.kmcalc {
    max-width: 1520px;
    margin: 40px auto;
    padding: 28px;
    border-radius: 24px;
    background: #f7f9fc;
    color: #172033;
    font-family: Arial, sans-serif;
    box-shadow: 0 12px 40px rgba(20, 42, 80, 0.1);
}

.kmcalc * {
    box-sizing: border-box;
}

.kmcalc h1 {
    margin: 0 0 8px;
    font-size: 34px;
}

.kmcalc .lead {
    margin: 0 0 24px;
    color: #647086;
}

.kmcalc-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.72fr) minmax(300px, 0.72fr);
    gap: 24px;
    align-items: start;
}

.kmcalc-form {
    margin: 0;
}

.km-hours-card {
    margin-top: 24px;
}

.kmcalc-card {
    padding: 20px;
    border: 1px solid #e6ebf2;
    border-radius: 18px;
    background: #fff;
}

.kmcalc h2 {
    margin: 0 0 16px;
    font-size: 20px;
}

.km-services {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.km-option {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 11px;
    border: 1px solid #e7ebf1;
    border-radius: 12px;
    cursor: pointer;
}

.km-option:hover {
    border-color: #e83f45;
}

.km-option input {
    margin-top: 3px;
}

.km-option small {
    display: block;
    margin-top: 4px;
    color: #788399;
}

.km-field {
    margin: 0 0 18px;
}

.km-field label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.km-field input[type="number"],
.km-field select {
    width: 100%;
    padding: 11px;
    border: 1px solid #ccd4df;
    border-radius: 10px;
    background: #fff;
}

.km-pay {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.km-pay label {
    padding: 11px;
    border: 1px solid #ccd4df;
    border-radius: 10px;
    font-weight: 400;
}

.km-total {
    position: sticky;
    top: 20px;
}

.km-price {
    margin: 8px 0;
    color: #e83f45;
    font-size: 42px;
    font-weight: 800;
}

.km-price-label {
    margin: 6px 0 0;
    color: #788399;
}

.km-note {
    color: #788399;
    font-size: 13px;
    line-height: 1.45;
}

.km-breakdown {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.km-breakdown li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 0;
    border-top: 1px solid #edf0f4;
    font-size: 14px;
}

.km-breakdown li span {
    min-width: 0;
}

.km-breakdown li strong {
    white-space: nowrap;
}

.km-distance-row {
    display: grid;
    grid-template-columns: 1fr 92px;
    gap: 14px;
    align-items: center;
}

.km-range {
    width: 100%;
    accent-color: #e83f45;
    cursor: pointer;
}

.km-distance-number {
    display: flex;
    overflow: hidden;
    align-items: center;
    border: 1px solid #ccd4df;
    border-radius: 10px;
    background: #fff;
}

.km-distance-number input {
    padding-right: 5px !important;
    border: 0 !important;
    border-radius: 0 !important;
    text-align: right;
}

.km-distance-number span {
    padding-right: 10px;
    color: #647086;
}

.km-range-scale {
    display: flex;
    justify-content: space-between;
    margin: 3px 100px 7px 2px;
    color: #8a94a7;
    font-size: 11px;
}

.km-field-title {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.km-markups {
    display: grid;
    gap: 8px;
}

.km-markups label {
    display: flex;
    gap: 9px;
    align-items: center;
    padding: 10px 11px;
    border: 1px solid #e1e6ed;
    border-radius: 10px;
    cursor: pointer;
}

.km-markups label:has(input:checked) {
    border-color: #e83f45;
    background: #fff6f6;
}

.km-markups input {
    accent-color: #e83f45;
}

.km-order-form {
    display: grid;
    gap: 12px;
}

.km-input-label {
    display: grid;
    gap: 6px;
    color: #47536a;
    font-size: 13px;
    font-weight: 700;
}

.km-form-control {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid #ccd4df;
    border-radius: 10px;
    background: #fff;
    color: #172033;
    font: inherit;
}

.km-form-control:focus {
    border-color: #e83f45;
    outline: 2px solid rgba(232, 63, 69, 0.2);
}

.km-form-control.error {
    border-color: #e83f45;
}

.km-form-error {
    min-height: 14px;
    color: #e83f45;
    font-size: 12px;
    font-weight: 400;
}

.km-order-price {
    padding: 6px 0 2px;
}

.km-agreement {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px;
    align-items: start;
    color: #647086;
    font-size: 12px;
    line-height: 1.45;
}

.km-agreement input {
    margin-top: 3px;
}

.km-agreement a {
    color: #e83f45;
    text-decoration: underline;
}

.km-agreement-error {
    grid-column: 1 / -1;
}

.km-submit {
    width: 100%;
    padding: 13px 18px;
    border: 0;
    border-radius: 10px;
    background: #e83f45;
    color: #fff;
    font: 700 16px/1.2 Arial, sans-serif;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.km-submit:hover {
    background: #cf3036;
    transform: translateY(-1px);
}

.km-submit:focus-visible {
    outline: 3px solid rgba(232, 63, 69, 0.3);
    outline-offset: 2px;
}

.km-order-form .alert {
    margin: 0;
}

@media (max-width: 1180px) {
    .kmcalc {
        max-width: 1000px;
    }

    .kmcalc-grid {
        grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.8fr);
    }

    .km-order-column {
        grid-column: 2;
    }

    .km-total {
        position: static;
    }
}

@media (max-width: 800px) {
    .kmcalc {
        margin: 20px 10px;
        padding: 16px;
    }

    .kmcalc h1 {
        font-size: 27px;
    }

    .kmcalc-grid,
    .km-services {
        grid-template-columns: 1fr;
    }

    .km-order-column {
        grid-column: auto;
    }
}