/* Signal · Radar — dark console foundation (redesigned from docs/radar-reference.html) */
:root{
  --bg:#0c0f14; --panel:#12161d; --panel2:#181d26; --line:#232a35;
  --ink:#e6ebf2; --ink2:#9aa5b4; --ink3:#647081;
  --sig:#3ddc97; --warn:#f0b429; --accent:#4cc2ff;
  --mono:ui-monospace,'SF Mono','Cascadia Mono',Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html,body{max-width:100%;overflow-x:hidden}
body{
  background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
a{color:var(--accent)}
.app{max-width:640px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;width:100%}

header.topbar{
  position:sticky;top:0;z-index:20;background:rgba(12,15,20,.96);
  border-bottom:1px solid var(--line);padding:10px 14px 8px;
}
.row1{display:flex;align-items:center;gap:8px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--sig);flex:0 0 auto}
.pulse.down{background:var(--warn)}
h1{font-size:15px;font-weight:700;letter-spacing:.04em;font-family:var(--mono);text-transform:uppercase}
h1 em{color:var(--sig);font-style:normal}
.stamp{margin-left:auto;font-size:11px;color:var(--ink3);font-family:var(--mono);white-space:nowrap}
input[type=search]{
  width:100%;min-height:44px;margin-top:8px;padding:9px 12px;background:var(--panel);
  border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:var(--mono);color:var(--ink);
}
input[type=search]:focus{outline:2px solid var(--accent);outline-offset:0}
input::placeholder{color:var(--ink3)}

nav.filters,nav.cats{display:flex;gap:6px;overflow-x:auto;padding:8px 14px 2px;scrollbar-width:none;max-width:100%}
nav.cats{padding-top:0}
nav.filters::-webkit-scrollbar,nav.cats::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;min-height:44px;padding:8px 11px;border:1px solid var(--line);border-radius:7px;
  background:var(--panel);font-family:var(--mono);font-size:12px;color:var(--ink2);
  display:flex;align-items:center;gap:6px;
}
.chip[aria-pressed=true]{border-color:var(--accent);color:var(--ink);background:var(--panel2)}
.chip .dot{width:7px;height:7px;border-radius:2px;flex:0 0 auto}
.chip b{color:var(--ink3);font-weight:400}
.cat{
  flex:0 0 auto;min-width:44px;min-height:44px;padding:8px 10px;font-family:var(--mono);font-size:11px;
  text-transform:uppercase;letter-spacing:.05em;color:var(--ink3);
  border:1px dashed transparent;border-radius:6px;
}
.cat[aria-pressed=true]{color:var(--sig);border-color:var(--sig)}

main{flex:1;padding:8px 14px 92px;width:100%}
.statusline{
  display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;
  color:var(--ink3);text-transform:uppercase;letter-spacing:.06em;margin:8px 2px;
}
.item{
  display:flex;gap:10px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--line);
  border-radius:10px;padding:12px;margin-bottom:8px;text-align:left;width:100%;
}
@media (hover:hover){.item:hover{background:var(--panel2)}}
.item:focus-visible,.chip:focus-visible,.cat:focus-visible,.tab:focus-visible,
.savebtn:focus-visible,.close:focus-visible,.srcline:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.item.hi{border-left-color:var(--sig)}
.item.med{border-left-color:var(--warn)}
.body{flex:1;min-width:0}
.meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-family:var(--mono);font-size:10.5px;color:var(--ink3)}
.co{display:inline-flex;align-items:center;gap:5px;color:var(--ink2)}
.mark{
  width:16px;height:16px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;
  font-size:7.5px;font-weight:700;color:#fff;flex:0 0 auto;
}
.tag{border:1px solid var(--line);border-radius:4px;padding:0 5px;line-height:16px}
.item h2{font-size:14px;line-height:1.4;margin:5px 0;font-weight:600}
.item p.sum{font-size:12.5px;line-height:1.45;color:var(--ink2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.sidecol{display:flex;flex-direction:column;flex:0 0 auto}
.savebtn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--ink3);border-radius:8px;margin:-8px -8px -8px 0}
.savebtn[aria-pressed=true]{color:var(--sig)}
.empty{text-align:center;padding:56px 24px;color:var(--ink3);font-family:var(--mono)}
.empty h3{color:var(--ink2);font-size:14px;margin-bottom:6px}

nav.bottombar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;background:#0a0d11;
  border-top:1px solid var(--line);display:flex;justify-content:center;
}
nav.bottombar .inner{width:100%;max-width:640px;display:flex}
.tab{
  flex:1;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);
  padding:6px 0 env(safe-area-inset-bottom);
}
.tab>span{white-space:nowrap}
.tab[aria-current=page]{color:var(--sig)}

.sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:40;opacity:0;pointer-events:none;transition:opacity .18s ease}
.sheet-backdrop.open{opacity:1;pointer-events:auto}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:41;max-width:640px;margin:0 auto;
  background:var(--bg);border:1px solid var(--line);border-bottom:none;border-radius:14px 14px 0 0;
  transform:translateY(102%);transition:transform .22s ease;max-height:88dvh;overflow-y:auto;
  padding:10px 16px calc(24px + env(safe-area-inset-bottom));
}
.sheet.open{transform:translateY(0)}
.grab{width:36px;height:3px;border-radius:2px;background:var(--line);margin:2px auto 12px}
.close{position:absolute;top:8px;right:8px;width:44px;height:44px;border-radius:8px;color:var(--ink3);font-size:18px;font-family:var(--mono)}
.sheet .meta{font-size:11px;margin-bottom:10px}
.sheet h2{font-size:17px;line-height:1.35;margin-bottom:10px;padding-right:36px}
.blk{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:8px}
.blk h4{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:5px;color:var(--accent)}
.blk p{font-size:13px;line-height:1.55;color:var(--ink2)}
.srcline{display:block;margin-top:4px;padding:13px;background:var(--panel2);border:1px solid var(--accent);
  border-radius:8px;font-family:var(--mono);font-size:13px;font-weight:600;text-align:left;min-height:44px}
.srcline:focus-visible{outline-offset:3px}
footer.provenance{padding:22px 16px 100px;border-top:1px solid var(--line);margin-top:8px}
footer.provenance h4{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink3);margin-bottom:6px}
footer.provenance p{font-size:12px;line-height:1.55;color:var(--ink3)}
.srchealth{margin-top:14px}
.srcrow{display:flex;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:10.5px;color:var(--ink2);padding:5px 0;border-bottom:1px dashed var(--line)}
.srcrow.fail{color:var(--warn)}

@media (min-width:900px){
  .app{max-width:760px}
  .item h2{font-size:15px}
  .item p.sum{-webkit-line-clamp:3}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}