:root{color-scheme:dark;--paper:#05070c;--ink:#f5f7fb;--muted:#a6b2c6;--line:#29344a;--white:#0d121f;--wash:#111827;--error:#ff9f9f;--serif:var(--sans);--sans:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7;word-break:keep-all}a{color:inherit;text-underline-offset:4px}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #00f0ff;outline-offset:4px}input,textarea{width:100%;min-width:0;border:1px solid #44516c;border-radius:4px;padding:12px 14px;background:var(--white);color:var(--ink);font-size:16px;line-height:1.65;box-shadow:none}input{min-height:48px}textarea{resize:vertical;min-height:110px}input[aria-invalid=true],textarea[aria-invalid=true]{border:2px solid var(--error)}::placeholder{color:#96a3ba;opacity:1}fieldset{min-width:0}h1,h2,h3,p{margin-top:0}h1{font-family:var(--serif);font-size:clamp(34px,4.8vw,58px);font-weight:500;line-height:1.22;letter-spacing:-.045em;margin-bottom:18px}h2{font-size:22px;letter-spacing:-.03em;line-height:1.45}h3{font-size:18px;line-height:1.5}.shell{width:min(1160px,calc(100% - 64px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line)}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{color:#00f0ff;font-family:var(--sans);font-size:25px;font-weight:700;letter-spacing:-1px;text-decoration:none;white-space:nowrap}.site-nav{display:flex;flex-wrap:wrap;gap:24px}.site-nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;font-size:14px}.site-nav a:hover{text-decoration:underline}.skip-link{position:absolute;top:-100px;left:16px;background:var(--ink);color:white;padding:10px;z-index:3}.skip-link:focus{top:10px}.breadcrumb{padding-block:25px 12px;font-size:13px;color:var(--muted)}.intro{max-width:800px;padding-block:22px 34px}.eyebrow{font-size:12px;letter-spacing:.15em;font-weight:700;margin-bottom:16px}.lede{font-size:18px;color:var(--muted);max-width:660px;line-height:1.8;margin-bottom:20px}.privacy{font-size:13px;color:var(--muted);padding-left:13px;border-left:2px solid #546d88;max-width:680px}.workbench{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.94fr);gap:38px;align-items:start;border-top:2px solid var(--ink);padding-top:30px}.panel-heading{display:flex;justify-content:space-between;gap:15px;align-items:baseline;margin-bottom:22px}.panel-heading h2{margin:0}.step{font-family:var(--serif);font-size:16px;font-style:italic;color:var(--muted)}.field{margin-bottom:23px}.field label{display:block;font-weight:650;font-size:15px;margin-bottom:8px}.field-hint{font-size:13px;color:var(--muted);margin:7px 0 0}.required-note{font-size:13px;color:var(--muted);margin-bottom:22px}.field-error{font-size:13px;color:var(--error);margin:7px 0 0;overflow-wrap:anywhere}.field-error[hidden]{display:none}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-block:20px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 18px;border:1px solid var(--ink);border-radius:4px;font-weight:650;font-size:14px;text-decoration:none;background:transparent;color:var(--ink);line-height:1.6}.button.primary{background:#8b2cf5;border-color:#8b2cf5;color:#fff}.button:not(:disabled):hover{background:#18243b}.button.primary:not(:disabled):hover{background:#7120ce}.button.quiet{border-color:transparent;text-decoration:underline;text-underline-offset:4px;padding-inline:8px}.result-panel{background:var(--wash);padding:26px;border:1px solid #344158;border-radius:6px}.result-kicker{font-size:12px;color:var(--muted);margin:0 0 12px}.result-output{min-height:405px;background:var(--white);font-size:14px;line-height:1.9;overflow-wrap:anywhere;white-space:pre-wrap;word-break:break-word}.result-panel .actions{margin-bottom:0}.status{font-size:14px;color:var(--ink);min-height:28px;margin:18px 0 0;overflow-wrap:anywhere}.reading{display:grid;grid-template-columns:1fr 1fr;gap:38px;margin-block:52px 32px;padding-block:32px;border-top:1px solid var(--line)}.reading p{color:var(--muted);font-size:15px}.reading ul{padding-left:21px;color:var(--muted);font-size:14px}.reading li+li{margin-top:8px}.book-link{display:inline-flex;align-items:center;min-height:44px;font-weight:650;line-height:1.6;font-size:15px}.site-footer{border-top:1px solid var(--line);padding-block:26px 40px;font-size:13px;color:var(--muted)}.site-footer .shell{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.site-footer p{margin:0}.site-footer a{min-height:44px;display:inline-flex;align-items:center}.noscript{padding:18px;background:#2a2418;border:1px solid #8e6d3d}.sales-item{border:1px solid var(--line);border-radius:5px;padding:18px;margin:0 0 18px;background:#0d121f}.sales-item legend{font-size:13px;font-weight:700;padding-inline:6px}.item-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.sales-item .field{margin-bottom:13px}.sales-item .field.full{grid-column:1/-1}.item-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:10px;font-size:14px}.line-total{font-weight:700;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;word-break:break-all}.remove-item{min-height:44px;min-width:56px;padding:7px;border:0;background:transparent;color:var(--muted);text-decoration:underline;font-size:13px}.totals{margin:10px 0 22px}.total-row{display:flex;justify-content:space-between;gap:18px;padding-block:14px;border-bottom:1px solid #344158;font-size:14px}.total-row dt{color:var(--muted)}.total-row dd{margin:0;font-weight:650;text-align:right;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;word-break:break-all}.total-row.emphasis{display:block;border-bottom:0;padding-top:23px}.total-row.emphasis dd{text-align:left;font-family:var(--serif);font-size:35px;line-height:1.4;margin-top:5px}.calculation-note{font-size:14px;line-height:1.75}.boundary-note{font-size:13px;color:var(--muted);border-top:1px solid #344158;padding-top:16px}.settlement-output{min-height:220px}.details-label{display:block;font-size:13px;font-weight:650;margin:22px 0 8px}
@media(max-width:800px){.shell{width:calc(100% - 40px)}.header-inner{min-height:80px}.workbench{grid-template-columns:1fr;gap:28px}.intro{padding-top:14px}.reading{gap:24px}.result-output{min-height:340px}.result-panel{padding:22px}.site-nav{gap:18px}}
@media(max-width:480px){.shell{width:calc(100% - 32px)}.header-inner{flex-wrap:wrap;gap:0;padding-top:17px;padding-bottom:8px}.brand{font-size:24px;min-height:44px}.site-nav{width:100%;justify-content:flex-start;gap:24px}.site-nav a{font-size:13px}.breadcrumb{padding-top:18px}.intro{padding-bottom:25px}.lede{font-size:16px}.privacy{font-size:12px}.workbench{padding-top:23px}.panel-heading{margin-bottom:18px}.result-panel{padding:18px}.actions .button:not(.quiet){flex:1 1 115px}.reading{grid-template-columns:1fr;gap:22px;margin-top:34px;padding-top:25px}.sales-item{padding:13px}.item-grid{gap:10px}.item-grid input{padding-inline:10px}.total-row.emphasis dd{font-size:31px}.result-output{font-size:13px}.site-footer .shell{display:block}.site-footer p{margin-bottom:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.deposit-field{margin-top:28px}.field small{font-weight:400;color:var(--muted)}

/* Match the public Agent OS surface without changing tool behavior. */
h1{font-weight:600} .site-header{background:#05070c}.button{border-color:#44516c}.skip-link{background:#0d121f;color:#f5f7fb}.result-panel{box-shadow:none}.field-hint,.privacy,.field-error,.required-note{font-size:.875rem}