:root {
    --color-primary: #0f4c81;
    --color-primary-dark: #0a3457;
    --color-accent: #f5a623;
    --color-ink: #1d2939;
    --color-muted: #667085;
    --color-bg: #f7f5f1;
    --color-card: #ffffff;
    --color-danger: #b42318;
    --color-success: #067647;
    --shadow-card: 0 10px 30px rgba(15, 76, 129, 0.08);
    --shadow-card-hover: 0 18px 45px rgba(15, 76, 129, 0.18);
    --radius-lg: 18px;
    --radius-md: 12px;
}

html { font-size: 16px; position: relative; min-height: 100%; }

body {
    margin: 0 0 60px;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.55;
}

h1, h2, h3, h4, h5, .display-heading {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--color-primary-dark);
    letter-spacing: -0.01em;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

/* Header / nav */
.site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(140%) blur(8px);
    border-bottom: 1px solid rgba(15, 76, 129, 0.08);
    position: sticky; top: 0; z-index: 50;
    box-shadow: none;
}
.navbar { padding: 0.85rem 0; }
.navbar-brand { display: flex; align-items: center; gap: 0.55rem; font-weight: 600; }
.brand-mark {
    display: inline-flex; width: 38px; height: 38px; border-radius: 50%;
    align-items: center; justify-content: center;
    background: var(--color-primary); color: #fff;
    font-size: 1rem; font-weight: 700;
}
.brand-text { font-family: 'Playfair Display', Georgia, serif; font-size: 1.3rem; color: var(--color-primary-dark); }
.nav-link { color: var(--color-ink) !important; font-weight: 500; padding: 0.5rem 0.9rem !important; }
.nav-link:hover { color: var(--color-primary) !important; }

/* Main */
main { padding: 2.5rem 0; }

/* Cards */
.card {
    background: var(--color-card);
    border: 1px solid rgba(15, 76, 129, 0.05);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}
.card-body { padding: 1.5rem 1.6rem; }
.card-title {
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    margin-bottom: 1rem;
}

/* Order summary list */
dl.row dt {
    font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--color-muted); font-weight: 600;
    padding-top: 0.55rem;
}
dl.row dd {
    color: var(--color-ink);
    padding-top: 0.55rem;
    border-bottom: 1px dashed rgba(15, 76, 129, 0.12);
    padding-bottom: 0.55rem;
}
dl.row dd:last-of-type, dl.row dt:last-of-type ~ dd:last-child {
    border-bottom: 0;
}

/* Eyebrow labels */
.text-uppercase.text-muted.small {
    font-size: 0.72rem !important;
    letter-spacing: 0.12em;
    color: var(--color-muted) !important;
    font-weight: 600;
}

/* Wallet item row */
.wallet-list { padding: 0; margin: 0 0 1.25rem; }
.wallet-list .list-group-item {
    border: 1px solid rgba(15, 76, 129, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    padding: 1rem 1.15rem;
    background: #fff;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.wallet-list .list-group-item:hover {
    box-shadow: 0 6px 18px rgba(15, 76, 129, 0.08);
    transform: translateY(-1px);
}
.wallet-list .list-group-item:last-child { margin-bottom: 0; }
.wallet-card-brand { font-weight: 600; color: var(--color-primary-dark); }
.wallet-card-number { font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace; color: var(--color-ink); }
.wallet-card-meta { color: var(--color-muted); font-size: 0.85rem; }

/* Action buttons on wallet rows */
.wallet-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.6rem;
}
@media (min-width: 768px) {
    .wallet-actions { margin-top: 0; }
}
.wallet-actions .btn-action {
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.92rem;
    line-height: 1.2;
    border: 1px solid transparent;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.wallet-actions .btn-action:hover { transform: translateY(-1px); }

.btn-action.btn-pay {
    background: var(--color-primary);
    color: #fff;
}
.btn-action.btn-pay:hover { background: var(--color-primary-dark); color: #fff; }

.btn-action.btn-edit {
    background: #fff;
    color: var(--color-primary);
    border-color: rgba(15, 76, 129, 0.25);
}
.btn-action.btn-edit:hover {
    background: rgba(15, 76, 129, 0.06);
    color: var(--color-primary-dark);
    border-color: rgba(15, 76, 129, 0.45);
}

.btn-action.btn-remove {
    background: #fff;
    color: var(--color-danger);
    border-color: rgba(180, 35, 24, 0.25);
}
.btn-action.btn-remove:hover {
    background: rgba(180, 35, 24, 0.06);
    color: var(--color-danger);
    border-color: rgba(180, 35, 24, 0.45);
}

/* Express checkout buttons */
.express-checkout-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}
.express-btn,
.express-btn-slot {
    height: 44px;
    width: 240px;
    border-radius: 8px;
}
.express-btn {
    padding: 0.75rem 1.1rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}
.express-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12); }

.express-btn-apple {
    background-color: #000;
    color: #fff;
    border: none;
}
.express-btn-apple:hover { background-color: #1a1a1a; color: #fff; }

/* New-card toggle */
.toggle-new-card {
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
    border: 1px dashed rgba(15, 76, 129, 0.35);
    background: rgba(15, 76, 129, 0.03);
    color: var(--color-primary);
    font-weight: 600;
    transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.toggle-new-card:hover {
    background: rgba(15, 76, 129, 0.08);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}
.toggle-new-card[aria-expanded="true"] {
    background: rgba(15, 76, 129, 0.08);
    border-style: solid;
    border-color: var(--color-primary);
}

/* Pay submit button */
.btn-pay-submit {
    background: var(--color-primary);
    color: #fff;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 0;
    transition: background 0.18s ease, transform 0.18s ease;
}
.btn-pay-submit:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); }

/* Forms */
.form-control, .form-control:focus {
    border-radius: 10px;
    border-color: rgba(15, 76, 129, 0.18);
}
.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.18rem rgba(15, 76, 129, 0.15);
}
.form-label { font-weight: 500; color: var(--color-ink); font-size: 0.9rem; }

/* Alerts */
.alert-danger {
    background: #fdecec;
    border-color: rgba(180, 35, 24, 0.2);
    color: var(--color-danger);
    border-radius: var(--radius-md);
}

/* Footer */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: 1.6rem 0;
    margin-top: 4rem;
    border: 0;
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--color-accent); }

/* Misc */
.btn:focus, .btn:active:focus, .form-control:focus {
    box-shadow: 0 0 0 0.18rem rgba(15, 76, 129, 0.18);
}

@media (max-width: 575px) {
    main { padding: 1.5rem 0; }
    .card-body { padding: 1.2rem; }
}