/* ============================================================
   foreign-net-value.css — UI Widget Giao dịch Khối ngoại Mua / Bán ròng
   ============================================================ */

.foreign-net-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-primary);
  width: 100%;
  box-sizing: border-box;
}

/* Combined Dual Layout: Side-by-side for Khối Ngoại & Tự Doanh */
.foreign-prop-wrapper {
  max-width: 1400px;
  margin: 0 auto;
}

.foreign-prop-shared-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-card);
}

.foreign-prop-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 1024px) {
  .foreign-prop-dual-grid {
    grid-template-columns: 1fr;
  }
}

/* Header & Timeframe selector */
.foreign-net-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.foreign-net-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.foreign-net-timeframes {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px;
  gap: 2px;
}

[data-theme="light"] .foreign-net-timeframes {
  background: rgba(0, 0, 0, 0.05);
}

.foreign-tf-btn {
  background: transparent;
  border: none;
  border-radius: calc(var(--radius) - 2px);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.foreign-tf-btn:hover {
  color: var(--text-primary);
}

.foreign-tf-btn.active {
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Main Grid Layout: 2 Columns */
.foreign-net-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.foreign-net-col {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.foreign-col-header {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.foreign-col-header.buy {
  text-align: right;
  padding-right: 0.5rem;
}

.foreign-col-header.sell {
  text-align: left;
  padding-left: 0.5rem;
}

/* Row Items */
.foreign-row {
  display: flex;
  align-items: center;
  height: 28px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Mua ròng (Left Column) */
.foreign-row.buy-row {
  justify-content: flex-end;
  gap: 0.6rem;
}

.foreign-val-buy {
  color: #10b981;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.foreign-bar-wrapper-buy {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.45rem;
}

.foreign-bar-buy {
  height: 18px;
  background: linear-gradient(90deg, #10b981, #059669);
  border-radius: 4px;
  transition: width 0.4s ease-out;
  min-width: 6px;
}

.foreign-sym-buy {
  font-weight: 800;
  color: var(--text-primary);
  min-width: 65px;
  text-align: left;
  letter-spacing: 0.03em;
}

/* Bán ròng (Right Column) */
.foreign-row.sell-row {
  justify-content: flex-start;
  gap: 0.6rem;
}

.foreign-sym-sell {
  font-weight: 800;
  color: var(--text-primary);
  min-width: 65px;
  text-align: right;
  letter-spacing: 0.03em;
}

.foreign-bar-wrapper-sell {
  flex: 1;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 0.45rem;
}

.foreign-bar-sell {
  height: 18px;
  background: linear-gradient(90deg, #ef4444, #dc2626);
  border-radius: 4px;
  transition: width 0.4s ease-out;
  min-width: 6px;
}

.foreign-val-sell {
  color: #ef4444;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: left;
  white-space: nowrap;
}

/* Loading & Empty states */
.foreign-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  gap: 0.5rem;
}

/* Responsive for Mobile */
@media (max-width: 768px) {
  .foreign-net-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .foreign-net-card {
    padding: 1rem;
  }
  .foreign-sym-buy, .foreign-sym-sell {
    min-width: 55px;
    font-size: 0.8rem;
  }
}