82em; margin-left: 0.15em; }
.total-breakdown strong { font-size: 1.6em; font-weight: 700; margin-left: 0.15em; }

.cash-display { background: #fff; padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 1.1em; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 6px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
th { background: #f8f9fa; padding: 0.6rem 0.5rem; text-align: left; font-size: 0.85em; color: #666; white-space: nowrap; }
td { padding: 0.5rem; border-top: 1px solid #eee; font-size: 0.9em; vertical-align: middle; }

.positive { color: #2e7d32; }
.negative { color: #c62828; }
.buy-tag { color: #2e7d32; font-weight: 600; }
.sell-tag { color: #c62828; font-weight: 600; }

.inline-trade { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.inline-trade label { font-size: 0.85em; white-space: nowrap; }
.qty-input { width: 70px; padding: 0.2rem 0.4rem; border: 1px solid #ddd; border-radius: 3px; }
.qty-shares { font-size: 0.75em; color: #888; white-space: nowrap; }
.preview-amount { font-size: 0.85em; font-weight: 600; white-space: nowrap; }
.preview-buy { color: #c62828; }
.preview-sell { color: #2e7d32; }

.trade-cell { min-width: 280px; }

.chart-container { background: #fff; border-radius: 8px; padding: 1rem; margin: 1rem 0; box-shadow: 0 1px 3px rgba(0,0,0,0.1); max-width: 400px; }
.holdings-chart-row { display: flex; gap: 1rem; align-items: flex-start; margin: 1rem 0; }
.holdings-chart-row .holdings-col { flex: 1 1 0; min-width: 0; }
.holdings-chart-row .chart-container { flex: 0 0 320px; margin: 0; }
@media (max-width: 768px) {
  .holdings-chart-row { flex-direction: column; }
  .holdings-chart-row .chart-container { flex: 1 1 auto; width: 100%; max-width: 400px; }
}

.stats-block { background: #fff; border-radius: 6px; padding: 1rem; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.stats-block p { margin: 0.25rem 0; }

.bigmac-hint { font-size: 0.75em; color: #888; }
.gold-hint { font-size: 0.75em; color: #b8860b; }
.bigmac-text { color: #888; }
.bigmac-settings { margin-top: 2rem; font-size: 0.9em; }

.cross-asset { background: linear-gradient(135deg, #2c2c3e, #3a3a5c); color: #fff; padding: 1.25rem; border-radius: 8px; margin-bottom: 1rem; }
.cross-asset-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
.cross-asset-title { font-size: 1.2em; font-weight: 600; }
.cross-asset-rates { font-size: 0.85em; text-align: right; opacity: 0.85; }
.cross-asset-rates small { opacity: 0.7; }
.cross-asset-body { border-top: 1px solid rgba(255,255,255,0.2); padding-top: 0.75rem; }
.cross-asset-big { font-size: 1.6em; font-weight: 700; }
.cross-asset-gold { font-size: 1.1em; color: #ffd700; margin-top: 0.25rem; }

.add-stock { margin-top: 0.5rem; }
.add-stock form { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.add-stock input { padding: 0.4rem 0.6rem; border: 1px solid #ddd; border-radius: 4px; }

.log-table td, .log-table th { white-space: nowrap; }

@media (max-width: 768px) {
  .total-value { font-size: 1.8em; }
  .inline-trade { font-size: 0.8em; }
  td, th { padding: 0.35rem 0.3rem; font-size: 0.8em; }
}