/* Две темы: светлая (по умолчанию) и тёмная. Выбор сотрудника — data-theme на <html>, без выбора — как на устройстве. */
:root {
  --bg: #f3f4f6; --card: #fff; --field: #fff; --soft: #f8fafc; --hover: #f8fafc; --ink: #1f2937; --quiet: #6b7280; --line: #e5e7eb;
  --accent: #0f766e; --on-accent: #fff; --accent-soft: #f0fdfa; --bad: #dc2626; --good: #16a34a; --warn: #d97706; --bad-line: #f3c3c3;
  --nav: #0f172a; --nav-ink: #cbd5e1; --nav-head: #fff; --nav-quiet: #94a3b8; --nav-group: #64748b; --nav-act: #1e293b;
  --chip: #e5e7eb; --blue-bg: #dbeafe; --blue: #1e40af; --good-bg: #dcfce7; --good-ink: #166534; --bad-bg: #fee2e2; --bad-ink: #991b1b; --warn-bg: #fef3c7; --warn-ink: #92400e; --busy-line: #bfdbfe;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1418; --card: #161e24; --field: #1b252c; --soft: #121a1f; --hover: #1a242b; --ink: #e4e9ed; --quiet: #95a2ad; --line: #27323a;
    --accent: #2dd4bf; --on-accent: #04201d; --accent-soft: #10302d; --bad: #f87171; --good: #4ade80; --warn: #fbbf24; --bad-line: #5a2a2a;
    --nav: #090d10; --nav-ink: #b3bfc9; --nav-head: #fff; --nav-quiet: #7d8a96; --nav-group: #5b6873; --nav-act: #1a242b;
    --chip: #27323a; --blue-bg: #172a46; --blue: #9cc3ff; --good-bg: #11301f; --good-ink: #8ee6ad; --bad-bg: #3a1618; --bad-ink: #ffaaa5; --warn-bg: #3a2b0c; --warn-ink: #f6cf6b; --busy-line: #2c4a75;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1418; --card: #161e24; --field: #1b252c; --soft: #121a1f; --hover: #1a242b; --ink: #e4e9ed; --quiet: #95a2ad; --line: #27323a;
  --accent: #2dd4bf; --on-accent: #04201d; --accent-soft: #10302d; --bad: #f87171; --good: #4ade80; --warn: #fbbf24; --bad-line: #5a2a2a;
  --nav: #090d10; --nav-ink: #b3bfc9; --nav-head: #fff; --nav-quiet: #7d8a96; --nav-group: #5b6873; --nav-act: #1a242b;
  --chip: #27323a; --blue-bg: #172a46; --blue: #9cc3ff; --good-bg: #11301f; --good-ink: #8ee6ad; --bad-bg: #3a1618; --bad-ink: #ffaaa5; --warn-bg: #3a2b0c; --warn-ink: #f6cf6b; --busy-line: #2c4a75;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--accent); text-decoration: none; }
button { font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--field); color: var(--ink); border-radius: 8px; padding: 7px 12px; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
button.danger { color: var(--bad); border-color: var(--bad-line); }
button.small { padding: 3px 9px; font-size: 13px; }
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input, select, textarea { font: inherit; border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; width: 100%; background: var(--field); color: var(--ink); }
textarea { min-height: 80px; resize: vertical; }
label { display: block; font-size: 13px; color: var(--quiet); margin: 10px 0 4px; }
label.inline { display: flex; align-items: center; gap: 8px; margin: 6px 0; color: var(--ink); font-size: 15px; }
label.inline input { width: auto; }
.layout { display: flex; min-height: 100vh; }
nav { width: 230px; background: var(--nav); color: var(--nav-ink); padding: 18px 12px; flex-shrink: 0; }
nav .firm { color: var(--nav-head); font-weight: 600; font-size: 16px; margin: 0 12px 4px; }
nav .who { color: var(--nav-quiet); font-size: 13px; margin: 0 12px 16px; }
nav .group { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--nav-group); margin: 14px 12px 4px; }
nav a { display: block; color: var(--nav-ink); padding: 8px 12px; border-radius: 8px; margin-bottom: 2px; }
nav a.active, nav a:hover { background: var(--nav-act); color: var(--nav-head); }
main { flex: 1; padding: 24px 28px; max-width: 1100px; min-width: 0; }
h2 { margin: 0 0 16px; font-size: 22px; }
h3 { margin: 18px 0 8px; font-size: 16px; }
.card h3:first-child { margin-top: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow-x: auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.tile .n { font-size: 24px; font-weight: 600; }
.tile .t { font-size: 13px; color: var(--quiet); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--quiet); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }
td.num { font-variant-numeric: tabular-nums; }
tr.click { cursor: pointer; }
tr.click:hover, tr.sel { background: var(--hover); }
tr.off td { opacity: .55; }
.quiet { color: var(--quiet); font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.sp { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 16px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 16px; align-items: start; }
.chip { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 10px; background: var(--chip); margin: 1px 4px 1px 0; white-space: nowrap; }
.chip.blue { background: var(--blue-bg); color: var(--blue); }
.chip.bad { background: var(--bad-bg); color: var(--bad-ink); }
.chip.good { background: var(--good-bg); color: var(--good-ink); }
.chip.warn { background: var(--warn-bg); color: var(--warn-ink); }
button.chip { border: 0; cursor: pointer; font-size: 12px; padding: 2px 9px; }
.mp { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; margin-right: 8px; white-space: nowrap; }
.mp i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.opt { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; margin-bottom: 8px; background: var(--field); cursor: pointer; color: var(--ink); }
.opt input { width: auto; margin-right: 6px; }
.opt.on { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.opt b { font-size: 14px; }
.opt .quiet { display: block; margin-left: 22px; }
.contact-row { display: grid; grid-template-columns: 130px 1fr 1fr auto; gap: 8px; margin-bottom: 6px; }
.cells { display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 4px; margin-top: 6px; }
.cells span { border: 1px solid var(--line); border-radius: 6px; text-align: center; font-size: 12px; padding: 3px 0; background: var(--field); font-variant-numeric: tabular-nums; }
.calc { background: var(--soft); border: 1px dashed var(--line); border-radius: 10px; padding: 10px 12px; font-variant-numeric: tabular-nums; }
.calc b { font-size: 17px; color: var(--accent); }
.result { border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; margin-bottom: 8px; cursor: pointer; background: var(--field); }
.result:hover { border-color: var(--accent); }
.result.taken { cursor: default; opacity: .7; }
.msg { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; }
.msg.err { background: var(--bad-bg); color: var(--bad-ink); }
.msg.ok { background: var(--good-bg); color: var(--good-ink); }
.msg.info { background: var(--accent-soft); color: var(--ink); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; background: var(--field); }
.seg button.on { background: var(--accent); color: var(--on-accent); font-weight: 600; }
.login { max-width: 420px; margin: 70px auto; }
.login h1 { font-size: 22px; margin: 0 0 4px; }
.perm-group { margin-bottom: 10px; }
.perm-group .gname { font-weight: 600; margin: 10px 0 4px; }
.toast { position: fixed; bottom: 20px; right: 20px; background: #0f172a; color: #fff; padding: 10px 16px; border-radius: 10px; opacity: 0; transition: opacity .2s; z-index: 10; }
.toast.show { opacity: 1; }
.soon { opacity: .6; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
@media (max-width: 800px) {
  .layout { flex-direction: column; }
  nav { width: auto; }
  main { padding: 16px; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .contact-row { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { .toast { transition: none; } }