:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1b1f27;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #14213d;
  --in: #16803c;
  --out: #b42318;
  --entry: #1d4ed8;
  --warn-bg: #fff7d6;
  --warn-line: #f0c84b;
  --ok-bg: #e7f6ec;
  --err-bg: #fdecea;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--entry); }
h1 { font-size: 22px; margin: 4px 0 12px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.wrap { max-width: 560px; margin: 0 auto; padding: 0 16px; }
body.manage .wrap { max-width: 1100px; }
main.wrap { padding-top: 16px; padding-bottom: 40px; }
.top { background: var(--brand); color: #fff; padding-top: env(safe-area-inset-top); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 52px; flex-wrap: wrap; }
.brand { color: #fff; font-weight: 700; text-decoration: none; letter-spacing: .3px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.nav a, .linkbtn { color: #cfd6e6; text-decoration: none; padding: 6px 10px; border-radius: 8px; font-size: 15px; background: none; border: 0; cursor: pointer; font: inherit; }
.nav a.on, .nav a:hover, .linkbtn:hover { background: rgba(255,255,255,.12); color: #fff; }
.inline { display: inline; margin: 0; }
.card { background: var(--card); border-radius: 14px; padding: 16px; margin: 0 0 14px; box-shadow: 0 1px 2px rgba(0,0,0,.05); }
.card.narrow { max-width: 440px; margin-left: auto; margin-right: auto; }
.card.center { text-align: center; }
.card.warn { background: var(--warn-bg); border: 1px solid var(--warn-line); }
.who { font-size: 20px; font-weight: 700; }
.status { color: var(--muted); margin: 4px 0 14px; }
.status.on { color: var(--in); font-weight: 600; }
.btn { display: inline-block; border: 0; border-radius: 10px; padding: 10px 16px; background: var(--brand); color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; text-align: center; }
.btn:disabled { opacity: .6; }
.btn-big { display: block; width: 100%; padding: 18px; font-size: 20px; margin: 0 0 14px; border-radius: 14px; }
.btn-in { background: var(--in); }
.btn-out { background: var(--out); }
.btn-entry { background: var(--entry); }
.btn-ghost { background: transparent; color: var(--brand); border: 1px solid var(--line); }
.btn-small { padding: 6px 10px; font-size: 14px; }
.hint { color: var(--out); font-size: 14px; margin: -6px 0 0; }
.msg { padding: 12px 14px; border-radius: 10px; margin: 0 0 12px; background: var(--ok-bg); }
.msg-error { background: var(--err-bg); }
.msg-warning { background: var(--warn-bg); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.line { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.line:last-child { border-bottom: 0; }
.entry { padding: 8px 0; border-bottom: 1px solid var(--line); }
.card.entry { border-bottom: 0; }
.entry .text { margin-top: 4px; white-space: normal; overflow-wrap: anywhere; }
.thumbs { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.thumbs img { width: 84px; height: 84px; object-fit: cover; border-radius: 8px; background: var(--line); display: block; }
.form label { display: block; font-weight: 600; margin: 12px 0 6px; }
.form input[type=text], .form input[type=password], .form textarea, .form select, .filters input, .filters select {
  width: 100%; font: inherit; padding: 12px; border: 1px solid #cfd4dc; border-radius: 10px; background: #fff; }
.form input[type=file] { width: 100%; margin-bottom: 16px; }
.form .btn-big { margin-top: 16px; }
.form.row { display: flex; gap: 8px; flex-wrap: wrap; }
.form.row input { flex: 1 1 200px; width: auto; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.filters input, .filters select { width: auto; padding: 8px 10px; }
.filters label { display: flex; gap: 6px; align-items: center; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { font-size: 13px; color: var(--muted); font-weight: 600; }
.tbl tr.off td { color: var(--muted); }
.actions form { display: inline-block; margin: 0 4px 4px 0; }
.scroll-x { overflow-x: auto; background: var(--card); border-radius: 14px; }
.sheet th, .sheet td { text-align: center; white-space: nowrap; padding: 6px 5px; font-size: 14px; }
.sheet td.open { background: var(--warn-bg); }
.sheet .sticky { position: sticky; left: 0; background: var(--card); text-align: left; min-width: 180px; }
.pill { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--line); color: var(--ink); }
.pill.on { background: var(--ok-bg); color: var(--in); font-weight: 600; }
.qr { max-width: 260px; margin: 12px auto; }
.qr svg { width: 100%; height: auto; display: block; }
.code { font-size: 34px; font-weight: 700; letter-spacing: 6px; margin: 6px 0; }
.secret { display: block; word-break: break-all; background: var(--bg); padding: 8px; border-radius: 8px; margin: 6px 0; }
.steps { padding-left: 20px; }
.pager { display: flex; gap: 12px; align-items: center; justify-content: center; }
@media (max-width: 640px) {
  .tbl th, .tbl td { padding: 7px 4px; font-size: 14px; }
  .actions form { display: block; }
}