:root {
  /* Red and white, always (no dark mode). */
  --bg: #ffffff;
  --card: #ffffff;
  --text: #1f1a1a;
  --muted: #6b6262;
  --line: #ead9d9;
  --brand: #c8102e;
  --brand-dark: #a00c24;
  --brand-soft: #fdecee;
  --red: #b3001b;
  --red-soft: #fff1f2;
  --amber-soft: #fff4dc;
  --amber: #8a5a00;
  --radius: 10px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}
[hidden] { display: none !important; }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

main { max-width: 1100px; margin: 0 auto; padding: 16px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; background: var(--brand); color: #fff;
}
.topbar button.link { color: #fff; }
.brand { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.logo-head {
  width: 40px; height: 40px; border-radius: 8px; background: #fff; object-fit: cover; display: block;
}
.logo-full { display: block; width: min(240px, 70%); height: auto; margin: 0 auto 16px; }
.who { display: flex; align-items: center; gap: 8px; font-size: .95rem; flex-wrap: wrap; justify-content: flex-end; }

.badge {
  font-size: .75rem; font-weight: 600; padding: 2px 8px; border-radius: 999px;
  background: var(--line); color: var(--text); text-transform: uppercase; letter-spacing: .3px;
}
.badge.master { background: var(--brand); color: #fff; }
.topbar .badge { background: rgba(255, 255, 255, .2); color: #fff; }
.badge.manager { background: var(--brand-soft); color: var(--brand); }

.tabs {
  display: flex; gap: 4px; padding: 0 12px; background: var(--card);
  border-bottom: 1px solid var(--line); overflow-x: auto;
}
.tabs button {
  border: 0; background: none; padding: 12px 14px; font: inherit; color: var(--muted);
  border-bottom: 3px solid transparent; cursor: pointer; white-space: nowrap;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--brand); font-weight: 600; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.narrow { max-width: 440px; margin: 24px auto; }

form label { display: block; margin: 0 0 12px; font-weight: 500; }
input, select {
  font: inherit; color: inherit; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px;
}
form label input, form label select { display: block; width: 100%; margin-top: 4px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 12px; padding: 10px 12px; }
fieldset input { width: 100%; margin-bottom: 8px; }
legend { padding: 0 6px; font-weight: 500; }

button {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 9px 14px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
}
button:hover { border-color: var(--muted); }
a.button {
  display: inline-block; text-decoration: none; border-radius: 8px; padding: 9px 14px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
}
a.button.primary { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
a.button.primary:hover { background: var(--brand-dark); }
.kit { margin: 4px 0 14px; padding: 12px; border: 1px dashed var(--line); border-radius: 8px; }
.kit p { margin: 8px 0 0; }
button.primary { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
button.primary:hover { background: var(--brand-dark); }
button.danger { color: var(--red); }
button.link { border: 0; background: none; color: var(--brand); padding: 4px; text-decoration: underline; }
button:disabled { opacity: .55; cursor: default; }

.error { color: var(--red); min-height: 1.2em; margin: 4px 0 10px; font-weight: 500; }
.error:empty { min-height: 0; margin: 0; }
.ok { color: var(--text); font-weight: 600; margin: 4px 0 10px; }
.ok:empty { display: none; }

.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; }
.toolbar.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }

.list { display: grid; gap: 8px; }
.row {
  display: flex; align-items: center; gap: 12px; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
}
.list.compact .row { padding: 8px 10px; }
.row .main { flex: 1; min-width: 0; }
.row .name { font-weight: 600; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row .sub { color: var(--muted); font-size: .875rem; }
.row .btns { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.row .btns button { padding: 6px 10px; font-size: .9rem; }
.empty { color: var(--muted); padding: 20px; text-align: center; }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table.log { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.log th, table.log td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.log th { font-weight: 600; color: var(--muted); white-space: nowrap; }
table.log td.when { white-space: nowrap; }
.ev { font-weight: 600; white-space: nowrap; }
.ev.OPENED { color: var(--text); }
.ev.WRONG_PIN, .ev.LOCKED_OUT, .ev.FAILED { color: var(--red); }
tr.alert { background: var(--red-soft); }
.offline { font-size: .75rem; background: var(--amber-soft); color: var(--amber); padding: 1px 6px; border-radius: 999px; margin-left: 4px; }

.store-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.store-tabs button { border-radius: 999px; padding: 8px 16px; }
.store-tabs button.active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.store-note { margin: 0; }
.reasons-card { margin-bottom: 16px; }
.fixed-reason { margin-top: 8px; border-style: dashed; }
.arrow { min-width: 36px; }
td.reason { font-weight: 500; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form.inline { display: flex; gap: 8px; margin-top: 12px; }
form.inline input, form.inline select { flex: 1; min-width: 0; }
.pair-result {
  margin-top: 14px; padding: 14px; border-radius: 8px; background: var(--brand-soft); text-align: center;
}
.pair-code { font: 700 2rem/1.2 ui-monospace, Consolas, monospace; letter-spacing: 4px; margin: 6px 0; user-select: all; }

dialog {
  border: 1px solid var(--line); border-radius: 12px; padding: 20px; width: min(440px, calc(100vw - 32px));
  background: var(--card); color: var(--text);
}
dialog::backdrop { background: rgba(0,0,0,.45); }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; }
.checks label { display: flex; gap: 8px; align-items: center; font-weight: 400; margin: 0; }
.checks input { width: auto; margin: 0; }
.handoff { background: var(--amber-soft); color: var(--amber); padding: 8px 10px; border-radius: 8px; font-size: .92rem; }
.handoff:empty { display: none; }
.actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

.help { line-height: 1.6; }
.help h2 { margin-top: 1.4rem; }
.help h2:first-child { margin-top: 0; }
.help table { border-collapse: collapse; margin: 8px 0; }
.help td, .help th { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.help code { background: var(--bg); padding: 1px 5px; border-radius: 4px; }

@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
  .toolbar { flex-wrap: wrap; }
  .toolbar select, .toolbar input[type=search] { flex: 1 1 140px; }
  .row { flex-wrap: wrap; }
  .row .btns { width: 100%; justify-content: flex-start; }
  .list.compact .row { flex-wrap: nowrap; }
  .list.compact .row .btns { width: auto; }
  .brand { font-size: .95rem; }
}