.fka-hb{--hb-blue:#163f64;--hb-green:#0c786b;--hb-line:#dce5eb;max-width:980px;margin:18px auto 40px;font-family:inherit;color:#253b4d;font-size:15px;line-height:1.7}.fka-hb *{box-sizing:border-box}.fka-hb-hero{padding:30px 25px;background:linear-gradient(120deg,#143f63,#126a78);color:#fff;border-radius:16px 16px 0 0}.fka-hb-hero h2{font-size:clamp(23px,4vw,32px);color:#fff!important;margin:7px 0 12px;border:0!important;padding:0!important}.fka-hb-hero p{margin:0;color:#f1f8fa}.fka-hb-eyebrow{font-size:12px;letter-spacing:.06em}.fka-hb-content{background:#f6f9fb;border:1px solid var(--hb-line);border-top:0;padding:22px}.fka-hb-panel,.fka-hb-result{background:#fff;border:1px solid var(--hb-line);border-radius:12px;padding:22px;margin:0 0 18px;box-shadow:0 2px 10px rgba(20,50,70,.03)}.fka-hb h3,.fka-hb h4{background:none!important;border:0!important;padding:0!important;margin:0 0 15px!important;color:var(--hb-blue)!important}.fka-hb h3{font-size:20px!important}.fka-hb h4{font-size:17px!important;margin-top:20px!important}.fka-hb summary{font-size:18px;font-weight:700;color:var(--hb-blue);cursor:pointer;list-style:auto}.fka-hb details[open] summary{margin-bottom:14px}.fka-hb-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}.fka-hb-fields label{display:flex;flex-direction:column;font-weight:650;font-size:13px;gap:5px}.fka-hb input,.fka-hb select{width:100%;min-width:0;height:45px;border:1px solid #bacbd5;border-radius:7px;background:#fff;color:#182e3e;font-size:16px;padding:7px 11px;box-shadow:none}.fka-hb input:focus,.fka-hb select:focus{outline:2px solid #78b6c3;outline-offset:1px}.fka-hb [hidden]{display:none!important}.fka-hb-note{font-size:12px;color:#647687;line-height:1.8;margin:12px 0}.fka-hb-primary{background:#e9f5f3;border:1px solid #b7ddd5;border-radius:12px;padding:20px;text-align:center;display:flex;flex-direction:column;gap:5px}.fka-hb-primary span{font-weight:700}.fka-hb-primary strong{font-size:clamp(28px,5vw,40px);line-height:1.35;color:var(--hb-green)}.fka-hb-primary small{font-size:12px;color:#596f76}.fka-hb-kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0}.fka-hb-kpis>div{background:#f3f6f8;border-radius:9px;padding:13px;display:flex;flex-direction:column}.fka-hb-kpis span{font-size:12px;color:#526b7d}.fka-hb-kpis strong{font-size:20px;color:var(--hb-blue);overflow-wrap:anywhere}.fka-hb-breakdown{display:grid;gap:7px}.fka-hb-breakdown>div{display:flex;justify-content:space-between;border-bottom:1px solid #edf0f3;padding:5px 0;gap:12px}.fka-hb-warning{background:#fff3e9;border-left:4px solid #c57936;padding:12px;color:#774a25}.fka-hb-family{margin-top:22px;border-top:1px solid var(--hb-line);padding-top:2px}.fka-hb-family table{width:100%;border-collapse:collapse;font-size:13px}.fka-hb-family th,.fka-hb-family td{border-bottom:1px solid var(--hb-line);padding:8px;text-align:right}.fka-hb-family th:first-child,.fka-hb-family td:first-child{text-align:left}.fka-hb-family .fka-hb-scroll{overflow-x:auto}.fka-hb-family .fka-hb-family-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.fka-hb-family-cards>div{background:#f4f8fa;padding:12px;border-radius:9px}.fka-hb-family-cards strong{display:block;font-size:19px;color:var(--hb-blue)}.fka-hb-error{color:#a42121;background:#fff0f0;padding:10px;border-radius:7px}.fka-hb-disclaimer{font-size:12px;color:#607180;padding:5px 3px 18px;line-height:1.9}@media(max-width:650px){.fka-hb-content{padding:11px}.fka-hb-panel,.fka-hb-result{padding:15px}.fka-hb-fields{grid-template-columns:1fr;gap:12px}.fka-hb-kpis{gap:8px}.fka-hb-kpis strong{font-size:17px}.fka-hb-family .fka-hb-family-cards{grid-template-columns:1fr}.fka-hb-hero{padding:22px 16px}}
/* v0.2.0: clearer input groups; original calculation core retained */
.fka-hb .fka-hb-rent{border-top:4px solid #407db6}.fka-hb .fka-hb-purchase{border-top:4px solid #0e897a}.fka-hb .fka-hb-rent h3,.fka-hb .fka-hb-purchase h3{margin-bottom:4px!important}.fka-hb-subgroup{padding:16px;border-radius:10px;margin:14px 0;border:1px solid transparent}.fka-hb-subgroup h4{margin:0 0 10px!important;font-size:15px!important}.fka-hb-income{background:#edf5fc;border-color:#d2e3f2}.fka-hb-expense{background:#fff5ec;border-color:#f3ddc7}.fka-hb-assets{background:#f3f5f8;border-color:#dfe5ed}.fka-hb-income h4{color:#235d90!important}.fka-hb-expense h4{color:#925522!important}.fka-hb-nested{padding:14px;border:1px solid #dce5eb;border-radius:10px;margin-top:16px}.fka-hb-nested summary{font-size:15px}.fka-hb-nested[open] summary{margin-bottom:15px}.fka-hb-purchase-summary{margin:14px 0;padding:12px 16px;border:1px solid #d7e5e9;background:#f7fafb;border-radius:10px}.fka-hb-purchase-summary>div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #e5ecef;padding:5px 0}.fka-hb-purchase-summary>div:last-child{border-bottom:0}.fka-hb-purchase-summary strong{color:#163f64}.fka-hb input[data-money]{font-variant-numeric:tabular-nums}
@media(max-width:650px){.fka-hb-subgroup{padding:12px}.fka-hb-purchase-summary>div{font-size:13px}}

/* v0.2.1: presentation only; calculation core unchanged */
.fka-hb .fka-hb-optional{list-style:none;counter-increment:none!important}
.fka-hb .fka-hb-optional>summary{display:list-item;list-style:none!important;counter-increment:none!important}
.fka-hb .fka-hb-optional>summary::before,.fka-hb .fka-hb-optional>summary::after,.fka-hb .fka-hb-nested>summary::before{content:none!important;display:none!important}
.fka-hb .fka-hb-optional>summary::marker,.fka-hb .fka-hb-nested>summary::marker{content:''!important}
.fka-hb .fka-hb-optional>summary{position:relative;padding-left:23px}
.fka-hb .fka-hb-optional>summary:before{content:'▸'!important;display:block!important;position:absolute;left:1px;top:0;color:#42667b}
.fka-hb .fka-hb-optional[open]>summary:before{content:'▾'!important}
.fka-hb .fka-hb-closed-summary{margin:6px 0 0;color:#557487;font-size:12px}
.fka-hb .fka-hb-optional[open]>.fka-hb-closed-summary{display:none}
.fka-hb-monthly-compare{margin:14px 0;padding:16px;background:#f0f7fb;border:1px solid #cbdfea;border-radius:10px;text-align:center}
.fka-hb-monthly-compare>span{display:block;font-size:13px;font-weight:700;color:#214c6b}
.fka-hb-monthly-compare>div{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;margin:5px 0}
.fka-hb-monthly-compare strong{font-size:clamp(19px,3.2vw,25px);color:#164e70}
.fka-hb-monthly-compare b{font-size:24px;color:#588196}
.fka-hb-monthly-compare small{font-size:12px;color:#617786}
.fka-hb-family-extra{margin:14px 0;border:1px solid #dbe5eb;border-radius:9px;padding:12px 14px;background:#fbfdfe}
.fka-hb-family-extra>summary{font-size:14px;font-weight:700;list-style:disclosure-closed}
.fka-hb-family-extra[open]>summary{margin-bottom:8px}
.fka-hb-family-extra p{margin:8px 0}