:root{--bg:#eef3f1;--ink:#12302e;--brand:#14423f;--accent:#e0a100;--card:#fff;--line:#cfdcd8}
@media (prefers-color-scheme:dark){:root{--bg:#0e1f1e;--ink:#e3eeeb;--brand:#0a2c2a;--card:#162d2b;--line:#27443f}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.top{background:var(--brand);color:#fff;padding:2rem 1.25rem 1.5rem;border-bottom:4px solid var(--accent)}
.top h1{margin:0;font-size:clamp(1.8rem,6vw,2.6rem);letter-spacing:-.02em}
.top p{margin:.25rem 0 0;opacity:.8}
main{max-width:64rem;margin:0 auto;padding:1.25rem}
.grid{list-style:none;margin:0;padding:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);padding:1rem;display:flex;flex-direction:column;gap:.35rem;min-height:9rem}
.card h2{font-size:1.1rem;margin:0}
.card b{margin-top:auto}
.tag{font-size:.8rem;opacity:.7}
.net{position:sticky;top:0;z-index:9;background:var(--accent);color:#1b1500;text-align:center;padding:.5rem;font-weight:600}
.net[hidden]{display:none}
.top{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem}
.cartbtn{font:inherit;font-weight:600;background:var(--accent);color:#1b1500;border:0;padding:.6rem .9rem;cursor:pointer;transition:transform .2s}
.cartbtn span{display:inline-block;min-width:1.4rem;margin-left:.3rem;background:#1b1500;color:#fff;text-align:center;border-radius:1rem;padding:0 .35rem}
.cartbtn.bump{transform:scale(1.08)}
.cats{display:flex;gap:.5rem;max-width:64rem;margin:0 auto;padding:1rem 1.25rem 0;overflow-x:auto}
.cats button{font:inherit;padding:.45rem .9rem;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;white-space:nowrap}
.cats button[aria-pressed="true"]{background:var(--brand);color:#fff;border-color:var(--brand)}
.spec{margin:0;font-size:.9rem;opacity:.75}
.add{font:inherit;margin-top:.5rem;padding:.5rem;border:1px solid var(--brand);background:transparent;color:var(--ink);cursor:pointer}
.add:hover,.add:focus-visible{background:var(--brand);color:#fff}
.empty{opacity:.7;padding:1rem 0;list-style:none}
.drawer{position:fixed;inset:0 0 0 auto;width:min(24rem,100%);background:var(--card);border-left:1px solid var(--line);box-shadow:-8px 0 24px rgba(0,0,0,.18);display:flex;flex-direction:column;z-index:20}
.drawer[hidden]{display:none}
.dh,.df{display:flex;justify-content:space-between;align-items:center;padding:1rem}
.dh h2{margin:0}
.dh button,.ghost{font:inherit;background:none;border:1px solid var(--line);color:var(--ink);padding:.35rem .7rem;cursor:pointer}
.items{list-style:none;margin:0;padding:0 1rem;flex:1;overflow:auto}
.items li{display:flex;justify-content:space-between;gap:.75rem;padding:.75rem 0;border-bottom:1px solid var(--line)}
.items small{display:block;opacity:.7}
.qty{display:flex;align-items:center;gap:.5rem}
.qty button{width:2rem;height:2rem;font:inherit;border:1px solid var(--line);background:none;color:var(--ink);cursor:pointer}
.df{border-top:1px solid var(--line)}
@media (prefers-reduced-motion:reduce){.cartbtn{transition:none}}
.primary{font:inherit;font-weight:600;background:var(--brand);color:#fff;border:0;padding:.7rem 1rem;cursor:pointer}
.primary:disabled{opacity:.45;cursor:not-allowed}
.drawer>.primary{margin:1rem}
dialog{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:1.25rem;width:min(30rem,calc(100% - 1.5rem))}
dialog::backdrop{background:rgba(0,0,0,.5)}
dialog h2{margin-top:0}
dialog label{display:block;margin:.6rem 0;font-size:.95rem}
dialog input:not([type=radio]),dialog textarea{display:block;width:100%;margin-top:.25rem;padding:.55rem;font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
dialog input:focus-visible,dialog textarea:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
fieldset{border:1px solid var(--line);margin:.8rem 0;padding:.5rem .8rem}
.opt{display:flex!important;gap:.5rem;align-items:center}
.note{font-size:.85rem;opacity:.75}
.msg{background:#fff1c9;color:#4a3500;padding:.6rem;border-left:4px solid var(--accent)}
.row{display:flex;justify-content:flex-end;gap:.6rem;margin-top:1rem}
.bank{display:grid;grid-template-columns:auto 1fr;gap:.35rem 1rem}
.bank dt{opacity:.7}.bank dd{margin:0}
.result{max-width:36rem;margin:3rem auto;padding:0 1.25rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.search{max-width:64rem;margin:0 auto;padding:1rem 1.25rem 0}
.search input{width:100%;padding:.75rem .9rem;font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.search input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.result-count{max-width:64rem;margin:.5rem auto 0;padding:0 1.25rem;font-size:.9rem;opacity:.75;min-height:1.4em}
.pager{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem;margin:1.5rem 0 .5rem}
.pager button{min-width:2.5rem;height:2.5rem;font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer}
.pager button[aria-current="page"]{background:var(--brand);color:#fff;border-color:var(--brand)}
.pager button:disabled{opacity:.35;cursor:not-allowed}
.pager span{padding:0 .25rem;opacity:.6}
.filters{display:flex;gap:.6rem;margin-top:.6rem;flex-wrap:wrap}
.filters select{flex:1;min-width:9rem;padding:.55rem;font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.cartbtn[hidden]{display:none}
.linkbtn{text-decoration:none;display:inline-block}
.hbtns{display:flex;gap:.5rem;flex-wrap:wrap}
.acc{max-width:34rem;margin:0 auto;padding:1.25rem}
.abox{background:var(--card);border:1px solid var(--line);padding:1.25rem}
.abox h2{margin-top:0}
.abox label{display:block;margin:.65rem 0;font-size:.95rem}
.abox input:not([type=checkbox]),.abox textarea{display:block;width:100%;margin-top:.25rem;padding:.6rem;font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.abox input[readonly]{opacity:.7}
.abox input:focus-visible,.abox textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.chk{display:flex!important;gap:.5rem;align-items:flex-start}.chk input{margin-top:.25rem}
.sub{margin-top:1.5rem}
.olist{list-style:none;margin:0;padding:0}
.olist li{display:flex;flex-wrap:wrap;gap:.3rem .8rem;align-items:center;padding:.65rem 0;border-bottom:1px solid var(--line)}
.olist small{margin-left:auto;opacity:.7}
.okmsg{background:#d9f2e3;color:#0d3b21;border-left-color:#1e8e4e}
.st{padding:.1rem .5rem;font-size:.85rem;border:1px solid var(--line)}
.st-pending{background:#fff1c9;color:#4a3500}.st-paid{background:#d9f2e3;color:#0d3b21}.st-shipped{background:#dbe8ff;color:#12306b}
.st-failed,.st-cancelled{background:#f6d9d6;color:#7a1810}
.thumb{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;display:block;background:var(--bg);margin:-.25rem 0 .35rem}
.btns{display:flex;gap:.5rem;margin-top:.5rem}.btns button{flex:1;margin-top:0}
.more{font:inherit;padding:.5rem;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.more:hover,.more:focus-visible{border-color:var(--brand)}
.dimg{max-width:100%;height:auto;display:block;margin:0 0 .8rem}
.dl{display:inline-block;padding:.55rem .9rem;border:1px solid var(--brand);color:var(--ink);text-decoration:none;font-weight:600}
.dl:hover,.dl:focus-visible{background:var(--brand);color:#fff}
.rich{line-height:1.6;overflow-wrap:anywhere}
.rich h2{font-size:1.2rem;margin:1rem 0 .4rem}.rich h3{font-size:1.05rem;margin:.9rem 0 .3rem}
.rich p{margin:.5rem 0}.rich ul,.rich ol{padding-left:1.3rem}
.rich blockquote{margin:.8rem 0;padding:.2rem .9rem;border-left:4px solid var(--accent);opacity:.9}
.rich a{color:var(--brand);text-decoration:underline}
.rte-bar{display:flex;flex-wrap:wrap;gap:.3rem;padding:.35rem;border:1px solid var(--line);border-bottom:0;background:var(--bg)}
.rte-bar button{font:inherit;font-size:.85rem;padding:.3rem .55rem;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer}
.rte-bar button:hover,.rte-bar button:focus-visible{border-color:var(--brand)}
.rte{min-height:12rem;max-height:22rem;overflow:auto;padding:.7rem;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.rte:focus-visible{outline:2px solid var(--accent);outline-offset:1px}

/* ===== Móc giao diện: themes/*/theme.css ghi đè các biến này (đặt cuối file để thắng các luật phía trên) ===== */
:root{--on-brand:#fff;--on-accent:#1b1500;--radius:0px;--shadow:none;--font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--head-font:var(--font)}
body{font-family:var(--font)}
h1,h2,h3{font-family:var(--head-font)}
.top{color:var(--on-brand)}
.cartbtn{color:var(--on-accent)}
.cartbtn span{background:var(--on-accent);color:var(--accent)}
.primary,.cats button[aria-pressed="true"],.add:hover,.add:focus-visible,.dl:hover,.dl:focus-visible,.pager button[aria-current="page"]{color:var(--on-brand)}
.card,.abox,dialog,.drawer,.cats button,.primary,.cartbtn,.add,.more,.dl,.thumb,.dimg,.msg,.pager button,.filters select,.search input,.ghost{border-radius:var(--radius)}
.card,.abox,.drawer{box-shadow:var(--shadow)}
.prevbar{position:sticky;top:0;z-index:30;background:var(--accent);color:var(--on-accent);text-align:center;padding:.45rem;font-weight:600}
.linkb{font:inherit;background:none;border:0;color:var(--brand);text-decoration:underline;cursor:pointer;padding:0;font-weight:600;text-align:left}
.sub2{margin:.9rem 0 0}