/* Kho game – giao diện phẳng: không khung bo góc, chỉ đường kẻ mảnh và chữ. */
:root{
  --bg:#FAFAF7;--ink:#14171A;--muted:#5D6670;--faint:#8A929B;--rule:#DCDDD6;--rule2:#ECEDE7;
  --pri:#0F766E;--priFg:#FFFFFF;--priInk:#0B5E58;--hl:#E7F3F1;--warn:#9A3412;
  color-scheme:light
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#101315;--ink:#ECEEF0;--muted:#A2AAB3;--faint:#7C858F;--rule:#2B3136;--rule2:#1E2327;
  --pri:#2DD4BF;--priFg:#06231F;--priInk:#5EEAD4;--hl:#13302C;--warn:#FDBA74;color-scheme:dark}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font:16px/1.55 "Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums}
a{color:inherit}
button,input,select{font:inherit;color:inherit;border-radius:0}
button{cursor:pointer}
.wrap{max-width:880px;margin:0 auto;padding:0 16px calc(48px + env(safe-area-inset-bottom))}

/* đầu trang */
.top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:max(18px,env(safe-area-inset-top)) 0 14px;border-bottom:2px solid var(--ink)}
.top .brand{font-weight:700;font-size:14px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none}
.top nav{display:flex;gap:18px;font-size:14px;font-weight:600}
.top nav a{text-decoration:none;color:var(--muted)}
.top nav a:hover,.top nav a[aria-current]{color:var(--ink)}
.hero{padding:28px 0 18px}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
h1{font-size:clamp(28px,6vw,44px);line-height:1.12;margin:0;letter-spacing:-.01em}
.lede{color:var(--muted);margin:10px 0 0;max-width:60ch}

/* tìm kiếm và bộ lọc */
.search{display:flex;align-items:center;gap:10px;border-bottom:1.5px solid var(--ink);margin-top:8px}
.search svg{flex-shrink:0;color:var(--muted)}
.search input{flex:1;min-width:0;border:0;background:none;padding:14px 0;font-size:18px;outline:none}
.search input::placeholder{color:var(--faint)}
.search:focus-within{border-bottom-color:var(--pri)}
.filters{margin-top:6px}
.frow{display:grid;grid-template-columns:96px 1fr;gap:10px;align-items:start;padding:10px 0;border-bottom:1px solid var(--rule2)}
.frow > span{font-size:13px;font-weight:600;color:var(--muted);padding-top:7px}
.opts{display:flex;flex-wrap:wrap;gap:2px 16px}
.opt{border:0;background:none;padding:6px 0;font-size:14.5px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;min-height:36px}
.opt:hover{color:var(--ink)}
.opt[aria-pressed="true"]{color:var(--ink);font-weight:700;border-bottom-color:var(--pri)}
.sel{border:0;border-bottom:1.5px solid var(--rule);background:none;padding:6px 22px 6px 0;font-size:14.5px;font-weight:600;min-height:36px;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);
  background-position:calc(100% - 9px) 55%,calc(100% - 4px) 55%;background-size:5px 5px;background-repeat:no-repeat}
.sel:focus{outline:none;border-bottom-color:var(--pri)}
.more-f{display:none}
.filters.open .more-f{display:grid}
.ftoggle{border:0;background:none;color:var(--priInk);font-weight:600;font-size:14px;padding:10px 0;min-height:40px}
@media (min-width:700px){.more-f{display:grid}.ftoggle{display:none}}

/* danh sách */
.meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:18px 0 8px;border-bottom:1px solid var(--ink);font-size:14px;color:var(--muted)}
.meta b{color:var(--ink)}
.meta .clear{border:0;background:none;color:var(--priInk);font-weight:600;padding:0;font-size:14px}
.list{list-style:none;margin:0;padding:0}
.item a{display:grid;grid-template-columns:44px 1fr auto;gap:4px 12px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.item a:hover .nm{color:var(--priInk)}
.item .rk{font-size:13px;font-weight:600;color:var(--faint);text-align:right}
.item .nm{font-weight:700;font-size:17px;line-height:1.3}
.item .alt{font-weight:400;color:var(--muted);font-size:14px}
.item .sm{grid-column:2;font-size:14px;color:var(--muted)}
.item .vn{grid-column:3;grid-row:1 / span 2;text-align:right;font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap}
.item .sc{display:block;font-size:15px;color:var(--ink);font-weight:700}
.empty{padding:40px 0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border:1.5px solid var(--pri);background:var(--pri);color:var(--priFg);font-weight:700;font-size:15.5px;text-decoration:none}
.btn:hover{filter:brightness(1.06)}
.btn.line{background:none;color:var(--priInk)}
.loadmore{display:block;width:100%;margin-top:18px}

/* trang chi tiết */
.crumb{font-size:14px;padding:16px 0 0}
.crumb a{color:var(--muted);text-decoration:none;font-weight:600}
.crumb a:hover{color:var(--ink)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));margin:24px 0 0;border-top:1px solid var(--ink)}
.facts div{padding:12px 12px 12px 0;border-bottom:1px solid var(--rule)}
.facts dt{font-size:12.5px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.facts dd{margin:2px 0 0;font-size:18px;font-weight:700}
.facts dd small{font-size:13px;font-weight:500;color:var(--muted)}
h2{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:36px 0 0;padding-bottom:8px;border-bottom:1px solid var(--ink)}
.desc{max-width:65ch;margin:14px 0 0;white-space:pre-line}
.note{color:var(--muted);font-size:14.5px;max-width:65ch}
.mech{margin:12px 0 0;font-size:15px}
.mech b{font-weight:700}
.vlist{list-style:none;margin:0;padding:0}
.vlist li{display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--rule)}
.vlist .vn{font-weight:700;font-size:17px}
.vlist .va{font-size:14px;color:var(--muted)}
.vlist .cp{font-size:13px;font-weight:600;color:var(--priInk)}
@media (max-width:560px){.vlist li{grid-template-columns:1fr}.vlist .btn{width:100%}}
.price{width:100%;border-collapse:collapse;margin-top:6px;font-size:15px}
.price th,.price td{text-align:left;padding:10px 10px 10px 0;border-bottom:1px solid var(--rule)}
.price th{font-size:12.5px;color:var(--muted);font-weight:600}
.price td:not(:first-child),.price th:not(:first-child){text-align:right}
.cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px}
.foot{margin-top:48px;padding-top:14px;border-top:2px solid var(--ink);font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
.foot a{color:var(--ink);font-weight:600;text-decoration:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}