:root {
    --saertex-calc-primary-color: #1B1B1B;
    --saertex-calc-border-color: #EDEDED;
    --saertex-calc-input-bg: #FFF;
    --saertex-calc-input-border-color: #9D9D9D;
    --saertex-calc-input-text-color: #1B1B1B;
    --saertex-calc-result-bg: #F5F5F5;
    --saertex-calc-default-bg: #fafafa;
    --saertex-calc-info-bg: #e8e8e8;
    --saertex-calc-error-color: #d32f2f;
    --saertex-calc-warning-color: #ff9800;
    --saertex-calc-text-color: #575757;
    --saertex-calc-label-color: #1B1B1B;
    --saertex-calc-spacing: 1rem
}

.saertex-calculator {
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--saertex-calc-text-color);
    box-sizing: border-box
}

.saertex-calculator *,.saertex-calculator *::before,.saertex-calculator *::after {
    box-sizing: border-box
}

.saertex-calculator__header {
    margin-bottom: calc(var(--saertex-calc-spacing) * 1.5)
}

.saertex-calculator__title {
    font-size: 1.5rem;
    font-weight: 300;
    margin: 0 0 var(--saertex-calc-spacing) 0;
    color: var(--saertex-calc-primary-color)
}

.saertex-calculator__tabs {
    display: inline-flex;
    gap: 0;
    margin-top: var(--saertex-calc-spacing)
}

.saertex-calculator__tab {
    text-transform: none!important;
    font-size: 1rem!important;
    white-space: normal
}

.saertex-calculator__tab:not(.saertex-calculator__tab--active) {
    background-color: var(--saertex-calc-border-color)!important;
    color: var(--saertex-calc-text-color)!important
}

.saertex-calculator__tab--active,.saertex-calculator__tab:not(.saertex-calculator__tab--active):hover {
    background-color: var(--saertex-calc-primary-color)!important;
    color: #FFF!important
}

.saertex-calculator__tab:focus {
    outline: 2px solid var(--saertex-calc-primary-color);
    outline-offset: 2px
}

.saertex-calculator__legend {
    display: none;
    gap: calc(var(--saertex-calc-spacing) * 1.5);
    margin-bottom: calc(var(--saertex-calc-spacing) * 1.5);
    flex-wrap: wrap;
    font-size: .75rem
}

.saertex-calculator__legend-item {
    display: flex;
    align-items: center;
    gap: 8px
}

.saertex-calculator__legend-box {
    width: 20px;
    height: 20px;
    border: 1px solid var(--e-global-color-accent)
}

.saertex-calculator__legend-box--input {
    background-color: var(--saertex-calc-input-bg)
}

.saertex-calculator__legend-box--result {
    background-color: var(--saertex-calc-result-bg)
}

.saertex-calculator__legend-box--default {
    background-color: var(--saertex-calc-default-bg)
}

.saertex-calculator__section {
    margin-bottom: calc(var(--saertex-calc-spacing) * 4)
}

.saertex-calculator__section-title {
    font-size: 1.125rem;
    font-weight: 300;
    margin: calc(var(--saertex-calc-spacing) * 4) 0 calc(var(--saertex-calc-spacing) * 2) 0;
    color: var(--saertex-calc-primary-color)
}

.saertex-calculator__grid {
    display: grid;
    grid-template-columns: 65fr 35fr;
    gap: calc(var(--saertex-calc-spacing) * 4)
}

.saertex-calculator__column {
    display: flex;
    flex-direction: column;
    gap: var(--saertex-calc-spacing)
}

.saertex-calculator__column--info {
    background-color: #FFF;
    gap: 0
}

.saertex-calculator__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative
}

.saertex-calculator__field-group {
    display: flex;
    flex-direction: column;
    gap: var(--saertex-calc-spacing)
}

.saertex-calculator__group-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    color: var(--saertex-calc-primary-color)
}

.saertex-calculator__label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--saertex-calc-label-color);
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-top: var(--saertex-calc-spacing)
}

.saertex-calculator__unit {
    font-weight: 400;
    font-size: .75rem;
    color: var(--saertex-calc-label-color)
}

.saertex-calculator__input,.saertex-calculator__select {
    width: 100%;
    padding: 15px 20px;
    font-size: 1rem;
    border-radius: 0;
    border: 1px solid var(--saertex-calc-input-border-color);
    background-color: var(--saertex-calc-input-bg)!important;
    color: var(--saertex-calc-input-text-color);
    transition: border-color 0.3s ease
}

.saertex-calculator__input:focus,.saertex-calculator__select:focus {
    outline: none;
    border-color: var(--saertex-calc-primary-color)
}

.saertex-calculator__input--default {
    background-color: var(--saertex-calc-default-bg)
}

.saertex-calculator__input--error {
    border-color: var(--saertex-calc-error-color);
    background-color: #fff5f5
}

.saertex-calculator__input--custom-density {
    margin-top: 8px
}

.saertex-calculator__error {
    font-size: .75rem;
    color: var(--saertex-calc-error-color);
    margin-top: 4px
}

.saertex-calculator__warning {
    padding: 12px;
    background-color: #fff3e0;
    border-left: 4px solid var(--saertex-calc-warning-color);
    color: #e65100;
    font-size: 13px;
    margin-bottom: var(--saertex-calc-spacing)
}

.saertex-calculator__info-box {
    background-color: #f9f9f9;
    padding: var(--saertex-calc-spacing);
    padding-left: calc(var(--saertex-calc-spacing) * 4);
    border: 1px solid var(--saertex-calc-border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    font-size: 0.8125rem;
    position: relative
}

.saertex-calculator__info-header {
    margin-bottom: 10px
}

.saertex-calculator__info-icon {
    background-color: #ffd700;
    color: #1B1B1B;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    position: absolute;
    left: -25px;
    top: 50%;
    transform: translateY(-50%)
}

.saertex-calculator__info-icon i {
    line-height: 1;
    font-size: 24px
}

.saertex-calculator__info-title {
    font-size: 16px!important;
    font-weight: 600!important;
    margin: 0;
    color: var(--saertex-calc-primary-color)
}

.saertex-calculator__info-content {
    margin-left: 0
}

.saertex-calculator__info-content p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    margin-block-end:0 !important;
}

.saertex-calculator__result-box {
    background-color: #FFF;
    padding: calc(var(--saertex-calc-spacing) * 2);
    border: 1px solid var(--saertex-calc-border-color)
}

.saertex-calculator__result-title {
    font-size: 13px;
    font-weight: 500;
    margin: 0 0 8px 0;
    color: var(--saertex-calc-label-color)
}

.saertex-calculator__result-title .saertex-calculator__unit {
    font-size: 0.9rem
}

.saertex-calculator__result {
    font-size: 20px;
    font-weight: 600;
    color: var(--saertex-calc-primary-color);
    padding: 8px;
    background-color: var(--saertex-calc-border-color);
    border-bottom: 4px solid #CCC;
    text-align: center;
    user-select: all
}

.saertex-calculator__results-inline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--saertex-calc-spacing);
    margin-top: var(--saertex-calc-spacing)
}

.saertex-calculator__results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
    gap: calc(var(--saertex-calc-spacing) * 4);
    margin-top: calc(var(--saertex-calc-spacing) * 1.5)
}

.saertex-calculator__results-grid--inline {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: var(--saertex-calc-spacing);
    align-items: start
}

.saertex-calculator__note {
    font-size: 12px;
    color: var(--saertex-calc-label-color);
    font-style: italic;
    margin: var(--saertex-calc-spacing) 0 0 0;
    line-height: 1.5
}

.saertex-calculator__actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: center;
    margin-top: calc(var(--saertex-calc-spacing) * 2)
}

.saertex-calculator__button {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    text-transform: lowercase;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap
}

.saertex-calculator__button--calculate {
    background-color: var(--saertex-calc-primary-color);
    color: #fff
}

.saertex-calculator__button--calculate:hover {
    background-color: #333
}

.saertex-calculator__button--reset {
    background-color: transparent;
    color: var(--saertex-calc-primary-color);
    border: 1px solid var(--saertex-calc-border-color);
    width: max-content
}

.saertex-calculator__button--reset:hover {
    background-color: var(--saertex-calc-default-bg);
    border-color: var(--saertex-calc-primary-color)
}

.saertex-calculator__button:focus {
    outline: 2px solid var(--saertex-calc-primary-color);
    outline-offset: 2px
}

.saertex-calculator__button:active {
    transform: translateY(1px)
}

@media screen and (max-width: 767px) {
    .saertex-calculator {
        padding:12px
    }

    .saertex-calculator__title {
        font-size: 20px
    }

    .saertex-calculator__tabs {
        display: flex;
        flex-direction: column;
        width: 100%
    }

    .saertex-calculator__tab {
        text-align: center
    }

    .saertex-calculator__legend {
        gap: var(--saertex-calc-spacing);
        font-size: 11px
    }

    .saertex-calculator__legend-box {
        width: 16px;
        height: 16px
    }

    .saertex-calculator__grid {
        grid-template-columns: 1fr;
        gap: var(--saertex-calc-spacing)
    }

    .saertex-calculator__results-inline {
        grid-template-columns: 1fr
    }

    .saertex-calculator__results-grid {
        grid-template-columns: 1fr
    }

    .saertex-calculator__results-grid--inline {
        grid-template-columns: 1fr
    }

    .saertex-calculator__actions {
        margin-top: var(--saertex-calc-spacing)
    }

    .saertex-calculator__section {
        padding: var(--saertex-calc-spacing)
    }
}

@media screen and (max-width: 480px) {
    .saertex-calculator__title {
        font-size:18px
    }

    .saertex-calculator__section-title {
        font-size: 16px
    }

    .saertex-calculator__tab {
        padding: 10px 12px;
        font-size: 13px
    }

    .saertex-calculator__result {
        font-size: 18px
    }
}

@media (prefers-reduced-motion:reduce) {
    .saertex-calculator *,.saertex-calculator *::before,.saertex-calculator *::after {
        animation-duration: 0.01ms!important;
        animation-iteration-count: 1!important;
        transition-duration: 0.01ms!important
    }
}

@media print {
    .saertex-calculator__button,.saertex-calculator__tabs {
        display: none
    }

    .saertex-calculator__content {
        display: block!important
    }

    .saertex-calculator {
        background: #fff;
        color: #000
    }
}

@media (prefers-contrast:high) {
    .saertex-calculator__input,.saertex-calculator__select,.saertex-calculator__result-box {
        border-width: 2px
    }

    .saertex-calculator__tab--active {
        outline: 2px solid var(--saertex-calc-primary-color)
    }
}