.mc-chat {
  --mc-primary-color: #0D99FF;
  --mc-primary-hover: #1EADF4;
  --mc-white: #FFFFFF;
  --mc-gray50: #FAFBFB;
  --mc-gray100: #F6F8FA;
  --mc-gray200: #EAECED;
  --mc-gray300: #D0D5DD;
  --mc-gray400: #9EA4A9;
  --mc-gray500: #74777D;
  --mc-gray600: #464B53;
  --mc-gray800: #1C1E1F;
  --mc-gray900: #121416;
  --mc-blue50: #F5FBFF;
  --mc-blue100: #ECF8FE;
  --mc-blue200: #C6EAFC;
  --mc-blue400: #69C8F8;
  --mc-blue700: #0A7CC2;
  --mc-green50: #F4FCF9;
  --mc-green500: #53DCA4;
  --mc-red50: #FFF5F5;
  --mc-red500: #FF6161;
  --mc-orange100: #FFF4E5;
  --mc-font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Noto Sans KR', sans-serif;
}

/*
 * 우하단 플로팅 버튼 — 패널을 여는 진입점.
 *
 * 화면(viewport) 기준으로 고정한다. absolute 로 두면 가장 가까운 positioned 조상 기준이 되어
 * 소비처 레이아웃마다 자리가 달라진다 — academy 문항 화면에서는 편집기 칸의 오른쪽 가운데에 떴다(실측).
 * 컴포넌트가 document.body 로 포털해 내보내므로 조상의 transform·overflow 에도 안 갇힌다.
 */
.mc-chat-launcher {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 18px;
  border: none;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--mc-primary-color) 0%, var(--mc-primary-hover) 100%);
  color: var(--mc-white);
  font-family: var(--mc-font-family);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  transition: all 0.2s ease;
}
.mc-chat-launcher:hover { box-shadow: 0 6px 16px rgba(0, 0, 0, 0.24); transform: translateY(-1px); }
.mc-chat-launcher:active { transform: scale(0.97); }

/*
 * 패널을 띄우는 모드(floating) — 우측에서 슬라이드
 *
 * 폭은 헤더가 한 줄에 들어가는 크기로 잡는다. 실측한 자연폭이다.
 *   제목 194px(가장 긴 제목 기준)
 *   버튼 다섯 227px(지표·진단·교육과정·새 대화·닫기) + 사이 16px
 *   좌우 여백 48px                                  → 합 485px
 * academy 원본은 400px 인데 그쪽 헤더는 아이콘 버튼 셋이라 글자 폭이 안 든다.
 * 400px 로 두면 헤더가 두 줄로 접혀 높이가 74px 이 된다(실측).
 */
.mc-chat--floating {
  position: fixed;
  top: 0;
  right: 0;
  width: 500px;
  height: 100%;
  z-index: 1001;
  border-left: 1px solid var(--mc-gray300);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: none;
}
.mc-chat--floating.is-open {
  transform: translateX(0);
  box-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
}
@media (max-width: 768px) {
  .mc-chat--floating { width: 100%; }
}

.mc-chat {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: var(--mc-white);
  font-family: var(--mc-font-family);
  box-sizing: border-box;
}
.mc-chat *,
.mc-chat *::before,
.mc-chat *::after { box-sizing: border-box; }

.mc-chat__header {
  padding: 16px 20px;
  background: var(--mc-primary-color);
  color: var(--mc-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.mc-chat__title { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.mc-chat__actions { display: flex; gap: 4px; align-items: center; }
.mc-chat__icon-button {
  background: transparent;
  border: none;
  color: var(--mc-white);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s ease;
}
.mc-chat__icon-button:hover { background: rgba(255, 255, 255, 0.2); }
.mc-chat__icon-button.is-active { background: rgba(255, 255, 255, 0.25); }
.mc-chat__icon-button:disabled { opacity: 0.5; cursor: not-allowed; }

/* 상태줄. 항목이 늘면서 글자가 줄바꿈으로 쪼개졌다(「예시 전 비우 기」).
   각 항목은 안 쪼개지게 두고, 줄이 모자라면 항목 단위로 다음 줄로 넘긴다. */
.mc-chat__status {
  padding: 6px 16px;
  font-size: 11px;
  color: var(--mc-gray500);
  border-bottom: 1px solid var(--mc-gray200);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 8px;
  flex-shrink: 0;
}
.mc-chat__status > span:first-child { white-space: nowrap; }
.mc-chat__toggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  cursor: pointer;
  white-space: nowrap;
}
.mc-chat__toggle input { margin: 0; }
.mc-chat__modes { display: inline-flex; gap: 3px; flex-shrink: 0; }
.mc-chat__modes--wrap { flex-wrap: wrap; flex-shrink: 1; }
.mc-chat__modes button {
  border: 1px solid var(--mc-gray300);
  background: var(--mc-white);
  color: var(--mc-gray600);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.mc-chat__modes button.is-active {
  background: var(--mc-primary-color);
  border-color: var(--mc-primary-color);
  color: var(--mc-white);
}

.mc-chat__metrics { font-size: 11px; overflow-x: auto; border-bottom: 1px solid var(--mc-gray200); padding: 6px 12px; }
.mc-chat__metrics table { border-collapse: collapse; width: 100%; }
.mc-chat__metrics th,
.mc-chat__metrics td { border: 1px solid var(--mc-gray200); padding: 2px 5px; text-align: right; white-space: nowrap; }
.mc-chat__metrics th:first-child,
.mc-chat__metrics td:first-child { text-align: left; }

/* 진단 패널 — 개발 중 요청·툴 스키마·응답 원문·표본을 그대로 본다 */
.mc-chat__diag {
  max-height: 45%;
  overflow: auto;
  font-size: 12px;
  color: var(--mc-gray800);
  background: var(--mc-gray50);
  border-bottom: 1px solid var(--mc-gray200);
  padding: 8px 12px;
  max-height: 260px;
  overflow-y: auto;
}
.mc-chat__diag-row { margin-bottom: 2px; }
.mc-chat__diag-row b { color: var(--mc-gray600); margin-right: 4px; }
.mc-chat__diag-tools {
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
  color: var(--mc-gray600);
  margin: 4px 0 6px;
  word-break: break-all;
}
.mc-chat__diag-actions { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; margin-bottom: 6px; }
.mc-chat__diag-actions button {
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid var(--mc-gray300);
  background: var(--mc-white);
  color: var(--mc-gray800);
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
}
.mc-chat__diag-actions button:hover:not(:disabled) { background: var(--mc-gray100); }
.mc-chat__diag-actions button:disabled { opacity: 0.5; cursor: not-allowed; }
.mc-chat__diag-copied { color: var(--mc-primary-color); }
.mc-chat__diag details { margin-top: 4px; }
.mc-chat__diag summary { cursor: pointer; color: var(--mc-gray600); }
.mc-chat__diag pre {
  margin: 4px 0 0;
  padding: 6px;
  background: var(--mc-white);
  border: 1px solid var(--mc-gray200);
  border-radius: 4px;
  max-height: 180px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 11px;
}

.mc-chat__examples { background: var(--mc-blue50); margin: 8px 12px 0; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.mc-chat__examples-head {
  width: 100%;
  padding: 8px 12px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: inherit;
}
.mc-chat__examples-head:hover { background: var(--mc-blue100); }
.mc-chat__examples-title { font-size: 13px; font-weight: 600; color: var(--mc-gray800); }
.mc-chat__examples-body { padding: 0 12px 10px; }
.mc-chat__levels { display: flex; gap: 4px; margin-bottom: 6px; }
.mc-chat__levels button {
  border: 1px solid var(--mc-blue200);
  background: var(--mc-white);
  color: var(--mc-blue700);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}
.mc-chat__levels button.is-active { background: var(--mc-primary-color); border-color: var(--mc-primary-color); color: var(--mc-white); }
.mc-chat__chips { display: flex; flex-wrap: wrap; gap: 4px; }
.mc-chat__chip {
  padding: 6px 10px;
  background: var(--mc-white);
  border: 1px solid var(--mc-blue200);
  border-radius: 14px;
  font-size: 11px;
  color: var(--mc-blue700);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all 0.2s ease;
}
.mc-chat__chip:hover:not(:disabled) { background: var(--mc-blue100); border-color: var(--mc-blue400); }
.mc-chat__chip:disabled { opacity: 0.5; cursor: not-allowed; }

.mc-chat__body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}
.mc-chat__body::-webkit-scrollbar { width: 6px; }
.mc-chat__body::-webkit-scrollbar-track { background: var(--mc-gray100); }
.mc-chat__body::-webkit-scrollbar-thumb { background: var(--mc-gray400); border-radius: 3px; }

.mc-chat__bubble {
  max-width: 85%;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
  align-self: flex-start;
  background: var(--mc-gray100);
  color: var(--mc-gray900);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}
.mc-chat__bubble--user { align-self: flex-end; background: var(--mc-primary-color); color: var(--mc-white); }
.mc-chat__bubble--think { background: var(--mc-orange100); color: var(--mc-gray800); font-size: 12px; }

/* 실행 기록 — 성공/실패를 좌측 보더로 구분 */
.mc-chat__exec {
  align-self: stretch;
  max-width: 100%;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
  color: var(--mc-gray800);
  white-space: pre-wrap;
  word-break: break-all;
}
.mc-chat__exec--call { background: var(--mc-blue50); border-left: 3px solid var(--mc-primary-color); }
.mc-chat__exec--result { background: var(--mc-green50); border-left: 3px solid var(--mc-green500); }
.mc-chat__exec--error { background: var(--mc-red50); border-left: 3px solid var(--mc-red500); }

.mc-chat__meta { font-size: 11px; color: var(--mc-gray500); align-self: flex-start; }
.mc-chat__modes button.is-done { border-color: var(--mc-green500); color: var(--mc-green500); }
.mc-chat__diag details { margin: 2px 0 2px 8px; }
.mc-chat__diag summary { cursor: pointer; font-size: 12px; color: var(--mc-gray800); }
.mc-chat__diag .pre { margin: 2px 0; padding: 6px 8px; background: var(--mc-white); font-size: 12px; white-space: pre-wrap; word-break: break-all; max-height: 260px; overflow: auto; }
.mc-chat__diag .ev { padding: 6px 8px; border-bottom: 1px solid var(--mc-gray200); }
.mc-chat__diag .ev.bad .ev__head { color: var(--mc-red500); }
.mc-chat__diag .ev.start .ev__head { color: var(--mc-gray500); }

.mc-chat__loading { display: flex; gap: 4px; padding: 12px 16px; align-self: flex-start; }
.mc-chat__loading span {
  width: 8px;
  height: 8px;
  background: var(--mc-gray400);
  border-radius: 50%;
  animation: mc-chat-bounce 1.4s infinite ease-in-out both;
}
.mc-chat__loading span:nth-child(1) { animation-delay: -0.32s; }
.mc-chat__loading span:nth-child(2) { animation-delay: -0.16s; }
@keyframes mc-chat-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

.mc-chat__footer {
  padding: 12px 16px;
  border-top: 1px solid var(--mc-gray200);
  background: var(--mc-white);
  flex-shrink: 0;
}
.mc-chat__input-wrap {
  border: 2px solid var(--mc-gray300);
  border-radius: 12px;
  background: var(--mc-white);
  transition: all 0.2s ease;
  overflow: hidden;
}
.mc-chat__input-wrap:hover { border-color: var(--mc-gray400); }
.mc-chat__input-wrap.is-focused { border-color: var(--mc-primary-color); }
.mc-chat__input-area { display: flex; align-items: flex-end; gap: 8px; padding: 8px 8px 8px 12px; }
.mc-chat__textarea {
  flex: 1;
  padding: 8px 0;
  border: none;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  min-height: 24px;
  max-height: 120px;
  line-height: 1.5;
  background: transparent;
  color: var(--mc-gray900);
}
.mc-chat__textarea:focus { outline: none; }
.mc-chat__textarea::placeholder { color: var(--mc-gray400); }
.mc-chat__textarea:disabled { background: transparent; cursor: not-allowed; color: var(--mc-gray500); }
.mc-chat__send {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mc-primary-color);
  border: none;
  border-radius: 6px;
  color: var(--mc-white);
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.mc-chat__send:hover:not(:disabled) { background: var(--mc-primary-hover); }
.mc-chat__send:active:not(:disabled) { transform: scale(0.95); }
.mc-chat__send:disabled { background: var(--mc-gray200); cursor: not-allowed; }
/* 진행 중에는 같은 자리가 멈춤 버튼이 된다. 색은 이 파일이 이미 쓰는 오류색 변수다. */
.mc-chat__send--stop { background: var(--mc-red500); }
.mc-chat__send--stop:hover:not(:disabled) { background: var(--mc-red500); opacity: 0.85; }