/* =============================================================
   AI Chat — Synapse Violet Edition (chat-specific styles)
   ============================================================= */

/* ─── Shell (전체 채팅 레이아웃) ─── */
.ag-chat-shell {
  display: flex;
  height: 100%;            /* 부모 .ag-main--chat이 viewport 풀-높이 */
  position: relative;
  overflow: hidden;
}

/* ─── 추천 질문 사이드바 ─── */
.ag-suggest {
  width: 300px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  transition: width var(--t-base) var(--ease), margin-left var(--t-base) var(--ease);
}
.ag-suggest.is-collapsed {
  width: 0;
  border-right: none;
  margin-left: -1px;
}

.ag-suggest__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.ag-suggest__head h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}
.ag-suggest__head h3 i { color: var(--violet); font-size: 13px; }
.ag-suggest__close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  width: 26px; height: 26px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}
.ag-suggest__close:hover { background: var(--surface-2); color: var(--text); }

.ag-suggest__body {
  flex: 1;
  overflow-y: auto;
  padding: 60px 14px 14px;     /* 좌상단 햄버거 공간 확보 */
}

.ag-suggest__group {
  margin-bottom: 18px;
}
.ag-suggest__label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--en);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 8px;
  padding-left: 4px;
  text-transform: uppercase;
}
.ag-suggest__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
}
.ag-suggest__dot.--erp { background: var(--violet); box-shadow: 0 0 5px var(--violet); }
.ag-suggest__dot.--crm { background: var(--magenta); box-shadow: 0 0 5px var(--magenta); }
.ag-suggest__dot.--wms { background: var(--cyan); box-shadow: 0 0 5px var(--cyan); }

.ag-suggest__btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 12px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  margin-bottom: 6px;
  transition: all var(--t-fast) var(--ease);
}
.ag-suggest__btn:hover {
  background: var(--violet-soft);
  border-color: var(--border-violet);
  color: var(--text);
  transform: translateX(2px);
}
.ag-suggest__btn i {
  width: 14px;
  text-align: center;
  color: var(--violet-light);
  font-size: 11px;
  flex-shrink: 0;
}

/* ─── 채팅 메인 ─── */
.ag-chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
}

/* ─── 추천 질문 햄버거 (좌상단 플로팅) ─── */
.ag-chat-burger {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 30;             /* 패널(20)·백드롭(19) 위에 항상 표시 */
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}
.ag-chat-burger:hover {
  background: var(--violet-soft);
  border-color: var(--border-violet);
}
.ag-chat-burger.is-active {
  background: var(--violet-soft);
  border-color: var(--violet);
  box-shadow: var(--ring-violet);
}

/* 햄버거 → X 모핑 (3개 막대) */
.ag-chat-burger__bar {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transform-origin: center;
  transition: transform var(--t-base) var(--ease),
              opacity var(--t-base) var(--ease),
              background var(--t-fast) var(--ease);
}
.ag-chat-burger:hover .ag-chat-burger__bar { background: var(--violet); }
.ag-chat-burger.is-active .ag-chat-burger__bar { background: var(--violet); }
.ag-chat-burger.is-active .ag-chat-burger__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.ag-chat-burger.is-active .ag-chat-burger__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.ag-chat-burger.is-active .ag-chat-burger__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ─── 메시지 스트림 ─── */
.ag-chat-stream {
  flex: 1;
  overflow-y: auto;
  padding: 60px 0 24px;        /* 상단 햄버거 영역 확보 */
  scroll-behavior: smooth;
}

/* ─── 환영 화면 ─── */
.ag-welcome {
  max-width: 720px;
  margin: 40px auto 0;
  padding: 0 24px 40px;
  text-align: center;
  animation: ag-fade-up 480ms var(--ease) both;
}
.ag-welcome__orb-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}
.ag-welcome h2 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, #c4b5fd 60%, #f472b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ag-welcome p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 28px;
}
.ag-welcome__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}
.ag-welcome__chips .ag-chip {
  font-size: 12px;
}

/* ─── 메시지 (공통) ─── */
.ag-msg {
  max-width: 920px;
  margin: 0 auto 14px;
  padding: 0 24px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.ag-msg__inner {
  display: flex;
  gap: 12px;
  width: 100%;
  align-items: flex-start;
}

.ag-msg__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ag-msg__content {
  flex: 1;
  min-width: 0;
  max-width: calc(100% - 44px);
}

.ag-msg__body {
  background: var(--msg-ai-bg);
  border: 1px solid var(--msg-ai-bd);
  border-radius: var(--r-md);
  border-top-left-radius: 4px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* 유저 메시지 */
.ag-msg--user .ag-msg__inner { flex-direction: row-reverse; }
.ag-msg--user .ag-msg__avatar {
  background: var(--violet-grad);
  color: #fff;
  font-size: 13px;
  box-shadow: 0 0 12px rgba(167,139,250,0.30);
}
.ag-msg--user .ag-msg__content {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.ag-msg--user .ag-msg__body {
  background: var(--msg-user-bg);
  border: 1px solid var(--msg-user-bd);
  border-radius: var(--r-md);
  border-top-right-radius: 4px;
  color: var(--text);
}
.ag-msg--user { animation: ag-msg-in-user 280ms var(--ease) both; }

/* AI 메시지 */
.ag-msg--ai .ag-msg__avatar {
  background: transparent;
}
.ag-msg--ai { animation: ag-msg-in-ai 280ms var(--ease) both; }

/* ─── 메시지 본문 내부 마크다운 ─── */
.ag-msg__body p { margin: 0 0 8px; }
.ag-msg__body p:last-child { margin-bottom: 0; }
.ag-msg__body strong { color: var(--violet-light); font-weight: 700; }
.ag-msg__body code {
  background: rgba(167,139,250,0.12);
  color: var(--violet-light);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 12px;
}
.ag-msg__body ul, .ag-msg__body ol {
  margin: 8px 0;
  padding-left: 24px;
}
.ag-msg__body ul li, .ag-msg__body ol li {
  margin: 4px 0;
  color: var(--text-muted);
}
.ag-msg__body table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 12px;
}
.ag-msg__body table th {
  background: var(--violet-soft);
  color: var(--violet);
  padding: 8px 10px;
  text-align: left;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-violet);
}
.ag-msg__body table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border-faint);
  color: var(--text-muted);
}
.ag-msg__body table tr:last-child td { border-bottom: none; }

/* Tag badges (마크다운에서 자동 변환) */
.tag-badge {
  display: inline-block;
  padding: 1px 7px;
  margin: 0 1px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  vertical-align: middle;
}
.tag-badge.ok      { background: var(--emerald-soft); color: var(--emerald); }
.tag-badge.warn    { background: var(--amber-soft); color: var(--amber); }
.tag-badge.danger  { background: var(--rose-soft); color: var(--rose); }
.tag-badge.info    { background: var(--cyan-soft); color: var(--cyan); }
.tag-badge.type    { background: var(--violet-soft); color: var(--violet); }
.tag-badge.vip     { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #321; }
.tag-badge.grade   { background: var(--magenta-soft); color: var(--magenta); }
.tag-badge.temp-rt     { background: var(--amber-soft); color: var(--amber); }
.tag-badge.temp-cold   { background: var(--cyan-soft); color: var(--cyan); }
.tag-badge.temp-frozen { background: rgba(96,165,250,0.12); color: #60a5fa; }

/* Tree branch */
.tree-branch { color: var(--violet); font-family: var(--mono); }
.tree-line   { color: var(--text-faint); font-family: var(--mono); }

/* AI Insight headers (📊 ⚠️ ✅ 💡 등) */
.ai-insight-header {
  margin: 10px 0 6px;
  padding: 8px 12px;
  background: var(--violet-soft);
  border-left: 3px solid var(--violet);
  border-radius: var(--r-sm);
  font-weight: 700;
  font-size: 13px;
  color: var(--violet-light);
}

/* AI progress bars (████░░ → 시각화) */
.ai-progress {
  position: relative;
  height: 18px;
  background: var(--surface-3);
  border-radius: 9px;
  margin: 4px 0;
  overflow: hidden;
}
.ai-progress-bar {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--violet-grad);
  box-shadow: 0 0 8px rgba(167,139,250,0.4);
  transition: width 600ms var(--ease);
}
.ai-progress-label {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  z-index: 2;
}

/* ─── 메시지 후속 (after — 테이블, SQL, 메타) ─── */
.ag-msg__after {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ─── 결과 테이블 ─── */
.ag-result-table {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.ag-result-table .ag-result-table__scroll {
  overflow-x: auto;
  max-height: 360px;
  overflow-y: auto;
}
.ag-result-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.ag-result-table thead th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--violet-light);
  padding: 9px 12px;
  text-align: left;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  z-index: 1;
}
.ag-result-table tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-faint);
  color: var(--text-muted);
}
.ag-result-table tbody tr:hover { background: var(--surface); }
.ag-result-table tbody tr:last-child td { border-bottom: none; }
.ag-result-table__info {
  padding: 8px 12px;
  font-size: 11px;
  color: var(--text-faint);
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.ag-result-table__info i { margin-right: 4px; color: var(--violet); }

/* ─── SQL 토글 + 블록 ─── */
.ag-sql-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 12px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--t-fast);
  width: fit-content;
}
.ag-sql-toggle:hover {
  background: var(--violet-soft);
  border-color: var(--border-violet);
  color: var(--violet);
}
.ag-sql-toggle i:first-child { transition: transform 180ms var(--ease); font-size: 9px; }
.ag-sql-toggle.is-open i:first-child { transform: rotate(90deg); }
.ag-sql-toggle i.fa-database { color: var(--violet); font-size: 10px; }

.ag-sql-block {
  display: none;
  background: var(--bg-deeper);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.ag-sql-block.is-open { display: block; animation: ag-fade-up 220ms var(--ease) both; }
.ag-sql-code {
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
  position: relative;
}
/* SQL syntax highlight */
.sql-keyword { color: var(--violet-light); font-weight: 700; }
.sql-string  { color: var(--magenta); }
.sql-number  { color: var(--cyan); }
.sql-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 9px;
  background: var(--violet-soft);
  border: 1px solid var(--border-violet);
  border-radius: 4px;
  color: var(--violet);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--en);
  transition: all var(--t-fast);
}
.sql-copy-btn:hover { background: var(--violet); color: #fff; }

/* ─── 메시지 메타 ─── */
.ag-msg__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 10px;
  color: var(--text-faint);
  font-family: var(--mono);
  letter-spacing: 0.04em;
}
.ag-msg__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.ag-msg__meta-item i { color: var(--violet); font-size: 9px; }

/* ─── 타이핑 인디케이터 ─── */
.ag-msg-typing {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 0;
}
.ag-msg-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 6px var(--violet);
  animation: ag-typing 1.4s ease-in-out infinite;
}
.ag-msg-typing span:nth-child(2) { animation-delay: 0.18s; }
.ag-msg-typing span:nth-child(3) { animation-delay: 0.36s; }

/* ─── 에러 ─── */
.ag-msg__error {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  background: var(--rose-soft);
  border: 1px solid rgba(251,113,133,0.30);
  border-radius: var(--r);
  color: var(--rose);
  font-size: 13px;
  font-weight: 500;
}
.ag-msg__error i { font-size: 14px; flex-shrink: 0; margin-top: 1px; }

/* ─── 입력 바 ─── */
.ag-input-bar {
  flex-shrink: 0;
  padding: 16px 24px 20px;
  background: linear-gradient(to top, var(--bg) 70%, transparent);
  position: relative;
  z-index: 5;
}
.ag-input-bar__inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 10px;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.ag-input-bar__inner:focus-within {
  border-color: var(--violet);
  box-shadow: var(--ring-violet), var(--shadow-violet);
}

.ag-input-bar__toggle {
  width: 38px; height: 38px;
  border-radius: var(--r);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--t-fast);
}
.ag-input-bar__toggle:hover { background: var(--violet-soft); border-color: var(--border-violet); color: var(--violet); }
.ag-input-bar__toggle.is-active { background: var(--violet-soft); border-color: var(--violet); color: var(--violet); }

.ag-input-bar__field {
  flex: 1;
  display: flex;
  align-items: center;
  min-height: 38px;
}
.ag-input-bar__field textarea {
  flex: 1;
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  padding: 8px 6px;
  min-height: 38px;
  max-height: 120px;
}
.ag-input-bar__field textarea::placeholder { color: var(--text-faint); }

.ag-input-bar__send {
  width: 38px;
  height: 38px;
  border: none;
  border-radius: var(--r);
  background: var(--violet-grad);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--violet-glow);
  transition: all var(--t-fast) var(--ease);
}
.ag-input-bar__send:hover { filter: brightness(1.10); transform: translateY(-1px); }
.ag-input-bar__send:active { transform: translateY(0); }
.ag-input-bar__send:disabled,
.ag-input-bar__send.is-loading { opacity: 0.5; cursor: not-allowed; transform: none; }
.ag-input-bar__send.is-loading i { animation: ag-spin 0.8s linear infinite; }

.ag-input-bar__hint {
  max-width: 920px;
  margin: 8px auto 0;
  text-align: center;
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}
.ag-input-bar__hint kbd {
  display: inline-block;
  padding: 1px 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  margin: 0 2px;
}

/* ─── Suggest backdrop (모바일) ─── */
.ag-suggest__backdrop {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(10, 6, 18, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 19;
  animation: ag-fade-up 220ms var(--ease) both;
}
.ag-suggest__backdrop.is-open { display: block; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .ag-suggest { width: 240px; }
}

@media (max-width: 768px) {
  .ag-chat-burger { top: 10px; left: 10px; width: 34px; height: 34px; }
  .ag-chat-burger__bar { width: 15px; }
  .ag-chat-burger.is-active .ag-chat-burger__bar:nth-child(1) { transform: translateY(5px) rotate(45deg); }
  .ag-chat-burger.is-active .ag-chat-burger__bar:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

  .ag-suggest__body { padding: 56px 12px 12px; }

  .ag-suggest {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    z-index: 20;
    width: min(86%, 320px);
    transform: translateX(-100%);
    transition: transform var(--t-base) var(--ease);
    box-shadow: var(--shadow-lg);
  }
  /* 모바일에선 transform만으로 숨김 — 데스크톱용 width:0 / padding 잔재 차단 */
  .ag-suggest.is-collapsed {
    width: min(86%, 320px);
    border-right: none;
    margin-left: 0;
  }
  .ag-suggest:not(.is-collapsed) { transform: translateX(0); }
  .ag-suggest__head { padding: 14px 16px; }
  .ag-suggest__body { padding: 12px; }
  .ag-suggest__btn { font-size: 12.5px; padding: 11px 12px; }

  .ag-msg {
    padding: 0 14px;
    margin-bottom: 12px;
    gap: 10px;
  }
  .ag-msg__avatar { width: 28px; height: 28px; font-size: 12px; }
  .ag-msg__content { max-width: calc(100% - 38px); }
  .ag-msg__body {
    font-size: 13.5px;
    line-height: 1.6;
    padding: 10px 13px;
  }
  .ag-msg__body table { font-size: 11px; }
  .ag-msg__body table th { padding: 6px 8px; font-size: 10px; }
  .ag-msg__body table td { padding: 6px 8px; }

  .ag-result-table .ag-result-table__scroll { max-height: 280px; }
  .ag-result-table table { font-size: 11.5px; }
  .ag-result-table thead th { padding: 7px 9px; font-size: 9.5px; }
  .ag-result-table tbody td { padding: 7px 9px; }

  .ag-welcome {
    margin-top: 8px;
    padding: 0 18px 32px;
  }
  .ag-welcome__orb-wrap { margin-bottom: 18px; }
  .ag-welcome h2 { font-size: 22px; margin-bottom: 8px; }
  .ag-welcome p { font-size: 13px; margin-bottom: 20px; }
  .ag-welcome__chips { gap: 6px; }
  .ag-welcome__chips .ag-chip {
    font-size: 11.5px;
    padding: 7px 11px;
  }

  .ag-input-bar {
    padding: 10px 12px max(12px, env(safe-area-inset-bottom));
  }
  .ag-input-bar__inner {
    padding: 8px;
    gap: 8px;
    border-radius: var(--r-md);
  }
  .ag-input-bar__toggle,
  .ag-input-bar__send {
    width: 36px;
    height: 36px;
  }
  .ag-input-bar__field textarea {
    font-size: 14px;
    min-height: 36px;
  }
  .ag-input-bar__hint { display: none; }
}

@media (max-width: 480px) {
  .ag-welcome h2 { font-size: 20px; }
  .ag-welcome p { font-size: 12.5px; }
  .ag-welcome__chips .ag-chip {
    font-size: 11px;
    padding: 6px 10px;
  }
  .ag-suggest__btn i { font-size: 10px; }
}