:root {
  --bg: #f4f5f2; --panel: #ffffff; --ink: #1d2320; --muted: #5d6762; --line: #d9ddd8;
  --accent: #1f6f5c; --accent-ink: #ffffff; --warn: #9a5b00; --warn-bg: #fff4de;
  --bad: #a6302a; --bad-bg: #fde9e7; --good: #1f6f3d; --good-bg: #e3f4e8;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: "Cascadia Mono", Consolas, ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151917; --panel: #1e2421; --ink: #e8ece9; --muted: #9aa59f; --line: #2f3833;
    --accent: #4cb095; --accent-ink: #0d1411; --warn: #f0b458; --warn-bg: #3a2d14;
    --bad: #f08a82; --bad-bg: #3d1d1a; --good: #7fd49b; --good-bg: #183020; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 16px; }
.narrow { max-width: 460px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: var(--mono); }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
.row > * { flex: 1 1 160px; }
.grid4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.stat b { display: block; font-size: 1.7rem; font-variant-numeric: tabular-nums; }
.stat.alert { border-color: var(--warn); background: var(--warn-bg); }
label { display: block; font-weight: 600; font-size: .9rem; margin: 10px 0 4px; }
label.check { font-weight: 400; display: flex; gap: 8px; align-items: center; }
input, select, textarea { width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel); color: var(--ink); font: inherit; }
input[type=checkbox], input[type=radio] { width: auto; flex: none; margin-top: 4px; }
label.check { align-items: flex-start; }
button, .btn { display: inline-block; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
button.secondary, .btn.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button:disabled { opacity: .5; cursor: default; }
.inline { display: inline; }
.msg { padding: 10px 14px; border-radius: 8px; margin: 0 0 12px; }
.msg.bad { background: var(--bad-bg); color: var(--bad); }
.msg.good { background: var(--good-bg); color: var(--good); }
.msg.warn { background: var(--warn-bg); color: var(--warn); }
.tag { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: .78rem; font-weight: 600; background: var(--line); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.bad { background: var(--bad-bg); color: var(--bad); }
.tag.good { background: var(--good-bg); color: var(--good); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.num { font-variant-numeric: tabular-nums; }
tr.voided td { text-decoration: line-through; color: var(--muted); }
.thumb { width: 56px; height: 56px; object-fit: cover; border-radius: 6px; display: block; }
.enroll-photo { width: 220px; border-radius: var(--radius); }
.code-box { font-family: var(--mono); font-size: 1.6rem; letter-spacing: .12em; padding: 10px 14px;
  background: var(--bg); border-radius: 8px; display: inline-block; word-break: break-all; }
.link-box { font-family: var(--mono); font-size: .85rem; padding: 10px; background: var(--bg); border-radius: 8px; word-break: break-all; }

/* admin nav */
.topbar { background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; gap: 6px 16px; align-items: center; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
.brand { font-weight: 700; margin-right: 12px; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 4px 14px; flex: 1; }
.topbar nav a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: .92rem; }
.topbar nav a.on { color: var(--ink); }

/* kiosk */
.kiosk { max-width: 520px; margin: 0 auto; padding: 16px; }
.kiosk header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.clock { font-size: 2.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.video-box { position: relative; background: #000; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3/4; }
.video-box video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.video-box .oval { position: absolute; inset: 12% 20%; border: 3px dashed rgba(255,255,255,.7); border-radius: 50%; }
.prompt { position: absolute; left: 0; right: 0; bottom: 0; padding: 14px; background: rgba(0,0,0,.6); color: #fff;
  font-size: 1.25rem; font-weight: 700; text-align: center; }
.bigbtns { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.bigbtns button { padding: 16px; font-size: 1.1rem; }
.hidden { display: none !important; }
.status-line { margin-top: 10px; min-height: 1.5em; }
.result { text-align: center; padding: 28px 16px; border-radius: var(--radius); font-size: 1.2rem; font-weight: 700; }
.result.good { background: var(--good-bg); color: var(--good); }
.result.bad { background: var(--bad-bg); color: var(--bad); }
.result small { display: block; font-weight: 400; font-size: .95rem; margin-top: 6px; }
ol.steps li { margin-bottom: 8px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 8px; }
fieldset.policy { border: 1px solid var(--line); border-radius: 8px; padding: 6px 14px 12px; margin: 12px 0; }
fieldset.policy legend { font-weight: 600; font-size: .9rem; padding: 0 6px; }
.policy-sub { margin: 10px 0 0; }
label.check > span { display: block; }
.tag { white-space: nowrap; }
.flash-overlay { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; }
.flash-overlay.black { background: #000; }
.flash-overlay.red { background: #ff0000; }
.flash-overlay.green { background: #00ff00; }
.flash-overlay.blue { background: #0000ff; }
#flash-msg { color: #fff; font-size: 1.4rem; font-weight: 700; text-align: center; padding: 20px; }
.checks-form { display: grid; gap: 4px; min-width: 220px; }
.checks-form input[name=reason] { padding: 5px 8px; font-size: .85rem; }
.checks-form label.check { margin: 0; font-size: .88rem; }