:root {
  --green: #43b749;
  --green-dark: #2f8f35;
  --red: #d64545;
  --yellow: #fff3a6;
  --ink: #1f2a24;
  --muted: #5f6b64;
  --line: #e3e8e4;
  --bg: #f4f7f4;
  --card: #ffffff;
  --accent-text: var(--green-dark);
  --chip: #eef3ef;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef3ef;
    --muted: #a8b3ac;
    --line: #2c3530;
    --bg: #121714;
    --card: #1b221e;
    --accent-text: var(--green);
    --chip: #26302a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
.top { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.logo { height: 28px; }
.title { font-weight: 700; flex: 1; font-size: 15px; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 14px; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 18px; margin: 0 0 10px; }
.muted { color: var(--muted); }
.err { color: var(--red); font-weight: 600; }
input, select { font: inherit; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--ink); width: 100%; }
#loginForm { display: grid; gap: 10px; }
#pin { font-size: 24px; letter-spacing: 6px; text-align: center; }
.btn { font: inherit; font-weight: 700; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn.danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn.big { width: 100%; padding: 16px; font-size: 18px; }
.btn:disabled { opacity: .5; }
.link { background: none; border: 0; color: var(--accent-text); font: inherit; cursor: pointer; text-decoration: underline; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; overflow-x: auto; }
.tabs button { flex: 1; white-space: nowrap; padding: 11px 8px; font-size: 14px !important; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-weight: 700; cursor: pointer; }
.tabs button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.visitbar { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.visitbar label { font-weight: 700; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.stat { background: var(--chip); border-radius: 10px; padding: 10px; text-align: center; }
.stat b { display: block; font-size: 26px; line-height: 1.1; }
.stat span { font-size: 12px; color: var(--muted); }
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.num { font-weight: 900; font-size: 22px; min-width: 44px; text-align: center; border-radius: 8px; padding: 2px 6px; background: var(--chip); }
.num.sp { background: var(--yellow); color: #1f2a24; }
.li-main { flex: 1; min-width: 0; }
.li-main small { display: block; color: var(--muted); font-size: 12px; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 99px; background: var(--chip); margin-left: 4px; }
.tag.sp { background: var(--yellow); color: #1f2a24; }
.tag.ex { background: #ffd9c2; color: #1f2a24; }
.tag.ok { background: var(--green); color: #fff; }
.tag.no { background: var(--red); color: #fff; }
.scanbox { max-width: 760px; margin: 0 auto 12px; padding: 0 16px; }
#reader { border-radius: 12px; overflow: hidden; background: #000; }
#reader video { width: 100% !important; }
.manual { display: flex; gap: 8px; margin-top: 8px; }
.flash { position: fixed; left: 50%; top: 70px; transform: translateX(-50%); width: min(92vw, 520px); padding: 16px 18px; border-radius: 14px; font-size: 18px; font-weight: 700; color: #fff; z-index: 30; box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.flash.ok { background: var(--green-dark); }
.flash.bad { background: var(--red); }
.flash .big { font-size: 40px; font-weight: 900; display: block; line-height: 1.1; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 40; }
.modal-card { background: var(--card); color: var(--ink); border-radius: 16px; padding: 20px; width: min(100%, 480px); max-height: 90vh; overflow: auto; }
.modal-card .actions { display: grid; gap: 8px; margin-top: 14px; }
.modal-card .bignum { font-size: 64px; font-weight: 900; text-align: center; line-height: 1; margin: 6px 0; }
pre.mail { white-space: pre-wrap; font: 13px/1.45 ui-monospace, Consolas, monospace; background: var(--chip); padding: 10px; border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 6px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
.tblwrap { overflow-x: auto; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 120px; }
.grid2 { display: grid; gap: 8px; }
.hint { font-size: 13px; color: var(--muted); }