/* ===== 爱读背 · 古诗词背诵助手 样式 ===== */
:root {
  --ink: #2b2b2b;
  --ink-soft: #5a5a5a;
  --paper: #faf7f0;
  --paper-deep: #f1ead9;
  --card: #ffffff;
  --line: #e5dcc8;
  --line-soft: #efe8d8;
  --primary: #8c3b2e;      /* 朱砂红 */
  --primary-dark: #6e2c22;
  --primary-soft: #f7e8e3;
  --gold: #b8860b;
  --green: #2e7d4f;
  --green-soft: #e3f1e8;
  --amber: #b3541e;
  --amber-soft: #fbe9dc;
  --gray: #8a8a8a;
  --shadow: 0 2px 12px rgba(60, 45, 25, .08);
  --radius: 12px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  background: var(--paper);
  background-image: radial-gradient(circle at 15% 20%, rgba(184,134,11,.05) 0, transparent 40%),
                    radial-gradient(circle at 85% 70%, rgba(140,59,46,.05) 0, transparent 40%);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }

/* ===== 顶部导航 ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 240, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-family: var(--font-serif);
  font-size: 24px;
  border-radius: 12px;
  box-shadow: 0 3px 8px rgba(140,59,46,.35);
}
.brand-text h1 { font-size: 20px; font-family: var(--font-serif); letter-spacing: 2px; }
.brand-text p { font-size: 11px; color: var(--ink-soft); letter-spacing: 1px; }

.topbar-search {
  flex: 1;
  max-width: 460px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon { width: 18px; height: 18px; color: var(--gray); position: absolute; left: 12px; }
.topbar-search input {
  width: 100%;
  padding: 10px 38px 10px 38px;
  border: 1.5px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.topbar-search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(140,59,46,.12); }
.search-clear {
  position: absolute; right: 8px;
  border: none; background: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  color: var(--gray);
  cursor: pointer;
  display: none;
  align-items: center; justify-content: center;
  font-size: 12px;
}
.search-clear:hover { background: var(--paper-deep); }

.topbar-user { margin-left: auto; flex-shrink: 0; }
.user-logged-in { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #d4a017);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 600;
}
.username { font-size: 14px; font-weight: 600; }

/* ===== 按钮 ===== */
.btn {
  border: 1.5px solid transparent;
  border-radius: 20px;
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--font);
  background: var(--card);
  color: var(--ink);
  border-color: var(--line);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-soft); }
.btn-ghost:hover { color: var(--primary); background: var(--primary-soft); }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 14px; }
.btn-block { width: 100%; padding: 12px; font-size: 15px; border-radius: 24px; }
.btn-fav { background: var(--amber-soft); color: var(--amber); border-color: #eec9a8; }
.btn-fav.faved { background: var(--amber); color: #fff; border-color: var(--amber); }
.btn-master { background: var(--green-soft); color: var(--green); border-color: #bfdec9; }
.btn-master.mastered { background: var(--green); color: #fff; border-color: var(--green); }

/* ===== 布局 ===== */
.layout {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 40px;
  display: grid;
  grid-template-columns: 232px 1fr;
  gap: 24px;
  flex: 1;
}

/* ===== 侧边栏 ===== */
.sidebar { display: flex; flex-direction: column; gap: 18px; }
.side-block {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.side-title {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-soft);
  letter-spacing: 1px;
}
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  font-size: 13px;
  cursor: pointer;
  transition: all .18s;
  font-family: var(--font);
  color: var(--ink-soft);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 500;
}
.dynasty-group .chip { padding: 5px 10px; font-size: 12px; }

.side-stats { display: flex; flex-direction: column; gap: 8px; }
.stat-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-soft); }
.stat-row b { color: var(--primary); font-size: 15px; }

/* ===== 我的易错字 · 侧边栏入口 ===== */
.myerrors-entry {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  cursor: pointer;
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--ink);
  transition: all .18s;
  text-align: left;
}
.myerrors-entry:hover { border-color: var(--gold); color: var(--gold); background: #fdf6e3; }
.myerrors-entry.active {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
  font-weight: 500;
}
.myerrors-entry.active b { color: #fff; }
.myerrors-entry-main b { color: var(--gold); font-size: 15px; }
.myerrors-entry-arrow { font-size: 18px; line-height: 1; transition: transform .2s; }
.myerrors-entry.active .myerrors-entry-arrow { transform: rotate(90deg); }
.myerrors-tip { font-size: 11.5px; color: var(--gray); line-height: 1.7; margin-top: 8px; }

/* ===== 主内容区 ===== */
.main { min-width: 0; }
.main-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.main-title { display: flex; align-items: center; gap: 10px; }
.main-title h2 { font-size: 20px; font-family: var(--font-serif); letter-spacing: 1px; }
.count-badge {
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
}
.main-tools { display: flex; align-items: center; gap: 10px; }
.sort-wrap { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-soft); }
.sort-wrap select {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  font-size: 13px;
  color: var(--ink);
  outline: none;
  font-family: var(--font);
}

/* ===== 诗词卡片 ===== */
.poem-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.poem-card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  box-shadow: var(--shadow);
}
.poem-card:hover {
  transform: translateY(-3px);
  border-color: #d8c9a8;
  box-shadow: 0 6px 20px rgba(60,45,25,.12);
}
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.card-title { font-size: 17px; font-family: var(--font-serif); font-weight: 700; }
.card-badges { display: flex; gap: 5px; flex-shrink: 0; }
.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--paper-deep);
  color: var(--ink-soft);
  white-space: nowrap;
}
.badge.grade-elementary { background: #e8f2e8; color: #2e7d4f; }
.badge.grade-middle { background: #e8eef7; color: #2c5f8a; }
.badge.grade-high { background: var(--amber-soft); color: var(--amber); }
.badge.dynasty { background: var(--paper-deep); }
.badge.fav { background: var(--amber-soft); color: var(--amber); }
.badge.mastered { background: var(--green-soft); color: var(--green); }

.card-author { font-size: 13px; color: var(--ink-soft); }
.card-lines {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink);
  border-left: 3px solid var(--paper-deep);
  padding-left: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray);
  border-top: 1px dashed var(--line-soft);
  padding-top: 8px;
}
.card-errors { color: var(--amber); font-weight: 500; }
.card-errors.zero { color: var(--gray); font-weight: 400; }

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--gray);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; }

/* ===== 弹窗 ===== */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(30, 24, 16, .55);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal {
  background: var(--paper);
  border-radius: 18px;
  width: 100%;
  max-width: 720px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(30,24,16,.3);
  animation: modalIn .25s ease;
}
.modal-sm { max-width: 400px; }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(.98); }
  to { opacity: 1; transform: none; }
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 22px 26px 14px;
  border-bottom: 1px solid var(--line-soft);
}
.modal-head h2 { font-size: 24px; font-family: var(--font-serif); margin: 6px 0 4px; }
.modal-meta { font-size: 13px; color: var(--ink-soft); }
.modal-close {
  border: none;
  background: none;
  font-size: 18px;
  color: var(--gray);
  cursor: pointer;
  width: 32px; height: 32px;
  border-radius: 50%;
  transition: all .2s;
  flex-shrink: 0;
}
.modal-close:hover { background: var(--paper-deep); color: var(--ink); }
.modal-body { padding: 22px 26px; overflow-y: auto; }

/* 未登录提示条 */
.modal-login-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--primary-soft);
  border: 1px dashed var(--primary);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--ink);
  line-height: 1.6;
}
.modal-login-hint .hint-btn {
  flex-shrink: 0;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: #fff;
  border-radius: 10px;
  padding: 5px 14px;
  font-size: 12.5px;
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s;
}
.modal-login-hint .hint-btn:hover { background: var(--primary); color: #fff; }
/* 未登录时标记/收藏按钮置灰 */
.tag-btn:disabled { opacity: .45; cursor: not-allowed; }
.tag-btn:disabled:hover { border-color: var(--line); color: inherit; }
.btn.locked { opacity: .55; cursor: not-allowed; }
.btn.locked:hover { transform: none; box-shadow: none; }

/* ===== 诗词内容展示 ===== */
.poem-content {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 2.1;
  text-align: center;
  padding: 14px 0 20px;
}
.poem-line { display: block; padding: 2px 0; }
.poem-line .half { display: inline-block; }
.poem-line .sep { color: var(--gray); margin: 0 6px; font-size: 15px; }
/* 古文排版：整段左对齐、首行缩进 */
.poem-line.guwen-line {
  text-align: justify;
  text-indent: 2em;
  padding: 3px 0;
  font-size: 18px;
}
.poem-content.guwen-only { text-align: justify; }

/* 生僻易读错字注音（ruby 拼音标注） */
.poem-content rt,
#modalTitle rt {
  font-size: 10px;
  color: var(--gray);
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: .5px;
  transform: translateY(-1px);
  user-select: none;
}
#modalTitle rt { font-size: 12px; }
.hl rt { font-weight: 400; }

/* 易错字高亮 */
.hl {
  color: var(--primary);
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
  border-radius: 2px;
  padding: 0 1px;
  cursor: pointer;
  position: relative;
  transition: all .15s;
  user-select: none;
}
.hl:hover { background: var(--primary-soft); }
.hl.mastered {
  color: var(--green);
  border-bottom-color: var(--green);
  background: var(--green-soft);
  text-decoration: line-through;
  text-decoration-color: rgba(46,125,79,.4);
}
.hl.struggling {
  color: var(--amber);
  border-bottom-color: var(--amber);
  background: var(--amber-soft);
}

/* 正文任意汉字：可点击收藏为"我的易错字" */
.char {
  cursor: pointer;
  border-radius: 3px;
  padding: 0 1px;
  transition: all .15s;
  position: relative;
  user-select: none;
}
.char:hover { background: #fdf6e3; color: var(--gold); }
/* 已收藏为"我的易错字"的普通字：金色底 */
.char.mine {
  background: linear-gradient(180deg, transparent 62%, #f3d98b 62%, #f3d98b 92%, transparent 92%);
  color: var(--gold);
  font-weight: 700;
}
/* 预置易错字被同时收藏（兼容，不冲突） */
.hl.mine {
  background: linear-gradient(180deg, transparent 62%, #f3d98b 62%, #f3d98b 92%, transparent 92%);
  color: var(--primary);
  font-weight: 700;
}
.char-demo {
  color: var(--gold);
  font-weight: 700;
  border-bottom: 2px solid var(--gold);
  padding: 0 2px;
}

/* ===== 我的易错字 · 集合视图 ===== */
.myerrors-view { display: flex; flex-direction: column; gap: 14px; }
.myerrors-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.myerrors-head h2 { font-size: 20px; font-family: var(--font-serif); letter-spacing: 1px; }
.myerrors-count {
  background: var(--paper-deep);
  color: var(--gold);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
}
.myerrors-head .btn { margin-left: auto; }
.myerr-actions { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
.myerr-actions .btn { margin-left: 0; }
.myerr-group {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
}
.myerr-group-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
  cursor: pointer;
  transition: color .15s;
}
.myerr-group-head:hover .myerr-poem-title { color: var(--primary); }
.myerr-poem-title { font-size: 16px; font-family: var(--font-serif); font-weight: 700; }
.myerr-group-head:hover .myerr-poem-title { text-decoration: underline; }
.myerr-poem-meta { font-size: 12px; color: var(--gray); }
.myerr-chars { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.myerr-char {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid #eed9a8;
  background: #fdf6e3;
  border-radius: 10px;
  font-size: 13px;
  color: var(--ink);
}
.myerr-char-main {
  font-size: 22px;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--gold);
  min-width: 26px;
  text-align: center;
  border-right: 1px dashed #e5cf9a;
  padding-right: 8px;
}
.myerr-char-ctx {
  font-family: var(--font-serif);
  font-size: 13.5px;
  color: var(--ink-soft);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.myerr-char-del {
  border: none;
  background: none;
  color: var(--gray);
  cursor: pointer;
  font-size: 13px;
  width: 20px; height: 20px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: all .15s;
  line-height: 1;
}
.myerr-char-del:hover { background: var(--primary-soft); color: var(--primary); }
.myerrors-empty {
  text-align: center;
  padding: 70px 20px;
  color: var(--gray);
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}
.myerrors-empty .empty-icon { font-size: 44px; margin-bottom: 10px; }
.myerrors-empty p { font-size: 14px; line-height: 1.8; }
.myerrors-empty .btn { margin-top: 16px; }

/* ===== 练习模式 ===== */
.practice-card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 20px;
  text-align: center;
}
.practice-quote {
  font-size: 26px;
  font-family: var(--font-serif);
  letter-spacing: 4px;
  line-height: 1.9;
  word-break: break-all;
}
.practice-tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font);
  color: var(--gray);
  background: var(--paper-deep);
  padding: 2px 8px;
  border-radius: 8px;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0;
}
.practice-source { margin-top: 12px; font-size: 13px; color: var(--gray); }
.practice-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.practice-option {
  font-size: 20px;
  font-family: var(--font-serif);
  padding: 13px 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.practice-option:hover:not(:disabled) { border-color: var(--gold); color: var(--gold); background: #fdf6e3; }
.practice-option.correct { background: var(--green-soft); border-color: var(--green); color: var(--green); }
.practice-option.wrong { background: var(--amber-soft); border-color: var(--amber); color: var(--amber); }
.practice-option:disabled { cursor: default; }
.practice-feedback {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  font-weight: 600;
}
.practice-feedback.ok { background: var(--green-soft); color: var(--green); }
.practice-feedback.no { background: var(--amber-soft); color: var(--amber); }
.practice-next { margin-top: 14px; text-align: center; }
.practice-next .btn { min-width: 140px; }

/* ===== 练习成绩 ===== */
.practice-result {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  padding: 30px 20px;
}
.result-score { font-size: 44px; font-weight: 700; color: var(--primary); font-family: var(--font-serif); }
.result-rate { margin-top: 8px; font-size: 16px; color: var(--ink-soft); }
.result-msg { margin-top: 12px; font-size: 15px; }
.practice-wrong-title { margin-top: 20px; font-size: 15px; font-weight: 700; }
.practice-wrong-list { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.practice-wrong-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 10px 14px;
}
.practice-wrong-ch { font-size: 20px; font-family: var(--font-serif); color: var(--primary); font-weight: 700; min-width: 30px; text-align: center; }
.practice-wrong-ctx { font-size: 13px; color: var(--gray); line-height: 1.6; }
.practice-result-actions { margin-top: 24px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ===== 易错字面板 ===== */
.error-panel {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-top: 6px;
}
.error-panel-title { font-size: 15px; margin-bottom: 6px; color: var(--ink); }
.error-panel-hint { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 12px; line-height: 1.8; }
.hl-demo { color: var(--primary); font-weight: 700; border-bottom: 2px solid var(--primary); }
.tag-demo {
  font-size: 11px; padding: 1px 7px; border-radius: 8px; margin: 0 2px;
}
.tag-demo.mastered { background: var(--green-soft); color: var(--green); }
.tag-demo.struggling { background: var(--amber-soft); color: var(--amber); }

.error-list { display: flex; flex-direction: column; gap: 8px; }
.error-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--paper);
  flex-wrap: wrap;
}
.error-char {
  font-size: 20px;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--primary);
  min-width: 30px;
  text-align: center;
}
.error-tip { flex: 1; min-width: 160px; font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; }
.error-tag-group { display: flex; gap: 5px; }
.tag-btn {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  cursor: pointer;
  transition: all .15s;
  font-family: var(--font);
  color: var(--ink-soft);
}
.tag-btn:hover { border-color: var(--primary); color: var(--primary); }
.tag-btn.on-mastered { background: var(--green); border-color: var(--green); color: #fff; }
.tag-btn.on-struggling { background: var(--amber); border-color: var(--amber); color: #fff; }

.no-error-panel { text-align: center; padding: 20px; color: var(--ink-soft); font-size: 14px; }

/* ===== 弹窗底部 ===== */
.modal-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px 20px;
  border-top: 1px solid var(--line-soft);
  flex-wrap: wrap;
}
.master-hint { font-size: 13px; color: var(--green); font-weight: 600; }

/* ===== 登录弹窗 ===== */
.login-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  background: var(--paper-2);
  border-radius: 12px;
  padding: 4px;
}
.login-tab {
  flex: 1;
  padding: 9px 0;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s;
}
.login-tab.active {
  background: var(--card);
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.login-tip { font-size: 13px; color: var(--ink-soft); line-height: 1.8; margin-bottom: 14px; }
.input-lg {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  font-size: 15px;
  outline: none;
  margin-bottom: 10px;
  font-family: var(--font);
  background: var(--card);
}
.input-lg:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(140,59,46,.12); }
.login-error { color: var(--primary); font-size: 13px; margin-bottom: 8px; }
/* 手机号 + 验证码行 */
.sms-row { display: flex; gap: 10px; margin-bottom: 12px; }
.sms-row .input-lg { flex: 1; min-width: 0; margin-bottom: 0; }
.btn-sms {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
  background: var(--paper-2);
  border: 1.5px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  transition: all .15s;
}
.btn-sms:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.btn-sms:disabled { opacity: .55; cursor: not-allowed; }
#loginModal .input-lg { margin-bottom: 12px; }
.login-error { color: var(--primary); font-size: 13px; margin-bottom: 8px; }

/* ===== 页脚 ===== */
.footer {
  text-align: center;
  padding: 20px;
  color: var(--gray);
  font-size: 12px;
  border-top: 1px solid var(--line-soft);
}

/* ===== Toast 提示 ===== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: #fff;
  padding: 10px 22px;
  border-radius: 24px;
  font-size: 14px;
  opacity: 0;
  transition: all .3s;
  z-index: 300;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; padding: 16px; }
  .sidebar { flex-direction: row; flex-wrap: wrap; }
  .side-block { flex: 1; min-width: 150px; }
  .topbar-inner { flex-wrap: wrap; gap: 10px; }
  .topbar-search { order: 3; max-width: 100%; flex-basis: 100%; }
  .poem-list { grid-template-columns: 1fr; }
}