:root{color-scheme:light;--ink:#163341;--muted:#536b76;--line:#dce8eb;--accent:#087f83;--accent-dark:#00666b;--wash:#eef7f7;--error:#a52b31;--error-bg:#fff4f2}
*{box-sizing:border-box}body{margin:0;background:#f4f8f9;color:var(--ink);font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;font-size:16px;line-height:1.7}button,input{font:inherit}a{color:var(--accent-dark);text-underline-offset:4px}button,a,input,[tabindex]{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #e7aa31;outline-offset:4px}.page-shell{max-width:1160px;margin:auto;padding:0 28px}.site-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:27px 0;border-bottom:1px solid var(--line)}.brand{font-size:22px;font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:-.6px}.brand span{display:block;font-size:10px;letter-spacing:2.7px;color:var(--accent);line-height:1.4}.header-note{font-size:13px;color:var(--muted)}.intro{max-width:790px;padding:49px 0 30px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--accent-dark)}h1{font-size:clamp(30px,4vw,44px);line-height:1.3;letter-spacing:-1.5px;margin:12px 0 20px}p{margin:0 0 14px}.lead{font-size:18px;line-height:1.8;max-width:720px}.scope-note{font-size:14px;color:var(--muted);max-width:700px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;min-width:0;box-shadow:0 6px 30px #16334105}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:17px}.section-title>div{display:flex;align-items:center;gap:9px}h2{font-size:20px;line-height:1.5;margin:0}.step{color:var(--accent);font-size:12px;font-weight:800}.count{font-size:12px;color:var(--muted);background:var(--wash);padding:3px 9px;border-radius:20px;white-space:nowrap}.help{font-size:13px;color:var(--muted);line-height:1.75}.help strong{font-weight:600;color:var(--ink)}fieldset{padding:14px 15px 15px;margin:16px 0 0;border:1px solid var(--line);border-radius:11px;min-width:0}legend{font-size:13px;font-weight:700;padding:0 6px}.record-top{display:flex;justify-content:flex-end}.remove-row{font-size:12px;color:var(--muted);background:none;border:0;text-decoration:underline;text-underline-offset:3px;padding:0 0 8px;cursor:pointer}.remove-row:disabled{opacity:.45;cursor:default}.record-fields{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:12px}.field{min-width:0}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}.field label small{font-size:11px;font-weight:400;color:var(--muted)}input{width:100%;min-width:0;padding:10px 11px;border:1px solid #aebfc7;border-radius:7px;color:var(--ink);background:#fff;font-size:16px;font-variant-numeric:tabular-nums}input[aria-invalid="true"]{border-color:var(--error);background:var(--error-bg)}.field-error{font-size:12px;line-height:1.5;color:var(--error);margin:6px 0 0}.record-cost{display:block;font-size:12px;color:var(--muted);margin-top:10px;overflow-wrap:anywhere}.button{border:1px solid var(--line);border-radius:8px;padding:11px 14px;font-size:14px;font-weight:700;cursor:pointer;background:#fff;color:var(--ink)}.button:hover{background:#f0f7f7}.button:disabled{opacity:.5;cursor:default}.add-button{width:100%;margin-top:12px;background:#f6fafa;color:var(--accent-dark);border-style:dashed}.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:23px}.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.primary:hover{background:var(--accent-dark)}.secondary{background:#fff}.text-button{border:0;background:transparent;color:var(--muted);text-decoration:underline;text-underline-offset:4px;font-size:12px;cursor:pointer;padding:9px 0}.privacy-note{font-size:11px;color:var(--muted);padding-top:14px;margin:8px 0 0;border-top:1px solid var(--line)}.form-status{font-size:12px;color:var(--muted);margin:12px 0 0}.error-summary{background:var(--error-bg);border:1px solid #e7a4a4;border-radius:8px;padding:11px 14px;margin-top:15px;font-size:13px;color:var(--error)}.error-summary p{margin:0 0 4px}.error-summary a{color:var(--error)}.error-summary ul{margin:0;padding-left:18px}.main-result{background:var(--wash);border-radius:12px;padding:20px;margin:0 0 18px}.main-result dt{font-size:13px;color:var(--accent-dark);font-weight:700}.main-result dd{margin:6px 0 0;display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}.main-result strong{font-size:clamp(25px,3.1vw,38px);letter-spacing:-.8px;line-height:1.4;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.main-result dd>span{font-size:13px;color:var(--muted);white-space:nowrap}.totals{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:12px;margin:0 0 15px}.totals dt{font-size:12px;color:var(--muted)}.totals dd{font-size:19px;font-weight:700;margin:3px 0 0;overflow-wrap:anywhere;line-height:1.5;font-variant-numeric:tabular-nums}.totals small{font-size:12px;font-weight:400;margin-left:4px;color:var(--muted)}.rounding-note{padding-bottom:17px;border-bottom:1px solid var(--line)}h3{font-size:16px;margin:0 0 8px}.calculation-table-wrap{overflow-x:auto;margin:15px 0}table{width:100%;border-collapse:collapse;font-size:12px;min-width:340px;font-variant-numeric:tabular-nums}th,td{padding:9px 6px;border-bottom:1px solid var(--line)}th{font-weight:600;text-align:center;vertical-align:middle;background:#f6f9fa}th small{font-size:10px;font-weight:400;color:var(--muted)}td{text-align:right;vertical-align:middle;white-space:nowrap}tbody th{white-space:nowrap;font-size:11px}.suhak-math-block{background:#edf6fe;border:1px solid #d3e4f0;padding:15px 17px;border-radius:9px;overflow-x:auto;margin:16px 0}.suhak-math-block p:first-child{font-size:12px;color:var(--muted);margin:0 0 4px}.suhak-math-block p:last-child{font-size:14px;font-weight:700;margin:0;line-height:1.9;overflow-wrap:anywhere}.meaning-note{font-size:13px;margin:16px 0 0}.reading-note{max-width:780px;margin:32px 0 0;padding:24px 0;border-top:1px solid var(--line)}.reading-note h2{font-size:17px;margin-bottom:10px}.reading-note p{font-size:14px;color:var(--muted)}.reading-note a{font-size:14px;font-weight:700}.noscript{padding:15px;background:#fff4dd}footer{font-size:11px;color:var(--muted);padding:28px 0 34px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
@media(max-width:900px){.workspace{grid-template-columns:1fr}.result-panel{max-width:none}.main-result strong{font-size:34px}}@media(max-width:500px){.page-shell{padding:0 17px}.site-header{padding:20px 0}.intro{padding-top:32px}h1{font-size:31px}.lead{font-size:16px}.panel{padding:19px 16px;border-radius:13px}.record-fields{grid-template-columns:1fr}.main-result{padding:17px}.main-result strong{font-size:29px}.totals dd{font-size:17px}.totals{grid-template-columns:1fr}.actions{gap:8px}.actions .primary{width:100%}.header-note{font-size:11px}input{padding:11px}.scope-note{font-size:13px}}

/* Comfortable touch targets for the two small record controls. */
.remove-row,.text-button{min-height:44px;min-width:44px;padding:10px 4px;display:inline-flex;align-items:center;justify-content:center}