/* Luxury Cream & Gold Billing Screen Styles */
.billing-page-layout {
  display: grid;
  grid-template-columns: 1fr 490px;
  gap: 20px;
  height: calc(100vh - 120px);
  overflow: hidden;
}

/* LEFT — Bill Preview */
.bill-left-pane {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  overflow: hidden;
}

.bill-info-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  background-color: var(--bg-card);
  padding: 14px 20px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.bill-badge {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.bill-badge.highlight {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background-color: rgba(197, 155, 39, 0.1);
}

/* Bill Items Table */
.bill-items-table {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.bill-table-head {
  display: grid;
  grid-template-columns: 2fr 80px 90px 80px 90px;
  gap: 0;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 18px;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bill-table-body {
  flex: 1;
  overflow-y: auto;
}

.bill-table-row {
  display: grid;
  grid-template-columns: 2fr 80px 90px 80px 90px;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
  transition: background 0.15s;
}

.bill-table-row:hover { background-color: var(--bg-card-hover); }
.bill-table-row.complimentary { opacity: 0.6; font-style: italic; }

.item-veg-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.item-veg-dot.veg { background-color: var(--success); }
.item-veg-dot.nonveg { background-color: var(--danger); }

/* RIGHT — Totals & Payment Panel */
.bill-right-pane {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.bill-totals-section {
  padding: 22px;
  border-bottom: 1px solid var(--border-color);
  flex: 1;
  overflow-y: auto;
}

.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--border-color);
}

.total-row:last-child { border-bottom: none; }

.total-row.grand {
  font-size: 1.5rem;
  font-weight: 900;
  padding-top: 16px;
  color: var(--accent-gold);
}

.total-row .label { color: var(--text-muted); font-weight: 600; }
.total-row .amount { font-weight: 700; font-family: var(--font-mono); }
.total-row .discount-amt { color: var(--success); }
.total-row .gst-amt { color: var(--info); }

/* Discount Input Row */
.discount-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 10px 0;
}

.discount-input-row input, .discount-input-row select {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 9px 12px;
  border-radius: 10px;
  font-family: var(--font-main);
  outline: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.discount-input-row input:focus, .discount-input-row select:focus {
  border-color: var(--accent-gold);
}

.coupon-row {
  display: flex;
  gap: 8px;
  margin: 10px 0;
}

.coupon-row input {
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-weight: 800;
  outline: none;
  text-transform: uppercase;
}
.coupon-row input:focus { border-color: var(--accent-gold); }

.coupon-status {
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 4px;
  min-height: 16px;
}
.coupon-status.valid { color: var(--success); }
.coupon-status.invalid { color: var(--danger); }

/* Payment Section */
.bill-payment-section {
  padding: 22px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 14px;
  background-color: var(--bg-sidebar);
}

.payment-modes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.pay-mode-btn {
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  padding: 12px 8px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}

.pay-mode-btn:hover { border-color: var(--accent-gold); }

.pay-mode-btn.active {
  border-color: var(--accent-gold);
  background-color: rgba(197, 155, 39, 0.12);
  color: var(--accent-gold);
  font-weight: 800;
}

.amount-tendered-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.amount-tendered-row input {
  flex: 1;
  background-color: var(--bg-input);
  border: 2px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 1.15rem;
  font-weight: 800;
  font-family: var(--font-mono);
  outline: none;
}
.amount-tendered-row input:focus { border-color: var(--accent-gold); }

.change-display {
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success);
  padding: 12px 16px;
  border-radius: 12px;
  text-align: center;
  font-size: 0.82rem;
}
.change-display .change-amount {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--success);
  font-family: var(--font-mono);
}

.btn-print-bill {
  background-color: var(--accent-gold);
  color: #1C1917;
  border: none;
  padding: 16px;
  border-radius: 14px;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(197, 155, 39, 0.3);
}
.btn-print-bill:hover { background-color: var(--accent-gold-hover); transform: translateY(-1px); }
.btn-print-bill:active { transform: translateY(0); }