/* ============================================================
   가치관 톡 · mandalart 공용 레이아웃 (앱 셸)
   ── 데스크톱: 메인 대화 + 우측 기록 패널 (메인:패널 ≈ 3~4 : 1)
   ── 모바일(<=768px): 챗 화면만 (기록 패널 숨김, 현행과 동일)
   로드 순서: variables.css → base.css → layout.css
   ============================================================ */

.app-shell {
  width: 100%; min-height: 100vh;
  margin: 0; background: var(--bg-surface-white);
  border: none; border-radius: 0;
  box-shadow: none;
  display: flex; flex-direction: column;
}

/* ── 헤더 ── */
.app-header {
  position: sticky; top: 0; z-index: 100;
  flex: 0 0 auto; display: flex; align-items: center; gap: 12px;
  padding: 14px 20px; border-bottom: 1px solid var(--border-neutral);
  background: var(--bg-surface-white);
}
.app-avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--brand-tint);
  overflow: hidden; flex: 0 0 auto;
  display: grid; place-items: center; font-size: .85rem; font-weight: 800; color: #fff;
}
.app-avatar img, .msg-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.app-brand { display: flex; flex-direction: column; gap: 2px; }
.app-title { font-size: 1rem; font-weight: 700; letter-spacing: -.01em; }
.app-sub { font-size: .78rem; color: var(--soft); font-weight: 500; }

/* ── 본문: 메인 + 패널 ── */
.app-body { flex: 1 1 auto; display: flex; align-items: flex-start; width: 100%; }
.app-main { flex: 1 1 0; min-width: 0; min-height: calc(100vh - 69px); display: flex; flex-direction: column; background: var(--bg-page); }
.app-record {
  flex: 0 0 var(--panel-w); border-left: 1px solid var(--border-neutral);
  background: var(--bg-surface-white); display: flex; flex-direction: column;
  position: sticky; top: 69px; height: calc(100vh - 69px); height: calc(100dvh - 69px); overflow-y: auto;
}

/* ── 챗 로그 ── */
.chat-log { flex: 1 1 auto; padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.msg { display: flex; gap: 10px; max-width: 82%; }
.msg-ai { align-self: flex-start; }
.msg-user { align-self: flex-end; flex-direction: row-reverse; }
.msg-avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--brand-tint); color: #fff;
  overflow: hidden; display: grid; place-items: center; font-size: .72rem; font-weight: 800; flex: 0 0 auto;
}
.msg-bubble { padding: 11px 15px; border-radius: 16px; font-size: .94rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.msg-ai .msg-bubble {
  background: var(--chat-ai-bg); color: var(--chat-ai-ink);
  border: 1px solid var(--border-neutral); border-bottom-left-radius: 5px; box-shadow: var(--shadow-sm);
}
.msg-user .msg-bubble {
  background: var(--chat-user-bg); color: var(--chat-user-ink); border-bottom-right-radius: 5px;
}

/* ── 입력 바 ── */
.chat-input-bar {
  position: sticky; bottom: 0; z-index: 50;
  flex: 0 0 auto; display: flex; align-items: flex-end; gap: 10px;
  padding: 14px 16px; border-top: 1px solid var(--border-neutral); background: var(--bg-surface-white);
}
.chat-input {
  flex: 1 1 auto; resize: none; max-height: 120px; min-height: 44px;
  border: 1.5px solid var(--border-neutral); border-radius: 22px;
  padding: 11px 16px; font-size: .94rem; line-height: 1.5;
}
.chat-input:focus { outline: none; border-color: var(--brand); }
.chat-send {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; border: none;
  background: var(--brand); color: #fff; font-size: 1.15rem; display: grid; place-items: center;
  transition: background .15s;
}
.chat-send:hover { background: var(--brand-d); }
.chat-send:disabled { opacity: .4; cursor: not-allowed; }

/* ── 기록 패널 ── */
.record-head { flex: 0 0 auto; padding: 16px 18px 10px; border-bottom: 1px solid var(--border-neutral); }
.record-head h3 { font-size: .92rem; }
.record-head p { font-size: .76rem; color: var(--soft); margin-top: 2px; }
.record-list { flex: 1 1 auto; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.record-item { border: 1px solid var(--border-neutral); border-radius: 12px; padding: 12px 13px; background: var(--bg-page); }
.record-q { font-size: .74rem; font-weight: 700; color: var(--brand); margin-bottom: 5px; }
.record-a { font-size: .85rem; color: var(--mute); line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.record-empty { color: var(--soft); font-size: .82rem; text-align: center; padding: 24px 8px; }

/* ── 스크롤바 ── */
.chat-log::-webkit-scrollbar, .record-list::-webkit-scrollbar { width: 8px; }
.chat-log::-webkit-scrollbar-thumb, .record-list::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, .12); border-radius: 8px; }

.step-scroll { width: 100%; max-width: 960px; margin: 0 auto; }

/* ── 모바일: 챗만 ── */
@media (max-width: 768px) {
  .app-record { display: none; }
  .chat-log { padding: 16px; }
  .msg { max-width: 88%; }
}