/* Viết Thấu Suốt: cùng ngôn ngữ với Blog — góc vuông, viền mảnh, nhãn chữ máy, navy + pastel */
:root {
  color-scheme: light;
  --navy: #1e2a5a;
  --navy-soft: #3b4a85;
  --ink: #1e2a5a;
  --text: #3a4256;
  --muted: #646c88;
  --bg: #f4f5f8;
  --card: #ffffff;
  --paper: #ffffff;
  --line: #d6dae6;
  --line-soft: #e6e9f1;
  /* Mỗi nhóm một màu pastel */
  --g-viet-tot-hon: #e6efff;
  --g-content: #ffe9df;
  --g-y-tuong: #fff4cc;
  --g-tri-lieu: #e2f6ec;
  --g-viet-sach: #eee9ff;
  --g-tu-do: #ffe6ef;
  --g-suy-ngam: #e4f3f7;
  --red: #b8352f;
  --radius: 2px;
  --font: 'Be Vietnam Pro', -apple-system, 'SF Pro Text', 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-tap-highlight-color: transparent; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; color: var(--ink); font-weight: 600; text-wrap: balance; }
h1 { font-size: 28px; letter-spacing: -0.01em; }
h2 { font-size: 18px; margin: 28px 0 12px; }
h3 { font-size: 17px; }
p { margin: 6px 0; }
a { color: var(--ink); text-underline-offset: 3px; }

/* Nhãn chữ máy: dùng chung cho mọi dòng phụ kiểu "Viết tốt hơn · Khởi hành" */
.eyebrow, h4, .chip, .back, .tick, .count, .brand, .label-mono, .timer, .word-count, .tab, .dot-label {
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.eyebrow { margin: 0 0 8px; color: var(--muted); font-size: 12px; text-transform: uppercase; }
h4 { font-size: 12px; font-weight: 500; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }

.view { max-width: 640px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 28px) 16px calc(env(safe-area-inset-bottom) + 96px); }
.page-head { margin-bottom: 22px; }
.page-head h1 + .muted, .page-head h1 + .eyebrow { margin-top: 12px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.grow { flex: 1; min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.back { display: inline-block; margin-bottom: 18px; font-size: 12px; text-transform: uppercase; color: var(--muted); text-decoration: none; }
.back:hover { color: var(--ink); }

.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 12px; color: inherit; text-decoration: none; }
.card > h2:first-child { margin-top: 0; }
a.card:hover { border-color: var(--ink); }
.card.empty { text-align: center; padding: 32px 20px; }
.card.empty .btn { margin-top: 12px; }
.note { background: var(--g-y-tuong); border: 1px solid #ecdca0; border-radius: var(--radius); padding: 12px 14px; }
.chip { font-size: 11px; font-weight: 500; text-transform: uppercase; color: var(--ink); background: var(--g-viet-sach); border: 1px solid var(--ink); padding: 2px 6px; border-radius: var(--radius); vertical-align: middle; white-space: nowrap; }

/* Ô màu nhỏ đánh dấu nhóm (thay cho thanh màu bên trái) */
.swatch { width: 10px; height: 10px; flex: none; background: var(--line); border: 1px solid var(--ink); display: inline-block; }
.sw-viet-tot-hon { background: var(--g-viet-tot-hon); }
.sw-content { background: var(--g-content); }
.sw-y-tuong { background: var(--g-y-tuong); }
.sw-tri-lieu { background: var(--g-tri-lieu); }
.sw-viet-sach { background: var(--g-viet-sach); }
.sw-tu-do { background: var(--g-tu-do); }
.sw-suy-ngam { background: var(--g-suy-ngam); }

/* Nút: góc vuông, viền navy như Blog */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 10px 18px; border-radius: var(--radius); border: 1px solid var(--ink); background: var(--card); color: var(--ink); font: 500 15px var(--font); text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--bg); }
.btn:focus-visible, .input:focus-visible, .editor:focus-visible, summary:focus-visible, .tab:focus-visible { outline: 2px solid var(--navy-soft); outline-offset: 2px; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-soft); }
.btn-danger { color: var(--red); border-color: var(--red); }
.btn-small { min-height: 36px; padding: 6px 12px; font-size: 14px; margin: 4px 6px 4px 0; }
.btn:disabled { opacity: 0.55; cursor: default; }
.link-mono { font: 500 13px var(--mono); letter-spacing: 0.02em; text-transform: uppercase; text-decoration: none; }
.link-mono:hover { text-decoration: underline; }

/* Logo vuông như Blog */
.mark { width: 14px; height: 14px; background: var(--navy); flex: none; display: inline-block; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; text-transform: uppercase; color: var(--ink); }

/* Đăng nhập */
.login { padding-top: 10vh; display: flex; flex-direction: column; gap: 14px; }
.label { font-weight: 600; font-size: 14px; color: var(--ink); }
.input { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius); font: 17px var(--font); color: var(--ink); background: var(--card); }
.input:focus { border-color: var(--ink); }
.error { color: var(--red); }

/* Chuỗi ngày */
.streak .big { font-size: 40px; font-weight: 600; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.dots { display: grid; grid-template-columns: repeat(14, 1fr); gap: 5px; margin-top: 16px; }
.dot { aspect-ratio: 1; background: var(--line-soft); }
.dot.on { background: var(--navy); }
.dot.today { outline: 1px solid var(--ink); outline-offset: 2px; }
.dot-label { display: flex; justify-content: space-between; margin-top: 8px; font-size: 11px; color: var(--muted); text-transform: uppercase; }

/* Nhóm */
.group-head { display: flex; gap: 12px; align-items: flex-start; color: inherit; text-decoration: none; }
.count { font-weight: 500; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; }
.bar { height: 4px; background: var(--line-soft); margin-top: 12px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--navy); }
.next { margin-top: 12px; font-weight: 500; }
.page-head[class*='group-'] h1::before { content: ''; display: inline-block; width: 14px; height: 14px; margin-right: 12px; border: 1px solid var(--ink); vertical-align: 2px; background: var(--line); }
.page-head.group-viet-tot-hon h1::before { background: var(--g-viet-tot-hon); }
.page-head.group-content h1::before { background: var(--g-content); }
.page-head.group-y-tuong h1::before { background: var(--g-y-tuong); }
.page-head.group-tri-lieu h1::before { background: var(--g-tri-lieu); }
.page-head.group-viet-sach h1::before { background: var(--g-viet-sach); }
.page-head.group-tu-do h1::before { background: var(--g-tu-do); }
.page-head.group-suy-ngam h1::before { background: var(--g-suy-ngam); }

/* Danh sách đề */
.chapter h2 { font-size: 13px; font-family: var(--mono); font-weight: 500; text-transform: uppercase; letter-spacing: 0.02em; color: var(--muted); }
.prompt-list { list-style: none; margin: 0; padding: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.prompt-list > li + li { border-top: 1px solid var(--line-soft); }
.prompt-item a, .prompt-item .locked-row { display: flex; justify-content: space-between; gap: 12px; padding: 14px 16px; color: var(--ink); text-decoration: none; }
.prompt-item a:hover { background: var(--bg); }
.prompt-item.done a { color: var(--muted); }
.prompt-item.locked { color: var(--muted); }
.muted-tick { color: var(--muted) !important; background: var(--bg) !important; border-color: var(--line) !important; }
.soon { opacity: 0.7; }

/* Trang chính: một khối nổi bật như bài đầu của Blog, rồi các dòng nhóm */
.featured { border-top: 5px solid var(--navy); padding: 22px 20px; }
.main-title { font-size: 24px; line-height: 1.25; margin: 2px 0 20px; }
.group-rows { list-style: none; margin: 0 0 12px; padding: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.group-rows li + li { border-top: 1px solid var(--line-soft); }
.group-row { display: flex; align-items: center; gap: 12px; padding: 15px 16px; color: var(--ink); text-decoration: none; font-weight: 500; }
.group-row:hover { background: var(--bg); }
.home-foot { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }

/* Khoá học và gói thành viên */
.course-card { display: flex; gap: 14px; align-items: flex-start; }
.course-card h2, .plan h2 { margin-top: 0; }
.course-card .swatch { margin-top: 7px; }
.plan.current { border: 1px solid var(--ink); border-top: 5px solid var(--navy); }
.price { font-size: 24px; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.pay { margin-top: 12px; }
.pay img { width: 100%; max-width: 300px; display: block; margin: 8px 0 12px; border: 1px solid var(--line); background: #fff; }
.pay h3 { margin: 20px 0 8px; font-size: 17px; }
.bank { margin: 0; border: 1px solid var(--line); background: var(--card); }
.bank > div { display: flex; flex-wrap: wrap; align-items: center; gap: 2px 12px; padding: 10px 14px; border-top: 1px solid var(--line); }
.bank > div:first-child { border-top: 0; }
.bank dt { flex: 0 0 112px; color: var(--muted); font-size: 15px; }
.bank dd { margin: 0; flex: 1 1 160px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 18px; }
.bank dd .btn-small { margin: 0; }
.video-item { display: flex; align-items: center; gap: 12px; padding: 0 16px; }
.video-item + .video-item { border-top: 1px solid var(--line-soft); }
.video-item input { width: 20px; height: 20px; flex: none; accent-color: var(--navy); }
.video-item a { flex: 1; padding: 14px 0; color: var(--ink); text-decoration: none; }
.tick { flex: none; font-size: 11px; font-weight: 500; text-transform: uppercase; color: #1d6b48; background: var(--g-tri-lieu); border: 1px solid #1d6b48; padding: 1px 6px; height: fit-content; }

/* Màn hình viết: trang giấy trắng, mọi thứ khác lùi lại */
.write-top { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; background: var(--bg); padding: calc(env(safe-area-inset-top) + 8px) 0 10px; margin-top: calc(-1 * env(safe-area-inset-top)); border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.write-top .back { margin: 0; }
.timer { font-size: 20px; font-weight: 500; font-variant-numeric: tabular-nums; color: var(--ink); border: 1px solid var(--ink); background: var(--card); padding: 3px 10px; }
.timer.over { background: var(--g-tri-lieu); color: #1d6b48; border-color: #1d6b48; }
.prompt { padding: 0; }
.prompt summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 12px; padding: 14px 18px; }
.prompt summary::-webkit-details-marker { display: none; }
.prompt summary b { flex: 1; min-width: 0; color: var(--ink); font-weight: 600; }
.prompt summary::after { content: '+'; font: 500 18px var(--mono); color: var(--muted); }
.prompt[open] summary { border-bottom: 1px solid var(--line-soft); }
.prompt[open] summary b { visibility: hidden; }
.prompt[open] summary::after { content: '−'; }
.prompt-body { padding: 16px 18px 18px; }
.prompt-title { font-size: 24px; margin-bottom: 10px; }
.lead { color: var(--text); }
.pblock { margin-top: 16px; }
.pblock ul { margin: 4px 0; padding-left: 20px; }
.pblock.task { background: var(--g-viet-tot-hon); border-left: 3px solid var(--navy); padding: 12px 14px; }
details.pblock summary { cursor: pointer; font: 500 13px var(--mono); text-transform: uppercase; letter-spacing: 0.02em; color: var(--ink); }
.frame { white-space: pre-wrap; font: 14px/1.6 var(--font); background: var(--bg); border: 1px solid var(--line-soft); padding: 12px 14px; margin: 6px 0 0; }
.safety { margin-top: 16px; background: var(--g-tri-lieu); padding: 12px 14px; }
.goal { background: var(--g-tri-lieu); color: #1d6b48; border: 1px solid #1d6b48; padding: 10px 14px; font-weight: 500; }
.editor { display: block; width: 100%; min-height: 60vh; padding: 22px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink); font: 18px/1.8 var(--font); resize: vertical; box-shadow: 0 1px 0 var(--line-soft), 0 12px 32px -24px rgba(30, 42, 90, 0.35); }
.editor:focus { outline: none; border-color: var(--ink); }
.editor::placeholder { color: #a3a9bf; }
.write-bottom { position: sticky; bottom: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--bg); border-top: 1px solid var(--line); margin-top: 16px; padding: 12px 0 calc(env(safe-area-inset-bottom) + 12px); }
.word-count { font-size: 14px; font-weight: 500; color: var(--ink); font-variant-numeric: tabular-nums; text-transform: uppercase; }

/* Xong buổi viết, đọc lại */
section.done { padding-top: 8vh; display: flex; flex-direction: column; gap: 12px; }
section.done h1 { font-size: 30px; }
.done-stats { font-family: var(--mono); font-size: 15px; text-transform: uppercase; color: var(--muted); padding: 12px 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.done-stats b { font-family: var(--font); font-size: 26px; font-weight: 600; color: var(--ink); margin-right: 4px; }
.entry { display: flex; flex-direction: column; gap: 4px; }
.entry b { color: var(--ink); font-size: 17px; }
.entry .eyebrow { display: flex; align-items: center; gap: 8px; margin: 0; }
.clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.reading h1 { font-size: 30px; }
.reading-body { background: var(--paper); border: 1px solid var(--line); border-top: 2px solid var(--ink); padding: 22px 20px; margin-top: 18px; font-size: 18px; line-height: 1.8; overflow-wrap: anywhere; }
.donate { background: var(--bg); border: 1px solid var(--line-soft); padding: 12px 14px; margin-top: 10px; }

/* Thanh tab: dưới đáy trên điện thoại, lên đầu trang trên máy tính */
.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; display: flex; justify-content: center; gap: 0; background: rgba(255, 255, 255, 0.97); border-top: 1px solid var(--line); padding: 0 max(8px, env(safe-area-inset-left, 0px)) env(safe-area-inset-bottom) max(8px, env(safe-area-inset-right, 0px)); }
.tabs-brand { display: none; }
.tab { flex: 1; max-width: 160px; text-align: center; padding: 15px 4px 14px; white-space: nowrap; font-size: 12px; font-weight: 500; text-transform: uppercase; color: var(--muted); text-decoration: none; border-top: 2px solid transparent; margin-top: -1px; }
.tab.active { color: var(--ink); border-top-color: var(--navy); }

.toast { position: fixed; left: 16px; right: 16px; bottom: calc(env(safe-area-inset-bottom) + 76px); max-width: 520px; margin: 0 auto; background: var(--navy); color: #fff; padding: 12px 16px; z-index: 20; }
.toast-error { background: var(--red); }

.input.time { width: auto; min-width: 120px; }
#remind .label { width: 100%; }

/* Landing page */
.landing { display: flex; flex-direction: column; gap: 44px; }
.hero { padding-top: 4vh; display: flex; flex-direction: column; gap: 16px; }
.hero h1 { font-size: clamp(32px, 8vw, 48px); line-height: 1.1; margin-top: 12px; }
.hero-sub { font-size: 18px; color: var(--text); max-width: 56ch; }
.hero .row { margin-top: 6px; }
/* Trang viết mẫu trong phần đầu */
.page-demo { margin-top: 12px; background: var(--paper); border: 1px solid var(--line); border-top: 5px solid var(--navy); padding: 18px 20px 22px; box-shadow: 0 18px 40px -28px rgba(30, 42, 90, 0.45); }
.page-demo h3 { font-size: 20px; margin: 2px 0 14px; }
.page-demo .timer { font-size: 15px; padding: 2px 8px; }
.page-demo .lines { display: flex; flex-direction: column; gap: 12px; padding-top: 4px; }
.page-demo .lines span { height: 9px; background: var(--line-soft); }
.page-demo .lines span:nth-child(2) { width: 92%; }
.page-demo .lines span:nth-child(3) { width: 78%; }
.page-demo .lines span:nth-child(4) { width: 40%; background: var(--g-viet-tot-hon); }
.land-block { display: flex; flex-direction: column; gap: 14px; }
.land-block h2 { margin: 0; font-size: 22px; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.land-block.card { padding: 22px 20px; gap: 12px; border-top: 5px solid var(--navy); }
.land-block.card h2 { border: 0; padding: 0; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; display: flex; flex-direction: column; }
.steps li { counter-increment: step; position: relative; padding: 14px 0 14px 40px; border-bottom: 1px solid var(--line); }
.steps li::before { content: '0' counter(step); position: absolute; left: 0; top: 14px; font: 500 13px/1.9 var(--mono); color: var(--muted); }
.steps li b { color: var(--ink); }
.land-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 0; border: 1px solid var(--line); background: var(--card); }
.land-group { padding: 16px 18px; border-bottom: 1px solid var(--line-soft); margin-right: -1px; border-right: 1px solid var(--line-soft); }
.land-group h3 { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 10px; margin-bottom: 4px; }
.sample { background: var(--paper); border-top: 5px solid var(--navy); }
.author { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.avatar { width: 48px; height: 48px; flex: none; display: grid; place-items: center; background: var(--navy); color: #fff; font: 500 14px var(--mono); }
.land-block h2 + .author { border-top: 0; padding-top: 4px; }
.author b { color: var(--ink); }
.author p { margin: 0 0 8px; }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Trang quản lý */
.wait-item { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.wait-item .row { margin: 0; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line-soft); white-space: nowrap; font-variant-numeric: tabular-nums; }
th { font: 500 11px var(--mono); text-transform: uppercase; color: var(--muted); }
textarea.input { min-height: 120px; font-size: 15px; resize: vertical; }

/* Noti bài mới trên Blog: một dòng mảnh */
.blog-noti { display: flex; gap: 10px; align-items: center; text-decoration: none; color: var(--ink); font-size: 15px; padding: 12px 16px; background: var(--card); border: 1px solid var(--line); margin-bottom: 12px; }
.blog-noti:hover { border-color: var(--ink); }
.blog-noti .dot-new { width: 8px; height: 8px; background: var(--red); flex: none; }

/* Máy tính: thanh tab lên đầu trang như Blog, cột rộng hơn chút */
@media (min-width: 900px) {
  .tabs { top: 0; bottom: auto; justify-content: flex-start; align-items: center; gap: 28px; padding: 0 max(24px, calc((100vw - 1040px) / 2)); background: rgba(244, 245, 248, 0.96); border-top: 0; border-bottom: 1px solid var(--line); min-height: 64px; }
  .tabs-brand { display: inline-flex; align-items: center; gap: 10px; margin-right: auto; text-decoration: none; color: var(--ink); font-weight: 600; }
  .tab { flex: none; padding: 22px 0 20px; border-top: 0; border-bottom: 2px solid transparent; margin: 0 0 -1px; font-size: 13px; }
  .tab:hover { color: var(--ink); }
  .tab.active { border-bottom-color: var(--navy); }
  .tabs:not([hidden]) ~ .toast { bottom: 24px; }
  body:has(.tabs:not([hidden])) .view { padding-top: 104px; padding-bottom: 64px; }
  .view { max-width: 680px; }
  .write-top { top: 0; }
  .hero { padding-top: 10vh; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
.pick { width: 20px; height: 20px; flex: none; accent-color: var(--navy); }
.password-note { display: flex; gap: 12px; align-items: center; text-decoration: none; color: var(--ink); background: var(--g-y-tuong); border: 1px solid #ecdca0; padding: 12px 16px; margin-bottom: 12px; font-weight: 500; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.shuffle { margin-top: 14px; }
.shuffle-link { margin-top: 12px; padding: 0; border: 0; background: none; cursor: pointer; color: var(--muted); }
.ai-note { margin: 4px 0 0; }
.locked-lesson { background: var(--g-y-tuong); border-radius: var(--radius); padding: 12px 14px; }
.row-intro { display: block; margin-top: 2px; font-size: 13px; font-weight: 400; color: var(--muted); line-height: 1.45; }
.sw-content-sang { background: #ffe9df; }
.sw-psy-writer { background: #e2f6ec; }

/* Năm viết của bạn: 53 cột tuần x 7 hàng ngày */
.year-grid { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 1fr); gap: 2px; overflow-x: auto; padding-bottom: 4px; }
.yg { width: 9px; height: 9px; background: var(--line); }
.yg.out { visibility: hidden; }
.yg.l1 { background: #b9c3e6; }
.yg.l2 { background: #6f80c4; }
.yg.l3 { background: var(--navy); }
.yg.today { outline: 1px solid var(--ink); }

/* Trang quản lý: danh sách người viết gọn, một dòng mỗi người */
.user-list { margin-top: 12px; border-top: 1px solid var(--line); }
.user-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.user-row .grow { flex: 1 1 220px; min-width: 0; overflow-wrap: anywhere; }
.user-row .btn-small { margin: 0; }
.input-small { width: auto; min-height: 36px; padding: 4px 8px; font-size: 14px; }

/* Quà tặng: danh sách quà đã mua ở trang Gói, thiệp quà ở trang giới thiệu */
.gift-list { display: grid; border-top: 1px solid var(--line); }
#qua h3 { margin: 24px 0 8px; }
.gift-item { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.gift-item .grow { flex: 1 1 220px; min-width: 0; }
.gift-link { overflow-wrap: anywhere; font-family: var(--mono, monospace); }
.gift-card { background: var(--card); border: 1px solid var(--line); border-top: 5px solid var(--navy); padding: 18px; margin: 16px 0; display: grid; gap: 8px; }

/* ===== 66 Ngày Hiệu Suất ===== */
.card h2 { margin-top: 0; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 8px; padding: 0; }
.check { display: flex; gap: 10px; align-items: center; min-height: 40px; cursor: pointer; }
.check input { width: 20px; height: 20px; flex: none; accent-color: var(--navy); }

/* Ngày 0: thanh chấm điểm từng mảng */
.scores { display: flex; flex-direction: column; gap: 4px; margin-top: 10px; }
.score-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(120px, 1.2fr) 28px; align-items: center; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line-soft); }
.score-name { color: var(--ink); font-weight: 500; }
.score-row input[type=range] { width: 100%; accent-color: var(--navy); }
.score-val { font: 600 18px var(--mono); color: var(--ink); text-align: right; }

/* Check-in: thang 1–5 dạng ô bấm */
.scale-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.scale-row label, .mood { position: relative; cursor: pointer; }
.scale-row input, .mood input { position: absolute; opacity: 0; pointer-events: none; }
.scale-row span { display: grid; place-items: center; min-height: 44px; border: 1px solid var(--line); background: var(--card); font: 500 16px var(--mono); color: var(--ink); }
.scale-row input:checked + span, .mood input:checked + span { background: var(--navy); color: #fff; border-color: var(--navy); }
.scale-row input:focus-visible + span, .mood input:focus-visible + span { outline: 2px solid var(--navy-soft); outline-offset: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.mood span { display: inline-block; padding: 8px 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 15px; }
.write-head { margin: 18px 0 0; padding-top: 18px; border-top: 2px solid var(--ink); }
.prompt-line { background: var(--g-viet-tot-hon); border-left: 3px solid var(--navy); padding: 10px 14px; color: var(--ink); font-weight: 500; margin: 0; }
.editor { min-height: 40vh; }

/* Bài học */
.lesson-today .main-title { margin-bottom: 4px; }
.lesson-read { margin: 14px 0 4px; border-top: 1px solid var(--line-soft); padding-top: 12px; }
.lesson-read summary { cursor: pointer; font: 500 13px var(--mono); text-transform: uppercase; letter-spacing: 0.02em; color: var(--ink); }
.lesson-read[open] summary { margin-bottom: 12px; }
.pblock.question { background: var(--g-tri-lieu); border-left: 3px solid #1d6b48; padding: 12px 14px; }
.pblock h4 { margin-bottom: 4px; }
.lesson-body { font-size: 17px; line-height: 1.75; overflow-wrap: anywhere; }
.lesson-body h3 { font-size: 19px; margin: 26px 0 8px; }
.lesson-body p { margin: 10px 0; }
.lesson-body ul, .lesson-body ol { padding-left: 22px; margin: 10px 0; }
.lesson-body li { margin: 4px 0; }
.lesson-body blockquote { margin: 14px 0; padding: 8px 14px; border-left: 3px solid var(--line); color: var(--muted); }
.lesson-body img, .lesson-body iframe { max-width: 100%; height: auto; display: block; margin: 14px 0; border: 1px solid var(--line-soft); }
.lesson-body iframe { aspect-ratio: 16 / 9; width: 100%; }
.media-missing { font: 12px var(--mono); color: var(--muted); text-transform: uppercase; }
.module .row-between h2 { font-size: 17px; }
.module .prompt-list { margin-top: 12px; }
.scale + .scale, .scale + .habits { margin-top: 6px; }
#checkin { gap: 14px; }

/* Ngày 0: câu gợi ý bấm vào để thêm vào ô */
.suggest { margin: -4px 0 6px; }
.suggest .muted { margin: 0 0 6px; }
.suggest-item { font: 14px var(--font); color: var(--ink); background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: 6px 10px; text-align: left; cursor: pointer; }
.suggest-item:hover, .suggest-item:focus-visible { border-color: var(--navy); border-style: solid; }

/* Tuần */
.week-nav { display: flex; gap: 14px; }
.stars { font-size: 26px; letter-spacing: 4px; color: var(--navy); margin: 0 0 6px; }
.week-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin: 14px 0; }
.wd { display: grid; place-items: center; min-height: 40px; border: 1px solid var(--line); background: var(--card); font: 500 12px var(--mono); color: var(--muted); }
.wd.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.wd.future { opacity: 0.45; }
.wd.today { outline: 1px solid var(--ink); outline-offset: 2px; }
.stats { margin: 0; border-top: 1px solid var(--line); }
.stats > div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line-soft); }
.stats dt { color: var(--muted); font-size: 15px; }
.stats dd { margin: 0; font: 600 16px var(--mono); color: var(--ink); }
.habit-week { list-style: none; margin: 10px 0 0; padding: 0; }
.habit-week li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; }
hr.soft { border: 0; border-top: 1px solid var(--line-soft); margin: 6px 0; }
.experiment .row { margin-top: 0; }

/* Hành trình */
.map66 { display: grid; grid-template-columns: repeat(11, 1fr); gap: 5px; margin: 14px 0 10px; }
.map66 .cell { aspect-ratio: 1; background: var(--line-soft); border: 1px solid var(--line); }
.map66 .cell.on { background: var(--navy); border-color: var(--navy); }
.map66 .cell.today { outline: 2px solid var(--navy-soft); outline-offset: 1px; }
.order-list { list-style: none; margin: 0; padding: 0; counter-reset: ord; }
.order-list li { counter-increment: ord; display: flex; align-items: center; gap: 6px; padding: 10px 0; border-top: 1px solid var(--line-soft); }
.order-list li::before { content: counter(ord); font: 500 13px var(--mono); color: var(--muted); width: 18px; flex: none; }
.order-list .btn-small { margin: 0; min-width: 40px; }
.card h4 { margin-top: 14px; }
.tab { font-size: 11px; }
@media (min-width: 900px) { .tab { font-size: 13px; } }

/* Gói học */
.trial-note { display: block; margin-bottom: 12px; color: var(--ink); text-decoration: none; }
.plan ul { padding-left: 20px; }
.admin-flag { color: var(--red); font-weight: 600; }
.admin-link { overflow-wrap: anywhere; font: 13px var(--mono); }

/* Công cụ tương tác trong bài */
.tool { margin-top: 16px; border: 1px solid var(--line); background: var(--paper); padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.tool h4 { margin: 0; }
.wheel-wrap { display: flex; justify-content: center; }
.wheel-svg { width: 100%; max-width: 460px; height: auto; touch-action: manipulation; user-select: none; }
.wh-ring { fill: none; stroke: var(--line-soft); stroke-width: 1; }
.wh-spoke { stroke: var(--line); stroke-width: 1; }
.wh-fill { fill: #6f80c4; fill-opacity: 0.85; stroke: #fff; stroke-width: 1.5; transition: d 0.15s; }
.wh-fill.low { fill: #d9776f; }
.wh-hit { fill: transparent; cursor: pointer; }
.wh-hit:hover { fill: rgba(30, 42, 90, 0.06); }
.wh-prev { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-dasharray: 4 4; pointer-events: none; }
.wh-label { font: 600 13px var(--font); fill: var(--ink); pointer-events: none; }
.wh-label.low { fill: var(--red); font-weight: 700; }
.wheel-sum { background: var(--g-y-tuong); padding: 10px 14px; }
.wheel-sum p { margin: 2px 0; }
.wheel-fine summary { cursor: pointer; }

/* Khung công cụ chung */
.tool .label { margin-top: 6px; }
.pick-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
.pick-cards.compact { grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
.pick-card { display: flex; flex-direction: column; gap: 4px; text-align: left; padding: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: 15px/1.4 var(--font); cursor: pointer; border-radius: var(--radius); }
.pick-card span { color: var(--muted); font-size: 14px; }
.pick-card.on { border-color: var(--navy); background: var(--g-viet-tot-hon); box-shadow: inset 0 0 0 1px var(--navy); }
.pick-after { background: var(--g-tri-lieu); padding: 10px 14px; color: #1d6b48; margin: 4px 0 0; }
.tool-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.tool-list li { display: flex; align-items: flex-start; gap: 8px; }
.tool-list .detail { width: 100%; margin-top: 6px; font-size: 15px; }
.star { flex: none; width: 40px; height: 48px; border: 1px solid var(--line); background: var(--card); font-size: 20px; color: var(--muted); cursor: pointer; }
.star.on { color: #c98a00; border-color: #c98a00; background: var(--g-y-tuong); }
.day-ticks { display: grid; grid-template-columns: repeat(auto-fit, minmax(72px, 1fr)); gap: 6px; }
.day-tick { min-height: 40px; border: 1px solid var(--line); background: var(--card); color: var(--muted); font: 500 12px var(--mono); cursor: pointer; }
.day-tick.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.timer-box { display: flex; align-items: center; gap: 12px; }
.editor-small { min-height: 200px; font-size: 17px; line-height: 1.7; }
.okr .kr { border-top: 1px solid var(--line-soft); padding-top: 8px; }
.okr .act { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.okr .act .input:first-child { flex: 1; min-width: 0; }
.okr .hours { width: 72px; }
.load { padding: 10px 14px; margin: 4px 0; }
.load.ok { background: var(--g-tri-lieu); color: #1d6b48; }
.load.warn { background: #fde8e6; color: var(--red); }

/* Câu hay của bài: lưu thành ảnh để chia sẻ */
.quote-card { margin: 16px 0 0; padding: 18px; border: 1px solid var(--line); background: var(--card); }
.quote-card blockquote { margin: 0; font-size: 19px; font-weight: 600; line-height: 1.5; color: var(--ink); }
.quote-card blockquote::before { content: '“'; } .quote-card blockquote::after { content: '”'; }
.quote-card figcaption { margin: 8px 0 12px; font-size: 13px; color: var(--muted); }
.streak { margin: 4px 0 0; font-weight: 600; color: var(--ink); }

/* Lớp động lực: lời chào, câu mở bài, gần đích, huy hiệu */
.greet { margin: 2px 0 0; color: var(--text); }
.hook { margin: 10px 0; font-style: italic; color: var(--ink); }
.near-goal { margin: 6px 0; font: 500 13px var(--mono); color: var(--navy); }
.quote-card.badge h2 { margin: 4px 0 8px; }
.badges { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.badges li { display: grid; gap: 2px; padding: 10px 12px; border: 1px solid var(--line); color: var(--muted); }
.badges li.earned { border-color: var(--navy); color: var(--ink); background: var(--g-viet-tot-hon); }
.badge-day { font: 500 12px var(--mono); text-transform: uppercase; }