/* 공항 출발 시각 계산기 전용 CSS (2026-10-14). 2패널 계산형 + 시간 흐름 띠(구간 left·width 전환, R45) + 준비 스타일 비교 막대 + 출발 시각별 격자. 공용 부품은 assets/v2.css. 두 열/한 열 전환은 툴 폭(컨테이너 altw) 기준 */
.alt-work{container:altw / inline-size}
.alt-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.alt-in{padding:16px 18px 18px;min-width:0}
.alt-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.alt-fields .v2-f{min-width:0}
.alt-fields .v2-f.full{grid-column:1/-1}
.alt-fields .v2-f > .v2-label{display:block;margin:0 0 5px}
.alt-fields [hidden]{display:none}
.alt-ctl{display:block;width:100%;max-width:100%;height:var(--v2-ctl,42px);padding:0 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14.5px;font-weight:600;min-width:0}
.alt-ctl:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.alt-ctl[aria-invalid="true"]{border-color:var(--accent)}
.v2-input:has(input[aria-invalid="true"]){border-color:var(--accent)}
.alt-hint{display:block;margin-top:5px;font-family:var(--sans);font-size:12px;line-height:1.5;color:var(--muted)}
.alt-hint:empty{display:none}
.alt-seg{display:flex;flex-wrap:nowrap}
.alt-seg button{flex:1 1 0;min-width:0;height:var(--v2-ctl,42px);padding:0 6px;font-size:13px;white-space:nowrap}
.alt-ldrow{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(112px,.8fr);gap:8px;align-items:stretch}
.alt-adv{grid-column:1/-1;padding:10px 12px;border:1px dashed var(--line);border-radius:var(--radius)}
.alt-adv summary{cursor:pointer;font-family:var(--sans);font-size:12.5px;font-weight:700;color:var(--ink)}
.alt-adv summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.alt-advgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}
.alt-acts{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:14px}
.alt-acts svg,.alt-foot svg{width:16px;height:16px}
.alt-out{padding:16px 18px 18px;min-width:0;border-left:1px solid var(--soft);display:flex;flex-direction:column}
.alt-out > .v2-label{display:block;margin-bottom:6px}
.alt-big{flex-wrap:wrap;row-gap:4px}
.alt-big.is-empty span{font-size:22px}
.alt-badge{font-family:var(--sans);font-style:normal;font-size:13px;font-weight:600;letter-spacing:0;color:var(--muted);white-space:nowrap}
.alt-rows{margin-top:12px}
.alt-rows li span{flex:0 1 auto;max-width:48%}
.alt-rows li b{flex:1 1 auto;text-align:right;white-space:normal;overflow-wrap:anywhere}
.alt-rows li.is-late b{color:var(--accent)}
.alt-check{margin:10px 0 0;font-family:var(--sans);font-size:12.5px;line-height:1.55;color:var(--muted)}
.alt-check:empty{display:none}
.alt-check.is-warn{color:var(--accent);font-weight:600}
.alt-count{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline;margin:12px 0 0;padding:10px 12px;border:1px dashed var(--line);border-radius:var(--radius)}
.alt-count b{font-family:var(--sans);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);overflow-wrap:anywhere}
.alt-foot{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:auto;padding-top:12px;border-top:1px solid var(--soft)}
.alt-count + .alt-foot{margin-top:14px}
.alt-foot .v2-status{margin-left:auto}
/* 띠·막대·격자 상자 */
.alt-box{padding:14px 18px 16px;border-top:1px solid var(--soft);min-width:0;max-width:100%}
.alt-box > .v2-label{display:block;margin-bottom:8px}
.alt-note{margin:8px 0 0;font-family:var(--sans);font-size:12px;line-height:1.55;color:var(--muted)}
.alt-keys{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-wrap:wrap;gap:4px 14px;font-family:var(--sans);font-size:12px;color:var(--muted)}
.alt-keys li::before{content:"";display:inline-block;width:14px;height:10px;margin-right:6px;border-radius:3px;vertical-align:-1px}
.alt-keys .k-tr::before,.alt-seg-tr{background:var(--muted);opacity:.45}
.alt-keys .k-ex::before,.alt-seg-ex{background:repeating-linear-gradient(135deg,var(--muted) 0 3px,transparent 3px 7px);opacity:.55}
.alt-keys .k-ci::before,.alt-seg-ci{background:var(--accent);opacity:.32}
.alt-keys .k-sc::before,.alt-seg-sc{background:var(--accent);opacity:.6}
.alt-keys .k-bd::before,.alt-seg-bd{background:var(--ink);opacity:.72}
.alt-keys .k-wt::before,.alt-seg-wt{background:var(--ink);opacity:.22}
.alt-keys .k-ct::before{width:0;height:12px;border-left:2px dashed var(--ink);border-radius:0}
.alt-keys .k-now::before{width:2px;height:12px;background:var(--accent);border-radius:0}
.alt-scroll{overflow-x:auto;overscroll-behavior-x:contain;padding-bottom:2px}
.alt-line{position:relative;min-width:640px;padding:10px 0 0}
.alt-track{position:relative;height:36px;border-radius:var(--radius);background:var(--wash)}
.alt-track i{position:absolute;top:0;bottom:0;display:block;transition:left .45s cubic-bezier(.22,1,.36,1),width .45s cubic-bezier(.22,1,.36,1)}
.alt-track i.is-zero{display:none}
.alt-track i:first-child{border-radius:var(--radius) 0 0 var(--radius)}
.alt-tick{position:absolute;top:-6px;bottom:-6px;width:0;border-left:2px dashed var(--ink);transition:left .45s cubic-bezier(.22,1,.36,1)}
.alt-tick--gt{border-left-style:solid}
.alt-tick[hidden]{display:none}
.alt-now{position:absolute;top:-10px;bottom:-10px;width:2px;margin-left:-1px;background:var(--accent)}
.alt-now::after{content:"";position:absolute;top:-5px;left:-4px;width:10px;height:10px;border-radius:50%;background:var(--accent)}
.alt-now[hidden]{display:none}
.alt-labs{position:relative;height:42px;margin-top:8px;font-family:var(--sans);font-size:11.5px;line-height:1.3;color:var(--muted)}
.alt-labs span{position:absolute;top:0;transform:translateX(-50%);white-space:nowrap;transition:left .45s cubic-bezier(.22,1,.36,1)}
.alt-labs span.r1{top:21px}
.alt-labs span.r2{top:42px}
.alt-labs.has-r2{height:63px}
.alt-labs span.is-start{transform:none}
.alt-labs span.is-end{transform:translateX(-100%)}
.alt-labs span[hidden]{display:none}
.alt-labs span b{color:var(--ink);font-variant-numeric:tabular-nums}
.alt-labs span em{font-style:normal}
.alt-swipe{display:none}
/* 준비 스타일 비교 */
.alt-styles{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.alt-styles button{display:grid;grid-template-columns:minmax(84px,auto) minmax(0,1fr) auto;grid-template-rows:auto auto;gap:2px 12px;align-items:center;width:100%;padding:8px 10px;border:1px solid var(--soft);border-radius:var(--radius);background:var(--paper);color:var(--ink);text-align:left;cursor:pointer;font-family:var(--sans)}
.alt-styles button:hover{background:var(--btn)}
.alt-styles button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.alt-styles button[aria-pressed="true"]{border-color:var(--ink);background:var(--wash)}
.alt-sn{grid-column:1;grid-row:1;font-size:13px;font-weight:700}
.alt-sa{grid-column:1;grid-row:2;font-size:11.5px;color:var(--muted);white-space:nowrap}
.alt-sbar{grid-column:2;grid-row:1/3;display:block;height:14px;min-width:0}
.alt-sb-out{display:block;height:100%;border-radius:7px;background:var(--muted);opacity:.38;overflow:hidden;transition:width .45s cubic-bezier(.22,1,.36,1)}
.alt-sb-in{display:block;height:100%;float:right;background:var(--ink);transition:width .45s cubic-bezier(.22,1,.36,1)}
.alt-sl{grid-column:3;grid-row:1;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere}
.alt-ss{grid-column:3;grid-row:2;font-size:11.5px;color:var(--muted);text-align:right;overflow-wrap:anywhere}
.alt-styles li.is-late .alt-ss{color:var(--accent);font-weight:600}
/* 출발 시각별 격자 */
.alt-hours{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.alt-hours button{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 6px;width:100%;min-width:0;padding:7px 9px;border:1px solid var(--soft);border-radius:var(--radius);background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:12.5px;cursor:pointer;text-align:left}
.alt-hours button > *{white-space:nowrap}
.alt-hours button:hover{background:var(--btn)}
.alt-hours button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.alt-hours button[aria-pressed="true"]{border-color:var(--ink);background:var(--wash)}
.alt-hours button b{font-weight:800;font-variant-numeric:tabular-nums}
.alt-hours button span{color:var(--muted);font-variant-numeric:tabular-nums}
.alt-hours button small{font-size:10.5px;color:var(--accent);font-weight:700}
.alt-hours button small[hidden]{display:none}
/* 반응형: 툴 폭 기준 */
@container altw (max-width:779px){
  .alt-grid{grid-template-columns:minmax(0,1fr)}
  .alt-out{order:-1;border-left:0;border-bottom:1px solid var(--soft)}
  .alt-hours{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@container altw (max-width:680px){.alt-swipe{display:block}}
@container altw (max-width:480px){
  .alt-hours{grid-template-columns:repeat(2,minmax(0,1fr))}
  .alt-styles button{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}
  .alt-sbar{grid-column:1/3;grid-row:3;margin-top:4px}
  .alt-sl{grid-column:2;grid-row:1}
  .alt-ss{grid-column:2;grid-row:2}
}
@container v2in (max-width:430px){
  .alt-fields{grid-template-columns:minmax(0,1fr)}
  .alt-ldrow{grid-template-columns:minmax(0,1fr)}
  .alt-advgrid{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){.alt-track i,.alt-tick,.alt-labs span,.alt-sb-out,.alt-sb-in{transition:none}}
/* 본문 항공사 표: 머리글이 세로로 쪼개지지 않게(좁은 폭은 .tbl 가로 스크롤) */
#airline-table th,#airline-table td.n{white-space:nowrap}