.checkout-contract-dialog {
    width: min(680px, calc(100vw - 32px));
    max-height: calc(100dvh - 32px);
    padding: 0;
    border: 1px solid var(--border-default, #d7dce5);
    border-radius: 8px;
    background: var(--bg-surface, #fff);
    color: var(--text-primary, #172033);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
}

.checkout-contract-dialog::backdrop {
    background: rgba(15, 23, 42, 0.64);
}

.checkout-contract-form {
    display: grid;
    gap: 8px;
    padding: 18px;
    overflow-y: auto;
}

.checkout-contract-header,
.checkout-contract-actions {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.checkout-contract-header h2 {
    margin: 2px 0 0;
    font-size: 22px;
    line-height: 1.2;
}

.checkout-contract-eyebrow {
    color: var(--accent-primary, #2563eb);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.checkout-contract-close {
    width: 36px;
    height: 36px;
    border: 0;
    background: transparent;
    color: inherit;
    font-size: 28px;
    cursor: pointer;
}

.checkout-contract-summary,
.checkout-contract-footnote {
    margin: 0;
    color: var(--text-secondary, #475569);
    line-height: 1.4;
}

.checkout-contract-product-notice {
    margin: 0;
    padding: 9px 11px;
    border-left: 3px solid var(--accent-primary, #2563eb);
    background: rgba(37, 99, 235, 0.06);
    color: var(--text-secondary, #334155);
    font-size: 14px;
    line-height: 1.4;
}

.checkout-contract-fieldset {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin: 0;
    padding: 0;
    border: 0;
}

.checkout-contract-fieldset legend {
    grid-column: 1 / -1;
    margin-bottom: 5px;
    font-weight: 700;
}

.checkout-contract-choice,
.checkout-contract-checks label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 10px;
    border: 1px solid var(--border-default, #d7dce5);
    border-radius: 6px;
    cursor: pointer;
}

.checkout-contract-choice:has(input:checked) {
    border-color: var(--accent-primary, #2563eb);
    background: rgba(37, 99, 235, 0.06);
}

.checkout-contract-choice--primary {
    order: -1;
}

.checkout-contract-choice--unavailable {
    border-style: dashed;
    background: var(--bg-subtle, #f8fafc);
}

.checkout-contract-choice:has(input:disabled) {
    cursor: not-allowed;
    opacity: 0.62;
}

.checkout-contract-choice input,
.checkout-contract-checks input {
    margin-top: 3px;
}

.checkout-contract-choice span,
.checkout-contract-checks span {
    display: grid;
    gap: 3px;
    line-height: 1.4;
}

.checkout-contract-choice small {
    color: var(--text-secondary, #64748b);
}

.checkout-contract-checks {
    display: grid;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--border-default, #d7dce5);
    border-radius: 6px;
}

.checkout-contract-checks label {
    border: 0;
    border-radius: 0;
}

.checkout-contract-checks label[hidden] {
    display: none;
}

.checkout-contract-checks label + label {
    border-top: 1px solid var(--border-default, #d7dce5);
}

.checkout-contract-checks a {
    color: var(--accent-primary, #2563eb);
}

.checkout-contract-error {
    margin: 0;
    padding: 10px 12px;
    border-left: 4px solid #dc2626;
    background: #fef2f2;
    color: #991b1b;
}

.checkout-contract-footnote {
    font-size: 12px;
}

.checkout-contract-actions {
    align-items: center;
    justify-content: flex-end;
}

.checkout-contract-primary,
.checkout-contract-secondary {
    min-height: 44px;
    padding: 9px 14px;
    border-radius: 6px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.checkout-contract-primary {
    max-width: 100%;
    border: 1px solid var(--accent-primary, #2563eb);
    background: var(--accent-primary, #2563eb);
    color: #fff;
}

.checkout-contract-secondary {
    border: 1px solid var(--border-default, #cbd5e1);
    background: transparent;
    color: inherit;
}

.checkout-contract-primary:focus-visible,
.checkout-contract-secondary:focus-visible,
.checkout-contract-close:focus-visible,
.checkout-contract-choice:focus-within,
.checkout-contract-checks label:focus-within {
    outline: 3px solid rgba(37, 99, 235, 0.35);
    outline-offset: 2px;
}

@media (max-width: 560px) {
    .checkout-contract-dialog {
        width: calc(100vw - 20px);
        max-height: calc(100dvh - 20px);
    }

    .checkout-contract-form {
        gap: 10px;
        padding: 14px;
    }

    .checkout-contract-fieldset {
        grid-template-columns: 1fr;
    }

    .checkout-contract-actions {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        align-items: stretch;
        gap: 8px;
    }

    .checkout-contract-primary {
        width: 100%;
        font-size: 14px;
        line-height: 1.25;
    }
}