/* LOLO — Cẩm nang + Khoá học. Scoped :is(#camnangTool, #khoahocTool), đồng bộ palette app (navy + kem). */
:is(#camnangTool, #khoahocTool) {
  --cn-ink: #293D33;
  --cn-ink-2: #33414e;
  --cn-muted: #667581;
  --cn-primary: #469F4C;
  --cn-primary-soft: #e6eef6;
  --cn-soft: #f7f3ea;
  --cn-border: #e6ded0;
  --cn-quy1: #4f7a45;
  --cn-quy2: #469F4C;
  --cn-quy3: #3f8f86;
  --cn-sinh-no: #7a5aa0;
  --cn-song-thai: #a9762a;
  --cn-moi-luc: #b1423c;
  width: min(100%, 1180px);
  margin: 8px auto;
  color: var(--cn-ink);
  font-family: "Be Vietnam Pro", "Inter", sans-serif;
  line-height: 1.65;
}
:is(#camnangTool, #khoahocTool) * { box-sizing: border-box; }

:is(#camnangTool, #khoahocTool) .cn-intro { margin: 0 0 18px; color: var(--cn-ink-2); font-size: 1.05rem; }
:is(#camnangTool, #khoahocTool) .cn-intro strong { color: var(--cn-ink); }

/* home: 5 chủ đề */
:is(#camnangTool, #khoahocTool) .cn-home { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
:is(#camnangTool, #khoahocTool) .cn-home-card {
  display: flex; align-items: center; gap: 16px; text-align: left; padding: 18px 20px;
  background: #fff; border: 1px solid var(--cn-border); border-left: 5px solid var(--cn-muted);
  border-radius: 18px; cursor: pointer; box-shadow: 0 8px 22px rgba(41,61,51, .06);
  transition: transform .16s, box-shadow .16s; font: inherit; color: inherit;
}
:is(#camnangTool, #khoahocTool) .cn-home-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(41,61,51, .13); }
:is(#camnangTool, #khoahocTool) .cn-sec-quy-1 { border-left-color: var(--cn-quy1); }
:is(#camnangTool, #khoahocTool) .cn-sec-quy-2 { border-left-color: var(--cn-quy2); }
:is(#camnangTool, #khoahocTool) .cn-sec-quy-3 { border-left-color: var(--cn-quy3); }
:is(#camnangTool, #khoahocTool) .cn-sec-sinh-no { border-left-color: var(--cn-sinh-no); }
:is(#camnangTool, #khoahocTool) .cn-sec-song-thai { border-left-color: var(--cn-song-thai); }
:is(#camnangTool, #khoahocTool) .cn-sec-moi-luc { border-left-color: var(--cn-moi-luc); }
:is(#camnangTool, #khoahocTool) .cn-home-emoji { font-size: 2.4rem; line-height: 1; flex: 0 0 auto; }
:is(#camnangTool, #khoahocTool) .cn-home-body { display: flex; flex-direction: column; gap: 3px; }
:is(#camnangTool, #khoahocTool) .cn-home-title { font-family: "Playfair Display", "Be Vietnam Pro", Georgia, serif; font-size: 1.3rem; font-weight: 700; color: var(--cn-ink); line-height: 1.15; }
:is(#camnangTool, #khoahocTool) .cn-home-sub { color: var(--cn-ink-2); font-size: .93rem; }
:is(#camnangTool, #khoahocTool) .cn-home-count { margin-top: 3px; color: var(--cn-primary); font-weight: 700; font-size: .9rem; }

/* Nút mở công cụ từ trong bài cẩm nang ([[CONGCU:hash]]) — 09/08/2026 */
:is(#camnangTool, #khoahocTool) .cn-congcu-cta { margin: 18px 0; text-align: center; }
:is(#camnangTool, #khoahocTool) .cn-congcu-btn {
  display: inline-block; padding: 13px 22px; border-radius: 999px;
  background: linear-gradient(135deg, #57B863, #469F4C); color: #fff;
  font-weight: 700; text-decoration: none; font-size: .98rem;
  box-shadow: 0 6px 16px rgba(70, 159, 76, .28);
}
:is(#camnangTool, #khoahocTool) .cn-congcu-btn:hover { background: #37813C; }

/* nút quay lại to rõ (09/08/2026 — user cần bấm dễ, breadcrumb giữ làm phụ) */
:is(#camnangTool, #khoahocTool) .cn-back {
  display: inline-block; margin: 0 0 12px; padding: 9px 16px;
  border: 1px solid var(--cn-line, #e5ddcd); border-radius: 999px;
  background: #fff; color: var(--cn-primary); font: inherit; font-weight: 700;
  font-size: .92rem; cursor: pointer; box-shadow: 0 2px 6px rgba(41, 61, 51, .06);
}
:is(#camnangTool, #khoahocTool) .cn-back:hover { background: var(--cn-primary); color: #fff; }

/* breadcrumb */
:is(#camnangTool, #khoahocTool) .cn-crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 0 16px; font-size: .9rem; }
:is(#camnangTool, #khoahocTool) .cn-crumb-link { background: none; border: 0; padding: 0; color: var(--cn-primary); font-weight: 600; cursor: pointer; font: inherit; }
:is(#camnangTool, #khoahocTool) .cn-crumb-link:hover { text-decoration: underline; }
:is(#camnangTool, #khoahocTool) .cn-crumb-sep { color: var(--cn-muted); }
:is(#camnangTool, #khoahocTool) .cn-crumb-cur { color: var(--cn-ink); font-weight: 700; }

/* section head */
:is(#camnangTool, #khoahocTool) .cn-sec-head { display: flex; align-items: center; gap: 16px; padding: 16px 18px; margin: 0 0 18px; border-radius: 18px; background: var(--cn-soft); border: 1px solid var(--cn-border); }
:is(#camnangTool, #khoahocTool) .cn-sec-emoji { font-size: 2.2rem; }
:is(#camnangTool, #khoahocTool) .cn-sec-title { margin: 0; font-family: "Playfair Display", "Be Vietnam Pro", Georgia, serif; font-size: 1.6rem; font-weight: 700; color: var(--cn-ink); }
:is(#camnangTool, #khoahocTool) .cn-sec-sub { margin: 2px 0 0; color: var(--cn-ink-2); font-size: .95rem; }

/* module cards */
:is(#camnangTool, #khoahocTool) .cn-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
:is(#camnangTool, #khoahocTool) .cn-card { display: flex; flex-direction: column; text-align: left; padding: 0; overflow: hidden; background: #fff; border: 1px solid var(--cn-border); border-radius: 16px; cursor: pointer; box-shadow: 0 6px 18px rgba(41,61,51, .06); transition: transform .16s, box-shadow .16s; font: inherit; color: inherit; }
:is(#camnangTool, #khoahocTool) .cn-card:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(41,61,51, .12); }
:is(#camnangTool, #khoahocTool) .cn-card-art { display: block; aspect-ratio: 3 / 2; overflow: hidden; background: var(--cn-soft); }
:is(#camnangTool, #khoahocTool) .cn-card-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
:is(#camnangTool, #khoahocTool) .cn-card-body { padding: 13px 15px 15px; display: flex; flex-direction: column; gap: 7px; }
:is(#camnangTool, #khoahocTool) .cn-card-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
:is(#camnangTool, #khoahocTool) .cn-card-title { font-weight: 700; color: var(--cn-ink); font-size: 1.06rem; line-height: 1.25; }
:is(#camnangTool, #khoahocTool) .cn-card-line { color: var(--cn-ink-2); font-size: .9rem; line-height: 1.45; }
:is(#camnangTool, #khoahocTool) .cn-card-go { color: var(--cn-primary); font-weight: 700; font-size: .88rem; }

/* tier badge */
:is(#camnangTool, #khoahocTool) .cn-tier { font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
:is(#camnangTool, #khoahocTool) .cn-tier.free { color: var(--cn-quy1); background: #eef3e8; }
:is(#camnangTool, #khoahocTool) .cn-tier.locked { color: var(--cn-primary); background: var(--cn-primary-soft); }

/* detail */
:is(#camnangTool, #khoahocTool) .cn-detail { background: #fff; border: 1px solid var(--cn-border); border-radius: 20px; overflow: hidden; box-shadow: 0 12px 30px rgba(41,61,51, .08); }
:is(#camnangTool, #khoahocTool) .cn-detail-art { height: clamp(190px, 32vw, 320px); overflow: hidden; background: var(--cn-soft); }
:is(#camnangTool, #khoahocTool) .cn-detail-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
:is(#camnangTool, #khoahocTool) .cn-detail-body { padding: 22px clamp(18px, 4vw, 34px) 28px; }
:is(#camnangTool, #khoahocTool) .cn-detail-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
:is(#camnangTool, #khoahocTool) .cn-detail-title { margin: 0; font-family: "Playfair Display", "Be Vietnam Pro", Georgia, serif; font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 700; color: var(--cn-ink); line-height: 1.12; }
:is(#camnangTool, #khoahocTool) .cn-detail-key { margin: 0 0 14px; padding: 10px 14px; border-radius: 12px; background: var(--cn-primary-soft); color: var(--cn-ink-2); font-weight: 600; }
:is(#camnangTool, #khoahocTool) .cn-detail-teaser { margin: 0 0 14px; color: var(--cn-ink-2); font-size: 1.06rem; line-height: 1.6; }
:is(#camnangTool, #khoahocTool) .cn-detail-note { margin: 18px 0 0; color: var(--cn-muted); font-size: .84rem; }

/* video YouTube cuối bài (bác Tú giảng) */
:is(#camnangTool, #khoahocTool) .cn-video { margin: 22px 0 6px; border: 1px solid var(--cn-border); border-radius: 16px; overflow: hidden; background: var(--cn-soft); }
:is(#camnangTool, #khoahocTool) .cn-video-h { padding: 12px 16px; font-weight: 700; color: var(--cn-ink); font-size: 1rem; background: #fff; border-bottom: 1px solid var(--cn-border); }
:is(#camnangTool, #khoahocTool) .cn-video-fac { display: block; width: 100%; border: 0; padding: 0; margin: 0; position: relative; aspect-ratio: 16 / 9; background-size: cover; background-position: center; background-color: #0b1f18; cursor: pointer; }
:is(#camnangTool, #khoahocTool) .cn-video-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 70px; height: 49px; border-radius: 13px; background: rgba(200, 30, 30, .92); transition: background .16s, transform .16s; }
:is(#camnangTool, #khoahocTool) .cn-video-play::after { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-40%, -50%); border-style: solid; border-width: 11px 0 11px 19px; border-color: transparent transparent transparent #fff; }
:is(#camnangTool, #khoahocTool) .cn-video-fac:hover .cn-video-play { background: rgba(230, 30, 30, 1); transform: translate(-50%, -50%) scale(1.06); }
:is(#camnangTool, #khoahocTool) .cn-video-frame { position: relative; aspect-ratio: 16 / 9; background: #000; }
:is(#camnangTool, #khoahocTool) .cn-video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
:is(#camnangTool, #khoahocTool) .cn-video-yt { display: inline-block; padding: 9px 16px; font-size: .86rem; font-weight: 600; color: var(--cn-primary); text-decoration: none; }
:is(#camnangTool, #khoahocTool) .cn-video-yt:hover { text-decoration: underline; }

/* deep content */
:is(#camnangTool, #khoahocTool) .cn-deep { color: var(--cn-ink-2); font-size: 1rem; line-height: 1.7; }
:is(#camnangTool, #khoahocTool) .cn-deep p { margin: 0 0 10px; }
:is(#camnangTool, #khoahocTool) .cn-deep ul { margin: 0 0 10px; padding-left: 20px; }
:is(#camnangTool, #khoahocTool) .cn-deep li { margin: 3px 0; }
:is(#camnangTool, #khoahocTool) .cn-deep strong { color: var(--cn-ink); }
:is(#camnangTool, #khoahocTool) .cn-h { margin: 16px 0 6px; color: var(--cn-ink); font-size: 1.08rem; font-weight: 700; }
:is(#camnangTool, #khoahocTool) .cn-h:first-child { margin-top: 0; }

/* locked */
:is(#camnangTool, #khoahocTool) .cn-locked { border: 1px solid var(--cn-border); border-radius: 14px; padding: 16px 18px; background: var(--cn-soft); }
:is(#camnangTool, #khoahocTool) .cn-locked-intro { margin: 0 0 8px; color: var(--cn-primary); font-weight: 700; }
:is(#camnangTool, #khoahocTool) .cn-locked-toc { margin: 0 0 6px; padding-left: 20px; color: var(--cn-ink-2); }
:is(#camnangTool, #khoahocTool) .cn-locked-toc li { margin: 5px 0; font-weight: 600; }
:is(#camnangTool, #khoahocTool) .cn-locked-preview { color: var(--cn-ink-2); margin: 0; -webkit-mask-image: linear-gradient(to bottom, #000 45%, transparent); mask-image: linear-gradient(to bottom, #000 45%, transparent); }
:is(#camnangTool, #khoahocTool) .cn-locked-cta p { color: var(--cn-muted); font-size: .92rem; margin: 12px 0 12px; }
:is(#camnangTool, #khoahocTool) .cn-unlock { background: var(--cn-primary); color: #fff; border: none; border-radius: 12px; padding: 12px 20px; font-weight: 700; cursor: pointer; font-size: 1rem; }
:is(#camnangTool, #khoahocTool) .cn-unlock:hover { background: #163a58; }

:is(#camnangTool, #khoahocTool) .cn-empty { color: var(--cn-muted); font-style: italic; }

@media (max-width: 720px) {
  :is(#camnangTool, #khoahocTool) .cn-home { grid-template-columns: 1fr; }
  :is(#camnangTool, #khoahocTool) .cn-grid { grid-template-columns: 1fr; }
}