:root {
  /* Фирменные цвета серии WorkTime */
  --brand: #4B2BE0; --brand-600: #3E20C9; --brand-50: #EEEAFD; --focus: #FFC53D;
  --bg: #F6F4FE; --surface: #fff; --text: #0F0D1A; --muted: #5B5873; --border: #E6E3F2;
  --accent: var(--brand); --accent-text: #fff; --ok: #12a150; --off: #a6a3b8; --danger: #d92d20; --row: var(--brand-50);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F0D1A; --surface: #1A1729; --text: #EDEBF7; --muted: #9C98B5; --border: #2D2945;
    --accent: #8C74FF; --accent-text: #fff; --ok: #3fb950; --off: #6e6a85; --danger: #ff6b5e; --row: #242038;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; -webkit-font-smoothing: antialiased; background: var(--bg); color: var(--text); }
[hidden] { display: none !important; }
h2 { font-size: 16px; margin: 24px 0 10px; }
h3 { margin: 0 0 14px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--danger); margin: 4px 0; }
code, .mono { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }

button, .button {
  font: inherit; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 8px 16px; border-radius: 12px; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block;
}
button:hover, .button:hover { border-color: var(--accent); }
button.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
button.primary:hover { background: var(--brand-600); }
button.danger { color: var(--danger); }
button.link { border: 0; background: none; color: var(--accent); padding: 4px 6px; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 11px; min-width: 0;
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
label { display: grid; gap: 4px; }
label.check { display: flex; align-items: center; gap: 6px; }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: -.01em; }
.brand .muted { font-weight: 400; font-size: 14px; }
.brand-lg { font-size: 24px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: var(--brand); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 28px; box-shadow: 0 20px 50px -20px rgba(43, 22, 140, .35); }
.login-card { width: min(380px, 100%); display: grid; gap: 12px; }

.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 10px 20px;
  background: var(--brand); color: #fff; position: sticky; top: env(safe-area-inset-top, 0px); z-index: 2;
  box-shadow: 0 6px 20px -8px rgba(20, 8, 80, .5);
}
.topbar .brand img { background: #fff; border-radius: 8px; padding: 2px; }
.topbar .brand .muted { color: rgba(255,255,255,.75); }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.tabs button { border: 0; background: none; padding: 8px 12px; border-radius: 10px; color: rgba(255,255,255,.8); font-weight: 500; }
.tabs button:hover { color: #fff; background: rgba(255,255,255,.12); }
.tabs button.active { background: #fff; color: var(--brand); font-weight: 600; }
.me { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,.85); }
.me button.link { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
main { padding: 16px 20px 40px; max-width: 1400px; margin: 0 auto; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 12px; }
.toolbar input[type=search] { flex: 1 1 260px; }
.toolbar label:not(.check) { display: flex; align-items: center; gap: 6px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 16px 18px; }
.stat b { display: block; font-size: 28px; color: var(--accent); font-weight: 800; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); }

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--row); }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
td.actions { white-space: nowrap; text-align: right; }
.empty { padding: 24px; text-align: center; color: var(--muted); }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--off); margin-right: 6px; }
.dot.on { background: var(--ok); }
.badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge.admin { color: var(--accent); border-color: var(--accent); }
.badge.off { color: var(--danger); border-color: var(--danger); }

.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 10px; color: var(--muted); }

.books { display: grid; gap: 12px; }
.book { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 14px 16px; }
.book header { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.book header b { font-size: 15px; }
.book header .spacer { flex: 1; }
.book .rules { margin-top: 6px; color: var(--muted); }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 18px; padding: 18px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; word-break: break-all; }
@media (max-width: 600px) { .kv { grid-template-columns: 1fr; } .kv dd { margin-bottom: 8px; } }

dialog { border: 1px solid var(--border); border-radius: 18px; padding: 22px; background: var(--surface); color: var(--text); width: min(520px, calc(100% - 32px)); }
dialog::backdrop { background: rgba(15, 13, 26, .45); }
#dialog-body { display: grid; gap: 12px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.rule-row { display: grid; grid-template-columns: 1fr 170px auto; gap: 8px; align-items: center; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg);
  padding: 9px 16px; border-radius: 10px; z-index: 10; max-width: calc(100% - 32px); }

/* Телефон: вкладки одной прокручиваемой строкой под логотипом */
@media (max-width: 760px) {
  .topbar { gap: 8px 12px; padding: 10px 16px; }
  .brand { flex: 1; }
  .tabs { order: 3; flex: 1 1 100%; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .tabs button { white-space: nowrap; flex: none; }
  main { padding: 12px 16px 32px; }
}