/* The model catalog look (router plan K6): the K1 console palette,
   light + dark via prefers-color-scheme, self-contained - system fonts
   only, no external asset ever. */
:root {
  --bg: #f6f6fa;
  --card: #ffffff;
  --line: #e3e3ee;
  --fg: #1d1d2b;
  --dim: #6c6c81;
  --acc: #4f46e5;
  --acc-soft: #eef0fe;
  --bad: #b42318;
  --good: #067647;
  --good-soft: #e6f4ee;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1017;
    --card: #161923;
    --line: #272b3a;
    --fg: #e7e9f2;
    --dim: #8b90a5;
    --acc: #a5b0fc;
    --acc-soft: #222741;
    --bad: #f97066;
    --good: #4ade80;
    --good-soft: #14291f;
  }
}
* { box-sizing: border-box; margin: 0 }
body {
  background: var(--bg); color: var(--fg); min-height: 100vh;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px }
a { color: var(--acc); text-decoration: none }
.muted { color: var(--dim) }
.hidden { display: none !important }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-size: 17px; font-weight: 650; letter-spacing: .01em }
.brand a { color: var(--fg) }
.brand span { color: var(--acc); font-weight: 500 }
.meta { display: flex; align-items: center; gap: 12px; font-size: 13px }

.btn {
  display: inline-block; font: inherit; font-size: 13px; color: var(--fg); background: transparent;
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 14px; cursor: pointer;
}
.btn:hover { border-color: var(--acc); color: var(--acc) }

.catalog { max-width: 880px; margin: 0 auto; padding: 22px 20px 60px }
.lede { margin: 4px 0 18px; color: var(--dim) }
.lede code { color: var(--fg) }

.pickrow { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap }
.pickrow input {
  flex: 1; min-width: 220px; font: inherit; font-size: 14px; color: var(--fg);
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px;
}
.pickrow input:focus { outline: none; border-color: var(--acc) }
.pickrow label { font-size: 13px }
.pickrow select {
  font: inherit; font-size: 13px; color: var(--fg); background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px;
}
.pickrow select:focus { outline: none; border-color: var(--acc) }
#count { font-size: 13px }
.qualnote { font-size: 12.5px; margin: 2px 0 8px }
.qualnote code { color: var(--fg) }
.err { color: var(--bad); font-size: 13px; min-height: 1em; margin: 4px 0 }

section { margin-top: 26px }
section h2 { font-size: 16px; margin-bottom: 2px }
.secnote { font-size: 13px; margin-bottom: 10px }

.mrow {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 10px; scroll-margin-top: 80px;
}
.mrow.target { border-color: var(--acc); box-shadow: 0 0 0 2px var(--acc-soft) }
.mhead { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap }
.anchor { color: var(--dim); font-size: 13px }
.anchor:hover { color: var(--acc) }
.mid { font-weight: 600; overflow-wrap: anywhere }
.mmeta { font-size: 13px; margin-top: 2px }
.mprice { font-size: 13px; margin-top: 6px }
.mtiers { font-size: 12.5px; margin-top: 2px; color: var(--dim) }
.mcands { font-size: 13px; margin-top: 6px; overflow-wrap: anywhere }
.mspeed { font-size: 12.5px; margin-top: 2px; color: var(--dim) }
.mdetail { margin-top: 8px; font-size: 13px }
.mdetail summary {
  cursor: pointer; color: var(--dim); font-size: 12.5px;
  text-transform: uppercase; letter-spacing: .03em;
}
.mdetail summary:hover { color: var(--acc) }
.mdetail[open] {
  border-top: 1px solid var(--line); padding-top: 8px;
}
.mdetail[open] summary { margin-bottom: 6px }
.mdetail .mmeta { color: var(--dim) }
.mdetail .mmeta a { overflow-wrap: anywhere }
.badge.retire { color: var(--bad); border-color: var(--bad); text-transform: none }

.badge {
  display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: .02em;
  border-radius: 999px; padding: 1px 9px; border: 1px solid var(--line);
  color: var(--dim); background: transparent; text-transform: uppercase;
}
a.badge:hover { border-color: var(--acc); color: var(--acc) }
.badge.tier-no-store, .badge.tier-zdr, .badge.tier-confidential {
  color: var(--good); border-color: var(--good); background: var(--good-soft);
}
.badge.hq { text-transform: none }