:root {
  --brand: #640cc2;
  --brand-dark: #4b0893;
  --bg: #f5f3fa;
  --card: #fff;
  --text: #1d1a24;
  --muted: #6b6578;
  --line: #e4e0ee;
  --ok: #15803d;
  --warn: #b45309;
  --bad: #b91c1c;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
[hidden] { display: none !important; }
h1 { margin: 8px 0 0; font-size: 22px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--bad); min-height: 1.2em; margin: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-bottom: 16px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 0; }
textarea { font-family: Consolas, monospace; }
button { font: inherit; border-radius: 8px; padding: 8px 14px; cursor: pointer; border: 1px solid var(--line); background: #fff; }
button.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
button.primary:hover { background: var(--brand-dark); }
button.ghost { background: transparent; }
button.danger { color: var(--bad); }
button:disabled { opacity: .6; cursor: default; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: flex; flex-direction: column; gap: 12px; text-align: center; }
.login-logo { height: 56px; margin: 0 auto; }

.top { display: flex; align-items: center; gap: 16px; padding: 12px 24px; background: #fff; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand img { height: 28px; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tabs button { border: none; background: none; padding: 8px 12px; color: var(--muted); border-bottom: 2px solid transparent; border-radius: 0; }
.tabs button[aria-selected="true"] { color: var(--brand); border-bottom-color: var(--brand); font-weight: 600; }
main { max-width: 1360px; margin: 24px auto; padding: 0 16px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; padding: 8px; border-bottom: 1px solid var(--line); }
td { padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td .email { color: var(--muted); font-size: 12px; }
td input[type="time"] { width: 110px; }
.tactical { display: flex; flex-direction: column; gap: 4px; min-width: 260px; }
.tactical input { flex: 1; min-width: 150px; box-sizing: border-box; }
.tactical .state { font-size: 12px; color: var(--muted); }
.actions { display: flex; gap: 6px; flex-wrap: nowrap; justify-content: flex-end; }
.row.nowrap { flex-wrap: nowrap; }
.installer-top { display: flex; gap: 6px; margin-left: 12px; padding-left: 12px; border-left: 1px solid var(--line); align-items: center; }
.tabs .installer-top button { padding: 6px 12px; font-size: 13px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); }
.tabs .installer-top #installer-download { background: var(--brand); border-color: var(--brand); color: #fff; }
.tabs .installer-top #installer-download:hover { background: var(--brand-dark); }
#installer-version { opacity: .8; font-size: 12px; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.online { background: #dcfce7; color: var(--ok); }
.badge.lunch { background: #fef3c7; color: var(--warn); }
.badge.offline { background: #f1f0f4; color: var(--muted); }
.badge.blocked { background: #fee2e2; color: var(--bad); }

.code-box { border-color: var(--brand); }
.code { font: 700 32px Consolas, monospace; letter-spacing: .08em; color: var(--brand); margin: 4px 0; }
#rules-msg { font-size: 14px; }
#rules-msg.ok { color: var(--ok); }
#rules-msg.err { color: var(--bad); }
#rules-form .row { margin-top: 16px; }
/* Activated computers of each technician (row below the technician). */
tr.tech td { border-bottom: none; }
tr.machines-row td { padding-top: 0; }
.machines { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: 13px; }
.m-label { color: var(--muted); font-size: 12px; font-weight: 600; }
.machine { display: flex; align-items: center; gap: 6px; background: #f7f5fc; border: 1px solid var(--line); border-radius: 8px; padding: 4px 6px 4px 10px; }
.machine .dot { width: 8px; height: 8px; border-radius: 50%; background: #9ca3af; }
.machine.on .dot { background: #16a34a; }
button.small { padding: 3px 8px; font-size: 12px; }