:root {
  --bg: #08090a;
  --bg-2: #101214;
  --line: #24282c;
  --text: #ece6db;
  --muted: #8d877f;
  --copper: #c56a3c;
  --pass: #7dba6a;
  --fail: #d45a4a;
  --think: #7d93a8;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); }
body {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 13.5px;
  letter-spacing: 0.01em;
}
h1, h2, h3, .brand strong {
  font-family: Syne, "Avenir Next", sans-serif;
  font-weight: 750;
  letter-spacing: -0.03em;
}
button, input, textarea {
  font: inherit;
  color: inherit;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 0;
}
button {
  background: var(--copper);
  color: #140b08;
  border-color: var(--copper);
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 500;
}
button.ghost, button.danger, nav button {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
button.danger { color: var(--fail); border-color: var(--fail); }
button:hover { filter: brightness(1.08); }
.hidden { display: none !important; }
.login {
  min-height: 100%;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, transparent, #08090a 70%),
    repeating-linear-gradient(-12deg, transparent 0 18px, #121416 18px 19px);
}
.login-card {
  width: min(440px, 92vw);
  padding: 36px;
  background: var(--bg-2);
  border: 1px solid var(--line);
}
.login-card h1 { margin: 8px 0 0; font-size: 42px; }
.lede { color: var(--muted); }
label { display: flex; flex-direction: column; gap: 6px; margin: 14px 0; color: var(--muted); text-transform: uppercase; font-size: 11px; }
input, textarea { padding: 10px 12px; width: 100%; }
.err { color: var(--fail); min-height: 1.2em; }
.app { display: grid; grid-template-columns: 230px 1fr; height: 100%; }
aside {
  border-right: 1px solid var(--line);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.mark {
  width: 36px; height: 36px; display: grid; place-items: center;
  background: var(--copper); color: #140b08;
  font-family: Syne, sans-serif; font-weight: 800;
}
.brand em { display: block; color: var(--muted); font-style: normal; font-size: 11px; }
nav { display: flex; flex-direction: column; gap: 6px; }
nav button { text-align: left; padding: 10px 12px; }
nav button.active { border-color: var(--copper); color: var(--copper); }
.aside-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.pill { font-size: 11px; padding: 8px 10px; border: 1px solid var(--line); color: var(--muted); }
.pill.live { color: var(--pass); border-color: var(--pass); }
.pill.dead { color: var(--fail); border-color: #3a2220; }
main { display: flex; flex-direction: column; min-width: 0; }
header {
  display: flex; justify-content: space-between; gap: 24px; align-items: flex-end;
  padding: 22px 28px 16px; border-bottom: 1px solid var(--line);
}
header h2 { margin: 0; font-size: 28px; }
.eyebrow { margin: 0; color: var(--copper); text-transform: uppercase; font-size: 11px; }
.telemetry { color: var(--muted); text-align: right; white-space: pre-line; font-size: 12px; }
.view { flex: 1; min-height: 0; padding: 20px 28px 28px; display: flex; flex-direction: column; gap: 16px; }
.transcript { flex: 1; overflow: auto; display: flex; flex-direction: column; gap: 16px; }
.msg { max-width: 780px; padding: 14px 16px; border: 1px solid var(--line); background: var(--bg-2); }
.msg.user { align-self: flex-end; border-color: #3a2a24; }
.msg .role { color: var(--copper); font-size: 11px; text-transform: uppercase; margin-bottom: 8px; }
.msg .think { color: var(--think); font-size: 12px; margin-bottom: 10px; white-space: pre-wrap; }
.msg .body { white-space: pre-wrap; }
.composer { border: 1px solid var(--line); background: var(--bg-2); }
.composer textarea { border: 0; resize: vertical; min-height: 84px; }
.composer-bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; border-top: 1px solid var(--line); }
.check { flex-direction: row; align-items: center; gap: 8px; text-transform: none; margin: 0; color: var(--muted); }
.split { display: grid; grid-template-columns: 1.4fr 0.9fr; gap: 18px; min-height: 0; flex: 1; }
.list { overflow: auto; display: flex; flex-direction: column; gap: 8px; }
.item { padding: 12px; border: 1px solid var(--line); background: var(--bg-2); }
.item b { display: block; margin-bottom: 4px; }
.ok { color: var(--pass); }
.bad { color: var(--fail); }
.panel { padding: 18px; border: 1px solid var(--line); background: var(--bg-2); }
.toolbar { display: flex; gap: 10px; align-items: center; }
.muted { color: var(--muted); }
.cards { display: grid; grid-template-columns: 1fr 1.2fr; gap: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
.row { display: flex; gap: 8px; }
.log {
  flex: 1; overflow: auto; padding: 14px; background: #070808; border: 1px solid var(--line);
  white-space: pre-wrap; color: #c8c2b8; min-height: 160px;
}
.msg.tool { border-color: #243018; color: var(--muted); font-size: 12px; }
.msg .tool-name { color: var(--pass); }
.chat-toolbar { flex: 0; }
#thread-list { flex: 1; padding: 8px 10px; min-width: 0; }
#graph-svg { width: 100%; height: 560px; background: var(--bg-2); border: 1px solid var(--line); }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  aside { flex-direction: row; flex-wrap: wrap; }
  .split, .cards { grid-template-columns: 1fr; }
}