:root {
  color-scheme: light;
  --ink: #1d1c1d;
  --muted: #616061;
  --line: #d9d6dc;
  --panel: #ffffff;
  --sidebar: #3f0e40;
  --sidebar-2: #5b1a5d;
  --allow: #0b7a53;
  --review: #9a6400;
  --deny: #b3261e;
  --bg: #f7f5f7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar);
  color: #fff;
  padding: 22px 16px;
}

.workspace {
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 24px;
}

.channel {
  border-radius: 6px;
  padding: 10px 12px;
  color: #eee5ee;
  margin-bottom: 6px;
}

.channel.active {
  background: var(--sidebar-2);
}

.desk {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0 0 6px;
  font-size: 24px;
}

.topbar p {
  margin: 0;
  color: var(--muted);
}

.status-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--muted);
  white-space: nowrap;
}

.composer {
  display: grid;
  grid-template-columns: auto minmax(240px, 520px) auto;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: #fbfafb;
}

select,
button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  font: inherit;
}

button {
  background: #1264a3;
  color: white;
  border-color: #1264a3;
  font-weight: 700;
  cursor: pointer;
}

.thread {
  padding: 28px;
  display: grid;
  gap: 20px;
}

.message {
  display: grid;
  grid-template-columns: 42px minmax(0, 820px);
  gap: 12px;
  align-items: start;
}

.avatar {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #dedbe1;
  font-weight: 700;
}

.avatar.bot {
  background: #1264a3;
  color: #fff;
}

.bubble {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.meta,
.need {
  color: var(--muted);
}

.decision-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.decision-row strong {
  font-size: 18px;
}

.decision-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  color: var(--muted);
}

.agent.allow strong {
  color: var(--allow);
}

.agent.review strong {
  color: var(--review);
}

.agent.deny strong {
  color: var(--deny);
}

pre {
  white-space: pre-wrap;
  font: 14px/1.45 Consolas, "Courier New", monospace;
  background: #f6f6f6;
  border-radius: 6px;
  padding: 12px;
}

.evidence {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.evidence-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.evidence-row span {
  display: grid;
  place-items: center;
  height: 28px;
  border-radius: 999px;
  background: #ece9ee;
  color: var(--muted);
  font-size: 12px;
}

.evidence-row p,
.escalation {
  margin: 0;
}

.escalation {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

@media (max-width: 800px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .topbar,
  .composer {
    padding-inline: 16px;
  }

  .composer {
    grid-template-columns: 1fr;
  }

  .thread {
    padding: 16px;
  }
}