/* VocabMaster SPA - 简洁护眼风格 */
*,::before,::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#F5F2EE; --card:#FFFFFF; --text:#3D3929; --text2:#7A7565; --text3:#A8A290;
  --primary:#5588BB; --primary-light:#E8F0F8; --primary-dark:#3D6A99;
  --success:#5B9A6B; --success-bg:#E8F5EC;
  --danger:#C4655A; --danger-bg:#FCEAE8;
  --warning:#C49A3F; --warning-bg:#FBF2E0;
  --border:#E5E0D8;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 1px 3px rgba(0,0,0,0.06);
  --transition:0.2s ease;
}

body{
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--bg); color:var(--text); line-height:1.6; min-height:100vh;
}

/* === Top Navigation === */
.topnav{
  position:sticky; top:0; z-index:100;
  background:var(--card); border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 32px; height:56px;
  box-shadow:0 1px 2px rgba(0,0,0,0.04);
}
.topnav-brand{font-size:20px;font-weight:700;color:var(--primary-dark);letter-spacing:-0.3px;}
.topnav-tabs{display:flex;gap:2px;}
.nav-tab{
  padding:8px 20px; border-radius:var(--radius-sm);
  font-size:14px;font-weight:500;color:var(--text2);
  cursor:pointer; transition:all var(--transition);
  border:none; background:transparent;
}
.nav-tab:hover{background:#F8F6F3;color:var(--text);}
.nav-tab.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}

/* === Page Container === */
.main-wrap{max-width:900px; margin:0 auto; padding:32px 24px 64px;}
.page{display:none;animation:fadeIn 0.25s ease;}
.page.active{display:block;}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* === Shared === */
.page-header{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.page-header h2{font-size:22px;font-weight:700;}
.desc{color:var(--text2);margin-bottom:16px;}
.muted{color:var(--text3);font-size:13px;}

button{cursor:pointer;font-family:inherit;border:none;border-radius:var(--radius-sm);transition:all var(--transition);}
.btn-primary{background:var(--primary);color:#fff;padding:8px 18px;font-size:14px;font-weight:500;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text2);padding:6px 14px;font-size:13px;}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-sm{padding:5px 12px;font-size:13px;}
.btn-danger-text{background:transparent;color:var(--danger);padding:5px 10px;font-size:13px;}
.btn-danger-text:hover{background:var(--danger-bg);}

/* === Empty State === */
.empty{text-align:center;padding:48px 20px;}
.empty-icon{font-size:48px;margin-bottom:12px;opacity:0.5;}
.empty p{color:var(--text2);margin-bottom:6px;}

/* === Wordbook Page === */

/* 创建单词本表单 */
.create-book-form{display:flex;gap:10px;margin-bottom:28px;}
.create-book-form input{
  flex:1;max-width:420px;padding:10px 16px;font-size:15px;
  border:1.5px solid var(--border);border-radius:var(--radius-sm);
  background:var(--card);outline:none;color:var(--text);
}
.create-book-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(85,136,187,0.1);}
.create-book-form input::placeholder{color:var(--text3);}

.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;}
.book-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);transition:all var(--transition);
  display:flex;flex-direction:column;gap:12px;
}
.book-card:hover{box-shadow:0 2px 8px rgba(0,0,0,0.1);}

/* 卡片名称（可点击重命名） */
.book-card-name{
  font-size:17px;font-weight:600;cursor:pointer;color:var(--text);
  padding:2px 6px;margin:-2px -6px;border-radius:4px;transition:all var(--transition);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.book-card-name:hover{background:var(--primary-light);color:var(--primary-dark);}

/* 重命名输入框 */
.book-card-name.rename-input{
  border:1.5px solid var(--primary);outline:none;background:var(--card);
  cursor:text;padding:4px 8px;margin:-4px -8px;font:inherit;width:100%;
}
.book-card-name.rename-input:hover{background:var(--card);color:var(--text);}

/* 卡片元信息（词数 + 日期） */
.book-card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text2);}
.book-word-count{background:var(--bg);padding:2px 10px;border-radius:10px;}
.book-card-date{color:var(--text3);}

/* 卡片操作按钮 */
.book-card-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.book-card-actions .btn-sm{text-align:center;font-size:13px;padding:7px 0;}
.book-card-actions .btn-learn{background:var(--primary);color:#fff;}
.book-card-actions .btn-learn:hover{background:var(--primary-dark);}
.book-card-actions .btn-review{background:var(--warning-bg);color:var(--warning);}
.book-card-actions .btn-review:hover{background:#F5E8C0;}
.book-card-actions .btn-danger-text{grid-column:1/-1;text-align:center;}

.word-search-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.word-search-bar input{
  flex:1;padding:8px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-size:14px;background:var(--card);outline:none;
}
.word-search-bar input:focus{border-color:var(--primary);}
.word-count-badge{font-size:13px;color:var(--text2);white-space:nowrap;}

.words-list{display:flex;flex-direction:column;gap:6px;}
.word-row{
  display:flex;flex-direction:column;gap:4px;
  padding:10px 16px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-sm);
}
.word-main{display:flex;align-items:center;gap:16px;}
.word-text{font-weight:600;font-size:15px;min-width:140px;}
.word-trans{color:var(--text2);font-size:14px;flex:1;}
.word-row .btn-danger-text{margin-left:auto;}

/* === WordBook Detail Page === */
.detail-header{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  padding:18px 20px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:16px;
}
.detail-header .btn-back{flex-shrink:0;}
.detail-name{
  font-size:20px;font-weight:700;cursor:pointer;padding:2px 6px;border-radius:4px;
  transition:background var(--transition);
}
.detail-name:hover{background:var(--primary-light);}
.detail-name-input{
  font-size:20px;font-weight:700;border:1.5px solid var(--primary);
  border-radius:4px;padding:2px 8px;outline:none;background:var(--card);
  width:280px;font-family:inherit;
}
.detail-meta{
  display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;
}
.detail-meta-item{
  font-size:13px;color:var(--text2);background:var(--bg);
  padding:4px 12px;border-radius:12px;
}

.detail-toolbar{
  display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;
}
.detail-toolbar .search-wrap{flex:1;min-width:200px;position:relative;}
.detail-toolbar .search-wrap input{
  width:100%;padding:8px 12px 8px 34px;border:1px solid var(--border);
  border-radius:8px;font-size:14px;background:var(--card);outline:none;
  transition:border-color var(--transition);
}
.detail-toolbar .search-wrap input:focus{border-color:var(--primary);}
.detail-toolbar .search-icon{
  position:absolute;left:10px;top:50%;transform:translateY(-50%);
  font-size:14px;color:var(--text3);pointer-events:none;
}
.sort-btns{display:flex;gap:4px;flex-shrink:0;}
.sort-btn{
  padding:6px 12px;border:1px solid var(--border);border-radius:6px;
  background:var(--bg);font-size:13px;cursor:pointer;transition:all var(--transition);
  white-space:nowrap;
}
.sort-btn.active{
  background:var(--primary);color:#fff;border-color:var(--primary);
}
.sort-btn:hover:not(.active){border-color:var(--primary);}

.word-row-actions{
  display:flex;gap:6px;margin-left:auto;align-items:center;
}
.word-row .btn-edit-word{
  font-size:12px;padding:3px 10px;border-radius:4px;
  border:1px solid var(--border);background:transparent;cursor:pointer;
  color:var(--text2);transition:all var(--transition);
}
.word-row .btn-edit-word:hover{border-color:var(--primary);color:var(--primary);}

/* === Inline Edit Panel === */
.edit-panel-overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(0,0,0,0.3);display:flex;align-items:center;justify-content:center;
  z-index:200;
}
.edit-panel{
  background:var(--card);border-radius:var(--radius);padding:24px;
  width:480px;max-width:90vw;box-shadow:0 8px 32px rgba(0,0,0,0.15);
}
.edit-panel h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.edit-panel .word-display{
  font-weight:700;font-size:20px;color:var(--primary);
  margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border);
}
.edit-field{margin-bottom:14px;}
.edit-field label{
  display:block;font-size:13px;color:var(--text2);margin-bottom:4px;font-weight:500;
}
.edit-field input, .edit-field textarea{
  width:100%;padding:8px 12px;border:1px solid var(--border);
  border-radius:6px;font-size:14px;outline:none;transition:border-color var(--transition);
  font-family:inherit;box-sizing:border-box;
}
.edit-field input:focus, .edit-field textarea:focus{border-color:var(--primary);}
.edit-field textarea{resize:vertical;min-height:60px;}
.edit-panel-actions{
  display:flex;gap:8px;justify-content:flex-end;margin-top:20px;
}
.edit-panel-actions button{
  padding:8px 20px;border-radius:6px;font-size:14px;cursor:pointer;border:none;
  transition:all var(--transition);
}

.result-toast{
  position:fixed;top:24px;left:50%;transform:translateX(-50%);
  padding:10px 24px;border-radius:8px;font-size:14px;z-index:300;
  animation:toast-in .3s ease;
}
.result-toast.success{background:#d4edda;color:#155724;box-shadow:0 2px 12px rgba(0,128,0,.15);}
.result-toast.error{background:#f8d7da;color:#721c24;box-shadow:0 2px 12px rgba(255,0,0,.1);}
.result-toast.info{background:#d1ecf1;color:#0c5460;box-shadow:0 2px 12px rgba(0,0,255,.08);}
@keyframes toast-in{from{opacity:0;transform:translateX(-50%) translateY(-12px);}to{opacity:1;transform:translateX(-50%) translateY(0);}}

/* === Learn Page - Book Select (Stage 1) === */
.learn-list{display:flex;flex-direction:column;gap:10px;}
.learn-card{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;background:var(--card);border:1.5px solid var(--border);
  border-radius:var(--radius);cursor:pointer;transition:all var(--transition);
  gap:16px;
}
.learn-card:hover{border-color:var(--primary);box-shadow:0 2px 8px rgba(85,136,187,0.12);}
.learn-card.disabled{opacity:0.55;cursor:default;}
.learn-card.disabled:hover{border-color:var(--border);box-shadow:none;}
.learn-card-left{flex:1;min-width:0;}
.learn-card-name{font-size:16px;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.learn-card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2);}
.learn-card-word-count{background:var(--bg);padding:2px 8px;border-radius:8px;}
.learn-card-tip{color:var(--warning);font-size:12px;}
.learn-card-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.learn-mini-progress{display:flex;align-items:center;gap:8px;}
.learn-mini-bar{width:80px;height:6px;background:var(--border);border-radius:3px;overflow:hidden;}
.learn-mini-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .4s;}
.learn-mini-text{font-size:12px;color:var(--text3);min-width:36px;text-align:right;}
.learn-card-arrow{font-size:22px;color:var(--text3);font-weight:300;}

/* === Learn Stats Panel (Stage 2) === */
.learn-stats-panel{
  max-width:520px;margin:0 auto;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
}
.learn-stats-progress{
  display:flex;align-items:center;gap:32px;margin-bottom:24px;
}
.learn-progress-ring{
  position:relative;width:120px;height:120px;flex-shrink:0;
}
.learn-progress-ring svg{width:120px;height:120px;}
.learn-progress-pct{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-size:22px;font-weight:700;color:var(--primary);
}
.learn-stats-summary{flex:1;display:flex;flex-direction:column;gap:12px;}
.learn-stat-row{display:flex;align-items:center;gap:10px;font-size:14px;}
.learn-stat-dot{
  width:10px;height:10px;border-radius:50%;flex-shrink:0;
}
.learn-stat-dot.total{background:var(--text3);}
.learn-stat-dot.learned{background:var(--primary);}
.learn-stat-dot.unlearned{background:var(--border);}
.learn-stat-label{color:var(--text2);flex:1;}
.learn-stat-val{font-weight:700;color:var(--text);font-size:18px;}

.learn-resume-hint{
  text-align:center;font-size:14px;color:var(--primary-dark);
  background:var(--primary-light);padding:10px 16px;
  border-radius:var(--radius-sm);margin-bottom:20px;
}

.learn-stats-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.learn-daily-hint{font-size:13px;color:var(--primary-dark);font-weight:600;margin-bottom:8px;text-align:center;background:var(--primary-light);padding:6px 14px;border-radius:var(--radius-sm);}
.btn-lg{padding:12px 32px;font-size:16px;border-radius:var(--radius-sm);font-weight:600;}

/* === Daily Count Selector === */
.learn-daily-section{
  margin-bottom:20px;padding:16px 20px;
  background:var(--bg);border-radius:var(--radius-sm);
  border:1px dashed var(--border);
}
.learn-daily-label{font-size:14px;font-weight:600;color:var(--text2);margin-bottom:10px;}
.learn-daily-options{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.learn-daily-pill{
  padding:6px 16px;font-size:14px;font-weight:600;
  border:1.5px solid var(--border);border-radius:20px;
  background:var(--card);color:var(--text2);
  cursor:pointer;transition:all var(--transition);
}
.learn-daily-pill:hover{border-color:var(--primary);color:var(--primary);}
.learn-daily-pill.active{
  border-color:var(--primary);background:var(--primary);
  color:#fff;
}
.learn-daily-custom{
  width:80px;padding:6px 10px;font-size:14px;text-align:center;
  border:1.5px solid var(--border);border-radius:20px;
  outline:none;color:var(--text);background:var(--card);
  transition:border-color var(--transition);
}
.learn-daily-custom:focus{border-color:var(--primary);}
.learn-daily-custom.active{border-color:var(--primary);}

/* === Daily Target Banner (Session) === */
.learn-daily-target{
  text-align:center;font-size:14px;font-weight:600;color:var(--primary-dark);
  background:var(--primary-light);padding:8px 16px;
  border-radius:var(--radius-sm);margin-bottom:12px;
  max-width:320px;margin-left:auto;margin-right:auto;
}
/* === Daily Done Hint (Result) === */
.learn-daily-done-hint{
  font-size:13px;color:var(--text2);margin-bottom:16px;
}

.learn-not-enough{text-align:center;padding:8px 0;}
.learn-not-enough p{margin-bottom:8px;font-size:14px;color:var(--text2);}
.learn-not-enough p.muted{font-size:13px;color:var(--text3);}
.learn-not-enough .btn-primary{margin-top:8px;}

/* === All Learned State === */
.learn-all-done{text-align:center;padding:16px 0;}
.learn-all-done-icon{font-size:48px;margin-bottom:8px;}
.learn-all-done-text{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:4px;}
.learn-all-done-sub{font-size:13px;color:var(--text3);margin-bottom:16px;}

/* === Learn Session (Stage 3) === */
.learn-round-info{
  text-align:center;font-size:13px;color:var(--text3);margin-bottom:8px;
}

/* === Retest Round Info === */
.retest-round-info{
  display:flex;align-items:center;justify-content:center;gap:12px;
  margin-bottom:12px;
}
.retest-round-badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 14px;font-size:13px;font-weight:700;
  background:linear-gradient(135deg,#FFF3CD,#FFE69C);
  color:#8B6914;border-radius:20px;
  border:1px solid #F0D060;
}
.retest-round-detail{
  font-size:13px;color:var(--text2);
}

/* === Result extras === */
.result-subtitle{
  font-size:14px;color:var(--text2);margin-bottom:12px;
}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}

/* === Quiz (Learn + Review) === */
.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin-bottom:8px;}
.progress-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .4s;}
.progress-text{text-align:center;font-size:13px;color:var(--text2);margin-bottom:20px;}

/* Card fade transitions */
.quiz-card{
  max-width:560px; margin:0 auto;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
  animation: quizFadeIn .35s ease-out;
}
@keyframes quizFadeIn {
  from { opacity:0; transform:translateY(12px); }
  to   { opacity:1; transform:translateY(0); }
}
.quiz-card.fade-out{
  animation: quizFadeOut .3s ease-in forwards;
}
@keyframes quizFadeOut {
  from { opacity:1; transform:translateY(0); }
  to   { opacity:0; transform:translateY(-8px); }
}
.quiz-word-text{
  font-size:28px;font-weight:700;text-align:center;margin-bottom:20px;
  padding:16px;background:var(--bg);border-radius:var(--radius-sm);
}
.quiz-word-text.cn{color:var(--primary-dark);}

/* === Word row with speak button + phonetic === */
.quiz-word-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:20px;}
.quiz-word-row .quiz-word-text{margin-bottom:0;flex:1;}
.word-phonetic{font-size:14px;color:var(--text3);font-style:italic;white-space:nowrap;}
.btn-speak{
  width:36px;height:36px;border-radius:50%;border:none;
  background:var(--primary-light);color:var(--primary);
  font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:transform .15s,background .2s;flex-shrink:0;
}
.btn-speak:hover{background:var(--primary);color:#fff;transform:scale(1.1);}
.btn-speak:active{transform:scale(0.95);}

/* === Small speak button for word list === */
.btn-speak-sm{
  width:26px;height:26px;border-radius:50%;border:none;
  background:transparent;color:var(--text3);
  font-size:13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:all .15s;vertical-align:middle;margin:0 2px;
}
.btn-speak-sm:hover{background:var(--primary-light);color:var(--primary);}
.word-phonetic-sm{font-size:12px;color:var(--text3);font-style:italic;}

/* === Example sentence in quiz === */
.quiz-example{
  display:flex;align-items:flex-start;gap:8px;
  margin-bottom:10px;padding:12px 16px;
  background:#FAF8F5;border-radius:var(--radius-sm);
  border-left:3px solid var(--primary);
  font-size:15px;line-height:1.7;color:var(--text);
}
.quiz-example-label{flex-shrink:0;font-size:14px;margin-top:1px;}
.quiz-example-text{flex:1;}
.hl-word{color:var(--primary-dark);font-weight:700;background:#FFF3CD;padding:1px 4px;border-radius:3px;}
.quiz-example-zh{
  font-size:14px;color:var(--text2);text-align:center;
  margin-bottom:20px;padding-bottom:16px;
  border-bottom:1px dashed var(--border);
  line-height:1.6;
}

/* === Bottom progress in quiz === */
.quiz-progress-bottom{
  text-align:center;font-size:12px;color:var(--text3);
  margin-top:18px;padding-top:14px;
  border-top:1px solid var(--border);
}

.quiz-options-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.quiz-opt-btn{
  display:flex;align-items:center;gap:10px;cursor:pointer;
  padding:14px 16px;background:var(--card);border:1.5px solid var(--border);
  border-radius:var(--radius-sm);font-size:15px;text-align:left;
  color:var(--text);transition:all var(--transition);
}
.quiz-opt-badge{
  flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  border-radius:6px;background:var(--bg);color:var(--text2);
  font-size:13px;font-weight:700;
  transition:all var(--transition);
}
.quiz-opt-text{flex:1;line-height:1.5;}
.quiz-opt-btn:hover{
  border-color:var(--primary);background:var(--primary-light);
  transform:translateY(-1px);box-shadow:0 2px 8px rgba(37,99,235,.12);
}
.quiz-opt-btn:hover .quiz-opt-badge{
  background:var(--primary);color:#fff;
}
.quiz-opt-btn.correct{
  border-color:var(--success);background:var(--success-bg);color:#2D5A3A;
}
.quiz-opt-btn.correct .quiz-opt-badge{
  background:var(--success);color:#fff;
}
/* 正确选项 badge 显示 ✓ */
.quiz-opt-btn.correct .quiz-opt-badge::after{
  content:' ✓';font-size:11px;
}
.quiz-opt-btn.wrong{
  border-color:var(--danger);background:var(--danger-bg);color:#8B3A32;
}
.quiz-opt-btn.wrong .quiz-opt-badge{background:var(--danger);color:#fff;}
/* 错误选项 badge 显示 ✗ */
.quiz-opt-btn.wrong .quiz-opt-badge::after{
  content:' ✗';font-size:11px;
}
/* 震动动画 */
@keyframes shake{
  0%,100%{transform:translateX(0);}
  15%{transform:translateX(-6px);}
  30%{transform:translateX(5px);}
  45%{transform:translateX(-4px);}
  60%{transform:translateX(3px);}
  75%{transform:translateX(-2px);}
  90%{transform:translateX(1px);}
}
.quiz-opt-btn.wrong-shake{
  animation:shake .45s ease;
}
/* 错误后被禁用的按钮保持红色调但更柔和 */
.quiz-opt-btn.wrong:disabled{
  border-color:#e0c0c0;background:#fef0f0;color:#a08080;opacity:.85;
}
.quiz-opt-btn.wrong:disabled .quiz-opt-badge{background:#e0c0c0;color:#fff;}
.quiz-opt-btn.wrong:disabled:hover{transform:none;box-shadow:none;border-color:#e0c0c0;}
.quiz-opt-btn.wrong:disabled:hover .quiz-opt-badge{background:#e0c0c0;}
.quiz-opt-btn:disabled{cursor:default;opacity:1;}
.quiz-opt-btn:disabled:hover{transform:none;box-shadow:none;}
.quiz-opt-btn:disabled:not(.correct):not(.wrong):hover{border-color:var(--border);background:var(--card);}
.quiz-opt-btn:disabled:not(.correct):not(.wrong):hover .quiz-opt-badge{background:var(--bg);color:var(--text2);}

.quiz-feedback{margin-top:20px;text-align:center;font-size:15px;font-weight:600;}
.feedback-ok{color:var(--success);}
.feedback-err{color:var(--danger);}
.feedback-retry{color:var(--danger);font-size:13px;font-weight:500;}

/* === Spelling === */
.spelling-card{padding:36px 32px;}
.spelling-word-text{
  font-size:32px;font-weight:700;text-align:center;margin-bottom:12px;
  padding:20px 24px;background:var(--bg);border-radius:var(--radius-sm);
  color:var(--primary-dark);line-height:1.5;word-break:break-word;
}
.spelling-hint{
  text-align:center;font-size:13px;color:var(--text3);margin-bottom:24px;
}
.spelling-area{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:8px;}
.spelling-input-wrap{
  display:flex;align-items:center;gap:10px;width:100%;max-width:440px;
}
.spell-input{
  flex:1;padding:14px 18px;font-size:18px;
  border:2px solid var(--border);border-radius:var(--radius-sm);
  outline:none;text-align:center;letter-spacing:1px;
  background:var(--card);color:var(--text);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.spell-input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(85,136,187,0.12);
}
.spell-input:disabled{background:#f8f8f8;cursor:not-allowed;}

/* 拼写正确：绿色边框 + 阴影 */
.spell-input.correct-spell{
  border-color:var(--success) !important;
  box-shadow:0 0 0 3px rgba(91,154,107,0.15) !important;
  color:var(--success);
}
/* 拼写错误：红色边框 + 阴影 */
.spell-input.wrong-spell{
  border-color:var(--danger) !important;
  box-shadow:0 0 0 3px rgba(196,101,90,0.15) !important;
  color:var(--danger);
}
.spell-submit-btn{
  flex-shrink:0;padding:14px 24px;font-size:16px;font-weight:600;
  white-space:nowrap;
}
.spell-submit-btn:disabled{opacity:.6;cursor:not-allowed;background:var(--text3);}

/* 拼写错误时显示正确答案 */
.spelling-correct-answer{
  margin-top:12px;text-align:center;font-size:15px;color:var(--text2);
  padding:12px 20px;background:var(--bg);border-radius:var(--radius-sm);
  border-left:4px solid var(--danger);
  animation:fadeIn .25s ease;
}
.spelling-answer-word{
  color:var(--primary-dark);font-size:20px;font-weight:700;
  margin-left:4px;letter-spacing:0.5px;
}

/* === Result === */
.result-card{
  text-align:center;max-width:440px;margin:0 auto;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);
  animation: quizFadeIn .4s ease-out;
}
.result-icon{font-size:56px;margin-bottom:16px;}
.result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px;}
.result-item{display:flex;flex-direction:column;align-items:center;}
.result-num{font-size:26px;font-weight:700;}
.result-num.green{color:var(--success);}
.result-num.red{color:var(--danger);}
.result-num.blue{color:var(--primary);}
.result-label{font-size:12px;color:var(--text2);margin-top:2px;}

/* === Daily Complete + Wrong Word List === */
.daily-complete-card{max-width:520px;}
.wrong-word-section{
  text-align:left;margin:20px 0 24px;
  background:var(--bg);border-radius:var(--radius-sm);padding:16px;
}
.wrong-word-title{
  font-size:13px;font-weight:600;color:var(--text2);margin-bottom:10px;
}
.wrong-word-list{
  display:flex;flex-direction:column;gap:6px;
}
.wrong-word-item{
  display:flex;align-items:center;gap:10px;
  padding:8px 12px;background:var(--card);border:1px solid var(--border);
  border-radius:6px;font-size:14px;
}
.wrong-word-en{font-weight:600;color:var(--text);min-width:100px;}
.wrong-word-zh{color:var(--text2);flex:1;}
.wrong-word-count{
  flex-shrink:0;min-width:28px;height:22px;display:flex;align-items:center;justify-content:center;
  background:var(--danger);color:#fff;border-radius:11px;
  font-size:11px;font-weight:700;padding:0 6px;
}
.learn-daily-done-hint{
  font-size:13px;color:var(--text2);margin-top:-8px;margin-bottom:16px;
}

/* === Review Page === */
.review-mode-select{margin-bottom:28px;}
.review-mode-select-secondary{margin-top:8px;padding-top:24px;border-top:1px dashed var(--border);}
.review-mode-select h3{font-size:15px;color:var(--text2);margin-bottom:12px;font-weight:500;}
.review-mastered-hint{font-size:12px;color:var(--text3);font-weight:400;margin-left:4px;}
.mode-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.mode-card{
  background:var(--card);border:2px solid var(--border);border-radius:var(--radius);
  padding:22px 16px;text-align:center;cursor:pointer;transition:all var(--transition);
  font-weight:600;font-size:15px;
}
.mode-card:hover{border-color:var(--primary);box-shadow:0 2px 8px rgba(0,0,0,0.08);}
.mode-icon{font-size:28px;margin-bottom:6px;}
.mode-desc{font-size:12px;color:var(--text3);font-weight:400;margin-top:4px;}

/* 今日复习概览卡片 */
.review-overview{
  background:var(--card);border:2px solid var(--primary-light);
  border-radius:var(--radius);padding:20px 24px;margin-bottom:24px;
}
.review-overview-header{
  display:flex;align-items:center;gap:10px;margin-bottom:10px;
}
.review-overview-icon{font-size:22px;}
.review-overview-title{font-size:16px;color:var(--text);}
.review-overview-count{font-size:24px;color:var(--primary);font-weight:700;}
.review-overview-sources{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding-top:10px;border-top:1px dashed var(--border);
}
.review-overview-sources-label{font-size:13px;color:var(--text2);}
.review-source-tag{
  display:inline-flex;align-items:center;gap:4px;
  font-size:13px;color:var(--text);background:var(--bg);
  padding:3px 10px;border-radius:var(--radius-sm);
}
.review-source-count{font-size:12px;color:var(--primary);font-weight:500;}

/* 复习页无待复习词全屏空状态 */
.review-empty-full{
  text-align:center;padding:60px 20px;max-width:400px;margin:0 auto;
}
.review-empty-full h3{font-size:18px;color:var(--text);margin:16px 0 8px;font-weight:600;}
.review-empty-full p{font-size:14px;color:var(--text2);margin-bottom:4px;}
.review-empty-full .empty-icon{font-size:56px;margin-bottom:4px;}
.review-empty-actions{margin-top:20px;}

/* 复习进度头部：标签 + 进度条 */
.review-progress-header{
  margin-bottom:20px;padding-bottom:14px;
  border-bottom:1px solid var(--border);
}
.review-progress-label{
  display:block;text-align:center;font-size:15px;font-weight:600;
  color:var(--text);margin-bottom:10px;
}
.review-progress-label strong{color:var(--primary);font-size:18px;}

.mode-badge{
  font-size:12px;background:var(--primary-light);color:var(--primary-dark);
  padding:3px 10px;border-radius:10px;font-weight:500;
}

/* === Stats Page === */
/* Date Picker */
.stats-date-row{
  display:flex;align-items:center;gap:12px;margin-bottom:22px;
  flex-wrap:wrap;
}
.stats-date-label{font-size:14px;color:var(--text2);font-weight:500;}
.stats-date-picker{
  padding:8px 14px;font-size:14px;border:1px solid var(--border);
  border-radius:var(--radius-sm);background:var(--card);color:var(--text);
  outline:none;cursor:pointer;
}
.stats-date-picker:focus{border-color:var(--primary);}
.stats-date-display{
  font-size:15px;font-weight:600;color:var(--primary-dark);
  margin-left:4px;
}

/* Module Cards Grid */
.stats-module-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
  margin-bottom:22px;
}
.module-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;align-items:center;gap:14px;
  transition:box-shadow .2s;
}
.module-card:hover{box-shadow:0 2px 8px rgba(0,0,0,0.08);}

.module-card-header{
  display:flex;align-items:center;gap:10px;width:100%;
}
.module-card-icon{font-size:24px;line-height:1;}
.module-card-name{font-size:14px;font-weight:600;color:var(--text);}
.module-card-sub{font-size:11px;color:var(--text3);}

.module-card-ring{
  position:relative;display:flex;align-items:center;justify-content:center;
}
.ring-svg{display:block;}
.ring-fill{transition:stroke-dashoffset .7s ease,stroke .4s ease;}

.module-card-acc{
  position:absolute;font-size:18px;font-weight:700;
  text-align:center;line-height:1;
}

.module-card-stats{
  font-size:13px;color:var(--text2);
}
.module-card-stats strong{color:var(--text);}

/* Daily Summary Bar */
.stats-daily-summary{margin-bottom:22px;}
.daily-summary-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.daily-summary-label{font-size:13px;color:var(--text2);}
.daily-summary-num{font-size:20px;font-weight:700;color:var(--text);}
.daily-summary-acc{font-size:18px;font-weight:700;}
.daily-summary-detail{font-size:12px;color:var(--text3);margin-left:auto;}

/* Responsive: single column on narrow screens */
@media(max-width:500px){
  .stats-module-grid{grid-template-columns:1fr;}
  .daily-summary-card{flex-direction:column;align-items:flex-start;gap:8px;}
  .daily-summary-detail{margin-left:0;}
}

/* === Section Divider === */
.stats-section-divider{
  margin:28px 0 18px;padding-bottom:10px;
  border-bottom:1px solid var(--border);
}
.stats-section-divider h3{font-size:16px;font-weight:600;color:var(--text);}

/* === Motivation Row === */
.stats-motivation-row{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  margin:20px 0;
}
.motive-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px 20px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:14px;
}
.motive-icon{font-size:28px;line-height:1;}
.motive-num{font-size:22px;font-weight:700;color:var(--primary-dark);}
.motive-label{font-size:12px;color:var(--text2);}

/* === Trend Section === */
.trend-section{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-bottom:18px;
}
.trend-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:4px;
}
.trend-header h3{font-size:15px;font-weight:600;}
.trend-toggles{display:flex;gap:4px;}
.trend-toggle{
  padding:5px 14px;font-size:12px;font-weight:500;
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--bg);color:var(--text2);cursor:pointer;
  transition:all .15s;
}
.trend-toggle.active{
  background:var(--primary);color:#fff;border-color:var(--primary);
}
.trend-toggle:hover:not(.active){border-color:var(--primary);color:var(--primary);}

.trend-chart-container{margin:8px 0 0;overflow-x:auto;}
.trend-line-svg{display:block;min-width:400px;}

.trend-line-legend{
  display:flex;gap:18px;flex-wrap:wrap;justify-content:center;
  margin-top:8px;font-size:12px;color:var(--text2);
}
.trend-legend-item{
  display:flex;align-items:center;gap:4px;
}

/* === Export Button === */
.stats-export-row{text-align:center;margin-top:12px;}
.btn-export{
  padding:10px 24px;font-size:14px;font-weight:500;
  border:1px solid var(--primary);border-radius:var(--radius-sm);
  background:var(--card);color:var(--primary);cursor:pointer;
  transition:all .15s;
}
.btn-export:hover{background:var(--primary-light);}

/* === Import Modal === */
.modal-overlay{
  position:fixed;inset:0;z-index:500;
  background:rgba(0,0,0,0.35);
  display:flex;align-items:center;justify-content:center;
  animation:fadeIn .2s ease;
}
.modal-dialog{
  background:var(--card);border-radius:var(--radius);
  width:92%;max-width:580px;max-height:90vh;
  box-shadow:0 8px 32px rgba(0,0,0,0.15);
  display:flex;flex-direction:column;
}
.modal-header{
  display:flex;flex-direction:column;gap:0;
  padding:0;border-bottom:1px solid var(--border);
}
.modal-tabs{
  display:flex;gap:0;border-bottom:1px solid var(--border);
}
.modal-tab{
  flex:1;padding:14px 0;text-align:center;font-size:14px;font-weight:500;
  cursor:pointer;color:var(--text2);border-bottom:2px solid transparent;
  transition:all var(--transition);background:transparent;
}
.modal-tab:hover{color:var(--primary);}
.modal-tab.active{
  color:var(--primary);border-bottom-color:var(--primary);
}
.modal-header-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;
}
.modal-header-row h3{font-size:16px;font-weight:600;}
.modal-close{
  background:transparent;font-size:22px;color:var(--text3);line-height:1;
  padding:2px 6px;border-radius:4px;
}
.modal-close:hover{background:var(--bg);color:var(--text);}
.modal-body{flex:1;overflow-y:auto;padding:20px 22px;}
.modal-footer{display:flex;gap:10px;justify-content:flex-end;padding:16px 22px;border-top:1px solid var(--border);}

/* File upload area */
.import-file-upload{
  border:2px dashed var(--border);border-radius:var(--radius-sm);
  padding:18px;text-align:center;cursor:pointer;
  transition:all var(--transition);margin-bottom:14px;
  position:relative;overflow:hidden;
}
.import-file-upload:hover{border-color:var(--primary);background:var(--primary-light);}
.import-file-upload input[type="file"]{
  position:absolute;inset:0;opacity:0;cursor:pointer;
}
.import-file-upload-icon{font-size:22px;margin-bottom:4px;}
.import-file-upload-text{font-size:13px;color:var(--text2);}
.import-file-upload-formats{font-size:12px;color:var(--text3);margin-top:2px;}
.import-file-upload-loaded{
  border-color:var(--success);background:var(--success-bg);
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.import-file-upload-loaded .import-file-upload-text{color:#2D5A3A;font-weight:500;}

.import-textarea{
  width:100%;min-height:140px;padding:14px 16px;
  font-size:15px;line-height:1.7;resize:vertical;
  border:1.5px solid var(--border);border-radius:var(--radius-sm);
  background:var(--card);color:var(--text);outline:none;font-family:inherit;
  box-sizing:border-box;
}
.import-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(85,136,187,0.1);}
.import-textarea::placeholder{color:var(--text3);}

.import-tab-content{display:none;padding:16px 0 0 0;}
.import-tab-content.active{display:block;}

/* === Import Progress Steps === */
.import-progress{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap;}
.import-step{
  flex:1;min-width:110px;display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:8px;background:var(--bg);
  border:1.5px solid var(--border);transition:all .3s ease;
  font-size:13px;white-space:nowrap;
}
.import-step .step-icon{font-size:16px;flex-shrink:0;}
.import-step .step-text{color:var(--text2);}
.import-step.active{background:var(--primary-light);border-color:var(--primary);}
.import-step.active .step-text{color:var(--primary);font-weight:600;}
.import-step.done{background:#e8f5e9;border-color:var(--success);}
.import-step.done .step-text{color:#2D5A3A;}
.import-step.error{background:#fce4e4;border-color:var(--danger);}
.import-step.error .step-text{color:var(--danger);}

/* === Books Sort Bar === */
.books-sort-bar{
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.books-sort-bar .sort-label{font-size:13px;color:var(--text2);flex-shrink:0;}
.books-sort-btn{
  padding:5px 12px;font-size:12px;border:1px solid var(--border);
  border-radius:14px;background:var(--bg);cursor:pointer;
  color:var(--text2);transition:all var(--transition);
}
.books-sort-btn:hover{border-color:var(--primary);}
.books-sort-btn.active{
  background:var(--primary);color:#fff;border-color:var(--primary);
}

/* === Enhanced Empty State === */
.empty-state{
  text-align:center;padding:48px 20px;
}
.empty-state svg{width:120px;height:120px;margin-bottom:20px;opacity:0.75;}
.empty-state h3{font-size:18px;color:var(--text);margin-bottom:8px;font-weight:600;}
.empty-state p{font-size:14px;color:var(--text2);margin-bottom:20px;line-height:1.6;}
.empty-state .btn-primary{padding:10px 28px;font-size:15px;}

.import-hint{
  margin-top:10px;font-size:13px;color:var(--text2);
  display:flex;flex-wrap:wrap;gap:4px;
}
.import-hint-code{
  background:var(--bg);padding:1px 8px;border-radius:4px;
  font-family:monospace;font-size:13px;color:var(--primary-dark);
}

/* Split preview */
.split-preview{
  margin-top:16px;padding:14px 16px;
  background:var(--bg);border-radius:var(--radius-sm);
  max-height:200px;overflow-y:auto;
}
.split-preview-header{
  font-size:13px;font-weight:600;color:var(--text2);margin-bottom:10px;
  display:flex;align-items:center;gap:8px;
}
.split-preview-count{font-weight:400;color:var(--text3);}
.split-preview-list{display:flex;flex-wrap:wrap;gap:6px;}
.split-preview-tag{
  font-size:13px;padding:3px 10px;border-radius:12px;
  background:var(--card);border:1px solid var(--border);
  color:var(--text);transition:all var(--transition);
}
.split-preview-tag.matched{background:var(--success-bg);border-color:var(--success);color:#2D5A3A;}
.split-preview-tag.no-match{background:var(--danger-bg);border-color:var(--danger);color:#8B3A32;}

/* Import result message */
.import-result{
  margin-top:14px;padding:12px 16px;border-radius:var(--radius-sm);
  font-size:14px;line-height:1.6;
}
.import-result.success{background:var(--success-bg);color:#2D5A3A;border:1px solid var(--success);}
.import-result.partial{background:var(--warning-bg);color:#7A6020;border:1px solid var(--warning);}
.import-result ul{margin:6px 0 0 18px;padding:0;}
.import-result li{font-size:13px;}

/* Dictionary loading & pending styles */
.dict-loading{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);
}
.dict-spinner{
  display:inline-block;width:14px;height:14px;
  border:2px solid var(--border);border-top-color:var(--primary);
  border-radius:50%;animation:spin 0.8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

.pending-tag{
  display:inline-block;font-size:11px;padding:1px 6px;border-radius:8px;
  background:var(--warning-bg);color:#7A6020;border:1px solid var(--warning);
  margin-left:4px;vertical-align:middle;
}
.matched-tag{
  display:inline-block;font-size:11px;padding:1px 6px;border-radius:8px;
  background:#e8f5e9;color:var(--success);border:1px solid var(--success);
  margin-left:4px;vertical-align:middle;
}
.unmatched-list{margin:8px 0;padding-left:20px;font-size:13px;color:var(--text2);}
.unmatched-list li{padding:3px 0;transition:color .3s;}
.btn-retry-unmatched{font-size:13px;padding:6px 16px;}
.btn-retry-unmatched.btn-success{background:var(--success);color:#fff;border-color:var(--success);}

/* Word row with example/translation */
.word-row-example{
  font-size:12px;color:var(--text3);margin-top:2px;padding-left:2px;
}

/* === Responsive === */
@media(max-width:700px){
  .topnav{padding:0 16px;}
  .nav-tab{padding:6px 12px;font-size:13px;}
  .stats-panels{grid-template-columns:1fr;}
  .result-stats{grid-template-columns:repeat(2,1fr);}
  .mode-cards{grid-template-columns:1fr;}
  .quiz-options-grid{grid-template-columns:1fr;}
  .books-grid{grid-template-columns:1fr;}
  .stats-overview-row{grid-template-columns:repeat(3,1fr);}
}

/* ============================================================
 * 云同步 UI
 * ============================================================ */

/* 同步状态指示器（导航栏右侧） */
.sync-indicator{
  display:flex; align-items:center; gap:6px;
  padding:6px 14px; border-radius:var(--radius-sm);
  border:1px solid var(--border); background:transparent;
  cursor:pointer; transition:all var(--transition);
  font-size:13px; color:var(--text2); white-space:nowrap;
}
.sync-indicator:hover{background:#F8F6F3; border-color:var(--primary-light);}
.sync-indicator .sync-icon{font-size:15px; line-height:1;}
.sync-indicator .sync-text{font-weight:500;}
.sync-indicator.sync-on{color:var(--success); border-color:var(--success-bg);}
.sync-indicator.sync-busy .sync-icon{animation:spin 1s linear infinite;}
.sync-indicator.sync-err{color:var(--danger); border-color:var(--danger-bg);}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* 同步弹窗 */
.sync-modal{width:400px;max-width:92vw;background:var(--card);border-radius:var(--radius);overflow:hidden;}
.sync-modal-header{
  display:flex; justify-content:space-between; align-items:center;
  padding:20px 24px 12px;
}
.sync-modal-header h3{font-size:18px;font-weight:600;color:var(--text);}
.modal-close{font-size:24px;color:var(--text3);background:none;border:none;cursor:pointer;line-height:1;padding:0;}
.modal-close:hover{color:var(--text);}

/* Tab 切换 */
.sync-modal-tabs{display:flex;gap:0;padding:0 24px;border-bottom:1px solid var(--border);}
.sync-tab{
  padding:10px 20px; font-size:14px; font-weight:500;
  color:var(--text2); cursor:pointer; border:none; background:transparent;
  border-bottom:2px solid transparent; transition:all var(--transition);
}
.sync-tab:hover{color:var(--text);}
.sync-tab.active{color:var(--primary); border-bottom-color:var(--primary);}

/* 表单 */
.sync-modal-body{padding:20px 24px;}
.sync-form{display:none;}
.sync-form.active{display:block;}
.sync-field{margin-bottom:14px;}
.sync-field label{display:block;font-size:13px;font-weight:500;color:var(--text2);margin-bottom:6px;}
.sync-field input{
  width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:var(--radius-sm);
  font-size:15px; color:var(--text); background:var(--card); transition:border var(--transition);
}
.sync-field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);}
.sync-error{color:var(--danger);font-size:13px;min-height:18px;margin-bottom:8px;}
.sync-btn{width:100%;padding:11px;font-size:15px;margin-top:4px;}

.sync-modal-hint{padding:12px 24px 20px;border-top:1px solid var(--border);}
.sync-modal-hint p{font-size:12px;color:var(--text3);line-height:1.6;margin-bottom:4px;}

/* 已登录账户弹窗 */
.sync-account-info{
  display:flex; align-items:center; gap:14px;
  padding:8px 24px 16px;
}
.sync-account-icon{
  width:48px;height:48px;border-radius:50%;
  background:var(--primary-light); display:flex;align-items:center;justify-content:center;
  font-size:24px;
}
.sync-account-detail{flex:1;}
.sync-account-email{font-size:15px;font-weight:600;color:var(--text);}
.sync-account-status{font-size:13px;color:var(--success);margin-top:2px;}

.sync-actions{padding:0 24px 16px;display:flex;flex-direction:column;gap:8px;}
.sync-action-btn{padding:10px 14px;font-size:14px;text-align:left;}
.sync-action-btn.danger{color:var(--danger);}

/* 配置指引 */
.sync-config-guide{padding:8px 24px 20px;}
.sync-config-guide p{font-size:14px;color:var(--text2);margin-bottom:10px;line-height:1.6;}
.sync-config-guide ol{margin:8px 0 12px 20px;}
.sync-config-guide li{font-size:13px;color:var(--text2);margin-bottom:6px;line-height:1.6;}
.sync-config-guide code{
  background:var(--primary-light); padding:2px 6px; border-radius:4px;
  font-size:12px; color:var(--primary-dark); font-family:'Consolas','Monaco',monospace;
}
.sync-config-guide a{color:var(--primary);}
.sync-config-note{font-size:12px;color:var(--text3);margin-top:8px;}

/* 移动端适配 */
@media(max-width:640px){
  .sync-indicator .sync-text{display:none;}
  .sync-indicator{padding:6px 10px;}
  .sync-indicator .sync-icon{font-size:18px;}
}