/* pages/static/pages/css/shop_frontend/checkout.css */
/* Уникальные стили страницы Checkout.
   Всё общее (.hero, section, .block-card, .callout, .lead) — в shop_general.css. */

/* ============================================================
   FORM DEMO — форма контактных данных
   ============================================================ */
.form-demo {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 18px 0;
}

.form-demo__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-demo__field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.35s ease;
}

.form-demo__input {
    padding: 12px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease;
}

/* ============================================================
   REASON GRID — «для магазина / для покупателя»
   ============================================================ */
.reason-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 16px 0 4px;
}

.reason-col {
    border-radius: 12px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

.reason-col--shop {
    background: rgba(108, 140, 255, 0.06);
    border-color: rgba(108, 140, 255, 0.25);
}

.reason-col--client {
    background: rgba(34, 197, 94, 0.06);
    border-color: rgba(34, 197, 94, 0.25);
}

.reason-col h5 {
    margin: 0 0 10px;
    font-size: 0.95rem;
    font-weight: 700;
}

.reason-col--shop h5 {
    color: var(--accent);
}

.reason-col--client h5 {
    color: #16a34a;
}

:root[data-theme="dark"] .reason-col--client h5 {
    color: #4ade80;
}

.reason-col ul {
    margin: 0;
    padding-left: 18px;
    list-style: none;
}

.reason-col li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 6px;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--text-primary);
    transition: color 0.35s ease;
}

.reason-col li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-muted);
    font-weight: 700;
}

.reason-col li:last-child {
    margin-bottom: 0;
}

/* ============================================================
   ADDRESS GRID — поля адреса доставки
   ============================================================ */
.address-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 16px 0 4px;
}

.address-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    align-items: start;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: transform 0.25s ease, box-shadow 0.25s ease,
                background-color 0.35s ease, border-color 0.35s ease;
}

.address-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
    border-color: var(--border-strong);
}

.address-item__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 800;
    font-size: 1rem;
}

.address-item__title {
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.98rem;
    margin-bottom: 4px;
    transition: color 0.35s ease;
}

.address-item__text {
    font-size: 0.86rem;
    line-height: 1.5;
    color: var(--text-muted);
    transition: color 0.35s ease;
}

/* ============================================================
   DELIVERY GRID — способы доставки
   ============================================================ */
.delivery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 16px 0;
}

.delivery-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 14px;
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease,
                background-color 0.35s ease, border-color 0.35s ease;
}

.delivery-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: var(--accent);
}

.delivery-card__icon {
    font-size: 1.7rem;
    margin-bottom: 10px;
    line-height: 1;
}

.delivery-card__title {
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.95rem;
    margin-bottom: 6px;
    transition: color 0.35s ease;
}

.delivery-card__text {
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--text-muted);
    transition: color 0.35s ease;
}

/* ============================================================
   TARIFF DEMO — тарифы доставки
   ============================================================ */
.tariff-demo {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 18px 0 4px;
}

.tariff-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: transform 0.2s ease, background-color 0.35s ease,
                border-color 0.35s ease;
}

.tariff-row:hover {
    transform: translateX(4px);
    border-color: var(--border-strong);
}

.tariff-row__name {
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.96rem;
    transition: color 0.35s ease;
}

.tariff-row__time {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color 0.35s ease;
}

.tariff-row__price {
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.96rem;
    min-width: 80px;
    text-align: right;
    white-space: nowrap;
    transition: color 0.35s ease;
}

.tariff-row--free {
    background: rgba(34, 197, 94, 0.06);
    border-color: rgba(34, 197, 94, 0.25);
}

.tariff-row--free .tariff-row__price {
    color: #16a34a;
}

:root[data-theme="dark"] .tariff-row--free .tariff-row__price {
    color: #4ade80;
}

/* ============================================================
   PROMO DEMO — поле промокода
   ============================================================ */
.promo-demo {
    display: flex;
    gap: 10px;
    margin: 18px 0;
    max-width: 460px;
}

.promo-demo__input {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 1px;
    transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease;
}

.promo-demo__button {
    padding: 12px 22px;
    background: var(--accent);
    color: var(--accent-contrast);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background-color 0.25s, transform 0.25s, box-shadow 0.25s;
    white-space: nowrap;
}

.promo-demo__button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn);
}

/* ============================================================
   VALIDATION LIST — список проверок промокода
   ============================================================ */
.validation-list {
    margin: 12px 0 4px;
    padding-left: 22px;
}

.validation-list li {
    margin-bottom: 8px;
    font-size: 0.94rem;
    line-height: 1.6;
    color: var(--text-primary);
    transition: color 0.35s ease;
}

.validation-list li strong {
    color: var(--text-heading);
}

/* ============================================================
   PAYMENT GRID — способы оплаты
   ============================================================ */
.payment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 18px 0 4px;
}

.payment-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 14px;
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease,
                background-color 0.35s ease, border-color 0.35s ease;
    cursor: pointer;
}

.payment-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: var(--accent);
}

.payment-card__icon {
    font-size: 1.6rem;
    margin-bottom: 10px;
    line-height: 1;
}

.payment-card__title {
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.9rem;
    line-height: 1.4;
    transition: color 0.35s ease;
}

/* ============================================================
   COMMENT DEMO — комментарий к заказу
   ============================================================ */
.comment-demo {
    margin: 18px 0 4px;
}

.comment-demo__placeholder {
    padding: 16px 18px;
    background: var(--bg-elevated);
    border: 1px dashed var(--border-strong);
    border-radius: 10px;
    font-size: 0.92rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.6;
    transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease;
}

/* ============================================================
   TOTAL DEMO — итоговая сумма
   ============================================================ */
.total-demo {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
    margin: 18px 0 4px;
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding: 8px 0;
    font-size: 0.96rem;
    color: var(--text-primary);
    border-bottom: 1px dashed var(--border);
    transition: color 0.35s ease, border-color 0.35s ease;
}

.total-row:last-child {
    border-bottom: none;
}

.total-row--muted {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.total-row--total {
    margin-top: 6px;
    padding-top: 14px;
    border-top: 2px solid var(--accent-soft);
    border-bottom: none;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-heading);
}

.total-row--total span:last-child {
    color: var(--accent);
    font-size: 1.2rem;
}

/* ============================================================
   CTA DEMO — кнопка «Подтвердить заказ»
   ============================================================ */
.cta-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 22px 0 4px;
    padding: 26px 20px;
    background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 100%);
    border-radius: 14px;
    border: 1px dashed var(--border-strong);
    transition: background 0.35s ease, border-color 0.35s ease;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-btn);
    transition: background-color 0.25s, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s;
}

.cta-button:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-accent);
}

.cta-button:active {
    transform: translateY(-1px);
}

.cta-button__arrow {
    font-size: 1.1rem;
    transition: transform 0.25s;
}

.cta-button:hover .cta-button__arrow {
    transform: translateX(4px);
}

.cta-demo__hint {
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: color 0.35s ease;
}

/* ============================================================
   STEPS DEMO — разбивка на шаги
   ============================================================ */
.steps-demo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin: 20px 0 4px;
    padding: 20px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

.step {
    display: grid;
    grid-template-columns: 40px 1fr;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--accent-contrast);
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-btn);
}

.step__body {
    min-width: 0;
}

.step__title {
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.92rem;
    margin-bottom: 2px;
    transition: color 0.35s ease;
}

.step__text {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    transition: color 0.35s ease;
}

.step__arrow {
    font-size: 1.3rem;
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    opacity: 0.6;
}

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width: 900px) {
    .form-demo {
        grid-template-columns: 1fr;
    }

    .delivery-grid,
    .payment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-demo {
        flex-direction: column;
        align-items: stretch;
    }

    .step__arrow {
        transform: rotate(90deg);
        align-self: center;
    }
}

@media (max-width: 700px) {
    .reason-grid {
        grid-template-columns: 1fr;
    }

    .address-grid {
        grid-template-columns: 1fr;
    }

    .delivery-grid,
    .payment-grid {
        grid-template-columns: 1fr;
    }

    .promo-demo {
        flex-direction: column;
        max-width: 100%;
    }

    .promo-demo__button {
        width: 100%;
        text-align: center;
    }

    .tariff-row {
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        gap: 4px 12px;
    }

    .tariff-row__name {
        grid-column: 1 / 3;
    }

    .tariff-row__time {
        grid-column: 1;
    }

    .tariff-row__price {
        grid-column: 2;
        text-align: right;
    }

    .cta-demo {
        padding: 20px 16px;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
    }
}