/* taxtool.kr 공통 CSS — 색·수치는 .claude/skills/design/SKILL.md 기준. 페이지 고유 CSS는 각 페이지 인라인에 둔다. */
:root{--bg:#EDF0F4;--ink:#14181F;--paper:#FFFFFF;--green:#0E7A4E;--green-deep:#0A5C3B;--amber:#E8A13C;--line:#D8DCE2;--sub:#5B6472}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:'Noto Sans KR',sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}

/* 상단 헤더 */
.site-head{background:var(--paper);border-bottom:1px solid var(--line)}
.site-head .in{max-width:1000px;margin:0 auto;padding:0 20px;height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-head .logo{flex:none;font-size:18px;font-weight:900;letter-spacing:-0.5px;color:var(--ink);text-decoration:none}
.site-head .logo b{color:var(--green);font-weight:900}
.site-head nav{display:flex;min-width:0;overflow-x:auto;white-space:nowrap;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.site-head nav::-webkit-scrollbar{display:none}
.site-head nav a{flex:none;font-size:13.5px;font-weight:700;color:var(--sub);text-decoration:none;margin-left:16px}
.site-head nav a:first-child{margin-left:0}
.site-head nav a:hover,.site-head nav a[aria-current=page]{color:var(--green)}

/* 모바일 계산기 줄 (960px 미만) */
.calc-strip{display:flex;gap:10px;overflow-x:auto;padding:14px 20px 4px;scroll-snap-type:x mandatory;scroll-padding-left:20px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.calc-strip::-webkit-scrollbar{display:none}
.calc-strip a{flex:none;width:200px;scroll-snap-align:start;background:var(--paper);border:2px solid var(--green);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--ink)}
.calc-strip .lbl{display:block;font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--green)}
.calc-strip .nm{display:block;font-size:15px;font-weight:900;margin-top:2px;line-height:1.3}
.calc-strip .ds{display:block;font-size:12px;color:var(--sub);margin-top:2px}
.calc-strip a[aria-current=page]{background:#E7F3ED}

/* 본문 + 사이드바 */
.layout{max-width:1000px;margin:0 auto;padding:0 20px}
.main{min-width:0}
.wrap{max-width:640px;margin:0 auto;padding:24px 0 40px}
.side{display:none}
@media(min-width:960px){
  .calc-strip{display:none}
  .layout{display:grid;grid-template-columns:minmax(0,680px) 280px;gap:32px;justify-content:center;align-items:start}
  .wrap{padding-top:32px}
  .side{display:block;position:sticky;top:20px;padding:32px 0 40px}
}
.side-box{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 18px 12px;margin-bottom:18px}
.side-box.calcs{border:2px solid var(--green)}
.side-box h2{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--green);margin-bottom:8px}
.side-calc{display:flex;align-items:center;gap:10px;padding:10px 8px;margin:0 -8px;border-radius:10px;text-decoration:none;color:var(--ink)}
.side-calc:hover{background:#E7F3ED}
.side-calc[aria-current=page]::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);flex:none}
.side-calc .txt{min-width:0}
.side-calc .nm{display:block;font-size:15px;font-weight:700;line-height:1.3}
.side-calc .ds{display:block;font-size:12.5px;color:var(--sub);margin-top:2px}
.side-calc .arr{margin-left:auto;color:var(--green);font-weight:700;flex:none}
.side-search{display:flex;gap:8px}
.side-search input{flex:1;min-width:0;font-family:inherit;font-size:14px;color:var(--ink);background:#FAFBFC;border:1.5px solid var(--line);border-radius:10px;padding:9px 12px;outline:none}
.side-search input:focus{border-color:var(--green)}
.side-search button{flex:none;font-family:inherit;font-size:13.5px;font-weight:700;color:#fff;background:var(--ink);border:none;border-radius:10px;padding:9px 14px;cursor:pointer}
.side-cat{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink);text-decoration:none}
.side-cat:last-child{border-bottom:none}
.side-cat span{font-weight:500;color:var(--sub)}
.side-cat:hover,.side-cat[aria-current=page]{color:var(--green)}
.side-post{display:flex;gap:12px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.side-post:last-child{border-bottom:none}
.side-post img,.side-post .ph{flex:none;width:84px;height:48px;object-fit:cover;border-radius:6px;background:#E0E4EA;display:block}
.side-post .txt{min-width:0}
.side-post .t{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:13.5px;font-weight:700;line-height:1.4}
.side-post .d{display:block;font-size:12px;color:var(--sub);margin-top:3px}
.side-post:hover .t{color:var(--green)}

/* 공용 조각 */
header .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--green);border:1.5px solid var(--green);padding:4px 10px;border-radius:4px;margin-bottom:14px}
.crumb{font-size:13px;color:var(--sub);margin-bottom:18px}
.crumb a{color:var(--sub);text-decoration:none}
.crumb a:hover{color:var(--green);text-decoration:underline}
.post-list{list-style:none;margin:14px 0 0;padding:0;border-top:1px solid var(--line)}
.post-list li{border-bottom:1px solid var(--line)}
.post-list a{display:flex;align-items:baseline;gap:10px;padding:12px 2px;text-decoration:none}
.post-list .n{flex:none;font-size:12.5px;font-weight:600;font-family:'IBM Plex Mono',monospace;color:#5B6472}
.post-list .t{flex:1;font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.45}
.post-list a:hover .t{color:var(--green)}
.post-list .g{flex:none;color:var(--green);font-weight:700;font-size:14px}
.rel-more{display:inline-block;margin-top:12px;font-size:13.5px;font-weight:700;color:var(--green);text-decoration:none}
.rel-more:hover{text-decoration:underline}

/* 글 카드 (홈·가이드 목록) */
.post-card{display:block;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px 22px;text-decoration:none;color:inherit;transition:border-color .15s}
.post-card:hover{border-color:var(--green)}
.post-card .num{font-size:12px;font-weight:600;font-family:'IBM Plex Mono',monospace;color:#5B6472;margin-right:8px}
.post-card .tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;color:var(--green);background:#E7F3ED;border-radius:4px;padding:3px 8px;margin-bottom:10px}
.post-card .date{font-size:12.5px;color:#5B6472;margin-left:8px}
.post-card h2{font-size:17px;font-weight:900;letter-spacing:-0.3px;line-height:1.4}
.post-card p{margin-top:8px;font-size:13.5px;color:var(--sub);line-height:1.55}
.post-card .arrow{display:block;margin-top:10px;font-size:13px;font-weight:700;color:var(--green)}
.list.grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:600px){.list.grid{grid-template-columns:1fr 1fr}}
.post-card.thumb{padding:0;overflow:hidden;display:flex;flex-direction:column}
.post-card.thumb img,.post-card.thumb .ph{display:block;width:100%;height:auto;aspect-ratio:1200/686;object-fit:cover;background:#E0E4EA}
.post-card.thumb .body{display:block;padding:14px 18px 18px}
.post-card.thumb .tag{margin-bottom:8px}
.post-card.thumb h2{font-size:16px}
.post-card.thumb p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:13px}

/* 푸터 */
footer{max-width:1000px;margin:8px auto 0;padding:0 20px 60px;text-align:center;font-size:12px;color:#5B6472}
footer .disclaimer{max-width:420px;margin:0 auto 8px}
footer .footer-links{margin-top:10px}
footer .footer-links a{color:#5B6472;text-decoration:underline;margin:0 6px}
footer .footer-links a:hover{color:var(--sub)}