*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;padding-top:env(safe-area-inset-top,0px)}
body{margin:0}
img{max-width:100%}
.who{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.who button{font:inherit;font-size:12px;border:1.5px solid var(--line);background:var(--card);color:var(--muted);border-radius:8px;padding:4px 8px;cursor:pointer}

/* login */
.login{max-width:420px;margin:8vh auto 0;display:flex;flex-direction:column;gap:14px}
.login form{display:flex;flex-direction:column;gap:12px}
.login label{display:flex;flex-direction:column;gap:6px;font-weight:500}
.login .hint{font-size:12.5px;color:var(--muted);font-weight:400}

/* live scanner */
.scanner{position:fixed;inset:0;z-index:20;background:#000;display:flex;flex-direction:column}
.scanner video{flex:1;width:100%;min-height:0;object-fit:cover}
.scanner .frame{position:absolute;left:10%;right:10%;top:35%;height:22%;border:3px solid #fff;border-radius:12px;box-shadow:0 0 0 9999px rgba(0,0,0,.45);pointer-events:none}
.scanner .bar2{display:flex;justify-content:space-between;align-items:center;gap:10px;color:#fff;
  padding:14px max(16px,env(safe-area-inset-right,0px)) calc(14px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));background:#000}
.scanner .bar2 button{font:inherit;font-weight:700;padding:10px 16px;border-radius:10px;border:1.5px solid #fff;background:transparent;color:#fff;cursor:pointer}
.scanner .top2{position:absolute;top:0;left:0;right:0;color:#fff;text-align:center;padding:calc(16px + env(safe-area-inset-top,0px)) 16px 12px;font-weight:700;text-shadow:0 1px 3px #000}

.linkbtn{font:inherit;font-size:13px;border:none;background:none;color:var(--accent);text-decoration:underline;cursor:pointer;padding:0;align-self:flex-start}
.src{font-size:12px;color:var(--muted)}