/* ============================================================
   t4health — TR4KER health bar · design system v5
   Tokens → base → layout → components → pages → responsive
   IMPORTANT: selector names are load-bearing (app.js innerHTML
   hooks). Restyle freely, never rename.
   ============================================================ */

:root{
  color-scheme:dark;

  /* surfaces */
  --bg:#090b10; --bg2:#0d1119; --card:#12161f; --card2:#161c29;
  --line:#222a3b; --line2:#34405c;

  /* text */
  --tx:#eef1f7; --mut:#9aa3b6; --dim:#7a849b;

  /* status (kept in sync with app.js SC map) */
  --up:#25d366; --warn:#f5a623; --down:#ff4d5e; --acc:#5aa9ff;
  --acc-ink:#04121f;

  /* radius scale */
  --r-lg:18px; --r-md:14px; --r-sm:10px; --r-xs:8px;

  /* elevation */
  --edge:inset 0 1px 0 rgba(255,255,255,.05);
  --shadow:0 1px 2px rgba(0,0,0,.35), 0 14px 40px -18px rgba(0,0,0,.75);
  --glow:var(--edge), var(--shadow);
  --shadow-hover:var(--edge), 0 2px 4px rgba(0,0,0,.35), 0 20px 48px -18px rgba(0,0,0,.8);

  /* motion */
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------------- base ---------------- */
*{box-sizing:border-box}
html{scrollbar-color:#2a3346 transparent}
html,body{margin:0;background:var(--bg);color:var(--tx);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{background:
  radial-gradient(1200px 700px at 85% -12%, rgba(90,169,255,.09), transparent 60%),
  radial-gradient(900px 550px at -8% -6%, rgba(37,211,102,.05), transparent 55%),
  var(--bg)}
img{max-width:100%}
a{color:var(--acc);text-decoration:none;transition:color .15s var(--ease)}
a:hover{color:#8cc4ff}
::selection{background:rgba(90,169,255,.32)}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#2a3346;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#39445e}
::-webkit-scrollbar-corner{background:transparent}

.wrap{max-width:1120px;margin:0 auto;padding:28px 20px 64px}

/* ---------------- header ---------------- */
.top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.mark{width:42px;height:42px;border-radius:12px;flex:none;display:block;
  border:1px solid var(--line);box-shadow:var(--glow)}
.brand{display:flex;flex-direction:column;gap:1px}
.brand h1{font-size:20px;margin:0;letter-spacing:-.01em;font-weight:750}
.brand .u{color:var(--mut);font-size:13px}
.brand .u b{color:var(--tx);font-weight:600}
.spacer{flex:1}

.navlink{color:var(--tx);background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;font-size:12.5px;font-weight:500;
  box-shadow:var(--edge);transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease)}
.navlink:hover{border-color:var(--line2);background:var(--card2);color:var(--tx);transform:translateY(-1px)}
.navlink:active{transform:translateY(0)}

.live{display:flex;align-items:center;gap:8px;color:var(--mut);font-size:12.5px;
  font-variant-numeric:tabular-nums;background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:7px 13px;box-shadow:var(--edge)}
.live .beat{width:8px;height:8px;border-radius:50%;background:var(--up);
  box-shadow:0 0 0 0 rgba(37,211,102,.6);animation:beat 2s infinite}
@keyframes beat{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 8px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------------- hero ---------------- */
.hero{--h:var(--acc);position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:24px 26px;margin-bottom:20px;border:1px solid var(--line);
  background:linear-gradient(180deg,var(--card2),var(--card));box-shadow:var(--glow)}
.hero.ok,.hero.up{--h:var(--up)}
.hero.down{--h:var(--down)}
.hero.degraded{--h:var(--warn)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(640px 220px at 12% -40%,var(--h),transparent 62%);opacity:.11;
  transition:opacity .4s var(--ease)}
.hero::after{content:"";position:absolute;top:0;left:6%;right:40%;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--h) 55%,transparent),transparent)}
.hero .status{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero .pill{width:15px;height:15px;border-radius:50%;position:relative;flex:none}
.hero .pill::after{content:"";position:absolute;inset:-6px;border-radius:50%;opacity:.35;
  background:inherit;animation:beat 2.4s infinite}
.hero .big{font-size:27px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.hero .sub{color:var(--mut);font-size:13.5px;margin-top:3px}
.hero .counts{margin-left:auto;text-align:right}
.hero .counts .n{font-size:27px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.hero .counts .l{color:var(--mut);font-size:12px}
.hero .pill,.hero .counts .n{color:var(--h)}

/* downdetector row */
.hero .dd{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.hero .dd button{background:rgba(255,77,94,.09);border:1px solid rgba(255,77,94,.35);
  color:#ff9aa4;font:inherit;font-size:13px;font-weight:600;border-radius:var(--r-sm);
  padding:8px 15px;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
.hero .dd button:hover:not(:disabled){background:rgba(255,77,94,.17);border-color:rgba(255,77,94,.55);transform:translateY(-1px)}
.hero .dd button:active:not(:disabled){transform:translateY(0)}
.hero .dd button:disabled{opacity:.55;cursor:default}
.hero .ddn{color:var(--mut);font-size:12.5px;font-variant-numeric:tabular-nums}
.hero .ddspark{flex:1;min-width:120px;height:24px}

/* ---------------- public stats strip ---------------- */
.statstrip{display:grid;grid-template-columns:repeat(auto-fit,minmax(122px,1fr));gap:12px;margin-bottom:18px}
.statstrip:empty{display:none}
.statstrip .st{background:linear-gradient(180deg,var(--card2),var(--card));
  border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--glow);
  transition:border-color .18s var(--ease)}
.statstrip .st:hover{border-color:var(--line2)}
.statstrip .stn{font-size:22px;font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums;line-height:1.25}
.statstrip .stl{color:var(--mut);font-size:12px;margin-top:2px}

/* ---------------- controls ---------------- */
.controls{display:flex;align-items:center;gap:10px;margin:0 2px 12px;flex-wrap:wrap}
.controls .lbl{color:var(--mut);font-size:12.5px}
.seg{display:inline-flex;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:3px;gap:2px;box-shadow:var(--edge)}
.seg button{background:none;border:0;color:var(--mut);font:inherit;font-size:12.5px;
  font-weight:500;padding:5px 12px;border-radius:7px;cursor:pointer;
  transition:color .15s var(--ease),background .15s var(--ease)}
.seg button.on{background:var(--acc);color:var(--acc-ink);font-weight:650;
  box-shadow:0 2px 8px -2px rgba(90,169,255,.5)}
.seg button:hover:not(.on){color:var(--tx);background:rgba(255,255,255,.04)}

/* ---------------- cards (generic) ---------------- */
.card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--glow);margin-bottom:18px}
.card h2{display:flex;align-items:center;gap:9px;font-size:12px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--mut);margin:0 0 12px;font-weight:650}
.card h2::before{content:"";width:4px;height:13px;border-radius:2px;flex:none;
  background:linear-gradient(180deg,var(--acc),rgba(90,169,255,.25))}
.note{color:var(--dim);font-size:12px;margin-top:10px;line-height:1.5}
.card>.note:first-child{margin-top:0}

/* ---------------- big latency chart ---------------- */
#chart{width:100%;height:300px}
.legend{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.legend .li{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--mut);
  cursor:pointer;user-select:none;background:var(--bg2);border:1px solid var(--line);
  border-radius:999px;padding:4px 11px;
  transition:border-color .15s var(--ease),color .15s var(--ease),opacity .2s var(--ease)}
.legend .li:hover{border-color:var(--line2);color:var(--tx)}
.legend .li.off{opacity:.38;filter:saturate(.3)}
.legend .sw{width:12px;height:3px;border-radius:2px;flex:none}
.legend .li b{color:var(--tx);font-variant-numeric:tabular-nums;font-weight:650}

/* ---------------- service cards ---------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px;margin-bottom:18px}
.svc{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);
  border-radius:var(--r-md);padding:15px 16px 13px;box-shadow:var(--glow);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}
.svc:hover{transform:translateY(-2px);border-color:var(--line2);box-shadow:var(--shadow-hover)}
.svc .h{display:flex;align-items:center;gap:9px}
.svc .dot{width:9px;height:9px;border-radius:50%;flex:none;box-shadow:0 0 0 0 currentColor;
  transition:background .3s var(--ease)}
.svc .nm{font-weight:600;font-size:14.5px}
.svc .cur{margin-left:auto;font-weight:700;font-size:13.5px;font-variant-numeric:tabular-nums}
.svc .spark{height:40px;margin:9px -4px 4px}
.svc .bars{display:flex;gap:2px;height:10px;margin:8px 0 6px}
.svc .bars i{flex:1;border-radius:2px;min-width:2px;opacity:.9}
.svc .meta{display:flex;justify-content:space-between;color:var(--dim);font-size:12px;
  font-variant-numeric:tabular-nums}
.svc .p{color:var(--dim);font-size:11.5px;margin-top:3px;font-variant-numeric:tabular-nums}
.svc .det{color:var(--mut);font-size:12px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------------- two-column layouts ---------------- */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:820px){.cols,.cols2{grid-template-columns:1fr}}

/* ---------------- incidents ---------------- */
.card.inc,.card.chat{display:flex;flex-direction:column;height:420px}
#incidents{flex:1;min-height:0;overflow-y:auto}
#incidents table{width:100%;border-collapse:collapse;font-size:13px}
#incidents td{padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
#incidents tr:hover td{background:rgba(255,255,255,.02)}
#incidents .t{color:var(--dim);white-space:nowrap;font-size:12px;font-variant-numeric:tabular-nums}
.empty{color:var(--dim);font-size:13px;padding:14px 4px}
#incidents:has(.empty){display:flex;align-items:center;justify-content:center}
.chat .list:has(.empty){align-items:center;justify-content:center}
#incidents .empty,.chat .list .empty{text-align:center}

/* ---------------- chat ---------------- */
.chat .list{flex:1;min-height:0;overflow-y:auto;overflow-anchor:none;display:flex;
  flex-direction:column;gap:9px;padding-right:6px}
.chat .m{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:9px 12px}
.chat .m .who{font-size:12px;color:var(--acc);font-weight:600}
.chat .m .who span{color:var(--dim);font-weight:400;margin-left:7px;font-variant-numeric:tabular-nums}
.chat .m .b{font-size:14px;white-space:pre-wrap;word-break:break-word;margin-top:2px}
.chat form{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.chat input,.chat textarea,#userform input{background:var(--bg2);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--tx);font:inherit;padding:9px 12px;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
.chat input::placeholder,.chat textarea::placeholder,#userform input::placeholder{color:var(--dim)}
.chat input:focus,.chat textarea:focus,#userform input:focus{outline:none;
  border-color:rgba(90,169,255,.6);box-shadow:0 0 0 3px rgba(90,169,255,.14)}
.chat .nm{width:130px}
.chat .msg{flex:1;min-width:160px;resize:none;height:40px}
.chat button,#userform button{background:var(--acc);border:0;color:var(--acc-ink);font:inherit;
  font-weight:700;border-radius:var(--r-sm);padding:0 17px;cursor:pointer;
  transition:filter .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease)}
.chat button:hover:not(:disabled),#userform button:hover{filter:brightness(1.12);
  box-shadow:0 4px 14px -4px rgba(90,169,255,.5)}
.chat button:active:not(:disabled),#userform button:active{transform:translateY(1px)}
.chat button:disabled{opacity:.5;cursor:default}
.chat .hp{position:absolute;left:-9999px}
.chat .note{margin-top:8px}

/* ---------------- vantages ---------------- */
.vant{display:flex;flex-direction:column;gap:10px}
.vrow{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:11px 13px;
  transition:border-color .18s var(--ease)}
.vrow:hover{border-color:var(--line2)}
.vh{display:flex;align-items:center;gap:8px}
.vh .dot{width:9px;height:9px;border-radius:50%;flex:none}
.vh b{font-size:14px}
.vh .vago{margin-left:auto;color:var(--dim);font-size:12px;font-variant-numeric:tabular-nums}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--mut);
  font-variant-numeric:tabular-nums;background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:3px 9px}
.chip .cd{width:7px;height:7px;border-radius:50%;flex:none}

/* ---------------- profil lookup ---------------- */
#userform{display:flex;gap:8px;margin-bottom:14px}
#userform input{flex:1;min-width:0}
.userres .empty{padding:10px 2px}
.uhead{display:flex;align-items:center;gap:13px}
.uav{width:54px;height:54px;border-radius:14px;object-fit:cover;border:1px solid var(--line);
  box-shadow:var(--edge);flex:none}
.uname{font-size:17px;font-weight:700;letter-spacing:-.01em}
.utit{color:var(--mut);font-weight:500;font-size:13px}
.urole{color:var(--mut);font-size:12.5px;margin-top:2px}
.ubio{color:var(--mut);font-size:13px;margin:11px 0 2px;font-style:italic;line-height:1.5}
.unums{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
.sn{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:8px 13px;min-width:86px}
.sn .snn{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.3}
.sn .snl{color:var(--mut);font-size:11.5px;margin-top:1px}

/* ---------------- screenshots ---------------- */
.shots{display:grid;grid-template-columns:1fr;gap:14px}
.shots figure{margin:0}
.shots img{width:100%;border-radius:var(--r-sm);border:1px solid var(--line);display:block;
  box-shadow:var(--shadow);transition:border-color .18s var(--ease)}
.shots figure:hover img{border-color:var(--line2)}
.shots figcaption{color:var(--mut);font-size:12px;margin-top:6px;font-variant-numeric:tabular-nums}
.shots .empty{padding:20px 4px}

/* ---------------- footer ---------------- */
.foot{color:var(--dim);font-size:12px;margin-top:36px;padding-top:18px;
  border-top:1px solid var(--line);line-height:1.7}
.foot b{color:var(--mut);font-weight:650}
.foot a{color:var(--mut);text-decoration:underline;text-decoration-color:rgba(154,163,182,.3);
  text-underline-offset:2px}
.foot a:hover{color:var(--tx);text-decoration-color:var(--acc)}
.foot img{vertical-align:middle}

/* ---------------- bugs page ---------------- */
.bug{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);
  border-radius:var(--r-md);padding:15px 17px;box-shadow:var(--glow);margin-bottom:12px;
  transition:border-color .18s var(--ease)}
.bug:hover{border-color:var(--line2)}
.bh{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.bstatus{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  border:1px solid;border-radius:999px;padding:3px 10px;flex:none}
.btitle{font-size:15px;letter-spacing:-.005em}
.bsev{font-size:11.5px;font-weight:650;text-transform:capitalize}
.bcanal{color:var(--dim);font-size:11.5px;margin-left:auto}
.bsum{color:var(--tx);font-size:14px;margin:9px 0;line-height:1.55;opacity:.92}
.bstaff{background:rgba(37,211,102,.07);border-left:3px solid var(--up);
  border-radius:0 var(--r-xs) var(--r-xs) 0;padding:9px 13px;font-size:13.5px;color:#cfeede;line-height:1.5}
.bstaff .bslabel{color:var(--up);font-weight:700;font-size:10.5px;text-transform:uppercase;
  letter-spacing:.06em;margin-right:7px}
.bnostaff{color:var(--dim);font-size:12.5px;font-style:italic;margin-top:7px}

/* ---------------- responsive ---------------- */
@media(max-width:560px){
  .wrap{padding:18px 14px 48px}
  .top{gap:10px;margin-bottom:16px}
  .mark{width:36px;height:36px;border-radius:10px}
  .brand h1{font-size:17px}
  .hero{padding:18px 16px}
  .hero .big{font-size:22px}
  .hero .counts .n{font-size:22px}
  .card{padding:15px 16px}
  .card.inc,.card.chat{height:380px}
  .grid{grid-template-columns:1fr}
  .statstrip{gap:9px}
  .statstrip .st{padding:11px 13px}
  .statstrip .stn{font-size:19px}
  .chat .nm{width:100%}
  .chat .msg{min-width:0}
}

/* ---------------- motion preferences ---------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}