/* 공개 계산기 공통 스타일. 랜딩과 같은 토큰을 쓴다. */
:root{
  --bg:#FFFFFF; --surface:#F7F8FA; --card:#FFFFFF; --line:#E7E9EE;
  --ink:#16181D; --ink2:#4A4F5A; --ink3:#8B8D98;
  --primary:#2A78D6; --dividend:#1BAF7A;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#16171B; --surface:#1B1D22; --card:#1F2126; --line:#2C2F36;
    --ink:#F2F3F5; --ink2:#B9BDC6; --ink3:#8B8D98;
    --primary:#3987E5; --dividend:#2ECC94;
  }
}
:root[data-theme="dark"]{
  --bg:#16171B; --surface:#1B1D22; --card:#1F2126; --line:#2C2F36;
  --ink:#F2F3F5; --ink2:#B9BDC6; --ink3:#8B8D98;
  --primary:#3987E5; --dividend:#2ECC94;
}
:root[data-theme="light"]{
  --bg:#FFFFFF; --surface:#F7F8FA; --card:#FFFFFF; --line:#E7E9EE;
  --ink:#16181D; --ink2:#4A4F5A; --ink3:#8B8D98;
  --primary:#2A78D6; --dividend:#1BAF7A;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:'Apple SD Gothic Neo','Pretendard',-apple-system,BlinkMacSystemFont,
    'Segoe UI',Roboto,'Noto Sans KR',sans-serif;
  -webkit-font-smoothing:antialiased; line-height:1.65;
  font-variant-numeric:tabular-nums;
}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}

header{padding:36px 0 24px}
.home{color:var(--ink3);text-decoration:none;font-size:13px;font-weight:800}
.home:hover{color:var(--primary)}
h1{font-size:clamp(24px,5vw,32px);font-weight:900;letter-spacing:-1.2px;margin-top:12px}
.lede{color:var(--ink2);font-size:15px;margin-top:8px}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:20px;margin-bottom:16px;
}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink2);margin-bottom:6px}
.field input[type=number],.field input[type=text]{
  width:100%;padding:11px 12px;font-size:16px;border-radius:10px;
  border:1px solid var(--line);background:var(--bg);color:var(--ink);
  font-family:inherit;font-variant-numeric:tabular-nums;
}
.field input:focus{outline:2px solid var(--primary);outline-offset:-1px}
.hint{font-size:12px;color:var(--ink3);margin-top:4px}

.row{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.row label{width:104px;font-size:13px;color:var(--ink2);flex:none}
.row input[type=range]{flex:1;accent-color:var(--primary)}
.row .val{width:64px;text-align:right;font-weight:800;font-size:14px;flex:none}

.seg{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.seg button{
  padding:8px 14px;border-radius:9px;border:1px solid var(--line);
  background:transparent;color:var(--ink2);font-weight:700;font-size:13px;
  cursor:pointer;font-family:inherit;
}
.seg button[aria-pressed="true"]{
  background:color-mix(in srgb,var(--primary) 14%,transparent);
  border-color:var(--primary);color:var(--primary);
}

.result{background:var(--surface);border-radius:14px;padding:20px;margin-bottom:16px}
.result .big{
  font-size:clamp(28px,7vw,40px);font-weight:900;letter-spacing:-1.5px;
  color:var(--dividend);
}
.result .sub{color:var(--ink3);font-size:13px;margin-top:4px}
.result table{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}
.result th,.result td{padding:8px 4px;border-bottom:1px solid var(--line);text-align:right}
.result th:first-child,.result td:first-child{text-align:left}
.result th{color:var(--ink3);font-size:12px;font-weight:800}
.good{color:var(--dividend);font-weight:800}

.note{
  background:var(--surface);border-radius:12px;padding:14px 16px;
  color:var(--ink3);font-size:13px;line-height:1.6;margin-bottom:16px;
}
.cta{
  display:block;text-align:center;padding:15px;border-radius:12px;
  background:var(--primary);color:#fff;font-weight:800;text-decoration:none;
  font-size:15px;margin:8px 0 24px;
}

section.copy{margin:32px 0}
section.copy h2{font-size:19px;font-weight:800;letter-spacing:-.4px;margin:24px 0 8px}
section.copy p{color:var(--ink2);font-size:14.5px;margin-bottom:10px}
section.copy ul{color:var(--ink2);font-size:14.5px;margin:0 0 10px 20px}
section.copy li{margin-bottom:5px}
section.copy strong{color:var(--ink)}

footer{border-top:1px solid var(--line);margin-top:32px;padding:24px 0 56px;
  color:var(--ink3);font-size:13px}
footer a{color:var(--ink3)}
.theme-toggle{
  position:fixed;top:14px;right:14px;z-index:10;width:36px;height:36px;
  border-radius:10px;cursor:pointer;background:var(--card);
  border:1px solid var(--line);color:var(--ink2);font-size:16px;line-height:1;
}