/* Billing checkout — tenant subscription & payment surfaces */
.billing-shell {
    --billing-fg: var(--color-fg);
    --billing-muted: var(--color-muted);
    --billing-border: var(--color-border);
    --billing-accent: var(--color-accent);
    --billing-surface: color-mix(in srgb, var(--color-fg) 4%, var(--color-surface));
    --billing-elevated: color-mix(in srgb, var(--color-fg) 7%, var(--color-surface));
    --billing-glow: color-mix(in srgb, var(--billing-accent) 28%, transparent);
    --billing-success: color-mix(in srgb, var(--billing-accent) 65%, var(--color-fg));
    --billing-radius: 22px;
    --billing-radius-sm: 14px;
    --billing-shadow: 0 18px 40px color-mix(in srgb, var(--color-fg) 10%, transparent);
    --billing-shadow-soft: 0 8px 28px color-mix(in srgb, var(--color-fg) 6%, transparent);
    --billing-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --q-feature-ease: var(--billing-ease);
    --q-feature-fg: var(--billing-fg);
    --q-feature-muted: var(--billing-muted);
    --q-feature-bg: var(--color-surface);
    --q-feature-shadow: var(--billing-shadow-soft);
    --q-feature-shadow-hover: var(--billing-shadow);
    --q-feature-border: color-mix(in srgb, var(--billing-fg) 10%, transparent);
    --q-feature-label-fg: color-mix(in srgb, var(--billing-fg) 55%, transparent);
    --q-feature-text-fg: color-mix(in srgb, var(--billing-fg) 58%, transparent);
    --q-feature-glass:
        linear-gradient(
            165deg,
            color-mix(in srgb, var(--billing-fg) 6%, transparent) 0%,
            color-mix(in srgb, var(--billing-fg) 2%, transparent) 55%,
            color-mix(in srgb, var(--billing-fg) 1%, transparent) 100%);
    --q-feature-inset: inset 0 1px 0 color-mix(in srgb, var(--billing-fg) 8%, transparent);
    --q-feature-sheen: linear-gradient(
        90deg,
        transparent,
        color-mix(in srgb, var(--billing-fg) 18%, transparent),
        transparent);
    position: relative;
    color: var(--billing-fg);
    overflow: visible;
}

.billing-shell::before {
    content: "";
    position: absolute;
    /* Pull up through MudMainContent top padding so the glow starts at the page top. */
    top: calc(-1 * (var(--mud-appbar-height, 64px) + var(--space-4)));
    left: 50%;
    width: 100vw;
    height: calc(min(420px, 55vh) + var(--mud-appbar-height, 64px) + var(--space-4));
    transform: translateX(-50%);
    pointer-events: none;
    background:
        radial-gradient(ellipse 70% 85% at 18% 0%, var(--billing-glow), transparent 72%),
        radial-gradient(ellipse 55% 70% at 82% 6%, color-mix(in srgb, var(--billing-accent) 16%, transparent), transparent 74%),
        linear-gradient(
            180deg,
            color-mix(in srgb, var(--billing-accent) 8%, transparent) 0%,
            transparent 100%
        );
    opacity: 0.95;
    z-index: 0;
}

.billing-shell > * {
    position: relative;
    z-index: 1;
}

.billing-muted {
    color: var(--billing-muted);
}

.billing-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.billing-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--billing-accent) 35%, var(--billing-border));
    background: color-mix(in srgb, var(--billing-accent) 10%, transparent);
    color: var(--billing-accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.billing-hero-title {
    margin: var(--space-3) 0 var(--space-2);
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 750;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.billing-hero-lead {
    max-width: 42rem;
    font-size: 1.05rem;
    line-height: 1.55;
}

.billing-toggle-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin: 0 0 2rem;
}

.billing-toggle-pill {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.2rem;
    padding: 0.22rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--billing-fg) 10%, transparent);
    background: color-mix(in srgb, var(--billing-fg) 3.5%, var(--color-surface));
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--billing-fg) 6%, transparent);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
}

.billing-toggle-pill button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: none;
    background: transparent;
    color: var(--billing-muted);
    font: inherit;
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    padding: 0.58rem 1.05rem;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.2s var(--billing-ease), background 0.2s var(--billing-ease), box-shadow 0.2s var(--billing-ease);
}

.billing-toggle-pill button:hover {
    color: var(--billing-fg);
    background: color-mix(in srgb, var(--billing-fg) 5%, transparent);
}

.billing-toggle-pill button.is-active {
    color: var(--color-surface);
    background: var(--billing-fg);
    box-shadow: 0 6px 20px color-mix(in srgb, var(--billing-fg) 18%, transparent);
}

.billing-toggle-badge {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.14rem 0.42rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--billing-success) 16%, transparent);
    color: var(--billing-success);
}

.billing-toggle-pill button.is-active .billing-toggle-badge {
    background: color-mix(in srgb, var(--color-surface) 18%, transparent);
    color: inherit;
    opacity: 0.85;
}

.billing-plans-hero {
    text-align: center;
    margin: 0 auto 1.75rem;
    max-width: 36rem;
}

.billing-plans-back {
    display: inline-flex;
    margin-bottom: 1rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--billing-muted);
    text-decoration: none;
}

.billing-plans-back:hover {
    color: var(--billing-fg);
}

.billing-plans-eyebrow {
    margin: 0 0 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--billing-muted);
}

.billing-plans-title {
    margin: 0 0 0.65rem;
    font-size: clamp(1.65rem, 2.8vw, 2.1rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.billing-plans-lead {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--billing-muted);
}

.billing-plans-lead strong {
    color: var(--billing-fg);
    font-weight: 650;
}

.billing-plan-grid {
    display: grid;
    grid-template-columns: repeat(var(--pricing-cols, 4), minmax(0, 1fr));
    align-items: stretch;
    gap: 1rem;
    width: 100%;
    margin: 0 auto;
}

@media (max-width: 1100px) {
    .billing-plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .billing-plan-grid {
        grid-template-columns: 1fr;
    }
}

.billing-plan-card {
    --plan-card-border: color-mix(in srgb, var(--billing-fg) 10%, transparent);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 100%;
    padding: 1.65rem 1.45rem 1.4rem;
    border-radius: var(--billing-radius);
    border: 1px solid var(--plan-card-border);
    background:
        linear-gradient(
            165deg,
            color-mix(in srgb, var(--billing-fg) 5.5%, transparent) 0%,
            color-mix(in srgb, var(--billing-fg) 2%, transparent) 42%,
            color-mix(in srgb, var(--billing-fg) 1%, transparent) 100%),
        var(--color-surface);
    box-shadow:
        inset 0 1px 0 color-mix(in srgb, var(--billing-fg) 8%, transparent),
        var(--billing-shadow-soft);
    backdrop-filter: blur(18px) saturate(145%);
    -webkit-backdrop-filter: blur(18px) saturate(145%);
    overflow: hidden;
    box-sizing: border-box;
    transition:
        transform 0.35s var(--billing-ease),
        border-color 0.35s var(--billing-ease),
        box-shadow 0.35s var(--billing-ease),
        background 0.35s var(--billing-ease);
}

.billing-plan-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        color-mix(in srgb, var(--billing-fg) 28%, transparent),
        transparent);
    opacity: 0.7;
    pointer-events: none;
}

.billing-plan-card:hover {
    transform: translateY(-5px);
    border-color: color-mix(in srgb, var(--billing-fg) 18%, transparent);
    box-shadow:
        inset 0 1px 0 color-mix(in srgb, var(--billing-fg) 12%, transparent),
        var(--billing-shadow);
}

.billing-plan-card--popular {
    --plan-card-border: color-mix(in srgb, var(--billing-accent) 40%, transparent);
    background:
        linear-gradient(
            165deg,
            color-mix(in srgb, var(--billing-fg) 8%, transparent) 0%,
            color-mix(in srgb, var(--billing-fg) 2.5%, transparent) 48%,
            color-mix(in srgb, var(--billing-accent) 8%, transparent) 100%),
        var(--color-surface);
    box-shadow:
        inset 0 1px 0 color-mix(in srgb, var(--billing-fg) 12%, transparent),
        0 22px 55px color-mix(in srgb, var(--billing-accent) 12%, transparent);
}

.billing-plan-card--current:not(.billing-plan-card--popular) {
    --plan-card-border: color-mix(in srgb, var(--billing-accent) 32%, transparent);
}

.billing-plan-card--skeleton {
    min-height: 420px;
    pointer-events: none;
    background: linear-gradient(
        110deg,
        color-mix(in srgb, var(--billing-fg) 3%, transparent) 8%,
        color-mix(in srgb, var(--billing-fg) 7%, transparent) 18%,
        color-mix(in srgb, var(--billing-fg) 3%, transparent) 33%);
    background-size: 200% 100%;
    animation: billing-plan-shimmer 1.4s linear infinite;
}

@keyframes billing-plan-shimmer {
    to { background-position-x: -200%; }
}

.billing-plan-card__head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.15rem;
    min-height: 2.6rem;
}

.billing-plan-card__badge {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--billing-fg) 12%, transparent);
    background: var(--billing-fg);
    color: var(--color-surface);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.billing-plan-card__badge--current {
    background: color-mix(in srgb, var(--billing-accent) 14%, transparent);
    border-color: color-mix(in srgb, var(--billing-accent) 28%, transparent);
    color: var(--billing-accent);
}

.billing-plan-card__name {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 550;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.billing-plan-card--popular .billing-plan-card__name {
    font-weight: 650;
}

.billing-plan-card__price {
    margin: 0 0 1.15rem;
    padding-bottom: 1.15rem;
    border-bottom: 1px solid color-mix(in srgb, var(--billing-fg) 8%, transparent);
}

.billing-plan-card__value {
    margin: 0;
    font-size: clamp(1.7rem, 2.2vw, 2rem);
    font-weight: 650;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.billing-plan-card__value span {
    font-weight: 400;
    font-size: 0.95rem;
    margin-left: 0.15rem;
    letter-spacing: -0.01em;
    color: var(--billing-muted);
}

.billing-plan-card__value--custom {
    font-size: 1.45rem;
    letter-spacing: -0.03em;
}

.billing-plan-card__price-was {
    margin: 0.4rem 0 0;
    font-size: 0.86rem;
    color: color-mix(in srgb, var(--billing-muted) 85%, transparent);
    text-decoration: line-through;
    text-decoration-thickness: 1px;
}

.billing-plan-card__period-note {
    margin: 0.45rem 0 0;
    font-size: 0.82rem;
    letter-spacing: -0.01em;
    color: var(--billing-muted);
}

.billing-plan-card__savings {
    display: inline-flex;
    margin-top: 0.7rem;
    padding: 0.28rem 0.6rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--billing-success) 22%, transparent);
    background: color-mix(in srgb, var(--billing-success) 10%, transparent);
    color: var(--billing-success);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.billing-plan-card__channels {
    margin: 0 0 1rem;
    font-size: 0.86rem;
    line-height: 1.45;
    letter-spacing: -0.01em;
    color: var(--billing-muted);
    min-height: 2.5em;
}

.billing-plan-card__channels p {
    margin: 0 0 0.35rem;
}

.billing-plan-card__channels p:last-child {
    margin-bottom: 0;
}

.billing-plan-card__channels strong,
.billing-plan-card__channels b {
    font-weight: 600;
    color: var(--billing-fg);
}

.billing-feature-list {
    list-style: none;
    margin: 0 0 1.35rem;
    padding: 0;
    flex: 1 1 auto;
    display: grid;
    gap: 0.15rem;
}

.billing-feature-list li {
    position: relative;
    padding: 0.55rem 0 0.55rem 1.45rem;
    color: color-mix(in srgb, var(--billing-fg) 88%, transparent);
    font-size: 0.86rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
    border-bottom: 1px solid color-mix(in srgb, var(--billing-fg) 5%, transparent);
}

.billing-feature-list li:last-child {
    border-bottom: none;
}

.billing-feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: color-mix(in srgb, var(--billing-fg) 88%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--billing-fg) 8%, transparent);
}

.billing-feature-list li.is-muted {
    color: color-mix(in srgb, var(--billing-fg) 38%, transparent);
}

.billing-feature-list li.is-muted::before {
    background: color-mix(in srgb, var(--billing-fg) 22%, transparent);
    box-shadow: none;
}

.billing-plan-card__cta-wrap {
    margin-top: auto;
}

.billing-plan-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 2.85rem;
    padding: 0.8rem 1rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--billing-fg) 14%, transparent);
    background: color-mix(in srgb, var(--billing-fg) 4%, transparent);
    color: var(--billing-fg);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition:
        background 0.2s var(--billing-ease),
        border-color 0.2s var(--billing-ease),
        transform 0.2s var(--billing-ease),
        opacity 0.2s var(--billing-ease);
}

.billing-plan-card__cta:hover:not(:disabled) {
    background: color-mix(in srgb, var(--billing-fg) 8%, transparent);
    border-color: color-mix(in srgb, var(--billing-fg) 24%, transparent);
    transform: translateY(-1px);
}

.billing-plan-card__cta:disabled {
    opacity: 0.55;
    cursor: default;
}

.billing-plan-card__cta--primary {
    border: none;
    background: var(--billing-fg);
    color: var(--color-surface);
    box-shadow: 0 10px 28px color-mix(in srgb, var(--billing-fg) 16%, transparent);
}

.billing-plan-card__cta--primary:hover:not(:disabled) {
    background: color-mix(in srgb, var(--billing-fg) 88%, var(--billing-accent));
    border: none;
    color: var(--color-surface);
}

.billing-info-bento {
    display: grid;
    grid-template-columns: 1.15fr 1fr 0.95fr;
    gap: 0.85rem;
    margin-top: 2.25rem;
}

.billing-info-bento .q-feature-card {
    min-height: 180px;
}

.billing-info-bento .q-feature-card--qr {
    min-height: 0;
}

@media (max-width: 960px) {
    .billing-info-bento {
        grid-template-columns: 1fr;
    }

    .billing-info-bento .q-feature-card {
        min-height: 150px;
    }
}

.billing-compare {
    margin-top: 1.75rem;
    border-radius: 16px;
    border: 1px solid color-mix(in srgb, var(--billing-fg) 10%, transparent);
    background: color-mix(in srgb, var(--billing-fg) 2.5%, var(--color-surface));
    overflow: hidden;
}

.billing-compare > summary {
    cursor: pointer;
    list-style: none;
    padding: 0.95rem 1.15rem;
    font-size: 0.88rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--billing-muted);
    user-select: none;
}

.billing-compare > summary::-webkit-details-marker {
    display: none;
}

.billing-compare[open] > summary {
    color: var(--billing-fg);
    border-bottom: 1px solid color-mix(in srgb, var(--billing-fg) 8%, transparent);
}

.billing-compare-panel {
    margin: 0;
    padding: 0.35rem 0.5rem 0.75rem;
    border: 0;
    border-radius: 0;
    background: transparent;
    overflow-x: auto;
}

.billing-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.billing-compare-table th,
.billing-compare-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid color-mix(in srgb, var(--billing-border) 80%, transparent);
}

.billing-compare-table th {
    color: var(--billing-muted);
    font-weight: 600;
    font-size: 0.8rem;
}

.billing-compare-table td:not(:first-child) {
    text-align: center;
}

.billing-checkout-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
    gap: var(--space-4);
    align-items: start;
}

@media (max-width: 960px) {
    .billing-checkout-layout {
        grid-template-columns: 1fr;
    }
}

.billing-steps {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.billing-step {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--billing-border);
    background: var(--billing-surface);
    color: var(--billing-muted);
    font-size: 0.8125rem;
    font-weight: 600;
}

.billing-step.is-done {
    color: var(--billing-fg);
    border-color: color-mix(in srgb, var(--billing-accent) 35%, var(--billing-border));
}

.billing-step.is-active {
    color: var(--billing-fg);
    border-color: color-mix(in srgb, var(--billing-accent) 50%, var(--billing-border));
    background: color-mix(in srgb, var(--billing-accent) 12%, var(--billing-surface));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--billing-accent) 12%, transparent);
}

.billing-step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--billing-fg) 8%, transparent);
    font-size: 0.72rem;
}

.billing-step.is-active .billing-step__num,
.billing-step.is-done .billing-step__num {
    background: color-mix(in srgb, var(--billing-accent) 25%, transparent);
    color: var(--billing-accent);
}

.billing-panel {
    padding: var(--space-4);
    border-radius: var(--billing-radius);
    border: 1px solid var(--billing-border);
    background: var(--billing-elevated);
    box-shadow: var(--billing-shadow-soft);
}

.billing-panel__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    font-size: 1.05rem;
    font-weight: 700;
}

.billing-panel--sticky {
    position: sticky;
    top: calc(var(--mud-appbar-height, 64px) + var(--space-4));
}

.billing-summary-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 0.55rem 0;
    font-size: 0.9rem;
}

.billing-summary-row + .billing-summary-row {
    border-top: 1px dashed color-mix(in srgb, var(--billing-border) 90%, transparent);
}

.billing-summary-row.is-total {
    padding-top: var(--space-3);
    margin-top: var(--space-2);
    border-top: 1px solid var(--billing-border);
    font-size: 1.05rem;
    font-weight: 700;
}

.billing-summary-row span:first-child {
    color: var(--billing-muted);
}

.billing-payment-methods {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.billing-payment-method-card {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-3);
    min-height: 5rem;
    padding: var(--space-3);
    border-radius: var(--billing-radius-sm);
    border: 1px solid var(--billing-border);
    background: var(--billing-surface);
    cursor: pointer;
    font: inherit;
    width: 100%;
    text-align: left;
    transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.billing-payment-method-card:hover:not(:disabled) {
    border-color: color-mix(in srgb, var(--billing-accent) 40%, var(--billing-border));
    transform: translateY(-1px);
}

.billing-payment-method-card.is-selected {
    border-color: color-mix(in srgb, var(--billing-accent) 60%, var(--billing-border));
    background: color-mix(in srgb, var(--billing-accent) 10%, var(--billing-surface));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--billing-accent) 12%, transparent);
}

.billing-payment-method-card:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.billing-payment-method-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 12px;
    background: color-mix(in srgb, var(--billing-accent) 12%, var(--billing-surface));
    color: var(--billing-accent);
}

.billing-payment-method-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.billing-payment-method-card__title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--billing-fg);
}

.billing-payment-method-card__desc {
    font-size: 0.78rem;
    color: var(--billing-muted);
    line-height: 1.35;
}

.billing-payment-method-card__badge {
    align-self: start;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--billing-accent);
    background: color-mix(in srgb, var(--billing-accent) 12%, transparent);
}

.billing-payment-method-card__check {
    color: var(--billing-accent);
}

.billing-payment-method-detail {
    margin-top: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--billing-radius-sm);
    border: 1px dashed color-mix(in srgb, var(--billing-border) 90%, transparent);
    background: color-mix(in srgb, var(--billing-fg) 2%, var(--color-surface));
}

.billing-readiness-alert__title {
    font-weight: 700;
}

.billing-readiness-alert__list {
    margin: var(--space-2) 0 0;
    padding-left: 1.2rem;
    color: var(--billing-muted);
}

.billing-readiness-alert__list li + li {
    margin-top: 0.35rem;
}

.billing-summary-payment-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: var(--space-3);
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--billing-accent) 30%, var(--billing-border));
    background: color-mix(in srgb, var(--billing-accent) 8%, transparent);
    color: var(--billing-accent);
    font-size: 0.78rem;
    font-weight: 600;
}

/* Legacy single-column layout (unused) */
.billing-payment-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 4.5rem;
    padding: var(--space-3);
    border-radius: var(--billing-radius-sm);
    border: 1px solid var(--billing-border);
    background: var(--billing-surface);
    cursor: pointer;
    font: inherit;
    width: 100%;
    transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.billing-payment-method:hover {
    border-color: color-mix(in srgb, var(--billing-accent) 40%, var(--billing-border));
}

.billing-payment-method.is-selected {
    border-color: color-mix(in srgb, var(--billing-accent) 60%, var(--billing-border));
    background: color-mix(in srgb, var(--billing-accent) 10%, var(--billing-surface));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--billing-accent) 12%, transparent);
}

.billing-payment-method span {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--billing-muted);
    text-align: center;
}

.billing-payment-method__hint {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--billing-accent);
}

@media (max-width: 960px) {
    .billing-payment-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .billing-payment-method-card {
        grid-template-columns: auto 1fr;
    }

    .billing-payment-method-card__badge,
    .billing-payment-method-card__check {
        grid-column: 2;
        justify-self: start;
    }
}

.billing-payment-methods--single {
    grid-template-columns: 1fr;
    max-width: 280px;
}

.billing-trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--billing-radius-sm);
    border: 1px solid var(--billing-border);
    background: color-mix(in srgb, var(--billing-fg) 3%, var(--color-surface));
}

.billing-trust-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8rem;
    color: var(--billing-muted);
}

.billing-trust-item .mud-icon-root {
    color: var(--billing-accent);
    font-size: 1.1rem !important;
}

.billing-result {
    max-width: 32rem;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-4);
}

.billing-result__icon {
    width: 4.5rem;
    height: 4.5rem;
    margin: 0 auto var(--space-3);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--billing-accent) 16%, transparent);
    color: var(--billing-accent);
}

.billing-result__icon.is-success {
    background: color-mix(in srgb, var(--billing-success) 18%, transparent);
    color: var(--billing-success);
}

.billing-result__icon.is-warning {
    background: color-mix(in srgb, var(--color-warning, var(--billing-accent)) 18%, transparent);
    color: var(--color-warning, var(--billing-accent));
}

.billing-result__icon.is-error {
    background: color-mix(in srgb, var(--color-danger, var(--billing-accent)) 18%, transparent);
    color: var(--color-danger, var(--billing-accent));
}

.billing-result__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.billing-invoice-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--billing-border);
    background: var(--billing-surface);
    font-size: 0.8rem;
    font-weight: 600;
}

.billing-faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.billing-faq-card {
    padding: var(--space-3);
    border-radius: var(--billing-radius-sm);
    border: 1px solid var(--billing-border);
    background: var(--billing-surface);
}

.billing-faq-card strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
}

.billing-faq-card p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--billing-muted);
    line-height: 1.45;
}

.billing-trial-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-3);
    border-radius: var(--billing-radius-sm);
    border: 1px solid color-mix(in srgb, var(--billing-accent) 35%, var(--billing-border));
    background: color-mix(in srgb, var(--billing-accent) 10%, var(--billing-surface));
}

.billing-trial-banner strong {
    display: block;
    margin-bottom: 0.2rem;
}

.billing-trial-banner span {
    font-size: 0.85rem;
}