:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --text: #1b1f24;
  --muted: #5d6673;
  --border: #dde1e6;
  --accent: #2557a7;
  --ok: #1f7a43;
  --ok-bg: #e5f4ea;
  --fail: #b42318;
  --fail-bg: #fde8e6;
  --blind: #9a5b00;
  --blind-bg: #fff2d6;
  --unconf: #475467;
  --unconf-bg: #e8ecf1;
  --na: #667085;
  --na-bg: #f0f1f3;
  --crit: #b42318;
  --high: #c4320a;
  --warn: #9a5b00;
  --info: #475467;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --panel: #171b21;
    --panel-2: #1e232b;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --border: #2b323c;
    --accent: #7ea6f0;
    --ok: #4cc27c;
    --ok-bg: #12301f;
    --fail: #ff6b5e;
    --fail-bg: #3a1714;
    --blind: #f0b24a;
    --blind-bg: #352712;
    --unconf: #a9b4c2;
    --unconf-bg: #232a33;
    --na: #8b95a3;
    --na-bg: #1f242b;
    --crit: #ff6b5e;
    --high: #ff8a50;
    --warn: #f0b24a;
    --info: #a9b4c2;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
pre { background: var(--panel-2); padding: 10px; border-radius: 8px; overflow-x: auto; white-space: pre-wrap; word-break: break-word; max-height: 420px; }

.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 0.2px; color: var(--text); }
.brand small { color: var(--muted); font-weight: 500; margin-left: 6px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.nav a { padding: 6px 10px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.nav a.active, .nav a:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.userbox { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
.mode { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); }
.mode.dry { color: var(--blind); border-color: var(--blind); }

main { max-width: 1280px; margin: 0 auto; padding: 20px; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 18px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); min-width: 0; }
.panel + .panel { margin-top: 16px; }
.section { margin-top: 22px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, monospace; }

.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.3px; white-space: nowrap; border: 1px solid transparent;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.st-ok { color: var(--ok); background: var(--ok-bg); }
.st-fail { color: var(--fail); background: var(--fail-bg); }
.st-blind { color: var(--blind); background: var(--blind-bg); }
.st-unconf { color: var(--unconf); background: var(--unconf-bg); }
.st-na, .st-none { color: var(--na); background: var(--na-bg); }
.lvl-OPERATIVO { color: var(--ok); background: var(--ok-bg); }
.lvl-GUASTO { color: var(--fail); background: var(--fail-bg); }
.lvl-NON_VERIFICABILE, .lvl-ATTENZIONE { color: var(--blind); background: var(--blind-bg); }
.lvl-NON_CONFIGURATO { color: var(--unconf); background: var(--unconf-bg); }
.sev { font-size: 12px; font-weight: 700; padding: 1px 7px; border-radius: 6px; border: 1px solid currentColor; }
.sev-critical { color: var(--crit); }
.sev-high { color: var(--high); }
.sev-warning { color: var(--warn); }
.sev-info { color: var(--info); }

.hero { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero .big { font-size: 22px; font-weight: 800; padding: 8px 16px; border-radius: 12px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 14px; }
.kpi { background: var(--panel-2); border-radius: 8px; padding: 10px 12px; }
.kpi .v { font-size: 20px; font-weight: 700; }
.kpi .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }

.venue-card .sensors { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin: 12px 0 8px; }
.sensor-pill { text-align: center; border-radius: 8px; padding: 6px 0; font-weight: 700; font-size: 13px; }
.check-card { display: flex; flex-direction: column; gap: 8px; }
.check-card .title { font-weight: 600; }
.history { display: flex; gap: 2px; align-items: flex-end; height: 16px; }
.history span { flex: 1; min-width: 3px; max-width: 10px; height: 100%; border-radius: 2px; }
.history .st-ok { background: var(--ok); }
.history .st-fail { background: var(--fail); }
.history .st-blind { background: var(--blind); }
.history .st-unconf { background: var(--unconf); }
.history .st-na, .history .st-none { background: var(--border); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
tr:last-child td { border-bottom: none; }

.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--border); }
.timeline li { position: relative; padding: 0 0 12px 16px; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.timeline .t-opened::before, .timeline .t-escalated::before, .timeline .t-relapse::before { background: var(--fail); }
.timeline .t-resolved::before, .timeline .t-recovering::before { background: var(--ok); }
.timeline .t-blind::before, .timeline .t-suppressed::before { background: var(--blind); }

form.stack { display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-weight: 600; font-size: 14px; }
label .hint { font-weight: 400; color: var(--muted); font-size: 12px; }
input[type=text], input[type=password], input[type=url], input[type=number], input[type=email], input[type=datetime-local], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); color: var(--text); font: inherit;
}
textarea { min-height: 80px; font-family: ui-monospace, monospace; font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.checkbox { display: flex; gap: 8px; align-items: center; font-weight: 500; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font: inherit; font-weight: 600; cursor: pointer;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--fail); border-color: var(--fail); background: transparent; }
.btn.small { padding: 3px 9px; font-size: 13px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.inline { display: inline; }
.alert { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; border: 1px solid; }
.alert.error { color: var(--fail); background: var(--fail-bg); border-color: var(--fail); }
.alert.warn { color: var(--blind); background: var(--blind-bg); border-color: var(--blind); }
.alert.ok { color: var(--ok); background: var(--ok-bg); border-color: var(--ok); }
.htmx-request .spinner, .htmx-request.spinner { opacity: 1; }
.spinner { opacity: 0; transition: opacity 0.2s; font-size: 12px; color: var(--muted); }
details summary { cursor: pointer; font-weight: 600; }
.login { max-width: 380px; margin: 10vh auto; }
.empty { color: var(--muted); font-style: italic; }
.dep { border-left: 3px solid var(--unconf); padding: 6px 10px; margin-bottom: 8px; background: var(--panel-2); border-radius: 0 8px 8px 0; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); }

@media (max-width: 700px) {
  main { padding: 12px; }
  .topbar { padding: 8px 12px; }
  .venue-card .sensors { grid-template-columns: repeat(3, 1fr); }
  h1 { font-size: 20px; }
  th, td { padding: 6px 4px; font-size: 13px; }
  .hide-sm { display: none; }
}
.card-link { color: inherit; display: block; } .card-link:hover { text-decoration: none; border-color: var(--accent); }
[hidden] { display: none !important; }
.mb { margin-bottom: 12px; }
/* testi tecnici lunghi (percorsi, URL, id) non devono allargare la pagina su smartphone */
main { overflow-wrap: anywhere; }
.grid > .panel + .panel { margin-top: 0; }
.sev, .badge, td .mono, td a.mono { white-space: nowrap; }
@media (max-width: 700px) {
  .topbar { gap: 8px; }
  .nav { flex-wrap: nowrap; overflow-x: auto; order: 3; flex-basis: 100%; -webkit-overflow-scrolling: touch; }
  .nav a { white-space: nowrap; }
  .userbox { margin-left: auto; }
}