/* ==========================================================
   UFG Sandkasten-Rechner
   ========================================================== */

.ufg-sand-rechner {
    --ufg-green: #2F5D50;
    --ufg-green-dark: #1F3A32;
    --ufg-sage: #BFD8C1;
    --ufg-bg: #FAFAF8;
    --ufg-border: #D8E4DA;
    --ufg-text: #1F3A32;
    --ufg-muted: #5F6F67;

    margin: 2rem 0;
    padding: 24px;
    border: 1px solid var(--ufg-border);
    border-radius: 12px;
    background: var(--ufg-bg);
    color: var(--ufg-text);
    box-sizing: border-box;
}

.ufg-sand-rechner *,
.ufg-sand-rechner *::before,
.ufg-sand-rechner *::after {
    box-sizing: border-box;
}

.ufg-sand-rechner__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.ufg-sand-rechner__field label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
}

.ufg-sand-rechner__input-wrap {
    display: flex;
    align-items: center;
    border: 1px solid #C8D5CB;
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}

.ufg-sand-rechner__input {
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 10px 12px;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--ufg-text);
    font-size: 1rem;
}

.ufg-sand-rechner__input:focus {
    box-shadow: inset 0 0 0 2px var(--ufg-green);
}

.ufg-sand-rechner__input-wrap span {
    padding: 0 13px 0 4px;
    color: var(--ufg-muted);
}

.ufg-sand-rechner__field small {
    display: block;
    margin-top: 6px;
    color: var(--ufg-muted);
    font-size: 0.82rem;
}

.ufg-sand-rechner__result {
    margin-top: 24px;
    border-radius: 10px;
    background: #fff;
    overflow: hidden;
}

.ufg-sand-rechner__result-main {
    padding: 22px;
    text-align: center;
    background: var(--ufg-sage);
}

.ufg-sand-rechner__result-label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.95rem;
}

.ufg-sand-rechner__volume {
    display: block;
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    line-height: 1.15;
    color: var(--ufg-green-dark);
}

.ufg-sand-rechner__volume-m3 {
    display: block;
    margin-top: 4px;
    color: var(--ufg-muted);
}

.ufg-sand-rechner__result-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 18px;
    border-top: 1px solid #E6ECE7;
}

.ufg-sand-rechner__result-row strong {
    white-space: nowrap;
}

.ufg-sand-rechner__result-row--recommended {
    font-weight: 700;
}

.ufg-sand-rechner__bags {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px;
    background: #F1F6F2;
    color: var(--ufg-green-dark);
}

.ufg-sand-rechner__bags-number {
    font-size: 1.2rem;
}

.ufg-sand-rechner__formula {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--ufg-border);
    color: var(--ufg-muted);
    font-size: 0.92rem;
}

.ufg-sand-rechner__formula p {
    margin: 8px 0;
}

.ufg-sand-rechner__note {
    margin-top: 14px !important;
    font-size: 0.82rem;
}

/* Fehlermeldung */

.ufg-sand-rechner--error .ufg-sand-rechner__result {
    padding: 16px;
    border: 1px solid #D8B4B4;
    color: #7A3030;
}

/* Mobile */

@media (max-width: 700px) {
    .ufg-sand-rechner {
        padding: 18px;
    }

    .ufg-sand-rechner__grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .ufg-sand-rechner__result-row,
    .ufg-sand-rechner__bags {
        align-items: flex-start;
    }
}