.checkout-page {
    min-height: 72vh;
}

.checkout-hero {
    padding: 52px 0;
    color: var(--white);
    background:
        radial-gradient(circle at 18% 16%, rgba(94, 235, 255, 0.22), transparent 24%),
        linear-gradient(135deg, var(--night), #16245B);
}

.checkout-hero h1 {
    margin: 12px 0 8px;
    font-size: clamp(2.4rem, 7vw, 4.8rem);
    line-height: 0.95;
}

.checkout-hero p {
    max-width: 700px;
    color: rgba(255, 255, 255, 0.74);
}

.checkout-hero .section-kicker {
    color: var(--cyan);
    background: rgba(94, 235, 255, 0.1);
}

.checkout-shell {
    padding: 34px 0 70px;
}

.checkout-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 22px;
}

.checkout-steps button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(9, 20, 51, 0.1);
    border-radius: 999px;
    color: var(--muted);
    background: var(--white);
    font: inherit;
    font-weight: 800;
}

.checkout-steps span {
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--white);
    background: var(--muted);
    font-size: 0.82rem;
}

.checkout-steps button.active,
.checkout-steps button.done {
    color: var(--night);
    background: linear-gradient(135deg, var(--cyan), var(--yellow));
    border-color: transparent;
}

.checkout-steps button.active span,
.checkout-steps button.done span {
    background: var(--night);
}

.checkout-layout {
    display: grid;
    gap: 22px;
}

.checkout-main-card,
.checkout-summary-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(9, 20, 51, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.checkout-main-card {
    padding: clamp(18px, 4vw, 30px);
}

.checkout-summary-card {
    align-self: start;
    padding: 22px;
}

.checkout-summary-card h2 {
    color: var(--night);
    margin-bottom: 16px;
}

.checkout-loading,
.checkout-empty,
.checkout-auth-required {
    min-height: 360px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 12px;
    text-align: center;
    color: var(--muted);
}

.checkout-loading i,
.checkout-empty i,
.checkout-auth-required i {
    color: var(--blue);
    font-size: 2.4rem;
}

.checkout-empty h2,
.checkout-auth-required h2 {
    color: var(--night);
}

.checkout-card-heading {
    margin-bottom: 20px;
}

.checkout-card-heading h2 {
    margin: 10px 0 6px;
    color: var(--night);
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    line-height: 1.05;
}

.checkout-card-heading p {
    color: var(--muted);
}

.checkout-cart-list {
    display: grid;
    gap: 14px;
}

.checkout-cart-item {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 14px;
    align-items: center;
    padding: 14px;
    border: 1px solid rgba(9, 20, 51, 0.08);
    border-radius: 18px;
    background: var(--white);
}

.checkout-cart-item img {
    width: 86px;
    height: 86px;
    object-fit: cover;
    border-radius: 14px;
}

.checkout-cart-item h3 {
    color: var(--night);
    line-height: 1.15;
}

.checkout-cart-item p {
    color: var(--muted);
    font-size: 0.86rem;
}

.checkout-cart-item strong {
    display: block;
    color: var(--blue);
    margin-top: 4px;
}

.checkout-item-controls {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkout-actions {
    display: grid;
    gap: 10px;
    margin-top: 22px;
}

.checkout-form {
    display: grid;
}

.checkout-form-grid {
    display: grid;
    gap: 14px;
}

.checkout-form-grid label {
    display: grid;
    gap: 7px;
    color: var(--night);
    font-weight: 800;
}

.checkout-form-grid input,
.checkout-form-grid select,
.checkout-form-grid textarea {
    width: 100%;
    min-height: 46px;
    border: 1px solid rgba(9, 20, 51, 0.12);
    border-radius: 14px;
    padding: 11px 13px;
    background: #F8FBFF;
    color: var(--text);
    font: inherit;
    outline: none;
}

.checkout-form-grid textarea {
    min-height: 110px;
    resize: vertical;
}

.checkout-form-grid input:focus,
.checkout-form-grid select:focus,
.checkout-form-grid textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(33, 118, 255, 0.12);
}

.checkout-payment-box {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 14px;
    align-items: center;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid rgba(33, 118, 255, 0.16);
    background: rgba(33, 118, 255, 0.06);
}

.checkout-payment-box i {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: var(--night);
    background: linear-gradient(135deg, var(--cyan), var(--yellow));
    font-size: 1.3rem;
}

.checkout-payment-box strong,
.checkout-payment-box span {
    display: block;
}

.checkout-payment-box strong {
    color: var(--night);
    font-size: 1.08rem;
}

.checkout-payment-box span {
    color: var(--muted);
}

.checkout-review-box {
    display: grid;
    gap: 10px;
    margin-top: 16px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(9, 20, 51, 0.04);
}

.checkout-review-box div,
.summary-lines div,
.transfer-panel dl div {
    display: flex;
    justify-content: space-between;
    gap: 14px;
}

.checkout-review-box span,
.summary-lines span,
.transfer-panel dt {
    color: var(--muted);
    font-weight: 800;
}

.checkout-review-box strong,
.summary-lines strong,
.transfer-panel dd {
    color: var(--night);
    font-weight: 800;
    text-align: right;
}

.summary-mini-list {
    display: grid;
    gap: 10px;
    max-height: 280px;
    overflow: auto;
    padding-right: 4px;
    margin-bottom: 16px;
}

.summary-mini-list article {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 10px;
    align-items: center;
}

.summary-mini-list img {
    width: 54px;
    height: 54px;
    object-fit: cover;
    border-radius: 12px;
}

.summary-mini-list strong,
.summary-mini-list span {
    display: block;
}

.summary-mini-list strong {
    color: var(--night);
    line-height: 1.15;
    font-size: 0.92rem;
}

.summary-mini-list span,
.summary-empty {
    color: var(--muted);
    font-size: 0.84rem;
}

.summary-lines {
    display: grid;
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid rgba(9, 20, 51, 0.08);
}

.summary-total {
    padding-top: 12px;
    border-top: 1px solid rgba(9, 20, 51, 0.08);
    font-size: 1.18rem;
}

.summary-note {
    margin-top: 14px;
    color: var(--muted);
    font-weight: 700;
}

.summary-note i {
    color: var(--blue);
}

.checkout-success {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 10px;
    padding: 22px;
}

.checkout-success i {
    color: var(--success);
    font-size: 3.2rem;
}

.checkout-success h2 {
    color: var(--night);
    font-size: clamp(2rem, 5vw, 3rem);
}

.checkout-success p {
    color: var(--muted);
}

.transfer-panel {
    display: grid;
    gap: 12px;
    padding: 20px;
    border-radius: 18px;
    background: var(--white);
    border: 1px solid rgba(9, 20, 51, 0.08);
}

.transfer-panel h3 {
    color: var(--night);
}

.transfer-panel p {
    color: var(--muted);
}

.transfer-panel dl {
    display: grid;
    gap: 10px;
}

@media (min-width: 760px) {
    .checkout-steps {
        grid-template-columns: repeat(4, 1fr);
    }

    .checkout-layout {
        grid-template-columns: minmax(0, 1fr) 340px;
        align-items: start;
    }

    .checkout-summary-card {
        position: sticky;
        top: 96px;
    }

    .checkout-cart-item {
        grid-template-columns: 96px 1fr auto;
    }

    .checkout-cart-item img {
        width: 96px;
        height: 96px;
    }

    .checkout-item-controls {
        grid-column: auto;
        justify-content: end;
        gap: 12px;
    }

    .checkout-actions {
        grid-template-columns: auto auto;
        justify-content: end;
    }

    .checkout-form-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .checkout-form-grid.one-col {
        grid-template-columns: 1fr;
    }
}