.ieee-tool {
    width: 100%;
    min-width: 0;
    text-align: start;
}

.ieee-tool__panel,
.ieee-tool__input-panel,
.ieee-tool__options {
    display: grid;
    gap: 1rem;
    min-width: 0;
}

.ieee-tool__choice {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.ieee-tool__choice legend {
    width: 100%;
    margin-bottom: 0.25rem;
    color: var(--color-heading);
    font-weight: 700;
}

.ieee-tool__choice--compact {
    padding: 0.85rem 1rem;
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-control-radius);
    background: var(--color-table-bg);
}

.ieee-tool__radio {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.25rem;
    color: var(--color-text);
    cursor: pointer;
}

.ieee-tool__radio input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    accent-color: var(--color-accent);
}

.ieee-tool__input-panel {
    gap: 0.45rem;
}

.ieee-tool__label {
    color: var(--color-heading);
    font-weight: 700;
}

.ieee-tool__input-panel .tool-control {
    min-width: 0;
    margin: 0;
}

.ieee-tool__input-panel .tool-hint,
.ieee-tool__error {
    margin: 0;
    line-height: 1.5;
}

.ieee-tool__error {
    color: var(--color-error);
    font-weight: 600;
}

.ieee-tool__options {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
    align-items: start;
}

.ieee-tool__actions {
    display: flex;
    justify-content: flex-end;
}

.ieee-tool__results {
    display: grid;
    gap: var(--tool-gap);
    min-width: 0;
}

.ieee-tool__results > h2 {
    margin: 0;
}

.ieee-card {
    display: grid;
    gap: 1rem;
    min-width: 0;
}

.ieee-card__header {
    display: flex;
    flex-wrap: wrap;
    align-items: start;
    justify-content: space-between;
    gap: 0.75rem 1.25rem;
    min-width: 0;
}

.ieee-card__header h3,
.ieee-card__header p {
    margin: 0;
}

.ieee-card__header h3 {
    color: var(--color-heading);
    font-size: 1.2rem;
}

.ieee-card__header p {
    margin-top: 0.2rem;
    color: var(--color-subtext);
}

.ieee-card__classification {
    max-width: 100%;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--tool-border-strong);
    border-radius: 999px;
    color: var(--color-heading);
    font-weight: 700;
    overflow-wrap: anywhere;
}

.ieee-card__bit-fields {
    display: grid;
    grid-template-columns: minmax(4.5rem, 0.6fr) minmax(6rem, 1fr) minmax(0, 2.5fr);
    gap: 0.5rem;
    min-width: 0;
}

.ieee-card__field {
    display: grid;
    align-content: start;
    gap: 0.45rem;
    min-width: 0;
    padding: 0.65rem;
    border: 2px solid var(--tool-border-strong);
    border-radius: 0.65rem;
    background: var(--color-table-bg);
}

.ieee-card__field--sign {
    border-style: solid;
}

.ieee-card__field--exponent {
    border-style: double;
}

.ieee-card__field--fraction {
    border-style: dashed;
}

.ieee-card__field-label {
    color: var(--color-heading);
    font-size: 0.82rem;
    font-weight: 700;
}

.ieee-card__field-label > span {
    display: block;
    color: var(--color-subtext);
    font-weight: 500;
}

.ieee-card__field code {
    display: block;
    min-width: 0;
    color: var(--color-text);
    font-size: clamp(0.78rem, 1.5vw, 0.95rem);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.035em;
    line-height: 1.7;
    overflow-wrap: anywhere;
    word-break: break-all;
}

.ieee-card__copy-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    min-width: 0;
}

.ieee-card__copy-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.45rem 0.75rem;
    min-width: 0;
    padding: 0.75rem;
    border: 1px solid var(--tool-border);
    border-radius: 0.65rem;
}

.ieee-card__copy-item > span {
    grid-column: 1 / -1;
    color: var(--color-subtext);
    font-size: 0.875rem;
    font-weight: 600;
}

.ieee-card__hex {
    min-width: 0;
    color: var(--color-heading);
    font-size: 1rem;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.ieee-card__copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    max-width: 100%;
    padding-inline: 0.65rem;
    font-size: 0.875rem;
}

.ieee-card__copy svg {
    flex: 0 0 auto;
}

.ieee-card__details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem 1rem;
    margin: 0;
    min-width: 0;
}

.ieee-card__details > div {
    display: grid;
    grid-template-columns: minmax(8rem, 0.85fr) minmax(0, 1.15fr);
    gap: 0.5rem;
    min-width: 0;
    padding-block: 0.55rem;
    border-bottom: 1px solid var(--tool-border);
}

.ieee-card__details > div[data-comparison-row],
.ieee-card__details > div:last-child {
    grid-column: 1 / -1;
}

.ieee-card__details dt,
.ieee-card__details dd {
    min-width: 0;
    margin: 0;
}

.ieee-card__details dt {
    color: var(--color-subtext);
    font-weight: 600;
}

.ieee-card__details dd {
    overflow-wrap: anywhere;
    color: var(--color-heading);
}

.ieee-card__value {
    font-weight: 700;
}

.ieee-card__exact {
    min-width: 0;
    padding-top: 0.5rem;
    border-top: 1px solid var(--tool-border);
}

.ieee-card__exact summary {
    color: var(--color-heading);
    font-weight: 600;
    cursor: pointer;
}

.ieee-card__exact-value {
    display: block;
    max-width: 100%;
    margin-top: 0.65rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    background: var(--color-table-bg);
    color: var(--color-text);
    font-size: 0.875rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
    word-break: break-all;
}

.ieee-card__copy:focus-visible,
.ieee-card__exact summary:focus-visible,
.ieee-tool__radio:focus-within {
    outline: 3px solid var(--tool-control-focus);
    outline-offset: 2px;
}

.ieee-card[hidden],
.ieee-tool__results[hidden],
.ieee-tool__input-panel[hidden],
.ieee-card__exact[hidden] {
    display: none;
}

@media (max-width: 640px) {
    .ieee-card__bit-fields {
        grid-template-columns: minmax(0, 1fr);
    }

    .ieee-card__copy-grid,
    .ieee-card__details {
        grid-template-columns: minmax(0, 1fr);
    }

    .ieee-card__details > div[data-comparison-row],
    .ieee-card__details > div:last-child {
        grid-column: auto;
    }
}

@media (max-width: 380px) {
    .ieee-card__details > div {
        grid-template-columns: minmax(0, 1fr);
    }

    .ieee-card__copy {
        font-size: 0.8rem;
        padding-inline: 0.45rem;
    }
}