/* The masthead page /inside/masthead/, written by scripts/build_masthead.py from inside/masthead/seats.json (#99).
   Linked from this page only, after docs.css and inside.css. Colours, type, radii, and the main spacing come from
   /design/tokens.css (ADR-0025); a few layout lengths are set here. */

main.wrap.mh { max-width: 1100px; }
.mh-head { margin-bottom: var(--mb-space-4); }
.mh-head .lede { max-width: 760px; }
.mh .sec { margin-top: var(--mb-space-6); }
.mh .note, .mh .std p { max-width: 760px; }
.mh-label { font: var(--mb-text-2xs)/1.4 var(--mb-font-mono); letter-spacing: 1.6px; text-transform: uppercase; color: var(--mb-text-dim); margin: 0; }

/* the seats */
.mh-seats { display: grid; gap: 14px; }
.mh-seat { padding: 16px 18px; min-width: 0; }
.mh-seat h3 { margin: 2px 0 4px; font-size: var(--mb-text-lg); line-height: 1.2; }
.mh-holder { margin: 0 0 8px; font-size: var(--mb-text-sm); color: var(--mb-text-soft); }
.mh-areas { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; padding: 0; list-style: none; }
.mh-areas li a { display: inline-block; font: var(--mb-text-xs)/1.4 var(--mb-font-mono); padding: 2px 8px; border: 1px solid var(--mb-line); border-radius: 6px; color: var(--mb-text-soft); text-decoration: none; }
.mh-areas li a:hover { border-color: var(--mb-amber); color: var(--mb-text); }
.mh-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; }
.mh-cols h4 { margin: 0 0 6px; font: 400 var(--mb-text-2xs)/1.4 var(--mb-font-mono); letter-spacing: 2px; text-transform: uppercase; color: var(--mb-text-dim); }
.mh-list { margin: 0; padding: 0; list-style: none; }
.mh-list li { font-size: var(--mb-text-sm); line-height: 1.5; color: var(--mb-text-soft); padding: 5px 0; border-top: 1px solid var(--mb-line); }
.mh-list li:first-child { border-top: 0; padding-top: 0; }
.mh-list b { color: var(--mb-text); font-weight: 500; }
.mh-list code { font: var(--mb-text-xs)/1.4 var(--mb-font-mono); color: var(--mb-text); }

/* where a gate runs */
.mh-where-wrap { max-width: 760px; margin: 0 0 14px; }
.mh-where-wrap summary { cursor: pointer; font: var(--mb-text-xs)/1.4 var(--mb-font-mono); color: var(--mb-text-dim); letter-spacing: 1.2px; text-transform: uppercase; }
.mh-where { margin: 8px 0 0; display: grid; gap: 6px; }
.mh-where div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 10px; font-size: var(--mb-text-sm); line-height: 1.5; }
.mh-where dt { font: var(--mb-text-xs)/1.5 var(--mb-font-mono); color: var(--mb-text); }
.mh-where dd { margin: 0; color: var(--mb-text-soft); }
.mh-where-chip { display: inline-block; font: var(--mb-text-2xs)/1.4 var(--mb-font-mono); padding: 1px 6px; border: 1px solid var(--mb-line); border-radius: 5px; color: var(--mb-text-dim); margin: 0 4px; vertical-align: middle; }

/* the seat tabs: radio inputs and labels, no script; the static seats panel is the first and the default */
.mh-tabs { margin-top: var(--mb-space-4); }
.mh-tablist { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; border-bottom: 1px solid var(--mb-line); padding-bottom: 10px; }
.mh-tablist label { cursor: pointer; font: var(--mb-text-xs)/1.4 var(--mb-font-mono); padding: 5px 10px; border: 1px solid var(--mb-line); border-radius: 7px; color: var(--mb-text-soft); }
.mh-tablist label:hover { border-color: var(--mb-amber); color: var(--mb-text); }
.mh-tab-in:focus-visible + .mh-tablist label, .mh-tab-in:focus-visible ~ .mh-tablist label { outline: 0; }
.mh-tabs > .mh-panel { display: none; }
#mh-tab-seats:checked ~ #mh-panel-seats, #mh-tab-ceo:checked ~ #mh-panel-ceo, #mh-tab-cto:checked ~ #mh-panel-cto,
#mh-tab-cfo:checked ~ #mh-panel-cfo, #mh-tab-chro:checked ~ #mh-panel-chro, #mh-tab-publisher:checked ~ #mh-panel-publisher,
#mh-tab-cko:checked ~ #mh-panel-cko { display: block; }
#mh-tab-seats:checked ~ .mh-tablist label[for="mh-tab-seats"], #mh-tab-ceo:checked ~ .mh-tablist label[for="mh-tab-ceo"],
#mh-tab-cto:checked ~ .mh-tablist label[for="mh-tab-cto"], #mh-tab-cfo:checked ~ .mh-tablist label[for="mh-tab-cfo"],
#mh-tab-chro:checked ~ .mh-tablist label[for="mh-tab-chro"], #mh-tab-publisher:checked ~ .mh-tablist label[for="mh-tab-publisher"],
#mh-tab-cko:checked ~ .mh-tablist label[for="mh-tab-cko"] { color: var(--mb-text); border-color: var(--mb-amber); background: var(--mb-surface-hover); }
#mh-tab-seats:focus-visible ~ .mh-tablist label[for="mh-tab-seats"], #mh-tab-ceo:focus-visible ~ .mh-tablist label[for="mh-tab-ceo"],
#mh-tab-cto:focus-visible ~ .mh-tablist label[for="mh-tab-cto"], #mh-tab-cfo:focus-visible ~ .mh-tablist label[for="mh-tab-cfo"],
#mh-tab-chro:focus-visible ~ .mh-tablist label[for="mh-tab-chro"], #mh-tab-publisher:focus-visible ~ .mh-tablist label[for="mh-tab-publisher"],
#mh-tab-cko:focus-visible ~ .mh-tablist label[for="mh-tab-cko"] { outline: 2px solid var(--mb-amber); outline-offset: 2px; }
.mh-panel > h3 { margin: 0 0 8px; font-size: var(--mb-text-lg); line-height: 1.2; }
.mh-panel .ck-kpis { margin-top: 12px; }
.mh-panel .ck-panel { margin: 14px 0; }
.mh-panel .ck-areas { margin-top: 14px; }
.mh .empty { font: var(--mb-text-xs)/1.5 var(--mb-font-mono); color: var(--mb-text-dim); margin: 0; }
.mh-lens { padding: 12px 16px; margin: 12px 0; max-width: 760px; }
.mh-lens ol { margin: 6px 0 0; padding-left: 20px; }
.mh-lens li { line-height: 1.5; margin: 3px 0; }
.mh-sub { margin: var(--mb-space-4) 0 8px; font: 400 var(--mb-text-xs)/1.4 var(--mb-font-mono); letter-spacing: 2.4px; text-transform: uppercase; color: var(--mb-text-dim); }
.mh-today { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 12px 0; }
.mh-tile { padding: 12px 14px; min-width: 0; }
.mh-tile h4 { margin: 0 0 8px; font-size: var(--mb-text-md); }
.mh-tile h4 a { text-decoration: none; }
.mh-tile h4 a:hover { color: var(--mb-amber); }
.mh-tile .ck-counts, .mh-tile .ck-kinds { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 10px; }
.mh-tile .ck-label { margin-top: 8px; }

/* the standards */
.mh .std h3 { margin: var(--mb-space-4) 0 6px; font-size: var(--mb-text-md); }
.mh .std ul { max-width: 760px; padding-left: 20px; }
.mh .std li { margin: 4px 0; line-height: 1.5; }

@media (max-width: 960px) {
  .mh-today { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .mh-cols { grid-template-columns: minmax(0, 1fr); }
  .mh-where div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .mh-today { grid-template-columns: minmax(0, 1fr); }
}