/* Giao diện trang công khai — tối giản, ưu tiên điện thoại, sáng/tối tự động. */
/* Bảng màu theo nhận diện fanpage Non-Toxic Kitchen (09/10/2026):
   xanh lá đậm #1F4D3A · kem #F6F1E7 · lá xanh nhạt #8FBC8F · trắng. */
:root {
  --accent: #1f4d3a;
  --accent-ink: #ffffff;
  --leaf: #8fbc8f;
  --bg: #f6f1e7;
  --bg-2: #ede6d8;
  --card: #ffffff;
  --ink: #16281f;
  --ink-soft: #3f5449;
  --muted: #74857b;
  --line: #ddd5c4;
  --good: #2f6b4f;
  --good-soft: #e2efe3;
  --warn: #9a5b1c;
  --warn-soft: #f7e7d3;
  --shadow: 0 1px 2px rgba(22, 40, 31, 0.06), 0 10px 28px -16px rgba(22, 40, 31, 0.28);
  --r: 16px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --accent: #8fbc8f;
    --accent-ink: #10231a;
    --leaf: #8fbc8f;
    --bg: #11211a;
    --bg-2: #182d23;
    --card: #1c3328;
    --ink: #f1efe6;
    --ink-soft: #cfd6cd;
    --muted: #93a398;
    --line: #2d4a3b;
    --good: #a9d6b2;
    --good-soft: #1f3a2d;
    --warn: #f0b06f;
    --warn-soft: #3b2d1c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 10px 28px -16px rgba(0, 0, 0, 0.6);
  }
}
:root[data-theme='dark'] {
  --accent: #8fbc8f;
  --accent-ink: #10231a;
  --leaf: #8fbc8f;
  --bg: #11211a;
  --bg-2: #182d23;
  --card: #1c3328;
  --ink: #f1efe6;
  --ink-soft: #cfd6cd;
  --muted: #93a398;
  --line: #2d4a3b;
  --good: #a9d6b2;
  --good-soft: #1f3a2d;
  --warn: #f0b06f;
  --warn-soft: #3b2d1c;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; text-wrap: balance; }
h1 { font-size: clamp(26px, 5vw, 38px); }
h2 { font-size: clamp(20px, 3.4vw, 26px); }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }
.khung-trong { max-width: 1040px; margin-inline: auto; padding-inline: 16px; }
.an-nhin { position: absolute; left: -9999px; }
.giua { text-align: center; }
.trong { color: var(--muted); text-align: center; padding: 40px 0; }

/* Đầu trang */
.dau { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 5; }
.hang { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.logo { font-weight: 800; font-size: 20px; color: var(--ink); display: inline-flex; align-items: center; gap: 10px; letter-spacing: -0.01em; text-transform: lowercase; }
.logo:hover { text-decoration: none; }
.logo-la { width: 34px; height: 34px; border-radius: 9px; background: var(--accent); display: inline-grid; place-items: center; flex: 0 0 auto; }
.logo-la svg { width: 22px; height: 22px; display: block; }
.logo-com { color: var(--leaf); font-weight: 600; }
.menu { display: flex; gap: 18px; font-weight: 600; font-size: 15px; }
.menu a { color: var(--ink-soft); }

/* Trang chủ */
.hero { padding: 44px 0 20px; max-width: 760px; position: relative; }
.hero h1 { color: var(--accent); }
.hero-mo-ta { color: var(--ink-soft); font-size: 18px; }
.hero-la { position: absolute; right: 0; top: 36px; width: 110px; height: 110px; opacity: 0.9; }
.hero-la svg { width: 100%; height: 100%; display: block; }
@media (max-width: 760px) { .hero-la { display: none; } }
.khoi { padding: 22px 0; }
.chip-hang { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; font-weight: 600; color: var(--ink); font-size: 15px; }
.chip span { color: var(--muted); font-weight: 500; margin-left: 4px; }
.luoi { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }

/* Thẻ sản phẩm */
.the-sp { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.the-anh { display: block; aspect-ratio: 4 / 3; background: #fff; padding: 14px; }
.the-anh img { width: 100%; height: 100%; object-fit: contain; }
.anh-trong { display: block; width: 100%; height: 100%; background: var(--bg-2); border-radius: 8px; }
.the-than { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.nhan { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.the-than h3 a { color: var(--ink); }
.tom-tat { color: var(--ink-soft); font-size: 15px; margin: 0; flex: 1; }
.the-chan { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.diem { font-size: 14px; color: var(--muted); }
.diem b { font-size: 20px; color: var(--ink); }
.lien-ket-nho { font-weight: 600; font-size: 14px; }

/* Nút */
.nut { display: inline-block; background: var(--accent); color: var(--accent-ink); font-weight: 700; padding: 12px 20px; border-radius: 12px; border: 0; cursor: pointer; }
.nut:hover { text-decoration: none; filter: brightness(1.08); }
.nut.phu { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.nut-mua.lon { font-size: 18px; padding: 15px 26px; width: 100%; text-align: center; }

/* Bài đánh giá */
.bai { padding: 24px 0 10px; max-width: 860px; }
.duong-dan { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.meta { color: var(--muted); font-size: 14px; }
.bai-dau { display: grid; grid-template-columns: 1fr; gap: 22px; margin: 18px 0 26px; }
@media (min-width: 760px) { .bai-dau { grid-template-columns: 1.05fr 1fr; align-items: start; } }
.thu-vien { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
.thu-vien #anh-chinh { width: 100%; aspect-ratio: 1; object-fit: contain; }
.anh-nho { display: flex; gap: 8px; margin-top: 12px; overflow-x: auto; }
.anh-nho button { flex: 0 0 64px; height: 64px; padding: 4px; background: #fff; border: 2px solid var(--line); border-radius: 10px; cursor: pointer; }
.anh-nho button.dang-chon { border-color: var(--accent); }
.anh-nho img { width: 100%; height: 100%; object-fit: contain; }
.hop-ket-luan { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; box-shadow: var(--shadow); }
.diem-lon { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.diem-lon b { font-size: 44px; line-height: 1; color: var(--accent); }
.diem-lon span { font-size: 13px; color: var(--muted); line-height: 1.25; }
.tom-tat-lon { font-size: 17px; color: var(--ink); }
.sao { color: var(--ink-soft); font-size: 15px; margin-bottom: 4px; }
.gia { font-size: 15px; margin-bottom: 14px; }
.gia b { font-size: 22px; }
.gia span { color: var(--muted); }
.ghi-chu { font-size: 12.5px; color: var(--muted); margin: 10px 0 0; }
.uu-nhuoc { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 24px; }
@media (min-width: 640px) { .uu-nhuoc { grid-template-columns: 1fr 1fr; } }
.cot { border-radius: var(--r); padding: 18px 20px; }
.cot h2 { font-size: 17px; }
.cot ul { margin: 0; padding-left: 20px; }
.cot li { margin-bottom: 6px; }
.uu { background: var(--good-soft); color: var(--ink); }
.uu h2 { color: var(--good); }
.nhuoc { background: var(--warn-soft); }
.nhuoc h2 { color: var(--warn); }
.danh-cho { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; margin-bottom: 26px; }
.danh-cho h2 { font-size: 17px; }
.danh-cho p { margin: 0; }
.noi-dung { font-size: 17px; }
.noi-dung h2 { margin-top: 1.4em; }
.noi-dung h3 { margin-top: 1.2em; }
.noi-dung blockquote { border-left: 4px solid var(--accent); margin: 1em 0; padding: 6px 16px; color: var(--ink-soft); background: var(--bg-2); border-radius: 0 10px 10px 0; }
.noi-dung code { background: var(--bg-2); padding: 2px 6px; border-radius: 6px; font-size: 0.9em; }
.video { margin-top: 28px; }
.video-luoi { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 720px) { .video-luoi { grid-template-columns: 1fr 1fr; } }
.video-o { aspect-ratio: 16 / 9; border-radius: var(--r); overflow: hidden; background: #000; }
.video-o iframe { width: 100%; height: 100%; border: 0; }
.cta-cuoi { margin: 34px 0 26px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; text-align: center; box-shadow: var(--shadow); }
.cta-cuoi .diem { margin-bottom: 12px; }
.tac-gia { border-top: 1px solid var(--line); padding-top: 18px; color: var(--ink-soft); font-size: 15px; }
.tac-gia h2 { font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* Trang tĩnh */
.trang-tinh { padding: 30px 0; max-width: 760px; font-size: 17px; }

/* Chân trang */
.chan { border-top: 1px solid var(--line); margin-top: 40px; padding: 26px 0 36px; color: var(--muted); font-size: 14px; }
.cong-bo-ngan { max-width: 720px; }
.chan-lien-ket a { color: var(--ink-soft); }
.ban-quyen { margin: 0; }