.wattarium-need-calculator {
    --wattarium-navy: #102A43;
    --wattarium-amber: #F2A900;
    --wattarium-teal: #0F766E;
    --wattarium-bg: #F6F8FA;
    --wattarium-text: #17212B;
    --wattarium-muted: #52606D;
    --wattarium-border: #D9E2EC;
    --wattarium-danger: #8B1E1E;
    color: var(--wattarium-text);
    font-family: inherit;
    max-width: 1080px;
    margin: 0 auto;
}

.wattarium-need-calculator *,
.wattarium-need-calculator *::before,
.wattarium-need-calculator *::after {
    box-sizing: border-box;
}

.wattarium-need-calculator__intro,
.wattarium-need-calculator__devices-card,
.wattarium-need-calculator__settings,
.wattarium-need-calculator__result,
.wattarium-need-calculator__warning,
.wattarium-need-calculator__method {
    border: 1px solid var(--wattarium-border);
    border-radius: 16px;
    background: #fff;
    padding: 24px;
    margin-bottom: 18px;
}

.wattarium-need-calculator__eyebrow {
    color: #9A6700;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    margin: 0 0 8px;
}

.wattarium-need-calculator h2,
.wattarium-need-calculator h3 {
    color: var(--wattarium-text);
    margin-top: 0;
}

.wattarium-need-calculator__heading-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
}

.wattarium-need-calculator__heading-row p,
.wattarium-need-calculator__limit-note,
.wattarium-need-calculator__hint {
    color: var(--wattarium-muted);
    font-size: .88rem;
}

.wattarium-need-calculator__add,
.wattarium-need-calculator__remove {
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    padding: 10px 14px;
}

.wattarium-need-calculator__add {
    background: var(--wattarium-amber);
    color: #1b1b1b;
    flex: 0 0 auto;
}

.wattarium-need-calculator__add:disabled {
    cursor: not-allowed;
    opacity: .55;
}

.wattarium-need-calculator__remove {
    background: #EEF2F5;
    color: var(--wattarium-text);
}

.wattarium-need-calculator button:focus-visible,
.wattarium-need-calculator input:focus-visible {
    outline: 3px solid rgba(242, 169, 0, .45);
    outline-offset: 2px;
}

.wattarium-need-calculator__device {
    display: grid;
    grid-template-columns: minmax(160px, 1.7fr) minmax(120px, 1fr) minmax(90px, .75fr) minmax(110px, .9fr) auto;
    gap: 12px;
    align-items: end;
    border-top: 1px solid var(--wattarium-border);
    padding: 16px 0;
}

.wattarium-need-calculator__device:first-child {
    border-top: 0;
}

.wattarium-need-calculator__field label {
    display: block;
    font-weight: 700;
    margin-bottom: 7px;
}

.wattarium-need-calculator__field > input,
.wattarium-need-calculator__input-wrap {
    width: 100%;
}

.wattarium-need-calculator__field > input,
.wattarium-need-calculator__input-wrap {
    border: 1px solid var(--wattarium-border);
    border-radius: 10px;
    background: #fff;
}

.wattarium-need-calculator__field > input {
    color: var(--wattarium-text);
    font: inherit;
    padding: 12px;
}

.wattarium-need-calculator__input-wrap {
    display: flex;
    align-items: center;
    overflow: hidden;
}

.wattarium-need-calculator__input-wrap:focus-within {
    border-color: var(--wattarium-teal);
    outline: 3px solid rgba(15, 118, 110, .18);
}

.wattarium-need-calculator__input-wrap input {
    appearance: textfield;
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--wattarium-text);
    font: inherit;
    padding: 12px;
    outline: 0;
}

.wattarium-need-calculator__input-wrap span {
    color: var(--wattarium-muted);
    font-weight: 700;
    padding: 0 12px;
}

.wattarium-need-calculator__error {
    color: var(--wattarium-danger);
    font-size: .8rem;
    min-height: 1.2em;
    margin: 5px 0 0;
}

.wattarium-need-calculator__settings {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.wattarium-need-calculator__hint {
    margin: 6px 0 0;
}

.wattarium-need-calculator__result {
    background: var(--wattarium-navy);
    border-color: var(--wattarium-navy);
    color: #fff;
}

.wattarium-need-calculator__result-label {
    color: #fff;
    font-size: .9rem;
    font-weight: 700;
    margin: 0;
    opacity: .85;
}

.wattarium-need-calculator__result-value {
    color: var(--wattarium-amber);
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    margin: 8px 0 18px;
}

.wattarium-need-calculator__metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.wattarium-need-calculator__metrics[hidden] {
    display: none;
}

.wattarium-need-calculator__metrics > div {
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 10px;
    padding: 12px;
}

.wattarium-need-calculator__metrics span,
.wattarium-need-calculator__metrics strong {
    display: block;
    color: #fff;
}

.wattarium-need-calculator__metrics span {
    font-size: .8rem;
    opacity: .75;
}

.wattarium-need-calculator__metrics strong {
    margin-top: 4px;
}

.wattarium-need-calculator__warning {
    background: #FFF7DF;
    border-color: #F3D480;
}

.wattarium-need-calculator__warning p {
    margin-bottom: 0;
}

.wattarium-need-calculator__disclaimer {
    border-left: 3px solid var(--wattarium-amber);
    color: var(--wattarium-muted);
    padding-left: 12px;
}

@media (max-width: 820px) {
    .wattarium-need-calculator__device {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .wattarium-need-calculator__field--name,
    .wattarium-need-calculator__remove-wrap {
        grid-column: 1 / -1;
    }

    .wattarium-need-calculator__metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .wattarium-need-calculator__intro,
    .wattarium-need-calculator__devices-card,
    .wattarium-need-calculator__settings,
    .wattarium-need-calculator__result,
    .wattarium-need-calculator__warning,
    .wattarium-need-calculator__method {
        border-radius: 12px;
        padding: 18px;
    }

    .wattarium-need-calculator__heading-row,
    .wattarium-need-calculator__settings,
    .wattarium-need-calculator__device,
    .wattarium-need-calculator__metrics {
        display: grid;
        grid-template-columns: 1fr;
    }

    .wattarium-need-calculator__field--name,
    .wattarium-need-calculator__remove-wrap {
        grid-column: auto;
    }

    .wattarium-need-calculator__add {
        width: 100%;
    }
}