/* Application chrome — global search, notifications, user menu, account switcher.
   Every rule is scoped to .ch-* (or the three empty slots this file owns). */

/* ---------- shared ---------- */
.ch-i{width:15px;height:15px;flex:0 0 auto;fill:none;stroke:currentColor;
  stroke-width:1.45;stroke-linecap:round;stroke-linejoin:round;display:block}
.ch-chev{width:13px;height:13px;stroke-width:1.6;color:var(--ink-4);transition:transform .18s var(--ease),color .18s var(--ease)}
[aria-expanded=true] .ch-chev{transform:rotate(180deg);color:var(--ink-2)}

.ch-pop{position:fixed;z-index:90;background:var(--bg-1);border:1px solid var(--line-2);
  border-radius:var(--r);box-shadow:var(--shadow-2);padding:6px;
  max-height:calc(100vh - 88px);overflow:auto;overscroll-behavior:contain;
  opacity:0;transform:translateY(-4px) scale(.985);transform-origin:top center;
  transition:opacity .13s var(--ease),transform .16s var(--ease)}
.ch-pop.is-open{opacity:1;transform:none}
.ch-sep{height:1px;background:var(--line);margin:6px 4px}
.ch-menu-h{font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-4);
  font-weight:700;padding:8px 10px 6px}

.ch-mi{display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  border-radius:var(--r-s);color:var(--ink-2);text-decoration:none;
  transition:background .13s var(--ease),color .13s var(--ease)}
.ch-row{padding:8px 10px;font-size:12.5px}
.ch-row .ch-i{color:var(--ink-4)}
.ch-mi:hover,.ch-mi:focus-visible{background:var(--brand-tint);color:var(--ink)}
.ch-mi:hover .ch-i,.ch-mi:focus-visible .ch-i{color:var(--brand-deep)}
.ch-mi:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}

/* ---------- 1. global search ---------- */
#searchSlot{display:flex;min-width:0;flex:0 1 300px}
.ch-search{position:relative;display:flex;align-items:center;width:100%;
  background:var(--bg-1);border:1px solid var(--line);border-radius:999px;
  height:32px;padding:0 8px 0 11px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease)}
.ch-search:hover{border-color:var(--line-2)}
.ch-search.is-open,.ch-search:focus-within{border-color:var(--brand-soft);background:var(--bg-1);
  box-shadow:0 0 0 3px var(--brand-tint),var(--shadow-1)}
.ch-search-ico{display:flex;color:var(--ink-4);flex:0 0 auto}
.ch-search.is-open .ch-search-ico,.ch-search:focus-within .ch-search-ico{color:var(--brand-deep)}
.ch-search-in{flex:1 1 auto;min-width:0;border:0;background:none;outline:none;
  font:inherit;font-size:12.5px;color:var(--ink);padding:0 8px;height:100%}
.ch-search-in::placeholder{color:var(--ink-4)}
.ch-kbd{flex:0 0 auto;pointer-events:none;font-family:var(--mono);font-size:10px;
  color:var(--ink-4);border:1px solid var(--line);background:var(--bg-2);
  border-radius:5px;padding:2px 5px;line-height:1.1;letter-spacing:.02em}
.ch-search:focus-within .ch-kbd{opacity:.5}

.ch-searchpop{padding:5px;width:380px;max-width:calc(100vw - 20px)}
.ch-grp{display:flex;align-items:center;gap:7px;padding:9px 10px 5px;
  font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-4);font-weight:700}
.ch-grp-i{display:flex;color:var(--ink-4)}
.ch-grp-i .ch-i{width:12px;height:12px}
.ch-grp-n{margin-left:auto;font-family:var(--mono);letter-spacing:0;font-size:10px;font-weight:500}
.ch-res{flex-direction:column;align-items:flex-start;gap:1px;padding:6px 10px}
.ch-res-t{font-size:12.5px;color:var(--ink);font-weight:500;line-height:1.35}
.ch-res-s{font-size:11px;color:var(--ink-4);line-height:1.35}
.ch-res b{font-weight:700;color:var(--brand-dark);background:var(--brand-tint);border-radius:2px;padding:0 1px}
.ch-res.is-active{background:var(--brand-tint)}
.ch-res.is-active .ch-res-t{color:var(--brand-dark)}
.ch-res.is-active .ch-res-s{color:var(--ink-3)}
.ch-empty{padding:20px 12px;font-size:12.5px;color:var(--ink-2);text-align:center}
.ch-empty span{display:block;font-size:11px;color:var(--ink-4);margin-top:5px}
.ch-foot{display:flex;justify-content:space-between;gap:10px;align-items:center;
  margin:5px -5px -5px;padding:8px 12px;border-top:1px solid var(--line);
  background:var(--bg-2);border-radius:0 0 9px 9px;font-size:10.5px;color:var(--ink-4)}
.ch-foot-k{font-family:var(--mono);font-size:10px}

/* ---------- actions cluster ---------- */
#actionsSlot{display:flex;align-items:center;gap:6px;flex:0 0 auto}

/* ---------- 2. notifications ---------- */
.ch-icobtn{position:relative;width:32px;height:32px;border-radius:8px;display:grid;place-items:center;
  color:var(--ink-3);border:1px solid transparent;transition:.16s var(--ease)}
.ch-icobtn .ch-i{width:16px;height:16px}
.ch-icobtn:hover{background:var(--brand-tint);color:var(--brand-deep)}
.ch-icobtn[aria-expanded=true]{background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand-soft)}
.ch-badge{position:absolute;top:2px;right:1px;min-width:15px;height:15px;padding:0 4px;
  border-radius:999px;background:var(--neg);color:#fff;font-size:9.5px;font-weight:700;
  line-height:15px;text-align:center;font-family:var(--mono);
  box-shadow:0 0 0 2px var(--topbar-bg)}
.ch-badge[hidden]{display:none}

.ch-notes{width:352px;max-width:calc(100vw - 20px);padding:0}
.ch-pop-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 12px 10px;border-bottom:1px solid var(--line)}
.ch-pop-t{font-size:12.5px;font-weight:600;color:var(--ink)}
.ch-quiet{font-size:11px;color:var(--ink-3);padding:4px 8px;border-radius:var(--r-s);width:auto}
.ch-quiet:hover{background:var(--brand-tint);color:var(--brand-deep)}
.ch-quiet:disabled{color:var(--ink-4);opacity:.5;cursor:default;background:none}
.ch-notelist{padding:5px}
.ch-note{align-items:flex-start;gap:9px;padding:8px 9px}
.ch-dot{width:6px;height:6px;border-radius:50%;background:transparent;flex:0 0 auto;margin-top:5px}
.ch-note.is-unread .ch-dot{background:var(--neg)}
.ch-note-b{display:flex;flex-direction:column;gap:2px;min-width:0}
.ch-note-t{font-size:12.5px;line-height:1.4;color:var(--ink-2)}
.ch-note.is-unread .ch-note-t{color:var(--ink);font-weight:500}
.ch-note-m{font-size:10.5px;color:var(--ink-4);display:flex;gap:7px;align-items:center}
.ch-note-a{position:relative;padding-left:8px;font-family:var(--mono);font-size:10px}
.ch-note-a::before{content:'';position:absolute;left:0;top:50%;width:3px;height:1px;background:var(--line-2)}
.ch-pop-foot{justify-content:center;padding:9px;font-size:11.5px;color:var(--ink-3);
  border-top:1px solid var(--line);border-radius:0 0 9px 9px}

/* ---------- 3. user menu ---------- */
.ch-user{display:flex;align-items:center;gap:9px;padding:4px 8px 4px 4px;border-radius:999px;
  border:1px solid transparent;transition:.16s var(--ease);max-width:210px}
.ch-user:hover{background:var(--brand-tint)}
.ch-user[aria-expanded=true]{background:var(--brand-tint);border-color:var(--brand-soft)}
.ch-av{flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:10px;font-weight:700;letter-spacing:.04em;color:#fff;
  background:linear-gradient(150deg,var(--brand),var(--brand-dark))}
.ch-av-lg{width:34px;height:34px;font-size:12px}
.ch-user-b{display:flex;flex-direction:column;align-items:flex-start;min-width:0;line-height:1.25}
.ch-user-n{font-size:12px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:118px}
.ch-user-r{font-size:10px;color:var(--ink-4);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:118px}

.ch-usermenu{width:232px}
.ch-id{display:flex;align-items:center;gap:10px;padding:10px 10px 11px}
.ch-id-b{display:flex;flex-direction:column;min-width:0;gap:2px}
.ch-id-n{font-size:12.5px;font-weight:600;color:var(--ink)}
.ch-id-m{font-size:10.5px;color:var(--ink-4)}

/* ---------- 4. account switcher ---------- */
#accountSlot{margin-top:5px}
#railAccount[hidden]{display:none!important}
.ch-acct{display:flex;align-items:center;gap:5px;width:calc(100% + 8px);
  padding:5px 7px;margin-left:-7px;border-radius:var(--r-s);border:1px solid transparent;
  transition:.16s var(--ease);text-align:left}
.ch-acct:hover{background:var(--brand-tint)}
.ch-acct[aria-expanded=true]{background:var(--brand-tint);border-color:var(--brand-soft)}
.ch-acct-n{font-size:11.5px;color:var(--ink-2);font-weight:600;flex:0 0 auto}
.ch-acct-m{font-size:11.5px;color:var(--ink-4);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ch-acct-m:not(:empty)::before{content:'·';margin-right:5px;color:var(--line-2)}
.ch-acct .ch-chev{margin-left:auto;flex:0 0 auto}
.ch-acct.is-flash{background:var(--brand-tint-2)}

.ch-acctmenu{width:260px}
.ch-unit{align-items:center}
.ch-unit-b{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1 1 auto}
.ch-unit-n{font-size:12.5px;color:var(--ink-2);line-height:1.35}
.ch-unit.is-cur .ch-unit-n{color:var(--brand-dark);font-weight:600}
.ch-unit-m{font-size:10.5px;color:var(--ink-4)}
.ch-row .ch-tick{color:var(--brand-deep);width:14px;height:14px;stroke-width:2;flex:0 0 auto}

/* ---------- responsive ---------- */
@media (max-width:1440px){
  #searchSlot{flex:0 1 268px}
  .ch-user-n,.ch-user-r{max-width:94px}
  .ch-user{gap:7px;padding:4px 6px 4px 4px}
}
/* below this the breadcrumb needs the room more than the name does */
@media (max-width:1340px){
  #searchSlot{flex:0 1 250px}
  .ch-user-b{display:none}
  .ch-user{padding:4px 2px 4px 4px;gap:2px;max-width:none}
}
@media (max-width:1000px){
  #searchSlot{flex:0 1 220px}
  .ch-searchpop{width:min(380px,calc(100vw - 20px))}
  #accountSlot{margin-top:4px}
  .ch-acct{margin-left:0;padding:4px 6px;width:auto}
}
@media (max-width:620px){
  .ch-kbd{display:none}
  .ch-notes{width:min(320px,calc(100vw - 20px))}
}