/* --- Pay2bViet Global Styles V1.2.0 --- */
.pay2b-wrapper {
    font-family: 'Montserrat', sans-serif;
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    position: relative;
    box-sizing: border-box;
}

/* Header Tabs */
.pay2b-header {
    display: flex;
    background: #333;
    color: #bbb;
    border-bottom: 5px solid #d4af37;
}

.pay2b-tab {
    flex: 1;
    padding: 20px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: default;
    background: rgba(0,0,0,0.2);
    transition: all 0.3s;
}

/* Tab Active State */
.pay2b-tab.active {
    background: #fff;
    color: #333;
}
.pay2b-tab.active .pay2b-step-num {
    background: #d4af37;
    color: #fff;
    border-color: #d4af37;
}

.pay2b-step-num {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 35px;
    height: 35px;
    border: 2px solid #666;
    border-radius: 50%;
    margin-right: 10px;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.pay2b-step-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.pay2b-step-label {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 600;
}

.pay2b-step-title {
    font-size: 14px;
    font-weight: 700;
}

/* Arrow Effect */
.pay2b-tab.active .pay2b-arrow {
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 0; 
    height: 0; 
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
    border-left: 20px solid #fff;
}

/* Form Body */
.pay2b-form {
    padding: 30px;
    background: #f9f9f9;
}

.pay2b-step-content {
    display: none;
    animation: pay2bFadeIn 0.5s;
}
.pay2b-step-content.active { display: block; }

@keyframes pay2bFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pay2b-section-title {
    font-size: 20px;
    color: #333;
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    font-weight: 700;
}

/* Inputs */
.pay2b-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}
.pay2b-col { 
    flex: 1; 
    min-width: 0; /* Fix flex issue with select */
}

.pay2b-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 13px;
    color: #555;
}

.pay2b-form input[type="text"],
.pay2b-form input[type="email"],
.pay2b-form input[type="tel"],
.pay2b-form select,
.pay2b-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    background: #fff;
    box-sizing: border-box;
    transition: border-color 0.3s;
    height: 45px; /* Cố định chiều cao để input và select bằng nhau */
    color: #333;
}

/* Fix hiển thị Dropdown Select */
.pay2b-form select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 15px top 50%;
    background-size: 10px auto;
    padding-right: 30px;
}

/* Đã bỏ icon nên bỏ padding trái của input */
.pay2b-input-icon input { padding-left: 12px; }

/* Buttons */
.pay2b-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    transition: transform 0.2s, background-color 0.2s;
    margin-top: 20px;
}
.pay2b-btn:hover { opacity: 0.9; }
.pay2b-btn:active { transform: scale(0.98); }

.pay2b-btn-next {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
}

.pay2b-btn-submit {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 4px solid rgba(0,0,0,0.2);
}

.pay2b-btn-main {
    font-size: 22px;
    font-weight: 800;
    text-transform: uppercase;
    line-height: 1.2;
}
.pay2b-btn-sub { font-size: 12px; opacity: 0.9; font-weight: 400; }

.pay2b-secure-text {
    text-align: center; font-size: 12px; color: #888; margin-top: 10px;
}

/* Product & Payment */
.pay2b-product-item {
    display: flex; align-items: center;
    background: #fff; border: 1px solid #eee;
    padding: 10px; margin-bottom: 20px; border-radius: 5px;
}
.pay2b-prod-img img { width: 60px; height: auto; border-radius: 4px; margin-right: 15px; }
.pay2b-prod-name { font-weight: 700; color: #333; }
.pay2b-prod-price { font-weight: 600; font-size: 16px; }

.pay2b-payment-methods {
    background: #fff; border: 1px solid #ddd; border-radius: 5px; padding: 15px;
}
.pay2b-gateway-option {
    margin-bottom: 10px; border-bottom: 1px solid #eee; padding-bottom: 10px;
}
.pay2b-gateway-option:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.pay2b-gateway-desc {
    background: #f8f8f8; padding: 10px; margin-top: 5px; font-size: 13px; border-radius: 4px; color: #666;
}

.pay2b-guarantee {
    text-align: center; margin-top: 15px; font-size: 13px; color: #555;
}

/* Mobile */
@media (max-width: 600px) {
    .pay2b-header { flex-direction: column; }
    .pay2b-tab.active .pay2b-arrow { display: none; }
    .pay2b-row { flex-direction: column; gap: 0; }
    .pay2b-col { margin-bottom: 15px; }
}