body,
html {
    background-color: #fff;
}

.container {
    max-width: 850px;
    margin: 0 auto;
}

.checkout-introduction {
    max-width: 760px;
    margin: 15px auto 36px;
}

.checkout-introduction p {
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
    color: #222;
    text-align: center;
}

.checkout-card {
    margin: 0 auto;
    padding: 36px;
    background: #fcfcfc;
    border-radius: 14px;
    box-shadow: 0 5px 5px rgba(0, 0, 0, .08);
}

.checkout-card-lg {
    max-width: 980px;
}

.checkout-card-centered {
    text-align: center;
}

.checkout-header {
    margin-bottom: 22px;
}

.checkout-header h1 {
    margin: 0 0 22px;
    padding: 0;
    font-size: 30px;
    font-weight: 700;
    color: #222;
}

.checkout-header p {
    margin: 0;
    color: #222;
    font-size: 16px;
    line-height: 1.6;
}

.checkout-form {
    margin-top: 5px;
}

.checkout-form-grid,
.checkout-info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.checkout-info-grid {
    gap: 22px;
    margin-bottom: 20px;
    font-size: 14px;
}

.checkout-form-row {
    margin-bottom: 22px;
}

.checkout-form-row label {
    display: block;
    margin-bottom: 8px;
    color: #222;
    font-size: 15px;
    font-weight: 600;
}

.checkout-form-row input,
.checkout-form-row select,
.checkout-email-box input {
    width: 100%;
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid #d9dde2;
    border-radius: 8px;
    background: #fff;
    color: #222;
    font-size: 15px;
    box-sizing: border-box;
}

.checkout-form-row input:focus,
.checkout-form-row select:focus,
.checkout-email-box input:focus {
    outline: none;
    border-color: #8aa99a;
    box-shadow: 0 0 0 3px rgba(138, 169, 154, .18);
}

.checkout-help {
    margin-top: 6px;
    color: #777;
    font-size: 13px;
    line-height: 1.4;
}

.checkout-errors {
    margin-top: 6px;
    color: #b3261e;
    font-size: 13px;
}

.checkout-section,
.checkout-email-box,
.checkout-details-box {
    padding: 24px;
    border: 1px solid #e6e8eb;
    border-radius: 12px;
    background: #fcfcfc;
}

.checkout-section h2,
.checkout-email-box h2 {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    color: #222;
}

.checkout-email-box {
    margin-top: 20px;
    background: #fff;
}

.checkout-email-box p {
    margin: 0 0 10px;
    color: #222;
    font-size: 15px;
    line-height: 1.5;
}

.checkout-details {
    margin: 0;
    font-size: 14px;
}

.checkout-details div {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid #e5e5e5;
}

.checkout-details div:last-child {
    border-bottom: none;
}

.checkout-details dt {
    color: #222;
    font-size: 14px;
    font-weight: 600;
}

.checkout-details dd {
    margin: 0;
    color: #444;
    font-size: 14px;
    font-weight: 300;
}

.checkout-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 20px 0;
    padding: 22px 26px;
    border-radius: 12px;
    background: #f3f7f5;
    border: 1px solid #dce9e2;
}

.checkout-summary span {
    font-size: 18px;
    font-weight: 600;
    color: #222;
}

.checkout-summary strong {
    font-size: 26px;
    font-weight: 800;
    color: #222;
}

.checkout-alert {
    margin-bottom: 20px;
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 14px;
}

.checkout-alert-error,
.checkout-disabled {
    background: #fff3f3;
    color: #8a1f1f;
    border: 1px solid #f0c6c6;
}

.checkout-alert-success {
    background: #f3f7f5;
    color: #24513c;
    border: 1px solid #dce9e2;
}

.checkout-disabled {
    padding: 20px;
    border-radius: 10px;
}

.checkout-confirmation {
    margin-top: 20px;
}

.checkout-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 24px;
    border: 1px solid #e6e8eb;
    border-radius: 12px;
    background: #fcfcfc;
    cursor: pointer;
    font-size: 16px;
}

.checkout-checkbox input[type="checkbox"] {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    margin: 0 3px 0 0;
    transform: translateY(4px);
}

.checkout-status-icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: 700;
}

.checkout-status-icon-success {
    background: #f3f7f5;
    color: #24513c;
    border: 1px solid #dce9e2;
}

.checkout-status-icon-warning {
    background: #fff8e8;
    color: #8a5a00;
    border: 1px solid #f0ddb0;
}

.checkout-status-icon-error {
    background: #fff3f3;
    color: #b3261e;
    border: 1px solid #f0c6c6;
}

.checkout-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 20px;
}

.checkout-actions button,
.checkout-actions input[type="submit"],
.checkout-actions a {
    min-width: 180px;
    border-radius: 8px;
    padding: 11px 24px;
    text-align: center;
}

.checkout-actions .btn-cancel,
.checkout-actions .btn-secondary {
    background: #e5e5e5;
    color: #444;
    border: 1px solid #d8d8d8;
    text-decoration: none;
    transition: all .2s ease;
}

.checkout-actions .btn-cancel:hover,
.checkout-actions .btn-secondary:hover {
    background: #e9e9e9;
    border-color: #bfbfbf;
    color: #222;
    text-decoration: none;
}

.hidden-fields {
    display: none;
}

@media (max-width: 768px) {
    .checkout-card {
        padding: 24px;
    }

    .checkout-form-grid,
    .checkout-info-grid {
        grid-template-columns: 1fr;
    }

    .checkout-details div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .checkout-summary {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .checkout-actions {
        flex-direction: column;
    }
}