:root {
  --bg: #0f1420;
  --panel: #161d2c;
  --panel-2: #1c2436;
  --border: #29334a;
  --text: #e6eaf2;
  --muted: #98a2b8;
  --accent: #4f8cff;
  --ok: #37c98b;
  --warn: #f0b26b;
  --bad: #f26d6d;
  --mono: "Consolas", "Menlo", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.brand-sub {
  color: var(--muted);
  margin-left: 10px;
  font-size: 13px;
}

.badge {
  background: var(--warn);
  color: #3a2400;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
  font-size: 12px;
  margin-left: 8px;
}

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 12px;
  padding: 12px;
  min-height: 0;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-log {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}

.msg {
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 8px;
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.45;
}

.msg.user {
  align-self: flex-end;
  background: var(--accent);
  color: #06122a;
}

.msg.assistant {
  align-self: flex-start;
  background: var(--panel-2);
  border: 1px solid var(--border);
}

.block {
  align-self: flex-start;
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
}

.block.error { border-left-color: var(--bad); }
.block.attention { border-left-color: var(--warn); }

.block h3 {
  margin: 0 0 6px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.block ul { margin: 4px 0 0; padding-left: 18px; }
.block li { margin: 3px 0; }

.kv { font-family: var(--mono); font-size: 12px; }
.pill {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 11px;
  margin-right: 4px;
}
.pill.ok { background: #1d3a2e; color: var(--ok); }
.pill.warn { background: #3a2b16; color: var(--warn); }
.pill.bad { background: #3a1e1e; color: var(--bad); }

.commands {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px 0;
}

.chip {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 14px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}
.chip:hover { color: var(--text); border-color: var(--accent); }

.composer {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--border);
}

.composer input {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
}

.composer button {
  background: var(--accent);
  border: none;
  color: #06122a;
  font-weight: 700;
  border-radius: 6px;
  padding: 0 18px;
  cursor: pointer;
}

.trace-panel {
  padding: 12px;
  overflow-y: auto;
}

.trace-panel h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 14px 0 6px;
}
.trace-panel h2:first-child { margin-top: 0; }

.hint { color: var(--muted); font-size: 12px; }

.trace-list { list-style: none; padding: 0; margin: 0; }
.trace-list li {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 6px;
  border-left: 2px solid var(--border);
  margin: 3px 0;
  color: var(--muted);
}
.trace-list li.running { border-left-color: var(--accent); color: var(--text); }
.trace-list li.success { border-left-color: var(--ok); }
.trace-list li.error { border-left-color: var(--bad); color: var(--bad); }

.tools-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.tools-list li { padding: 3px 0; border-bottom: 1px dotted var(--border); }

.footer {
  text-align: center;
  padding: 8px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}