/* ============ 高中学习平台 H5 · 样式 V1.1 大改版 ============ */
:root {
  /* 默认深海蓝（由 role-theme.js 覆写） */
  --c-primary: #2E6FB5;
  --c-primary-d: #225089;
  --c-accent: #7FD1D6;
  --c-bg: #EAF2FB;
  --c-card: #FFFFFF;
  --c-text: #1B2A3A;
  --c-sub: #6B8299;
  --c-status: #2E6FB5;
  --c-warn: #F0993D;
  --c-err: #E74C3C;
  --c-ok: #3E9B5A;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 2px 10px rgba(0,0,0,.08);
  --shadow-sm: 0 1px 4px rgba(0,0,0,.06);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--c-bg); color: var(--c-text); }
body { max-width: 480px; margin: 0 auto; min-height: 100vh; position: relative; }
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; border: none; }
input, textarea, select { font-family: inherit; font-size: 15px; padding: 10px 12px; border: 1px solid #ddd; border-radius: 10px; width: 100%; outline: none; }
input:focus, textarea:focus { border-color: var(--c-primary); }

/* ============ 登录页 ============ */
.login-view { min-height: 100vh; display: flex; flex-direction: column; padding: 24px 18px 18px; }

/* 品牌区：logo + 标题 */
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.brand-logo { width: 78px; height: auto; filter: drop-shadow(0 2px 6px rgba(0,0,0,.08)); }
.brand-titles { flex: 1; }
.brand-title { font-size: 22px; font-weight: 800; margin: 0; color: var(--c-text); letter-spacing: .5px; }
.brand-sub { color: var(--c-sub); font-size: 13px; margin: 4px 0 0; }

/* 田字型 2x2 身份选择 */
.role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.role-cell {
  background: var(--c-card); border-radius: 18px;
  box-shadow: var(--shadow); padding: 16px 12px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  border: 2px solid transparent; transition: all .2s ease;
  text-align: center;
}
.role-cell:active { transform: scale(.97); }
.role-cell .role-ic { font-size: 32px; line-height: 1; }
.role-cell .role-tt { font-size: 15px; font-weight: 700; }
.role-cell .role-ds { font-size: 11px; color: var(--c-sub); line-height: 1.4; min-height: 28px; }

/* 选中态：按角色用不同主色 */
.role-cell.active.role-student { border-color: var(--c-primary); background: linear-gradient(135deg, #fff 70%, rgba(46,111,181,.12)); }
.role-cell.active.role-parent  { border-color: var(--c-ok);      background: linear-gradient(135deg, #fff 70%, rgba(62,155,90,.12)); }
.role-cell.active.role-guest   { border-color: #B8A0D9;           background: linear-gradient(135deg, #fff 70%, rgba(184,160,217,.12)); }
.role-cell.active.role-admin   { border-color: #4A4F55;           background: linear-gradient(135deg, #fff 70%, rgba(74,79,85,.10)); }

/* 角色身份色徽（点缀） */
.role-cell.role-student .role-ic::after,
.role-cell.role-parent  .role-ic::after,
.role-cell.role-guest   .role-ic::after,
.role-cell.role-admin   .role-ic::after { content: ""; }

/* 各身份表单容器 */
.role-forms { margin-top: 4px; }
.role-form { display: flex; flex-direction: column; gap: 10px; }

.btn-primary { background: var(--c-primary); color: #fff; padding: 12px; border-radius: 12px; font-size: 16px; font-weight: 600; }
.btn-primary:active { background: var(--c-primary-d); }
.btn-ghost { background: var(--c-bg); color: var(--c-primary); padding: 11px; border-radius: 12px; font-weight: 600; }
.hint { font-size: 12px; color: var(--c-sub); margin: 2px 0; }
.hint.small { font-size: 11px; text-align: left; }
.err { color: var(--c-err); font-size: 13px; min-height: 16px; margin: 0; }
.footer-note { color: var(--c-sub); font-size: 11px; margin-top: 18px; text-align: center; }

/* ============ 顶栏 ============ */
.app-view { min-height: 100vh; padding-bottom: 64px; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--c-primary); color: #fff; }
.top-nav {
  background: rgba(255,255,255,.18); color: #fff; width: 32px; height: 32px;
  border-radius: 9px; font-size: 16px; line-height: 1;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.top-nav-back { margin-left: auto; }
.top-role { font-weight: 700; font-size: 14px; }
.top-theme { background: rgba(255,255,255,.22); padding: 2px 8px; border-radius: 10px; font-size: 12px; }

/* ============ 学生主页：紧凑功能宫格（V1.1 大改） ============
 * 用户反馈：原 2 列大卡片占位太大、挡住正文。新版：
 * - 顶部信息条（连续天数 + 今日待办）
 * - 紧凑 2 列宫格：图标缩小、字号精简
 * - 进入功能页不再有大图标头部
 */
.home-hero {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d));
  color: #fff; border-radius: var(--radius); padding: 14px 16px; margin: 14px 14px 0;
  display: flex; align-items: center; gap: 14px;
}
.home-hero .hero-logo { width: 52px; height: auto; }
.home-hero .hero-text { flex: 1; }
.home-hero .hero-text h2 { margin: 0; font-size: 16px; }
.home-hero .hero-text p { margin: 4px 0 0; font-size: 12px; opacity: .9; }

.home-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 12px 14px 0; }
.home-stat {
  background: var(--c-card); border-radius: var(--radius-sm); padding: 10px 8px;
  text-align: center; box-shadow: var(--shadow-sm);
}
.home-stat .v { font-size: 20px; font-weight: 800; color: var(--c-primary); }
.home-stat .l { font-size: 11px; color: var(--c-sub); margin-top: 2px; }
.home-stat.warn .v { color: var(--c-warn); }
.home-stat.ok .v { color: var(--c-ok); }

/* 紧凑 2 列功能宫格 */
.func-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px; }
.func-card {
  background: var(--c-card); border-radius: var(--radius); padding: 14px 12px;
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: 10px; text-align: left;
  transition: transform .15s;
}
.func-card:active { transform: scale(.97); }
.func-card .f-ic {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(46,111,181,.12); font-size: 20px; line-height: 1;
}
.func-card .f-tt { font-weight: 700; font-size: 14px; line-height: 1.2; }
.func-card .f-ds { font-size: 11px; color: var(--c-sub); margin-top: 2px; }
.func-card .f-txt { flex: 1; min-width: 0; }
.func-card.has-sub::after { content: "▸"; color: var(--c-sub); font-size: 14px; margin-left: 4px; }

/* ============ 内容区基础 ============ */
.page-content { padding: 0 14px 14px; }
.page-content.no-pad { padding: 0; }

.page-header { padding: 14px 14px 8px; }
.page-header h2 { margin: 0; font-size: 18px; font-weight: 800; }
.page-header .sub { color: var(--c-sub); font-size: 12px; margin-top: 4px; }

.panel { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 14px; margin-bottom: 12px; }
.panel h3 { margin: 0 0 10px; font-size: 15px; }
.panel.flat { box-shadow: none; border: 1px solid #eee; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tag { display: inline-block; padding: 4px 10px; border-radius: 12px; background: var(--c-bg); color: var(--c-sub); font-size: 12px; margin: 3px; border: 1px solid transparent; }
.tag.sel { background: var(--c-primary); color: #fff; }
.item { border: 1px solid #eee; border-radius: var(--radius-sm); padding: 10px; margin-bottom: 8px; }
.item .meta { font-size: 11px; color: var(--c-sub); margin-top: 4px; }
.big-btn { width: 100%; padding: 14px; border-radius: 12px; background: var(--c-primary); color: #fff; font-size: 16px; font-weight: 700; margin: 8px 0; }
.big-btn:active { background: var(--c-primary-d); }
.big-btn.ok { background: var(--c-ok); }
.big-btn.warn { background: var(--c-warn); }
.big-btn.ghost { background: var(--c-bg); color: var(--c-primary); }

/* 状态色块（管理端 §3.6） */
.status-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.s-待加工 { background: #9aa0a6; }
.s-已加工 { background: var(--c-primary); }
.s-待审核 { background: var(--c-warn); }
.s-已发布 { background: var(--c-ok); }
.s-失败 { background: var(--c-err); }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 10px; color: #fff; background: var(--c-status); }
.badge.warn { background: var(--c-warn); }
.badge.err { background: var(--c-err); }
.badge.ok { background: var(--c-ok); }
.badge.sub { background: var(--c-sub); }

/* ============ 错题本 V1.1 大改 ============ */
.wrong-tabs { display: flex; gap: 6px; overflow-x: auto; padding: 8px 14px; background: var(--c-card); position: sticky; top: 44px; z-index: 9; border-bottom: 1px solid #f0f0f0; }
.wrong-tab { white-space: nowrap; padding: 6px 12px; border-radius: 16px; background: var(--c-bg); color: var(--c-sub); font-size: 13px; font-weight: 600; }
.wrong-tab.active { background: var(--c-primary); color: #fff; }
.wrong-tab.has-due { border: 2px solid var(--c-warn); }

/* 错题权重可视化条 */
.weight-bar { display: inline-block; width: 60px; height: 6px; background: #eee; border-radius: 3px; overflow: hidden; vertical-align: middle; margin-right: 6px; }
.weight-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--c-accent), var(--c-warn), var(--c-err)); transition: width .3s; }

/* AI 分析报告弹窗 */
.analysis-report { font-size: 14px; line-height: 1.7; }
.analysis-report .ar-h { font-weight: 700; color: var(--c-primary-d); margin: 10px 0 4px; }
.analysis-report .ar-h:first-child { margin-top: 0; }
.analysis-report ul { margin: 4px 0; padding-left: 20px; }
.analysis-report li { margin: 2px 0; }
.analysis-report .ar-tag { display: inline-block; padding: 2px 8px; background: rgba(46,111,181,.12); color: var(--c-primary-d); border-radius: 8px; font-size: 12px; margin: 2px 4px 2px 0; }
.analysis-report .ar-link { color: var(--c-primary); text-decoration: underline; cursor: pointer; }

/* 错题检索面板 */
.filter-panel { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.filter-chip { padding: 4px 10px; border-radius: 14px; background: var(--c-bg); color: var(--c-sub); font-size: 12px; }
.filter-chip.sel { background: var(--c-primary); color: #fff; }

/* 错题主动分析报告（多题积累后） */
.wrong-summary { background: linear-gradient(135deg, rgba(46,111,181,.06), rgba(127,209,214,.10)); border-left: 4px solid var(--c-primary); padding: 12px; border-radius: 10px; }
.wrong-summary h4 { margin: 0 0 8px; color: var(--c-primary-d); font-size: 14px; }
.wrong-summary .ws-row { display: flex; justify-content: space-between; margin: 4px 0; font-size: 13px; }
.wrong-summary .ws-row b { color: var(--c-primary-d); }

/* ============ 自我测试页 ============ */
.test-list { display: flex; flex-direction: column; gap: 10px; }
.test-row { display: flex; align-items: center; justify-content: space-between; padding: 14px; background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.test-row .t-info .t-tt { font-weight: 700; font-size: 14px; }
.test-row .t-info .t-ds { font-size: 12px; color: var(--c-sub); margin-top: 2px; }
.test-row .t-act { padding: 8px 14px; background: var(--c-primary); color: #fff; border-radius: 10px; font-size: 13px; font-weight: 600; }

/* ============ 二级子菜单（语文/英语内部功能列表） ============ */
.submenu { display: flex; flex-direction: column; gap: 10px; padding: 14px; }
.submenu-item { background: var(--c-card); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 12px; }
.submenu-item:active { transform: scale(.98); }
.submenu-item .s-ic { width: 44px; height: 44px; border-radius: 12px; background: rgba(46,111,181,.12); display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.submenu-item .s-info { flex: 1; }
.submenu-item .s-tt { font-weight: 700; font-size: 14px; }
.submenu-item .s-ds { font-size: 12px; color: var(--c-sub); margin-top: 2px; }
.submenu-item .s-go { color: var(--c-sub); font-size: 18px; }

/* ============ 管理端四大栏目 ============ */
.admin-tabs { display: flex; gap: 6px; overflow-x: auto; padding: 10px 14px; background: var(--c-card); position: sticky; top: 44px; z-index: 9; }
.admin-tab { white-space: nowrap; padding: 8px 12px; border-radius: 10px; background: var(--c-bg); color: var(--c-sub); font-size: 13px; }
.admin-tab.active { background: var(--c-primary); color: #fff; }
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 14px; }
.admin-card { background: var(--c-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.admin-card .ac-ic { font-size: 24px; }
.admin-card .ac-tt { font-weight: 700; font-size: 14px; }
.admin-card .ac-ds { font-size: 11px; color: var(--c-sub); flex: 1; }
.admin-card .ac-status { font-size: 11px; padding: 2px 8px; border-radius: 8px; align-self: flex-start; }
.st-ok { background: #E3F4E8; color: #2E7A45; }
.st-warn { background: #FCEFE0; color: #C5742A; }
.st-info { background: #E9F1FB; color: #225089; }
.st-off { background: #F1F2F4; color: #8A9099; }

/* ============ 热力图 ============ */
.heatmap { display: grid; grid-template-columns: repeat(20, 1fr); gap: 3px; }
.heat-cell { aspect-ratio: 1; border-radius: 3px; background: var(--c-bg); }
.heat-cell.lv1 { background: var(--c-accent); }
.heat-cell.lv2 { background: var(--c-primary); }
.heat-cell.lv3 { background: var(--c-primary-d); }

/* ============ tabbar ============ */
.tabbar { position: fixed; bottom: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 480px; display: flex; background: var(--c-card); box-shadow: 0 -2px 10px rgba(0,0,0,.06); }
.tabbar button { flex: 1; padding: 8px 0; background: none; color: var(--c-sub); font-size: 12px; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.tabbar button.active { color: var(--c-primary); font-weight: 700; }

/* ============ 写锁定（访客） ============ */
.locked { opacity: .5; pointer-events: none; filter: grayscale(.6); }
.lock-tip { background: #FCEFE0; color: #C5742A; font-size: 12px; padding: 8px 10px; border-radius: 8px; margin: 6px 0; }
.fb-ok { background: #E3F4E8; color: #2E7A45; font-weight: 700; font-size: 12px; padding: 8px 10px; border-radius: 8px; margin: 6px 0; }

/* ============ modal ============ */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal-box { background: #fff; border-radius: 16px; padding: 20px; width: 100%; max-height: 80vh; overflow: auto; }
.modal-box h3 { margin-top: 0; }
.modal-actions { display: flex; gap: 10px; margin-top: 14px; }

/* ============ 大字号档 ============ */
:root[data-font="large"] body { font-size: 18px; }
:root[data-font="large"] .func-card .f-tt { font-size: 16px; }
:root[data-font="large"] .panel h3 { font-size: 17px; }
:root[data-font="large"] .item .meta { font-size: 13px; }

.toast { position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,.8); color: #fff; padding: 10px 16px; border-radius: 20px; font-size: 14px; z-index: 99; }

/* 滚动条美化（桌面浏览器） */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,.15); border-radius: 2px; }

/* ============ 3D 按键动效（全局） ============ */
button, .func-card, .submenu-item, .role-cell, .tag, .filter-chip, .wrong-tab, .admin-tab, .test-row .t-act {
  transition: transform .08s ease, box-shadow .08s ease, filter .08s ease;
  will-change: transform;
}
button:active, .func-card:active, .submenu-item:active, .role-cell:active,
.tag:active, .filter-chip:active, .wrong-tab:active, .admin-tab:active, .test-row .t-act:active {
  transform: translateY(2px) scale(.96);
  box-shadow: inset 0 2px 4px rgba(0,0,0,.22), 0 1px 2px rgba(0,0,0,.1);
  filter: brightness(.93);
}

/* ============ 模态卡片（app.js modal） ============ */
.modal-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 100; align-items: center; justify-content: center; padding: 18px; }
.modal-mask.show { display: flex; }
.modal-card { background: var(--c-card); width: 100%; max-width: 440px; max-height: 84vh; border-radius: var(--radius); box-shadow: 0 8px 30px rgba(0,0,0,.25); display: flex; flex-direction: column; overflow: hidden; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid #eee; font-weight: 600; }
.modal-x { font-size: 22px; line-height: 1; cursor: pointer; color: var(--c-sub); padding: 0 4px; }
.modal-body { padding: 16px; overflow: auto; }

/* 背默每日任务 */
.vday-info { font-weight: 600; margin-bottom: 10px; }
.word-card { background: var(--c-bg); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 8px; }
.word-w { font-size: 17px; font-weight: 600; }
.word-p { font-size: 13px; color: var(--c-sub); font-weight: 400; margin-left: 6px; }
.word-m { color: var(--c-sub); margin-top: 2px; }
.vday-review { margin-top: 10px; padding-top: 10px; border-top: 1px dashed #ddd; }
.vday-review-t { font-size: 13px; color: var(--c-sub); margin-bottom: 6px; }

/* 古诗词 */
.gushi-title { font-size: 18px; font-weight: 700; text-align: center; }
.gushi-author { text-align: center; color: var(--c-sub); margin: 4px 0 12px; }
.gushi-text { white-space: pre-wrap; line-height: 1.8; }
.gushi-famous-t { margin-top: 14px; font-size: 13px; color: var(--c-sub); }
.gushi-famous { margin-top: 8px; }
.gushi-full { line-height: 1.7; }
.gushi-ans { color: var(--c-primary); margin-top: 4px; cursor: pointer; font-size: 14px; }
.gushi-ans span { display: none; }
.gushi-ans.show span { display: inline; }

/* 默写真题 */
.exam-q { padding: 10px 0; border-bottom: 1px solid #eee; }
.exam-qt { line-height: 1.6; }
.exam-a { color: var(--c-primary); margin-top: 4px; cursor: pointer; font-size: 14px; }
.exam-a span { display: none; }
.exam-a.show span { display: inline; }

/* 分析 / 启发卡片 */
.ana-row { display: flex; gap: 10px; padding: 6px 0; }
.ana-k { color: var(--c-sub); flex: 0 0 56px; }
.ana-v { flex: 1; }

/* ============ 数据库浏览 ============ */
.chip-wrap { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 10px; }
.db-meta { font-size: 13px; color: var(--c-sub); margin: 6px 2px; }
.db-nav { display: flex; gap: 8px; margin: 6px 0; }
.db-nav button:disabled { opacity: .4; }
.table-wrap { overflow-x: auto; border: 1px solid #eee; border-radius: var(--radius); background: var(--c-card); }
.db-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.db-table th, .db-table td { padding: 6px 8px; text-align: left; border-bottom: 1px solid #f0f0f0; vertical-align: top; max-width: 220px; word-break: break-all; }
.db-table th { background: #fafafa; color: var(--c-sub); position: sticky; top: 0; }
.db-table tr:hover td { background: #fcfcfc; }
.db-thumb { max-width: 64px; max-height: 64px; border-radius: 6px; display: block; }
.muted { color: #bbb; }
table.kv { width: 100%; border-collapse: collapse; font-size: 13px; }
table.kv th { text-align: left; color: var(--c-sub); padding: 6px 8px; width: 38%; vertical-align: top; border-bottom: 1px solid #f0f0f0; }
table.kv td { padding: 6px 8px; border-bottom: 1px solid #f0f0f0; word-break: break-all; }

/* ============ 数据库浏览（按模块分组 + 每表导出）============ */
.db-top-actions { display: flex; gap: 8px; margin: 8px 0; flex-wrap: wrap; }
.db-group { margin: 12px 0; }
.db-group-head { font-size: 14px; padding: 6px 8px; background: var(--c-bg-soft, #f5f5f5); border-radius: 8px 8px 0 0; border-left: 3px solid var(--c-primary, #6b8cff); }
.db-group-body { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 4px; }
.db-tile { display: inline-flex; align-items: center; gap: 6px; padding: 8px 10px; border: 1px solid #eee; border-radius: 8px; background: var(--c-card); cursor: pointer; transition: transform .08s; min-width: 90px; }
.db-tile:hover { transform: translateY(-1px); border-color: var(--c-primary, #6b8cff); box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.db-tile-name { font-weight: 600; font-size: 13px; }
.db-tile-cnt { color: var(--c-sub); font-size: 12px; background: #f0f0f0; padding: 1px 6px; border-radius: 8px; }
.db-tile-exp { font-size: 12px; color: var(--c-primary, #6b8cff); padding: 2px 6px; border-radius: 6px; }
.db-tile-exp:hover { background: #eef3ff; }

/* ============ 管理端验证 / 备份路径 / 备份列表 ============ */
.av-box { padding: 4px 0; }
.av-box .meta { color: #e95; margin-bottom: 8px; font-size: 12px; }
.av-box input { width: 100%; }
.path-box { background: #1e1e1e; color: #d0d0d0; padding: 10px 12px; border-radius: 6px; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12px; word-break: break-all; margin: 8px 0; }
.path-inline { font-family: ui-monospace, Consolas, monospace; font-size: 12px; color: var(--c-sub); word-break: break-all; }
.bk-row { display: flex; align-items: center; gap: 8px; padding: 10px 8px; border-bottom: 1px solid #f0f0f0; }
.bk-row .bk-meta { flex: 1; }
.bk-row b { font-size: 13px; word-break: break-all; }

.btn.ghost { background: transparent; color: var(--c-primary, #6b8cff); border: 1px solid var(--c-primary, #6b8cff); }
.ana-sug { background: var(--c-bg); border-radius: var(--radius-sm); padding: 10px 12px; line-height: 1.9; }

/* ========== 错题录入：拍照/上传/语音 + 缩略图 ========== */
.w-input-tabs { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.w-input-tabs .btn { flex: 1; min-width: 0; padding: 10px 6px; font-size: 13px; }
.w-input-tabs .btn.rec { background: var(--c-err, #e74c3c); color: #fff; animation: recPulse 1.5s ease-in-out infinite; }
@keyframes recPulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }
.w-images { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.w-images-t { width: 100%; font-size: 12px; color: var(--c-sub); margin-bottom: 4px; }
.w-thumb { position: relative; width: 70px; height: 70px; border-radius: 8px; overflow: hidden; border: 1px solid #eee; }
.w-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.w-thumb-x { position: absolute; top: 2px; right: 2px; background: rgba(0,0,0,.6); color: #fff; border-radius: 50%; width: 18px; height: 18px; text-align: center; line-height: 18px; font-size: 12px; cursor: pointer; }
.w-list-thumb { width: 80px; height: 80px; object-fit: cover; border-radius: 8px; cursor: pointer; margin-top: 6px; border: 1px solid #eee; }

/* ============ 只读模式（访客提示） ============ */
.readonly-banner { background: linear-gradient(135deg, #fff4e0, #ffe8cc); color: #8a4a00; padding: 10px 14px; border-radius: var(--radius-sm); margin: 10px 0 14px; font-size: 13px; line-height: 1.5; border-left: 4px solid #f0993d; }
.btn:disabled, button:disabled { opacity: 0.5; cursor: not-allowed; }