/* 레이아웃: 휴대폰 기준 한 줄 칼럼(최대 760px). 조건 입력 → 추천 계획(나눠 쓰기) 요약 + 목록 → 가장 길게 쉬기 → 12개월 달력(공휴일·연차 표시) → 자주 묻는 질문. 사이트 공통의 종이·먹·붉은 톤 */
:root{
  --paper:#eef0f3;
  --card:#ffffff;
  --ink:#1b2130;
  --muted:#5b6474;
  --line:#d9dde5;
  --seal:#b8293a;
  --seal-soft:#f8e6e8;
  --leave:#1f6fb2;
  --leave-soft:#e2eef9;
  --weekend:#8a93a3;
  --font-display:"Gowun Batang","Nanum Myeongjo",serif;
  --font-body:"IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#11141a; --card:#1a1f28; --ink:#e7e9ee; --muted:#9aa3b2; --line:#2c3340;
    --seal:#ec5d69; --seal-soft:#3a1d23; --leave:#6aaeea; --leave-soft:#16283a; --weekend:#7d8696; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#11141a; --card:#1a1f28; --ink:#e7e9ee; --muted:#9aa3b2; --line:#2c3340;
  --seal:#ec5d69; --seal-soft:#3a1d23; --leave:#6aaeea; --leave-soft:#16283a; --weekend:#7d8696; color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6}
main{max-width:760px;margin:0 auto;padding:28px 16px 48px;display:flex;flex-direction:column;gap:20px}
h1,h2{font-family:var(--font-display);text-wrap:balance;margin:0;line-height:1.3}
h1{font-size:1.9rem}
h2{font-size:1.2rem}
p{margin:0}
.lede{color:var(--muted);max-width:36em}
header{display:flex;flex-direction:column;gap:8px}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--seal);outline-offset:2px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:14px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:end}
@media (max-width:560px){.grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px}
label{font-size:.85rem;font-weight:600}
.hint{font-size:.8rem;color:var(--muted)}
input[type=number],select{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:9px 10px;width:100%;font-variant-numeric:tabular-nums}
.unit{display:flex;align-items:center;gap:6px}
.unit span{font-size:.85rem;color:var(--muted)}
.check{display:flex;gap:8px;align-items:center;font-size:.9rem}
.check input{width:18px;height:18px;accent-color:var(--seal)}
.stepper{display:flex;gap:6px}
.stepper button{font:inherit;width:40px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);cursor:pointer;font-size:1.1rem}

.summary{position:relative;overflow:hidden}
.summary::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--seal)}
.big{font-family:var(--font-display);font-size:2.6rem;font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums}
.big small{font-size:1.2rem;font-weight:400}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.kpi{border:1px solid var(--line);border-radius:8px;padding:8px 10px;display:flex;flex-direction:column}
.kpi span{font-size:.76rem;color:var(--muted)}
.kpi b{font-variant-numeric:tabular-nums;font-size:1.05rem}
.plans{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.plan{border:1px solid var(--line);border-left:4px solid var(--seal);border-radius:8px;padding:10px 12px;display:grid;grid-template-columns:1fr auto;gap:4px 12px}
.plan b{font-size:1rem}
.plan .len{font-family:var(--font-display);font-weight:700;font-size:1.4rem;font-variant-numeric:tabular-nums;grid-row:1 / span 2;grid-column:2;align-self:center;text-align:right}
.plan .len small{display:block;font-family:var(--font-body);font-size:.75rem;font-weight:500;color:var(--muted)}
.plan .sub{font-size:.85rem;color:var(--muted)}
.plan .leave{font-size:.85rem;color:var(--leave);font-weight:600}
.empty{color:var(--muted);font-size:.9rem}

/* 달력 */
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--muted)}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:4px;vertical-align:-1px}
.months{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:640px){.months{grid-template-columns:repeat(2,1fr)}}
@media (max-width:400px){.months{grid-template-columns:1fr}}
.month h3{font-size:.9rem;margin:0 0 4px;font-family:var(--font-body);font-weight:600}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;font-size:.72rem;text-align:center;font-variant-numeric:tabular-nums}
.cal .dow{color:var(--muted);font-weight:600}
.cal .d{padding:3px 0;border-radius:4px}
.cal .we{color:var(--weekend)}
.cal .hol{background:var(--seal-soft);color:var(--seal);font-weight:600}
.cal .lv{background:var(--leave);color:#fff;font-weight:600}
.cal .vac{box-shadow:inset 0 -2px 0 var(--seal)}

details{border-top:1px solid var(--line);padding:12px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600}
details p{margin-top:8px;color:var(--muted);font-size:.93rem}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{padding:6px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.tablewrap{overflow-x:auto}
footer{font-size:.78rem;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.btn{font:inherit;font-weight:600;padding:8px 14px;border-radius:8px;border:1px solid var(--seal);background:var(--seal);color:var(--card);cursor:pointer;align-self:flex-start}
.toast{font-size:.85rem;color:var(--seal);min-height:1.2em}

/* 사이트 공통: 링크, 광고 칸, 관련 링크, 하단 링크 (위아래 간격은 main의 gap 20px + margin 8px = 28px) */
a{color:var(--seal)}
.ad{margin:8px 0;display:flex;flex-direction:column;gap:6px}
.ad-label{font-size:.7rem;line-height:1;color:var(--muted)}
.ad-box{height:250px;max-height:250px;overflow:hidden}
.ad-box ins.adsbygoogle{display:block;width:100%;height:250px}
.related{display:flex;flex-direction:column;gap:10px}
.related ul{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:6px}
.related li span{color:var(--muted);font-size:.9rem}
.foot-links{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:6px}
.foot-links a{color:var(--muted)}
.foot-links a:hover{color:var(--seal)}
[hidden]{display:none!important}