/* ==========================================================================
   六级单词速记 · 样式表
   设计参考 Lenval Properties（lenvalproperties.com，见 F:\TEST\前端网页复制学习test
   的离线克隆）：暖米白底 + 深棕黑、衬线 display 大字、小号大写 label、极简直角细线。
   🔴 配色数值逐项取自参考站 :root 的 --_global-colors---*，别凭感觉改。
   默认浅色主题，支持 html.dark 暗色
   ========================================================================== */

:root {
  --bg: #f9f4ee;               /* 参考站 base-0（米白） */
  --bg-soft: #f3ece2;
  --card: #fffdf9;
  --card-2: #f6f0e7;
  --line: rgba(33, 26, 25, 0.14);
  --line-soft: rgba(33, 26, 25, 0.07);
  --text: #211a19;             /* 参考站 base-1000 */
  --text-2: #6d645e;
  --text-3: #a9a099;           /* 参考站 base-500（暖灰） */
  --accent: #26100d;           /* 参考站 brand-500（深棕黑） */
  --accent-2: rgba(38, 16, 13, 0.08);
  --accent-soft: rgba(38, 16, 13, 0.1);
  --on-accent: #f9f4ee;        /* 深色块上的文字（暗色主题下主按钮反过来） */
  --accent-hover: #3c211c;     /* 主按钮 hover（深色底要变浅才看得见） */
  --ok: #1ba64b;               /* 参考站 additional--success */
  --ok-soft: rgba(27, 166, 75, 0.12);
  --warn: #b9791f;             /* 参考站 additional--alert 加深（浅底上要可读） */
  --warn-soft: rgba(185, 121, 31, 0.14);
  --err: #e23d3d;              /* 参考站 additional--error */
  --err-soft: rgba(226, 61, 61, 0.1);
  --fav: #c2607e;
  --shadow: 0 1px 2px rgba(33, 26, 25, 0.05);
  --shadow-sm: 0 1px 2px rgba(33, 26, 25, 0.04);
  --radius: 4px;               /* 参考站近乎直角 */
  --radius-sm: 3px;
  --sidebar-w: 13rem;
  --font: "Helvetica Now Display", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --font-display: "Financier Display", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Menlo,
    Consolas, monospace;
  --anim: 0.55s cubic-bezier(0.19, 1, 0.22, 1);   /* easeOutExpo，GSAP 站常用的那类收尾 */
}

html.dark {
  --bg: #211a19;               /* 参考站 base-1000 当底色 */
  --bg-soft: #2a221f;
  --card: #271f1d;
  --card-2: #2e2623;
  --line: rgba(249, 244, 238, 0.14);
  --line-soft: rgba(249, 244, 238, 0.07);
  --text: #f9f4ee;
  --text-2: #b9b5af;           /* 参考站 base-500 */
  --text-3: #7d746e;
  --accent: #f9f4ee;
  --accent-2: rgba(249, 244, 238, 0.1);
  --accent-soft: rgba(249, 244, 238, 0.12);
  --on-accent: #211a19;
  --accent-hover: #ffffff;
  --ok: #4ade80;
  --ok-soft: rgba(74, 222, 128, 0.14);
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.14);
  --err: #f87171;
  --err-soft: rgba(248, 113, 113, 0.14);
  --fav: #f472b6;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.82; }

button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ------------------------------ 布局 ------------------------------ */
#app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.1rem 0.75rem;
  gap: 0.3rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.55rem 1rem;
  user-select: none;
}
.brand-logo {
  width: 34px; height: 34px;
  flex: 0 0 34px;
  border-radius: 3px;
  background: var(--accent);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 19px;
  font-family: var(--font-display);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; white-space: nowrap; }
.brand-sub { font-size: 11px; color: var(--text-3); white-space: nowrap; }

.nav { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; flex: 1; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 14px;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: background var(--anim), color var(--anim);
  position: relative;
}
.nav-item:hover { background: var(--bg-soft); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-item .nav-ico { width: 18px; height: 18px; flex: 0 0 18px; display: grid; place-items: center; }
.nav-item .nav-ico svg { width: 17px; height: 17px; }
.nav-badge {
  margin-left: auto;
  font-size: 11px;
  background: var(--bg-soft);
  color: var(--text-3);
  border-radius: 20px;
  padding: 0 7px;
  min-width: 20px;
  text-align: center;
}
.nav-item.active .nav-badge { background: var(--accent); color: var(--on-accent); }

.sidebar-foot {
  padding-top: 0.6rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.icon-btn {
  width: 34px; height: 34px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text-2);
  display: grid;
  place-items: center;
  transition: all var(--anim);
}
.icon-btn:hover { background: var(--bg-soft); color: var(--text); }
.icon-btn svg { width: 17px; height: 17px; }

.main { flex: 1; min-width: 0; padding: 1.6rem 2rem 4rem; }
.wrap { max-width: 1100px; margin: 0 auto; }
.wrap-narrow { max-width: 780px; margin: 0 auto; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.page-title {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.page-desc { color: var(--text-3); font-size: 13px; margin-top: 0.15rem; }

/* ------------------------------ 通用组件 ------------------------------ */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: 1.1rem 1.2rem; }
.card-title { font-size: 14px; font-weight: 600; color: var(--text); margin: 0 0 0.1rem; }
.muted { color: var(--text-3); }
.small { font-size: 12.5px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.48rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  transition: all var(--anim);
  white-space: nowrap;
}
.btn:hover { background: var(--bg-soft); border-color: var(--text-3); }
.btn svg { width: 16px; height: 16px; }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}
/* 深棕黑按钮在浅底上要"变浅一点"才看得见 hover；暗色主题反过来变纯白 */
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn.danger { color: var(--err); border-color: var(--line); }
.btn.danger:hover { background: var(--err-soft); border-color: var(--err); }
.btn.sm { padding: 0.3rem 0.6rem; font-size: 12.5px; border-radius: 8px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
/* 按钮里的快捷键提示：primary 深色底上要跟着变浅，不能沿用 kbd 的灰底灰字 */
.btn.primary kbd {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.42);
  color: #fff;
}
.btn:not(.primary) kbd { color: var(--text-3); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 11.5px;
  padding: 0.1rem 0.5rem;
  border-radius: 20px;
  background: var(--bg-soft);
  color: var(--text-2);
  border: 1px solid var(--line);
}
.tag.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.tag.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.tag.err { background: var(--err-soft); color: var(--err); border-color: transparent; }
.tag.accent { background: var(--accent-2); color: var(--accent); border-color: transparent; }

.field {
  padding: 0.42rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  outline: none;
  transition: border var(--anim), box-shadow var(--anim);
  min-width: 0;
}
.field:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field::placeholder { color: var(--text-3); }
select.field { cursor: pointer; }

.seg {
  display: inline-flex;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}
.seg button {
  border: none;
  background: transparent;
  color: var(--text-2);
  padding: 0.32rem 0.7rem;
  border-radius: 7px;
  font-size: 13px;
  transition: all var(--anim);
}
.seg button.active { background: var(--card); color: var(--accent); font-weight: 600; box-shadow: var(--shadow-sm); }

.empty { text-align: center; padding: 3rem 1rem; color: var(--text-3); }
.empty .em-ico { font-size: 2.4rem; margin-bottom: 0.5rem; opacity: 0.7; }

.grid { display: grid; gap: 1rem; }
.grid.books { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid.stats { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }

/* ------------------------------ 首页 ------------------------------ */
.hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem 2rem 2rem;
  margin-bottom: 1.2rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "Aa";
  position: absolute;
  right: -0.4rem;
  bottom: -3.4rem;
  font-family: var(--font-display);
  font-size: 11rem;
  font-weight: 400;
  color: var(--accent);
  opacity: 0.05;
  line-height: 1;
  pointer-events: none;
}
/* 大标题用衬线 display 字体（参考站 Financier Display 的位置）；中文回落到宋体系，
   和英文单词的衬线大字是同一套气质 */
.hero h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 2.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.hero p { margin: 0 0 1.3rem; color: var(--text-2); font-size: 14px; max-width: 46ch; }

.stat-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.95rem 1.05rem; }
/* 统计卡可点击（sunfleeting：点数字要看得到明细）：hover 边框着色 + 轻微上浮 */
.stat-card.stat-link { transition: transform .15s ease, border-color .15s ease; }
.stat-card.stat-link:hover { border-color: var(--accent); transform: translateY(-2px); }
.stat-card.stat-link:active { transform: translateY(0); }
.stat-num { font-size: 2rem; font-weight: 500; font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.05; }
.stat-label { font-size: 12.5px; color: var(--text-3); margin-top: 0.15rem; }
.stat-num.accent { color: var(--accent); }
.stat-num.ok { color: var(--ok); }
.stat-num.err { color: var(--err); }
.stat-num.fav { color: var(--fav); }

.progress-line { height: 3px; background: var(--line-soft); border-radius: 2px; overflow: hidden; }
.progress-line > i { display: block; height: 100%; background: var(--accent); border-radius: 2px; transition: width 0.7s cubic-bezier(0.19, 1, 0.22, 1); }
.progress-line.ok > i { background: var(--ok); }

.book-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  cursor: pointer;
  transition: all var(--anim);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  position: relative;
  overflow: hidden;
}
.book-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.book-card .bk-name { font-weight: 700; font-size: 15.5px; font-family: var(--font-display); letter-spacing: -0.2px; }
.book-card .bk-desc { font-size: 12px; color: var(--text-3); }
.book-card .bk-bar { margin-top: auto; }
.book-card .bk-meta { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--text-3); margin-bottom: 0.3rem; }
.bk-chip {
  position: absolute; top: 0.7rem; right: 0.7rem;
  font-size: 10.5px; padding: 0.05rem 0.45rem; border-radius: 6px;
  background: var(--accent-2); color: var(--accent); font-family: var(--mono);
}

/* ------------------------------ 练习页 ------------------------------ */
.practice-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.8rem; margin-bottom: 1.4rem; flex-wrap: wrap;
}
.practice-progress { flex: 1; min-width: 140px; }
.practice-progress .pp-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-3); margin-bottom: 0.3rem; }

.stage {
  min-height: 26rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  padding: 1.5rem 1rem;
}
.word-phonetic { font-family: var(--mono); color: var(--text-3); font-size: 15px; letter-spacing: 0.3px; }
.word-display {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1.15;
  word-break: break-word;
  font-size: clamp(2rem, 6vw, 3.4rem);
}
.word-display.blur { filter: blur(9px); user-select: none; }
.word-display.fuzzy { color: transparent; text-shadow: 0 0 14px var(--text-3); user-select: none; }

.typing-box { position: relative; width: min(680px, 100%); }.typing-input {
  width: 100%;
  font-family: var(--mono);
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  text-align: center;
  padding: 0.6rem 0.8rem 0.7rem;
  border: none;
  border-bottom: 2.5px solid var(--line);
  background: transparent;
  outline: none;
  letter-spacing: 1.5px;
  color: var(--text);
  transition: border-color var(--anim);
  caret-color: var(--accent);
}
.typing-input:focus { border-color: var(--accent); }
.typing-input.ok { border-color: var(--ok); color: var(--ok); }
.typing-input.err { border-color: var(--err); color: var(--err); animation: shake 0.3s; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)} }

.mean-box { max-width: 680px; width: 100%; display: flex; flex-direction: column; gap: 0.3rem; text-align: left; }
.mean-line { font-size: 15.5px; color: var(--text-2); display: flex; gap: 0.5rem; align-items: baseline; }
.mean-line .pos {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 12.5px;
  flex: 0 0 3.4rem;
  text-align: center;
  border-radius: 5px;
  background: var(--accent-2);
}
.mean-line > span:not(.pos) { flex: 1; }
.mean-line.hide { filter: blur(7px); user-select: none; }

.practice-actions { display: flex; gap: 0.5rem; align-items: center; justify-content: center; flex-wrap: wrap; }
/* 练习页工具条（音标 + 发音 / 收藏 / 详解）：窄屏必须能换行，别把页面撑出横向滚动条。
   专用类而不是复用 .word-phonetic —— 后者还被翻卡卡片里那行纯音标用着。 */
.practice-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.35rem 0.45rem; margin: 0.1rem 0 0.15rem; }
.practice-tools .phon { font-family: var(--mono); color: var(--text-3); font-size: 15px; letter-spacing: 0.3px; }
.practice-tools .btn { white-space: nowrap; }
.hint-keys { color: var(--text-3); font-size: 12.5px; }
kbd {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0.05rem 0.35rem;
  color: var(--text-2);
}

/* 翻卡 */
.flashcard {
  width: min(560px, 100%);
  min-height: 15rem;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1.6rem;
  cursor: pointer;
  transition: transform var(--anim), border-color var(--anim);
}
.flashcard:hover { border-color: var(--accent); }
.flashcard.revealed { border-color: var(--ok); }

/* 音频跟读 */
.audio-layout { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.audio-player { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.audio-player audio { width: 100%; max-width: 520px; }
.lyric-list {
  max-height: 26rem;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 0.5rem;
}
.lyric-item {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.36rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--anim), color var(--anim);
  font-size: 15px;
}
.lyric-item:hover { background: var(--bg-soft); }
.lyric-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.lyric-item .ly-time { font-family: var(--mono); font-size: 11.5px; color: var(--text-3); flex: 0 0 3.2rem; }
.lyric-item .ly-word { font-family: var(--mono); font-size: 16px; }
.lyric-item .ly-trans { font-size: 12.5px; color: var(--text-3); margin-left: auto; text-align: right; max-width: 46%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lyric-item.active .ly-trans { color: var(--accent); opacity: 0.8; }

/* 单词表 / 列表 */
.wordlist { display: flex; flex-direction: column; }
.wl-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--anim);
  cursor: pointer;   /* 整行可点：进入词典详解 */
}
.wl-row:hover { background: var(--bg-soft); }
.wl-row:last-child { border-bottom: none; }
.wl-main { min-width: 0; flex: 1; }
.wl-word { font-family: var(--mono); font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 0.45rem; }
/* 单词链接：保持原有视觉（不加下划线、不改色），悬停才高亮 */
.wl-link { color: inherit; text-decoration: none; }
.wl-link:hover { color: var(--accent); }
.wl-phon { font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.wl-trans { font-size: 13px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.wl-side { display: flex; align-items: center; gap: 0.2rem; }
.wl-num { font-family: var(--mono); font-size: 11.5px; color: var(--text-3); flex: 0 0 2rem; text-align: right; }

.pager { display: flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 1rem 0; }
.pager .pg-info { font-size: 13px; color: var(--text-3); font-family: var(--mono); }

.star-btn {
  border: none; background: transparent; color: var(--text-3); opacity: 0.55; padding: 0.2rem;
  display: grid; place-items: center; border-radius: 7px; transition: color var(--anim), background var(--anim), opacity var(--anim);
}
.star-btn:hover { background: var(--bg-soft); opacity: 1; }
.star-btn svg { width: 17px; height: 17px; }
.star-btn.on { color: var(--fav); opacity: 1; }
.star-btn.master.on { color: var(--ok); opacity: 1; }

/* Toast */
#toast-host { position: fixed; top: 1.2rem; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 0.5rem; align-items: center; pointer-events: none; }
.toast {
  background: var(--text); color: var(--bg);
  padding: 0.5rem 0.95rem; border-radius: 10px; font-size: 13.5px;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
  animation: toastIn 0.25s ease;
  max-width: 80vw;
}
.toast.ok { background: var(--ok); color: #fff; }
.toast.err { background: var(--err); color: #fff; }
/* 提醒类（如发音不可用）：固定橙色，浅色/深色主题下都是白字可读 */
.toast.warn { background: var(--warn); color: #fff; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* 统计 */
.bar-chart { display: flex; align-items: flex-end; gap: 6px; height: 150px; padding-top: 0.5rem; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 0.35rem; min-width: 0; height: 100%; justify-content: flex-end; }
.bar-fill { width: 100%; max-width: 34px; background: var(--accent); border-radius: 6px 6px 0 0; min-height: 3px; transition: height 0.4s ease; }
.bar-fill.wrong { background: var(--err); }
.bar-label { font-size: 10.5px; color: var(--text-3); font-family: var(--mono); }
.bar-legend { display: flex; gap: 1rem; font-size: 12.5px; color: var(--text-3); }
.dot { width: 9px; height: 9px; border-radius: 3px; display: inline-block; margin-right: 0.3rem; }
/* 近期场次正确率（统计页） */
.sess-list { display: flex; flex-direction: column; gap: 0.55rem; }
.sess-row { display: flex; align-items: center; gap: 0.9rem; padding: 0.4rem 0; }
.sess-row + .sess-row { border-top: 1px solid var(--line-soft); }
.sess-meta { flex: 0 0 42%; min-width: 0; display: flex; flex-direction: column; gap: 0.1rem; }
.sess-mode { font-weight: 600; font-size: 13.5px; }
.sess-bar { flex: 1; display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.sess-bar .progress-line { flex: 1; }
.sess-acc { font-family: var(--mono); font-size: 13px; font-weight: 600; flex: 0 0 3.2em; text-align: right; }
.sess-acc.ok { color: var(--ok); }
.sess-acc.err { color: var(--err); }
.progress-line.err > i { background: var(--err); }

/* 设置 */
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line-soft); }
.set-row:last-child { border-bottom: none; }
.set-label { font-size: 14px; }
.set-hint { font-size: 12px; color: var(--text-3); }
.switch { width: 44px; height: 25px; border-radius: 20px; background: var(--line); position: relative; border: none; transition: background var(--anim); flex: 0 0 44px; }
.switch::after { content: ""; position: absolute; top: 2.5px; left: 2.5px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform var(--anim); box-shadow: var(--shadow-sm); }
.switch.on { background: var(--accent); }
.switch.on::after { transform: translateX(19px); }

/* 资源 */
.res-card { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.1rem; }
.res-ico { width: 44px; height: 44px; flex: 0 0 44px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-2); color: var(--accent); font-family: var(--mono); font-weight: 700; font-size: 12px; }

/* 移动端 */
.mobile-topbar { display: none; }
.pwa-action { position: fixed; right: 1rem; bottom: calc(1rem + env(safe-area-inset-bottom)); z-index: 90; border: 1px solid var(--line); border-radius: 999px; padding: .55rem .85rem; background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow); font-size: 12px; }
.pwa-action[hidden] { display: none; }
.pwa-update { bottom: calc(4rem + env(safe-area-inset-bottom)); background: var(--warn); color: #211a19; }
.mobile-more-sheet, .nav-more-toggle { display: none; }
@media (max-width: 860px) {
  #app { flex-direction: column; }
  .sidebar {
    position: fixed; left: 0; right: 0; bottom: 0; top: auto;
    height: auto; width: 100%; flex: none;
    flex-direction: row; align-items: center; justify-content: space-around;
    padding: 0.35rem 0.4rem calc(0.35rem + env(safe-area-inset-bottom)); border-right: none; border-top: 1px solid var(--line);
    z-index: 60; overflow-x: auto; gap: 0.1rem;
  }
  .brand, .sidebar-foot, .nav-badge { display: none !important; }
  .nav { flex-direction: row; flex: 1; overflow: visible; width: 100%; justify-content: space-between; }
  .nav-item, .nav-more-toggle { flex-direction: column; gap: 2px; padding: 0.35rem 0.2rem; font-size: 10px; flex: 1; align-items: center; min-width: 0; min-height: 44px; }
  .nav-item .nav-label, .nav-more-toggle .nav-label { display: block !important; font-size: 10px; line-height: 1.1; white-space: nowrap; }
  .nav-item.mobile-secondary { display: none !important; }
  .nav-more-toggle { display: flex; border: 0; background: transparent; color: var(--text-2); }
  .nav-more-toggle:hover { background: var(--bg-soft); color: var(--text); }
  .nav-item .nav-ico svg { width: 19px; height: 19px; }
  .main { padding: 1rem 0.9rem calc(5.5rem + env(safe-area-inset-bottom)); }
  .pwa-action { bottom: calc(5.5rem + env(safe-area-inset-bottom)); }
  .pwa-update { bottom: calc(8.5rem + env(safe-area-inset-bottom)); }
  .stage { min-height: 20rem; }
  .mobile-more-sheet { display: block; position: fixed; left: .75rem; right: .75rem; bottom: calc(4.7rem + env(safe-area-inset-bottom)); max-height: min(70vh, 32rem); overflow-y: auto; padding: .8rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); box-shadow: 0 12px 40px rgba(0,0,0,.18); z-index: 80; }
  .mobile-more-sheet[hidden] { display: none; }
  .mobile-more-head { display: flex; align-items: center; justify-content: space-between; padding: .2rem .15rem .7rem; border-bottom: 1px solid var(--line-soft); }
  .mobile-more-head b { font-size: 13px; }
  .mobile-more-head .icon-btn { width: 32px; height: 32px; }
  .mobile-more-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .4rem; padding-top: .7rem; }
  .mobile-more-item { min-height: 58px; border: 1px solid transparent; border-radius: 4px; background: transparent; color: var(--text-2); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .25rem; font-size: 10px; }
  .mobile-more-item:hover, .mobile-more-item.active { background: var(--accent-soft); color: var(--accent); border-color: var(--line); }
  .mobile-more-item svg { flex-shrink: 0; }
}

/* ==========================================================================
   单词详情页（一词一卡）
   ========================================================================== */
a.btn { text-decoration: none; }
a.star-btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.star-btn.dim { opacity: 0.4; }
.tag.link { color: var(--accent); border-color: var(--accent-2); background: var(--accent-2); text-decoration: none; display: inline-flex; align-items: center; gap: 3px; }
.tag.link:hover { filter: brightness(0.97); }

.dc-wrap { display: flex; flex-direction: column; gap: 0.9rem; }

/* 头部 */
.dc-head { display: flex; flex-direction: column; gap: 0.5rem; }
.dc-crumb { display: flex; align-items: center; gap: 0.6rem; }
.dc-crumb .dc-nav-sp { margin-left: auto; display: flex; gap: 0.3rem; }
.dc-title { display: flex; align-items: flex-start; gap: 0.8rem; }
.dc-word {
  font-family: var(--mono); font-size: 2rem; font-weight: 700; letter-spacing: 0.5px;
  color: var(--text); line-height: 1.2; word-break: break-word; flex: 1;
}
.dc-actions { display: flex; gap: 0.25rem; flex: none; }
.dc-phons { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.dc-phon {
  font-family: var(--mono); font-size: 13.5px; color: var(--text-2);
  background: var(--card-2); border: 1px solid var(--line-soft); border-radius: 999px;
  padding: 0.28rem 0.7rem; cursor: pointer; transition: all var(--anim);
}
.dc-phon:hover { color: var(--accent); border-color: var(--accent-2); background: var(--accent-2); }
.dc-tags { flex-wrap: wrap; gap: 0.35rem; }

/* 板块 */
.dc-sec { padding: 1rem 1.15rem; }
.dc-sec-title {
  display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.6rem;
  font-size: 13px; font-weight: 700; color: var(--accent);
}
.dc-sec-title svg { width: 16px; height: 16px; }
.dc-sec-title span { color: var(--text); }

/* 释义 */
.dc-means { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.dc-means li { display: flex; gap: 0.5rem; align-items: baseline; }
.dc-pos {
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  background: var(--accent-2); border-radius: 6px; padding: 0.05rem 0.45rem;
  flex: none; white-space: nowrap;
}

/* 列表通用 */
.dc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.45rem; }
.dc-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.35rem 0.6rem; }
.dc-en { font-family: var(--mono); font-size: 14.5px; color: var(--text); }
.dc-zh { color: var(--text-2); font-size: 13.5px; }

/* 语料搭配 chips */
.dc-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.dc-chip {
  font-family: var(--mono); font-size: 13.5px; background: var(--card-2);
  border: 1px solid var(--line-soft); border-radius: 8px; padding: 0.2rem 0.55rem;
  display: inline-block;
}
.dc-chip-zh {
  display: block; font-family: var(--font-ui, system-ui); font-size: 11px;
  color: var(--text-3); margin-top: 0.1rem;
}
/* 例句/搭配的小喇叭：贴着内容右侧，视觉弱化 */
.dc-speak-sm {
  vertical-align: middle; margin-left: 0.3rem; padding: 0.05rem 0.25rem;
  color: var(--text-3); background: none; border: none; cursor: pointer;
}
.dc-speak-sm:hover { color: var(--accent); }

/* 近义 / 反义 */
.dc-synrow { margin-bottom: 0.5rem; }
.dc-synrow:last-child { margin-bottom: 0; }
.dc-synwords { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 0.1rem; margin-left: 0.3rem; }
.dc-sep { color: var(--text-3); }

/* 例句 */
.dc-ex { list-style: decimal; margin: 0; padding-left: 1.3rem; display: flex; flex-direction: column; gap: 0.55rem; }
.dc-ex li { padding-left: 0.2rem; }
.dc-ex-en { font-family: var(--mono); font-size: 14.5px; color: var(--text); line-height: 1.5; }
.dc-ex-zh { color: var(--text-2); font-size: 13.5px; margin-top: 0.1rem; }

.dc-etym { color: var(--text-2); font-size: 13.5px; line-height: 1.7; }

/* 学习笔记：详解页的随记文本域（自动保存、随进度云同步） */
.dc-note {
  width: 100%; min-height: 96px; resize: vertical;
  padding: 0.6rem 0.7rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  font: inherit; font-size: 13.5px; line-height: 1.65;
}
.dc-note:focus { outline: none; border-color: var(--accent); }
.dc-note-foot { display: flex; justify-content: flex-end; margin-top: 0.35rem; min-height: 1.1em; }

/* 单词链接 */
.wref {
  color: var(--accent); text-decoration: none;
  border-bottom: 1px solid var(--accent-soft); padding-bottom: 0.5px;
  transition: all var(--anim);
}
.wref:hover { background: var(--accent-2); border-bottom-color: var(--accent); }
.wref.dead { color: var(--text); border-bottom: none; }
.wself { color: var(--text); font-weight: 700; }

@media (max-width: 860px) {
  .dc-word { font-size: 1.6rem; }
  /* 「发音方式」三段选择器较宽，窄屏改为竖排，避免挤压左侧说明 */
  .set-row-col { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .set-row-col .seg { flex-wrap: wrap; }
  .seg button { padding: 0.3rem 0.6rem; font-size: 12.5px; }
}
.wref.ext { border-bottom-style: dotted; }

/* ==========================================================================
   六级阅读真题（#/reading）—— 页面阅读器 + 答题卡
   ========================================================================== */

/* 材料大 tab */
.rd-tabs { display: flex; gap: 4px; background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 4px; margin-bottom: 1rem; }
.rd-tab { flex: 1; border: none; background: transparent; color: var(--text-2);
  padding: 0.5rem 0.6rem; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500;
  transition: all var(--anim); }
.rd-tab.active { background: var(--card); color: var(--accent); font-weight: 600; box-shadow: var(--shadow-sm); }
.rd-tab:hover:not(.active) { color: var(--text); }

/* 套题 / 模式 二级切换条 */
.rd-subbar { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem;
  flex-wrap: wrap; margin-bottom: 0.9rem; }
.rd-subbar-l, .rd-subbar-r { display: inline-flex; gap: 4px; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 3px; }
.rd-sub { border: none; background: transparent; color: var(--text-2); padding: 0.34rem 0.72rem;
  border-radius: 8px; font-size: 13px; transition: all var(--anim); white-space: nowrap; }
.rd-sub.active { background: var(--card); color: var(--accent); font-weight: 600; box-shadow: var(--shadow-sm); }
.rd-sub:hover:not(.active) { color: var(--text); }

/* 页面阅读器 */
.rd-reader { margin-bottom: 1rem; }
.rd-tag { font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 0.5rem; }
.rd-jump { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; margin-bottom: 0.8rem;
  padding: 0.5rem 0.6rem; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-sm); }
.pj { min-width: 28px; height: 26px; padding: 0 6px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--text-2); border-radius: 7px; font-size: 12.5px;
  font-family: var(--mono); transition: all var(--anim); }
.pj:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-2); }
.rd-pages { display: flex; flex-direction: column; gap: 0.9rem; align-items: center; }
.rd-page { margin: 0; width: 100%; max-width: 780px; }
.rd-img { display: block; width: 100%; height: auto; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--card); cursor: zoom-in;
  box-shadow: var(--shadow-sm); transition: box-shadow var(--anim); }
.rd-img:hover { box-shadow: var(--shadow); }
.rd-cap { display: flex; align-items: center; justify-content: space-between;
  font-size: 12.5px; color: var(--text-3); padding: 0.3rem 0.15rem 0; }
.rd-open { color: var(--accent); text-decoration: none; }
.rd-open:hover { text-decoration: underline; }

.rd-tip { display: flex; align-items: center; gap: 0.45rem; color: var(--text-3);
  font-size: 13px; padding: 0.2rem 0 0.4rem; }
.rd-practice-desc { margin-top: 0.8rem; }

/* 全屏灯箱 */
.rd-lightbox { position: fixed; inset: 0; z-index: 900; background: rgba(8, 10, 14, 0.94);
  display: flex; align-items: center; justify-content: center; padding: 3.2rem 3.6rem; }
.lb-img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 6px;
  box-shadow: 0 10px 60px rgba(0, 0, 0, 0.6); }
.lb-bar { position: absolute; top: 0.9rem; left: 0; right: 0; display: flex; align-items: center;
  justify-content: center; gap: 1rem; color: #fff; }
.lb-count { font-size: 13.5px; font-family: var(--mono); opacity: 0.9; }
.lb-btn { position: absolute; right: 1rem; top: 0.7rem; border: none; background: rgba(255,255,255,0.12);
  color: #fff; width: 34px; height: 34px; border-radius: 50%; display: inline-flex;
  align-items: center; justify-content: center; transition: background var(--anim); }
.lb-btn:hover { background: rgba(255,255,255,0.26); }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); border: none;
  background: rgba(255,255,255,0.12); color: #fff; width: 46px; height: 46px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center; transition: background var(--anim); }
.lb-nav:hover:not(:disabled) { background: rgba(255,255,255,0.28); }
.lb-nav:disabled { opacity: 0.25; cursor: not-allowed; }
.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }

/* ---------- 答题卡 ---------- */
.ans-card { display: flex; flex-direction: column; gap: 1rem; }
.ans-sec { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.9rem 1rem 1rem; }
.ans-sec-head { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.35rem; }
.ans-badge { font-size: 11.5px; font-weight: 700; letter-spacing: 0.02em; color: var(--accent);
  background: var(--accent-2); border-radius: 6px; padding: 0.15rem 0.45rem; }
.ans-sec-name { font-weight: 600; }
.ans-hint { margin-bottom: 0.7rem; }
.ans-words { background: var(--card-2); border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  padding: 0.55rem 0.65rem; margin-bottom: 0.8rem; }
.ans-words-t { font-size: 12px; color: var(--text-3); margin-bottom: 0.35rem; }
.wl-chip { display: inline-flex; align-items: baseline; gap: 0.3rem; font-size: 13px;
  color: var(--text-2); font-family: var(--mono); margin: 0 0.55rem 0.3rem 0; }
.wl-chip b { color: var(--accent); font-family: var(--font); }

.ans-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 0.45rem 1.2rem; }
.ans-q { display: flex; align-items: flex-start; gap: 0.5rem; padding: 0.28rem 0.35rem;
  border-radius: 8px; border: 1px solid transparent; }
.ans-q.ok { background: var(--ok-soft); border-color: rgba(22,163,74,0.3); }
.ans-q.bad { background: var(--err-soft); border-color: rgba(220,38,38,0.28); }
.ans-no { font-family: var(--mono); font-size: 13px; color: var(--text-3); min-width: 1.5rem;
  text-align: right; padding-top: 0.28rem; }
.ans-opts { display: flex; flex-wrap: wrap; gap: 3px; flex: 1; }
.ans-opt { width: 26px; height: 26px; border: 1px solid var(--line); background: var(--card-2);
  color: var(--text-2); border-radius: 7px; font-size: 12.5px; font-weight: 600;
  font-family: var(--mono); transition: all var(--anim); }
.ans-opt:hover { border-color: var(--accent); color: var(--accent); }
.ans-opt.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.ans-opt.good { background: var(--ok); border-color: var(--ok); color: #fff; }
.ans-mark { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 13px;
  font-weight: 700; padding-top: 0.28rem; }
.ans-mark:not(.show) { display: none; }
.mk-ok { color: var(--ok); }
.mk-bad { color: var(--err); }
.mk-correct { color: var(--ok); font-family: var(--mono); }

.ans-bar { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
  position: sticky; bottom: 0; margin-top: 1rem; padding: 0.7rem 0.8rem;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); }
.ans-score { margin-left: auto; font-size: 13.5px; color: var(--text-2); }
.ans-score b { color: var(--text); }
.sc-ok { color: var(--ok); }

@media (max-width: 860px) {
  .rd-lightbox { padding: 3rem 0.6rem; }
  .lb-nav { width: 38px; height: 38px; }
  .lb-prev { left: 0.35rem; }
  .lb-next { right: 0.35rem; }
  .rd-subbar-l, .rd-subbar-r { flex-wrap: wrap; }
  .ans-grid { grid-template-columns: 1fr; }
  .ans-opt { width: 30px; height: 30px; }
}

/* 网页版真题阅读入口卡（学习资料页） */
.res-hero { display: flex; align-items: center; gap: 1rem; padding: 1.1rem 1.2rem;
  text-decoration: none; color: inherit; border: 1px solid var(--accent-soft);
  background: linear-gradient(180deg, var(--accent-2), var(--card)); transition: all var(--anim); }
.res-hero:hover { border-color: var(--accent); transform: translateY(-1px); }
.rh-ico { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 12px; display: grid;
  place-items: center; background: var(--accent); color: #fff; }
.rh-title { font-weight: 700; font-size: 15.5px; margin-bottom: 0.15rem; }

/* 判分后「未作答」用中性色，避免与答错混为一谈 */
.ans-q.miss { background: var(--warn-soft); border-color: rgba(217, 119, 6, 0.3); }
.mk-miss { color: var(--warn); font-size: 12px; }

/* 移动端：底部导航会盖住吸底的判分条，把它抬高到导航之上 */
@media (max-width: 860px) {
  .ans-bar { bottom: 4.5rem; }
}

/* ---------- 答错后「再试一次」（练习页打字类模式） ---------- */
/* 第一次答错只提示重做：不改判、不揭答案，给一次纠正机会 */
.retry-line {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; flex-wrap: wrap; margin-top: 0.65rem;
}
.retry-line:empty { display: none; }
.rt-tag {
  display: inline-flex; align-items: center; gap: 0.32rem;
  font-size: 13.5px; color: var(--err); background: var(--err-soft);
  border-radius: 999px; padding: 0.28rem 0.72rem;
  animation: shake 0.36s;
}
/* 复用已有的 shake 关键帧，抖动输入框提示「不对」 */
.typing-box.shake .typing-input { animation: shake 0.36s; }

@media (prefers-reduced-motion: reduce) {
  .rt-tag, .typing-box.shake .typing-input { animation: none; }
}

/* ==========================================================================
   词典选择（词库页）/ 艾宾浩斯复习页
   ========================================================================== */

/* ---------- 词典分组 ---------- */
.deck-group { margin-bottom: 1.6rem; }
.deck-group-title { margin: 0; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-3); }

/* 词典卡：比首页 book-card 多一行「浏览 / 练习」 */
.deck-card { gap: 0.45rem; }
.deck-card .bk-name { padding-right: 3.6rem; }
.deck-card .bk-desc { min-height: 2.2em; }
.deck-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.5rem; margin-top: 0.15rem;
}
.deck-foot .btn { pointer-events: auto; }

/* ---------- 复习页 ---------- */
.nav-badge.srs { background: var(--accent); color: var(--on-accent); }

.tag.srs { background: var(--accent-2); color: var(--accent); border-color: transparent; }

/* 首页的「今日复习」提示条 */
.srs-callout { border-left: 3px solid var(--accent); }
.srs-callout .card-title { display: flex; align-items: center; gap: 0.35rem; }

/* 未来排期条 */
.sched { display: flex; align-items: flex-end; gap: 0.4rem; height: 120px; }
.sched-col {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 0.25rem; height: 100%; min-width: 0;
}
.sched-n { font-size: 11px; color: var(--text-3); font-family: var(--mono); height: 14px; }
.sched-bar {
  flex: 1; width: 100%; display: flex; align-items: flex-end;
  background: var(--bg-soft); border-radius: 6px; overflow: hidden;
}
.sched-bar > i { display: block; width: 100%; background: var(--line); border-radius: 6px; transition: height 0.4s ease; }
.sched-col.today .sched-bar > i { background: var(--accent); }
.sched-lbl { font-size: 10.5px; color: var(--text-3); white-space: nowrap; }
.sched-col.today .sched-lbl { color: var(--accent); font-weight: 700; }

/* 到期词列表 */
.srs-list { padding: 0.15rem 0; }
.srs-row {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 1.05rem; border-bottom: 1px solid var(--line-soft);
}
.srs-row:last-child { border-bottom: none; }
.srs-row:hover { background: var(--card-2); }
.sr-main { flex: 1; display: flex; align-items: baseline; gap: 0.6rem; min-width: 0; flex-wrap: wrap; }
.sr-main .wl-link { font-family: var(--mono); font-size: 15px; font-weight: 600; }
.sr-brief { color: var(--text-3); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 46ch; }
.sr-side { display: flex; align-items: center; gap: 0.3rem; flex: none; }

/* 练习页顶部的当前词源 */
.pp-src { font-size: 12px; color: var(--text-3); margin-bottom: 0.15rem; }

@media (max-width: 860px) {
  .sched { height: 96px; }
  .sched-lbl { font-size: 9.5px; }
  .srs-row { padding: 0.5rem 0.7rem; }
  .sr-brief { max-width: 18ch; }
}

/* ==========================================================================
   账号 / 云同步 / 管理看板
   ========================================================================== */

.hide { display: none !important; }
.mono { font-family: var(--mono); font-size: 12.5px; color: var(--text-2); word-break: break-all; }

/* ---------- 侧边栏底部的账号入口 ---------- */
.foot-user {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border: none;
  background: transparent;
  color: var(--text-2);
  padding: 0.3rem 0.35rem;
  border-radius: 9px;
  font-size: 12px;
  transition: background var(--anim), color var(--anim);
}
.foot-user:hover { background: var(--bg-soft); color: var(--text); }
.foot-user svg { width: 14px; height: 14px; flex: none; }
.foot-user .fu-text {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; text-align: left;
}

/* 同步状态小圆点 */
.sync-dot {
  width: 8px; height: 8px; border-radius: 50%;
  flex: none; background: var(--text-3); opacity: 0.7;
}
.sync-dot.idle { background: var(--ok); opacity: 1; }
.sync-dot.syncing { background: var(--accent); opacity: 1; animation: syncPulse 1s ease-in-out infinite; }
.sync-dot.error { background: var(--err); opacity: 1; }
@keyframes syncPulse { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }

/* 账号页里的状态胶囊 */
.sync-pill {
  font-size: 12px; padding: 0.16rem 0.6rem; border-radius: 20px;
  background: var(--bg-soft); color: var(--text-2); border: 1px solid var(--line);
  white-space: nowrap;
}
.sync-pill.idle { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.sync-pill.syncing { background: var(--accent-2); color: var(--accent); border-color: transparent; }
.sync-pill.error { background: var(--err-soft); color: var(--err); border-color: transparent; }

/* ---------- 登录 / 注册表单 ---------- */
.auth-form { display: flex; flex-direction: column; gap: 0.35rem; }
.auth-lb { font-size: 12.5px; color: var(--text-3); margin-top: 0.5rem; }
.auth-form .field { width: 100%; }
.auth-err { color: var(--err); font-size: 13px; min-height: 1.2em; margin: 0.45rem 0 0.15rem; }

/* ---------- 管理看板 ---------- */
.adm-table-wrap { overflow-x: auto; padding: 0.2rem 0.2rem 0; }
.adm-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 720px; }
.adm-table th {
  text-align: left; font-weight: 600; font-size: 12px; color: var(--text-3);
  padding: 0.7rem 0.8rem; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.adm-table td { padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.adm-table tr:last-child td { border-bottom: none; }
.adm-table tbody tr:hover { background: var(--card-2); }
.adm-table tr.on { background: var(--accent-soft); }
.adm-table .num { text-align: right; font-family: var(--mono); white-space: nowrap; }
.adm-table .num.ok { color: var(--ok); }
.adm-table .num.err { color: var(--err); }
.adm-mail { font-weight: 600; word-break: break-all; }
.adm-ops { white-space: nowrap; display: flex; gap: 0.3rem; }

.adm-detail { margin-top: 0.2rem; }
.adm-words { display: flex; flex-direction: column; }
.adm-word {
  display: flex; align-items: baseline; gap: 0.6rem;
  padding: 0.42rem 0.55rem; border-radius: 8px;
  color: inherit; border-bottom: 1px solid var(--line-soft);
  transition: background var(--anim);
}
.adm-word:last-child { border-bottom: none; }
.adm-word:hover { background: var(--bg-soft); }
.adm-word b { font-family: var(--mono); font-size: 14.5px; color: var(--text); flex: none; }
.adm-word .adm-brief {
  flex: 1; min-width: 0; color: var(--text-3); font-size: 12.5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.adm-word .tag { flex: none; }

@media (max-width: 860px) {
  .adm-ops { flex-direction: column; }
  .adm-word .adm-brief { max-width: 12ch; }
}



/* ------------------------------ 动效（参考 Lenval Properties） ------------------------------ */
/* 🔴 初始隐藏态 .rv 只由 motion.js 动态添加：脚本没跑 / 报错时页面照常显示，绝不白屏 */
.rv { opacity: 0; transform: translateY(16px); }
.rv.rv-in {
  opacity: 1; transform: none;
  transition: opacity 0.55s cubic-bezier(0.19, 1, 0.22, 1),
              transform 0.7s cubic-bezier(0.19, 1, 0.22, 1);
  transition-delay: var(--rv-delay, 0ms);
}

/* 路由切换：旧视图 130ms 快速淡出，新视图进场 reveal（app.js 加 / 摘 .view-out） */
#view { transition: opacity 0.13s ease-out, transform 0.13s ease-out; }
#view.view-out { opacity: 0; transform: translateY(-8px); }

/* 磁吸按钮：hover 时朝鼠标方向轻微偏移（只给 hero 的主 CTA 加 data-magnetic） */
[data-magnetic] { transition: transform 0.2s cubic-bezier(0.19, 1, 0.22, 1); will-change: transform; }

/* 首访入场动画：仿 Lenval new-preloader——深棕幕布 + 竖向发丝线 + 叶影纹理（multiply），
   标题逐字从遮罩升起 + 中央照片纵向剖开揭示（clip-path + 内图 1.2→1）+
   Loading 百分比计数与进度线；收尾幕布从中缝向上下退开、#app 从中心放大。
   幕布做成上下两块「窗口」各自渲染整屏内容，退出时错缝 70ms 平移，
   视觉上就是 Lenval 那个「先撕开一道缝再退开」。pointer-events:none，
   动画卡住也绝不挡下面的页面。只播一次（sessionStorage，见 motion.js）。 */
.intro {
  position: fixed; inset: 0; z-index: 999;
  pointer-events: none;
}
.intro-half {
  position: absolute; left: 0; right: 0; height: 50.5%;
  overflow: hidden;
  background: #26100d;
}
.intro-half-t { top: 0; transition: transform 1.05s cubic-bezier(0.76, 0, 0.24, 1); }
.intro-half-b { bottom: 0; transition: transform 1.05s cubic-bezier(0.76, 0, 0.24, 1) 0.07s; }
.intro.done .intro-half-t { transform: translateY(-101%); }
.intro.done .intro-half-b { transform: translateY(101%); }
/* 内层按整屏定位：两块只是显示窗口，内容不错位（上下窗口各渲染一份） */
.intro-in {
  position: absolute; left: 0; width: 100%; height: 100vh;
  color: #f9f4ee;
}
.intro-half-t .intro-in { top: 0; }
.intro-half-b .intro-in { bottom: 0; }
/* 竖向发丝线（Lenval 的 grid 骨架线）+ 叶影纹理 */
.intro-lines { position: absolute; inset: 0; pointer-events: none; }
.intro-lines i { position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(249, 244, 238, 0.08); }
.intro-lines i:nth-child(1) { left: 25%; }
.intro-lines i:nth-child(2) { left: 50%; }
.intro-lines i:nth-child(3) { left: 75%; }
.intro-shadow {
  position: absolute; width: 130vmax; height: 92vmax; left: -14vmax; top: -16vmax;
  background: url("../img/shadow-leaves.webp") center/cover no-repeat;
  mix-blend-mode: multiply; opacity: 0.55; pointer-events: none;
  animation: intro-shadow-drift 14s ease-in-out infinite alternate;
}
@keyframes intro-shadow-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(3vmax, 2vmax) scale(1.06); }
}
/* 角标：左上品牌小字 / 右上英文标签 */
.intro-brand, .intro-tag {
  position: absolute; top: 2rem;
  font-size: 10.5px; letter-spacing: 0.24em;
  color: rgba(249, 244, 238, 0.62);
  opacity: 0; transition: opacity 0.7s ease 0.5s;
}
.intro-brand { left: 2.2rem; }
.intro-tag { right: 2.2rem; }
.intro.run .intro-brand, .intro.run .intro-tag { opacity: 1; }
/* 主标题：逐字遮罩上升 */
.intro-title {
  position: absolute; top: 16vh; left: 0; right: 0;
  display: flex; justify-content: center; gap: 0.08em;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  font-weight: 500; letter-spacing: 0.04em; line-height: 1.15;
}
.intro-title span { display: inline-block; transform: translateY(118%); }
.intro.run .intro-title span {
  animation: intro-rise 0.9s cubic-bezier(0.19, 1, 0.22, 1) both;
  animation-delay: calc(90ms + var(--wi) * 70ms);
}
@keyframes intro-rise { from { transform: translateY(118%); } to { transform: translateY(0); } }
/* 中央照片：先纵向合拢成一条缝，再剖开 + 内图 1.2→1（Lenval 的 clip-path 揭示） */
.intro-img-w {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(50vh, 64vw, 520px); aspect-ratio: 3 / 2;
  clip-path: inset(50% 0% 50% 0%);
}
.intro-img-w img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transform: scale(1.2);
}
.intro.run .intro-img-w { animation: intro-img-clip 1.15s cubic-bezier(0.65, 0, 0.35, 1) 0.5s both; }
.intro.run .intro-img-w img { animation: intro-img-zoom 1.15s cubic-bezier(0.65, 0, 0.35, 1) 0.5s both; }
@keyframes intro-img-clip { from { clip-path: inset(50% 0% 50% 0%); } to { clip-path: inset(0% 0% 0% 0%); } }
@keyframes intro-img-zoom { from { transform: scale(1.2); } to { transform: scale(1); } }
/* 图下小字 */
.intro-sub {
  position: absolute; top: calc(50% + min(25vh, 32vw, 260px) + 1.4rem); left: 0; right: 0;
  text-align: center;
  font-size: 10.5px; letter-spacing: 0.24em;
  color: rgba(249, 244, 238, 0.55);
  opacity: 0; transition: opacity 0.7s ease 1.1s;
}
.intro.run .intro-sub { opacity: 1; }
/* 底部 Loading：左标签 + 右百分比 + 1px 进度线（scaleX 跟计数走） */
.intro-loader { position: absolute; left: 2.2rem; right: 2.2rem; bottom: 2rem; }
.intro-loader-row {
  display: flex; justify-content: space-between;
  font-size: 11px; letter-spacing: 0.2em;
  color: rgba(249, 244, 238, 0.72);
  opacity: 0; transition: opacity 0.6s ease 0.4s;
}
.intro.run .intro-loader-row { opacity: 1; }
.intro-pct { font-variant-numeric: tabular-nums; }
.intro-line { height: 1px; background: rgba(249, 244, 238, 0.16); margin-top: 0.8rem; }
.intro-line i {
  display: block; height: 100%; background: #f9f4ee;
  transform: scaleX(0); transform-origin: left;
}
/* 收尾：页面从中心放大（Lenval：容器 scale .5→1 配合幕布退开） */
#app { transform-origin: 50% 46vh; }
.intro-zoom #app { animation: intro-zoom-app 1.05s cubic-bezier(0.65, 0, 0.35, 1) both; }
@keyframes intro-zoom-app { from { transform: scale(0.62); } to { transform: scale(1); } }

/* ---------- 首页搜词（hs-）---------- */
.hs-box {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--text-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-2);
  padding: 0.55rem 0.8rem;
  transition: border-color var(--anim);
}
.hs-box:focus-within { border-color: var(--accent); color: var(--text-2); }
.hs-box svg { flex: none; }
.hs-box input {
  flex: 1; min-width: 0;
  border: none; background: transparent; outline: none;
  color: var(--text); font-size: 15px;
}
.hs-box input::placeholder { color: var(--text-3); }

.hs-res { margin-top: 0.6rem; display: flex; flex-direction: column; max-height: 65vh; overflow-y: auto; }
.hs-res[hidden] { display: none; }
.hs-count { padding: 0.55rem 0.7rem; font-size: 12px; color: var(--text-3); border-top: 1px solid var(--line-soft); }
.hs-item {
  display: flex; align-items: baseline; gap: 0.6rem;
  width: 100%; text-align: left;
  padding: 0.55rem 0.7rem;
  border: none; border-radius: var(--radius-sm);
  background: transparent; cursor: pointer;
  color: var(--text);
  transition: background 0.18s;
}
.hs-item:hover, .hs-item:focus-visible { background: var(--accent-2); }
.hs-word { font-family: var(--mono); font-size: 15px; font-weight: 600; flex: none; }
.hs-phon { font-family: var(--mono); font-size: 12.5px; color: var(--text-3); flex: none; }
.hs-brief {
  flex: 1; min-width: 0;
  font-size: 13.5px; color: var(--text-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.hs-src { flex: none; font-size: 11px; color: var(--text-3); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 0.05rem 0.35rem; }
.hs-empty { padding: 0.55rem 0.7rem; font-size: 13.5px; color: var(--text-3); }

/* 音频跟读行的详解入口（点行 = 跳时间点；点灯泡 = 进详解） */
.ly-detail {
  flex: none;
  color: var(--text-3);
  display: inline-flex; align-items: center;
  padding: 0.15rem 0.3rem;
  border-radius: var(--radius-sm);
  transition: color 0.18s, background 0.18s;
}
.ly-detail:hover { color: var(--accent); background: var(--accent-2); }

/* 首页搜索：词典索引命中 / 在线词典兜底 */
.hs-src.online { color: var(--warn); border-color: var(--warn-soft); }
.hs-on-body { padding: 0.2rem 0.7rem 0.5rem; display: flex; flex-direction: column; gap: 0.25rem; }
.hs-on-def { font-size: 13px; color: var(--text-2); line-height: 1.5; }
.hs-on-def i { font-style: italic; color: var(--text-3); margin-right: 0.4rem; font-family: var(--mono); font-size: 12px; }
.hs-brief.muted { color: var(--text-3); }

/* 详解页加载等待：名句/习语积累卡（data/quotes.js） */
.load-quote { text-align: center; padding: 1.7rem 1.5rem; }
.lq-text { font-family: var(--font-display); font-size: 1.22rem; line-height: 1.55; color: var(--text); }
.lq-zh { margin-top: 0.5rem; font-size: 0.92rem; line-height: 1.65; color: var(--text-2); }
.lq-idiom { letter-spacing: 0.02em; }
.lq-src { margin-top: 0.7rem; font-size: 13px; color: var(--text-2); }
.lq-foot { margin-top: 1.1rem; padding-top: 0.85rem; border-top: 1px solid var(--line-soft);
  font-size: 11.5px; color: var(--text-3); letter-spacing: 0.1em; }

/* ================= 登录门（#/gate）：进入应用前的登录/注册 + 游客模式 ========= */
/* 门模式下收起侧边栏，整个视口留给登录卡 */
body.gate-mode .sidebar { display: none !important; }
body.gate-mode .main { padding: 0; }

.gate-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.4rem 1.2rem 3rem;
  background:
    radial-gradient(60rem 30rem at 85% -10%, var(--accent-2), transparent 60%),
    radial-gradient(48rem 26rem at -15% 105%, var(--accent-soft), transparent 55%),
    var(--bg);
}
.gate-logo {
  width: 88px; height: 88px;
  border-radius: 22px;
  box-shadow: 0 10px 30px rgba(38, 16, 13, 0.18);
}
.gate-title {
  margin: 1.1rem 0 0.3rem;
  font-family: var(--font-display, serif);
  font-size: 1.9rem;
  letter-spacing: 0.04em;
  color: var(--text);
}
.gate-sub { margin: 0 0 1.4rem; color: var(--text-2); font-size: 0.92rem; }
.gate-card { width: min(400px, 92vw); }
.gate-divider {
  width: min(400px, 92vw);
  display: flex; align-items: center; gap: 0.8rem;
  margin: 1.1rem 0 0.9rem;
  color: var(--text-3); font-size: 12px;
}
.gate-divider::before, .gate-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--line-soft);
}
.gate-guest { width: min(400px, 92vw); }
.gate-foot { max-width: 400px; text-align: center; margin-top: 1rem; line-height: 1.7; }