.kha {
    --kha-brand: #ff6c0e;
    --kha-ink: #273b4a;
    --kha-muted: #5a6d7c;
    --kha-line: #e4e8ec;
    --kha-paper: #ffffff;
    --kha-soft: #f6f7f8;
    width: 100%;
    margin: 12px 0 28px;
    font-family: inherit;
    color: var(--kha-ink);
}

.kha.is-embed {
    margin: 0;
}

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

.kha-card {
    background: var(--kha-paper);
    border: 1px solid var(--kha-line);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(39, 59, 74, 0.08);
}

.kha-head {
    padding: 32px 32px 8px;
}

.kha-kicker {
    margin: 0 0 8px;
    color: var(--kha-brand);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.kha-title {
    margin: 0;
    color: var(--kha-ink);
    font-size: clamp(28px, 3vw, 40px);
    line-height: 1.15;
    font-weight: 700;
}

.kha-lead {
    margin: 10px 0 0;
    max-width: 640px;
    color: var(--kha-muted);
    font-size: 16px;
    line-height: 1.5;
}

.kha-choices {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 22px 32px 8px;
}

.kha-choice {
    appearance: none;
    border: 1px solid #d5dce2;
    background: var(--kha-soft);
    color: var(--kha-ink);
    min-width: 92px;
    padding: 14px 18px;
    border-radius: 999px;
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.kha-choice:hover {
    border-color: var(--kha-brand);
    transform: translateY(-1px);
}

.kha-choice:focus-visible {
    outline: 3px solid rgba(255, 108, 14, 0.4);
    outline-offset: 2px;
}

.kha-choice.is-active {
    background: var(--kha-brand);
    border-color: var(--kha-brand);
    color: #fff;
    box-shadow: 0 10px 22px rgba(255, 108, 14, 0.28);
}

.kha-body {
    padding: 18px 32px 32px;
}

.kha-section-title {
    margin: 8px 0 14px;
    color: var(--kha-ink);
    font-size: 20px;
    font-weight: 700;
}

.kha-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--kha-line);
}

.kha-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0;
    border-bottom: 1px solid var(--kha-line);
}

.kha-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--kha-ink);
    font-size: 16px;
    line-height: 1.4;
}

.kha-index {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    margin-top: 1px;
    border-radius: 50%;
    background: #fff1e8;
    color: var(--kha-brand);
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.kha-value {
    flex: 0 0 auto;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
    color: var(--kha-ink);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
    min-width: 7ch;
    text-align: right;
}

.kha-value.is-changing {
    color: var(--kha-brand);
}

.kha-totals {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.kha-total {
    background: var(--kha-soft);
    border-radius: 16px;
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 112px;
}

.kha-total-year {
    background: var(--kha-brand);
}

.kha-total-year .kha-total-label,
.kha-total-year .kha-value {
    color: #fff;
}

.kha-total-year .kha-value.is-changing {
    color: #fff6ee;
}

.kha-total-person {
    background: #fff4ec;
    box-shadow: inset 0 0 0 1px rgba(255, 108, 14, 0.22);
}

.kha-saving {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 12px;
    padding: 18px 20px;
    border-radius: 16px;
    background: #3fae49;
    color: #fff;
}

.kha-saving-label {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.kha-saving .kha-value {
    color: #fff;
    font-size: clamp(28px, 3vw, 36px);
    padding-left: 0;
    text-align: right;
}

.kha-saving .kha-value.is-changing {
    color: #e9ffe8;
}

.kha-total-label {
    color: var(--kha-muted);
    font-size: 14px;
    line-height: 1.35;
    font-weight: 600;
}

.kha-total-value {
    font-size: clamp(26px, 2.4vw, 34px);
    margin-top: auto;
}

@media (max-width: 860px) {
    .kha-totals {
        grid-template-columns: 1fr;
    }

    .kha-head,
    .kha-choices,
    .kha-body {
        padding-left: 18px;
        padding-right: 18px;
    }

    .kha-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .kha-value {
        text-align: left;
        padding-left: 38px;
    }

    .kha-total-value {
        text-align: left;
        padding-left: 0;
    }
}