/* Layout: one phone-width app column, blue canopy band on top with red-orange stripe, role switcher above it for the demo */
:root{
  --band:#0b3a8c; --band-2:#1550c0; --red:#e4351f; --orange:#f26a1b;
  --bg:#eef2f8; --surface:#ffffff; --surface-2:#f5f8fc; --fg:#0f1d33; --muted:#5a6a84; --line:#d8e0ec;
  --ok:#17834a; --ok-bg:#e3f4ea; --warn:#a96300; --warn-bg:#fdf1dc; --bad:#c42b1a; --bad-bg:#fde6e2;
  --accent:#1550c0; --on-band:#ffffff;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-num:"Barlow Condensed","Be Vietnam Pro",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --band:#0c2c6b; --band-2:#1a4aa8; --bg:#0a1120; --surface:#121b2e; --surface-2:#18233a; --fg:#e7edf8; --muted:#94a4c0; --line:#26344f;
  --ok:#4cc584; --ok-bg:#12321f; --warn:#f0b04a; --warn-bg:#35270c; --bad:#ff7a66; --bad-bg:#3a1712; --accent:#6c9dff; color-scheme:dark}}
:root[data-theme="dark"]{
  --band:#0c2c6b; --band-2:#1a4aa8; --bg:#0a1120; --surface:#121b2e; --surface-2:#18233a; --fg:#e7edf8; --muted:#94a4c0; --line:#26344f;
  --ok:#4cc584; --ok-bg:#12321f; --warn:#f0b04a; --warn-bg:#35270c; --bad:#ff7a66; --bad-bg:#3a1712; --accent:#6c9dff; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:14px;line-height:1.5}
.wrap{max-width:480px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:12px 96px}
.demo{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:12px;font-size:12px;color:var(--muted)}
.demo b{font-weight:600;margin-right:4px}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:999px;padding:5px 11px;font:inherit;font-size:12px;cursor:pointer}
.chip.on{background:var(--band);border-color:var(--band);color:var(--on-band)}
.app{background:var(--surface);border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.band{background:linear-gradient(160deg,var(--band) 0%,var(--band-2) 100%);color:var(--on-band);padding:16px 16px 14px}
.stripe{height:6px;background:linear-gradient(90deg,var(--red),var(--orange))}
.brand{display:flex;gap:10px;align-items:center}
.mark{width:38px;height:38px;border-radius:10px;background:#fff;display:grid;place-items:center;flex:none}
.mark span{width:22px;height:22px;border-radius:5px;background:linear-gradient(180deg,var(--orange),var(--red));display:block}
.brand h1{font-family:var(--f-num);font-weight:700;font-size:20px;letter-spacing:.02em;line-height:1.1;margin:0;text-wrap:balance}
.brand small{opacity:.85;font-size:11.5px}
.hello{margin-top:14px;display:flex;justify-content:space-between;gap:10px;align-items:flex-end}
.hello .who{font-size:13px;opacity:.9}
.hello .who b{display:block;font-size:16px;opacity:1}
.body{padding:16px;display:grid;gap:16px}
h2{font-size:15px;margin:0 0 8px;font-weight:700;text-wrap:balance}
.lbl{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums;font-weight:700}
.card{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px}
.hero{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;display:grid;gap:8px}
.hero .big{font-size:34px;line-height:1}
.row{display:flex;justify-content:space-between;align-items:center;gap:10px}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--orange),var(--red))}
.prices{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.price{border-radius:12px;padding:10px 12px;background:var(--band);color:var(--on-band)}
.price .num{font-size:26px;line-height:1.1;color:#ffd9c2}
.price small{display:block;font-size:11.5px;opacity:.85}
.post{border-radius:12px;padding:12px;border:1px solid var(--line);display:grid;gap:4px}
.post.ad{background:linear-gradient(120deg,var(--red),var(--orange));color:#fff;border:0}
.post .t{font-weight:700}
.list{display:grid;gap:8px}
.item{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:8px}
.item:last-child{border-bottom:0;padding-bottom:0}
.item .m{min-width:0}
.sub{color:var(--muted);font-size:12.5px}
.pill{display:inline-block;font-size:11px;font-weight:600;border-radius:99px;padding:2px 8px;white-space:nowrap}
.p-ok{background:var(--ok-bg);color:var(--ok)} .p-warn{background:var(--warn-bg);color:var(--warn)} .p-bad{background:var(--bad-bg);color:var(--bad)}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
td.r,th.r{text-align:right;font-variant-numeric:tabular-nums}
form{display:grid;gap:10px}
label.f{display:grid;gap:4px;font-size:12.5px;font-weight:600}
input,select,textarea{font:inherit;font-weight:400;color:var(--fg);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:9px 10px;width:100%}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn{font:inherit;font-weight:600;border:0;border-radius:10px;padding:10px 14px;cursor:pointer;background:var(--red);color:#fff}
.btn.sec{background:var(--surface);color:var(--fg);border:1px solid var(--line)}
.btn.ok{background:var(--ok);color:#fff}
.btn.sm{padding:6px 10px;font-size:12.5px}
.btns{display:flex;gap:8px;flex-wrap:wrap}
.check{display:flex;gap:8px;align-items:center;font-size:13px}
.check input{width:auto}
.thumb{width:72px;height:72px;border-radius:8px;object-fit:cover;border:1px solid var(--line);cursor:zoom-in;flex:none;background:var(--surface-2)}
.prev{max-height:160px;border-radius:10px;border:1px solid var(--line)}
.tabs{position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-top:1px solid var(--line);padding:6px max(8px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-left,0px));z-index:5}
.tabs .in{max-width:480px;margin:0 auto;display:flex;justify-content:space-around;gap:2px}
.tab{background:none;border:0;font:inherit;font-size:11.5px;color:var(--muted);padding:6px 4px;border-radius:8px;cursor:pointer;display:grid;justify-items:center;gap:2px;flex:1;min-width:0}
.tab svg{width:22px;height:22px}
.tab.on{color:var(--red);font-weight:600}
.tab .dot{position:relative}
.tab .badge{position:absolute;top:-4px;right:-10px;background:var(--red);color:#fff;font-size:10px;border-radius:99px;padding:0 5px;line-height:16px}
.chat{display:grid;gap:6px;max-height:360px;overflow-y:auto;padding:4px}
.msg{max-width:80%;padding:8px 11px;border-radius:14px;font-size:13.5px}
.msg.me{justify-self:end;background:var(--band-2);color:#fff;border-bottom-right-radius:4px}
.msg.them{justify-self:start;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg time{display:block;font-size:10.5px;opacity:.7}
.inline{display:flex;gap:8px}
.inline input{flex:1;min-width:0}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.contact{font-size:12.5px;color:var(--muted);text-align:center;padding-top:4px}
.contact b{color:var(--fg);user-select:all}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(80px + env(safe-area-inset-bottom,0px));background:var(--fg);color:var(--bg);padding:9px 14px;border-radius:10px;font-size:13px;z-index:20;max-width:90%}
.modal{position:fixed;inset:0;background:rgba(5,10,20,.75);display:grid;place-items:center;z-index:30;padding:20px}
.modal img{max-width:100%;max-height:80vh;border-radius:12px;background:#fff}
.empty{color:var(--muted);font-size:13px;text-align:center;padding:12px}
.note{font-size:12px;color:var(--muted)}
@media (prefers-reduced-motion: no-preference){.toast{animation:up .2s ease-out}@keyframes up{from{opacity:0;transform:translate(-50%,8px)}}}
/* bổ sung cho bản chạy thật */
.tabs .in{overflow-x:auto;justify-content:flex-start;scrollbar-width:none}
.tabs .in::-webkit-scrollbar{display:none}
.tab{min-width:64px}
.loading{padding:28px;text-align:center;color:var(--muted)}
.setup{padding:20px;display:grid;gap:10px}
.setup code{background:var(--surface-2);padding:2px 6px;border-radius:6px}
.search{margin-bottom:4px}
.unread{background:var(--red);color:#fff;border-radius:99px;font-size:10.5px;padding:0 6px;margin-left:4px}
.small-input{max-width:120px}
.match{font-size:12.5px;color:var(--ok);font-weight:600}
.match.bad{color:var(--bad)}
/* chừa chỗ cho nhãn "Powered by Netlify" ở góc dưới */
.tabs{padding-bottom:calc(64px + env(safe-area-inset-bottom,0px))}
.wrap{padding-block:12px 170px}
.toast{bottom:calc(150px + env(safe-area-inset-bottom,0px))}
/* tên và email không chen nhau trên điện thoại */
.hello{flex-wrap:wrap}
.hello .who{min-width:0}
.hello .who b{overflow-wrap:anywhere}
.hello > .sub{overflow-wrap:anywhere;min-width:0}
/* logo và ảnh nền do quản trị tải lên */
.mark.logo{background:#fff;overflow:hidden;padding:3px}
.mark.logo img{width:100%;height:100%;object-fit:contain;display:block}
body.has-bg{background-size:cover;background-position:center;background-attachment:fixed}
.brand-logo{width:72px;height:72px;object-fit:contain;border-radius:12px;border:1px solid var(--line);background:#fff}
.brand-wide{width:100%;max-height:140px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}

/* màn hình chờ khi mở app */
#splash{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  background:#ffffff;transition:opacity .35s ease;padding:24px}
#splash img{width:min(44vw,180px);height:auto;max-width:100%}
#splash .sp-name{font-family:var(--f-num);font-weight:700;font-size:20px;color:#0b3a8c;text-align:center;letter-spacing:.02em;text-wrap:balance;max-width:260px}
#splash .sp-dots{display:flex;gap:8px}
#splash .sp-dots i{width:9px;height:9px;border-radius:50%;background:#f26a1b;display:block;opacity:.3}
#splash.hide{opacity:0;pointer-events:none}
@media (prefers-reduced-motion: no-preference){
  #splash img{animation:spPop .5s ease-out}
  #splash .sp-dots i{animation:spDot 1s infinite ease-in-out}
  #splash .sp-dots i:nth-child(2){animation-delay:.15s}
  #splash .sp-dots i:nth-child(3){animation-delay:.3s}
  @keyframes spPop{from{transform:scale(.85);opacity:0}}
  @keyframes spDot{50%{opacity:1;transform:translateY(-4px)}}
}