:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5d6b78;
  --line: #d9e2ea;
  --brand: #006c67;
  --brand-dark: #084b50;
  --accent: #b54708;
  --bg: #f6f8f9;
  --panel: #ffffff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.shell { max-width: 1180px; margin: 0 auto; padding: 24px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}
h1 { margin: 0; font-size: 28px; letter-spacing: 0; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
#mode-pill {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 6px;
  font-weight: 700;
}
.notice, .status {
  margin: 16px 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
}
.status { border-color: #f2c94c; background: #fff8d8; }
.hidden { display: none; }
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
}
.chat-panel, .summary-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.messages {
  min-height: 420px;
  max-height: 56vh;
  overflow: auto;
  padding: 16px;
}
.msg {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 8px;
  max-width: 86%;
  white-space: pre-wrap;
  line-height: 1.42;
}
.bot { background: #eef6f6; border: 1px solid #d0e5e3; }
.user { background: var(--brand); color: white; margin-left: auto; }
.warn { background: #fff2e8; border-color: #ffd2b3; color: #8a3a00; }
.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0 16px 12px;
}
button {
  border: 0;
  background: var(--brand);
  color: #fff;
  padding: 9px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
}
button.secondary { background: #e8eef2; color: var(--ink); }
button.danger {
  background: #fff2e8;
  color: #8a3a00;
  border: 1px solid #ffd2b3;
}
button:disabled { opacity: .45; cursor: not-allowed; }
.composer {
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 12px;
}
input, textarea {
  flex: 1;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-width: 0;
  font: inherit;
}
textarea {
  width: 100%;
  resize: vertical;
  line-height: 1.35;
}
.summary-panel { padding: 16px; }
.summary-panel h2 { margin: 0 0 12px; font-size: 18px; }
.contact-editor {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 14px;
}
.contact-grid {
  display: grid;
  gap: 10px;
}
.contact-grid label,
.detail-row label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}
.contact-grid input,
.detail-row input,
.detail-row textarea {
  color: var(--ink);
  font-size: 14px;
  width: 100%;
}
.editor-actions,
.detail-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
}
.editor-actions button,
.detail-actions button {
  width: auto;
  margin: 0;
}
.confirm-status {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}
.confirm-status.ok { color: var(--brand); }
dl { margin: 0 0 14px; }
.detail-row {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  margin-top: 10px;
}
#review-btn, #create-btn, #reset-btn { width: 100%; margin: 6px 0; }
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #111b22;
  color: #e9f2f5;
  padding: 12px;
  border-radius: 8px;
  max-height: 360px;
  overflow: auto;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .shell { padding: 14px; }
}