/* Make address selects match input style */
#city-select, #district-select, #ward-select {
  width: 100%;
  padding: 8px;
  border: 1px solid #e6e6e6;
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 1rem;
  background: #fff;
  box-sizing: border-box;
}
:root {
  --red: #b92222;
  --dark: #222;
  --light: #f6f6f6;
  --gray: #8a8a8a;
  --border: #e3e3e3;
  --radius: 8px;
  --shadow: 0 2px 6px rgba(0,0,0,0.04);
}

* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: var(--light);
  color: var(--dark);
  margin: 0;
}

/* Container chính */
.cart-container {
  width: 90%;
  max-width: 1200px;
  margin: 30px auto;
}

.cart-container h1 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 28px;
  font-weight: bold;
  color: var(--dark);
}

/* Nội dung giỏ hàng */
.cart-content {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

/* Danh sách sản phẩm */
.cart-items {
  flex: 2;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: #fff;
  box-shadow: var(--shadow);
}

.cart-header {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr 1fr 1fr 1fr;
  font-weight: bold;
  color: var(--dark);
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr 1fr 1fr 1fr;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}

.cart-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.item-image img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.item-info h3 {
  font-size: 16px;
  color: var(--dark);
  font-weight: 600;
}

.item-price,
.item-total {
  font-size: 14px;
  color: var(--red);
  font-weight: bold;
  text-align: center;
}

/* Thanh toán */
.cart-summary {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  background: #fff;
  box-shadow: var(--shadow);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 16px;
  color: var(--gray);
}

.summary-row span:last-child {
  font-weight: bold;
  color: var(--red);
}

/* Nút Mua hàng */
.checkout-button {
  text-align: center;
  margin-top: 20px;
}

.btn-buy {
  background-color: #ff5722;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-buy:hover {
  background-color: #e64a19;
}

/* Điều chỉnh số lượng */
.quantity-control {
  display: flex;
  align-items: center;
  justify-content: center;
}

.quantity-control input {
  width: 50px;
  text-align: center;
  margin-right: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px;
  font-size: 14px;
}

.quantity-control button {
  width: 30px;
  height: 30px;
  text-align: center;
  border: 1px solid var(--border);
  background: var(--light);
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  color: var(--dark);
  border-radius: var(--radius);
  transition: background 0.3s ease;
}

.quantity-control button:hover {
  background: #e9ecef;
}

/* Voucher */
.voucher-list {
  margin-top: 15px;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.voucher-list.hidden {
  display: none;
}

.voucher-list h4 {
  margin-bottom: 10px;
  font-size: 16px;
  color: var(--dark);
}

.voucher-list ul {
  list-style: none;
  padding: 0;
  margin: 0 0 15px 0;
}

.voucher-list ul li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.3s ease;
}

.voucher-list ul li:hover {
  background: #e9ecef;
  color: var(--dark);
}

.voucher-list ul li:last-child {
  border-bottom: none;
}

/* Ẩn form mặc định */
.hidden {
    display: none;
}

/* Form thẻ tín dụng và chuyển khoản */
#credit-card-form,
#bank-transfer-form {
    margin-top: 15px;
    padding: 20px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background: #f9f9f9;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#credit-card-form h4,
#bank-transfer-form h4 {
    margin-bottom: 15px;
    font-size: 18px;
    color: #333;
}

#credit-card-form input,
#bank-transfer-form input,
#bank-transfer-form select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
}

#credit-card-form input:focus,
#bank-transfer-form input:focus,
#bank-transfer-form select:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

/* Thông tin khách hàng */
.customer-info {
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background: #f9f9f9;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.customer-info h4 {
    margin-bottom: 15px;
    font-size: 18px;
    color: #333;
}

.customer-info label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: #555;
}

.customer-info input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
}

#map {
    width: 100%;
    height: 300px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

/* ===== PAYMENT TABS ===== */
.pay-tabs {
    display: flex;
    gap: 12px;
    margin: 10px 0 14px;
}

.pay-tab {
    flex: 1;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.22s ease;
    background: #fafafa;
}

.pay-tab:hover {
    border-color: #005BAA;
    background: #f0f6ff;
}

.pay-tab.active {
    border-color: #005BAA;
    background: #e8f0fe;
    box-shadow: 0 0 0 3px rgba(0,91,170,0.12);
}

.pay-tab img {
    height: 36px;
    object-fit: contain;
    display: block;
    margin: 0 auto 6px;
}

.pay-tab-label {
    font-size: 0.78rem;
    color: #555;
    margin-top: 4px;
}

.pay-info-box {
    margin-top: 12px;
    padding: 14px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.vnpay-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.bank-badge {
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.pay-secure-note {
    color: #27ae60;
    font-size: 0.82rem;
    margin: 0;
}

.btn-buy-loading {
    opacity: 0.7;
    cursor: not-allowed !important;
}

/* VNPay type selector */
.vnpay-select-label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    color: #333;
    margin-bottom: 8px;
    margin-top: 12px;
}

.vnpay-type-radios {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 10px;
}

.vnpay-type-option {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.82rem;
    transition: all 0.2s;
    background: #fff;
}

.vnpay-type-option:hover {
    border-color: #005BAA;
    background: #f0f6ff;
}

.vnpay-type-option input[type="radio"] {
    accent-color: #005BAA;
}

.vnpay-type-option i {
    font-size: 1.1rem;
    color: #005BAA;
}

#vnpay-bank-code,
#vnpay-wallet-code {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.9rem;
    background: #fff;
    margin-bottom: 10px;
}