/* L4-49: /ai-models, the AI model retirement tracker. Hero: one giant number on split-flap tiles (tiles from gates.css) and one
   sentence. Board: dark in both themes, like the departures board; the provider filter (JS only), section links as board
   headings (never pills), then one table per section. Under 760px each row stacks and every cell shows its column name. */
.am{padding-bottom:72px}
.am-hero{padding:28px 0 30px}
.am-hero .eyebrow{color:var(--ink-3)}
.am-title{margin:0 0 22px;font-size:clamp(34px,4.4vw,56px);line-height:1.02;letter-spacing:-.035em}
.am-hero-row{display:flex;align-items:center;gap:20px 28px;color:#ffbf47;--tw:clamp(64px,9vw,108px);--g:5px}
.am-big{flex:none}
.am-big .flap i{border-radius:8px;box-shadow:inset 0 1px 0 #ffffff14,0 3px 0 #0000004d,0 14px 30px -12px #000a}
.am-say{margin:0;max-width:30ch;font:700 clamp(21px,2.3vw,30px)/1.22 var(--display);letter-spacing:-.02em;color:var(--ink)}
.am-say b{display:block;margin-top:8px;color:var(--ember)}

/* The board. --tw here is the small tile size of the days column. */
.am-board {
  --bd:#0b0907;
  --bd-ink:#ffbf47;
  --bd-text:#efe4d0;
  --bd-dim:#b3a791;
  --bd-line:#ffffff17;
  --tw:16px;
  --g:2px;
  padding:14px clamp(16px,2.6vw,34px) 18px;
  border-radius:24px;
  background:linear-gradient(#ffffff0a,#0000 140px),var(--bd);
  color:var(--bd-text);
  border:1px solid #000;
  box-shadow:inset 0 1px 0 #ffffff14,0 0 0 7px #1d1a16,0 0 0 8px #34302a,0 34px 70px -24px #000c;
}
.am-board-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 20px;padding:8px 0 14px}
.am-board-title{display:flex;align-items:center;gap:12px;margin:0;font:800 clamp(24px,2.6vw,34px)/1 var(--display);color:#fff4de}
.am-glyph{width:26px;height:26px;color:var(--bd-ink)}
.am-board-meta{margin:0;font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--bd-dim)}

/* Provider filter: a native select on the board, shown by ai-models.js only. */
.am-filter{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;padding:14px 0;border-top:1px solid var(--bd-line)}
.am-filter[hidden]{display:none}
.am-filter-l{font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--bd-dim)}
.am-select {
  min-height:44px;
  max-width:100%;
  padding:8px 12px;
  border:1px solid #ffffff2e;
  border-radius:10px;
  background:#16130f;
  color:#fff4de;
  font:600 15px var(--sans);
}
.am-select:focus-visible{outline:3px solid var(--bd-ink);outline-offset:2px}
.am-shown{margin:0;font-size:13px;color:var(--bd-dim)}

.am-jump{display:flex;flex-wrap:wrap;gap:0 30px;border-top:1px solid var(--bd-line);border-bottom:1px solid var(--bd-line)}
.am-jump a {
  display:inline-flex;
  align-items:baseline;
  gap:10px;
  min-height:52px;
  padding:14px 0 10px;
  font:800 clamp(18px,2vw,24px)/1 var(--display);
  letter-spacing:-.02em;
  color:var(--bd-dim);
  text-decoration:none;
  white-space:nowrap;
}
.am-jump a:hover{color:#fff4de;box-shadow:inset 0 -4px 0 var(--bd-ink)}
.am-jump a:focus-visible,.am-go a:focus-visible{outline:3px solid var(--bd-ink);outline-offset:4px;border-radius:4px}
.am-count{font:500 14px var(--mono);letter-spacing:.06em;color:var(--bd-ink)}
.am-sec{padding-top:24px;scroll-margin-top:90px}
.am-sec[hidden]{display:none}
.am-sec-h{margin:0 0 4px;font:800 26px/1.1 var(--display);color:#fff4de;display:flex;align-items:baseline;gap:10px}
.am-sec-note{margin:0 0 6px;font-size:15px;color:var(--bd-dim)}
.am-empty{margin:8px 0 4px;color:var(--bd-dim)}
.am-empty[hidden]{display:none}

/* The tables */
.am-table{width:100%;border-collapse:collapse;font-size:15px}
.am-table[hidden]{display:none}
.am-table thead th {
  padding:10px 12px 8px 0;
  text-align:left;
  font:500 11px var(--mono);
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--bd-dim);
  white-space:nowrap;
}
.am-table tbody tr{border-top:1px solid var(--bd-line);scroll-margin-top:90px}
.am-table tbody tr[hidden]{display:none}
.am-table tbody tr:target{background:#ffffff0a}
.am-table th[scope=row],.am-table td{padding:12px 16px 12px 0;vertical-align:baseline;text-align:left}
.am-model{width:30%;min-width:22ch;font-weight:400}
.am-model code,.am-next code {
  background:none;
  padding:0;
  font:500 14px/1.4 var(--mono);
  color:#fff4de;
  overflow-wrap:anywhere;
}
.am-model code{color:var(--bd-ink)}
.am-ver,.am-where{display:block;font:500 12px var(--mono);color:var(--bd-dim)}
.am-where{white-space:normal}
.am-prov{color:var(--bd-text);white-space:nowrap}
.am-date{font:500 14px var(--mono);color:var(--bd-text);white-space:nowrap}
.am-days{color:var(--bd-ink)}
.am-days-l{display:none}
.am-next{width:36%;color:var(--bd-dim)}
@media(min-width:761px){.am-model code{overflow-wrap:break-word}}
.am-none{color:var(--bd-dim)}
.am-go{white-space:nowrap}
.am-go a{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-weight:800;color:var(--bd-ink)}
.am-go a.am-src{margin-left:16px;font:500 13px var(--mono);color:var(--bd-dim);text-decoration:underline;text-underline-offset:3px}
.am-go a:hover{color:#fff4de}
.am-go a:not(.am-src)::after {
  content:'';
  width:14px;
  height:14px;
  background:currentColor;
  -webkit-mask:var(--arrow) center/14px no-repeat;
  mask:var(--arrow) center/14px no-repeat;
}
/* The shared 14px arrowRight icon as a mask (one CSS rule, not one SVG per row). */
.am-go{--arrow:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23000' \
stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8h9m-4-4 4 4-4 4'/%3E%3C/svg%3E")}

/* After the board */
.am-cal{margin:40px 0 0;padding:24px 26px;border:1px solid var(--line);border-radius:20px;background:var(--bg-2)}
.am-h2{margin:0 0 6px;font:700 24px/1.15 var(--display);letter-spacing:-.02em}
.am-line{margin:0;color:var(--ink-2)}
.am-cal-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:0 26px}
.am-cal-list a{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-weight:800;color:var(--link)}
.am-note{margin:6px 0 0;font-size:14px;color:var(--ink-3)}
.am-note a{color:var(--link)}
.am .digest-signup{margin-top:40px}
.am-how{margin-top:32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.am-how>summary{display:flex;align-items:center;justify-content:space-between;min-height:60px;cursor:pointer;list-style:none;
  font:800 22px var(--display);letter-spacing:-.02em}
.am-how>summary::-webkit-details-marker{display:none}
.am-how>summary::after{content:'+';font:500 26px var(--mono);color:var(--ink-3)}
.am-how[open]>summary::after{content:'–'}
.am-how-body{padding:4px 0 28px;max-width:76ch;line-height:1.65}
.am-how-body p{margin:0 0 10px}
.am-how-h{margin:22px 0 8px;font-size:19px}
.am-method{margin:0 0 10px;padding-left:22px}
.am-method li+li{margin-top:8px}
.am-how-body a,.am-data a{color:var(--link)}
.am-data{margin-top:16px;font-size:14px;color:var(--ink-3)}

/* Narrow: each row stacks. Line one: the model id; then provider · date · days; then Use next; then the links. The rows keep their
   table roles in the HTML, and the header row stays for screen readers (only hidden from view); days and Use next get a visible label. */
@media(max-width:760px){
  .am-hero-row{--tw:62px;gap:16px}
  .am-board{padding:6px 14px 12px;border-radius:18px;--tw:14px}
  .am-jump{gap:0 18px}
  .am-table,.am-table tbody{display:block}
  .am-table[hidden]{display:none}
  .am-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .am-table tbody tr {
    display:grid;
    grid-template-columns:max-content max-content minmax(0,1fr);
    grid-template-areas:"model model model" "prov date days" "next next next" "go go go";
    gap:6px 14px;
    padding:12px 0;
  }
  .am-table th[scope=row],.am-table td{padding:0}
  .am-model{grid-area:model;width:auto}
  .am-prov{grid-area:prov}
  .am-date{grid-area:date}
  .am-days{grid-area:days;justify-self:end;display:flex;align-items:center;gap:8px}
  .am-days-l{display:inline;font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--bd-dim)}
  .am-next{grid-area:next;width:auto}
  .am-next::before{content:attr(data-label) ': ';font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase}
  .am-go{grid-area:go;white-space:normal}
  .am-cal{padding:20px}
}
@media(max-width:420px){
  .am-hero-row{--tw:50px;--g:4px;gap:14px}
  .am-say{font-size:19px}
  .am-jump a{font-size:16px;gap:6px}
  .am-count{font-size:12px}
  .am-table tbody tr{grid-template-areas:"model model model" "prov prov days" "date date date" "next next next" "go go go"}
}