.riter-calculator-wrap {
    background: #00264d;
    color: #ffffff;
    padding: 28px 24px 18px;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

.riter-calculator-header {
    margin-bottom: 18px;
}

.riter-calculator-header h2 {
    margin: 0 0 6px;
    color: #ffffff;
    font-size: 30px;
    line-height: 1.1;
    font-weight: 700;
    text-transform: uppercase;
}

.riter-calculator-header p {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 14px;
    line-height: 1.5;
}

.riter-calc-section {
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 18px;
    margin-bottom: 22px;
}

.riter-calc-section-title {
    margin: 0 0 18px;
    font-size: 18px;
    line-height: 1.3;
    font-weight: 700;
    color: #ffffff;
}

.riter-subtitle--auto {
    font-style: italic;
    opacity: 0.85;
}

.riter-calc-subsection {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding-top: 18px;
    margin-top: 18px;
}

.riter-calc-subsection:first-of-type {
    border-top: 0;
    padding-top: 0;
    margin-top: 0;
}

.riter-calc-subsection-title,
.riter-results-title {
    margin: 0 0 14px;
    color: #ffffff;
    font-size: 15px;
    line-height: 1.2;
    font-weight: 700;
}

.riter-calc-two-col {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
}

.riter-calc-col {
    min-width: 0;
}

.riter-calc-col--results {
    border-left: 1px solid rgba(255, 255, 255, 0.18);
    padding-left: 28px;
}

.riter-field,
.riter-result-row {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 160px;
    gap: 16px;
    align-items: center;
    margin-bottom: 14px;
}

.riter-field label,
.riter-result-row label {
    margin: 0;
    color: #ffffff;
    font-size: 13px;
    line-height: 1.3;
    font-weight: 400;
}

.riter-input-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.riter-input-inline input {
    width: 100px !important;
    min-width: 100px;
    max-width: 100px;
    height: 28px;
    border: 1px solid #d9d9d9;
    background: #ffffff;
    color: #111111;
    padding: 2px 6px;
    font-size: 13px;
    line-height: 1;
    box-sizing: border-box;
    border-radius: 0;
    box-shadow: none;
    margin: 0;
}

.riter-input-inline input[readonly] {
    background: #ffffff;
    color: #111111;
    font-weight: 600;
}

.riter-input-inline span {
    min-width: 34px;
    color: #ffffff;
    font-size: 12px;
    line-height: 1.1;
    opacity: 0.95;
}

.riter-input-inline input:focus {
    outline: none;
    border-color: #ffffff;
}

.riter-calc-note {
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 12px;
    line-height: 1.5;
}

@media (max-width: 900px) {
    .riter-calc-two-col {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .riter-calc-col--results {
        border-left: 0;
        padding-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.18);
        padding-top: 18px;
    }

    .riter-field,
    .riter-result-row {
        grid-template-columns: 1fr;
        gap: 8px;
        align-items: start;
    }

    .riter-input-inline input {
        width: 120px !important;
        min-width: 120px;
        max-width: 120px;
    }
}