/**
 * 共同日记 · 册子版（2026-09-12 叶谭拍板：_wg_diary_v3.html 定稿落地）
 *
 * 语言：黑白纸感册子 —— 封面 → 目录 → 纸页正文；衬线正文；点线引导；页码
 * 作用域：#diaryApp（主 App 日记；角色手机的 pc-diary-* 是另一套，互不干扰）
 * 加载顺序：在 diary.css 之后 → 同优先级下覆盖旧样式
 * 颜色全走 --d-* 变量：以后换水色只改这一段（含 dark-mode 段）
 */

#diaryApp {
  --d-bg:     #EDEDEF;
  --d-paper:  #FDFDFC;
  --d-ink:    #1B1B1D;
  --d-ink2:   #6E6E76;
  --d-ink3:   #A6A6AE;
  --d-line:   rgba(0,0,0,.08);
  --d-soft:   rgba(0,0,0,.05);
  --d-accent: #1A1A1A;
  --d-accent-ink: #FFFFFF;
  --d-dot:    #17171A;
  --d-serif: 'Songti SC','STSong','Noto Serif SC','Source Han Serif SC',Georgia,serif;
  --d-latin: 'Didot','Bodoni MT','Times New Roman',Georgia,serif;
  --d-sans: system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  background: var(--d-bg);
}

html.dark-mode #diaryApp {
  --d-bg:     #1A1A1C;
  --d-paper:  #242427;
  --d-ink:    #F0F0F2;
  --d-ink2:   #9A9AA2;
  --d-ink3:   #6A6A72;
  --d-line:   rgba(255,255,255,.10);
  --d-soft:   rgba(255,255,255,.08);
  --d-accent: #F0F0F2;
  --d-accent-ink: #17171A;
  --d-dot:    #F0F0F2;
}

#diaryApp .db-root {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

/* 旧 diary.css 给 #diaryList 设过 color: var(--ink)，这里收回来 */
#diaryApp #diaryList { color: var(--d-ink); }

/* ═══════════════ ① 封面（合着的册子） ═══════════════ */

#diaryApp .db-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  background: var(--d-bg);
}

#diaryApp .db-book { position: relative; width: 258px; height: 372px; }
#diaryApp .db-book::after {
  content: ''; position: absolute; left: 10px; right: 10px; bottom: -16px; height: 28px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.30), rgba(0,0,0,0) 70%);
  filter: blur(5px);
}
html.dark-mode #diaryApp .db-book::after {
  background: radial-gradient(ellipse at center, rgba(0,0,0,.55), rgba(0,0,0,0) 70%);
}

/* 扉页（翻开后露出） */
#diaryApp .db-under {
  position: absolute; inset: 0; border-radius: 3px 10px 10px 3px; overflow: hidden;
  background: var(--d-paper);
  box-shadow: inset 18px 0 26px -18px rgba(0,0,0,.22), 0 8px 30px rgba(0,0,0,.16);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  transition: filter .5s ease;
  cursor: pointer;
}
html.dark-mode #diaryApp .db-under {
  box-shadow: inset 18px 0 26px -18px rgba(0,0,0,.6), 0 8px 30px rgba(0,0,0,.5);
}
#diaryApp .db-under.is-dim { filter: brightness(.55); }
html.dark-mode #diaryApp .db-under.is-dim { filter: brightness(.42); }
#diaryApp .db-u-year { font-family: var(--d-latin); font-size: 10px; letter-spacing: .5em; text-indent: .5em; color: var(--d-ink3); }
#diaryApp .db-u-title { font-family: var(--d-serif); font-size: 30px; letter-spacing: .3em; text-indent: .3em; color: var(--d-ink); }
#diaryApp .db-u-line { width: 40px; height: 1px; background: var(--d-ink3); opacity: .5; }
#diaryApp .db-u-sub { font-family: var(--d-serif); font-size: 12.5px; letter-spacing: .12em; color: var(--d-ink2); }

/* 墨色布面封面 */
#diaryApp .db-cover {
  position: absolute; inset: 0; border-radius: 3px 10px 10px 3px; overflow: hidden; cursor: pointer;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 2px, rgba(0,0,0,0) 2px 4px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,.05) 0 1px, rgba(0,0,0,0) 1px 3px),
    linear-gradient(135deg, #26262A, #151517 62%, #1D1D20);
  transform-origin: left center;
  transition: transform .95s cubic-bezier(.32,.08,.22,1), opacity .5s ease .42s;
  box-shadow: 0 12px 34px rgba(0,0,0,.35);
}
html.dark-mode #diaryApp .db-cover {
  box-shadow: 0 0 0 1px rgba(255,255,255,.10), 0 12px 34px rgba(0,0,0,.6);
}
#diaryApp .db-cover.is-flipped { transform: perspective(1300px) rotateY(-158deg); opacity: 0; pointer-events: none; }
#diaryApp .db-spine {
  position: absolute; left: 0; top: 0; bottom: 0; width: 17px;
  background: linear-gradient(90deg, rgba(0,0,0,.55), rgba(255,255,255,.07) 62%, rgba(0,0,0,.16));
  box-shadow: inset -1px 0 0 rgba(255,255,255,.10);
}
#diaryApp .db-frame {
  position: absolute; inset: 15px 15px 15px 34px;
  border: 1px solid rgba(255,255,255,.15); border-radius: 2px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
#diaryApp .db-c-year { font-family: var(--d-latin); font-size: 10.5px; letter-spacing: .52em; text-indent: .52em; color: rgba(255,255,255,.5); }
#diaryApp .db-c-title { font-family: var(--d-serif); font-size: 35px; letter-spacing: .3em; text-indent: .3em; color: #F3F3F1; margin-top: 24px; }
#diaryApp .db-c-rule { width: 44px; height: 1px; background: rgba(255,255,255,.34); margin-top: 20px; }
#diaryApp .db-c-latin { font-family: var(--d-latin); font-size: 8.5px; letter-spacing: .58em; text-indent: .58em; color: rgba(255,255,255,.42); margin-top: 15px; }
#diaryApp .db-c-foot {
  position: absolute; bottom: 20px; left: 20px; right: 0; text-align: center;
  font-family: var(--d-serif); font-size: 10.5px; letter-spacing: .22em; color: rgba(255,255,255,.4);
}
#diaryApp .db-ribbon {
  position: absolute; top: 0; right: 44px; width: 9px; height: 66px;
  background: linear-gradient(#DDDDE1, #C9C9CF);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
}
#diaryApp .db-hint { font-size: 11.5px; letter-spacing: .14em; color: var(--d-ink2); }

/* ═══════════════ 通用顶栏 ═══════════════ */

#diaryApp .db-topbar {
  flex-shrink: 0; display: flex; align-items: center; gap: 4px;
  padding: calc(6px + var(--sat, 0px)) 12px 8px;
}
#diaryApp .db-topbtn {
  width: 32px; height: 32px; border-radius: 50%; border: 0; background: transparent;
  color: var(--d-ink2); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; padding: 0; cursor: pointer;
}
#diaryApp .db-topbtn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
#diaryApp .db-topbtn:active { transform: scale(.92); }
#diaryApp .db-toptitle {
  flex: 1; min-width: 0; text-align: center;
  font-family: var(--d-latin); font-size: 11px; letter-spacing: .18em; color: var(--d-ink3);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#diaryApp .db-toptitle em { font-family: var(--d-serif); font-style: normal; letter-spacing: .1em; color: var(--d-ink2); }
#diaryApp .db-toppill {
  display: flex; align-items: center; gap: 4px; padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--d-line); background: transparent; color: var(--d-ink2);
  font-size: 11.5px; letter-spacing: .02em; flex-shrink: 0; font-family: var(--d-sans); cursor: pointer;
}
#diaryApp .db-toppill:active { transform: scale(.96); }
#diaryApp .db-topspacer { width: 32px; flex-shrink: 0; }

/* ═══════════════ 纸页（目录 / 正文 / 写 / 评语 共用） ═══════════════ */

#diaryApp .db-paper {
  flex: 1; overflow-y: auto; min-height: 0; position: relative;
  background: var(--d-paper);
  box-shadow: inset 20px 0 30px -22px rgba(0,0,0,.16);
  padding: 22px 28px 0;
  -webkit-overflow-scrolling: touch;
}
#diaryApp .db-paper::-webkit-scrollbar { display: none; }
html.dark-mode #diaryApp .db-paper {
  box-shadow: inset 20px 0 30px -22px rgba(0,0,0,.7);
}
#diaryApp .db-paper-ribbon {
  position: absolute; top: 0; right: 24px; width: 9px; height: 46px;
  background: linear-gradient(#E4E4E8, #CFCFD5);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 100%);
}
html.dark-mode #diaryApp .db-paper-ribbon { background: linear-gradient(#3A3A3E, #2E2E32); }

#diaryApp .db-date { font-family: var(--d-latin); font-size: 10.5px; letter-spacing: .26em; color: var(--d-ink3); }
#diaryApp .db-date em { font-family: var(--d-serif); font-style: normal; font-size: 11.5px; letter-spacing: .2em; color: var(--d-ink2); margin-left: 8px; }
#diaryApp .db-body {
  font-family: var(--d-serif);
  font-size: calc(15px * var(--ui-font-scale, 1));
  line-height: 2.15; letter-spacing: .02em; color: var(--d-ink);
  white-space: pre-wrap; word-break: break-word;
}
#diaryApp .db-rule { display: flex; align-items: center; gap: 10px; margin: 22px 0 16px; }
#diaryApp .db-rule::before, #diaryApp .db-rule::after { content: ''; flex: 1; height: 1px; background: var(--d-line); }
#diaryApp .db-rule span { font-family: var(--d-latin); font-size: 10px; letter-spacing: .3em; color: var(--d-ink3); }
#diaryApp .db-num {
  text-align: center; font-family: var(--d-latin); font-size: 10px; letter-spacing: .34em;
  color: var(--d-ink3); padding: 26px 0 20px;
}

/* ═══════════════ 目录 ═══════════════ */

#diaryApp .db-toc-head { padding: 6px 0 4px; }
#diaryApp .db-toc-title { font-family: var(--d-serif); font-size: 30px; letter-spacing: .22em; text-indent: .1em; color: var(--d-ink); }
#diaryApp .db-toc-sub { margin-top: 10px; font-size: 11.5px; letter-spacing: .08em; color: var(--d-ink3); }
#diaryApp .db-toc-rule { height: 1px; background: var(--d-line); margin: 20px 0 4px; position: relative; }
#diaryApp .db-toc-rule::after { content: ''; position: absolute; left: 0; top: 3px; width: 100%; height: 1px; background: var(--d-soft); }

#diaryApp .db-toc-row {
  display: flex; align-items: baseline; gap: 10px;
  padding: 15px 0 13px; border-bottom: 1px solid var(--d-line);
  cursor: pointer;
}
#diaryApp .db-toc-row:last-of-type { border-bottom: none; }
#diaryApp .db-toc-row:active { opacity: .6; }
#diaryApp .db-toc-name { font-family: var(--d-serif); font-size: calc(15.5px * var(--ui-font-scale, 1)); letter-spacing: .06em; color: var(--d-ink); }
#diaryApp .db-toc-dots { flex: 1; border-bottom: 1px dotted var(--d-ink3); transform: translateY(-4px); opacity: .55; }
#diaryApp .db-toc-meta { font-family: var(--d-latin); font-size: 11px; letter-spacing: .14em; color: var(--d-ink2); }
#diaryApp .db-toc-state { display: flex; align-items: center; gap: 5px; font-size: 10px; color: var(--d-ink3); white-space: nowrap; }
#diaryApp .db-toc-state i { width: 6px; height: 6px; border-radius: 50%; box-sizing: border-box; border: 1.3px solid var(--d-ink3); }
#diaryApp .db-toc-state.is-done i { background: var(--d-dot); border-color: var(--d-dot); }
#diaryApp .db-toc-mine { padding: 15px 0 13px; border-bottom: 1px solid var(--d-line); cursor: pointer; }
#diaryApp .db-toc-mine:active { opacity: .6; }
#diaryApp .db-toc-mine .db-toc-name { font-size: calc(16.5px * var(--ui-font-scale, 1)); }
#diaryApp .db-toc-mine-sub { margin-top: 5px; font-size: 10.5px; color: var(--d-ink3); letter-spacing: .04em; }

/* 条目列表（角色日记 / 你的日记列表） */
#diaryApp .db-entry-row { padding: 15px 0 13px; border-bottom: 1px solid var(--d-line); cursor: pointer; }
#diaryApp .db-entry-row:last-of-type { border-bottom: none; }
#diaryApp .db-entry-row:active { opacity: .6; }
#diaryApp .db-entry-date { font-family: var(--d-serif); font-size: calc(15px * var(--ui-font-scale, 1)); font-weight: 600; letter-spacing: .08em; color: var(--d-ink); }
#diaryApp .db-entry-date small { font-family: var(--d-sans); font-size: 10.5px; font-weight: 400; color: var(--d-ink3); margin-left: 7px; letter-spacing: 0; }
#diaryApp .db-entry-preview {
  margin-top: 6px; font-family: var(--d-serif); font-size: 12.5px; line-height: 1.8; color: var(--d-ink2);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
#diaryApp .db-entry-meta { margin-top: 7px; font-size: 10.5px; letter-spacing: .06em; color: var(--d-ink3); }

/* ═══════════════ 回复 / 评语 ═══════════════ */

#diaryApp .db-cmt-label { font-size: 12px; letter-spacing: .1em; color: var(--d-ink2); margin-bottom: 12px; }
#diaryApp .db-cmt { padding: 0 0 14px; }
#diaryApp .db-cmt-line { font-family: var(--d-serif); font-size: calc(13.5px * var(--ui-font-scale, 1)); line-height: 1.95; color: var(--d-ink); white-space: pre-wrap; word-break: break-word; }
#diaryApp .db-cmt-line b { font-weight: 700; }
#diaryApp .db-cmt-reply {
  margin: 6px 0 0 26px; padding-left: 12px; border-left: 2px solid var(--d-dot);
  font-family: var(--d-serif); font-size: calc(13.5px * var(--ui-font-scale, 1)); line-height: 1.95; color: var(--d-ink);
  white-space: pre-wrap; word-break: break-word;
}
#diaryApp .db-cmt-reply b { font-weight: 700; }
#diaryApp .db-cmt-act { margin: 7px 0 0 26px; }
#diaryApp .db-dbtn3 {
  padding: 4px 12px; border-radius: 999px; border: 1px solid var(--d-line);
  background: transparent; color: var(--d-ink2); font-size: 11px; font-family: var(--d-sans); cursor: pointer;
}
#diaryApp .db-dbtn3:active { transform: scale(.95); }

/* ═══════════════ 底部回复输入 ═══════════════ */

#diaryApp .db-compose {
  flex-shrink: 0; padding: 10px 20px calc(12px + var(--sab, 0px));
  background: var(--d-bg);
}
#diaryApp .db-compose-box {
  display: flex; align-items: center; gap: 4px; padding: 4px 4px 4px 15px;
  border-radius: 22px; background: var(--d-paper);
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
html.dark-mode #diaryApp .db-compose-box { box-shadow: 0 1px 3px rgba(0,0,0,.4); }
#diaryApp .db-compose-box input {
  flex: 1; min-width: 0; padding: 6px 0; border: 0; outline: none;
  background: transparent; font-family: var(--d-serif);
  font-size: calc(13px * var(--ui-font-scale, 1)); color: var(--d-ink);
}
#diaryApp .db-compose-send {
  min-height: 32px; padding: 5px 15px; border-radius: 17px; border: 0; cursor: pointer;
  background: var(--d-accent); color: var(--d-accent-ink);
  font-size: 13px; font-family: var(--d-sans); white-space: nowrap;
}
#diaryApp .db-compose-send:active { transform: scale(.96); }
#diaryApp .db-compose-send[disabled] { opacity: .5; }

/* ═══════════════ 写日记（纸面直接写） ═══════════════ */

#diaryApp .db-write-paper {
  /* 旧 diary.css 用 #diaryWriteInput 给过 padding/圆角/边框 —— 这里全部收回 */
  display: block; width: 100%; min-height: 210px;
  padding: 0; margin-left: 0; margin-right: 0;
  border: 0; border-radius: 0; outline: none; resize: none;
  box-shadow: none;
  background: transparent; color: var(--d-ink);
  font-family: var(--d-serif); font-size: calc(15px * var(--ui-font-scale, 1));
  line-height: 2.15; letter-spacing: .02em;
  margin-top: 14px;
}
#diaryApp .db-write-paper::placeholder { color: var(--d-ink3); }
#diaryApp .db-write-paper:focus { border: 0; box-shadow: none; }
#diaryApp .db-write-meta {
  display: flex; justify-content: space-between; margin-top: 6px;
  font-family: var(--d-latin); font-size: 10px; letter-spacing: .16em; color: var(--d-ink3);
}
#diaryApp .db-chips { display: flex; flex-wrap: wrap; gap: 8px; }
#diaryApp .db-chip {
  padding: 7px 15px; border-radius: 999px; border: 1px solid var(--d-line);
  font-size: calc(12.5px * var(--ui-font-scale, 1)); letter-spacing: .04em;
  color: var(--d-ink2); background: transparent; font-family: var(--d-sans); cursor: pointer;
}
#diaryApp .db-chip.is-on { background: var(--d-accent); border-color: var(--d-accent); color: var(--d-accent-ink); }
#diaryApp .db-chip:active { transform: scale(.97); }
#diaryApp .db-save {
  display: block; width: calc(100% - 40px); margin: 16px 20px calc(20px + var(--sab, 0px));
  min-height: 46px; border: 0; border-radius: 23px; cursor: pointer;
  background: var(--d-accent); color: var(--d-accent-ink);
  font-size: 14.5px; letter-spacing: .08em; font-family: var(--d-sans);
}
#diaryApp .db-save:active { transform: scale(.98); }

/* ═══════════════ 空状态 ═══════════════ */

#diaryApp .db-empty {
  padding: 46px 18px; text-align: center;
  font-family: var(--d-serif); font-size: calc(12.5px * var(--ui-font-scale, 1));
  line-height: 2; color: var(--d-ink3);
}
#diaryApp .db-empty--compact { padding: 18px 10px; }

.db-memory-choices { max-height: min(46vh, 360px); overflow-y: auto; margin-top: 12px; border: 1px solid var(--border); border-radius: 12px; }
.db-memory-choice { display: flex; align-items: flex-start; gap: 10px; padding: 11px 12px; border-bottom: 1px solid var(--border); color: var(--ink); font-size: 12px; line-height: 1.55; cursor: pointer; }
.db-memory-choice:last-child { border-bottom: 0; }
.db-memory-choice input { flex: none; margin-top: 3px; accent-color: var(--monet-blue); }
.db-memory-choice span { min-width: 0; overflow-wrap: anywhere; }