.back-btn {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  text-decoration: none;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder {
  width: 32px;
}

.stock-title {
  text-align: center;
}
.stock-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
}
.stock-code {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.quote-main {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 20px;
}
.quote-price {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}
.quote-rate {
  font-size: 1.125rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  line-height: 1;
}
.quote-rate.up {
  background-color: var(--color-up);
  color: #fff;
}
.quote-rate.down {
  background-color: var(--color-down);
  color: #fff;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px 0;
}
.quote-item {
  text-align: center;
}
.quote-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}
.quote-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.trade-tab {
  display: flex;
  background-color: var(--color-card);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 12px;
}
.trade-tab-item {
  flex: 1;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.trade-tab-item.active {
  background-color: var(--color-primary);
  color: #fff;
}

.available-info {
  padding: 12px 16px;
  margin-bottom: 12px;
}
.info-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.info-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-left: 8px;
}

.price-input-box, .quantity-input-box {
  position: relative;
}
.price-input, .quantity-input {
  font-size: 1.25rem;
  font-weight: 600;
}

.quick-btns {
  display: flex;
  gap: 12px;
  margin: 16px 0;
}
.quick-btn {
  flex: 1;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  cursor: pointer;
}
.quick-btn:active {
  background-color: var(--color-bg);
}

.amount-info {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.amount-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}
.fee-info {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.trade-btn-box {
  margin: 20px 0;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  padding: 0 4px;
}

.holding-list {
  background-color: var(--color-card);
  border-radius: 12px;
  overflow: hidden;
}
.holding-item {
  padding: 16px 12px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
}
.holding-item:last-child {
  border-bottom: none;
}
.holding-item:active {
  background-color: var(--color-bg);
}
.holding-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}
.holding-code {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-left: 8px;
}
.holding-quantity {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}