:root{--bg:#f4f6fb;--card:#fff;--ink:#0f1b33;--sub:#5b6b8c;--line:#e3e8f2;--accent:#3b74f2;--accent-soft:#eaf1ff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b1324;--card:#121d33;--ink:#eef2fa;--sub:#9fb0cf;--line:#22304d;--accent:#5b8ef0;--accent-soft:#1a2a4a}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,"Malgun Gothic",sans-serif;line-height:1.6;letter-spacing:-0.01em;word-break:keep-all}
header{background:#0f1b33;color:#fff}
.bar{max-width:760px;margin:0 auto;padding:16px;display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.bar i{width:10px;height:10px;border-radius:50%;background:#4f8cff}
main{max-width:760px;margin:0 auto;padding:24px 16px 48px}
h1{font-size:28px;line-height:1.3;margin:8px 0 6px}
.lead{color:var(--sub);margin:0 0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:560px){.grid{grid-template-columns:minmax(0,1fr)}}
.grid>*{min-width:0}
label{display:block;font-size:14px;font-weight:600;color:var(--sub);margin-bottom:6px}
.field{display:flex;align-items:center;min-width:0;border:1.5px solid var(--line);border-radius:10px;padding:0 12px;background:var(--card)}
.field:focus-within{border-color:var(--accent)}
.field input,.field select{flex:1;width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:18px;font-weight:700;padding:12px 0}
.field select{font-size:16px;text-overflow:ellipsis}
.field span{color:var(--sub);font-weight:600}
.hint{font-size:12px;color:var(--sub);margin-top:4px}
.result{background:#0f1b33;color:#fff;border:0}
.result .cap{color:#9fb6e0;font-weight:600}
.result .net{font-size:clamp(30px,11vw,44px);font-weight:800;color:#6fa0ff;line-height:1.2;margin:4px 0;overflow-wrap:anywhere}
@media (max-width:400px){.card{padding:16px}main{padding:20px 16px 40px}h1{font-size:24px}.bar nav{gap:12px}th,td{padding:9px 4px;font-size:14px}}
.result .yr{color:#cfd9ee}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:right}
th:first-child,td:first-child{text-align:left}
thead th{color:var(--sub);font-weight:600;font-size:13px}
tr.sum td{font-weight:800;border-bottom:0}
tr.me td{background:var(--accent-soft);font-weight:700}
h2{font-size:20px;margin:28px 0 10px}
.muted{color:var(--sub);font-size:13px}
.scroll{overflow-x:auto}
footer{border-top:1px solid var(--line);color:var(--sub);font-size:13px;text-align:center;padding:24px 16px}
.bar a{color:#fff;text-decoration:none}
.bar nav{margin-left:auto;display:flex;gap:16px;font-size:15px;font-weight:600}
.bar nav a{color:#cfd9ee}.bar nav a:hover{color:#fff}
article p,article li{color:var(--ink)}
.cta{display:inline-block;background:var(--accent);color:#fff;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:700}
footer a{color:inherit}