/* Testing Lab: what the tests have taught first, then A versus B, then formats ranked by reach.
   Everything is scoped under .lab so nothing leaks into other tabs. */

/* Counts line up: tabular figures across the whole tab. */
.lab { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); font-variant-numeric: tabular-nums lining-nums; }
.lab .section { margin-top: 0; }
.lab .plat { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.lab .plat .mono-in + .brand-ic { margin-left: -1px; }
.lab .hint { margin-top: 10px; }
.lab .empty { max-width: 640px; }

/* ---------- Hero: playbook and the scores vs reach answer ---------- */
.lab-hero { container-type: inline-size; padding-bottom: 28px; }
.lab .hero-part { min-width: 0; }
.lab .hero-part + .hero-part { margin-top: 26px; padding-top: 22px; border-top: var(--hair) solid var(--line-strong); }
.lab .hero-head { display: flex; align-items: center; min-height: 36px; margin-bottom: 12px; }

.lab .rules { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); gap: 24px 48px; }
.lab .rule { font: 600 21px/1.35 var(--font); letter-spacing: -0.016em; max-width: 46ch; text-wrap: pretty; font-variant-numeric: tabular-nums lining-nums; }
.lab .rule-src { margin-top: 6px; color: var(--ink-2); font-size: 14px; max-width: 60ch; }

.lab .answer-q { color: var(--ink-2); font-size: 16px; }
.lab .answer { display: flex; align-items: center; gap: 10px; margin-top: 4px; font: 600 34px/1.1 var(--font); letter-spacing: -0.028em; font-variant-numeric: tabular-nums lining-nums; }
.lab .answer .ic { color: var(--ink-2); }
.lab .answer.muted-answer { font-size: 24px; letter-spacing: -0.02em; }
.lab .answer-text { margin-top: 10px; font-size: 16px; max-width: 52ch; }
.lab .hero-part.reach .hero-head { margin-bottom: 2px; }
.lab .lab-reach-lede { color: var(--ink-2); font-size: 14px; max-width: 72ch; }
/* 1 column per platform, side by side when there is room. Each has its own answer, scale and line. */
.lab .lab-plats { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; margin-top: 18px; }
.lab .lab-plat { display: grid; gap: 18px; align-content: start; min-width: 0; }
.lab .lab-plat + .lab-plat { margin-top: 24px; padding-top: 22px; border-top: var(--hair) solid var(--line); }
@container (min-width: 760px) {
  .lab .lab-plats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; }
  .lab .lab-plat + .lab-plat { margin-top: 0; padding-top: 0; border-top: 0; }
  /* The 2 charts start on the same line, however long each answer is. */
  .lab .lab-plat { grid-template-rows: auto 1fr auto; }
}
.lab .lab-plat-h { display: flex; align-items: center; gap: 8px; min-height: 28px; font-size: 16px; font-variant-numeric: tabular-nums lining-nums; }
.lab .reach-answer { min-width: 0; }
.lab .reach-answer > .meta { margin-top: 10px; }
.lab .reach-answer > .hint { margin-top: 2px; }
.lab .reach-answer > .actions { margin-top: 14px; }
.lab .reach-chart { min-width: 0; }
.lab .need { display: grid; gap: 8px; margin-top: 18px; max-width: 440px; }
.lab .need-line { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; color: var(--ink-2); }
.lab .need-line strong { color: var(--ink); }

/* Scatter. Gridlines are solid hairlines, the axes one step stronger. */
.lab .svr-chart { min-width: 0; }
.lab .chart { display: block; overflow: visible; }
.lab .chart .grid { stroke: var(--line); }
.lab .chart .axis { stroke: var(--line-strong); }
.lab .chart .ax-t { fill: var(--ink-2); }
.lab .chart .trend { stroke: var(--ink-3); stroke-width: 1.5; stroke-linecap: round; }
.lab .chart .pt-li, .lab .chart .pt-x { transition: stroke-width var(--duration-quick) var(--ease-out); }
.lab .lg-li { fill: var(--primary); }
.lab .lg-x { fill: var(--violet); }
.lab .lg-trend { stroke: var(--ink-3); stroke-width: 2; stroke-linecap: round; }
.lab .svr-more { margin-top: 8px; }
.lab .svr-more .btn { margin-left: -10px; }
.lab .lab-svr-table { margin-top: 6px; }
main.enter .lab .chart .pt { animation: lab-pt-in var(--duration-slow) var(--ease-smooth-out) var(--duration-medium) both; }
@keyframes lab-pt-in { from { opacity: 0; } }

/* ---------- Tests ---------- */
.lab-tests { container-type: inline-size; }
.lab .t-group + .t-group { margin-top: 32px; }
.lab .t-group-h { display: flex; align-items: baseline; margin-bottom: 4px; font: 600 15px/1.3 var(--font); color: var(--ink-2); letter-spacing: 0; font-variant-numeric: tabular-nums lining-nums; }
.lab .t-group-h .count { margin-left: 8px; color: var(--ink-3); font-weight: 500; font-variant-numeric: tabular-nums; }
.lab .t-list > li { padding: 18px 0 22px; }
.lab .t-list > li + li { border-top: var(--hair) solid var(--line-strong); }
.lab .t-list > li:last-child { padding-bottom: 0; }
.lab .t-list > li.is-editing .form { margin: 0; }

.lab .t-card { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px 32px; }
@container (min-width: 900px) {
  .lab .t-card { grid-template-columns: minmax(0, 0.85fr) minmax(0, 2fr); }
  .lab .t-top { grid-column: 1 / -1; }
  .lab .t-foot { grid-column: 2; }
}
.lab .t-info { display: grid; gap: 10px; align-content: start; min-width: 0; }
.lab .t-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px 16px; }
.lab .t-title { display: grid; gap: 3px; min-width: 0; }
.lab .t-top h4 { font: 600 17px/1.35 var(--font); letter-spacing: -0.012em; text-wrap: balance; font-variant-numeric: tabular-nums lining-nums; }
.lab .t-top .btn { flex: none; margin: -4px -10px 0 0; }
.lab .t-what { max-width: 60ch; }
.lab .t-metric { display: grid; gap: 1px; }
.lab .t-metric > span:last-child { color: var(--ink-2); }
.lab .t-note { display: flex; align-items: flex-start; gap: 8px; color: var(--ink-2); font-size: 14px; }
.lab .t-note .ic { margin-top: 2px; color: var(--ink-3); }
.lab .t-progress { display: grid; gap: 8px; margin-top: 4px; max-width: 420px; }
.lab .t-days { display: flex; justify-content: space-between; gap: 12px; color: var(--ink-2); font-size: 14px; }
.lab .t-left { color: var(--ink); font-weight: 600; }
.lab .t-progress .bar { height: 6px; }

/* A versus B. The winner carries an icon, a word, a ring and a tint. Never colour alone. */
.lab .ab { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; align-content: start; min-width: 0; }
@container (min-width: 540px) { .lab .ab { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.lab .v { display: grid; gap: 10px; align-content: start; min-width: 0; padding: 14px 16px 16px; border-radius: var(--r-md); background: var(--sunken); }
.lab .v.won { background: var(--green-wash); box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--green) 60%, transparent); }
.lab .v-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 24px; }
.lab .v-name { color: var(--ink-2); font-size: 14px; font-weight: 600; }
.lab .v-flag { display: inline-flex; align-items: center; gap: 5px; color: var(--ink-3); font-size: 14px; font-weight: 600; }
.lab .v-flag.win { color: var(--green-ink); }
.lab .v-desc { font: 600 16px/1.4 var(--font); font-variant-numeric: tabular-nums lining-nums; }
.lab .v.lost .v-desc { color: var(--ink-2); }
.lab .v-result { display: grid; gap: 1px; }
.lab .v-num { font: 600 22px/1.25 var(--font); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.lab .v.lost .v-num { color: var(--ink-2); }
.lab .v-posts { display: grid; gap: 4px; justify-items: start; }
.lab .v-count { display: flex; align-items: center; gap: 7px; font-weight: 600; }
.lab .v-count .ic { color: var(--ink-3); }
.lab .lab-meter { width: 100%; max-width: 180px; height: 6px; margin: 3px 0 1px; background: var(--surface); }
.lab .v-reach { color: var(--ink-2); font-size: 14px; }
.lab .v-why { display: grid; gap: 1px; margin-top: 2px; }
.lab .v-why p { max-width: 60ch; }

.lab .t-foot { display: grid; gap: 12px; min-width: 0; }
.lab .t-rule { display: grid; gap: 1px; }
.lab .t-rule > span:last-child:not(.muted) { font-weight: 600; max-width: 64ch; }
.lab .t-none { display: flex; align-items: flex-start; gap: 8px; max-width: 64ch; }
.lab .t-none .ic { margin-top: 3px; color: var(--ink-2); }

/* Test form: the 2 variants sit side by side, the way the card shows them. */
.lab .lab-form .fields { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.lab .lab-ab-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px 16px; }
.lab .lab-fs { min-width: 0; margin: 0; padding: 14px 16px 16px; border: 0; border-radius: var(--r-sm); background: var(--surface); box-shadow: var(--ring); }
.lab .lab-fs legend { float: left; width: 100%; padding: 0; margin-bottom: 10px; font: 600 15px/1.3 var(--font); font-variant-numeric: tabular-nums lining-nums; }
.lab .lab-fs legend + .field { clear: both; }
.lab .lab-fs .field + .field { margin-top: 14px; }
/* Picking a winner too early: an amber note right under the Winner field, before any save. */
.lab .lab-gate { display: flex; align-items: flex-start; gap: 8px; padding: 10px 12px; border-radius: 10px; background: var(--amber-wash); color: var(--amber-ink); font-size: 14px; font-weight: 500; }
.lab .lab-gate[hidden] { display: none; }
.lab .lab-gate .ic { flex: none; margin-top: 2px; }
.lab .lab-gate p { max-width: 72ch; }

/* ---------- Format tracking: a ranked comparison ---------- */
.lab-formats { container-type: inline-size; }
.lab .lab-fmt-plat + .lab-fmt-plat { margin-top: 32px; }
.lab .lab-fmt-h { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 16px; font-variant-numeric: tabular-nums lining-nums; }
.lab .lab-fmt-h .count { margin-left: 2px; color: var(--ink-3); font-weight: 500; }
.lab .lab-answer { font: 600 18px/1.4 var(--font); letter-spacing: -0.012em; max-width: 62ch; font-variant-numeric: tabular-nums lining-nums; }
.lab .lab-answer + .hint { margin-top: 4px; }
.lab .fmt { margin-top: 18px; }
.lab .fmt-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-areas: "name name name" "reach reach reach" "s1 s2 s3"; gap: 10px 16px; padding: 14px 0; }
.lab .fmt-row > .fmt-name { grid-area: name; }
.lab .fmt-row > .fmt-reach { grid-area: reach; }
.lab .fmt-list > li + li { border-top: var(--hair) solid var(--line-strong); }
.lab .fmt-headrow { display: none; }
.lab .fmt-name { display: grid; gap: 1px; min-width: 0; }
.lab .fmt-title { font-weight: 600; }
.lab .fmt-reach { min-width: 0; }
.lab .fmt-reach > .fmt-k { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.lab .fmt-bar { display: flex; align-items: center; gap: 10px; min-height: 24px; }
.lab .fmt-bar i { display: block; flex: none; height: 12px; width: calc((100% - 76px) * var(--w)); min-width: 3px; border-radius: 0 4px 4px 0; background: color-mix(in srgb, var(--ink) 30%, var(--surface)); transform-origin: left; }
.lab .fmt-row.lead .fmt-bar i { background: var(--primary); }
.lab .fmt-bar .num { font-weight: 600; }
.lab .fmt-stat { display: grid; gap: 1px; min-width: 0; }
.lab .fmt-k { color: var(--ink-3); font-size: 14px; }
.lab .fmt-foot { margin-top: 14px; }
@container (min-width: 720px) {
  .lab .fmt-row { grid-template-columns: minmax(150px, 210px) minmax(0, 1fr) 64px 108px 64px; grid-template-areas: none; align-items: center; gap: 20px; padding: 12px 0; }
  .lab .fmt-row > .fmt-name, .lab .fmt-row > .fmt-reach { grid-area: auto; }
  .lab .fmt-headrow { display: grid; padding: 0 0 10px; border-bottom: var(--hair) solid var(--line-strong); color: var(--ink-3); font-size: 14px; font-weight: 500; }
  .lab .fmt-headrow .r { text-align: right; }
  .lab .fmt-stat { text-align: right; }
  .lab .fmt-stat .fmt-k { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}
main.enter .lab .fmt-bar i { animation: grow var(--duration-very-slow) var(--ease-smooth-out) var(--duration-fast) both; }

@media (pointer: coarse) {
  .lab .t-top .btn { margin-right: -6px; }
}
/* 44px fields on touch screens and narrow windows. app.css has this rule, but its later base input rule wins. */
@media (pointer: coarse), (max-width: 960px) {
  .lab input, .lab select, .lab textarea { min-height: 44px; font-size: 16px; }
}