.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.form-row label {
  width: 140px;
  flex-shrink: 0;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  margin: 0;
}

.form-row select,
.form-row input[type="number"],
.form-row input[type="text"] {
  flex: 1;
  padding: 12px 14px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 15px;
  background: var(--card-bg);
  color: var(--text-primary);
  transition: all var(--transition);
  margin: 0;
}

/* Remove spinner arrows from all number inputs */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

.form-row select:focus,
.form-row input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.quick-add-btn-inline {
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.tab.purchase-theme .quick-add-btn-inline {
  background: linear-gradient(135deg, var(--purchase-color), var(--purchase-dark));
}

.tab.sale-theme .quick-add-btn-inline {
  background: linear-gradient(135deg, var(--sale-color), var(--sale-dark));
}

.quick-add-btn-inline:hover {
  box-shadow: var(--shadow);
}

.quick-add-btn-inline:active {
  transform: scale(0.98);
}

label {
  display: block;
  margin-top: 12px;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

select, input[type="number"], input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 15px;
  background: var(--card-bg);
  color: var(--text-primary);
  transition: all var(--transition);
}

/* Remove spinner arrows from all number inputs */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

select:focus, input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.weight-input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  margin-top: 12px;
}

.weight-input-row > div {
  flex: 1;
}

.quick-add-btn {
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.quick-add-btn:hover {
  box-shadow: var(--shadow);
}

.quick-add-btn:active {
  transform: scale(0.98);
}

.weights-compact {
  margin: 12px 0;
}

.weights-compact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  min-height: 50px;
  border: 1px solid var(--border-color);
}

.weight-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--info-light), #bfdbfe);
  padding: 8px 12px;
  border-radius: var(--radius-full);
  border: 2px solid var(--info-color);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-xs);
}

.weight-chip-remove {
  background: linear-gradient(135deg, var(--danger-color), var(--danger-dark));
  color: white;
  border: none;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  transition: all var(--transition);
}

.weight-chip-remove:hover {
  transform: scale(1.1);
}

.bill-summary {
  background: var(--card-bg);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin: 12px 0;
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-around;
  gap: 16px;
  border: 1px solid var(--border-color);
}

.summary-item {
  text-align: center;
  flex: 1;
  white-space: nowrap;
}

.summary-item span {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 600;
}

.summary-item strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-left: 4px;
}

.add-to-bill-btn {
  width: 100%;
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 16px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  margin: 16px 0;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.add-to-bill-btn:hover {
  box-shadow: var(--shadow-lg);
}

.add-to-bill-btn:active {
  transform: scale(0.98);
}

/* -------------------- BILLING THEME -------------------- */
.tab.purchase-theme {
  background: linear-gradient(to bottom, var(--light-bg) 0%, var(--card-bg) 100%);
}

.tab.sale-theme {
  background: linear-gradient(to bottom, var(--sale-light) 0%, var(--card-bg) 100%);
}

.tab.purchase-theme .add-to-bill-btn {
  background: linear-gradient(135deg, var(--purchase-color), var(--purchase-dark));
}

.tab.sale-theme .add-to-bill-btn {
  background: linear-gradient(135deg, var(--sale-color), var(--sale-dark));
}

.tab.purchase-theme h2,
.tab.purchase-theme h3 {
  background: linear-gradient(135deg, var(--purchase-color), var(--purchase-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tab.sale-theme h2,
.tab.sale-theme h3 {
  background: linear-gradient(135deg, var(--sale-color), var(--sale-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tab.purchase-theme .bill-totals {
  border-left: 4px solid var(--purchase-color);
}

.tab.sale-theme .bill-totals {
  border-left: 4px solid var(--sale-color);
}

.rates-container {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.rate-input {
  width: 70px;
  padding: 10px;
  font-size: 16px;
  font-weight: 600;
  border: 2px solid;
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
}

.rate-input.purchase {
  border-color: var(--purchase-color);
  background: var(--purchase-light);
}

.rate-input.sale {
  border-color: var(--sale-color);
  background: var(--sale-light);
}

.rate-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.delete-rate {
  background: linear-gradient(135deg, var(--danger-color), var(--danger-dark));
  color: white;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  font-size: 18px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-weight: bold;
  margin-right: 4px;
  transition: all var(--transition);
}

.delete-rate:hover {
  transform: scale(1.05);
}

.add-rate-plus {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius);
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  color: white;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.add-rate-plus.purchase {
  background: linear-gradient(135deg, var(--purchase-color), var(--purchase-dark));
}

.add-rate-plus.wholesale {
  background: linear-gradient(135deg, #9333ea, #7c3aed);
}

.add-rate-plus.sale {
  background: linear-gradient(135deg, var(--sale-color), var(--sale-dark));
}

.add-rate-plus:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow);
}

.add-rate-plus:active {
  transform: scale(0.95);
}