:root {
    --hb-slate: #666666;
    --hb-dark: #2D3748;
    --hb-cyan: #00BCD4;
    --hb-cyan-hover: #00ACC1;
    --hb-bg: #F8FAFC;
    --hb-white: #FFFFFF;
    --hb-border: #E2E8F0;
    --hb-radius: 8px;
}

body.silogrid-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--hb-bg);
    color: var(--hb-slate);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
}

/* Header & Navigation */
.silogrid-header {
    background: var(--hb-white);
    border-bottom: 1px solid var(--hb-border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--hb-slate);
    text-decoration: none !important;
    letter-spacing: -0.5px;
}

.brand-logo span {
    color: var(--hb-cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: var(--hb-slate);
    text-decoration: none !important;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--hb-cyan);
}

/* Global Cyan Primary Buttons */
.btn-solid,
.btn-primary,
.btn-success,
.btn-checkout,
#btnCheckout,
#btnCompleteOrder,
.view-cart-checkout-button,
input[type="submit"].btn-primary,
input[type="submit"].btn-success,
#order-standard_cart .btn-checkout,
#order-standard_cart a.btn-checkout,
#order-standard_cart .btn-success,
#order-standard_cart #btnCompleteOrder,
#order-standard_cart .btn-primary {
    background-color: var(--hb-cyan) !important;
    background-image: none !important;
    border-color: var(--hb-cyan) !important;
    color: #ffffff !important;
    padding: 10px 22px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease-in-out;
    text-decoration: none !important;
    display: inline-block;
    box-shadow: none !important;
}

.btn-solid:hover,
.btn-primary:hover,
.btn-success:hover,
.btn-checkout:hover,
#btnCheckout:hover,
#btnCompleteOrder:hover,
.view-cart-checkout-button:hover,
input[type="submit"].btn-primary:hover,
input[type="submit"].btn-success:hover,
#order-standard_cart .btn-checkout:hover,
#order-standard_cart a.btn-checkout:hover,
#order-standard_cart .btn-success:hover,
#order-standard_cart #btnCompleteOrder:hover,
#order-standard_cart .btn-primary:hover {
    background-color: var(--hb-cyan-hover) !important;
    border-color: var(--hb-cyan-hover) !important;
    color: #ffffff !important;
}

.btn-outline {
    border: 1px solid var(--hb-border);
    background: transparent;
    color: var(--hb-slate) !important;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none !important;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-outline:hover {
    background: #EDF2F7;
    color: var(--hb-dark) !important;
}

/* Secondary & Action Buttons (Empty Cart, Promo Code) */
.btn-default,
.btn-secondary,
.btn-info,
#btnEmptyCart,
.btn-empty-cart,
a.btn-empty-cart,
#order-standard_cart #btnEmptyCart,
#order-standard_cart .btn-empty-cart {
    background-color: var(--hb-slate) !important;
    background-image: none !important;
    border-color: var(--hb-slate) !important;
    color: #ffffff !important;
    border-radius: 6px;
}

.btn-default:hover,
.btn-secondary:hover,
.btn-info:hover,
#btnEmptyCart:hover,
.btn-empty-cart:hover,
#order-standard_cart #btnEmptyCart:hover,
#order-standard_cart .btn-empty-cart:hover {
    background-color: var(--hb-dark) !important;
    border-color: var(--hb-dark) !important;
}

/* Layout Wrapper */
.main-content-wrapper {
    min-height: calc(100vh - 180px);
    padding: 40px 0;
}

/* WHMCS General Content Override */
h1, h2, h3, h4, .headline {
    color: var(--hb-dark);
    font-weight: 700;
}

/* --- WHMCS Standard Cart Theme Overrides --- */

/* 1. Cart Table Headers */
#order-standard_cart .view-cart-items-header,
#order-standard_cart .cart-sidebar .panel-heading,
#order-standard_cart .panel-primary > .panel-heading,
#order-standard_cart thead th,
#order-standard_cart .table > thead > tr > th,
.view-cart-items-header,
.view-cart-items .header-title,
.cart-body table th,
.table-header {
    background-color: var(--hb-cyan) !important;
    background-image: none !important;
    border-color: var(--hb-cyan) !important;
    color: #ffffff !important;
}

/* 2. Order Summary Sidebar Container & Header */
#order-standard_cart .order-summary,
.order-summary {
    background-color: #ffffff !important;
    border: 1px solid var(--hb-border) !important;
    border-radius: var(--hb-radius) !important;
    color: var(--hb-dark) !important;
    overflow: hidden;
}

#order-standard_cart .order-summary .header,
#order-standard_cart .order-summary h2,
.order-summary .header,
.order-summary .panel-heading,
#order-standard_cart .order-summary .panel-secondary > .panel-heading {
    background-color: var(--hb-cyan) !important;
    background-image: none !important;
    border-color: var(--hb-cyan) !important;
    color: #ffffff !important;
    margin: 0 !important;
    padding: 12px 16px !important;
}

#order-standard_cart .order-summary .header *,
.order-summary .header *,
#order-standard_cart .order-summary h2 * {
    color: #ffffff !important;
}

/* Force Order Summary body content to dark slate */
#order-standard_cart .order-summary .subtotal,
#order-standard_cart .order-summary .totals,
#order-standard_cart .order-summary .total-due-today,
#order-standard_cart .order-summary .text-muted,
#order-standard_cart .order-summary a,
#order-standard_cart .order-summary span,
#order-standard_cart .order-summary div {
    color: var(--hb-dark) !important;
}

/* Highlight main total price in bold Cyan */
.order-summary .total-due-today .amt,
#totalDueToday {
    color: var(--hb-cyan) !important;
    font-weight: 700 !important;
}

/* 3. Ensure 'X' Remove Item Buttons are Clickable */
#order-standard_cart .btn-remove,
#order-standard_cart a.btn-remove,
#order-standard_cart .item-remove,
#order-standard_cart a[href*="a=remove"],
.view-cart-items .btn-remove {
    cursor: pointer !important;
    pointer-events: auto !important;
    position: relative !important;
    z-index: 10 !important;
    color: var(--hb-slate) !important;
    text-decoration: none !important;
}

#order-standard_cart .btn-remove:hover,
#order-standard_cart a[href*="a=remove"]:hover {
    color: #FF3B30 !important;
}

/* 4. Hide Unstyled Cart Sidebars Entirely */
#order-standard_cart .cart-sidebar,
#order-standard_cart .sidebar,
.cart-sidebar,
#secondary-sidebar,
div[menuitemname="Categories"],
div[menuitemname="Actions"],
.cart-sidebar-categories,
.cart-sidebar-actions,
#order-standard_cart .col-md-3,
#order-standard_cart .col-lg-3 {
    display: none !important;
}

/* 5. Force Cart Main Content to 100% Width */
#order-standard_cart .main-content,
#order-standard_cart .cart-body,
.view-cart-main-content,
#order-standard_cart .col-md-9,
#order-standard_cart .col-lg-9 {
    width: 100% !important;
    max-width: 100% !important;
    flex: 0 0 100% !important;
    left: 0 !important;
    right: 0 !important;
    padding: 0 !important;
}

/* 6. Form Controls & Inputs */
input[type="text"],
input[type="password"],
input[type="email"],
select,
textarea,
.form-control {
    border: 1px solid var(--hb-border) !important;
    border-radius: 6px !important;
    padding: 10px 14px !important;
    font-size: 14px !important;
    color: var(--hb-dark) !important;
    background-color: #ffffff !important;
    box-shadow: none !important;
    transition: border-color 0.2s ease-in-out;
}

input[type="text"]:focus,
select:focus,
.form-control:focus {
    border-color: var(--hb-cyan) !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.15) !important;
}

/* 7. Domain Configuration Containers & Cards */
.domain-config-container,
.field-container,
.card,
.panel {
    background: var(--hb-white);
    border: 1px solid var(--hb-border);
    border-radius: var(--hb-radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.domain-config-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--hb-cyan);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hb-border);
}

a[href*="cart.php?a=add"],
.domain-config-item a {
    color: var(--hb-cyan) !important;
    font-weight: 600;
    text-decoration: none !important;
}

a[href*="cart.php?a=add"]:hover {
    color: var(--hb-cyan-hover) !important;
    text-decoration: underline !important;
}

/* Footer Styling */
.silogrid-footer {
    background: var(--hb-white);
    border-top: 1px solid var(--hb-border);
    padding: 24px 0;
    font-size: 13px;
    color: var(--hb-slate);
}

.footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--hb-slate);
    text-decoration: none !important;
}

.footer-links a:hover {
    color: var(--hb-cyan);
}

@media(max-width: 768px) {
    .nav-links { display: none; }
    .footer-flex { flex-direction: column; gap: 12px; text-align: center; }
}