/* Cart & Checkout — loaded independently of restaurant theme
   Does not affect the customer menu design. */

/* Design tokens (style.css is replaced by theme; cart needs its own) */
:root {
  --surface: #ffffff;
  --surface-2: #f2f0ec;
  --bg: #f8f7f4;
  --border: #e8e4dc;
  --border-strong: #d0ccc4;
  --text-2: #5a5450;
  --text-muted: #9b9590;
  --primary-10: rgba(45, 106, 79, 0.10);
  --primary-20: rgba(45, 106, 79, 0.20);
  --accent-10: rgba(212, 168, 67, 0.10);
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 9999px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ════════════════════════════════════════════════════════
   CART OVERLAY & MODAL — Premium Checkout v3
   ════════════════════════════════════════════════════════ */
#cart-overlay.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9998;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}
#cart-overlay.overlay.active { display: flex; }

#cart-modal {
  background: var(--surface);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  width: 100%;
  max-width: 520px;
  max-height: 92dvh;
  display: flex;
  flex-direction: column;
  direction: rtl;
  animation: cart-slide-up 0.4s var(--ease-out);
  box-shadow: 0 -8px 40px rgba(0,0,0,0.18);
  overflow: hidden;
  font-family: 'Cairo', sans-serif;
  padding: 0;
}

@keyframes cart-slide-up {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@media (min-width: 768px) {
  #cart-overlay.overlay { align-items: center; padding: 20px; }
  #cart-overlay.overlay { align-items: center; padding: 20px; }
  #cart-modal {
    border-radius: var(--r-xl);
    max-height: 85dvh;
    animation: cart-scale-in 0.35s var(--ease-out);
  }
  @keyframes cart-scale-in {
    from { transform: scale(0.95) translateY(20px); opacity: 0; }
    to   { transform: scale(1) translateY(0); opacity: 1; }
  }
}

/* ── Modal Header ── */
.cart-modal-header {
  flex-shrink: 0;
  padding: 12px 20px 0;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
}

.cart-drag-handle {
  width: 36px;
  height: 4px;
  background: var(--border-strong);
  border-radius: var(--r-full);
  margin: 0 auto 12px;
  opacity: 0.6;
}

@media (min-width: 768px) {
  .cart-drag-handle { display: none; }
}

.cart-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  gap: 12px;
}

.cart-header-info { display: flex; flex-direction: column; gap: 2px; }

#cart-modal-title {
  font-family: 'Reem Kufi', 'Cairo', sans-serif;
  font-size: var(--text-lg);
  color: var(--text);
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
}

.cart-item-count {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 600;
}

.cart-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.15s;
  flex-shrink: 0;
}
.cart-close-btn:hover  { background: var(--border); }
.cart-close-btn:active { transform: scale(0.92); }

/* ── Progress Stepper ── */
#cart-modal .checkout-progress {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 16px 24px 12px;
  gap: 0;
  flex-shrink: 0;
  background: var(--surface);
}

#cart-modal .progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  min-width: 56px;
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 800;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 2px solid var(--border);
  transition: all 0.35s var(--ease-out);
  font-family: 'Cairo', sans-serif;
}

#cart-modal .progress-step.active .step-circle {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-20);
}

#cart-modal .progress-step.completed .step-circle {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

#cart-modal .progress-step.completed .step-circle span { display: none; }
#cart-modal .progress-step.completed .step-circle::after {
  content: '✓';
  font-size: 0.85rem;
}

.step-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color 0.3s;
}

#cart-modal .progress-step.active .step-label,
#cart-modal .progress-step.completed .step-label { color: var(--primary); }

#cart-modal .progress-connector {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin-top: 15px;
  min-width: 20px;
  max-width: 48px;
  border-radius: 1px;
  transition: background 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

#cart-modal .progress-connector.filled { background: var(--primary); }
#cart-modal .progress-connector.filled::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary);
  animation: connector-fill 0.4s var(--ease-out);
}

@keyframes connector-fill {
  from { transform: scaleX(0); transform-origin: right; }
  to   { transform: scaleX(1); }
}

/* ── Modal Body ── */
.cart-modal-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 16px 20px max(20px, calc(16px + var(--safe-bottom)));
}

.checkout-step {
  animation: step-fade-in 0.3s var(--ease-out);
}

@keyframes step-fade-in {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.step-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Reem Kufi', 'Cairo', sans-serif;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
}

.step-section-title svg { opacity: 0.7; flex-shrink: 0; }

/* ── Cart Items ── */
.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
  max-height: 42dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2px;
}

.cart-item-row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 4px 12px;
  padding: 14px 16px;
  background: var(--bg);
  border-radius: var(--r-md);
  border: 1.5px solid var(--border);
  transition: transform 0.2s, opacity 0.25s, box-shadow 0.2s;
  animation: item-enter 0.3s var(--ease-out);
}

@keyframes item-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cart-item-row.removing {
  opacity: 0;
  transform: translateX(20px) scale(0.95);
  pointer-events: none;
}

.cart-item-row.qty-updated {
  animation: qty-pulse 0.35s var(--ease-spring);
}

@keyframes qty-pulse {
  0%   { box-shadow: 0 0 0 0 var(--primary-20); }
  50%  { box-shadow: 0 0 0 6px transparent; border-color: var(--primary); }
  100% { box-shadow: none; }
}

.cart-item-name {
  grid-column: 1;
  grid-row: 1;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text);
  line-height: 1.4;
  align-self: center;
}

.cart-item-unit-price {
  grid-column: 1;
  grid-row: 2;
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 600;
}

.cart-qty-controls {
  grid-column: 2;
  grid-row: 1 / 3;
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  overflow: hidden;
  align-self: center;
}

.qty-btn {
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.1s;
  font-family: 'Cairo', sans-serif;
  -webkit-tap-highlight-color: transparent;
}
.qty-btn:hover  { background: var(--primary-10); }
.qty-btn:active { transform: scale(0.88); background: var(--primary-20); }

.cart-qty {
  min-width: 28px;
  text-align: center;
  font-weight: 800;
  font-size: var(--text-sm);
  color: var(--text);
  transition: transform 0.2s var(--ease-spring);
}
.cart-qty.bump { animation: qty-bump 0.3s var(--ease-spring); }

@keyframes qty-bump {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.35); color: var(--primary); }
  100% { transform: scale(1); }
}

.cart-item-subtotal {
  display: none;
}

.cart-item-footer {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.cart-item-subtotal-visible {
  font-weight: 800;
  font-size: var(--text-sm);
  color: var(--primary);
  font-family: 'Reem Kufi', 'Cairo', sans-serif;
}

.cart-remove {
  background: none;
  border: none;
  color: #dc2626;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  font-family: 'Cairo', sans-serif;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: background 0.15s, color 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.cart-remove:hover  { background: #fef2f2; }
.cart-remove:active { transform: scale(0.95); }

/* ── Empty Cart ── */
.empty-cart {
  text-align: center;
  padding: 40px 20px;
}

.empty-cart-icon {
  margin: 0 auto 16px;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  opacity: 0.5;
}

.empty-cart-title {
  font-family: 'Reem Kufi', 'Cairo', sans-serif;
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-2);
  margin-bottom: 6px;
}

.empty-cart-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Summary Card ── */
.cart-summary-card {
  background: linear-gradient(135deg, var(--primary-10), var(--accent-10));
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  margin-bottom: 16px;
  transition: transform 0.3s var(--ease-spring);
}

.cart-summary-card.total-updated {
  animation: summary-flash 0.4s var(--ease-out);
}

@keyframes summary-flash {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.02); border-color: var(--primary); }
  100% { transform: scale(1); }
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--text-2);
  padding: 4px 0;
}

.summary-row.summary-total {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1.5px solid var(--border);
  font-weight: 800;
  font-size: var(--text-md);
  color: var(--text);
}

.cart-total-amount {
  font-family: 'Reem Kufi', 'Cairo', sans-serif;
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--primary);
  transition: transform 0.2s var(--ease-spring);
}
.cart-total-amount.bump { animation: qty-bump 0.3s var(--ease-spring); }

/* ── Order Type ── */
#cart-modal .order-type-section { margin-bottom: 18px; }
#cart-modal .order-type-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-2);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

#cart-modal .order-type-btns { display: flex; gap: 10px; }

#cart-modal .type-btn {
  flex: 1;
  padding: 14px 12px;
  border: 2px solid var(--border-strong);
  border-radius: var(--r-md);
  background: var(--bg);
  color: var(--text-2);
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  font-family: 'Cairo', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  -webkit-tap-highlight-color: transparent;
}

.type-icon { font-size: 1.3rem; line-height: 1; }

#cart-modal .type-btn.selected {
  border-color: var(--primary);
  background: var(--primary-10);
  color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-20);
}

#cart-modal .type-btn:active { transform: scale(0.97); }

/* ── Customer Form ── */
#cart-modal .customer-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 4px;
}

#cart-modal .form-group { display: flex; flex-direction: column; gap: 6px; }

#cart-modal .form-group label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-2);
}

#cart-modal .form-group .required { color: #dc2626; }
#cart-modal .form-group .optional { color: var(--text-muted); font-weight: 500; }

#cart-modal .form-group input,
#cart-modal .form-group textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-md);
  font-family: 'Cairo', sans-serif;
  font-size: var(--text-base);
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#cart-modal .form-group input:focus,
#cart-modal .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-10);
  background: var(--surface);
}

#cart-modal .form-group input.input-error,
#cart-modal .form-group textarea.input-error {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220,38,38,0.12);
  animation: shake 0.4s var(--ease-out);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

#cart-modal .form-group textarea { resize: vertical; min-height: 80px; }

/* ── Order Summary Mini (Step 3) ── */
.order-summary-mini {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  margin-bottom: 18px;
}

.summary-mini-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text);
}

.summary-edit-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  font-family: 'Cairo', sans-serif;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  transition: background 0.15s;
}
.summary-edit-btn:hover { background: var(--primary-10); }

.summary-mini-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
  max-height: 120px;
  overflow-y: auto;
}

.summary-mini-item {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--text-2);
  gap: 8px;
}

.summary-mini-item-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.summary-mini-item-qty {
  color: var(--text-muted);
  font-weight: 600;
  flex-shrink: 0;
}

.summary-mini-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1.5px dashed var(--border);
  font-weight: 800;
  font-size: var(--text-sm);
  color: var(--text);
}

.summary-mini-total span:last-child {
  font-family: 'Reem Kufi', 'Cairo', sans-serif;
  font-size: var(--text-md);
  color: var(--primary);
}

/* ── Action Buttons ── */
#cart-modal .cart-action-btns {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#cart-modal .btn-send-order {
  padding: 15px 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: var(--text-md);
  font-weight: 700;
  cursor: pointer;
  font-family: 'Cairo', sans-serif;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 4px 16px var(--primary-20);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  -webkit-tap-highlight-color: transparent;
}

#cart-modal .btn-send-order:hover:not(:disabled) {
  box-shadow: 0 8px 24px var(--primary-20);
  transform: translateY(-1px);
}
#cart-modal .btn-send-order:active:not(:disabled) { transform: scale(0.97); }
#cart-modal .btn-send-order:disabled { opacity: 0.65; cursor: not-allowed; }

#cart-modal .btn-close-cart {
  padding: 13px;
  background: transparent;
  color: var(--text-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  font-family: 'Cairo', sans-serif;
  transition: background 0.15s, border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  -webkit-tap-highlight-color: transparent;
}
#cart-modal .btn-close-cart:hover  { background: var(--surface-2); border-color: var(--border-strong); }
#cart-modal .btn-close-cart:active { transform: scale(0.98); }

/* ── Payment Section ── */
#cart-modal .payment-section { direction: rtl; }

#cart-modal .payment-methods { display: flex; flex-direction: column; gap: 10px; }

#cart-modal .payment-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 2px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  position: relative;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
#cart-modal .payment-option input[type="radio"] { display: none; }
#cart-modal .payment-option:hover { border-color: var(--primary-20); background: var(--surface); }
#cart-modal .payment-option.selected {
  border-color: var(--primary);
  background: var(--primary-10);
  box-shadow: 0 4px 14px var(--primary-20);
}

.pm-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-sm);
}

.pm-info { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.pm-label { font-size: var(--text-sm); font-weight: 700; color: var(--text); }
.pm-desc  { font-size: var(--text-xs); color: var(--text-muted); font-weight: 500; }

.pm-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border);
  color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s var(--ease-out);
  flex-shrink: 0;
}
#cart-modal .payment-option.selected .pm-check {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px var(--primary-20);
}

/* ── Transfer Details ── */
.transfer-details { margin-top: 14px; animation: fadeDown 0.35s var(--ease-out); }

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.transfer-info-box {
  background: linear-gradient(160deg, #fef9f0 0%, #fffbf5 100%);
  border: 1.5px solid rgba(212,168,67,0.3);
  border-radius: var(--r-md);
  padding: 18px;
}

.transfer-step-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-10);
  padding: 3px 10px;
  border-radius: var(--r-full);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.transfer-step-text {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 10px;
}

.transfer-wallet-number {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--surface);
  padding: 12px 16px;
  border-radius: var(--r-sm);
  text-align: center;
  direction: ltr;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
  border: 1.5px dashed var(--primary-20);
}

.transfer-amount {
  font-size: var(--text-sm);
  color: var(--text-2);
  text-align: center;
  margin-bottom: 4px;
}
.transfer-amount strong {
  color: var(--primary);
  font-size: var(--text-md);
  font-family: 'Reem Kufi', 'Cairo', sans-serif;
}

.transfer-divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.transfer-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: var(--text-xs);
  color: #92400e;
  background: rgba(245,158,11,0.1);
  padding: 10px 12px;
  border-radius: var(--r-sm);
  margin-top: 12px;
  line-height: 1.55;
  border: 1px solid rgba(245,158,11,0.2);
}
.transfer-note svg { flex-shrink: 0; margin-top: 1px; }

.transfer-details input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--accent);
  border-radius: var(--r-sm);
  font-size: var(--text-base);
  text-align: center;
  direction: ltr;
  font-family: monospace, 'Cairo', sans-serif;
  background: var(--surface);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.transfer-details input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-10);
}
.transfer-details input::placeholder { font-family: 'Cairo', sans-serif; font-size: var(--text-xs); }

/* ════════════════════════════════════════════════════════