.areta-kalk {
    box-sizing: border-box;
    width: 100%;
    max-width: 980px;
    min-height: auto;
    margin: 0 auto 28px;
    padding: 24px 26px;
    color: #ffffff;
    background: linear-gradient(145deg, rgba(14, 47, 31, 0.96), rgba(4, 18, 13, 0.98));
    border: 1px solid rgba(115, 172, 132, 0.28);
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.16);
    font-family: inherit;
    --areta-kalk-fg: #ffffff;
    outline: none;
}

.areta-kalk *,
.areta-kalk *::before,
.areta-kalk *::after {
    box-sizing: border-box;
}

.areta-kalk-displays {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
    padding: 16px;
    background: rgba(2, 16, 10, 0.62);
    border: 1px solid rgba(115, 172, 132, 0.22);
    border-radius: 8px;
}

.areta-kalk-display-row {
    display: grid;
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    gap: 10px 14px;
    align-items: center;
}

.areta-kalk-display-label {
    color: #e0b75c;
    font-weight: 900;
}

.areta-kalk-display-val {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    align-items: center;
    justify-content: flex-end;
    min-height: 60px;
    margin: 0;
    padding: 10px 12px;
    color: #ffffff;
    background: #03100b;
    border: 1px solid rgba(115, 172, 132, 0.2);
    border-radius: 8px;
    font-size: 1.18rem;
    font-weight: 900;
    text-align: right;
    overflow-x: auto;
    word-break: break-all;
}

.areta-kalk-display-val[data-areta-kalk-line="areta"] {
    min-height: 76px;
}

.areta-kalk-display-val[data-areta-kalk-line="areta"] .areta-kalk-glyph-slot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    max-width: 100%;
}

.areta-kalk-display-val[data-areta-kalk-line="areta"] svg {
    display: block;
    width: auto;
    max-height: 78px;
}

.areta-kalk-sign-pref {
    font-size: 1.45rem;
    font-weight: 900;
}

.areta-kalk-entry-wrap {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px 12px;
    align-items: center;
    margin-bottom: 16px;
}

.areta-kalk-entry-label {
    color: #e0b75c;
    font-weight: 900;
}

.areta-kalk-entry {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
    min-height: 54px;
    padding: 10px 12px;
    background: rgba(2, 16, 10, 0.62);
    border: 1px solid rgba(115, 172, 132, 0.22);
    border-radius: 8px;
}

.areta-kalk-entry-symbol {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.1rem;
    min-height: 1.8rem;
}

.areta-kalk-entry-digit svg {
    width: 30px;
    height: 24px;
}

.areta-kalk-entry-op svg {
    width: 20px;
    height: 20px;
}

.areta-kalk-buttons {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.areta-kalk-buttons button {
    min-height: 54px;
    padding: 0;
    color: #e0b75c;
    background: #03100b;
    border: 1px solid rgba(115, 172, 132, 0.28);
    border-radius: 8px;
    font: inherit;
    font-size: 1.08rem;
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.08s ease, border-color 0.14s ease, color 0.14s ease, background-color 0.14s ease;
}

.areta-kalk-buttons button:hover,
.areta-kalk-buttons button:focus-visible {
    color: #ffe7a4;
    background: rgba(58, 56, 25, 0.84);
    border-color: rgba(224, 183, 92, 0.72);
}

.areta-kalk-buttons button:active {
    transform: scale(0.98);
}

.areta-kalk-op svg {
    width: 52px;
    height: 52px;
    vertical-align: middle;
}

.areta-kalk-op--clear {
    letter-spacing: 0.04em;
}

.areta-kalk-digit {
    display: flex;
    align-items: center;
    justify-content: center;
}

.areta-kalk-digit svg {
    display: block;
    width: 44px;
    height: 36px;
}

.areta-kalk-buttons button.areta-kalk-equals {
    grid-column: span 4;
    color: #ffe7a4;
    background: linear-gradient(180deg, rgba(58, 56, 25, 0.96), rgba(32, 42, 22, 0.96));
    border-color: rgba(224, 183, 92, 0.72);
}

.areta-kalk-note {
    margin: 0;
    color: #c9d8ce;
    font-size: 0.92rem;
    line-height: 1.45;
}

.areta-kalk--err .areta-kalk-entry {
    border-color: rgba(255, 134, 134, 0.7);
    box-shadow: 0 0 0 2px rgba(255, 134, 134, 0.16);
}

@media (max-width: 720px) {
    .areta-kalk {
        padding: 18px 14px;
    }

    .areta-kalk-display-row,
    .areta-kalk-entry-wrap {
        grid-template-columns: 1fr;
    }

    .areta-kalk-display-val {
        justify-content: flex-start;
        text-align: left;
    }

    .areta-kalk-buttons {
        gap: 8px;
    }
}