:root {
  /* Bảng màu "Nắng sớm": vàng nắng làm màu chính, xanh lá và hồng làm màu phụ */
  --bg: #fffbf0;
  --surface: #ffffff;
  --surface-2: #fdf1d6;
  --text: #2b2118;
  --muted: #74675a;
  --line: #f1e3c4;
  --accent: #b45309;
  --accent-soft: #fef3c7;
  --sun: #f59e0b;
  --sun-2: #f97316;
  --sun-ink: #2b1a05;
  --leaf: #15803d;
  --warn: #be123c;
  --warn-soft: #ffe4e6;
  --vn: #1d4f8c;
  --vn-soft: #e3ecf8;
  --life: #c2410c;
  --life-soft: #ffedd5;
  --time: #2463a6;
  --time-soft: #e0eaf6;
  --money: #15803d;
  --money-soft: #dcfce7;
  --freedom: #7a3fa0;
  --freedom-soft: #eee3f5;
  --shadow: 0 1px 2px rgba(120, 70, 0, .06), 0 6px 20px rgba(120, 70, 0, .07);
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17130d; --surface: #201a12; --surface-2: #2b2317; --text: #f6eedf; --muted: #b3a690; --line: #3a3021;
    --accent: #fbbf24; --accent-soft: #3a2c0c; --sun: #f59e0b; --sun-2: #f97316; --sun-ink: #1f1405; --leaf: #4ade80;
    --warn: #fb7185; --warn-soft: #3b1820; --vn: #93bcf2; --vn-soft: #1b2839;
    --life: #fb923c; --life-soft: #3b2212; --time: #8cb6ef; --time-soft: #1c2738;
    --money: #4ade80; --money-soft: #16301f; --freedom: #c9a1ea; --freedom-soft: #2d2238;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #17130d; --surface: #201a12; --surface-2: #2b2317; --text: #f6eedf; --muted: #b3a690; --line: #3a3021;
  --accent: #fbbf24; --accent-soft: #3a2c0c; --sun: #f59e0b; --sun-2: #f97316; --sun-ink: #1f1405; --leaf: #4ade80;
  --warn: #fb7185; --warn-soft: #3b1820; --vn: #93bcf2; --vn-soft: #1b2839;
  --life: #fb923c; --life-soft: #3b2212; --time: #8cb6ef; --time-soft: #1c2738;
  --money: #4ade80; --money-soft: #16301f; --freedom: #c9a1ea; --freedom-soft: #2d2238;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3); color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 2px; }
button { font: inherit; color: inherit; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }

/* Thanh trên cùng */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--text); text-decoration: none; letter-spacing: -.02em; }
.logo { width: 28px; height: 28px; display: block; }
.top nav { display: flex; align-items: center; gap: 18px; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; }
.top nav a:hover { color: var(--text); }
.icon-btn { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; color: var(--muted); }
.icon-btn:hover { color: var(--text); }

/* Phần đầu */
.hero { padding: 48px 0 8px; }
.hero-in { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; }
.eyebrow { margin: 0 0 12px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--leaf); }
.hero h1 { margin: 0 0 16px; font-size: clamp(40px, 7vw, 68px); line-height: 1.02; letter-spacing: -.04em; font-weight: 800; }
.hero h1 span { color: var(--accent); }
.lead { margin: 0 0 24px; font-size: 18px; color: var(--muted); max-width: 560px; }
.lead strong { color: var(--text); }
.starts { display: flex; flex-wrap: wrap; gap: 10px; }
.start { border: 0; background: var(--sun); color: var(--sun-ink); font-weight: 600; padding: 12px 18px; border-radius: 12px; cursor: pointer; box-shadow: var(--shadow); }
.start.ghost { background: var(--surface); color: var(--text); border: 1px solid var(--line); }
.start:hover { filter: brightness(1.05); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; }
.stats div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stats dt { font-size: 30px; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.stats dd { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.sos { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 28px; font-size: 14px; color: var(--muted); }
.sos > span { font-weight: 600; margin-right: 4px; }
.sos a { display: inline-flex; gap: 6px; align-items: baseline; text-decoration: none; color: var(--text); background: var(--warn-soft); border-radius: 999px; padding: 5px 13px; }
.sos b { color: var(--warn); font-weight: 800; }

/* Chủ đề */
.sec { font-size: 22px; letter-spacing: -.02em; margin: 44px 0 14px; }
.topics { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.topic { text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; cursor: pointer; display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: center; transition: transform .12s, border-color .12s; }
.topic:hover { transform: translateY(-1px); border-color: var(--accent); }
.topic[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.topic .num { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-weight: 700; font-size: 13px; background: var(--surface-2); }
.topic.m-life .num { background: var(--life-soft); color: var(--life); }
.topic.m-time .num { background: var(--time-soft); color: var(--time); }
.topic.m-money .num { background: var(--money-soft); color: var(--money); }
.topic.m-freedom .num { background: var(--freedom-soft); color: var(--freedom); }
.topic .t { font-weight: 600; font-size: 14px; line-height: 1.3; }
.topic .c { display: block; color: var(--muted); font-size: 12px; font-weight: 400; margin-top: 2px; }

/* Thanh tìm và lọc */
.toolbar { position: sticky; top: 58px; z-index: 5; display: flex; gap: 10px; padding: 14px 0 10px; margin-top: 36px; background: var(--bg); }
.search { flex: 1; position: relative; }
.search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }
#q { width: 100%; font: inherit; padding: 12px 14px 12px 42px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
#q:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.filter-btn { border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 0 16px; font-weight: 600; cursor: pointer; display: none; align-items: center; gap: 8px; }
.badge { background: var(--sun); color: var(--sun-ink); border-radius: 999px; font-size: 12px; padding: 0 7px; }
.filters { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: grid; gap: 12px; }
.row { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.label { font-size: 13px; color: var(--muted); min-width: 108px; font-weight: 500; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; }
.chips button, select { font-size: 14px; border: 1px solid var(--line); background: var(--bg); border-radius: 999px; padding: 5px 13px; cursor: pointer; }
select { border-radius: 10px; padding: 6px 10px; max-width: 100%; color: var(--text); font-family: inherit; }
.chips button[aria-pressed="true"] { background: var(--text); border-color: var(--text); color: var(--bg); }
.chips .m-life[aria-pressed="true"] { background: var(--life); border-color: var(--life); }
.chips .m-time[aria-pressed="true"] { background: var(--time); border-color: var(--time); }
.chips .m-money[aria-pressed="true"] { background: var(--money); border-color: var(--money); }
.chips .m-freedom[aria-pressed="true"] { background: var(--freedom); border-color: var(--freedom); }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; text-decoration: underline; font-size: 14px; padding: 0; }

.status { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; margin: 16px 2px 10px; flex-wrap: wrap; }
.done-meter { display: inline-flex; align-items: center; gap: 10px; }
.meter { width: 120px; height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--sun), var(--leaf)); transition: width .3s; }

/* Danh sách */
.list { display: grid; gap: 10px; }
.group { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 18px 4px 2px; }
.group:first-child { margin-top: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--line); border-radius: var(--radius); scroll-margin-top: 140px; box-shadow: var(--shadow); transition: border-color .15s; }
.card.m-life { border-left-color: var(--life); }
.card.m-time { border-left-color: var(--time); }
.card.m-money { border-left-color: var(--money); }
.card.m-freedom { border-left-color: var(--freedom); }
.card.done { opacity: .6; }
.card summary { list-style: none; cursor: pointer; padding: 14px 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: start; }
.card summary::-webkit-details-marker { display: none; }
.card summary::after { content: ""; width: 10px; height: 10px; margin-top: 8px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .15s; }
.card[open] summary::after { transform: rotate(-135deg); margin-top: 12px; }
.check { width: 22px; height: 22px; margin-top: 3px; accent-color: var(--leaf); cursor: pointer; }
.card h3 { margin: 0 0 8px; font-size: 16.5px; line-height: 1.45; font-weight: 600; }
.card.done h3 { text-decoration: line-through; text-decoration-color: var(--muted); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 12.5px; align-items: center; color: var(--muted); }
.tag { border-radius: 6px; padding: 1px 8px; background: var(--surface-2); color: var(--muted); font-weight: 600; font-size: 12px; }
.tag.ev-A { background: var(--accent-soft); color: var(--accent); }
.tag.ev-B { background: var(--vn-soft); color: var(--vn); }
.tag.ev-C { background: var(--surface-2); color: var(--muted); }
.mtag { font-weight: 600; }
.mtag.m-life { color: var(--life); } .mtag.m-time { color: var(--time); } .mtag.m-money { color: var(--money); } .mtag.m-freedom { color: var(--freedom); }
.big { color: var(--accent); font-weight: 600; }
.cost { display: inline-flex; align-items: center; gap: 5px; }
.cost-dots { display: inline-flex; gap: 2px; }
.cost-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.cost-dots i.on { background: var(--muted); }
.vn-chip { font-size: 11.5px; font-weight: 600; color: var(--vn); background: var(--vn-soft); border-radius: 6px; padding: 1px 7px; }

.body { padding: 0 16px 18px 52px; }
.body .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px; }
.body h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 14px 0 4px; }
.body p { margin: 0; }
.vn { background: var(--vn-soft); border-radius: 10px; padding: 10px 14px; margin-top: 14px; }
.vn h4 { color: var(--vn); margin-top: 0; }
.src { font-size: 13px; overflow-wrap: anywhere; }
.src a { display: block; }
.share { margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.share button { background: var(--surface-2); border: 0; border-radius: 8px; padding: 4px 10px; color: var(--text); cursor: pointer; font-size: 13px; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.more { display: block; margin: 18px auto 0; border: 1px solid var(--line); background: var(--surface); padding: 10px 22px; border-radius: 12px; font-weight: 600; cursor: pointer; }

/* Giới thiệu */
.about { margin-top: 64px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.about h2 { font-size: 20px; margin: 0 0 12px; letter-spacing: -.01em; }
.legend { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 8px; font-size: 14px; }
.legend li { display: flex; gap: 10px; align-items: center; }
.warn { background: var(--warn-soft); color: var(--warn); border-radius: 10px; padding: 10px 14px; font-size: 14px; }
.foot { margin-top: 48px; border-top: 1px solid var(--line); padding: 22px 0 36px; color: var(--muted); font-size: 13px; }

@media (max-width: 760px) {
  .hero { padding-top: 28px; }
  .hero-in { grid-template-columns: 1fr; gap: 24px; }
  .stats dt { font-size: 24px; }
  .about-grid { grid-template-columns: 1fr; padding: 20px; }
  .body .grid { grid-template-columns: 1fr; }
  .filter-btn { display: inline-flex; }
  .filters { display: none; }
  .filters.open { display: grid; }
  .label { min-width: 100%; }
  .body { padding-left: 16px; }
  .top nav a { display: none; }
  .topics { grid-template-columns: 1fr 1fr; }
  .topic { grid-template-columns: 1fr; gap: 6px; }
}

/* Chân trang: các kênh */
.follow { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.social { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--text); text-decoration: none; font-weight: 500; font-size: 13px; }
.social:hover { border-color: var(--accent); }
.foot p { margin: 0; }

/* Trang riêng của từng mục */
.page { padding-top: 24px; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.crumb a { color: var(--muted); }
.card.single { padding: 8px 0 4px; }
.single-in { padding: 14px 20px 10px; }
.single h1 { font-size: clamp(24px, 4vw, 32px); line-height: 1.25; letter-spacing: -.02em; margin: 0 0 12px; }
.single .body { padding: 0; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; }
.pager a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; color: var(--text); text-decoration: none; font-weight: 500; font-size: 14px; line-height: 1.4; }
.pager a:hover { border-color: var(--accent); }
.pager small { display: block; color: var(--muted); font-weight: 400; margin-bottom: 4px; }
.pager .next { text-align: right; }
.cta { display: block; text-align: center; text-decoration: none; margin: 8px 0 0; }

/* Trang /links (link-in-bio) */
.links-page { min-height: 100vh; }
.links-wrap { max-width: 460px; margin: 0 auto; padding: 48px 16px 32px; text-align: center; }
.links-logo { width: 80px; height: 80px; display: block; margin: 0 auto 14px; }
.links-wrap h1 { margin: 0; font-size: 28px; letter-spacing: -.02em; }
.links-wrap .lead { margin: 4px 0 24px; font-size: 15px; }
.link-btn { display: flex; align-items: center; gap: 12px; padding: 14px 18px; margin: 0 0 10px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--text); text-decoration: none; font-weight: 600; box-shadow: var(--shadow); text-align: left; }
.link-btn span { flex: 1; }
.link-btn:hover { border-color: var(--accent); }
.link-btn.primary { background: var(--sun); color: var(--sun-ink); border-color: var(--sun); }
.links-foot { margin-top: 24px; font-size: 12px; color: var(--muted); }

@media (max-width: 560px) {
  .pager { grid-template-columns: 1fr; }
  .pager .next { text-align: left; }
}