/* ================================================================
   Multi-Brand Checkout — PHP Rebuild Stylesheet
   ================================================================ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --brand-primary: #00d9a7;
    --brand-secondary: #22483f;
    --text: #1a1a2e;
    --text-light: #6b7280;
    --bg: #f3f4f6;
    --white: #ffffff;            /* card / elevated surface */
    --surface-2: #ffffff;        /* modal / popover */
    --heading: var(--brand-secondary);
    --border: #e5e7eb;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,.12);
    --transition: .2s ease;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    color-scheme: light;
}

/* ── Automatic dark mode (honours OS preference) ─────────────────────
   Keeps every brand's primary accent vivid; flips surfaces/text/borders.
   Brands can force light or dark by adding data-theme="light|dark" to <html>. */
@media (prefers-color-scheme: dark) {
    :root {
        --text: #e5e7eb;
        --text-light: #94a3b8;
        --bg: #0b1220;
        --white: #131a2a;          /* card surface */
        --surface-2: #1b2336;      /* modal / popover */
        --heading: #f1f5f9;        /* swapped from dark brand-secondary so it reads on dark bg */
        --border: #2a3346;
        --shadow: 0 1px 2px rgba(0,0,0,.6), 0 1px 1px rgba(0,0,0,.4);
        --shadow-md: 0 6px 18px rgba(0,0,0,.55);
        --shadow-lg: 0 14px 36px rgba(0,0,0,.6);
        color-scheme: dark;
    }
}
/* Manual overrides — let a brand force one or the other */
html[data-theme="light"] { color-scheme: light; }
html[data-theme="dark"] {
    --text: #e5e7eb; --text-light: #94a3b8;
    --bg: #0b1220; --white: #131a2a; --surface-2: #1b2336;
    --heading: #f1f5f9; --border: #2a3346;
    --shadow: 0 1px 2px rgba(0,0,0,.6), 0 1px 1px rgba(0,0,0,.4);
    --shadow-md: 0 6px 18px rgba(0,0,0,.55);
    --shadow-lg: 0 14px 36px rgba(0,0,0,.6);
    color-scheme: dark;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    /* 100dvh on supporting browsers (iOS Safari, modern Chrome/FF) so the layout
       doesn't jump as the URL bar collapses; fallback to 100vh elsewhere. */
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

a { color: var(--brand-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-secondary); }

img { max-width: 100%; height: auto; }
input, select, textarea, button { font-family: inherit; font-size: 1rem; }

/* ── Header ── */
.site-header {
    text-align: center;
    padding: 1.5rem 1rem 0.75rem;
}
.brand-logo {
    display: inline-block;
}
.brand-logo img {
    display: block;
    width: auto;
    height: 48px;
    max-width: min(280px, 45vw);
    max-height: 64px;
}
.brand-text { font-size: 1.5rem; font-weight: 700; color: var(--brand-secondary); }

/* ── Footer ── */
.site-footer {
    background: var(--brand-secondary);
    color: rgba(255,255,255,.7);
    padding: 1.5rem;
    margin-top: auto;
    font-size: .85rem;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: rgba(255,255,255,.7); }
.footer-links a:hover { color: var(--white); }

/* ── Main Content ── */
.main-content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
/* Stop a long unbroken string in any flex child from blowing the layout sideways
   (flex children default to min-width: auto = min-content width). */
.main-content > * { min-width: 0; max-width: 100%; }
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
}
.page-container > * { min-width: 0; max-width: 100%; }
/* Brand-injected custom widgets are user-controlled HTML — never let them push
   the page width past the viewport. */
.brand-widgets { text-align: center; padding: .5rem 1rem; max-width: 100%; overflow-wrap: anywhere; }
.brand-widgets img, .brand-widgets iframe, .brand-widgets video { max-width: 100%; height: auto; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .7rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}
.btn-primary {
    background: var(--brand-primary);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--brand-secondary);
    color: var(--white);
}
.btn-secondary {
    background: var(--brand-secondary);
    color: var(--white);
}
.btn-secondary:hover { opacity: .9; }
.btn-outline {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    background: transparent;
}
.btn-outline:hover {
    background: var(--brand-primary);
    color: var(--white);
}
.btn-block { width: 100%; justify-content: center; }
.btn-lg { padding: .9rem 2rem; font-size: 1.05rem; }
.btn-sm { padding: .45rem 1rem; font-size: .85rem; }

/* ── Alerts ── */
.alert {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: .95rem;
    border-left: 4px solid;
}
.alert-success { background: #ecfdf5; border-color: var(--success); color: #065f46; }
.alert-error   { background: #fef2f2; border-color: var(--error);   color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: var(--warning); color: #92400e; }
.alert-info    { background: #eff6ff; border-color: var(--info);    color: #1e40af; }
.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: .5;
    color: inherit;
}
.alert-close:hover { opacity: 1; }

/* ── Forms ── */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    margin-bottom: .35rem;
    font-weight: 600;
    font-size: .9rem;
    color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: .7rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0,217,167,.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.input-row { display: flex; gap: .75rem; }
.input-row input { flex: 1; }
.form-hint { color: var(--text-light); font-size: .9rem; margin-bottom: 1rem; }
.form-feedback { margin-top: .5rem; font-size: .875rem; }
.form-select {
    width: 100%;
    padding: .7rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    margin-bottom: .75rem;
}
.form-check input[type="checkbox"] {
    width: 18px; height: 18px; margin-top: 2px;
    accent-color: var(--brand-primary);
}
.form-checks { margin: 1.5rem 0; }
.form-section {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}
.form-section legend {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-secondary);
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: 1rem;
    padding: 0;
}

/* ── Stepper ── */
.checkout-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 0;
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .35rem;
}
.step-circle {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .85rem;
    color: var(--text-light);
    background: var(--white);
    transition: all var(--transition);
}
.step.active .step-circle {
    border-color: var(--brand-primary);
    background: var(--brand-primary);
    color: var(--white);
}
.step.completed .step-circle {
    border-color: var(--success);
    background: var(--success);
    color: var(--white);
}
.step-label { font-size: .75rem; color: var(--text-light); font-weight: 500; }
.step.active .step-label { color: var(--brand-primary); font-weight: 700; }
.step.completed .step-label { color: var(--success); }
.step-connector {
    width: 40px;
    height: 2px;
    background: var(--border);
    margin: 0 .25rem;
    margin-bottom: 1.25rem;
}
.step-connector.completed { background: var(--success); }

/* ── Home Page ── */
.hero-section {
    text-align: center;
    margin-bottom: 2rem;
}
.hero-section h1 {
    font-size: 2rem;
    color: var(--brand-secondary);
    margin-bottom: .5rem;
}
.hero-section p { color: var(--text-light); font-size: 1.1rem; }

.postcode-form {
    max-width: 500px;
    margin: 0 auto 2rem;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.address-results {
    max-width: 600px;
    margin: 0 auto;
}
.address-results h2 { margin-bottom: .5rem; color: var(--brand-secondary); }
.results-count { color: var(--text-light); font-size: .9rem; margin-bottom: 1rem; }

.address-list { display: flex; flex-direction: column; gap: .5rem; }
.address-card {
    display: flex;
    align-items: center;
    gap: .75rem;
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-align: left;
    font-size: .95rem;
    color: var(--text);
}
.address-card:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow);
}
.address-card .fa-location-dot { color: var(--brand-primary); }
.address-card span { flex: 1; }
.address-card .fa-chevron-right { color: var(--text-light); font-size: .8rem; }

.preorder-cta {
    text-align: center;
    margin-bottom: 1.5rem;
}
.preorder-cta p { color: var(--text-light); margin-bottom: .5rem; }

/* ── Products Page ── */
.products-header {
    text-align: center;
    margin-bottom: 2rem;
}
.products-header h1 { color: var(--brand-secondary); margin-bottom: .5rem; }
.selected-address { color: var(--text-light); }
.selected-address .fa-location-dot { color: var(--brand-primary); }
.selected-uprn { font-size: .78rem; color: var(--text-light); margin-top: .2rem; opacity: .6; }
.selected-uprn i { color: var(--brand-primary); margin-right: .2rem; font-size: .7rem; }
.change-link { font-size: .85rem; margin-left: .5rem; }

.product-type-toggle {
    display: inline-flex;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 1rem;
}
.toggle-btn {
    padding: .6rem 1.5rem;
    font-weight: 600;
    font-size: .9rem;
    color: var(--text-light);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: .5rem;
}
.toggle-btn:hover { color: var(--brand-primary); }
.toggle-btn.active {
    background: var(--brand-primary);
    color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
/* Centre 1-2 cards by constraining their max width */
.products-grid.grid-1 { grid-template-columns: 1fr; max-width: 400px; }
.products-grid.grid-2 { grid-template-columns: repeat(2, 1fr); max-width: 800px; }

.product-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
    position: relative;
}
.product-card:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.product-card.featured {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 1px var(--brand-primary);
}
.product-ribbon {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    background: var(--brand-primary);
    color: var(--white);
    font-size: .72rem;
    font-weight: 700;
    padding: .3rem .85rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: .75rem;
    align-self: flex-start;
}
.product-card-header h3 { font-size: 1.2rem; color: var(--brand-secondary); margin-bottom: .25rem; }
.product-desc { color: var(--text-light); font-size: .85rem; }

.product-speeds {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    margin: .75rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.speed { display: flex; flex-direction: column; align-items: center; flex: 1; }
.speed i { color: var(--brand-primary); margin-bottom: .25rem; }
.speed-value { font-size: 1.25rem; font-weight: 800; color: var(--brand-secondary); }
.speed-label { font-size: .75rem; color: var(--text-light); text-transform: uppercase; letter-spacing: .5px; }

.product-pricing { text-align: center; padding: 1rem 0; }
.price-main { display: flex; align-items: flex-start; justify-content: center; gap: 2px; }
.price-main .currency { font-size: 1.25rem; font-weight: 700; color: var(--brand-secondary); margin-top: 4px; }
.price-main .amount { font-size: 2.5rem; font-weight: 800; color: var(--brand-secondary); line-height: 1; }
.price-main .period { font-size: .85rem; color: var(--text-light); align-self: flex-end; margin-bottom: 4px; }
.price-vat { font-size: .8rem; color: var(--text-light); margin-top: .25rem; }
.price-setup { font-size: .85rem; color: var(--text-light); margin-top: .25rem; }
.price-setup.free { color: var(--success); font-weight: 600; }

.product-features { margin: .75rem 0; display: flex; flex-wrap: wrap; gap: .4rem .75rem; }
.product-features .feature-item {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .8rem;
    color: var(--text-light);
    white-space: nowrap;
}
/* Brand colour for ALL icons except tier keys */
.product-features i,
.product-card i:not(.tier-icon-gold):not(.tier-icon-silver):not(.tier-icon-bronze),
.speed i, .speed-guaranteed i, .speed-toggle i,
.meta-tag i, .promo-badge i, .price-setup i {
    color: var(--brand-primary);
}
.product-meta { display: flex; gap: .5rem; flex-wrap: wrap; margin: .75rem 0; }
.meta-tag {
    font-size: .75rem;
    padding: .25rem .6rem;
    background: var(--bg);
    border-radius: 20px;
    color: var(--text-light);
}

.no-products {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 600px;
    margin: 0 auto;
}
.no-products-icon { margin-bottom: 1.25rem; }
.no-products-icon i { font-size: 3.5rem; color: var(--text-light); }
.no-products h2 { margin-bottom: .75rem; color: var(--brand-secondary); font-size: 1.3rem; }
.no-products p { color: var(--text-light); margin-bottom: 1rem; line-height: 1.6; }
.no-products-actions { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.no-products-hint { font-size: .85rem; color: var(--text-light); }
.product-widgets { margin-top: 2rem; text-align: center; }

/* ── Checkout Page ── */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    align-items: start;
}
.order-summary-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    position: sticky;
    top: 1.5rem;
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
}
.order-summary-card h3 {
    font-size: 1.15rem;
    color: var(--brand-secondary);
    margin-bottom: 1.25rem;
    padding-bottom: .75rem;
    border-bottom: 2px solid var(--border);
}
.summary-address, .summary-product, .summary-total { margin-bottom: 1.25rem; }
.summary-address h4, .summary-product h4 {
    font-size: .85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: .5rem;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.summary-product .product-name {
    font-weight: 700;
    color: var(--brand-secondary);
    margin-bottom: .5rem;
}
.summary-line {
    display: flex;
    justify-content: space-between;
    padding: .35rem 0;
    font-size: .95rem;
}
.summary-line.total {
    font-weight: 700;
    font-size: 1.1rem;
    border-top: 2px solid var(--border);
    padding-top: .75rem;
    margin-top: .5rem;
    color: var(--brand-secondary);
}
.summary-line.free span:last-child { color: var(--success); font-weight: 600; }
.summary-line.promo { color: var(--success); }
.promo-line { font-size: .88rem; }
.promo-line .text-success { color: var(--success, #22c55e); font-weight: 600; }
.promo-line i { color: var(--brand-primary); margin-right: .2rem; }
.vat-note { font-size: .8rem; color: var(--text-light); margin-top: .25rem; }

/* Cart config options */
.summary-options h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; color: var(--text-light); margin-bottom: .5rem; }
.summary-option-line { display: flex; align-items: flex-start; gap: .4rem; padding: .25rem 0; font-size: .82rem; }
.option-check { color: var(--brand-primary); flex-shrink: 0; font-size: .7rem; margin-top: 2px; }
.option-detail { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.option-label { font-weight: 600; color: var(--brand-secondary); font-size: .78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }
.option-value { color: var(--text-light); font-size: .75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }
.option-price { font-size: .75rem; color: var(--brand-primary); font-weight: 600; white-space: nowrap; flex-shrink: 0; }
.bundle-config-options { padding-left: .5rem; margin-bottom: .25rem; }
.bundle-config-options .summary-option-line { padding: .15rem 0; }
.bundle-config-options .option-label { font-size: .72rem; max-width: 160px; }
.bundle-config-options .option-value { font-size: .68rem; max-width: 160px; }
.bundle-config-options .option-price { font-size: .68rem; }

/* Payment Options */
.payment-options { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.payment-option input { display: none; }
.payment-card {
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .35rem;
}
.payment-card i { font-size: 1.5rem; color: var(--text-light); }
.payment-card span { font-weight: 600; font-size: .95rem; }
.payment-card small { color: var(--text-light); font-size: .8rem; }
.payment-option input:checked + .payment-card {
    border-color: var(--brand-primary);
    background: rgba(0,217,167,.05);
}
.payment-option input:checked + .payment-card i { color: var(--brand-primary); }

/* Addon items */
.addon-item { margin-bottom: 1rem; }
.addon-item h4 { font-size: .95rem; margin-bottom: .5rem; color: var(--brand-secondary); }

/* ── Pre-order Page ── */
.preorder-header { text-align: center; margin-bottom: 2rem; }
.preorder-header h1 { color: var(--brand-secondary); }
.preorder-header p { color: var(--text-light); }
.preorder-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ── Success Card ── */
.success-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}
.success-card .fa-circle-check { font-size: 4rem; color: var(--success); margin-bottom: 1rem; }
.success-card h2 { color: var(--brand-secondary); margin-bottom: .75rem; }
.success-card p { color: var(--text-light); margin-bottom: 1.5rem; }
.success-card.large { padding: 4rem 2rem; max-width: 600px; }
.success-icon .fa-circle-check { font-size: 5rem; }
.success-message { font-size: 1.1rem; }

/* ── Error Page ── */
.page-error {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}
.error-card {
    text-align: center;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.error-card h1 { font-size: 4rem; color: var(--brand-primary); margin-bottom: .5rem; }
.error-card p { color: var(--text-light); margin-bottom: 1.5rem; }

/* ── Utility ── */
.hidden { display: none !important; }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-info { color: var(--info); }
.text-warning { color: var(--warning); }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}
@media (max-width: 768px) {
    /* Tighter padding on phones so content isn't shoved away from the edges */
    .page-container { padding: 1rem .9rem 1.5rem; }
    .search-card { padding: 1.25rem 1rem; }
    .site-header {
        position: sticky; top: 0; z-index: 100;
        background: var(--white);
        box-shadow: 0 1px 4px rgba(0,0,0,.08);
        padding: 0.75rem 1rem;
    }
    .brand-logo img { max-width: min(200px, 50vw); max-height: 44px; }
    .checkout-layout { grid-template-columns: 1fr; }
    .checkout-summary-col { order: -1; }
    .order-summary-card { position: static; max-height: none; overflow-y: visible; }
    .form-row { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr !important; max-width: 100% !important; }
    .payment-options { grid-template-columns: 1fr; }
    .hero-section h1 { font-size: 1.5rem; }
    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { flex-direction: column; gap: .5rem; }
    .step-label { font-size: .65rem; }
    .step-connector { width: 20px; }
    .input-row { flex-direction: column; }

    /* ── Touch targets ≥ 44px for primary interactive elements ── */
    .btn, .btn-search, .network-btn, .toggle-btn, .form-input, .form-select,
    .search-input-wrap input { min-height: 44px; }
    .sr-opt { min-height: 44px; padding: .65rem .5rem; }

    /* ── Sticky bottom CTA bar on checkout steps ── */
    .checkout-nav {
        position: sticky;
        bottom: 0;
        margin-left: -.9rem;          /* bleed to viewport edges (matches .page-container mobile padding) */
        margin-right: -.9rem;
        margin-top: 1rem;
        padding: .75rem .9rem calc(.75rem + env(safe-area-inset-bottom)) .9rem;
        background: rgba(255,255,255,.96);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border-top: 1px solid var(--border);
        box-shadow: 0 -4px 18px rgba(15,23,42,.06);
        z-index: 50;
        gap: .6rem;
    }
    .checkout-nav .btn { flex: 1; justify-content: center; }
    .checkout-nav .btn-outline { flex: 0 0 auto; padding-left: 1rem; padding-right: 1rem; }
    /* Stop the sticky bar from sitting on top of the last bit of form content. */
    .checkout-form-col, .checkout-layout > form { padding-bottom: .5rem; }

    /* ── Collapsible order summary on mobile ── */
    .checkout-summary-col { order: -1; margin-bottom: 1rem; }
    .order-summary-card { position: relative; padding-top: 0 !important; }
    .order-summary-card h3 {
        cursor: pointer; user-select: none;
        display: flex; justify-content: space-between; align-items: center;
        padding: .9rem 1rem; margin: 0 -1rem;
        font-size: .95rem;
        min-height: 44px;
        position: relative;
    }
    .order-summary-card h3::after {
        content: '\f078'; /* fa-chevron-down */
        font-family: 'Font Awesome 6 Free'; font-weight: 900;
        font-size: .75rem; color: var(--text-light);
        margin-left: auto;
        transition: transform .2s;
    }
    .order-summary-card.collapsed h3::after { transform: rotate(-90deg); }
    .order-summary-card h3 .summary-mobile-total {
        font-size: .85rem; font-weight: 700; color: var(--brand-primary);
        margin-left: auto; margin-right: .5rem;
    }
    .order-summary-card.collapsed > *:not(h3) { display: none; }
    /* Keep totals visible in the collapsed header instead of just the title */
    .order-summary-card.collapsed h3 .order-summary-title-text { display: none; }
    .order-summary-card.collapsed h3 .summary-mobile-total { display: inline-block; }

    /* iOS notch safe-area on the page bottom so content can scroll clear of the home bar */
    .main-content { padding-bottom: env(safe-area-inset-bottom); }
}

/* Pre-mobile defaults: hide the mobile-only total display so it doesn't leak on desktop */
.order-summary-card h3 .summary-mobile-total { display: none; }

/* Checkout navigation */
.checkout-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 1.5rem; padding-top: 1rem; }
.checkout-layout { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; align-items: start; max-width: 1200px; margin: 0 auto; }

/* Review page */
.review-section { padding: 1rem 0; border-bottom: 1px solid var(--border); position: relative; }
.review-section:last-child { border-bottom: none; }
.review-section h4 { font-size: .8rem; color: var(--text-light); text-transform: uppercase; letter-spacing: .5px; margin-bottom: .35rem; display: flex; align-items: center; gap: .35rem; }
.review-section h4 i { color: var(--brand-primary); }
.review-value { font-weight: 600; color: var(--brand-secondary); margin-bottom: .15rem; }
.review-sub { font-size: .88rem; color: var(--text-light); }
.review-price { font-size: .85rem; color: var(--text-light); font-weight: 400; margin-left: .5rem; }
.review-edit { position: absolute; top: 1rem; right: 0; font-size: .82rem; color: var(--brand-primary); text-decoration: none; font-weight: 600; }
.review-edit:hover { text-decoration: underline; }

/* Checkout card shared styles */
.checkout-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); margin-bottom: 1rem; overflow: hidden; }
.checkout-card-header { display: flex; align-items: center; gap: .75rem; padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); background: var(--bg); }
.card-step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--brand-primary); color: var(--white); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem; flex-shrink: 0; }
.checkout-card-header h2 { font-size: 1.05rem; color: var(--brand-secondary); margin: 0; }
.checkout-card-body { padding: 1.5rem; }


/* ── Dark mode overrides ─────────────────────────────────────────────
   Headings + key labels in style.css default to var(--brand-secondary),
   which is a per-brand dark colour — invisible on dark backgrounds. These
   rules match the same selectors but inside the dark media query, source-
   ordered after the originals so they win the cascade naturally. */
@media (prefers-color-scheme: dark) {
    a:hover { color: var(--brand-primary); }
    .brand-text,
    .product-card-header h3,
    .products-header h1,
    .address-results h2,
    .speed-value,
    .price-main .currency,
    .price-main .amount,
    .no-products h2,
    .option-label,
    .addon-item h4,
    .preorder-header h1,
    .success-card h2,
    .review-value,
    .checkout-card-header h2 { color: var(--heading); }
    /* Form inputs need their backgrounds explicitly flipped too — they often
       inherit body background which works, but native-styled checkboxes/radios
       benefit from color-scheme:dark on the body (already set). */
    .form-input, .form-select, .form-textarea, input[type="text"], input[type="email"],
    input[type="tel"], input[type="password"], textarea, select {
        background: var(--white); color: var(--text); border-color: var(--border);
    }
    .form-input::placeholder, textarea::placeholder { color: var(--text-light); opacity: .7; }
    /* Sticky CTA bar — frosted-glass background needs a dark tint */
    .checkout-nav { background: rgba(19,26,42,.94); }
}
html[data-theme="dark"] {
    a:hover { color: var(--brand-primary); }
}
html[data-theme="dark"] .brand-text,
html[data-theme="dark"] .product-card-header h3,
html[data-theme="dark"] .products-header h1,
html[data-theme="dark"] .address-results h2,
html[data-theme="dark"] .speed-value,
html[data-theme="dark"] .price-main .currency,
html[data-theme="dark"] .price-main .amount,
html[data-theme="dark"] .no-products h2,
html[data-theme="dark"] .option-label,
html[data-theme="dark"] .addon-item h4,
html[data-theme="dark"] .preorder-header h1,
html[data-theme="dark"] .success-card h2,
html[data-theme="dark"] .review-value,
html[data-theme="dark"] .checkout-card-header h2 { color: var(--heading); }
html[data-theme="dark"] .checkout-nav { background: rgba(19,26,42,.94); }


/* ════════════════════════════════════════════════════════════════════════
   Dark-mode sweep — covers every inline-styled component used elsewhere
   (speed recommender, mobile fallback cards, config cards, OTS banner,
   bundle rows, alerts, type notices). Each rule restates the selector with
   dark-appropriate colours so it wins source order over the originals.
   ════════════════════════════════════════════════════════════════════════ */
@media (prefers-color-scheme: dark) {
    :root {
        /* Bump text-light for better contrast on dark surfaces */
        --text-light: #b6c2d4;
    }

    /* Fix the dark-green-on-dark contrast bug seen on .type-notice */
    .type-notice {
        background: rgba(0,217,167,.08);
        color: var(--heading);
        border: 1px solid rgba(0,217,167,.22);
    }

    .selected-address, .selected-uprn { color: var(--text-light); }

    /* Alerts — dark-tinted backgrounds instead of bright pastels */
    .alert-success { background: rgba(16,185,129,.12); color: #6ee7b7; }
    .alert-error   { background: rgba(239,68,68,.12);  color: #fca5a5; }
    .alert-warning { background: rgba(245,158,11,.12); color: #fbbf24; }
    .alert-info    { background: rgba(59,130,246,.12); color: #93c5fd; }

    /* Address picker + search card */
    .address-card { background: var(--white); border-color: var(--border); color: var(--text); }
    .address-card:hover { background: rgba(0,217,167,.08); border-color: var(--brand-primary); }
    .search-card { background: var(--white); }
    .customer-type-toggle { background: var(--bg); }
    .type-btn { color: var(--text-light); }
    .type-btn:hover { color: var(--text); }
    .type-btn.active { background: var(--white); color: var(--heading); }
    .search-input-wrap input { background: var(--white); color: var(--text); border-color: var(--border); }
    .search-input-wrap input::placeholder { color: var(--text-light); opacity: .6; }
    .search-hint { color: var(--text-light); }
    .hero-section h1 { color: var(--heading); }

    /* Product-type toggle bar + network filter */
    .product-type-toggle { background: var(--bg); }
    .toggle-btn { color: var(--text-light); }
    .toggle-btn.active { background: var(--white); color: var(--heading); }
    .network-btn { background: var(--white); color: var(--text); border-color: var(--border); }
    .network-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }

    /* OTS promo banner (home) */
    .ots-promo-banner {
        background: linear-gradient(135deg, rgba(0,217,167,.12), rgba(0,217,167,.04));
        border-color: rgba(0,217,167,.28);
    }
    .ots-promo-text strong { color: var(--heading); }
    .ots-promo-text span   { color: var(--text-light); }

    /* Speed recommender */
    .speed-recommender { background: var(--white); border-color: var(--border); }
    .sr-toggle:hover { background: rgba(0,217,167,.06); }
    .sr-toggle-text strong { color: var(--text); }
    .sr-toggle-text span   { color: var(--text-light); }
    .sr-icon-badge { background: linear-gradient(135deg, rgba(0,217,167,.22), rgba(0,217,167,.10)); color: var(--brand-primary); }
    .sr-panel { background: linear-gradient(180deg, rgba(0,217,167,.04) 0%, transparent 220px); border-top-color: rgba(0,217,167,.18); }
    .sr-row { border-top-color: rgba(255,255,255,.05); }
    .sr-row-label strong { color: var(--text); }
    .sr-row-label span   { color: var(--text-light); }
    .sr-q-icon { background: rgba(0,217,167,.14); color: var(--brand-primary); }
    .sr-opt { background: var(--white); color: var(--text); border-color: var(--border); }
    .sr-opt:hover { background: rgba(0,217,167,.08); border-color: var(--brand-primary); color: #6ee7b7; }
    .sr-checks { background: rgba(255,255,255,.03); }
    .sr-result {
        background: linear-gradient(var(--white), var(--white)) padding-box,
                    linear-gradient(135deg, #00d9a7 0%, #00b389 100%) border-box;
        box-shadow: 0 8px 28px rgba(0,217,167,.18);
    }
    .sr-result-label { color: #6ee7b7; }
    .sr-result-label::before { background: #00d9a7; box-shadow: 0 0 0 3px rgba(0,217,167,.32); }
    .sr-result-speed { color: var(--text); }
    .sr-result-speed small { color: var(--text-light); -webkit-text-fill-color: var(--text-light); }
    .sr-result-speed .sr-sep { color: rgba(230,230,230,.18); -webkit-text-fill-color: rgba(230,230,230,.18); }
    .sr-result-note { color: var(--text-light); }
    .product-card.sr-recommended { box-shadow: 0 0 0 6px rgba(0,217,167,.18), 0 12px 32px rgba(0,217,167,.32); }

    /* Mobile broadband fallback */
    .mobile-fallback-banner {
        background: linear-gradient(135deg, rgba(0,217,167,.10) 0%, rgba(99,102,241,.08) 100%);
        border-color: rgba(0,217,167,.22);
    }
    .mobile-fallback-text h2 { color: var(--text); }
    .mobile-fallback-text p  { color: var(--text-light); }
    .mobile-package-card { background: var(--white); border-color: var(--border); box-shadow: 0 2px 8px rgba(0,0,0,.4); }
    .mobile-package-card:hover { border-color: var(--brand-primary); box-shadow: 0 8px 24px rgba(0,217,167,.18); }
    .mobile-package-img { background: rgba(255,255,255,.04); }
    .mobile-package-img-placeholder { color: rgba(255,255,255,.18); }
    .mobile-package-network { color: var(--brand-primary); }
    .mobile-package-body h3 { color: var(--text); }
    .mobile-package-desc { color: var(--text-light); }
    .mobile-package-specs { color: var(--text); border-color: var(--border); }
    .mobile-package-features li { color: var(--text); }
    .mobile-package-price strong { color: var(--text); }
    .mobile-package-price small  { color: var(--text-light); }
    .mobile-package-setup { color: var(--text-light); }

    /* Config-option value cards (router selection etc.) */
    .config-card-inner { background: var(--white); border-color: var(--border); }
    .config-card:hover .config-card-inner { background: rgba(0,217,167,.06); border-color: var(--brand-primary); }
    .config-card-radio:checked + .config-card-inner { background: rgba(0,217,167,.10); border-color: var(--brand-primary); box-shadow: 0 4px 16px rgba(0,217,167,.22); }
    .config-card-img { background: rgba(255,255,255,.04); }
    .config-card-img-placeholder { color: rgba(255,255,255,.18); }
    .config-card-title { color: var(--text); }
    .config-card-desc  { color: var(--text-light); }
    .config-card-features li { color: var(--text); }

    /* Bundle group / row (addons page) */
    .bundle-group-header h3 { color: var(--text); }
    .bundle-group-desc { color: var(--text-light); }
    .bundle-row { background: var(--white); border-color: var(--border); color: var(--text); }
    .bundle-row:hover { border-color: var(--brand-primary); }
    .bundle-row-desc { color: var(--text-light); }
    .bundle-config-hint { color: var(--text-light); }
    .bundle-row-price { color: var(--text); }
    .bundle-price-setup { color: var(--text-light); }

    /* Checkout cards / review */
    .checkout-card { background: var(--white); border-color: var(--border); }
    .checkout-card-header { border-bottom-color: var(--border); }
    .review-section { border-bottom-color: var(--border); }
    .review-section h4 { color: var(--text-light); }

    /* Order summary card */
    .order-summary-card { background: var(--white); border-color: var(--border); color: var(--text); }
    .summary-section { border-bottom-color: var(--border); }
    .summary-line, .summary-line.total { color: var(--text); }
    .vat-note { color: var(--text-light); }

    /* Form helper text + hints */
    .form-hint { color: var(--text-light); }
}

/* Manual-override mirrors (html[data-theme="dark"]) */
html[data-theme="dark"] .type-notice { background: rgba(0,217,167,.08); color: var(--heading); border: 1px solid rgba(0,217,167,.22); }
html[data-theme="dark"] .alert-success { background: rgba(16,185,129,.12); color: #6ee7b7; }
html[data-theme="dark"] .alert-error   { background: rgba(239,68,68,.12);  color: #fca5a5; }
html[data-theme="dark"] .alert-warning { background: rgba(245,158,11,.12); color: #fbbf24; }
html[data-theme="dark"] .alert-info    { background: rgba(59,130,246,.12); color: #93c5fd; }
html[data-theme="dark"] .address-card,
html[data-theme="dark"] .search-card,
html[data-theme="dark"] .speed-recommender,
html[data-theme="dark"] .sr-opt,
html[data-theme="dark"] .mobile-package-card,
html[data-theme="dark"] .config-card-inner,
html[data-theme="dark"] .bundle-row,
html[data-theme="dark"] .checkout-card,
html[data-theme="dark"] .order-summary-card { background: var(--white); border-color: var(--border); color: var(--text); }
