:root {
  --bg: #0a0e17;
  --panel: #121826;
  --panel2: #1a2234;
  --line: #2a3348;
  --line2: #3a4660;
  --txt: #e8ecf4;
  --dim: #8b93a7;
  --amber: #f5c542;
  --cyan: #5ce1ff;
  --red: #ff6b6b;
  --glow: rgba(92, 225, 255, 0.16);
  --glow-a: rgba(245, 197, 66, 0.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  background: radial-gradient(1200px 600px at 15% -10%, #182038 0%, var(--bg) 55%);
  color: var(--txt);
  font-family: "JetBrains Mono", "SF Mono", "Cascadia Code", ui-monospace, monospace;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
#app { display: flex; height: 100vh; }

#sidebar {
  width: 360px; flex-shrink: 0;
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg) 100%);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; min-height: 0;
}
#brand {
  display: flex; align-items: center; gap: 10px;
  padding: 16px; border-bottom: 1px solid var(--line);
}
#brand .mark { width: 28px; height: 28px; }
#brand h1 { font-size: 13px; letter-spacing: 0.14em; font-weight: 800; }
#brand .sub { font-size: 10px; color: var(--amber); letter-spacing: 0.1em; }
.brand-actions { margin-left: auto; display: flex; gap: 6px; }
.brand-actions button, #expand-btn, #stats-btn, #collapse-btn {
  background: var(--panel2); border: 1px solid var(--line2); color: var(--dim);
  border-radius: 8px; cursor: pointer; font-family: inherit; font-size: 11px;
  padding: 6px 8px;
}
.brand-actions button.on, #stats-btn.on { border-color: var(--amber); color: var(--amber); }

#tools { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.search-wrap {
  display: flex; align-items: center; gap: 6px;
  background: var(--panel2); border: 1px solid var(--line2); border-radius: 9px;
}
.search-wrap:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--glow); }
#search {
  flex: 1; background: none; border: none; color: var(--txt);
  font-family: inherit; font-size: 13px; padding: 10px 8px; outline: none;
}
#search-clear { background: none; border: none; color: var(--dim); cursor: pointer; padding: 0 10px; }
.sort-row { display: flex; gap: 8px; }
.seg { display: flex; background: var(--panel2); border: 1px solid var(--line2); border-radius: 9px; overflow: hidden; flex: 1; }
.seg button {
  flex: 1; background: none; border: none; color: var(--dim);
  font-family: inherit; font-size: 12px; padding: 7px 8px; cursor: pointer;
}
.seg button.on { background: var(--amber); color: #14120a; font-weight: 700; }

#model-list { list-style: none; overflow-y: auto; flex: 1; padding: 4px 8px 16px; }
.mrow {
  padding: 9px 11px; border-radius: 9px; cursor: pointer;
  border: 1px solid transparent;
}
.mrow:hover { background: var(--panel2); }
.mrow.active { border-color: var(--cyan); background: rgba(92,225,255,0.06); }
.mrow .name { display: block; font-size: 13px; word-break: break-all; }
.mrow .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.chip {
  font-size: 10px; padding: 2px 7px; border-radius: 999px;
  border: 1px solid var(--line2); color: var(--dim);
}
.chip.live { color: var(--cyan); border-color: rgba(92,225,255,0.35); }
.chip.warn { color: var(--amber); border-color: rgba(245,197,66,0.35); }
.chip.ok { color: #3ddc97; border-color: rgba(61,220,151,0.35); }
mark { background: var(--amber); color: #14120a; border-radius: 2px; padding: 0 2px; }

#stage { flex: 1; min-width: 0; display: flex; flex-direction: column; position: relative; }
#welcome {
  margin: auto; text-align: center; padding: 32px 20px; max-width: 520px;
}
#welcome .flag { width: 72px; height: 72px; margin: 0 auto 12px; }
#welcome h2 { font-size: 22px; letter-spacing: 0.16em; }
#welcome .tag { color: var(--dim); margin-top: 8px; font-size: 12px; }
.counters { display: flex; justify-content: center; gap: 40px; margin-top: 28px; }
.counter .cnum { display: block; font-size: 42px; font-weight: 800; color: var(--cyan); }
.counter .clbl { color: var(--dim); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
#welcome .hint { margin-top: 22px; color: var(--dim); font-size: 12px; }
.auth-box {
  margin-top: 20px; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel); text-align: left; font-size: 12px; color: var(--dim);
}
.auth-box strong { color: var(--txt); }
.auth-box.bad { border-color: var(--red); }
.auth-box.good { border-color: rgba(61,220,151,0.5); }

#session { display: flex; flex-direction: column; height: 100%; }
#chat-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line);
  background: rgba(18,24,38,0.85);
}
#ch-name { font-weight: 700; }
#detail {
  flex: 1; overflow: auto; padding: 20px; color: var(--dim); font-size: 13px;
}
#detail h3 { color: var(--amber); font-size: 12px; letter-spacing: 0.1em; margin: 16px 0 8px; }
#detail code { color: var(--cyan); }

#expand-btn {
  display: none; position: fixed; top: 12px; left: 12px; z-index: 50;
  width: 36px; height: 36px;
}
#app.sb-hidden #sidebar { display: none; }
#app.sb-hidden #expand-btn { display: block; }
#sb-backdrop { display: none; }

/* modal */
.modal { position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.65); }
.modal-box {
  position: relative; width: min(880px, 94vw); max-height: 90vh; overflow: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px;
}
.stats-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.stats-head h2 { font-size: 13px; letter-spacing: 0.14em; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.tile { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 14px; text-align: center; }
.tile .val { font-size: 24px; font-weight: 800; color: var(--cyan); }
.tile .lbl { font-size: 11px; color: var(--dim); margin-top: 4px; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card { background: var(--panel2); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.card h3 { font-size: 12px; letter-spacing: 0.08em; margin-bottom: 10px; color: var(--dim); }
.bar-row { display: grid; grid-template-columns: 120px 1fr 48px; gap: 8px; align-items: center; margin: 6px 0; font-size: 11px; }
.bar-lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { height: 8px; background: var(--bg); border-radius: 99px; overflow: hidden; }
.bar-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--amber)); }
.legend { list-style: none; font-size: 11px; color: var(--dim); }
.legend li { display: flex; gap: 8px; align-items: center; margin: 4px 0; }
.sw { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

@media (max-width: 720px) {
  #sidebar {
    position: fixed; inset: 0 auto 0 0; width: min(340px, 86vw); z-index: 60;
    box-shadow: 0 0 50px rgba(0,0,0,0.7);
  }
  #app:not(.sb-hidden) #sb-backdrop {
    display: block; position: fixed; inset: 0; z-index: 55; background: rgba(0,0,0,0.55);
  }
  .tiles, .cards { grid-template-columns: 1fr; }
}