/* ═══════════════════════════════════════════════════════════════
   checkout.css — Checkout modal
   ═══════════════════════════════════════════════════════════════ */

#checkoutModal {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.5); z-index: 3000;
  padding: 20px; overflow-y: auto;
}
.co-box {
  background: var(--bg-surface); border-radius: 14px; color: var(--text-primary);
  width: min(640px, calc(100vw - 32px)); max-width: 100%; margin: 48px auto 20px;
  box-shadow: 0 24px 60px rgba(0,0,0,.22); overflow: hidden;
}
.co-header { padding: 18px 22px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; justify-content: space-between; background: var(--bg-surface); }
.co-header h2 { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 800; margin: 0; color: var(--text-primary); letter-spacing: 0; line-height: 1; }
.co-close { background: var(--bg-surface); border: 1px solid transparent; border-radius: 50%; font-size: 24px; cursor: pointer; color: var(--text-muted); padding:0; margin:0; width:36px; height:36px; line-height:32px; transition: color .15s, border-color .15s, background .15s; }
.co-close:hover { color: var(--text-primary); border-color: var(--border-color); background: var(--bg-surface-alt); }
#checkoutBody { padding: 18px 22px; max-height: 58vh; overflow-y: auto; overflow-x: hidden; }
.co-warning { background: var(--warning-bg, #fff8e1); border: 1px solid var(--warning-border, #ffe082); border-radius: 8px; padding: 10px 14px; font-size: 13px; margin-bottom: 14px; color: var(--text-secondary); }
.co-warning a { color: var(--text-primary); font-weight: 600; }
.co-addr { background: var(--bg-surface-alt); border-radius: 8px; padding: 11px 14px; font-size: 13px; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.45; }
.co-items { display: flex; flex-direction: column; gap: 0; margin-bottom: 0; }
.co-item { display: flex; align-items: center; gap: 10px; font-size: 13px; padding: 10px 0; border-bottom: 1px solid var(--border-color); }
.co-item:last-child { border-bottom: none; }
.co-item-img { width: 44px; height: 44px; border-radius: 6px; background: var(--skeleton-bg); overflow: hidden; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.3rem; }
.co-item-img img { width: 100%; height: 100%; object-fit: cover; }
.co-item-name { flex: 1; font-weight: 600; color: var(--text-primary); }
.co-item-qty  { color: var(--text-secondary); white-space: nowrap; }
.co-item-sub  { font-weight: 700; white-space: nowrap; min-width: 80px; text-align: right; }
.co-totals { border-top: 1px solid var(--border-color); margin-top: 10px; padding-top: 12px; display: flex; flex-direction: column; gap: 7px; }
.co-total-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-secondary); }
.co-grand { font-size: 16px; font-weight: 800; color: var(--text-primary); margin-top: 4px; }
.co-order-summary { width: 210px; margin-left: auto; background: var(--bg-surface-alt); border: 1px solid var(--border-color); border-radius: 8px; padding: 14px; }
.co-order-summary-title { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .8px; color: var(--text-muted); margin-bottom: 12px; }
.co-order-summary .co-totals { max-width: none; margin-left: 0; background: none; border: 0; border-radius: 0; padding: 0; }
.co-footer { padding: 14px 22px; border-top: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 8px; background: var(--bg-surface-alt); }
#checkoutMsg { font-size: 13px; text-align: center; min-height: 18px; }
#placeOrderBtn { padding: 12px; background: var(--accent-primary); color: var(--accent-inverted-text); border: none; border-radius: 10px; font-size: 15px; font-weight: 700; cursor: pointer; width: 100%; transition: background .2s; display: block; margin: 0; white-space: normal; line-height: 1.3; }
#placeOrderBtn:hover:not(:disabled) { background: var(--accent-hover); }
#placeOrderBtn:disabled { background: var(--text-muted); cursor: not-allowed; }

/* ── Responsive Checkout ── */
@media (max-width: 768px) {
  .co-box {
    width: 95%;
    margin: 40px auto 10px;
  }
  .co-header, #checkoutBody, .co-footer {
    padding: 15px;
  }
  .co-header h2 { font-size: 17px; }
  .co-order-summary { width: auto; margin-left: 0; }
  .co-item { flex-wrap: wrap; }
  .co-item-sub { text-align: left; margin-left: auto; }
}

/* ═══════════════════════════════════════════════════════════════
   Shipping Estimator — Courier Selection & Address Picker
   ═══════════════════════════════════════════════════════════════ */

/* ── Address Form (Editable) ── */
.co-addr-form {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.co-addr-form .co-section-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 12px;
}
.co-input-group {
  margin-bottom: 10px;
}
.co-input-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s;
}
.co-input-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
}
.co-input-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.co-input-row select {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s;
  color-scheme: dark;
}
.co-input-row select:focus {
  outline: none;
  border-color: var(--accent-primary);
}
.co-input-row select option {
  background-color: #1a1a1a;
  color: #ffffff;
}
.co-calc-btn {
  width: 100%;
  padding: 10px;
  background: var(--bg-surface);
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}
.co-calc-btn:hover {
  background: var(--accent-primary);
  color: var(--accent-inverted-text);
}

/* ── Shipping section ── */
.co-shipping-section {
  margin: 16px 0 4px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}
.co-shipping-section .co-section-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 10px;
}
.co-courier-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.co-courier-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-surface);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.co-courier-card:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-surface-alt);
}
.co-courier-card.selected {
  border-color: var(--accent-primary);
  background: var(--bg-surface-alt);
  box-shadow: 0 0 0 2px rgba(0,0,0,0.05);
}
.co-courier-card input[type="radio"] {
  accent-color: var(--accent-primary);
  width: 16px;
  height: 16px;
  margin: 0;
  flex-shrink: 0;
}
.co-courier-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: 1;
}
.co-courier-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.co-courier-fee {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}
.co-shipping-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  margin: 8px 0 0;
  font-style: italic;
  line-height: 1.4;
}
.co-shipping-unavailable {
  font-size: 13px;
  color: var(--warning, #ca8a04);
  background: var(--warning-bg, #fff8e1);
  border: 1px solid var(--warning-border, #ffe082);
  border-radius: 8px;
  padding: 10px 14px;
}

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  50% { transform: translateX(4px); }
  75% { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}