/* ═══════════════════════════════════════
   styles/chat.css — 채팅 UI (책 왼쪽 페이지용)
   ═══════════════════════════════════════ */

.chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid rgba(44, 36, 22, .08);
  flex-shrink: 0;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--paper-edge)
}

.chat-header-info {
  flex: 1
}

.chat-header-name {
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 600;
  color: var(--ink)
}

.chat-header-sub {
  display: none
}

.progress-dots {
  display: flex;
  gap: 4px;
  align-items: center
}

.prog-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: .6rem;
  font-weight: 700;
  transition: all .3s;
}

.prog-dot.done {
  background: var(--accent-glow);
  color: var(--accent)
}

.prog-dot.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 4px rgba(122, 92, 30, .3)
}

.prog-dot.pending {
  background: rgba(0, 0, 0, .06);
  color: var(--ink-faint)
}

.chat-msgs {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px;
  min-height: 0;
  scrollbar-width: none;
}

.chat-msgs::-webkit-scrollbar {
  display: none
}

.chat-bubble {
  max-width: 88%;
  padding: 9px 13px;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: .78rem;
  line-height: 1.65;
  word-break: keep-all;
  white-space: pre-wrap;
}

.chat-bubble.ai {
  align-self: flex-start;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .05);
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
}

.chat-bubble.user {
  align-self: flex-end;
  background: var(--cover);
  color: var(--paper);
  border-bottom-right-radius: 4px;
}

.chat-bubble.typing {
  align-self: flex-start;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .05);
  border-bottom-left-radius: 4px;
  padding: 10px 16px;
}

.typing-dots span {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--ink-faint);
  border-radius: 50%;
  margin: 0 2px;
  animation: dotB 1.2s infinite;
}

.typing-dots span:nth-child(2) {
  animation-delay: .15s
}

.typing-dots span:nth-child(3) {
  animation-delay: .3s
}

@keyframes dotB {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: .3
  }

  30% {
    transform: translateY(-4px);
    opacity: 1
  }
}

.pending-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 4px auto;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(184, 146, 46, .3);
  border-radius: 20px;
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: .72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}

.pending-btn:hover {
  background: var(--accent);
  color: #fff
}

.chat-input-row {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  flex-shrink: 0;
  border-top: 1px solid rgba(44, 36, 22, .06);
}

.chat-input {
  flex: 1;
  min-width: 0;
  border: 1px solid rgba(0, 0, 0, .1);
  border-radius: 18px;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: .78rem;
  outline: none;
  background: #fff;
}

.chat-input:focus {
  border-color: var(--accent-warm)
}

.chat-input:disabled {
  background: rgba(0, 0, 0, .03);
  color: var(--ink-faint)
}

.chat-send-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: .85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .2s;
  box-shadow: 0 2px 6px rgba(122, 92, 30, .25);
}

.chat-send-btn:hover {
  background: var(--cover)
}

.chat-send-btn:disabled {
  opacity: .3;
  cursor: default
}