:root {
  --bg: #f4f6f2; --card: #fff; --ink: #1e2a1e; --muted: #667066; --line: #dde3da;
  --brand: #2f7d32; --brand-ink: #fff; --red: #c62828; --amber: #b26a00; --green: #2e7d32;
  --red-bg: #fdecea; --amber-bg: #fff4e0; --green-bg: #e8f5e9; --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141814; --card: #1d231d; --ink: #e6ece4; --muted: #9aa597; --line: #2e372d;
    --brand: #4caf50; --red-bg: #3a1d1b; --amber-bg: #3a2d14; --green-bg: #1b331d; --red: #ef7b73; --amber: #f0b454; --green: #7bd17f; }
}
* { 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); }
button, input, select, textarea { font: inherit; color: inherit; }
.topbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between;
  padding: 10px 16px; background: var(--brand); color: var(--brand-ink); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; font-size: 17px; }
nav { display: flex; flex-wrap: wrap; gap: 4px; }
nav button { background: transparent; border: 0; color: var(--brand-ink); padding: 7px 12px; border-radius: 8px; cursor: pointer; opacity: .85; }
nav button.active, nav button:hover { background: rgba(255,255,255,.18); opacity: 1; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 4px 0 14px; } h2 { font-size: 18px; margin: 0 0 12px; } h3 { font-size: 16px; margin: 18px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.spread { justify-content: space-between; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.stat b { display: block; font-size: 26px; } .stat span { color: var(--muted); font-size: 13px; }
.btn, button[type=submit], .actions button, .primary { background: var(--brand); color: #fff; border: 0; border-radius: 8px; padding: 8px 14px; cursor: pointer; }
.ghost { background: transparent !important; color: inherit !important; border: 1px solid var(--line) !important; }
.danger { background: var(--red) !important; color: #fff !important; }
.small { padding: 4px 10px !important; font-size: 13px; }
.link { background: none; border: 0; color: var(--brand); cursor: pointer; padding: 0; text-align: left; font-weight: 600; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
td.num, th.num { text-align: right; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b-overdue, .b-never { background: var(--red-bg); color: var(--red); }
.b-soon { background: var(--amber-bg); color: var(--amber); }
.b-ok { background: var(--green-bg); color: var(--green); }
.b-muted { background: var(--line); color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 12px; }
.muted { color: var(--muted); } .center { text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px 14px; }
.grid .full { grid-column: 1 / -1; }
label { display: block; font-size: 13px; color: var(--muted); }
label > input, label > select, label > textarea { display: block; width: 100%; margin-top: 3px; }
input, select, textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 7px; padding: 7px 9px; }
textarea { min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
.taskpick { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 4px 10px; margin-top: 4px; }
.taskpick label { display: flex; gap: 6px; align-items: center; color: var(--ink); font-size: 14px; }
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 6px 16px; }
.specs div span { display: block; font-size: 12px; color: var(--muted); }
dialog { border: 0; border-radius: 14px; padding: 0; width: min(760px, calc(100vw - 24px)); max-height: 92vh;
  background: var(--card); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog form { padding: 18px; }
.actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.error { color: var(--red); background: var(--red-bg); padding: 8px 10px; border-radius: 7px; }
.auth { max-width: 380px; margin: 40px auto; }
.auth label { margin-bottom: 10px; }
#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: 8px; z-index: 50; }
.empty { padding: 24px; text-align: center; color: var(--muted); }
@media (max-width: 640px) {
  .hide-sm { display: none; }
  main { padding: 12px; }
}
.t-red { color: var(--red); } .t-amber { color: var(--amber); } .mt6 { margin-top: 6px; }
.pre { white-space: pre-wrap; } .nowrap { white-space: nowrap; } .wide { width: 100%; }
a.btn { display: inline-block; text-decoration: none; }
[hidden] { display: none !important; }
@media (max-width: 640px) {
  table.stack thead { display: none; }
  table.stack tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
  table.stack td { display: block; border: 0; padding: 2px 0; text-align: left; }
  table.stack td.num { text-align: left; }
  table.stack td:last-child { margin-top: 6px; }
}
.checkline { display: flex; gap: 8px; align-items: center; color: var(--ink); font-size: 14px; margin: 4px 0; }
label > input[type=checkbox] { display: inline-block; width: auto; margin: 0; flex: none; }
.pwwrap { position: relative; display: block; margin-top: 3px; }
.pwwrap input { display: block; width: 100%; margin: 0; padding-right: 64px; }
.pwtoggle { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); background: none; border: 0;
  color: var(--brand); font-weight: 600; font-size: 13px; cursor: pointer; padding: 4px 8px; border-radius: 5px; }
.pwtoggle:hover { background: var(--bg); }
.authopts { margin: -2px 0 12px; }
.small-link { font-size: 13px; font-weight: 600; }
.notice { color: var(--green); background: var(--green-bg); padding: 8px 10px; border-radius: 7px; }
.grow { flex: 1 1 260px; }
#bizForm { align-items: flex-end; }
.presetlist { margin: 8px 0 0; padding-left: 18px; }
.presetlist li { margin: 3px 0; }
optgroup { font-weight: 700; }
.warnline { color: var(--amber); font-size: 13px; margin: 4px 0 0; }
.authswitch { margin-top: 14px; }
#resendBtn { margin-top: 8px; }
/* Collapsible engine section in the equipment form */
details#eqEngine { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
details#eqEngine summary { cursor: pointer; font-weight: 600; }
details#eqEngine[open] summary { margin-bottom: 10px; }
.engine-grid { margin: 0; }
/* iPhone Safari: date inputs ignore width and collapse when empty */
input[type="date"] { -webkit-appearance: none; appearance: none; min-width: 0; max-width: 100%; min-height: 2.45em; }
input[type="date"]::-webkit-date-and-time-value { text-align: left; }
/* Admin */
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0 16px; }
table.kv td { border: 0; padding: 5px 4px; }
table.kv td:first-child { color: var(--muted); width: 45%; }
.small-text { font-size: 12px; margin-top: 2px; word-break: break-all; }
.barrow { display: grid; grid-template-columns: 170px 1fr 36px; gap: 10px; align-items: center; margin: 8px 0; font-size: 14px; }
.bar { background: var(--bg); border-radius: 5px; height: 12px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--brand); border-radius: 5px; }
.barrow b { text-align: right; }
input.search { min-width: 200px; }
.actlog { list-style: none; padding: 0; margin: 0; }
.actlog li { padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.adminops { margin: 16px 0 8px; gap: 8px; }
.danger-zone { margin-top: 12px; border: 1px solid var(--red-bg); border-radius: 8px; padding: 10px 12px; }
.danger-zone summary { cursor: pointer; color: var(--red); font-weight: 600; }
.danger-zone label { margin: 8px 0; }
@media (max-width: 640px) { .barrow { grid-template-columns: 110px 1fr 30px; } }