/* =========================================================
   英语学习页 —— 清新治愈风（浅鼠尾草绿 + 奶油白 + 柔和米黄）
   依赖 style.css 提供基础布局与主题变量（--accent 等）
   ========================================================= */

/* ===== 面板（与其它页共用样式） ===== */
.panel {
  background: var(--panel);
  border-radius: 20px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.panel-head h3 { margin: 0; font-size: 15.5px; font-weight: 800; }

.panel-tag {
  font-size: 12.5px;
  color: var(--text-muted);
  background: var(--panel-2);
  padding: 5px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.muted-note { margin: 0 0 14px; font-size: 12.5px; color: var(--text-muted); line-height: 1.6; }
.muted-note strong, .notice strong { color: var(--accent-deep); }

/* ===== 提示条 ===== */
.notice {
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 12.8px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.notice.strong {
  background: #f6efdd;
  border-left-color: #c8a878;
}

[data-theme="dark"] .notice.strong { background: #2c2a1f; }

/* ===== 备考模式切换 ===== */
.mode-switch {
  display: inline-flex;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  box-shadow: var(--shadow);
}

.mode-switch button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 7px 14px;
  border-radius: 9px;
  font-size: 12.5px;
  font-weight: 700;
  transition: background .18s ease, color .18s ease;
}

.mode-switch button.active { background: var(--accent); color: #fff; }

/* ===== 子导航 ===== */
.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0 20px;
}

.subnav button {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-muted);
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.subnav button:hover { color: var(--text); }

.subnav button.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}

/* ===== 每日计划 ===== */
.plan-list { display: flex; flex-direction: column; gap: 8px; }

.plan-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 13px;
  background: var(--panel-2);
}

.plan-item.done { background: var(--accent-soft); }

.plan-check {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--border);
  background: transparent;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 12px;
  color: #fff;
  transition: background .18s ease, border-color .18s ease;
}

.plan-check.done { background: var(--accent); border-color: var(--accent); }

.plan-label { flex: 1; font-size: 14px; }
.plan-item.done .plan-label { color: var(--text-muted); text-decoration: line-through; }

.plan-min {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.plan-min input {
  width: 46px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 8px;
  padding: 4px 6px;
  font-family: inherit;
  font-size: 12.5px;
  text-align: center;
  outline: none;
}

.plan-min input:focus { border-color: var(--accent); }

.plan-progress { display: flex; align-items: center; gap: 12px; margin-top: 16px; }

.pp-bar { flex: 1; height: 8px; border-radius: 99px; background: var(--panel-2); overflow: hidden; }
.pp-bar > i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--accent), #a9c48d); transition: width .35s ease; }

.pp-text { font-size: 12.5px; color: var(--text-muted); white-space: nowrap; }

/* ===== 表单 ===== */
.grid-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field > span { font-size: 12.5px; color: var(--text-muted); font-weight: 600; }

.field input, .field select, .field textarea {
  border: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: 12px;
  padding: 11px 13px;
  font-size: 13.5px;
  color: var(--text);
  font-family: inherit;
  outline: none;
  width: 100%;
}

.field textarea { resize: vertical; min-height: 88px; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }

.form-actions { display: flex; gap: 10px; }

.btn-primary {
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  padding: 11px 26px;
  font-size: 13.5px;
  font-weight: 700;
  transition: filter .18s ease;
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-ghost {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: 12px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
}

.btn-ghost:hover { background: var(--panel-2); color: var(--text); }

/* ===== 过滤标签 ===== */
.filter-tabs { display: inline-flex; flex-wrap: wrap; gap: 4px; background: var(--panel-2); border-radius: 11px; padding: 4px; margin: 4px 0 14px; }

.filter-tabs button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  transition: background .18s ease, color .18s ease;
}

.filter-tabs button.active { background: var(--panel); color: var(--accent); box-shadow: var(--shadow); }

/* ===== 词汇列表 ===== */
.vocab-list, .review-list, .mistake-list { list-style: none; margin: 0; padding: 0; }

.vocab-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
}

.vocab-item:last-child { border-bottom: none; }

.vi-main { flex: 1; min-width: 0; }
.vi-term { font-size: 14.5px; font-weight: 700; }
.vi-ph { font-size: 12.5px; color: var(--text-muted); margin-left: 6px; font-weight: 400; }
.vi-meaning { font-size: 12.8px; color: var(--text); margin-top: 2px; }
.vi-ex { font-size: 12px; color: var(--text-muted); margin-top: 2px; font-style: italic; }

.vi-tags { display: flex; gap: 6px; align-items: center; }

.chip-level {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.mastery { display: inline-flex; gap: 3px; }

.mastery button {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-muted);
  font-size: 11px;
  padding: 3px 7px;
  border-radius: 7px;
}

.mastery button.on-0 { background: #f0d9d4; color: #8a4b3f; border-color: transparent; }
.mastery button.on-1 { background: #f3ecd6; color: #7a6a3a; border-color: transparent; }
.mastery button.on-2 { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

.icon-del {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 15px;
  padding: 4px 6px;
  border-radius: 8px;
}

.icon-del:hover { background: var(--panel-2); color: #c06a55; }

/* ===== 复习清单 ===== */
.review-list li, .mistake-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}

.review-list li:last-child, .mistake-list li:last-child { border-bottom: none; }

.rv-main { flex: 1; min-width: 0; }
.rv-due { font-size: 11.5px; color: var(--text-muted); }

.mini-btn {
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
}

.mini-btn:hover { background: var(--accent); color: #fff; }

/* ===== 练习卡片 ===== */
.practice-list { display: flex; flex-direction: column; gap: 14px; }

.pcard {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  background: var(--panel-2);
}

.pcard-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }

.ptag {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.ptag.alt { background: #e7e0cd; color: #7a6a3a; }

.ptext { font-size: 13.5px; line-height: 1.75; white-space: pre-wrap; color: var(--text); }

.pq { font-size: 13px; color: var(--text-muted); margin-top: 8px; }

.answer-box {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--accent-soft);
  font-size: 13px;
  line-height: 1.7;
}

.answer-box .ab-label { font-size: 12px; color: var(--accent); font-weight: 700; margin-bottom: 4px; }

.pcard-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

/* ===== 翻译 ===== */
.trans-zh { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.trans-theme { font-size: 11.5px; color: var(--text-muted); margin-bottom: 8px; }

/* ===== 写作 ===== */
.w-outline, .w-patterns { font-size: 13px; line-height: 1.8; margin: 6px 0 10px; padding-left: 20px; }
.w-check { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.w-check label { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-muted); background: var(--panel); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; cursor: pointer; }
.w-check input { accent-color: var(--accent); }

/* ===== 错题本 ===== */
.m-item-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.m-meta { font-size: 12px; color: var(--text-muted); }
.m-detail { font-size: 12.5px; color: var(--text-muted); margin-top: 3px; line-height: 1.6; }

.empty-item { color: var(--text-muted); font-size: 13px; text-align: center; padding: 20px 0; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .grid-form { grid-template-columns: 1fr; }
  .mode-switch { display: none; }
}

@media (max-width: 560px) {
  .vocab-item { flex-wrap: wrap; }
  .vi-tags { width: 100%; justify-content: flex-start; }
}

/* ============ 四六级听力精听室 ============ */
.listen-room { border: 1px solid var(--accent-soft); box-shadow: var(--shadow-lg); }

.lr-filters { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.lr-filters label { font-size: 12.5px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }

.lr-filters select, .lr-rate select, .lr-picker select {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  padding: 7px 10px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
}
.lr-filters select:focus, .lr-picker select:focus { border-color: var(--accent); }

.lr-picker { margin-bottom: 4px; }
.lr-picker select { width: 100%; max-width: 620px; }

.lr-src-note { font-size: 12px; color: var(--text-muted); margin: 8px 0 14px; }

.lr-badge { font-size: 11px; padding: 2px 9px; border-radius: 999px; font-weight: 700; }
.lr-badge.official { background: var(--accent-soft); color: var(--accent); }
.lr-badge.original { background: #e7e0cd; color: #7a6a3a; }
[data-theme="dark"] .lr-badge.original { background: #2c2a1f; color: #d8c99a; }

.lr-steps { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0 0 16px; padding: 0; }
.lr-steps li { font-size: 12.5px; color: var(--text-muted); background: var(--panel-2); padding: 6px 12px; border-radius: 999px; font-weight: 600; }
.lr-steps li.active { background: var(--accent); color: #fff; }
.lr-steps li.done { background: var(--accent-soft); color: var(--accent); }

.lr-player { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 12px; }

.lr-btn { border: none; background: var(--accent); color: #fff; border-radius: 11px; padding: 9px 16px; font-size: 13.5px; font-weight: 700; transition: filter .18s ease; }
.lr-btn:hover { filter: brightness(1.08); }
.lr-btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }
.lr-btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }

.lr-rate { font-size: 12.5px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }
.lr-time { font-size: 12.5px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.lr-load-btn { font-size: 12.5px; color: var(--accent); border: 1px solid var(--accent); border-radius: 10px; padding: 8px 12px; cursor: pointer; }
.lr-load-btn:hover { background: var(--accent-soft); }
.lr-filename { font-size: 12px; color: var(--text-muted); max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

#lrAudio { width: 100%; margin: 4px 0 12px; }

.lr-noaudio { background: #f6efdd; border: 1px solid var(--border); border-left: 4px solid #c8a878; border-radius: 12px; padding: 10px 14px; font-size: 12.5px; color: var(--text); line-height: 1.7; margin: 10px 0; }
[data-theme="dark"] .lr-noaudio { background: #2c2a1f; }

.lr-hint { margin: 6px 0 12px; font-size: 13px; color: var(--accent-deep); font-weight: 600; line-height: 1.6; }

.lr-dictation { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; background: var(--panel-2); border-radius: 12px; padding: 10px 14px; font-size: 13px; margin-bottom: 12px; }
.lr-dictation strong { font-size: 16px; font-variant-numeric: tabular-nums; }

.lr-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }

.lr-transcript { margin-top: 6px; border-top: 1px dashed var(--border); padding-top: 14px; }
.lr-tr-head { font-size: 13px; font-weight: 800; margin-bottom: 8px; }
.lr-sentences { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.lr-sentences li { padding: 10px 12px; border-radius: 12px; background: var(--panel-2); font-size: 13.5px; line-height: 1.6; }
.lr-sentences li .en { font-weight: 600; }
.lr-sentences li .zh { color: var(--text-muted); font-size: 12.5px; margin-top: 3px; }

.lr-review { margin-top: 16px; border-top: 1px dashed var(--border); padding-top: 14px; }
.lr-check .lr-done { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; }
.lr-check input { accent-color: var(--accent); }

.lr-logs { margin-top: 18px; border-top: 1px dashed var(--border); padding-top: 14px; }
.lr-log-list, .lr-review-list { list-style: none; margin: 0; padding: 0; }
.lr-log-list li, .lr-review-list li { display: flex; align-items: center; gap: 10px; padding: 10px 4px; border-bottom: 1px solid var(--border); font-size: 13px; }
.lr-log-list li:last-child, .lr-review-list li:last-child { border-bottom: none; }
.lr-log-main { flex: 1; min-width: 0; }
.lr-log-title { font-weight: 600; }
.lr-log-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* 循环 / 单句控制 */
.lr-loop { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 12.5px; color: var(--text-muted); }
.lr-loop-toggle { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.lr-loop-toggle input { accent-color: var(--accent); }
.lr-loop-sep { width: 1px; height: 16px; background: var(--border); }
.lr-ab { font-variant-numeric: tabular-nums; }
.lr-sent-actions { display: flex; gap: 6px; margin-top: 8px; }
.lr-sent-note { background: var(--accent-soft) !important; color: var(--accent-deep); font-size: 12px; line-height: 1.6; }

/* 字幕导入 */
.lr-subs { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 12.5px; color: var(--text-muted); }
.lr-substate { font-size: 12px; color: var(--text-muted); }
.lr-sentences li.active { background: var(--accent-soft) !important; box-shadow: inset 3px 0 0 var(--accent); }

/* 题目（按题号） */
.lr-questions { margin-top: 16px; border-top: 1px dashed var(--border); padding-top: 14px; }
.lr-q-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.lr-q-list li { padding: 10px 12px; border-radius: 12px; background: var(--panel-2); font-size: 13.5px; line-height: 1.6; }

/* 粘贴 / 编辑原文 */
.lr-paste { margin: 0 0 12px; }
.lr-paste summary { cursor: pointer; color: var(--accent); font-weight: 600; font-size: 12.5px; }
.lr-paste textarea { width: 100%; min-height: 110px; margin-top: 10px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); border-radius: 12px; padding: 11px 13px; font-family: inherit; font-size: 13px; line-height: 1.6; outline: none; resize: vertical; box-sizing: border-box; }
.lr-paste textarea:focus { border-color: var(--accent); }
.lr-paste-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 10px; }
.lr-paste-note { font-size: 12px; color: var(--text-muted); }

/* 导出为题库条目 */
.lr-export-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 10px 0; }
.lr-export-list { list-style: none; margin: 0; padding: 0; }
.lr-export-list li { display: flex; align-items: center; gap: 10px; padding: 10px 4px; border-bottom: 1px solid var(--border); font-size: 13px; }
.lr-export-list li:last-child { border-bottom: none; }

@media (max-width: 560px) {
  .lr-export-form { grid-template-columns: 1fr; }
}