.irhvac-hydi {
    direction: rtl;
    max-width: 860px;
    margin: 1rem auto;
    font-family: inherit;
    line-height: 1.75;
}

.irhvac-hydi *,
.irhvac-hydi *::before,
.irhvac-hydi *::after {
    box-sizing: border-box;
}

.irhvac-hydi__form,
.irhvac-hydi__result,
.irhvac-hydi__message,
.irhvac-hydi__details {
    border: 1px solid #d8dde3;
    border-radius: 8px;
    background: #fff;
}

.irhvac-hydi__form {
    padding: 1rem;
}

.irhvac-hydi__intro {
    margin: 0 0 1rem;
}

.irhvac-hydi__top-grid,
.irhvac-hydi__grid,
.irhvac-hydi__summary {
    display: grid;
    gap: 0.8rem 1rem;
}

.irhvac-hydi__top-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 1rem;
}

.irhvac-hydi__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.irhvac-hydi label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 0;
}

.irhvac-hydi label > span:first-child {
    font-weight: 600;
}

.irhvac-hydi input,
.irhvac-hydi select,
.irhvac-hydi button {
    font: inherit;
}

.irhvac-hydi input[type="text"],
.irhvac-hydi select {
    width: 100%;
    min-height: 42px;
    padding: 0.5rem 0.65rem;
    border: 1px solid #bfc6cd;
    border-radius: 6px;
    background: #fff;
}

.irhvac-hydi input[type="text"] {
    direction: ltr;
    text-align: left;
}

.irhvac-hydi input[type="text"]:focus,
.irhvac-hydi select:focus {
    outline: 2px solid rgba(30, 109, 181, 0.2);
    border-color: #1e6db5;
}

.irhvac-hydi small {
    color: #5f6872;
}

.irhvac-hydi__section {
    margin: 0 0 1rem;
    padding: 0.9rem;
    border: 1px solid #e1e5e9;
    border-radius: 7px;
}

.irhvac-hydi__section legend {
    padding: 0 0.45rem;
    font-weight: 700;
}

.irhvac-hydi__row.is-calculated input {
    border-color: #6287aa;
    background: #f5f9fc;
    font-weight: 700;
}

.irhvac-hydi__formula {
    margin: 0.9rem 0 0;
    padding: 0.55rem;
    border-top: 1px solid #e4e7ea;
    text-align: center;
    font-weight: 700;
}

.irhvac-hydi__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.irhvac-hydi__actions button {
    min-width: 120px;
    min-height: 42px;
    padding: 0.5rem 1rem;
    border: 1px solid #1e6db5;
    border-radius: 6px;
    cursor: pointer;
}

.irhvac-hydi__actions button[type="submit"] {
    background: #1e6db5;
    color: #fff;
}

.irhvac-hydi__actions .irhvac-hydi__reset {
    background: #fff;
    color: #1e6db5;
}

.irhvac-hydi__message,
.irhvac-hydi__result,
.irhvac-hydi__details {
    margin-top: 1rem;
    padding: 1rem;
}

.irhvac-hydi__message--error {
    border-color: #cf8d8d;
    background: #fff7f7;
}

.irhvac-hydi__message ul {
    margin-bottom: 0;
}

.irhvac-hydi__result h3 {
    margin-top: 0;
}

.irhvac-hydi__summary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.irhvac-hydi__summary div {
    padding: 0.8rem;
    border: 1px solid #dfe3e7;
    border-radius: 7px;
    background: #f8f9fa;
}

.irhvac-hydi__summary span,
.irhvac-hydi__summary strong {
    display: block;
}

.irhvac-hydi__summary strong {
    margin-top: 0.2rem;
    direction: ltr;
    text-align: right;
    overflow-wrap: anywhere;
}

.irhvac-hydi__details-line {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    margin-top: 0.9rem;
    padding-top: 0.8rem;
    border-top: 1px solid #e4e7ea;
}

.irhvac-hydi__details {
    padding: 0;
    overflow: hidden;
}

.irhvac-hydi__details summary {
    cursor: pointer;
    padding: 0.8rem 1rem;
    font-weight: 700;
    background: #f7f8f9;
}

.irhvac-hydi__details-body {
    padding: 0.9rem 1rem;
}

.irhvac-hydi__details-body > :first-child {
    margin-top: 0;
}

.irhvac-hydi__details-body > :last-child {
    margin-bottom: 0;
}

.irhvac-hydi__author {
    margin: 0.75rem 0 0;
    color: #5f6872;
    font-size: 0.92rem;
}

.irhvac-hydi [hidden] {
    display: none !important;
}

@media (max-width: 760px) {
    .irhvac-hydi__top-grid,
    .irhvac-hydi__grid,
    .irhvac-hydi__summary {
        grid-template-columns: 1fr;
    }

    .irhvac-hydi__form {
        padding: 0.75rem;
    }

    .irhvac-hydi__section {
        padding: 0.75rem;
    }
}