/* Bảng màu lấy đúng từ ứng dụng (lib/core/theme/app_theme.dart) để trang web và
   app trông như một sản phẩm. Đổi màu ở đây thì đổi cả hai nơi. */
:root{
  --bg:#f4f7fa; --card:#fff; --ink:#12212f; --muted:#56656f; --faint:#8493a0;
  --navy:#0e2a47; --navy-soft:#1b4571; --navy-deep:#081b2f;
  --teal:#0b6e75; --teal-wash:#e1f1f2; --line:#dce5ee;
  --ok:#13795b; --ok-wash:#e0f2ea; --warn:#9a5b00; --warn-wash:#fdf0dc;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme=light]){
    --bg:#0b1620; --card:#12202c; --ink:#e8eef4; --muted:#a9b8c4; --faint:#7d8d9b;
    --line:#22323f; --teal:#4fc3c9; --teal-wash:#12313a;
    --ok:#5fd3a6; --ok-wash:#123027; --warn:#e0a95f; --warn-wash:#33280f;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
a{color:var(--teal)}
a:hover{text-decoration:none}

/* Thanh điều hướng */
nav{background:var(--navy-deep);position:sticky;top:0;z-index:5}
nav .wrap{display:flex;align-items:center;gap:18px;height:56px}
nav a{color:#c2d3e2;text-decoration:none;font-size:14.5px;font-weight:500}
nav a:hover,nav a[aria-current=page]{color:#fff}
nav .brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;
  margin-right:auto;font-size:16px}
nav .brand img{width:26px;height:26px;border-radius:7px}

/* Dải đầu trang, lặp lại hero banner của app */
header{background:linear-gradient(135deg,var(--navy-soft),var(--navy) 55%,var(--navy-deep));
  color:#f7fafc;padding:44px 0 38px}
header .eyebrow{font-size:12px;letter-spacing:.09em;text-transform:uppercase;
  color:#c2d3e2;margin:0 0 8px}
header h1{margin:0 0 10px;font-size:32px;line-height:1.22}
header p.lead{margin:0;color:#c2d3e2;font-size:17px;max-width:52ch}

main{padding:30px 0 64px}
h2{font-size:21px;margin:34px 0 12px}
h3{font-size:17px;margin:24px 0 8px}
p,li{color:var(--ink)}
.muted{color:var(--muted)}
small{color:var(--faint)}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:18px 20px;margin:14px 0}
.card.ok{background:var(--ok-wash);border-color:color-mix(in srgb,var(--ok) 28%,transparent)}
.card.warn{background:var(--warn-wash);border-color:color-mix(in srgb,var(--warn) 28%,transparent)}
.card.ok strong{color:var(--ok)}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:12px;margin:22px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:16px;text-align:center}
.stat b{display:block;font-size:26px;color:var(--teal);line-height:1.2}
.stat span{font-size:13.5px;color:var(--muted)}

.shots{display:flex;gap:16px;overflow-x:auto;padding:6px 0 14px;margin:18px 0}
.shots img{width:220px;border-radius:18px;border:1px solid var(--line);flex:0 0 auto}

table{width:100%;border-collapse:collapse;margin:14px 0;background:var(--card);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);
  vertical-align:top}
th{background:color-mix(in srgb,var(--line) 40%,transparent);font-size:13px}
tr:last-child td{border-bottom:none}
.scroll{overflow-x:auto}

code{background:color-mix(in srgb,var(--line) 55%,transparent);padding:2px 6px;
  border-radius:6px;font-size:.9em}

.tabs{display:flex;gap:8px;margin:0 0 18px}
.tabs a{font-size:14px;font-weight:600;text-decoration:none;padding:8px 16px;
  border-radius:999px;border:1px solid var(--line);background:var(--card);
  color:var(--muted)}
.tabs a[aria-current=page]{background:var(--teal);border-color:var(--teal);color:#fff}

footer{border-top:1px solid var(--line);padding:22px 0 34px;color:var(--faint);
  font-size:13.5px}
footer a{color:var(--muted)}
footer .row{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:8px}

@media (max-width:560px){
  header h1{font-size:26px}
  nav .wrap{gap:12px}
  nav a{font-size:13.5px}
}