/* Báo Tốt Lành — giao diện máy tính bảng, ấm, chữ to, không có gì kéo trẻ ở lại vô ích */
:root {
  --bg: #FFF8EC;
  --paper: #FFFFFF;
  --ink: #2B2A28;
  --ink-2: #5E5A52;
  --line: #EADFCB;
  --accent: #E0762B;
  --accent-ink: #FFFFFF;
  --soft: #FDEBD3;
  --ok: #3E8E5B;
  --shadow: 0 6px 24px rgba(90, 60, 20, .10);
  --radius: 22px;
  --font: "Nunito", "Segoe UI", Roboto, system-ui, sans-serif;
  --fs: 19px;
}
[data-reader="be-nho"] { --fs: 22px; }
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { font-size: var(--fs); }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font);
  line-height: 1.55; min-height: 100dvh; overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; }
.app { max-width: 880px; margin: 0 auto; padding: 16px 16px calc(24px + env(safe-area-inset-bottom)); }
.banner { background: #FBE7B5; color: #6B4A00; text-align: center; padding: 8px 12px; border-radius: 12px; margin-bottom: 12px; font-size: .85rem; }

/* Thanh trên */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0 14px; }
/* Tên báo bấm được để về trang chủ — là <button> nên phải gỡ hết kiểu mặc định của nút */
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.05rem;
  background: none; border: 0; padding: 0; margin: 0; color: inherit; font-family: inherit;
  text-align: left; cursor: pointer; border-radius: 14px; }
.brand:active { transform: scale(.97); }
.brand:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.brand img { width: 40px; height: 40px; border-radius: 12px; }
.brand small { display: block; font-weight: 600; font-size: .7rem; color: var(--ink-2); }
.top .right { display: flex; gap: 8px; align-items: center; }

/* Nút */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 10px 20px; border-radius: 999px; border: 2px solid var(--line);
  background: var(--paper); font-weight: 700; cursor: pointer; text-decoration: none;
  box-shadow: 0 2px 0 rgba(0,0,0,.04); transition: transform .08s ease;
}
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; border-color: transparent; box-shadow: none; }
.btn.small { min-height: 42px; padding: 6px 14px; font-size: .85rem; }
.btn.icon { width: 48px; min-height: 48px; padding: 0; border-radius: 50%; font-size: 1.2rem; }
.btn[disabled] { opacity: .5; cursor: default; }

/* Chọn người đọc */
.hero { text-align: center; padding: 30px 10px 10px; }
.hero h1 { font-size: 2rem; margin: 10px 0 4px; font-weight: 800; }
.hero p { color: var(--ink-2); margin: 0 0 24px; }
.readers { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.reader-card {
  background: var(--paper); border: 3px solid var(--line); border-radius: var(--radius);
  padding: 28px 20px; text-align: center; cursor: pointer; box-shadow: var(--shadow);
}
.reader-card:active { transform: scale(.98); }
.reader-card .big { font-size: 3rem; line-height: 1; }
.reader-card h2 { margin: 12px 0 4px; font-size: 1.4rem; }
.reader-card p { margin: 0; color: var(--ink-2); font-size: .9rem; }

/* Trang bìa */
.cover { background: var(--paper); border-radius: var(--radius); padding: 22px 22px 18px; box-shadow: var(--shadow); margin-bottom: 18px; }
.cover .date { color: var(--accent); font-weight: 800; letter-spacing: .02em; text-transform: uppercase; font-size: .8rem; }
.cover h1 { margin: 6px 0 4px; font-size: 1.7rem; line-height: 1.2; }
.cover p { margin: 0 0 14px; color: var(--ink-2); }
.progress { height: 12px; background: var(--soft); border-radius: 999px; overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width .4s ease; }
.progress-label { font-size: .8rem; color: var(--ink-2); margin-top: 6px; font-weight: 700; }

.list { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.card {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; align-items: center;
  background: var(--paper); border-radius: var(--radius); padding: 16px 18px; text-align: left;
  border: 2px solid transparent; box-shadow: var(--shadow); cursor: pointer; width: 100%;
}
.card:active { transform: scale(.985); }
.card.read { opacity: .72; border-color: var(--line); box-shadow: none; }
.card .emoji { font-size: 2.2rem; width: 64px; height: 64px; display: grid; place-items: center; background: var(--soft); border-radius: 18px; }
.card .sec { font-size: .72rem; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: .03em; }
.card h3 { margin: 2px 0 2px; font-size: 1.05rem; line-height: 1.3; }
.card p { margin: 0; color: var(--ink-2); font-size: .85rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .tick { font-size: 1.4rem; color: var(--ok); }

/* Bài đọc */
.article { background: var(--paper); border-radius: var(--radius); padding: 26px 26px 30px; box-shadow: var(--shadow); }
.article .sec { color: var(--accent); font-weight: 800; text-transform: uppercase; font-size: .78rem; letter-spacing: .03em; }
.article h1 { font-size: 1.75rem; line-height: 1.22; margin: 8px 0 10px; }
.article .lead { font-size: 1.1rem; color: var(--ink-2); font-weight: 700; margin: 0 0 18px; }
.figure { background: linear-gradient(135deg, #FDEBD3, #FFE1C2); border-radius: 18px; padding: 22px; text-align: center; margin: 0 0 20px; color: #8A5A2B; font-weight: 700; font-size: .95rem; }
.figure .big { font-size: 3.4rem; line-height: 1; display: block; margin-bottom: 6px; }
.body p { margin: 0 0 1em; font-size: 1.02rem; }
.body p:last-child { margin-bottom: 0; }
.tools { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 20px; }
.tools .btn.speaking { background: var(--soft); border-color: var(--accent); }

.box { border: 2px dashed var(--line); border-radius: 18px; padding: 16px 18px; margin-top: 18px; }
.box h4 { margin: 0 0 8px; font-size: .95rem; display: flex; align-items: center; gap: 8px; }
.box.words .chip { display: inline-block; background: var(--soft); border-radius: 999px; padding: 6px 14px; margin: 4px 6px 4px 0; font-weight: 700; cursor: pointer; }
.box.words .chip .m { display: none; font-weight: 500; color: var(--ink-2); }
.box.words .chip.open .m { display: inline; }
.box.act { background: #F3F9F4; border-color: #CFE6D5; }
.box.act p { margin: 0; }
.box.fun { background: #F2F6FD; border-color: #CEDCF3; }
textarea.answer {
  width: 100%; min-height: 96px; border-radius: 14px; border: 2px solid var(--line); padding: 12px 14px;
  font: inherit; font-size: 1rem; resize: vertical; background: #FFFDF8;
}
.saved { font-size: .8rem; color: var(--ok); font-weight: 700; margin-top: 6px; min-height: 1.2em; }
.nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 26px; }

/* Kết thúc */
.done { text-align: center; background: var(--paper); border-radius: var(--radius); padding: 40px 22px; box-shadow: var(--shadow); }
.done .big { font-size: 4rem; line-height: 1; }
.done h1 { font-size: 1.8rem; margin: 14px 0 6px; }
.done p { color: var(--ink-2); margin: 0 0 22px; }

/* Góc cha mẹ */
.parent h2 { font-size: 1.2rem; margin: 22px 0 8px; }
.parent table { width: 100%; border-collapse: collapse; font-size: .85rem; background: var(--paper); border-radius: 14px; overflow: hidden; }
.parent td, .parent th { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.parent a { color: var(--accent); word-break: break-all; }
.pin { display: flex; gap: 10px; justify-content: center; margin: 22px 0; }
.pin input { width: 56px; height: 64px; font-size: 1.8rem; text-align: center; border-radius: 14px; border: 2px solid var(--line); background: var(--paper); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.muted { color: var(--ink-2); font-size: .85rem; }
.empty { text-align: center; padding: 60px 20px; color: var(--ink-2); }

@media (max-width: 560px) {
  .article { padding: 20px 18px 24px; }
  .card { grid-template-columns: 52px 1fr auto; }
  .card .emoji { width: 52px; height: 52px; font-size: 1.8rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ===== Nguyên văn bài báo: ảnh thật, bìa kiểu tạp chí ===== */
.hero-card { display:block; width:100%; text-align:left; background:var(--paper); border:2px solid transparent; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); cursor:pointer; margin-bottom:16px; padding:0; position:relative; }
.hero-card.read { opacity:.75; border-color:var(--line); box-shadow:none; }
.hero-img { display:block; width:100%; aspect-ratio:16/9; object-fit:cover; background:var(--soft); }
.hero-img.placeholder { display:grid; place-items:center; font-size:4rem; }
.hero-text { padding:16px 20px 20px; }
.hero-text .sec, .card .sec { font-size:.72rem; font-weight:800; color:var(--accent); text-transform:uppercase; letter-spacing:.03em; }
.hero-text h2 { margin:6px 0 6px; font-size:1.45rem; line-height:1.25; }
.hero-text p { margin:0; color:var(--ink-2); font-size:.95rem; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.hero-card .tick { position:absolute; top:12px; right:14px; background:#fff; border-radius:50%; width:36px; height:36px; display:grid; place-items:center; color:var(--ok); font-weight:800; }
.card { grid-template-columns: 96px 1fr auto; }
.card .thumb { width:96px; height:96px; object-fit:cover; border-radius:16px; background:var(--soft); display:block; }
.card .thumb.placeholder { display:grid; place-items:center; font-size:2.2rem; }
.byline { color:var(--ink-2); font-size:.85rem; font-weight:700; margin:0 0 14px; }
.byline.end { margin:22px 0 0; font-weight:600; font-style:italic; }
.fig { margin:0 0 20px; }
.fig img { display:block; width:100%; height:auto; border-radius:16px; background:var(--soft); }
.fig figcaption { font-size:.85rem; color:var(--ink-2); margin-top:8px; line-height:1.4; }
.lead-fig { margin:0 0 18px; }
.body h3 { font-size:1.15rem; margin:1.2em 0 .5em; }
.body blockquote { margin:1em 0; padding:10px 16px; border-left:5px solid var(--soft); color:var(--ink-2); font-style:italic; }
.body p.li { padding-left:8px; }
@media (max-width:560px) { .card { grid-template-columns:72px 1fr auto; } .card .thumb { width:72px; height:72px; } .hero-text h2 { font-size:1.2rem; } }

/* ===== Chế độ tối, cỡ chữ, hộp ảnh, số cũ ===== */
:root[data-theme="dark"] {
  --bg: #1E1B17; --paper: #2A2622; --ink: #F1EBE0; --ink-2: #B9B0A2; --line: #3D3730;
  --accent: #F0904A; --soft: #3A2E22; --ok: #6FC08D; --shadow: 0 6px 24px rgba(0,0,0,.35);
}
:root[data-theme="dark"] .banner { background: #4A3A14; color: #F5DFA8; }
:root[data-theme="dark"] .fig img, :root[data-theme="dark"] .hero-img, :root[data-theme="dark"] .card .thumb { filter: brightness(.92); }
.banner.old { display: flex; gap: 8px; justify-content: center; align-items: center; }
.linkish { background: none; border: none; color: var(--accent); font-weight: 800; cursor: pointer; padding: 0; text-decoration: underline; }
.fig img { cursor: zoom-in; }
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,.94); z-index: 50; display: grid; place-items: center; grid-template-rows: 1fr auto; padding: 12px; cursor: zoom-out; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: calc(100dvh - 90px); object-fit: contain; border-radius: 8px; }
.lightbox .cap { color: #EEE; font-size: .95rem; text-align: center; padding: 10px 6px 4px; max-width: 900px; }
.top .right .btn.small.ghost { min-width: 42px; padding: 6px 10px; }
@media (max-width: 480px) { .brand small { display: none; } .top .right { gap: 2px; } }

/* Nhãn bài dịch */
.tag-dich { background: #E3EDF9; color: #1B4B7A; border-radius: 999px; padding: 2px 10px; font-size: .78rem; font-weight: 800; }
:root[data-theme="dark"] .tag-dich { background: #22364C; color: #A8CBEE; }

/* ===== Nghe đọc bài: câu đang đọc sáng lên ===== */
.sent { background: #FFE9A8; border-radius: 6px; box-shadow: 0 0 0 3px #FFE9A8; }
:root[data-theme="dark"] .sent { background: #5C4A18; box-shadow: 0 0 0 3px #5C4A18; color: #FFF6DC; }
.playbar { position: fixed; left: 0; right: 0; bottom: 0; height: 6px; background: var(--line); opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 30; }
.playbar.on { opacity: 1; }
.playbar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s linear; }
.tools .btn { min-height: 48px; }

/* ===== Nút thích ===== */
.like-box { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 22px; padding-top: 18px; border-top: 2px dashed var(--line); }
.btn.like { border-color: var(--accent); color: var(--accent); }
.btn.like.on { background: var(--accent); color: var(--accent-ink); }
.btn.like.pop { animation: pop .4s ease; }
@keyframes pop { 0% { transform: scale(1);} 40% { transform: scale(1.12);} 100% { transform: scale(1);} }

/* ===== Góc cha mẹ: thống kê ===== */
.stats { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0 4px; }
.stat { background: var(--paper); border: 2px solid var(--line); border-radius: 16px; padding: 12px 18px; min-width: 110px; text-align: center; }
.stat b { display: block; font-size: 1.6rem; color: var(--accent); }
.stat span { font-size: .8rem; color: var(--ink-2); }
.parent i.bar { display: inline-block; height: 10px; background: var(--accent); border-radius: 999px; vertical-align: middle; margin-right: 8px; min-width: 6px; }
.bars { display: grid; gap: 8px; margin-top: 8px; }
.barrow { display: grid; grid-template-columns: minmax(120px, 34%) 1fr auto; align-items: center; gap: 10px; font-size: .9rem; }
.barrow i.bar { height: 14px; border-radius: 999px; background: var(--accent); display: block; }
.barrow b { color: var(--accent); }
.parent table { table-layout: fixed; word-break: break-word; }
.hint-box { background: var(--soft); border-radius: 16px; padding: 14px 18px; margin-top: 14px; font-size: .9rem; }
.hint-box p { margin: 6px 0 0; }
.hint-box code { background: rgba(0,0,0,.07); border-radius: 6px; padding: 1px 6px; }
:root[data-theme="dark"] .hint-box code { background: rgba(255,255,255,.12); }

/* Tên báo không bị ngắt dòng trên điện thoại */
.brand > div { white-space: nowrap; }
@media (max-width: 400px) { .brand img { width: 32px; height: 32px; } .brand { font-size: .95rem; gap: 8px; } }
/* Đoạn đang được đọc (giọng Google, phát theo từng đoạn) */
[data-p].saying { background: #FFF3CE; border-radius: 10px; box-shadow: 0 0 0 8px #FFF3CE; }
:root[data-theme="dark"] [data-p].saying { background: #4A3A14; box-shadow: 0 0 0 8px #4A3A14; }


/* ---- Trang chủ xếp theo chuyên mục ---- */
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 12px; margin: 16px 0 0;
  scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: 0 0 auto; background: var(--paper); border: 2px solid var(--line); border-radius: 999px;
  padding: 9px 14px; font: inherit; font-size: .9rem; font-weight: 700; color: inherit; cursor: pointer;
  white-space: nowrap; min-height: 44px; }
.chip b { color: var(--accent); margin-left: 2px; }
.chip:active { transform: scale(.96); }
.sec-head { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 12px;
  font-size: 1.15rem; scroll-margin-top: 12px; }
.sec-head span { font-size: .78rem; font-weight: 700; color: var(--ink-2); }
.sec-head::after { content: ""; flex: 1; height: 3px; border-radius: 999px; background: var(--line); }

/* Dòng chữ trong bài không được dài quá: đo trên iPad nằm ngang là 81 ký tự một dòng,
   bé 7 tuổi quét mắt hết dòng là lạc chỗ. Giới hạn còn khoảng 60 ký tự. */
.article .body, .article .lead { max-width: 33em; }
.article h1 { max-width: 26em; }