/* ==========================================================================
   Component: Quick Buy Modal
   Быстрая покупка ebook/audio с авторегистрацией по email.
   Базовая обёртка (.dsb-modal, backdrop, popup) — из dsb-modal-base.css.
   ========================================================================== */

.quick-buy-modal__close {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 2;
}

.quick-buy-modal__popup {
    max-width: 480px;
    padding: 40px 32px 32px;
}

.dsb-modal--open .quick-buy-modal__popup {
    overflow-y: auto;
}

/* --- Header --- */
.quick-buy-modal__header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.quick-buy-modal__title {
    font-family: var(--font-family-serif);
    font-size: 26px;
    font-weight: 500;
    line-height: 36px;
    color: var(--color-text);
    margin: 0 0 12px;
}

.quick-buy-modal__subtitle {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 22px;
    color: var(--color-dark-400);
    margin: 0;
}

/* --- Form --- */
.quick-buy-modal__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.quick-buy-modal__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quick-buy-modal__label {
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 15px;
    color: var(--color-dark-600);
}

.quick-buy-modal__input {
    width: 100%;
    min-height: 48px;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    transition: border-color 0.15s ease;
}

.quick-buy-modal__input:focus {
    outline: none;
    border-color: var(--color-accent-700);
}

.quick-buy-modal__input--error {
    border-color: var(--color-red, #c62828);
}

/* --- Honeypot --- */
.quick-buy-modal__hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* --- Payment method picker --- */
.quick-buy-modal__payment {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quick-buy-modal__payment-title {
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 15px;
    color: var(--color-dark-600);
    margin-bottom: 4px;
}

.quick-buy-modal__payment-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.quick-buy-modal__payment-option:hover {
    border-color: var(--color-dark-400);
}

.quick-buy-modal__payment-option:has(.quick-buy-modal__payment-radio:checked) {
    border-color: var(--color-accent-700);
    background: var(--color-accent-50, #FCFBF9);
}

.quick-buy-modal__payment-radio {
    position: absolute;
    opacity: 0;
    width: 18px;
    height: 18px;
    margin: 0;
    pointer-events: none;
}

.quick-buy-modal__payment-visual {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-white);
    margin-top: 2px;
    transition: border-color 0.15s ease;
    position: relative;
}

.quick-buy-modal__payment-radio:checked + .quick-buy-modal__payment-visual {
    border-color: var(--color-accent-700);
    border-width: 5px;
}

.quick-buy-modal__payment-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.quick-buy-modal__payment-name {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 20px;
    color: var(--color-text);
}

.quick-buy-modal__payment-sub {
    font-family: var(--font-family);
    font-size: var(--font-size-xs);
    font-weight: 400;
    line-height: 16px;
    color: var(--color-dark-400);
}

/* --- Consent checkbox --- */
.quick-buy-modal__consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.quick-buy-modal__checkbox-wrap {
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

.quick-buy-modal__checkbox {
    position: absolute;
    opacity: 0;
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
}

.quick-buy-modal__checkbox-visual {
    display: block;
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-white);
    transition: all 0.15s ease;
}

.quick-buy-modal__checkbox:checked + .quick-buy-modal__checkbox-visual {
    background: var(--color-accent-700);
    border-color: var(--color-accent-700);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23101317' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8l3.5 3.5L13 5'/%3E%3C/svg%3E");
    background-position: center;
    background-repeat: no-repeat;
    background-size: 14px;
}

.quick-buy-modal__consent-text {
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    line-height: 18px;
    color: var(--color-dark-600);
}

.quick-buy-modal__consent-text a {
    color: var(--color-text);
    text-decoration: underline;
}

/* --- Error message --- */
.quick-buy-modal__error {
    display: none;
    color: var(--color-red, #c62828);
    font-size: var(--font-size-sm);
    line-height: 18px;
}

.quick-buy-modal__error--visible {
    display: block;
}

.quick-buy-modal__error-link {
    color: var(--color-text);
    text-decoration: underline;
    font-weight: 500;
    white-space: nowrap;
}

/* --- Submit --- */
.quick-buy-modal__submit {
    width: 100%;
    min-height: 52px;
    margin-top: var(--spacing-xs);
}

.quick-buy-modal__submit--loading {
    opacity: 0.7;
    pointer-events: none;
}

/* --- Mobile --- */
@media (max-width: 480px) {
    .quick-buy-modal__popup {
        padding: 32px 20px 24px;
    }
    .quick-buy-modal__title {
        font-size: 22px;
        line-height: 30px;
    }
}