/* Line balancing calculator (line-balancing.html). Uses the site's tokens. */
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.lb { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 28px; align-items: start; }
.lb-input, .lb-output { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 22px; min-width: 0; }
.lb-output { position: sticky; top: 108px; }
.lb.busy .lb-output > div { opacity: .55; transition: opacity .2s; }

.lb input, .lb textarea { font: 15px var(--f-mono); color: var(--fg); background: var(--bg); border: 1px solid var(--line-strong); border-radius: 4px; padding: 8px 10px; width: 100%; box-sizing: border-box; }
.lb input:focus-visible, .lb textarea:focus-visible, .lb button:focus-visible, .lb summary:focus-visible { outline: 2px solid var(--action); outline-offset: 2px; }
.lb label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.lb-fine { font-size: 12px; line-height: 1.6; color: var(--muted); margin: 8px 0 0; }
.lb-fine a { color: var(--fg); }
.lb code { font: 12px var(--f-mono); color: var(--fg); }

.lb-examples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 20px; }
.lb-examples span { font: 500 10px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-right: 4px; }
.lb-examples button, .lb-add, .lb-remove { font: 12px var(--f-body, inherit); color: var(--fg); background: var(--bg); border: 1px solid var(--line-strong); border-radius: 4px; padding: 7px 10px; cursor: pointer; }
.lb-examples button:hover, .lb-add:hover, .lb-remove:hover { border-color: var(--fg); }

.lb-takt { display: grid; gap: 6px; margin-bottom: 20px; }
.lb-takt > input { max-width: 180px; font-size: 18px; }
.lb details summary { cursor: pointer; font-size: 12px; color: var(--muted); margin-top: 6px; }
.lb details[open] summary { margin-bottom: 10px; }
.lb-demand { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.lb-steps { overflow-x: auto; margin: 0 -4px; padding: 0 4px; }
.lb-steps table { width: 100%; border-collapse: collapse; }
.lb-steps th { text-align: left; font: 500 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 0 4px 8px; }
.lb-steps td { padding: 3px 4px; vertical-align: middle; }
.lb-steps td:nth-child(3) { width: 76px; }
.lb-steps td:nth-child(4) { width: 92px; }
.lb-n { font: 12px var(--f-mono); color: var(--muted); width: 22px; text-align: right; }
.lb-steps td input { padding: 6px 8px; font-size: 13px; }
.lb-remove { padding: 4px 9px; color: var(--muted); }
.lb-add { margin-top: 10px; }
.lb-paste { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 12px; }
.lb-paste textarea { resize: vertical; margin-top: 6px; font-size: 13px; }

.lb-status { font: 12px var(--f-mono); color: var(--muted); margin: 0 0 14px; min-height: 1.4em; }
.lb-problem { border: 1px solid var(--draft, var(--line-strong)); background: var(--draft-soft, transparent); color: var(--fg); border-radius: 6px; padding: 14px 16px; line-height: 1.6; margin: 0; }
.lb-kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.lb-kpis > div { border: 1px solid var(--line); border-radius: 6px; padding: 14px; display: grid; gap: 4px; background: var(--bg); }
.lb-kpis .k { font: 500 10px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.lb-kpis b { font: 500 30px/1.1 var(--f-mono); color: var(--data); }
.lb-kpis em { font-style: normal; font-size: 12px; line-height: 1.5; color: var(--muted); }
.lb-rules { font-size: 14px; line-height: 1.65; color: var(--muted); margin: 16px 0 20px; }

.lb-chart-head { display: flex; justify-content: space-between; font: 500 10px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 58px 6px 50px; }
.lb-chart { display: grid; gap: 6px; margin-bottom: 22px; }
.lb-bar { display: grid; grid-template-columns: 44px minmax(0, 1fr) 52px; gap: 6px; align-items: center; }
.lb-bar-k, .lb-bar-v { font: 11px var(--f-mono); color: var(--muted); }
.lb-bar-v { text-align: right; color: var(--fg); }
.lb-track { display: flex; height: 26px; border: 1px dashed var(--line-strong); border-radius: 3px; overflow: hidden; background: var(--bg); }
.lb-seg { display: flex; align-items: center; justify-content: center; min-width: 0; overflow: hidden; font: 10px var(--f-mono); color: var(--bg); background: var(--data); border-right: 1px solid var(--bg); white-space: nowrap; }
.lb-seg:nth-child(even) { background: color-mix(in srgb, var(--data) 72%, var(--bg)); }

.lb-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.lb-table th { text-align: left; font: 500 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 0 8px 8px 0; border-bottom: 1px solid var(--line); }
.lb-table td { padding: 8px 8px 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.lb-table td:first-child { font-family: var(--f-mono); width: 54px; }
.lb-table td:nth-child(2) { color: var(--muted); line-height: 1.5; }
.lb-table td.num, .lb-table th:nth-child(n+3) { text-align: right; font-family: var(--f-mono); white-space: nowrap; padding-right: 0; padding-left: 8px; }
.lb-share { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 18px; }
.lb-share .lb-add { margin-top: 0; }
.lb-share .lb-fine { margin: 0; }

.guide h3.lb-q { font-size: 18px; margin: 26px 0 8px; }
#how { padding-top: 24px; }

@media (max-width: 960px) {
  .lb { grid-template-columns: minmax(0, 1fr); }
  .lb-output { position: static; }
}
@media (max-width: 600px) {
  .lb-input, .lb-output { padding: 14px; }
  .lb-kpis b { font-size: 24px; }
  .lb-demand { grid-template-columns: 1fr; }
  .lb-steps td:nth-child(3) { width: 70px; }
  .lb-steps td:nth-child(4) { width: 74px; }
  .lb-steps td input { padding: 6px; font-size: 13px; }
}
.lb-steps td input.lb-name { font-family: var(--f-body, inherit); }

/* Free here vs in the app (#free). */
.lb-next { font-size: 13px; line-height: 1.6; color: var(--muted); margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--line); }
.lb-next a, .lb-col li a { color: var(--fg); }
.lb-free { padding-top: 40px; }
.lb-free h2 { max-width: 820px; }
.lb-compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 24px; align-items: start; }
.lb-col { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 26px; }
.lb-col-app { border-color: var(--line-strong); }
.lb-col h3 { font-size: 24px; margin: 0; }
.lb-col-sub { font: 12px var(--f-mono); color: var(--muted); margin: 6px 0 18px; }
.lb-col ul { list-style: none; margin: 0 0 4px; padding: 0; display: grid; gap: 14px; }
.lb-col li { font-size: 15px; line-height: 1.65; color: var(--muted); padding-left: 18px; position: relative; }
.lb-col li::before { content: ''; position: absolute; left: 0; top: .7em; width: 7px; height: 1px; background: var(--line-strong); }
.lb-col li b { color: var(--fg); font-weight: 600; }
.lb-col li a { font-size: 12px; font-family: var(--f-mono); margin-left: 4px; white-space: nowrap; }
.lb-col .btn { margin-top: 20px; }
@media (max-width: 960px) { .lb-compare { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 600px) { .lb-col { padding: 18px; } .lb-col h3 { font-size: 21px; } }
.lb-extra { font: 12px/1.6 var(--f-mono); color: var(--muted); margin: 14px 0 0; }
.lb-parallel { font-size: 13px; line-height: 1.6; color: var(--fg); border-left: 2px solid var(--draft, var(--line-strong)); padding: 4px 0 4px 12px; margin: 16px 0 0; }
.lb-all { font-size: 14px; line-height: 1.6; color: var(--muted); margin: 20px 0 0; }
.lb-all a { color: var(--fg); }