:root {
  color-scheme: light;
  --bg: #eef2f5;
  --surface: #ffffff;
  --surface-muted: #f6f8fa;
  --line: #d7dee5;
  --text: #1b252e;
  --muted: #657484;
  --accent: #16745f;
  --accent-dark: #105848;
  --warning: #a45b00;
  --shadow: 0 18px 50px rgba(25, 39, 52, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, "Noto Sans KR", sans-serif;
}

button,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 24px;
}

.workspace {
  max-width: 1440px;
  min-height: calc(100vh - 48px);
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.topbar {
  min-height: 76px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.2;
}

h2 {
  font-size: 14px;
  line-height: 1.4;
}

.status-pill {
  min-width: 140px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
}

.status-pill.ok .status-dot {
  background: var(--accent);
}

.content-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 250px minmax(360px, 1fr) 330px;
}

.side-panel,
.inspector {
  min-height: 0;
  background: var(--surface-muted);
  border-right: 1px solid var(--line);
  overflow: auto;
}

.inspector {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.panel-section {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

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

.example-button {
  height: 38px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  text-align: left;
  padding: 0 12px;
  cursor: pointer;
}

.example-button:hover,
.example-button:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.metrics dl {
  margin: 12px 0 0;
  display: grid;
  gap: 10px;
}

.metrics div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.metrics dt {
  color: var(--muted);
}

.metrics dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

.chat-panel {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.chat-log {
  flex: 1;
  min-height: 0;
  padding: 18px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message {
  max-width: 78%;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  padding: 12px;
}

.message.user {
  align-self: flex-end;
  background: #e8f3ef;
  border-color: #b9d8cf;
}

.message.agent {
  align-self: flex-start;
}

.message-meta {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.message-body {
  white-space: pre-wrap;
  line-height: 1.58;
  font-size: 14px;
}

.composer {
  border-top: 1px solid var(--line);
  padding: 14px;
  background: var(--surface);
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 92px;
  max-height: 180px;
  border: 1px solid var(--line);
  padding: 12px;
  line-height: 1.5;
  color: var(--text);
}

textarea:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(22, 116, 95, 0.16);
}

.composer-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.trace-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

#send-button {
  min-width: 96px;
  height: 38px;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

#send-button:hover,
#send-button:focus-visible {
  background: var(--accent-dark);
  outline: none;
}

#send-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.missing-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--text);
  line-height: 1.7;
  font-size: 14px;
}

pre {
  min-height: 180px;
  max-height: 420px;
  overflow: auto;
  margin: 12px 0 0;
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: #27323b;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
}

@media (max-width: 980px) {
  .app-shell {
    padding: 0;
  }

  .workspace {
    min-height: 100vh;
    border: 0;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .side-panel,
  .inspector {
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .message {
    max-width: 100%;
  }
}