/* ============================================================
   HNDRD SALES HUB — stylesheet (dark + light)
   ============================================================ */
:root{
  --accent:#faa21b;        /* chữ / viền nhấn */
  --accent-bg:#faa21b;     /* nền nút nhấn */
  --ink:#0b0e18; --ink-2:#12172a; --ink-3:#1a2036;
  --line:#27304c; --text:#e9edf8; --muted:#93a1bd;
  --gold:#f5b942; --blue:#4aa8ff; --green:#37d39b; --red:#ff6b6b;
  --glow:rgba(250,162,27,.18);
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --r:16px; --nav-h:60px;
}
html[data-theme="light"]{
  --accent:#a86200;
  --accent-bg:#f0a01a;
  --ink:#f4f6fb; --ink-2:#ffffff; --ink-3:#e9eefa;
  --line:#dbe2f0; --text:#111524; --muted:#5b6884;
  --gold:#9a6a00; --blue:#0b5cad; --green:#0d7a52; --red:#c0392b;
  --glow:rgba(240,160,26,.16);
  --shadow:0 8px 24px rgba(20,30,60,.10);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased;
  padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));
  transition:background .2s,color .2s;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}

/* ---------- TOP BAR ---------- */
.topbar{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:var(--ink);
  background:color-mix(in srgb, var(--ink) 90%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar .wrap{display:flex;align-items:center;gap:12px;height:100%}
.topbar svg{height:19px;width:auto;flex:none}
.tag-internal{
  font-size:9.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:#0b0e18;background:var(--accent-bg);padding:3px 8px;border-radius:5px;
}
.topnav{display:none;gap:2px;margin-left:auto}
.topnav a{padding:8px 13px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--muted)}
.topnav a:hover{color:var(--text);background:var(--ink-3)}
.topnav a.on{color:#0b0e18;background:var(--accent-bg)}
.themebtn{
  margin-left:auto;flex:none;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;font-size:16px;cursor:pointer;
  background:var(--ink-3);border:1px solid var(--line);color:var(--text);
}
.themebtn:hover{border-color:var(--accent)}
@media(min-width:860px){.themebtn{margin-left:6px}}

/* ---------- MOBILE BOTTOM NAV ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--ink);
  background:color-mix(in srgb, var(--ink) 96%, transparent);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  display:flex;align-items:stretch;
}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;font-weight:700;color:var(--muted)}
.tabbar a .ic{font-size:19px;line-height:1}
.tabbar a.on{color:var(--accent)}

/* ---------- PAGES ---------- */
.page{display:none;padding:26px 0 40px;animation:fade .18s ease-out}
.page.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.kicker{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
h1{font-size:clamp(23px,3.4vw,32px);margin:0 0 8px;letter-spacing:-.02em}
h2{font-size:clamp(18px,2.4vw,23px);margin:0 0 6px;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 22px;font-size:14.5px;max-width:760px}

/* ---------- HERO ---------- */
.hero{
  background:radial-gradient(800px 380px at 85% -20%, var(--glow), transparent 62%),
             radial-gradient(600px 340px at 0% 120%, rgba(74,168,255,.12), transparent 60%);
  border:1px solid var(--line);border-radius:22px;padding:26px 24px;margin-bottom:22px;
  background-color:var(--ink-2);
}
.hero h1 span{color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  background:var(--ink-3);border:1px solid var(--line);padding:7px 12px;border-radius:999px;color:var(--text)}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip .d{width:6px;height:6px;border-radius:50%;background:var(--accent-bg)}

/* ---------- BIG ENTRY CARDS ---------- */
.entries{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.entry{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(160deg,var(--ink-2),var(--ink-3));
  padding:20px;min-height:132px;display:flex;flex-direction:column;justify-content:flex-end;
  transition:.16s;
}
.entry:hover{transform:translateY(-2px);border-color:var(--accent)}
.entry .ico{font-size:24px;margin-bottom:auto}
.entry b{display:block;font-size:16.5px;margin-bottom:3px}
.entry span{color:var(--muted);font-size:13px}
.entry::after{content:"";position:absolute;inset:auto -30px -40px auto;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,var(--glow),transparent 70%)}

/* ---------- CARDS / BLOCKS ---------- */
.card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:16px}
.card h3{margin:0 0 10px;font-size:15.5px}
.muted{color:var(--muted);font-size:13.5px}

/* ---------- SEARCH ---------- */
.search{position:relative;margin-bottom:14px}
.search input{
  width:100%;background:var(--ink);border:1px solid var(--line);color:var(--text);
  border-radius:12px;padding:14px 16px 14px 44px;font-size:15px;outline:none;
}
.search input::placeholder{color:var(--muted)}
.search input:focus{border-color:var(--accent)}
.search .ico{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px}

.filterbar{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:16px;scrollbar-width:none}
.filterbar::-webkit-scrollbar{display:none}
.fbtn{flex:none;font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;
  background:var(--ink-3);border:1px solid var(--line);color:var(--muted);cursor:pointer;white-space:nowrap}
.fbtn.on{background:var(--accent-bg);border-color:var(--accent-bg);color:#0b0e18}

/* ---------- MAPPING LIST ---------- */
.map-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;
  background:var(--ink-3);border:1px solid var(--line);margin-bottom:8px}
.map-item .from{flex:1;min-width:0}
.map-item .from .b{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.map-item .from .m{font-weight:700;font-size:14px}
.map-item .ar{color:var(--accent);flex:none}
.map-item .to{flex:1.1;text-align:right;min-width:0}
.map-item .to .b{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.map-item .to .m{font-weight:800;font-size:14px;color:var(--accent)}
.map-item .to .p{font-size:11.5px;color:var(--muted)}

/* ---------- TABLE ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:left;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
  padding:8px 6px;border-bottom:1px solid var(--line);font-weight:800}
.tbl td{padding:8px 6px;border-bottom:1px solid var(--line)}
.tbl tr:last-child td{border-bottom:none}
.tbl .n{font-weight:700}
.tbl .money{text-align:right;white-space:nowrap;font-weight:700}
.tbl .money.d{color:var(--muted);font-weight:600}
.pill{font-size:9.5px;font-weight:800;padding:2px 7px;border-radius:5px;letter-spacing:.04em}
.pill.cao{background:rgba(245,185,66,.18);color:var(--gold)}
.pill.tb{background:rgba(74,168,255,.16);color:var(--blue)}
.pill.so{background:rgba(55,211,155,.16);color:var(--green)}

/* ---------- CALC ---------- */
.calc{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:620px){.calc{grid-template-columns:1fr 1fr}}
.calc label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:6px;letter-spacing:.04em}
.calc input,.calc select{
  width:100%;background:var(--ink);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:12px 14px;font-size:15px;outline:none;font-weight:600;
}
.calc input::placeholder{color:var(--muted)}
.calc input:focus,.calc select:focus{border-color:var(--accent)}
.result{
  grid-column:1/-1;background:var(--glow);border:1px solid var(--accent);border-radius:14px;padding:16px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
}
.result .lbl{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.result .val{font-size:26px;font-weight:900;color:var(--accent);letter-spacing:-.02em}

/* ---------- VIDEO GRID ---------- */
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.vcard{background:var(--ink-2);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:.16s;display:flex;flex-direction:column}
.vcard:hover{transform:translateY(-2px);border-color:var(--accent)}
.vthumb{position:relative;aspect-ratio:16/9;background:var(--ink-3);
  display:flex;align-items:center;justify-content:center;overflow:hidden}
.vthumb img{width:100%;height:100%;object-fit:cover}
.vthumb .ph{font-size:26px;opacity:.5}
.vthumb .play{position:absolute;width:46px;height:46px;border-radius:50%;
  background:var(--accent-bg);color:#0b0e18;display:grid;place-items:center;
  font-size:17px;padding-left:3px;box-shadow:0 6px 18px rgba(0,0,0,.35)}
.vbody{padding:12px 13px 14px;display:flex;flex-direction:column;gap:5px;flex:1}
.vbody .t{font-size:13.5px;font-weight:700;line-height:1.35}
.vbody .c{font-size:11.5px;color:var(--muted)}
.vtags{display:flex;gap:5px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.vtag{font-size:10px;font-weight:700;padding:2px 7px;border-radius:5px;
  background:var(--ink-3);color:var(--muted);border:1px solid var(--line)}
.badge-plat{position:absolute;top:8px;left:8px;font-size:9.5px;font-weight:800;letter-spacing:.06em;
  padding:3px 7px;border-radius:5px;text-transform:uppercase;z-index:2}
.badge-plat.tiktok{background:#000;color:#fff;border:1px solid #444}
.badge-plat.youtube{background:#ff0033;color:#fff}
.badge-plat.facebook{background:#1877f2;color:#fff}
.vcard.pending{opacity:.85}
.vcard.pending .vthumb{background:repeating-linear-gradient(45deg,var(--ink-3),var(--ink-3) 10px,var(--ink-2) 10px,var(--ink-2) 20px)}

/* ---------- MASONRY (Pinterest) ---------- */
.masonry{column-count:2;column-gap:12px}
@media(min-width:640px){.masonry{column-count:3}}
@media(min-width:1080px){.masonry{column-count:4}}
.tile{break-inside:avoid;margin-bottom:12px;border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--line);cursor:zoom-in}
.tile img{width:100%;height:auto;display:block}
.tile .ph{width:100%;display:flex;align-items:flex-end;padding:14px;
  font-size:12.5px;font-weight:700;color:rgba(255,255,255,.88);background-size:cover;background-position:center}
.tile .cap{position:absolute;inset:auto 0 0 0;padding:22px 12px 10px;
  background:linear-gradient(transparent,rgba(0,0,0,.72));
  color:#fff;font-size:11.5px;font-weight:600;opacity:0;transition:.18s}
.tile:hover .cap{opacity:1}

/* ---------- LIGHTBOX ---------- */
.lb{
  position:fixed;inset:0;z-index:200;background:rgba(5,7,14,.97);
  display:none;padding:12px 12px calc(12px + env(safe-area-inset-bottom));
}
.lb.on{display:flex;justify-content:center}
.lb .box{
  width:100%;max-width:min(1000px,96vw);height:100%;
  display:flex;flex-direction:column;gap:10px;position:relative;
}
.lb img{
  flex:1 1 auto;min-height:0;width:auto;max-width:100%;
  margin:0 auto;border-radius:12px;object-fit:contain;
}
.lb .cap{
  flex:none;color:#c9d2e4;font-size:12.5px;text-align:center;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
/* chỉ 3 nút điều hướng mới absolute */
.lb .x,.lb .prev,.lb .next{
  position:absolute;background:rgba(255,255,255,.14);border:none;color:#fff;
  width:42px;height:42px;border-radius:50%;font-size:19px;cursor:pointer;
  display:grid;place-items:center;z-index:3;
}
.lb .x{top:6px;right:6px}
.lb .prev{left:6px;top:45%;transform:translateY(-50%)}
.lb .next{right:6px;top:45%;transform:translateY(-50%)}
@media(max-width:720px){
  .lb{padding:10px 10px calc(10px + env(safe-area-inset-bottom))}
  .lb .x{width:38px;height:38px;font-size:16px}
  .lb .prev,.lb .next{width:38px;height:38px;font-size:17px}
  .copybtn{padding:18px 16px;font-size:17px}
}

/* ---------- EMPTY / SCRIPT ---------- */
.empty{border:1px dashed var(--line);border-radius:14px;padding:26px;text-align:center;color:var(--muted);font-size:13.5px}
.empty b{color:var(--text)}
.sc{border-left:3px solid var(--accent);background:var(--glow);border-radius:0 12px 12px 0;padding:12px 16px;margin-bottom:10px}
.sc b{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
.sc p{margin:0;font-size:14px}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line);padding:24px 0 40px;color:var(--muted);font-size:12px}
footer b{color:var(--text)}

/* ---------- DESKTOP ---------- */
@media(min-width:860px){
  .topnav{display:flex}
  .tabbar{display:none}
  body{padding-bottom:0}
}

/* ============ THƯ VIỆN ẢNH SẢN PHẨM ============ */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.pcard{
  background:var(--ink-2);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  cursor:pointer;text-align:left;padding:0;transition:.16s;display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-2px);border-color:var(--accent)}
.pcard .ph{aspect-ratio:1/1;background:var(--ink-3);overflow:hidden;display:grid;place-items:center}
.pcard .ph img{width:100%;height:100%;object-fit:cover}
.pcard .ph .na{font-size:22px;opacity:.4}
.pcard .pmeta{padding:9px 11px 11px}
.pcard .pmeta b{display:block;font-size:12.5px;line-height:1.3;font-weight:700}
.pcard .pmeta span{font-size:11px;color:var(--muted)}

.backbtn{
  display:inline-flex;align-items:center;gap:6px;background:var(--ink-3);border:1px solid var(--line);
  color:var(--text);font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;
  cursor:pointer;margin-bottom:14px;
}
.backbtn:hover{border-color:var(--accent);color:var(--accent)}

.copybtn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;margin:0;padding:17px 20px;flex:none;
  background:#16a34a;color:#fff;border:none;border-radius:14px;
  font-size:16.5px;font-weight:800;letter-spacing:.01em;
  white-space:nowrap;cursor:pointer;text-decoration:none;
  box-shadow:0 8px 22px rgba(22,163,74,.38);
  transition:transform .12s, background .15s;
}
.copybtn:hover{background:#15803d}
.copybtn:active{transform:scale(.985)}
.copybtn.ok{background:#0f7a37}

.pboards{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:14px;scrollbar-width:none}
.pboards::-webkit-scrollbar{display:none}
.pb-title{font-size:13px;font-weight:700;margin:0 0 10px;color:var(--muted)}

/* ============ TỐI ƯU MOBILE ============ */
@media (max-width: 640px){
  .page{padding:14px 0 28px}
  .kicker{font-size:10px;margin-bottom:6px}
  h1{font-size:22px;margin-bottom:6px}
  h2{font-size:18px}
  .sub{font-size:13.5px;margin-bottom:14px}

  .hero{padding:18px 16px;border-radius:18px}
  .entries{grid-template-columns:repeat(2,1fr);gap:10px}
  .entry{padding:14px;min-height:110px;border-radius:14px}
  .entry .ico{font-size:20px}
  .entry b{font-size:14.5px}
  .entry span{font-size:11.5px;line-height:1.35}

  .card{padding:14px;border-radius:14px;margin-bottom:12px}
  .card h3{font-size:14.5px}

  /* ô nhập 16px để iOS không tự zoom */
  .search input{font-size:16px;padding:13px 14px 13px 42px}
  .search .ico{left:14px}

  /* chip luôn 1 hàng, vuốt ngang */
  .filterbar,.pboards{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .fbtn{font-size:12.5px;padding:8px 13px}

  .pgrid{grid-template-columns:repeat(2,1fr);gap:10px}
  .pcard{border-radius:12px}
  .pcard .pmeta{padding:8px 9px 10px}
  .pcard .pmeta b{font-size:12px}
  .pcard .pmeta span{font-size:10.5px}

  .masonry{column-gap:9px}
  .tile{margin-bottom:9px;border-radius:12px}
  .tile img{max-height:64vh;object-fit:cover}

  .map-item{padding:10px 12px;gap:9px}
  .map-item .from .m,.map-item .to .m{font-size:13.5px}
  .result{padding:14px}
  .result .val{font-size:23px}

  .tbl{font-size:12px}
  .tbl th{font-size:9.5px}
  .tbl td{padding:7px 4px}

  .tabbar a{font-size:10px}
  .tabbar a .ic{font-size:18px}

  .backbtn{font-size:12.5px;padding:7px 12px}
  #galDetailTitle{font-size:17px !important}
}

/* nút bật ảnh nền trắng */
.backbtn.on{background:var(--accent-bg);border-color:var(--accent-bg);color:#0b0e18}
.backbtn.on:hover{color:#0b0e18}

/* nút phụ: copy link tải trực tiếp */
.copybtn.alt{
  background:rgba(255,255,255,.06);color:#e9edf8;
  border:1.5px solid rgba(255,255,255,.28);box-shadow:none;
  font-size:14.5px;padding:13px 18px;margin-top:-2px;
}
.copybtn.alt:hover{background:rgba(255,255,255,.12);border-color:#faa21b;color:#ffc46b}
.copybtn.alt.ok{background:#0f7a37;border-color:#0f7a37;color:#fff}

/* gợi ý lưu ảnh trên iPhone */
.lbhint{
  flex:none;margin-top:2px;font-size:11px;line-height:1.4;text-align:center;
  color:rgba(255,255,255,.6);
}
.lbhint:empty{display:none}

/* nút Gửi Zalo */
.copybtn.zalo{background:#0068ff;box-shadow:0 8px 22px rgba(0,104,255,.4);margin-top:-2px}
.copybtn.zalo:hover{background:#0055d4}
.copybtn.zalo.ok{background:#0f7a37}
.copybtn.drive{background:#faa21b;color:#101426;box-shadow:0 8px 22px rgba(250,162,27,.35);margin-top:-2px}
.copybtn.drive:hover{background:#e5910c}
.copybtn.drive.ok{background:#0f7a37;color:#fff}

/* toast thông báo */
#toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,18px);
  opacity:0;pointer-events:none;z-index:300;
  background:rgba(20,24,40,.97);color:#fff;padding:12px 18px;border-radius:12px;
  font-size:13px;line-height:1.4;max-width:88vw;text-align:center;
  border:1px solid rgba(255,255,255,.14);transition:opacity .22s, transform .22s;
}
#toast.on{opacity:1;transform:translate(-50%,0)}

/* nhóm video theo dòng sản phẩm */
.vsection{margin-bottom:26px}
.vgroup{
  display:flex;align-items:center;gap:8px;
  font-size:15px;margin:0 0 12px;padding-bottom:8px;
  border-bottom:1px solid var(--line);
}
.vgroup span{
  font-size:11px;font-weight:800;color:var(--accent);
  background:var(--glow);border:1px solid var(--accent);
  padding:1px 8px;border-radius:999px;
}
@media (max-width:640px){
  .vgroup{font-size:14px}
  .vsection{margin-bottom:20px}
}

/* ============ CHỌN NHIỀU ẢNH ĐỂ TẢI ============ */
.tile{position:relative}
.tile .chk{
  position:absolute;top:8px;right:8px;z-index:3;
  width:28px;height:28px;border-radius:50%;
  border:2px solid rgba(255,255,255,.9);
  background:rgba(0,0,0,.38);
  color:transparent;font-size:14px;font-weight:900;
  display:grid;place-items:center;cursor:pointer;
  backdrop-filter:blur(4px);transition:.15s;
}
.tile .chk:hover{border-color:#4ade80}
/* Nút copy link Google Drive trên từng ảnh */
.tile .tcopy{
  position:absolute;top:8px;left:8px;z-index:3;
  height:28px;padding:0 9px;border-radius:14px;
  border:1.5px solid rgba(255,255,255,.9);
  background:rgba(0,0,0,.55);color:#fff;
  font-size:13px;font-weight:800;line-height:1;
  display:inline-flex;align-items:center;gap:4px;cursor:pointer;
  backdrop-filter:blur(4px);transition:.15s;
  opacity:.9;
}
.tile .tcopy:hover{background:#faa21b;border-color:#faa21b;color:#101426;opacity:1}
.tile .tcopy.ok{background:#16a34a;border-color:#16a34a;color:#fff}
@media (max-width:640px){ .tile .tcopy{height:30px;padding:0 10px;font-size:14px} }
.tile.sel{outline:2.5px solid #16a34a;outline-offset:-2.5px}
.tile.sel .chk{background:#16a34a;border-color:#16a34a;color:#fff}

.selbar{
  position:fixed;left:0;right:0;z-index:95;
  bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));
  display:none;align-items:center;gap:9px;padding:10px 14px;
  background:rgba(13,17,30,.985);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.selbar.on{display:flex}
.selbar .cnt{flex:1;font-size:13px;font-weight:700}
.selbar button{
  font-size:13px;font-weight:800;padding:11px 15px;border-radius:10px;
  border:none;cursor:pointer;white-space:nowrap;
}
.selbar .clear{background:rgba(255,255,255,.11);color:#e9edf8}
.selbar .dl{background:#16a34a;color:#fff}
.selbar .dl:disabled{opacity:.7}
@media (min-width:860px){ .selbar{bottom:0} }

/* checkbox trên thẻ album sản phẩm */
.pcard .ph{position:relative}
.tile .chk, .pcard .chk{
  position:absolute;top:8px;right:8px;z-index:3;
  width:26px;height:26px;border-radius:50%;
  border:2px solid rgba(255,255,255,.9);
  background:rgba(0,0,0,.4);
  color:transparent;font-size:13px;font-weight:900;
  display:grid;place-items:center;cursor:pointer;
  backdrop-filter:blur(4px);transition:.15s;
}
.pcard .chk{top:7px;right:7px}
.pcard.sel{outline:2.5px solid #16a34a;outline-offset:-2.5px}
.pcard.sel .chk{background:#16a34a;border-color:#16a34a;color:#fff}

/* nút copy link video */
.vthumb .vcopy{
  position:absolute;top:8px;right:8px;z-index:4;
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;
  background:rgba(0,0,0,.55);color:#fff;
  border:1px solid rgba(255,255,255,.35);
  cursor:pointer;backdrop-filter:blur(4px);
  transition:.15s;
}
.vthumb .vcopy:hover{background:rgba(250,162,27,.9);border-color:#faa21b;color:#0b0e18}
.vthumb .vcopy.ok{background:#16a34a;border-color:#16a34a;color:#fff}
.vcard{cursor:pointer}

/* ============ DEMO TOUR ============ */
.demo-wrap{display:grid;gap:18px}
@media(min-width:980px){
  .demo-wrap{grid-template-columns:1fr 380px;align-items:start}
  .demo-map{position:sticky;top:72px}
}
.demo-map{
  background:var(--ink-2);border:1px solid var(--line);border-radius:16px;padding:14px;
}
.map-head{font-size:13px;font-weight:800;margin-bottom:10px;display:flex;gap:6px;align-items:center}
.map-head span{font-weight:600;color:var(--muted);font-size:11.5px}
#vnmap{border-radius:12px;overflow:visible;z-index:1}
/* ---------- khối tổng hợp Demo Tour ---------- */
.demo-sum-head{font-size:13px;font-weight:800;letter-spacing:.02em;margin:20px 0 8px;color:var(--text)}
.demo-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:10px;margin:0 0 10px}
.dstat{background:var(--ink-2);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.dstat b{display:block;font-size:23px;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums}
.dstat span{display:block;font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.35}
.dstat.ok b{color:var(--accent)}
.dstat.warn b{color:var(--red)}
.demo-note{font-size:11.8px;color:var(--muted);margin:0 0 16px;line-height:1.55}
.demo-note b{color:var(--text)}
.demo-note code{font-size:11px;background:var(--ink-3);border:1px solid var(--line);border-radius:6px;padding:1px 5px}

/* ---------- sơ đồ Việt Nam (SVG nội bộ, không CDN) ---------- */
.vnsvg{display:block;width:100%;height:auto;max-height:560px;margin:0 auto}
.vnsvg .vnland{fill:var(--ink-3);stroke:var(--line);stroke-width:1.2;stroke-linejoin:round}
.vnsvg .vnsea{font-size:9px;fill:var(--muted);opacity:.7;letter-spacing:.02em}
.vnsvg .vnlead{stroke:var(--muted);stroke-width:.8;opacity:.55}
.vnsvg .vnpin{cursor:pointer;outline:none}
.vnsvg .vnhit{fill:transparent}
.vnsvg .vndot{fill:var(--accent);stroke:var(--ink-2);stroke-width:1.5;transition:.12s}
.vnsvg .vnpin:hover .vndot,.vnsvg .vnpin:focus-visible .vndot{fill:#fff;stroke:var(--accent);stroke-width:2.5;r:7}
.vnsvg .vnpin.on .vndot{fill:#fff;stroke:var(--accent);stroke-width:3}
.vnsvg .vnlbl{display:none;font-size:10.5px;font-weight:700;fill:var(--text);
  paint-order:stroke;stroke:var(--ink-2);stroke-width:3px;stroke-linejoin:round;pointer-events:none}
.vnsvg .vnpin:hover .vnlbl,.vnsvg .vnpin:focus-visible .vnlbl,.vnsvg .vnpin.on .vnlbl{display:block}
.map-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.map-list .fbtn{font-size:11.5px;padding:6px 11px}
@media(max-width:640px){
  .demo-stats{grid-template-columns:repeat(2,1fr);gap:8px}
  .dstat b{font-size:20px}
  .vnsvg{max-height:420px}
  .demo-wrap{gap:14px}
}

/* nút copy link video — bản có chữ */
.vfoot{margin-top:9px;display:flex;gap:6px}
.vcopy{
  display:inline-flex;align-items:center;justify-content:center;gap:5px;
  font-size:11.5px;font-weight:800;
  padding:7px 11px;border-radius:8px;
  background:var(--ink-3);border:1px solid var(--line);
  color:var(--muted);cursor:pointer;
  transition:.15s;width:100%;
}
.vcopy:hover{border-color:var(--accent);color:var(--accent);background:var(--glow)}
.vcopy.ok{background:#16a34a;border-color:#16a34a;color:#fff}

/* khung trống trong trang demo không bị chia cột */
.masonry.single{column-count:1}
.masonry.single .empty{max-width:none}