/* 평생 걸음 거리 계산기 전용 CSS (2026-10-19). 입력 한 줄 stl-in → 지구 둘레 고리 | 큰 수·달까지 막대(stl-hero) → 수치 칸 stl-tiles
   → 나이별 누적 그래프 stl-life → 이정표 격자 stl-ms → stl-acts. 화면 순서 = DOM 순서(order 안 씀). 툴 폭은 컨테이너 stl 로 잼. 공용 부품은 assets/v2.css */
.stl-work{container:stl / inline-size}
.stl-work .stl-help{margin:0;font-family:var(--sans);font-size:12px;line-height:1.5;color:var(--muted)}
.stl-work .stl-help a{color:inherit;text-decoration:underline;text-underline-offset:2px}

/* 입력: 넓으면 네 칸 한 줄(en은 단위 + 네 칸), 좁으면 두 칸씩 */
.stl-in{margin:0;padding:16px 18px 12px;border-bottom:1px solid var(--soft)}
.stl-row{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,.9fr) minmax(0,1.3fr) minmax(0,1.05fr);gap:12px 14px} /* 나이·걷기 시작은 세 자리 이하, 걸음 수·보폭은 넓게 */
.stl-row.has-unit{grid-template-columns:minmax(0,1.2fr) minmax(0,.75fr) minmax(0,.9fr) minmax(0,1.3fr) minmax(0,1.05fr)}
@container stl (max-width:720px){ .stl-row.has-unit{grid-template-columns:minmax(0,.75fr) minmax(0,.9fr) minmax(0,1.3fr) minmax(0,1.05fr)} .stl-row.has-unit .stl-f-unit{grid-column:1 / -1} }
@container stl (max-width:640px){ .stl-row,.stl-row.has-unit{grid-template-columns:repeat(2,minmax(0,1fr))} }
.stl-f-unit .v2-label{display:block;margin:0 0 5px}
.stl-f-unit .v2-seg{display:flex}
.stl-f-unit .v2-seg button{flex:1 1 0;height:var(--v2-ctl,42px);padding:0 8px}
.stl-row2{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;margin-top:10px}
.stl-mode{white-space:nowrap}
.stl-chips button{min-width:58px;font-variant-numeric:tabular-nums}
.stl-stage{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--soft)}
.stl-stage[hidden]{display:none}
.stl-stage .stl-help{grid-column:1 / -1}
.stl-stage .v2-f:has(input:disabled){opacity:.45}
.stl-teen-off{color:var(--ink);font-weight:600}
.stl-teen-off[hidden]{display:none}
.stl-help-row{margin-top:10px!important}

/* 결과 머리: 넓으면 [지구 둘레 고리 | 큰 수·바퀴 줄·달까지 막대·문장], 좁으면 [큰 수 | 작은 고리] 아래 막대·문장 한 줄 전체 */
.stl-hero{display:grid;grid-template-columns:184px minmax(0,1fr);grid-template-areas:"ring head" "ring moon" "ring sub";align-items:center;column-gap:22px;padding:18px 18px 16px}
.stl-head{grid-area:head;min-width:0}
.stl-earth{grid-area:ring;aspect-ratio:1;min-width:0}
.stl-moon{grid-area:moon}
.stl-sub{grid-area:sub}
@container stl (max-width:520px){ .stl-hero{grid-template-columns:minmax(0,1fr) 96px;grid-template-areas:"head ring" "moon moon" "sub sub";column-gap:12px} .stl-earth{align-self:start} }
.stl-earth svg{display:block}
.stl-earth .gl{fill:var(--wash);stroke:var(--line);stroke-width:1.2}
.stl-earth .gg{fill:none;stroke:var(--line);stroke-width:.7;opacity:.8}
.stl-earth .rg{fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round}
.stl-earth .st{stroke:var(--muted);stroke-width:1.2;stroke-dasharray:2 2}
.stl-earth .me{fill:var(--accent);stroke:var(--card);stroke-width:2}
.stl-earth .mx{font:700 11px var(--sans);fill:var(--ink);paint-order:stroke;stroke:var(--card);stroke-width:4px;stroke-linejoin:round}
@container stl (max-width:520px){ .stl-earth .rg{stroke-width:3.4} .stl-earth .gg{stroke-width:1} }
.stl-head > .v2-label{display:block;margin:0 0 8px}
.stl-head .v2-big{flex-wrap:wrap}
@container stl (max-width:520px){ .stl-head .v2-big{font-size:38px} }
.stl-laps{margin:8px 0 0;font-family:var(--sans);font-size:14px;line-height:1.5;color:var(--muted)}
.stl-laps b{color:var(--ink);font-weight:750;font-variant-numeric:tabular-nums}
.stl-moon{margin-top:12px}
.stl-moon[hidden]{display:none}
.stl-moon-bar{position:relative;height:10px;border-radius:5px;overflow:hidden;background:var(--wash);box-shadow:inset 0 0 0 1px var(--soft)}
.stl-moon-bar::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(to right,transparent 0 calc(var(--lap,10.4253%) - 1px),var(--card) calc(var(--lap,10.4253%) - 1px) var(--lap,10.4253%));pointer-events:none}
.stl-moon-bar i{position:absolute;left:0;top:0;bottom:0;width:0;transition:width .6s cubic-bezier(.2,.7,.2,1)}
.stl-moon-bar .f{background:repeating-linear-gradient(135deg,var(--muted) 0 2px,transparent 2px 5px);opacity:.45}
.stl-moon-bar .p{background:var(--ink)}
.stl-moon-lbl{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-top:5px;font-family:var(--sans);font-size:11.5px;color:var(--muted)}
.stl-moon-lbl b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;text-align:center}
.stl-hero .stl-sub{margin-top:12px}
.stl-err{color:var(--accent)}
.stl-work.is-err .stl-earth{opacity:.35}

/* 수치 칸 */
.stl-out[hidden]{display:none}
.stl-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;border-top:1px solid var(--soft);border-bottom:1px solid var(--soft)}
.stl-tiles > div{min-width:0;padding:12px 14px 12px 18px;border-left:1px solid var(--soft)}
.stl-tiles > div:first-child{border-left:0}
@container stl (max-width:640px){ .stl-tiles{grid-template-columns:repeat(2,minmax(0,1fr))} .stl-tiles > div:nth-child(3){border-left:0} .stl-tiles > div:nth-child(n+3){border-top:1px solid var(--soft)} }
.stl-tiles dt{font-family:var(--sans);font-size:11.5px;font-weight:600;color:var(--muted)}
.stl-tiles dd{margin:4px 0 0;font-family:var(--sans);font-size:18px;font-weight:750;line-height:1.25;color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.stl-tiles dd.s{margin-top:3px;font-size:11.5px;font-weight:400;line-height:1.45;color:var(--muted)}

/* 나이별 누적 그래프 */
.stl-life{margin:0;padding:14px 18px 10px}
.stl-life-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 14px;margin-bottom:6px}
.stl-keys{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-size:11.5px;color:var(--muted)}
.stl-keys i{display:inline-block;width:18px;height:0;border-top:2px solid var(--ink);margin-left:6px}
.stl-keys i.k-next{border-top:2px dashed var(--muted)}
.stl-chartw{position:relative;min-width:0}
.stl-chart{min-width:0;border-radius:var(--radius);touch-action:pan-y}
.stl-chart:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.stl-chart svg{display:block}
.stl-chart .band{fill:var(--wash);opacity:.8}
.stl-chart .bandt{font:600 10.5px var(--sans);fill:var(--muted)}
.stl-chart .gr{stroke:var(--soft);stroke-width:1}
.stl-chart .gr.lap{stroke:var(--line);stroke-dasharray:3 3}
.stl-chart .ax{font:600 10.5px var(--sans);fill:var(--muted);font-variant-numeric:tabular-nums}
.stl-chart .axt{font:600 10.5px var(--sans);fill:var(--muted)}
.stl-chart .base{stroke:var(--line);stroke-width:1}
.stl-chart .area{fill:var(--ink);opacity:.07}
.stl-chart .past{fill:none;stroke:var(--ink);stroke-width:2.2;stroke-linejoin:round}
.stl-chart .fut{fill:none;stroke:var(--muted);stroke-width:1.8;stroke-dasharray:5 4}
.stl-chart .guide{stroke:var(--muted);stroke-width:1;stroke-dasharray:2 3}
.stl-chart .now{fill:var(--ink);stroke:var(--card);stroke-width:2}
.stl-chart .nowt{font:750 12px var(--sans);fill:var(--ink);font-variant-numeric:tabular-nums;paint-order:stroke;stroke:var(--card);stroke-width:4px;stroke-linejoin:round}
.stl-chart .endp{fill:var(--muted)}
.stl-chart .endt{font:600 11px var(--sans);fill:var(--muted);font-variant-numeric:tabular-nums;paint-order:stroke;stroke:var(--card);stroke-width:4px;stroke-linejoin:round}
.stl-chart .xh{stroke:var(--ink);stroke-width:1;opacity:.35}
.stl-chart .xd{fill:var(--card);stroke:var(--ink);stroke-width:2}
.stl-tip{position:absolute;top:6px;z-index:2;display:flex;flex-direction:column;gap:2px;min-width:132px;padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:0 2px 10px rgba(0,0,0,.08);font-family:var(--sans);font-size:12px;line-height:1.4;color:var(--ink);pointer-events:none;font-variant-numeric:tabular-nums}
.stl-tip[hidden]{display:none}
.stl-tip b{font-weight:750}
.stl-tip span{color:var(--muted)}
.stl-tip span:first-of-type{color:var(--ink);font-weight:650}
.stl-life .stl-help{margin-top:6px}

/* 이정표 격자 */
.stl-ms{padding:12px 18px 16px;border-top:1px solid var(--soft)}
.stl-ms-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 12px;margin-bottom:10px}
.stl-ms-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none}
/* 마지막 줄이 덜 차면 마지막 카드가 남은 칸을 채운다(3열: 3n+1 → 3칸, 3n+2 → 2칸 / 2열: 2n+1 → 2칸) */
.stl-ms-list li:last-child:nth-child(3n+1){grid-column:1 / -1}
.stl-ms-list li:last-child:nth-child(3n+2){grid-column:span 2}
@container stl (max-width:700px){ .stl-ms-list{grid-template-columns:repeat(2,minmax(0,1fr))} .stl-ms-list li:last-child:nth-child(3n+1),.stl-ms-list li:last-child:nth-child(3n+2){grid-column:auto} .stl-ms-list li:last-child:nth-child(2n+1){grid-column:1 / -1} }
.stl-ms-list li{display:grid;grid-template-columns:10px minmax(0,1fr) auto;align-items:baseline;align-content:start;gap:2px 9px;min-width:0;padding:9px 10px;border:1px solid var(--soft);border-radius:var(--radius)}
.stl-ms-list li > i{grid-row:1;align-self:start;margin-top:4px;width:10px;height:10px;border-radius:50%;border:1.5px solid var(--line)}
.stl-ms-list li.is-done > i{background:var(--ink);border-color:var(--ink)}
.stl-ms-list li.is-next{border-color:var(--ink)}
.stl-ms-list li.is-next > i{border:2px solid var(--ink);background:var(--card)}
.stl-ms-list b{min-width:0;font-family:var(--sans);font-size:13px;font-weight:700;line-height:1.35;color:var(--ink);font-variant-numeric:tabular-nums}
.stl-ms-list .wh{max-width:9.5em;text-align:right} /* 긴 '…년 뒤'는 두 줄로(이름 칸을 누르지 않게) */
.stl-ms-list .ds{grid-column:2 / -1;font-family:var(--sans);font-size:11.5px;line-height:1.4;color:var(--muted);font-variant-numeric:tabular-nums}
.stl-ms-list li.is-later b{color:var(--muted);font-weight:650}
/* 좁으면 테두리 없는 줄 목록(한 줄 = 이름 | 나이) */
@container stl (max-width:460px){
  .stl-ms-list{grid-template-columns:minmax(0,1fr);gap:0}
  .stl-ms-list li,.stl-ms-list li:last-child:nth-child(n){grid-column:auto;padding:8px 2px;border:0;border-top:1px solid var(--soft);border-radius:0}
  .stl-ms-list li.is-next{border-color:var(--soft);box-shadow:inset 3px 0 0 var(--ink);padding-left:8px}
}

/* 복사·처음으로 */
.stl-acts{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;padding:12px 18px 16px;border-top:1px solid var(--soft)}
.stl-acts .stl-links{flex:1 1 220px;text-align:right}
@container stl (max-width:520px){ .stl-acts .stl-links{flex-basis:100%;text-align:left} }

@media (prefers-reduced-motion:reduce){ .stl-moon-bar i{transition:none} }