/* 레이아웃: 480px 단일 열 앱 셸 · 하단 고정 계산 버튼 · 입력 → 결과 한 화면 전환 */
:root{
  --bg:#f5f3ef; --card:#ffffff; --ink:#1c1917; --ink2:#44403c; --mute:#78716c; --line:#e7e5e4;
  --brand:#f59e0b; --brand-ink:#b45309; --brand-soft:#fff7e6; --brand-line:#fcd9a0;
  --warn:#b91c1c; --warn-soft:#fef2f2; --ok:#047857;
  --font:'Noto Sans KR',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#171412; --card:#221e1b; --ink:#f5f5f4; --ink2:#d6d3d1; --mute:#a8a29e; --line:#3a3430;
  --brand:#f59e0b; --brand-ink:#fbbf24; --brand-soft:#2d2416; --brand-line:#5c4417;
  --warn:#fca5a5; --warn-soft:#3a1d1d; --ok:#6ee7b7; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#171412; --card:#221e1b; --ink:#f5f5f4; --ink2:#d6d3d1; --mute:#a8a29e; --line:#3a3430;
  --brand:#f59e0b; --brand-ink:#fbbf24; --brand-soft:#2d2416; --brand-line:#5c4417;
  --warn:#fca5a5; --warn-soft:#3a1d1d; --ok:#6ee7b7; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;word-break:keep-all}
.app{max-width:480px;margin:0 auto;padding:0 16px calc(96px + env(safe-area-inset-bottom,0px))}
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;display:flex;align-items:center;justify-content:space-between;height:56px;margin:0 -16px;padding:0 16px;background:var(--bg);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;color:var(--brand-ink)}
.chip{font-size:12px;font-weight:700;color:var(--brand-ink);background:var(--brand-soft);border:1px solid var(--brand-line);padding:4px 10px;border-radius:999px}
.hero{margin-top:16px;padding:20px;border-radius:18px;background:linear-gradient(135deg,#fbbf24,#f59e0b 55%,#ea580c);color:#fff}
.hero h1{margin:0 0 6px;font-size:25px;line-height:1.3;font-weight:800;text-wrap:balance}
.hero p{margin:0;font-size:15px}
.stack{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.card{background:var(--card);padding:18px 16px;border-radius:16px;border:1px solid var(--line)}
.h{display:flex;align-items:center;gap:8px;margin:0 0 2px;font-size:17px;font-weight:800}
.no{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;flex:none}
.sub{margin:0 0 14px;font-size:14px;color:var(--mute)}
.grid{display:grid;gap:8px}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}
.opt{position:relative;display:block;cursor:pointer}
.opt input{position:absolute;opacity:0;width:1px;height:1px}
.opt>span{display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:56px;height:100%;padding:12px;border:1.5px solid var(--line);border-radius:12px;background:var(--card)}
.g3 .opt>span{align-items:center;text-align:center;padding:10px 6px}
.t{font-size:16px;font-weight:700;color:var(--ink)}
.d{font-size:13px;color:var(--mute);line-height:1.35}
.opt input:checked+span{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 22%,transparent)}
.opt input:checked+span .t{color:var(--brand-ink)}
.opt input:focus-visible+span,.chk input:focus-visible{outline:3px solid #2563eb;outline-offset:2px}
.row>span{flex-direction:row;align-items:center;justify-content:space-between;gap:10px}
.rate{font-size:13px;font-weight:700;color:var(--brand-ink);background:var(--brand-soft);padding:4px 8px;border-radius:8px;white-space:nowrap}
.chk{display:flex;align-items:center;gap:12px;min-height:56px;padding:12px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer}
.chk+.chk{margin-top:8px}
.chk input{width:22px;height:22px;accent-color:var(--brand);flex:none}
.chk:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.note{display:flex;gap:8px;margin-top:12px;padding:12px;border-radius:12px;background:var(--bg);font-size:14px;color:var(--ink2)}
.note.warn{background:var(--warn-soft);color:var(--warn)}
.cta{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:linear-gradient(to top,var(--bg) 75%,transparent)}
.cta>div{max-width:448px;margin:0 auto}
.btn{display:flex;align-items:center;justify-content:center;width:100%;height:56px;border:0;border-radius:14px;background:var(--brand);color:#fff;font:800 18px var(--font);cursor:pointer;box-shadow:0 6px 16px rgba(245,158,11,.3)}
.btn.ghost{background:var(--card);color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.err{color:var(--warn);font-size:14px;font-weight:700;text-align:center;margin:0 0 6px}
details{background:var(--card);border-radius:16px;border:1px solid var(--line)}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;min-height:56px;padding:0 16px;font-weight:800}
summary::-webkit-details-marker{display:none}
summary::after{content:"＋";color:var(--mute)}details[open] summary::after{content:"－"}
.ref{padding:0 16px 16px;overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:9px 6px;border-bottom:1px solid var(--line);text-align:right}
th:first-child,td:first-child{text-align:left}
thead th{font-size:12px;color:var(--mute);font-weight:600}
h3{font-size:14px;margin:14px 0 2px}
.src{font-size:12px;color:var(--mute);margin-top:10px}
/* 결과 */
.sum{padding:22px 18px;border-radius:18px;background:var(--brand-soft);border:1.5px solid var(--brand-line)}
.sum .lbl{font-size:14px;color:var(--ink2);font-weight:600}
.sum .big{font-size:30px;font-weight:800;color:var(--brand-ink);line-height:1.25;font-variant-numeric:tabular-nums;margin:4px 0}
.sum .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.sum .tags span{font-size:13px;background:var(--card);border:1px solid var(--line);padding:3px 9px;border-radius:999px;color:var(--ink2)}
.kv{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.kv:last-child{border-bottom:0}.kv b{font-variant-numeric:tabular-nums;text-align:right}
.kv .k{color:var(--mute)}
ul.list{margin:6px 0 0;padding-left:20px;font-size:15px;color:var(--ink2)}
ul.list li+li{margin-top:4px}
a.link{color:var(--brand-ink);font-weight:700}
footer{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--mute);line-height:1.7}
@media (max-width:360px){.g3{grid-template-columns:1fr 1fr}.hero h1{font-size:22px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* ---- 사이트 확장 (2026-10-09) ---- */
body{margin:0}
[hidden]{display:none!important}
.bar a{text-decoration:none}
.navs{display:flex;gap:6px;overflow-x:auto;margin:10px -16px 0;padding:0 16px 2px;scrollbar-width:none}
.navs::-webkit-scrollbar{display:none}
.navs a{flex:none;display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink2);font-size:14px;font-weight:700;text-decoration:none}
.navs a[aria-current="page"]{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-ink)}
.notice{display:flex;gap:8px;padding:12px 14px;border-radius:12px;background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--ink2);font-size:14px}
.shop{border:1.5px dashed var(--line);background:var(--card);padding:18px 16px;border-radius:16px}
.shop-h{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px}
.adtag{font-size:12px;font-weight:700;color:var(--mute);border:1px solid var(--line);border-radius:6px;padding:2px 7px;white-space:nowrap}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chips a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:10px;border:1.5px solid var(--line);color:var(--ink);font-weight:700;font-size:14px;text-decoration:none;background:var(--card)}
.btn.dark{background:var(--ink);color:var(--bg);box-shadow:none;text-decoration:none}
.links{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.links a{display:flex;flex-direction:column;gap:2px;min-height:64px;padding:12px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);text-decoration:none}
.links a .t{font-size:15px}
footer a{color:var(--mute)}