:root {
  --brand: #0f6e6e; --brand-dark: #0a5252; --brand-soft: #e3f2f1;
  --bg: #f5f7f8; --card: #fff; --text: #1d2a2f; --muted: #5f6f75; --line: #dde4e6;
  --ok: #1e7d43; --ok-soft: #e4f4ea; --warn: #9a6000; --warn-soft: #fff3dc; --bad: #b42318; --bad-soft: #fde8e6; --info-soft: #e8f0fb; --info: #23539c;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select, textarea { font: inherit; }
a { color: var(--brand); }
.loading { padding: 40px; text-align: center; color: var(--muted); }

header.top { background: var(--brand); color: #fff; padding: 10px 16px; display: flex; align-items: center; gap: 12px; }
header.top .org { font-weight: 700; }
header.top .who { margin-left: auto; font-size: 13px; opacity: .9; text-align: right; }
nav.tabs { display: flex; gap: 6px; overflow-x: auto; padding: 8px 12px; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 4; scrollbar-width: none; }
nav.tabs::-webkit-scrollbar { display: none; }
nav.tabs a { white-space: nowrap; padding: 6px 12px; border-radius: 999px; text-decoration: none; color: var(--text); font-size: 14px; }
nav.tabs a.active { background: var(--brand); color: #fff; }
nav.tabs .sep { border-left: 1px solid var(--line); margin: 0 4px; }
@media (min-width: 900px) { nav.tabs { flex-wrap: wrap; overflow-x: visible; } }

main { max-width: 1100px; margin: 0 auto; padding: 16px; }
main.narrow { max-width: 560px; }
h1 { font-size: 20px; margin: 4px 0 12px; }
h2 { font-size: 16px; margin: 20px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.form-grid { display: grid; gap: 10px 14px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

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 { padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 0; }
label.check { display: flex; gap: 6px; align-items: center; color: var(--text); }
label.check input { width: auto; }

.btn { border: 1px solid var(--line); background: #fff; color: var(--text); padding: 8px 14px; border-radius: 8px; cursor: pointer; }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn.primary:hover { background: var(--brand-dark); }
.btn.danger { color: var(--bad); border-color: #f0c6c1; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: default; }
.btn.duty { display: block; width: 100%; font-size: 19px; font-weight: 700; padding: 18px; border-radius: 14px; }
.btn.duty.in { background: var(--ok); color: #fff; border-color: var(--ok); }
.btn.duty.out { background: var(--bad); color: #fff; border-color: var(--bad); }

.status-card { text-align: center; }
.status-card .state { font-size: 22px; font-weight: 700; margin: 4px 0; }
.status-card .state.on { color: var(--ok); }
.status-card .state.off { color: var(--muted); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.chip { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #eef1f2; color: var(--muted); white-space: nowrap; }
.chip.ok { background: var(--ok-soft); color: var(--ok); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.bad { background: var(--bad-soft); color: var(--bad); }
.chip.info { background: var(--info-soft); color: var(--info); }
.notice { border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; font-size: 14px; }
.notice.warn { background: var(--warn-soft); color: #5c3b00; }
.notice.info { background: var(--info-soft); color: #1b3d73; }
.notice.bad { background: var(--bad-soft); color: #7a1a12; }

.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; cursor: pointer; text-align: left; }
.tile .n { font-size: 26px; font-weight: 700; }
.tile .l { font-size: 13px; color: var(--muted); }
.tile.selected { outline: 2px solid var(--brand); }
.tile.bad .n { color: var(--bad); } .tile.warn .n { color: var(--warn); } .tile.ok .n { color: var(--ok); }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f0f4f5; font-weight: 600; font-size: 13px; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; } tr.click:hover td { background: #f7fbfb; }
.empty { padding: 20px; text-align: center; color: var(--muted); }

.list-item { border-top: 1px solid var(--line); padding: 10px 0; }
.list-item:first-child { border-top: 0; }

.modal { position: fixed; inset: 0; background: rgba(15, 30, 35, .45); display: flex; align-items: flex-start; justify-content: center; padding: 30px 12px; overflow-y: auto; z-index: 20; }
.modal[hidden] { display: none; }
.modal-card { background: #fff; border-radius: 14px; padding: 20px; width: 100%; max-width: 640px; position: relative; }
.only-sm { display: none; }
.modal-card > h1:first-of-type { padding-right: 32px; } /* keep long titles clear of the close button */
.modal-close { position: absolute; right: 10px; top: 6px; border: 0; background: none; font-size: 26px; cursor: pointer; color: var(--muted); }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: #1d2a2f; color: #fff; padding: 10px 16px; border-radius: 10px; z-index: 30; max-width: 90vw; }
.toast.err { background: var(--bad); }

.login { max-width: 380px; margin: 10vh auto; }
.login h1 { text-align: center; color: var(--brand); }
.timeline { border-left: 2px solid var(--line); margin-left: 6px; padding-left: 14px; }
.timeline .ev { margin-bottom: 10px; font-size: 14px; }
pre.json { white-space: pre-wrap; font-size: 12px; background: #f5f7f8; padding: 6px; border-radius: 6px; margin: 4px 0 0; }

@media (max-width: 600px) {
  main { padding: 12px; }
  .hide-sm { display: none; }
  .only-sm { display: block; }
}
.map { height: 280px; border-radius: 10px; border: 1px solid var(--line); margin: 12px 0 4px; background: #eef2f3; }
.map .empty { padding-top: 110px; }