body {
    font-family: 'Sarabun', sans-serif;
    background-color: #FFFFFF;
    color: #333333;
}
h1, h2, h3, h4, .heading, .title {
    font-family: 'Kanit', sans-serif !important;
}

img {
    max-width: 100%;
}

/* --- Bootstrap Variable Overrides --- */
:root {
    --bs-primary:    #2979ff;   /* น้ำเงินสด */
    --bs-secondary:  #5c6bc0;   /* น้ำเงินเทา */
    --bs-success:    #4caf50;
    --bs-info:       #03a9f4;
    --bs-warning:    #ffb300;
    --bs-danger:     #e53935;
    --bs-light:      #ffffff;
    --bs-dark:       #0d47a1;

    --bs-primary-rgb:    41, 121, 255;
    --bs-secondary-rgb:  92, 107, 192;
    --bs-success-rgb:    76, 175, 80;
    --bs-info-rgb:       3, 169, 244;
    --bs-warning-rgb:    255, 179, 0;
    --bs-danger-rgb:     229, 57, 53;
    --bs-light-rgb:      255, 255, 255;
    --bs-dark-rgb:       13, 71, 161;

    --bs-body-bg:        #ffffff;
    --bs-body-color:     #333333;
}

/* --- General Colors --- */
.text-primary       { color: var(--bs-primary) !important; }
.text-secondary     { color: var(--bs-secondary) !important; }
.bg-primary         { background-color: var(--bs-primary) !important; }
.bg-secondary       { background-color: var(--bs-secondary) !important; }
.bg-light           { background-color: var(--bs-light) !important; }
.bg-dark            { background-color: var(--bs-dark) !important; color: #ffffff; }
.bg_s1              { background-color: #1E3A8A; /* กรมเข้ม */ }

/* --- Buttons --- */
.btn-primary {
    background-color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
}
.btn-primary:hover {
    background-color: #1565c0 !important;
    border-color: #1565c0 !important;
    color: #ffffff !important;
}
.btn-secondary {
    background-color: var(--bs-secondary);
    border-color: var(--bs-secondary);
}
.btn-secondary:hover {
    background-color: #3949ab;
    border-color: #3949ab;
}
.btn-outline-primary {
    color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
}
.btn-outline-primary:hover {
    background: #1565c0 !important;
    border-color: #1565c0 !important;
    color: #ffffff !important;
}
.btn-success {
    background-color: var(--bs-success);
    border-color: var(--bs-success);
}
.btn-success:hover {
    background-color: #388e3c;
    border-color: #388e3c;
}

.btn-warning {
    background-color: var(--bs-warning);
    border-color: var(--bs-warning);
}
.btn-warning:hover {
    background-color: #ffa000;
    border-color: #ffa000;
}

.btn-danger {
    background-color: var(--bs-danger);
    border-color: var(--bs-danger);
}
.btn-danger:hover {
    background-color: #c62828;
    border-color: #c62828;
}

.btn-info {
    background-color: var(--bs-info);
    border-color: var(--bs-info);
}
.btn-info:hover {
    background-color: #0288d1;
    border-color: #0288d1;
}

.btn-light {
    background-color: var(--bs-light);
    border-color: var(--bs-light);
    color: #333;
}
.btn-light:hover {
    background-color: #f0f0f0;
    border-color: #f0f0f0;
}

.btn-dark {
    background-color: var(--bs-dark);
    border-color: var(--bs-dark);
}
.btn-dark:hover {
    background-color: #0b3c91;
    border-color: #0b3c91;
}

.text-success { color: var(--bs-success) !important; }
.text-warning { color: var(--bs-warning) !important; }
.text-danger  { color: var(--bs-danger) !important; }
.text-info    { color: var(--bs-info) !important; }
.text-light   { color: var(--bs-light) !important; }
.text-dark    { color: var(--bs-dark) !important; }

.bg-success { background-color: var(--bs-success) !important; }
.bg-warning { background-color: var(--bs-warning) !important; }
.bg-danger  { background-color: var(--bs-danger) !important; }
.bg-info    { background-color: var(--bs-info) !important; }
.bg-light   { background-color: var(--bs-light) !important; }
.bg-dark    { background-color: var(--bs-dark) !important; color: #fff; }

/* --- Cards & Containers --- */
.card {
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.1);
}

/* --- List Group --- */
.list-group-item {
    border: none !important;
}
.list-group-item:hover,
.list-group-item:focus,
.list-group-item:active {
    background-color: transparent !important;
    color: var(--bs-primary) !important;
}
.list-group-item.p-3 {
    border-top: 1px solid #eee !important;
    border-bottom: 1px solid #eee !important;
}
.list-group-item.p-3.last {
    border-bottom: none !important;
}

/* --- Collapse, Dropdown --- */
.collapse a:hover,
.collapse a:focus,
.collapse a:active,
.dropdown-item:hover,
.dropdown-item:focus,
.dropdown-item:active {
    color: var(--bs-primary) !important;
    background-color: transparent !important;
}

/* --- Domain Search Section --- */
.domain_search .form-group label {
    font-size: 16px;
    color: #555;
    margin-bottom: 8px;
    display: block;
}
.domain_search .form-control {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 20px;
    transition: border-color 0.3s ease-in-out;
}
.domain_search .form-control:focus {
    border-color: var(--bs-primary);
    outline: none;
}
.domain_search button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #1E3A8A;
    border: none;
    color: white;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}
.domain_search button[type="submit"]:hover {
    background-color: #2563EB;
}

/* --- Alerts --- */
.domain_search .alert-info {
    background-color: #e7f3fe;
    color: #31708f;
    border-left: 5px solid var(--bs-primary);
    padding: 15px;
    margin-top: 20px;
    font-size: 16px;
    border-radius: 4px;
}
.domain_search .alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 5px solid #1E3A8A;
}
.domain_search .alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 5px solid #dc3545;
}
.domain_search .alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 5px solid #FACC15;
}

/* --- Floating Cart Button --- */
#floating-cart-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #FACC15;
    color: white;
    border: 2px solid #ffffff;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
#floating-cart-button:hover {
    background-color: #d4aa00;
    transform: scale(1.05);
}
#floating-cart-button i {
    font-size: 20px;
}
#floating-cart-count {
    font-size: 12px;
    padding: 4px 6px;
}

/* --- Utility --- */
.heef_no_s {
    text-decoration: none;
}
.heef_no_s:hover {
    text-decoration: none;
}
.pad_t_0 {
    margin-top: 0px !important;
}

.credit-card-form {
    max-width: 450px;
    margin: 0 auto;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.credit-card-form h4 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.credit-card-form label {
    font-weight: 500;
    color: #555;
}

.credit-card-form input,
.credit-card-form select {
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 15px;
}

.credit-card-form input:focus,
.credit-card-form select:focus {
    border-color: #4CAF50;
    box-shadow: 0 0 0 0.15rem rgba(76, 175, 80, 0.25);
}

.credit-card-form .btn-success {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border-radius: 8px;
}

.credit-card-form .btn-secondary {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    font-size: 16px;
    border-radius: 8px;
}

.credit-card-form .row > div {
    padding-right: 5px;
    padding-left: 5px;
}

.credit-card-form .form-control::placeholder {
    color: #aaa;
}

.bg-gradient-primary.head_homep {
    background: linear-gradient(90deg, #1565c0, #2979ff);
}
.homep .navbar-brand, .nav-link {
    font-weight: 600;
}
.homep .btn-primary {
    background-color: #2979ff;
    border: none;
    border-radius: 12px;
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
.homep .btn-primary:hover {
    background-color: #1565c0;
    transform: translateY(-2px);
}
.homep .hover-scale {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.homep .hover-scale:hover {
    transform: scale(1.03);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.1);
}
.homep .small-red {
    font-size: 0.65rem;
    color: #ff1744;
    font-weight: 700;
    vertical-align: top;
    margin-left: 2px;
}
.homep .card-title {
    font-size: 1.2rem;
}
.homep header p.lead {
    font-weight: 400;
    font-size: 1.1rem;
}
.homep h5 {
    color: #1565c0;
}
.member_form .card {
    width: 100%;
    max-width: 400px;
    margin: auto;
}

.plan .plan-card {
    border-radius: 20px;
    background: linear-gradient(145deg, #ffffff, #f3f3f3);
    transition: all 0.3s ease;
}
.plan .plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}
.plan .plan-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
}
.plan .plan-price {
    font-size: 1.75rem;
    color: #28a745;
    font-weight: 800;
}
.plan .plan-feature {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: #444;
}
.plan .plan-feature i {
    margin-right: 6px;
}
.plan .btn-success {
    background-color: #28a745;
    border-radius: 50px;
    padding: 10px 20px;
    font-weight: 600;
    transition: background-color 0.3s;
}
.plan .btn-success:hover {
    background-color: #218838;
}

@media (max-width: 992px) {
    #floating-cart-button { display: flex; }
    .hid_992 { display: none; }
}