:root {
  --bg: #F6F4EF;
  --ink: #111111;
  --muted: rgba(17, 17, 17, 0.55);
  --faint: rgba(17, 17, 17, 0.35);
  --panel: rgba(0, 0, 0, 0.03);
  --line: rgba(0, 0, 0, 0.06);
  --card: #ffffff;
  --green: #07966B;
  --amber: #F9C156;
  --salmon: #E8897A;
  --blue: #A4D1F1;
  --black: #050505;
  --mono: "Geist Mono", ui-monospace, monospace;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 500; letter-spacing: -0.05em; }
.brand img { width: 20px; height: 20px; }
.brand-sep { color: var(--faint); font-weight: 400; }
.brand-product { color: var(--green); font-weight: 500; }

.pill {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  padding: 4px 12px;
  border-radius: 999px;
}
.pill-muted { color: var(--muted); background: var(--panel); }
.pill-ok { color: var(--green); background: rgba(7, 150, 107, 0.1); }
.pill-warn { color: #b35342; background: rgba(232, 137, 122, 0.18); }

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 360px;
  min-height: 0;
}

/* Chat */
.chat-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.msg { max-width: 720px; }
.msg-user { align-self: flex-end; }
.msg-user .msg-body {
  background: var(--black);
  color: var(--bg);
  border-radius: 18px 18px 4px 18px;
  padding: 11px 16px;
  letter-spacing: -0.02em;
}
.msg-assistant .msg-body {
  white-space: pre-wrap;
  line-height: 1.6;
  background: var(--card);
  border-radius: 18px 18px 18px 4px;
  padding: 14px 18px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.msg-error .msg-body {
  color: #b35342;
  background: rgba(232, 137, 122, 0.12);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0;
}

.tool-trace {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--muted);
  border-left: 2px solid var(--line);
  padding: 2px 0 2px 10px;
  margin: 0 0 8px 6px;
}
.tool-trace .tool-name { color: var(--green); }
.tool-trace .tool-refusal { color: #b35342; }
.tool-trace summary { cursor: pointer; list-style: none; }
.tool-trace summary::-webkit-details-marker { display: none; }
.tool-trace pre {
  margin-top: 6px;
  padding: 10px;
  background: var(--panel);
  border-radius: 10px;
  overflow-x: auto;
  max-height: 220px;
  overflow-y: auto;
}

.thinking { color: var(--muted); font-family: var(--mono); font-size: 12px; letter-spacing: 0; }
.thinking::after {
  content: "…";
  animation: dots 1.2s steps(4, end) infinite;
}
@keyframes dots { 0% { content: ""; } 33% { content: "."; } 66% { content: ".."; } 100% { content: "..."; } }

.key-banner {
  margin: 0 28px 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: #8a4335;
  border-radius: 14px;
  background: rgba(232, 137, 122, 0.15);
}
.key-banner code { color: var(--ink); font-family: var(--mono); font-size: 12px; }

.composer {
  display: flex;
  gap: 10px;
  padding: 16px 28px 22px;
}
.composer input {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14.5px;
  letter-spacing: -0.02em;
  padding: 14px 18px;
  outline: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
.composer input::placeholder { color: var(--faint); }
.composer input:focus { border-color: rgba(0, 0, 0, 0.18); }
.composer button {
  background: var(--black);
  color: var(--bg);
  border: none;
  border-radius: 18px;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 14.5px;
  letter-spacing: -0.03em;
  padding: 0 26px;
  cursor: pointer;
  transition: transform 0.2s;
}
.composer button:hover { transform: scale(1.04); }
.composer button:disabled { opacity: 0.35; cursor: default; transform: none; }

/* Inbox */
.inbox-pane {
  overflow-y: auto;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  border-left: 1px solid var(--line);
  background: var(--panel);
}

.inbox-section h2 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 10px;
}

.inbox-list { display: flex; flex-direction: column; gap: 10px; }
.inbox-empty { color: var(--faint); font-size: 13px; }

.inbox-item {
  border-radius: 16px;
  padding: 13px 15px;
  background: var(--card);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.inbox-item.breached { box-shadow: inset 0 0 0 1.5px var(--salmon), 0 1px 2px rgba(0, 0, 0, 0.04); }
.inbox-item .row1 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.inbox-item .label { font-size: 13.5px; font-weight: 500; letter-spacing: -0.03em; }
.inbox-item .age { font-family: var(--mono); font-size: 11px; letter-spacing: 0; color: var(--faint); white-space: nowrap; }
.inbox-item .status {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--green);
  background: rgba(7, 150, 107, 0.1);
  padding: 2px 9px;
  border-radius: 999px;
  margin-top: 7px;
}
.inbox-item.breached .status { color: #b35342; background: rgba(232, 137, 122, 0.18); }
.inbox-item .summary { font-size: 12.5px; color: var(--muted); margin-top: 8px; line-height: 1.5; }
.inbox-item .next {
  display: inline-block;
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
}
.inbox-item .next.escalate_ops,
.inbox-item .next.do_not_retry { color: #b35342; background: rgba(232, 137, 122, 0.18); }

.balances {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0;
  background: var(--card);
  border-radius: 16px;
  padding: 14px 15px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.balances .bal-row { display: flex; justify-content: space-between; }
.balances .bal-key { color: var(--muted); }
.balances .bal-val { font-weight: 500; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .inbox-pane { border-left: none; border-top: 1px solid var(--line); }
}