.euracryl-calc-wrap {
    --eur-orange: #f5a623;
    --eur-orange-light: #ffd27a;
    --eur-orange-border: #cf8a16;
    --eur-red: #c92f35;
    --eur-red-soft: #fff1f1;
    --eur-border: #d9d9d9;
    --eur-text: #232323;
    --eur-muted: #666;
    width: min(100%, 980px);
    margin: 28px auto;
    color: var(--eur-text);
    font-family: inherit;
}

.euracryl-calc-wrap *,
.euracryl-calc-wrap *::before,
.euracryl-calc-wrap *::after {
    box-sizing: border-box;
}

.euracryl-calc {
    padding: 30px;
    border: 1px solid var(--eur-border);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 26px rgba(0, 0, 0, .07);
}

.euracryl-calc__header {
    text-align: center;
}

.euracryl-calc__header h2 {
    margin: 0 0 8px;
    font-size: clamp(27px, 4vw, 38px);
    line-height: 1.15;
    font-weight: 500;
}

.euracryl-calc__header p {
    margin: 0;
    color: var(--eur-muted);
    font-size: 15px;
}

.euracryl-calc__toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px 20px;
    margin-top: 18px;
}

.euracryl-calc__unit-switch {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding: 3px;
    border: 1px solid #d8d8d8;
    border-radius: 9px;
    background: #f7f7f7;
}

.euracryl-calc__toolbar-label {
    padding: 0 8px 0 6px;
    color: #555;
    font-size: 13px;
    font-weight: 700;
}

.euracryl-calc__unit-btn,
.euracryl-calc__install-btn,
.euracryl-install-modal button {
    font: inherit;
}

.euracryl-calc__unit-btn {
    min-width: 48px;
    padding: 7px 12px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: #555;
    font-weight: 800;
    cursor: pointer;
}

.euracryl-calc__unit-btn.is-active {
    background: var(--eur-orange);
    color: #1b1b1b;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .12);
}

.euracryl-calc__install-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 14px;
    border: 1px solid var(--eur-orange-border);
    border-radius: 8px;
    background: #fff8e9;
    color: #6d4800;
    font-weight: 800;
    cursor: pointer;
}

.euracryl-calc__install-btn[hidden] {
    display: none !important;
}

.euracryl-calc__image-wrap {
    margin: 34px auto 28px;
    text-align: center;
}

.euracryl-calc__image {
    display: block;
    width: min(100%, 790px);
    height: auto;
    margin: 0 auto;
}

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

.euracryl-calc__panel {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--eur-border);
    border-radius: 9px;
    background: #fff;
}

.euracryl-calc__panel h3 {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 800;
}

.euracryl-calc__control {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) 56px;
    align-items: stretch;
}

.euracryl-calc__symbol,
.euracryl-calc__unit {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border: 1px solid var(--eur-orange-border);
    background: var(--eur-orange-light);
    font-weight: 800;
}

.euracryl-calc__symbol {
    border-right: 0;
    border-radius: 8px 0 0 8px;
}

.euracryl-calc__unit {
    border-left: 0;
    border-radius: 0 8px 8px 0;
}

.euracryl-calc__input {
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 9px 12px !important;
    border: 1px solid var(--eur-orange-border) !important;
    border-radius: 0 !important;
    outline: 0;
    background: var(--eur-orange) !important;
    color: #111 !important;
    box-shadow: none !important;
    text-align: center;
    font-size: 20px !important;
    font-weight: 500;
    line-height: 1.1;
    -webkit-appearance: none;
    appearance: none;
}

.euracryl-calc__input:focus {
    position: relative;
    z-index: 1;
    outline: 3px solid rgba(245, 166, 35, .22);
    outline-offset: 1px;
}

.euracryl-calc__input.is-invalid {
    border-color: var(--eur-red) !important;
    outline: 3px solid rgba(201, 47, 53, .12);
}

.euracryl-calc__help {
    display: block;
    min-height: 34px;
    margin: 7px 0 7px;
    color: var(--eur-muted);
    font-size: 14px;
    line-height: 1.35;
}

.euracryl-calc__data-row {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) 54px;
    align-items: center;
    gap: 8px;
    min-height: 58px;
    border-bottom: 1px solid #ededed;
}

.euracryl-calc__data-row:last-child {
    border-bottom: 0;
}

.euracryl-calc__data-name {
    font-size: 17px;
    font-weight: 800;
}

.euracryl-calc__data-row strong {
    text-align: right;
    font-size: 17px;
    font-weight: 700;
}

.euracryl-calc__data-row > span:last-child {
    color: #555;
}

.euracryl-calc__error {
    margin-top: 22px;
    padding: 12px 16px;
    border: 1px solid #e7b5b8;
    border-radius: 7px;
    background: var(--eur-red-soft);
    color: #ad1f27;
    text-align: center;
    font-size: 16px;
    font-weight: 800;
}

.euracryl-calc__error[hidden] {
    display: none !important;
}

.euracryl-calc__result {
    margin-top: 14px;
    min-height: 160px;
    padding: 24px 18px;
    border: 1.5px solid var(--eur-red);
    border-radius: 8px;
    background: #fffafa;
    text-align: center;
}

.euracryl-calc__result-label {
    margin-bottom: 18px;
    font-size: 16px;
    font-weight: 800;
}

.euracryl-calc__result-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 12px;
    color: var(--eur-red);
}

.euracryl-calc__result-value > span:first-child {
    font-size: 25px;
    font-weight: 900;
}

.euracryl-calc__result-value strong {
    min-width: 70px;
    font-size: clamp(34px, 5vw, 48px);
    font-weight: 800;
    line-height: 1;
}

.euracryl-calc__result-value > span:last-child {
    font-size: 18px;
    font-weight: 800;
}

.euracryl-calc__pdf {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 64px;
    margin: 24px 0 0;
    padding: 14px 24px;
    border: 1px solid var(--eur-orange-border);
    border-radius: 8px;
    background: var(--eur-orange);
    color: #2b2b2b !important;
    box-shadow: 0 3px 10px rgba(0, 0, 0, .08);
    text-align: center;
    text-decoration: none !important;
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    transition: transform .15s ease, filter .15s ease;
}

.euracryl-calc__pdf:hover,
.euracryl-calc__pdf:focus {
    color: #111 !important;
    filter: brightness(.98);
    transform: translateY(-1px);
}

.euracryl-install-modal[hidden] {
    display: none !important;
}

.euracryl-install-modal {
    position: fixed;
    z-index: 999999;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
}

.euracryl-install-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .48);
}

.euracryl-install-modal__dialog {
    position: relative;
    width: min(100%, 420px);
    padding: 26px 24px 22px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .25);
    text-align: center;
}

.euracryl-install-modal__x {
    position: absolute;
    top: 8px;
    right: 10px;
    width: 38px;
    height: 38px;
    border: 0;
    background: transparent;
    color: #666;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.euracryl-install-modal__icon {
    display: grid;
    place-items: center;
    width: 66px;
    height: 66px;
    margin: 0 auto 14px;
    border-radius: 18px;
    background: var(--eur-orange);
    color: #1d1d1d;
    font-size: 34px;
    font-weight: 900;
}

.euracryl-install-modal__dialog h3 {
    margin: 0 0 10px;
    font-size: 23px;
}

.euracryl-install-modal__dialog p {
    margin: 0;
    color: #555;
    line-height: 1.5;
}

.euracryl-install-modal__actions {
    display: grid;
    gap: 9px;
    margin-top: 20px;
}

.euracryl-install-modal__primary,
.euracryl-install-modal__secondary {
    min-height: 46px;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 800;
    cursor: pointer;
}

.euracryl-install-modal__primary {
    border: 1px solid var(--eur-orange-border);
    background: var(--eur-orange);
    color: #111;
}

.euracryl-install-modal__secondary {
    border: 1px solid #ddd;
    background: #f7f7f7;
    color: #444;
}

body.euracryl-app-shell {
    margin: 0 !important;
    min-height: 100vh;
    background: #f4f4f4;
}

.euracryl-app-main {
    width: 100%;
    min-height: 100vh;
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
}

body.euracryl-app-shell .euracryl-calc-wrap {
    margin-top: 0;
    margin-bottom: 0;
}

@media (max-width: 720px) {
    /* Compact mobile layout: keep the complete calculation visible with less scrolling. */
    .euracryl-calc-wrap {
        margin: 10px auto;
    }

    .euracryl-calc {
        padding: 16px 10px;
        border-radius: 10px;
    }

    .euracryl-calc__header h2 {
        font-size: 26px;
    }

    .euracryl-calc__header p {
        font-size: 13px;
        line-height: 1.35;
    }

    .euracryl-calc__toolbar {
        justify-content: space-between;
        gap: 8px;
        margin-top: 14px;
    }

    .euracryl-calc__unit-btn {
        min-width: 42px;
        padding: 6px 10px;
    }

    .euracryl-calc__install-btn {
        display: inline-flex;
        padding: 7px 10px;
    }

    .euracryl-calc__image-wrap {
        margin: 18px -3px 12px;
    }

    .euracryl-calc__groups {
        grid-template-columns: 1fr;
        gap: 9px;
    }

    .euracryl-calc__panel {
        padding: 11px;
    }

    .euracryl-calc__control {
        grid-template-columns: 36px minmax(0, 1fr) 48px;
    }

    .euracryl-calc__symbol,
    .euracryl-calc__unit,
    .euracryl-calc__input {
        min-height: 42px;
    }

    .euracryl-calc__input {
        padding: 7px 9px !important;
        font-size: 18px !important;
    }

    .euracryl-calc__help {
        min-height: 0;
        margin: 5px 0 2px;
        font-size: 12.5px;
        line-height: 1.3;
    }

    .euracryl-calc__data-row {
        grid-template-columns: 30px minmax(0, 1fr) 42px;
        gap: 4px;
        min-height: 38px;
    }

    .euracryl-calc__data-name,
    .euracryl-calc__data-row strong {
        font-size: 14px;
    }

    .euracryl-calc__data-row > span:last-child {
        font-size: 12px;
    }

    .euracryl-calc__error {
        margin-top: 10px;
        padding: 9px 11px;
        font-size: 14px;
        line-height: 1.3;
    }

    .euracryl-calc__result {
        min-height: 108px;
        margin-top: 9px;
        padding: 16px 12px;
    }

    .euracryl-calc__result-label {
        margin-bottom: 10px;
        font-size: 14px;
    }

    .euracryl-calc__result-value {
        gap: 10px;
    }

    .euracryl-calc__result-value > span:first-child {
        font-size: 21px;
    }

    .euracryl-calc__result-value strong {
        min-width: 58px;
        font-size: 32px;
    }

    .euracryl-calc__result-value > span:last-child {
        font-size: 15px;
    }

    .euracryl-calc__pdf {
        min-height: 58px;
        margin-top: 12px;
        padding: 11px 14px;
        font-size: 14px;
    }
}

@media (min-width: 721px) {
    .euracryl-calc__install-btn {
        display: none !important;
    }
}