/* ═══════════════════════════════════════════════════════════════
   BrainLab 共用外殼樣式 bl-shell.css v1
   由 learn.andy-lab.org/shared/bl-shell.css 提供，各 app <link> 引用。
   改整個平台的長相 → 改這裡（改完不用部署各 app，重新整理就生效）。
   各 app 的舊 class 逐步換成 bl-* 標準 class。
   ═══════════════════════════════════════════════════════════════ */
/* 2026-07-04 改版「深邃紫」：主色不變、質感升級（深紫上欄/膠囊按鈕/懸浮底列/卡片細邊框） */
:root {
  --bl-primary: #7c3aed;
  --bl-primary-dark: #5b21b6;
  --bl-primary-deep: #4c1d95;
  --bl-primary-light: #ede9fe;
  --bl-text: #26215c;
  --bl-gray: #7c7a96;
  --bl-bg: #f6f4fe;
  --bl-border: #ebe5fb;
  --bl-white: #fff;
  --bl-green: #16a34a;
  --bl-orange: #ea580c;
  --bl-red: #dc2626;
  --bl-shadow: 0 2px 14px rgba(76, 29, 149, 0.08);
  --bl-radius: 16px;
}

/* ── 上欄（← BrainLab｜app 名｜登出）───────────────────────── */
.bl-topbar {
  position: sticky; top: 0; z-index: 100;
  background: linear-gradient(120deg, var(--bl-primary-deep), var(--bl-primary-dark) 55%, var(--bl-primary));
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 14px; height: 52px;
}
.bl-topbar .bl-tb-btn {
  background: rgba(255,255,255,.16); border: none; color: #fff;
  padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 700;
  cursor: pointer; white-space: nowrap; backdrop-filter: blur(4px);
}
.bl-topbar .bl-tb-btn:hover { background: rgba(255,255,255,.32); }
.bl-topbar .bl-tb-title {
  color: #fff; font-size: 16px; font-weight: 900; letter-spacing: .5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ── 底部分頁 ─────────────────────────────────────────────── */
/* 懸浮膠囊底列（改版）：離邊 10px、圓角 22px、細邊框＋柔陰影 */
.bl-bnav {
  position: fixed; bottom: calc(10px + env(safe-area-inset-bottom));
  left: 12px; right: 12px; z-index: 100;
  max-width: 720px; margin: 0 auto;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border: 1px solid var(--bl-border); border-radius: 22px;
  display: flex; padding: 6px 8px;
  box-shadow: 0 8px 28px rgba(76,29,149,.14);
}
.bl-bnav .bl-bnav-btn {
  flex: 1; background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 7px 0; border-radius: 16px; color: var(--bl-gray);
  transition: background .15s, color .15s;
}
.bl-bnav .bl-bnav-btn .ic { font-size: 20px; line-height: 1.2; }
.bl-bnav .bl-bnav-btn .lb { font-size: 11px; font-weight: 700; }
.bl-bnav .bl-bnav-btn.active { color: var(--bl-primary-dark); background: var(--bl-primary-light); }

/* ── 卡片／按鈕 ───────────────────────────────────────────── */
.bl-card {
  background: var(--bl-white); border-radius: var(--bl-radius);
  border: 1px solid var(--bl-border);
  box-shadow: var(--bl-shadow); padding: 16px 18px;
}
.bl-btn {
  border: none; cursor: pointer; border-radius: 999px;
  font-size: 14px; font-weight: 800; padding: 10px 18px;
  background: var(--bl-primary); color: #fff;
  transition: filter .15s, transform .1s;
}
.bl-btn:hover { filter: brightness(1.08); }
.bl-btn:active { transform: scale(.97); }
.bl-btn.ghost { background: var(--bl-primary-light); color: var(--bl-primary-dark); }
.bl-btn.danger { background: #fee2e2; color: #b91c1c; }
.bl-btn.warn { background: #fef3c7; color: #b45309; }
.bl-btn.sm { font-size: 12px; padding: 6px 13px; }

/* ── 書架（上方一排書封面、點選換下方內容）──────────────────── */
.bl-shelf {
  display: flex; gap: 12px; overflow-x: auto; padding: 4px 2px 10px;
  -webkit-overflow-scrolling: touch;
}
.bl-shelf .bl-book {
  flex: 0 0 auto; width: 92px; cursor: pointer; text-align: center;
}
.bl-shelf .bl-book .cov {
  width: 92px; height: 122px; border-radius: 14px; object-fit: cover;
  background: var(--bl-primary-light); border: 3px solid transparent;
  display: flex; align-items: center; justify-content: center; font-size: 30px;
  box-shadow: 0 6px 16px rgba(76,29,149,.16); transition: border-color .15s, transform .15s;
}
.bl-shelf .bl-book.active .cov { border-color: var(--bl-primary); transform: translateY(-3px); }
.bl-shelf .bl-book .tt {
  font-size: 12px; font-weight: 700; color: var(--bl-text); margin-top: 6px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.bl-shelf .bl-book .cat { font-size: 10px; color: var(--bl-gray); }

/* ── 分類分組小標題 ───────────────────────────────────────── */
.bl-cat-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 900; color: var(--bl-text);
  margin: 18px 0 10px;
}
.bl-cat-title::before {
  content: ''; width: 4px; height: 16px; border-radius: 2px;
  background: var(--bl-primary); display: inline-block;
}

/* ── 家長後台三分頁（Dashboard／書籍管理／上傳）───────────────── */
.bl-ptabs {
  display: flex; gap: 8px; margin: 12px 0 18px; flex-wrap: wrap;
}
.bl-ptabs .bl-ptab {
  border: none; cursor: pointer; border-radius: 999px;
  padding: 9px 18px; font-size: 14px; font-weight: 800;
  background: var(--bl-white); color: var(--bl-gray); box-shadow: var(--bl-shadow);
}
.bl-ptabs .bl-ptab.active { background: var(--bl-primary); color: #fff; }

/* ── 正確率色碼（全平台一致：綠≥80 橘≥60 紅<60）─────────────── */
.bl-pct-green  { color: var(--bl-green); }
.bl-pct-orange { color: var(--bl-orange); }
.bl-pct-red    { color: var(--bl-red); }

/* ── Dashboard 每小孩一張進度卡（四支 app 家長後台一致）──────── */
.bl-kidcard {
  background: var(--bl-white); border-radius: var(--bl-radius);
  border: 1px solid var(--bl-border);
  box-shadow: var(--bl-shadow); padding: 16px 18px; margin-bottom: 14px;
}
.bl-kidcard .bl-kidcard-name {
  font-size: 16px; font-weight: 900; color: var(--bl-primary);
  margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}
.bl-kidcard .bl-kidnums {
  display: flex; justify-content: space-around; text-align: center; gap: 8px;
}
.bl-kidcard .bl-kidnum .v { font-size: 24px; font-weight: 800; color: var(--bl-primary); line-height: 1.2; }
.bl-kidcard .bl-kidnum .l { font-size: 12px; color: var(--bl-gray); margin-top: 2px; }

/* ── 版面與字級規範（Day5 定案，以國文閱讀為準；規則見「BrainLab 新App開發規範.md」§6）──
   容器 860px｜頁標題 22/900 紫｜區塊·卡片標題 17/800｜內文 14｜meta·輔助 12 灰 */
.bl-page { max-width: 860px; margin: 0 auto; padding: 24px 20px 100px; }
.bl-h1 { font-size: 22px; font-weight: 900; color: var(--bl-primary); line-height: 1.4; margin: 4px 0 20px; display: flex; align-items: center; gap: 8px; }
.bl-h2 { font-size: 17px; font-weight: 800; color: var(--bl-text); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.bl-sub { font-size: 13px; color: var(--bl-gray); margin-bottom: 20px; }

/* ── 線條 icon（bl-admin.js BL.icon()，stroke=currentColor）────── */
.bl-ic { display: inline-block; vertical-align: -0.18em; flex-shrink: 0; }

/* ── Dashboard 頂部人名切換（每次看一個小孩，不用往下滑）──────── */
.bl-kidtabs { display: flex; gap: 8px; margin: 0 0 14px; flex-wrap: wrap; }
.bl-kidtabs button {
  border: none; cursor: pointer; border-radius: 999px;
  padding: 9px 22px; font-size: 14px; font-weight: 800;
  background: var(--bl-white); color: var(--bl-gray); box-shadow: var(--bl-shadow);
}
.bl-kidtabs button.active { background: var(--bl-primary); color: #fff; }

/* ── 共用彈窗（bl-admin.js 用：給誰/選項/輸入，全平台一致）────── */
.bl-modal-ov {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 3000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.bl-modal {
  background: #fff; border-radius: 16px; padding: 20px;
  max-width: 340px; width: 100%; max-height: 80vh; overflow-y: auto;
}
.bl-modal .bl-modal-title { font-size: 16px; font-weight: 800; color: var(--bl-text); margin-bottom: 6px; }
.bl-modal .bl-modal-desc { font-size: 13px; color: var(--bl-gray); margin-bottom: 12px; }
.bl-modal .bl-opt-row {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  border: 1px solid var(--bl-border); border-radius: 10px; margin-bottom: 8px;
  cursor: pointer; font-size: 14px; color: var(--bl-text);
}
.bl-modal .bl-opt-row input { accent-color: var(--bl-primary); }
.bl-modal .bl-opt-row .sub { color: var(--bl-gray); font-size: 12px; }
.bl-modal .bl-modal-btns { display: flex; gap: 8px; margin-top: 10px; }
.bl-modal .bl-modal-btns .bl-btn { flex: 1; }
.bl-modal .bl-modal-input {
  width: 100%; padding: 10px 12px; border: 1.5px solid var(--bl-border); border-radius: 10px;
  font-size: 15px; font-family: inherit; color: var(--bl-text); box-sizing: border-box;
}

/* ── 標準書卡（五支 app 家長後台書籍管理一致）──────────────────── */
.bl-bookcard {
  background: var(--bl-white); border-radius: var(--bl-radius);
  border: 1px solid var(--bl-border); box-shadow: var(--bl-shadow);
  padding: 14px; margin-bottom: 12px;
}
.bl-bookcard .bl-bc-row { display: flex; gap: 12px; align-items: flex-start; }
.bl-bookcard .bl-bc-cover { flex-shrink: 0; cursor: pointer; text-align: center; }
.bl-bookcard .bl-bc-cover img {
  width: 48px; height: 64px; object-fit: cover; border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15); display: block;
}
.bl-bookcard .bl-bc-cover .ph {
  width: 48px; height: 64px; background: var(--bl-bg); border-radius: 6px;
  border: 1.5px dashed var(--bl-border); display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.bl-bookcard .bl-bc-cover .hint { font-size: 10px; color: var(--bl-gray); margin-top: 3px; line-height: 1.2; }
.bl-bookcard .bl-bc-body { flex: 1; min-width: 0; }
.bl-bookcard .bl-bc-title-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 2px; }
.bl-bookcard .bl-bc-title { font-size: 15px; font-weight: 800; color: var(--bl-text); }
.bl-bookcard .bl-bc-meta { font-size: 12px; color: var(--bl-gray); margin: 2px 0 10px; }
.bl-bookcard .bl-bc-btns { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.bl-badge { font-size: 11px; font-weight: 700; border-radius: 8px; padding: 2px 8px; background: var(--bl-primary-light); color: var(--bl-primary-dark); }
.bl-badge.all { background: #fef3c7; color: #92400e; }
.bl-badge.none { background: #f3f4f6; color: #9ca3af; }
.bl-cat-select {
  padding: 5px 8px; border-radius: 999px; border: 1px solid var(--bl-border);
  font-size: 12px; font-weight: 700; color: var(--bl-primary-dark); background: var(--bl-primary-light);
  font-family: inherit; cursor: pointer; max-width: 130px;
}

/* ── Dashboard kidcard 三塊（讀書log／完成度／熟悉度燈號）──────── */
.bl-kc-sec { border-top: 1px solid var(--bl-border); margin-top: 14px; padding-top: 12px; }
.bl-kc-sec-title { font-size: 13px; font-weight: 800; color: var(--bl-text); margin-bottom: 8px; }
.bl-kc-empty { font-size: 12px; color: var(--bl-gray); padding: 6px 0; }
.bl-monthnav { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 8px; }
.bl-monthnav span { font-size: 13px; font-weight: 800; color: var(--bl-primary-dark); min-width: 90px; text-align: center; }
.bl-monthnav .bl-btn:disabled { opacity: .35; cursor: not-allowed; }
.bl-log-day { margin-bottom: 8px; }
.bl-log-date {
  display: inline-block; font-size: 11px; font-weight: 800; color: #fff;
  background: var(--bl-primary); border-radius: 8px; padding: 2px 8px; margin-bottom: 3px;
}
.bl-log-line { font-size: 13px; color: var(--bl-text); padding: 2px 0 2px 4px; line-height: 1.5; }
.bl-log-line .s { font-size: 11px; color: var(--bl-gray); }
.bl-prog-row { margin-bottom: 10px; }
.bl-prog-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 13px; }
.bl-prog-top .t { font-weight: 700; color: var(--bl-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bl-prog-top .n { font-size: 12px; color: var(--bl-gray); flex-shrink: 0; }
.bl-prog-bar { height: 6px; background: var(--bl-primary-light); border-radius: 3px; overflow: hidden; margin-top: 4px; }
.bl-prog-bar > div { height: 100%; background: var(--bl-green); border-radius: 3px; }
.bl-light-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 5px 0; border-bottom: 1px solid var(--bl-border); }
.bl-light-row .t { font-size: 13px; font-weight: 600; color: var(--bl-text); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bl-light-row .t .s { font-size: 11px; color: var(--bl-gray); font-weight: 400; }
.bl-light-row .d { display: flex; align-items: center; gap: 3px; flex-shrink: 0; }
.bl-light-row .b { font-size: 10px; color: var(--bl-gray); margin-left: 4px; }
.bl-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; }

/* ── Toast ────────────────────────────────────────────────── */
.bl-toast {
  position: fixed; bottom: 84px; left: 50%; z-index: 1000;
  transform: translateX(-50%) translateY(90px);
  background: var(--bl-text); color: #fff; padding: 10px 22px;
  border-radius: 20px; font-size: 14px; font-weight: 600;
  transition: transform .3s, opacity .3s, visibility .3s; pointer-events: none;
  opacity: 0; visibility: hidden; /* 隱藏時要藏乾淨（修：畫面底部露出一截深色藥丸） */
}
.bl-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; visibility: visible; }