/* Bang mau va khoi giu nguyen nhu landing mot trang cu, tach ra file rieng vi gio co 11 trang.
   File nay KHONG do Tools/update-ranking.sh day len - upload tay khi doi. */
:root { color-scheme: dark; }
* { box-sizing: border-box; }

body {
  margin: 0; padding: 0 0 56px; color: #e8e2d4;
  font-family: Verdana, Segoe UI, sans-serif; font-size: 14px; line-height: 1.6;
  background: radial-gradient(circle at 50% 0%, #2a2018 0%, #14100c 55%, #0a0806 100%);
  background-attachment: fixed;
}

a { color: #d9b166; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

/* ---- thanh dieu huong ---- */
.topbar {
  position: sticky; top: 0; z-index: 20; margin-bottom: 26px;
  border-bottom: 1px solid #3a2f20; background: rgba(10, 8, 6, .93);
  backdrop-filter: blur(6px);
}
.topbar .wrap { display: flex; align-items: center; gap: 18px; padding: 11px 16px; }
.brand {
  font-size: 17px; font-weight: bold; letter-spacing: 3px; color: #d9b166; text-decoration: none;
  white-space: nowrap;
}
.brand span { display: block; font-size: 9.5px; letter-spacing: 1.5px; color: #6b6152; font-weight: normal; }
.menu {
  display: flex; flex-wrap: wrap; gap: 2px; margin: 0 0 0 auto; padding: 0; list-style: none;
}
.menu a {
  display: block; padding: 8px 12px; border-radius: 5px; text-decoration: none;
  font-size: 12px; font-weight: bold; letter-spacing: 1px; text-transform: uppercase;
  color: #8a7a5e;
}
.menu a:hover { color: #d9c9a4; background: rgba(217, 177, 102, .07); }
.menu a[aria-current] { color: #17120c; background: linear-gradient(#e5c47c, #c69a4c); }
.menu a.cta { color: #d9b166; border: 1px solid #6b573a; }
.menu a.cta:hover { background: rgba(217, 177, 102, .12); }

/* ---- khoi noi dung ---- */
.card {
  border: 1px solid #4a3c28; border-radius: 10px; padding: 32px 28px; margin-bottom: 22px;
  background: rgba(20, 16, 12, .72); box-shadow: 0 18px 48px rgba(0, 0, 0, .55);
}
.hero { text-align: center; }
h1 { margin: 0; font-size: 34px; letter-spacing: 4px; color: #d9b166; }
.version { margin: 6px 0 26px; font-size: 12px; letter-spacing: 2px; color: #8a7a5e; }
.intro { margin: 0 0 28px; color: #bdb3a0; }
h2 {
  margin: 0 0 18px; font-size: 15px; letter-spacing: 2px; color: #d9b166;
  text-transform: uppercase; border-bottom: 1px solid #3a2f20; padding-bottom: 10px;
}
h3 { margin: 26px 0 12px; font-size: 13.5px; letter-spacing: 1px; color: #d9c9a4; }

/* ---- dau trang bai viet ---- */
.pagehead { margin: 0 0 22px; }
.pagehead .kicker { margin: 0 0 8px; font-size: 11px; letter-spacing: 2px; color: #8a7a5e; text-transform: uppercase; }
.pagehead h1 { font-size: 27px; letter-spacing: 2px; line-height: 1.3; }
.pagehead .lead { margin: 14px 0 0; color: #bdb3a0; }

.btn {
  display: block; margin: 0 auto 10px; padding: 15px 28px; max-width: 340px;
  border: 1px solid #d9b166; border-radius: 6px; text-decoration: none;
  font-size: 15px; font-weight: bold; letter-spacing: 1px;
  color: #17120c; background: linear-gradient(#e5c47c, #c69a4c);
}
.btn:hover { background: linear-gradient(#f0d28d, #d4a856); }
.btn.secondary { color: #d9b166; background: none; border-color: #6b573a; }
.btn.secondary:hover { background: rgba(217, 177, 102, .1); }
.sub { margin: 0 0 20px; font-size: 12px; color: #8a7a5e; }

ol.steps { margin: 26px 0 0; padding: 0; list-style: none; text-align: left; font-size: 13px; line-height: 1.9; color: #a89c86; counter-reset: step; }
ol.steps li { padding-left: 26px; position: relative; }
ol.steps li::before { content: counter(step); counter-increment: step; position: absolute; left: 0; color: #d9b166; font-weight: bold; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left; padding: 10px 12px; border-bottom: 1px solid #2c2418;
  vertical-align: top; overflow-wrap: break-word; line-height: 1.5;
}
th { color: #8a7a5e; font-weight: normal; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
th:first-child, td:first-child { min-width: 10.5em; }
tr:nth-child(even) td { background: rgba(217, 177, 102, .035); }
tr:last-child td { border-bottom: none; }
td:first-child { color: #d9c9a4; }
td.k { color: #d9b166; font-family: Consolas, monospace; }
td.t { color: #cfc5b2; }
td.num { font-family: Consolas, monospace; text-align: right; white-space: nowrap; color: #cfc5b2; }
th.num { text-align: right; }
tr.boss td { background: rgba(217, 177, 102, .07); }
tr.boss td:first-child { color: #d9b166; }
.scroll { overflow-x: auto; }

.bxh-pg { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 0; }
.bxh-pg button {
  background: transparent; border: 1px solid #6b573a; border-radius: 4px; cursor: pointer;
  color: #d9b166; font-family: Consolas, monospace; font-size: 12px; padding: 2px 9px;
}
.bxh-pg button.on { background: #6b573a; color: #f0e2c4; }

.note { margin: 16px 0 0; font-size: 12px; color: #8a7a5e; }
.key { display: inline-block; padding: 1px 7px; border: 1px solid #6b573a; border-radius: 4px; color: #d9b166; font-family: Consolas, monospace; font-size: 12px; }
.badge {
  display: inline-block; padding: 2px 9px; border: 1px solid #6b573a; border-radius: 20px;
  font-size: 11px; letter-spacing: 1px; color: #d9b166; text-transform: uppercase;
}
.badge.new { color: #17120c; background: linear-gradient(#e5c47c, #c69a4c); border-color: #d9b166; }

ul.feat { margin: 0; padding-left: 18px; color: #bdb3a0; }
ul.feat li { margin-bottom: 7px; }
ul.feat strong { color: #d9c9a4; }

.jewels { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; padding: 0; list-style: none; }
.jewels li { padding: 5px 13px; border: 1px solid #4a3c28; border-radius: 20px; font-size: 12px; color: #d9b166; }

.warn { margin: 16px 0 0; padding: 13px 15px; border-left: 3px solid #d9b166;
        background: rgba(217, 177, 102, .06); font-size: 12.5px; color: #bdb3a0; }
.warn strong { color: #d9c9a4; }

.qrbox { width: 180px; margin: 0 auto 18px; padding: 14px; background: #fff; border-radius: 8px; }
.qrbox svg { display: block; width: 100%; height: auto; }

.boxgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 12px; margin: 0 0 18px; }
.boxcard { padding: 15px 16px; border: 1px solid #4a3c28; border-radius: 8px; background: rgba(217, 177, 102, .04); }
.boxcard h3 { margin: 0 0 4px; font-size: 13px; letter-spacing: 1px; color: #d9b166; text-transform: uppercase; }
.boxcard .from { margin: 0 0 10px; font-size: 11.5px; color: #8a7a5e; }
.boxcard .what { margin: 0; font-size: 13px; color: #d9c9a4; }

/* ---- muc luc huong dan / lien ket bai viet ---- */
.guides { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.guides a {
  display: block; height: 100%; padding: 16px 17px; border: 1px solid #4a3c28; border-radius: 8px;
  text-decoration: none; background: rgba(217, 177, 102, .04);
}
.guides a:hover { border-color: #6b573a; background: rgba(217, 177, 102, .09); }
.guides h3 { margin: 0 0 6px; font-size: 13px; letter-spacing: 1px; color: #d9b166; text-transform: uppercase; }
.guides p { margin: 0; font-size: 12.5px; color: #a89c86; line-height: 1.55; }
.guides .badge { margin-left: 7px; vertical-align: 2px; }

.morelinks { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.morelinks a {
  display: block; padding: 8px 13px; border: 1px solid #4a3c28; border-radius: 20px;
  font-size: 12px; color: #bdb3a0; text-decoration: none;
}
.morelinks a:hover { border-color: #6b573a; color: #d9c9a4; background: rgba(217, 177, 102, .07); }

/* ---- so do duong di ---- */
pre.flow {
  margin: 0; padding: 16px; overflow-x: auto;
  border: 1px solid #4a3c28; border-radius: 8px; background: rgba(0, 0, 0, .3);
  color: #cfc5b2; font-family: Consolas, monospace; font-size: 12px; line-height: 1.7;
}

footer { text-align: center; font-size: 12px; color: #6b6152; padding-top: 8px; }
footer a { color: #8a7a5e; }

@media (max-width: 700px) {
  .topbar .wrap { flex-wrap: wrap; gap: 8px; }
  .menu { margin-left: 0; width: 100%; }
  .menu a { padding: 7px 10px; font-size: 11px; letter-spacing: .5px; }
}
@media (max-width: 560px) {
  .card { padding: 24px 16px; }
  .pagehead h1 { font-size: 22px; }
  table { font-size: 12.5px; }
  th, td { padding: 8px 8px; }
  th:first-child, td:first-child { min-width: 6.5em; }
}