/* 木棉书简 · 管家端（配色对齐 Front End / style.css 暖纸木棉） */
.memoir-page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper, #faf5ee);
  font-family: var(--font-sans, "Noto Sans SC", "Microsoft YaHei", sans-serif);
  color: var(--ink, #2b1d18);
  overflow: hidden;
}

.memoir-logout {
  margin-left: auto;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(255, 240, 226, 0.22);
  background: transparent;
  color: var(--side-ink, #f2e5da);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.memoir-logout:hover {
  background: rgba(255, 240, 226, 0.1);
}

.memoir-topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  background: linear-gradient(180deg, #33221c, #2a1a15);
  color: #f2e5da;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 240, 226, 0.1);
}
.memoir-topbar h1 {
  font-family: var(--font-serif, "Noto Serif SC", serif);
  font-size: 1.05rem;
  font-weight: 700;
  flex: 1;
  color: #f2e5da;
}
.memoir-back {
  color: #c6aa9b;
  text-decoration: none;
  font-size: 0.85rem;
}
.memoir-back:hover { color: #f2e5da; }
.memoir-status { font-size: 0.75rem; color: #c6aa9b; }

.memoir-layout {
  flex: 1;
  display: flex;
  min-height: 0;
}

.memoir-tree {
  width: 240px;
  flex-shrink: 0;
  background: #fffaf2;
  border-right: 1px solid var(--line, #e8d9cf);
  overflow-y: auto;
  padding: 0.75rem 0.5rem;
}
.tree-hint {
  font-size: 0.72rem;
  color: var(--ink-3, #82655a);
  padding: 0 0.5rem 0.5rem;
  letter-spacing: 0.06em;
}
.tree-empty {
  font-size: 0.82rem;
  color: var(--ink-3, #82655a);
  padding: 0.5rem;
  line-height: 1.5;
}

.topic-group { margin-bottom: 0.35rem; }
.topic-head {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  border: none;
  background: transparent;
  padding: 0.45rem 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  border-radius: 8px;
  color: var(--ink, #2b1d18);
}
.topic-head:hover { background: rgba(198, 75, 49, 0.08); }
.topic-head .caret {
  font-size: 0.7rem;
  color: var(--ink-3, #82655a);
  transition: transform 0.15s;
}
.topic-head.open .caret { transform: rotate(90deg); }
.topic-children {
  padding-left: 0.65rem;
  display: none;
}
.topic-children.open { display: block; }

.chapter-link {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0.4rem 0.55rem;
  font-size: 0.82rem;
  color: var(--ink, #2b1d18);
  border-radius: 8px;
  cursor: pointer;
  line-height: 1.4;
}
.chapter-link:hover { background: rgba(198, 75, 49, 0.08); }
.chapter-link.active {
  background: rgba(198, 75, 49, 0.14);
  color: var(--kapok-deep, #a6331b);
  font-weight: 600;
}
.chapter-link .badge {
  font-size: 0.68rem;
  color: var(--ink-3, #82655a);
  margin-left: 0.25rem;
}
.chapter-link .badge.confirmed { color: var(--kapok, #c84b31); }

.memoir-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.memoir-reader {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: #fffaf2;
  border-bottom: 1px solid var(--line, #e8d9cf);
}
.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--line, #e8d9cf);
  flex-shrink: 0;
  background: #faf5ee;
}
.reader-toolbar h2 {
  font-family: var(--font-serif, "Noto Serif SC", serif);
  font-size: 0.98rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.reader-actions { display: flex; gap: 0.45rem; flex-shrink: 0; }

.chapter-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem 1.5rem;
  line-height: 1.8;
  font-size: 0.95rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.chapter-placeholder { color: var(--ink-3, #82655a); }

.factual-alert {
  margin: 0 1rem 0.75rem;
  padding: 0.5rem 0.65rem;
  background: #fff8e8;
  border: 1px solid #e8d0a8;
  border-radius: 8px;
  font-size: 0.82rem;
  color: #8f5f1e;
}
.factual-alert.hidden { display: none; }

.memoir-revise {
  height: 38%;
  min-height: 220px;
  max-height: 360px;
  display: flex;
  flex-direction: column;
  background: #f4ebdf;
  border-top: 1px solid var(--line, #e8d9cf);
}
.revise-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.55rem 1rem 0.35rem;
  flex-shrink: 0;
}
.revise-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--kapok-deep, #a6331b);
}
.revise-hint { font-size: 0.75rem; color: var(--ink-3, #82655a); }

.revise-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.35rem 1rem;
  font-size: 0.88rem;
}
.revise-welcome { color: var(--ink-3, #82655a); margin: 0.35rem 0; }
.revise-msg { margin: 0.45rem 0; line-height: 1.5; }
.revise-msg.user { color: var(--ink, #2b1d18); }
.revise-msg.bot { color: var(--ink-2, #58413c); }

.revise-composer {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.55rem 1rem 0.75rem;
  flex-shrink: 0;
}
.revise-composer textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--line, #e8d9cf);
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
  background: #fffaf2;
  font: inherit;
  min-height: 44px;
}
.revise-composer .mic,
.revise-composer .send {
  flex-shrink: 0;
}
.memoir-page .reader-actions .tool {
  border: 1px solid var(--line, #e8d9cf);
  background: #fffaf2;
  color: var(--ink-2, #58413c);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
}
.memoir-page .reader-actions .tool:hover:not(:disabled) {
  border-color: var(--kapok, #c84b31);
  color: var(--kapok-deep, #a6331b);
}
.memoir-page .reader-actions .tool:disabled { opacity: 0.45; cursor: not-allowed; }
.memoir-page .revise-composer .mic {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: #f4ebdf; border: 1px solid var(--line, #e8d9cf); color: var(--ink-2, #58413c);
}
.memoir-page .revise-composer .mic.recording {
  background: var(--kapok, #c84b31); color: #fff; border-color: var(--kapok, #c84b31);
}
.memoir-page .revise-composer .send {
  width: auto; min-width: 72px; height: 42px; border-radius: 999px;
  padding: 0 1rem; background: var(--kapok, #c84b31); color: #fff;
  font-size: 0.88rem; font-weight: 600;
  box-shadow: 0 6px 14px rgba(166, 51, 27, 0.28);
}
.memoir-page .revise-composer .send:disabled { opacity: 0.42; box-shadow: none; }
.revise-busy {
  padding: 0 1rem 0.55rem;
  font-size: 0.8rem;
  color: var(--kapok, #c84b31);
}
.revise-busy.hidden { display: none; }

@media (max-width: 768px) {
  .memoir-layout { flex-direction: column; }
  .memoir-tree {
    width: 100%;
    max-height: 160px;
    border-right: none;
    border-bottom: 1px solid var(--line, #e8d9cf);
  }
}