/* RentalOS admin: square, angular, black / white / grey. The dark theme is the exact inverse. */
:root {
  --bg: #fff; --fg: #000; --muted: #666; --soft: #f1f1f1; --mid: #cfcfcf; --line: #000;
  --mono: ui-monospace, "SF Mono", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #000; --fg: #fff; --muted: #a0a0a0; --soft: #161616; --mid: #3a3a3a; --line: #fff; color-scheme: dark; }
}
:root[data-theme="dark"] { --bg: #000; --fg: #fff; --muted: #a0a0a0; --soft: #161616; --mid: #3a3a3a; --line: #fff; color-scheme: dark; }

* { box-sizing: border-box; border-radius: 0 !important; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.45 var(--sans); }
body { min-height: 100vh; }
h1, h2, h3 { margin: 0; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
h1 { font-size: 22px; } h2 { font-size: 16px; } h3 { font-size: 13px; }
a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
a:hover { background: var(--fg); color: var(--bg); text-decoration: none; }
code, .mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.right { text-align: right; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.grow { flex: 1; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }

:focus-visible { outline: 3px solid var(--fg); outline-offset: 2px; }

/* layout */
.app { display: grid; grid-template-columns: 220px 1fr; grid-template-rows: auto 1fr; min-height: 100vh; }
.topbar { grid-column: 1 / 3; display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 2px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 20; }
.brand { font-weight: 900; letter-spacing: .12em; text-transform: uppercase; border: 2px solid var(--line); padding: 4px 10px; background: var(--fg); color: var(--bg); text-decoration: none; }
.brand:hover { background: var(--bg); color: var(--fg); }
.company { font-weight: 700; }
.nav { border-right: 2px solid var(--line); padding: 12px 0; display: flex; flex-direction: column; }
.nav a { display: block; padding: 10px 18px; text-decoration: none; text-transform: uppercase; font-size: 13px; font-weight: 700; letter-spacing: .06em; border-left: 6px solid transparent; }
.nav a:hover { background: var(--soft); color: var(--fg); }
.nav a.active { background: var(--fg); color: var(--bg); border-left-color: var(--bg); }
.nav .ver { margin: auto 18px 0; padding-top: 14px; }
.nav .sep { margin: 10px 18px 4px; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.main { padding: 22px; min-width: 0; max-width: 1280px; width: 100%; }
.menu-btn { display: none; }

@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .topbar { grid-column: 1; flex-wrap: wrap; }
  .menu-btn { display: inline-block; }
  .nav { display: none; position: fixed; top: 0; left: 0; bottom: 0; width: 260px; background: var(--bg); z-index: 30; border-right: 2px solid var(--line); overflow-y: auto; }
  .nav.open { display: flex; }
  .scrim { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 25; }
  .main { padding: 14px; }
  .company { flex-basis: 100%; order: 5; }
  /* one compact row: menu, brand, then language / theme / log out on the right; the company name drops to its own line */
  .topbar { gap: 6px; padding: 8px 10px; }
  .topbar .who { display: none; }
  .topbar .brand { padding: 3px 8px; letter-spacing: .06em; font-size: 15px; }
  .topbar .lang-btn { margin-left: auto; }
  .topbar button.small { padding: 4px 8px; }
}

/* super admin (platform) mode: an inverted top bar and its own menu, so it can never be mistaken for a company panel */
.app.platform .topbar { background: var(--fg); color: var(--bg); border-bottom-color: var(--fg); }
.app.platform .topbar .brand { background: var(--bg); color: var(--fg); border-color: var(--bg); }
.app.platform .topbar .brand:hover { background: var(--fg); color: var(--bg); }
.app.platform .topbar .muted { color: var(--bg); opacity: .75; }
.app.platform .topbar button { background: transparent; color: var(--bg); border-color: var(--bg); }
.app.platform .topbar button:hover { background: var(--bg); color: var(--fg); }
.app.platform .company { text-transform: uppercase; letter-spacing: .14em; }
.app.platform .nav { background: var(--soft); }
.app.platform .main { border-top: 6px double var(--line); }
.pay { display: inline-flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }

/* controls */
button, .btn { font: inherit; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; font-size: 12px; padding: 9px 14px; border: 2px solid var(--line); background: var(--bg); color: var(--fg); cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { background: var(--fg); color: var(--bg); }
button.primary, .btn.primary { background: var(--fg); color: var(--bg); }
button.primary:hover, .btn.primary:hover { background: var(--bg); color: var(--fg); }
button.danger { border-style: dashed; }
button:disabled, .btn[aria-disabled="true"] { opacity: .35; cursor: not-allowed; pointer-events: none; }
button.small, .btn.small { padding: 5px 9px; font-size: 11px; }
button.link { border: 0; padding: 0; background: none; text-decoration: underline; text-transform: none; letter-spacing: 0; font-weight: 400; font-size: inherit; }
button.link:hover { background: var(--fg); color: var(--bg); }

input, select, textarea { font: inherit; width: 100%; padding: 9px 10px; border: 2px solid var(--line); background: var(--bg); color: var(--fg); }
input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--fg); padding: 0; }
textarea { min-height: 80px; resize: vertical; }
label.field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
label.field.check { flex-direction: row; align-items: center; gap: 10px; }
label.field .hint { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--muted); font-size: 12px; }
label.field.invalid input, label.field.invalid select, label.field.invalid textarea { border-style: dashed; border-width: 3px; }
.err { text-transform: none; letter-spacing: 0; font-weight: 700; font-size: 12px; }
.err::before { content: "! "; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* surfaces */
.card { border: 2px solid var(--line); padding: 14px; background: var(--bg); }
.card.soft { background: var(--soft); }
.card h3 { margin-bottom: 8px; }
.tiles { display: grid; gap: 0; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); border: 2px solid var(--line); }
.tile { padding: 14px; border-right: 2px solid var(--line); border-bottom: 2px solid var(--line); margin: 0 -2px -2px 0; text-decoration: none; display: block; }
a.tile:hover { background: var(--fg); color: var(--bg); }
.tile .v { font-size: 30px; font-weight: 900; line-height: 1.1; }
.tile .l { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; }
a.tile:hover .l { color: var(--bg); }
.tile.alert { background: var(--fg); color: var(--bg); }
.tile.alert .l { color: var(--bg); }
.badge { display: inline-block; border: 2px solid var(--line); padding: 1px 7px; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; white-space: nowrap; }
.badge.solid { background: var(--fg); color: var(--bg); }
.badge.dash { border-style: dashed; }
.badge.soft { border-color: var(--mid); color: var(--muted); }
.banner { border: 2px solid var(--line); padding: 10px 14px; margin-bottom: 16px; font-weight: 700; }
.banner.warn { border-style: dashed; border-width: 3px; }
.banner.crit { background: var(--fg); color: var(--bg); }
.banner a { color: inherit; }
.banner.crit a:hover { background: var(--bg); color: var(--fg); }
.empty { border: 2px dashed var(--mid); padding: 36px 16px; text-align: center; color: var(--muted); }
.empty .btn, .empty button { margin-top: 12px; }

/* tables */
.table-wrap { overflow-x: auto; border: 2px solid var(--line); }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--mid); vertical-align: top; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; background: var(--soft); border-bottom: 2px solid var(--line); white-space: nowrap; }
th button.sort { border: 0; padding: 0; background: none; font-size: inherit; letter-spacing: inherit; text-transform: inherit; }
th button.sort:hover { background: none; text-decoration: underline; color: inherit; }
tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover td { background: var(--soft); }
tr.hot td { background: var(--soft); font-weight: 700; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pager { display: flex; align-items: center; gap: 10px; justify-content: space-between; margin-top: 12px; flex-wrap: wrap; }
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--line); margin: 18px 0 14px; overflow-x: auto; }
.tabs button { border: 2px solid var(--line); border-bottom: 0; margin-right: -2px; }
.tabs button.active { background: var(--fg); color: var(--bg); }
table.plans { border-collapse: collapse; width: 100%; min-width: 560px; }
table.plans th, table.plans td { border: 2px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
table.plans th.current, table.plans td.current { background: var(--soft); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; }
.kv dt { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
.kv dd { margin: 0; word-break: break-word; min-width: 0; }

@media (max-width: 700px) {
  .kv { grid-template-columns: 1fr; gap: 0; }
  .kv dd { margin-bottom: 10px; }
  table.cards thead { display: none; }
  table.cards, table.cards tbody, table.cards tr, table.cards td { display: block; width: 100%; }
  table.cards tr { border-bottom: 2px solid var(--line); padding: 8px 0; }
  table.cards td { border: 0; padding: 3px 12px; text-align: left; }
  table.cards td[data-label]::before { content: attr(data-label) ": "; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
  .table-wrap { border: 0; }
  table.cards td.num { text-align: left; }
}

/* dialog */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 50; display: flex; align-items: flex-start; justify-content: center; overflow-y: auto; padding: 5vh 12px; }
.dialog { background: var(--bg); border: 3px solid var(--line); width: 100%; max-width: 640px; padding: 18px; box-shadow: 8px 8px 0 var(--fg); }
.dialog.wide { max-width: 920px; }
.dialog .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 10px; }
.dialog .foot { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }
.toasts { position: fixed; right: 14px; bottom: 14px; z-index: 80; display: flex; flex-direction: column; gap: 8px; max-width: calc(100vw - 28px); }
.toast { border: 2px solid var(--line); background: var(--fg); color: var(--bg); padding: 10px 14px; font-weight: 700; max-width: 420px; }
.toast.bad { background: var(--bg); color: var(--fg); border-style: dashed; border-width: 3px; }

/* login */
.center { min-height: 100vh; display: grid; place-items: center; padding: 18px; }
.login { width: 100%; max-width: 440px; border: 3px solid var(--line); padding: 28px; box-shadow: 10px 10px 0 var(--fg); }
.login h1 { font-size: 30px; letter-spacing: .12em; margin-bottom: 4px; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid var(--mid); border-top-color: var(--fg); animation: spin .8s linear infinite; border-radius: 50% !important; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading { padding: 40px; text-align: center; }
.qr { width: 220px; height: 220px; border: 2px solid var(--line); background: #fff; padding: 6px; }
.bar { height: 14px; border: 2px solid var(--line); }
.bar > span { display: block; height: 100%; background: var(--fg); }
.steps { list-style: none; padding: 0; margin: 0; }
.steps li { display: flex; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--mid); align-items: flex-start; }
.steps .mark { width: 22px; height: 22px; border: 2px solid var(--line); flex: none; display: grid; place-items: center; font-weight: 900; }
.steps li.done .mark { background: var(--fg); color: var(--bg); }
.steps li.done .t { text-decoration: line-through; color: var(--muted); }
.drop { border: 3px dashed var(--line); padding: 30px; text-align: center; }
.drop.over { background: var(--soft); }