:root {
  /* Palette chiara e moderna, neutra con un unico accento blu-ardesia */
  --bg: #F6F7F9;
  --surface: #FFFFFF;
  --ink: #171C26;
  --muted: #6B7482;
  --line: #E9ECF1;
  --line-strong: #DBDFE7;
  --accent: #3E6DAA;         /* link, bottoni, stato attivo */
  --accent-soft: #EAF0F8;
  
  --attesa: #B0812F;         /* in arrivo / attenzione */
  --attesa-soft: #F4EEDF;
  --ritardo: #C25468;        /* in ritardo / guasti gravi */
  --ritardo-soft: #F7E7EA;
  --ok: #3F8F6F;             /* tutto in ordine */
  --shadow: 0 1px 2px rgba(23,28,38,.04), 0 4px 16px rgba(23,28,38,.05);
  --shadow-sm: 0 1px 2px rgba(23,28,38,.05);
  --radius: 14px;
  --radius-sm: 10px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 16.5px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-weight: 600; line-height: 1.2; letter-spacing: -.015em; margin: 0 0 .5rem; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.2rem; margin-top: 2.4rem; }
h3 { font-size: 1rem; margin-top: 1.5rem; color: var(--ink); }
p { margin: 0 0 1rem; max-width: 64ch; }
small, .muted { color: var(--muted); }

/* Header chiaro */
.top { display: flex; align-items: center; gap: 1.5rem; padding: .85rem 1.5rem; background: rgba(255,255,255,.85); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; flex-wrap: wrap; }
.brand { font-size: 1.15rem; font-weight: 700; letter-spacing: -.02em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.top nav { display: flex; gap: .3rem; }
.top nav a { color: var(--muted); padding: .35rem .7rem; border-radius: 8px; font-size: .93rem; font-weight: 500; }
.top nav a:hover { color: var(--ink); background: var(--bg); text-decoration: none; }
.top nav a[aria-current] { color: var(--accent); background: var(--accent-soft); }
.who { margin-left: auto; font-size: .88rem; color: var(--muted); }
main { max-width: 800px; margin: 0 auto; padding: 2.2rem 1.5rem 5rem; }
.flash { background: var(--accent-soft); color: var(--accent); padding: .7rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1.5rem; font-size: .95rem; }

/* Home */
.hero { font-size: 1.75rem; font-weight: 600; letter-spacing: -.02em; line-height: 1.25; margin: .3rem 0 1.8rem; max-width: 24ch; }
.hero.ok { color: var(--ok); }
.hero.attenzione { color: var(--ritardo); }
.riassunto { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.riassunto div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1.1rem; box-shadow: var(--shadow-sm); flex: 1; min-width: 150px; }
.riassunto b { font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; display: block; }
.riassunto span { color: var(--muted); font-size: .85rem; }

/* Liste */
.lista { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.impegno { display: grid; grid-template-columns: 6.5rem 1fr auto; gap: 1rem; align-items: center; padding: .8rem 1rem; border-bottom: 1px solid var(--line); color: inherit; border-left: 3px solid transparent; }
.impegno:last-child { border-bottom: none; }
.impegno:hover { background: var(--bg); text-decoration: none; }
.impegno .quando { font-size: .82rem; color: var(--muted); }
.impegno .cosa strong { font-weight: 600; display: block; }
.impegno .cosa small { display: block; color: var(--muted); }
.impegno .meta { text-align: right; font-size: .9rem; color: var(--muted); }
.impegno .meta em { font-style: normal; display: block; }
.impegno.ritardo { border-left-color: var(--ritardo); }
.impegno.ritardo .quando { color: var(--ritardo); font-weight: 600; }
.impegno.oggi, .impegno.presto { border-left-color: var(--attesa); }
.impegno.oggi .quando, .impegno.presto .quando { color: var(--attesa); font-weight: 600; }
.vuoto { padding: 1.1rem; color: var(--muted); }
.lista .vuoto { border-bottom: 1px solid var(--line); }
.lista .vuoto:last-child { border-bottom: none; }

/* Struttura casa */
.piano { margin-top: 1.8rem; }
.ambienti { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .7rem; margin-top: .6rem; }
.ambiente { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; color: inherit; box-shadow: var(--shadow-sm); transition: transform .12s, box-shadow .12s, border-color .12s; }
.ambiente:hover { border-color: var(--line-strong); box-shadow: var(--shadow); transform: translateY(-1px); text-decoration: none; }
.ambiente strong { font-weight: 600; display: block; }
.ambiente small { display: block; color: var(--muted); }
.ambiente.nuovo { border-style: dashed; color: var(--muted); display: flex; align-items: center; box-shadow: none; background: transparent; }
.ambiente.nuovo:hover { border-color: var(--accent); background: var(--surface); }
.elementi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.elemento { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: .8rem 1rem; border-bottom: 1px solid var(--line); color: inherit; }
.elemento:last-child { border-bottom: none; }
.elemento:hover { background: var(--bg); text-decoration: none; }
.elemento strong { font-weight: 600; }
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: .4rem; }
.crumbs a { color: var(--muted); }

/* Card e form */
.card, form.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.4rem; margin: 1rem 0; box-shadow: var(--shadow-sm); }
label { display: block; font-size: .88rem; color: var(--muted); margin: .9rem 0 .3rem; font-weight: 500; }
label:first-child { margin-top: 0; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], select, textarea {
  width: 100%; padding: .6rem .7rem; font: inherit; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
textarea { min-height: 4.5rem; resize: vertical; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
button, .btn { font: inherit; font-size: .93rem; font-weight: 600; padding: .6rem 1.1rem; border-radius: var(--radius-sm); border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; display: inline-block; transition: filter .12s; }
button:hover, .btn:hover { filter: brightness(1.06); text-decoration: none; }
button.secondario, .btn.secondario { background: var(--surface); color: var(--accent); }
button.secondario:hover, .btn.secondario:hover { background: var(--accent-soft); }
button.link { background: none; border: none; color: var(--muted); padding: 0; font-weight: 500; text-decoration: underline; }
button.pericolo { background: var(--surface); border-color: var(--ritardo); color: var(--ritardo); }
button.pericolo:hover { background: var(--ritardo-soft); filter: none; }
.azioni { display: flex; gap: .7rem; align-items: center; margin-top: 1.3rem; flex-wrap: wrap; }
.azioni small { color: var(--muted); }
.inline { display: flex; gap: .6rem; align-items: end; }
.inline label { margin: 0 0 .3rem; }
.inline > div { flex: 1; }

/* Piano manutenzione proposto */
.proposta { display: grid; grid-template-columns: auto 1fr 9rem; gap: .8rem; align-items: center; padding: .7rem 0; border-bottom: 1px solid var(--line); }
.proposta:last-of-type { border-bottom: none; }
.proposta input[type=checkbox] { width: 1.15rem; height: 1.15rem; accent-color: var(--accent); }
.proposta small { display: block; color: var(--muted); }

/* Dettaglio */
.dettaglio dl { display: grid; grid-template-columns: 9rem 1fr; gap: .4rem 1rem; margin: 1rem 0; }
.dettaglio dt { color: var(--muted); font-size: .9rem; }
.dettaglio dd { margin: 0; }
.stato-badge { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .82rem; font-weight: 500; }
.stato-badge.ritardo { background: var(--ritardo-soft); color: var(--ritardo); }
.stato-badge.oggi, .stato-badge.presto { background: var(--attesa-soft); color: var(--attesa); }
.stato-badge.vicino, .stato-badge.lontano { background: var(--accent-soft); color: var(--accent); }

/* Storico */
.storico { list-style: none; padding: 0; margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.storico li { padding: .8rem 1rem; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 8rem 1fr auto; gap: 1rem; align-items: center; }
.storico li:last-child { border-bottom: none; }
.storico small { color: var(--muted); }

/* Login */
.login { max-width: 400px; margin: 4rem auto; }
.login .card { box-shadow: var(--shadow); }

/* Spese */
.mese-nav { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.mese-nav h1 { margin: 0; min-width: 11rem; }
.mese-nav > a:first-child, .mese-nav > a:nth-child(3) { font-size: 1.4rem; color: var(--muted); width: 2.2rem; height: 2.2rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--line); }
.mese-nav > a:hover { text-decoration: none; background: var(--surface); border-color: var(--line-strong); }
.barre { display: flex; gap: .35rem; align-items: flex-end; height: 100px; margin: 1rem 0 .5rem; padding-bottom: 1.4rem; }
.barra { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; position: relative; }
.barra:hover { text-decoration: none; }
.barra i { display: block; width: 100%; max-width: 34px; background: var(--accent-soft); border-radius: 5px 5px 0 0; }
.barra.attiva i { background: var(--accent); }
.barra small { position: absolute; bottom: -1.4rem; font-size: .7rem; color: var(--muted); }

/* Icone elementi */
.ico { vertical-align: middle; flex-shrink: 0; }
.con-icona { display: flex; align-items: center; gap: .6rem; }
h1.con-icona .ico { color: var(--accent); }
.mini-icone { display: flex; gap: .35rem; flex-wrap: wrap; margin: .45rem 0 .1rem; color: var(--accent); opacity: .85; }

/* Selettore dispositivi: raggruppato, ricercabile, compatto */
.aggiungi-dispositivo { margin: 1rem 0 1.5rem; }
.aggiungi-dispositivo > summary { display: inline-flex; align-items: center; gap: .5rem; cursor: pointer; list-style: none; font-weight: 600; font-size: .93rem; padding: .6rem 1.1rem; border-radius: var(--radius-sm); border: 1px solid var(--accent); color: var(--accent); background: var(--surface); }
.aggiungi-dispositivo > summary::-webkit-details-marker { display: none; }
.aggiungi-dispositivo > summary:hover { background: var(--accent-soft); }
.aggiungi-dispositivo[open] > summary { background: var(--accent-soft); }
.picker { margin-top: 1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem 1.3rem; box-shadow: var(--shadow-sm); }
.picker-search { margin-bottom: 1rem; }
.picker-search input { width: 100%; }
.picker-group { margin-top: 1.1rem; }
.picker-group:first-of-type { margin-top: .3rem; }
.picker-group > h4 { margin: 0 0 .6rem; font-size: .78rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.griglia-icone { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: .5rem; }
.icona-btn { display: flex; flex-direction: column; align-items: center; gap: .45rem; padding: .8rem .4rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); cursor: pointer; font-size: .76rem; font-weight: 500; line-height: 1.15; text-align: center; transition: border-color .12s, box-shadow .12s, transform .12s; }
.icona-btn .ico { color: var(--accent); }
.icona-btn:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.icona-btn.attiva { border-color: var(--accent); background: var(--accent-soft); }
.picker-empty { color: var(--muted); font-size: .9rem; padding: .5rem 0; display: none; }

/* Guasti */
.tessera-guasto { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.3rem; margin: 1.5rem 0; background: var(--surface); box-shadow: var(--shadow-sm); }
.tg-head { display: flex; align-items: center; gap: .8rem; margin-bottom: .6rem; }
.badge-guasti { background: var(--ritardo-soft); color: var(--ritardo); padding: .12rem .6rem; border-radius: 999px; font-size: .82rem; font-weight: 600; }
.lista-guasti { list-style: none; padding: 0; margin: 0 0 1rem; }
.guasto { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; padding: .8rem 0 .8rem .9rem; border-bottom: 1px solid var(--line); border-left: 3px solid var(--line); }
.guasto:last-child { border-bottom: none; }
.guasto strong { font-weight: 600; display: block; }
.guasto small { display: block; color: var(--muted); }
.guasto small.desc { margin-top: .25rem; color: var(--ink); }
.guasto.grav-alta { border-left-color: var(--ritardo); }
.guasto.grav-media { border-left-color: var(--attesa); }
.guasto.grav-bassa { border-left-color: var(--accent); }
.risolvi summary, .segnala summary { cursor: pointer; }
.risolvi summary { color: var(--accent); font-size: .9rem; list-style: none; font-weight: 500; }
.risolvi summary::-webkit-details-marker { display: none; }
.risolvi[open] summary { margin-bottom: .5rem; }
.risolvi form { min-width: 260px; }
details.segnala > summary { display: inline-block; }
details.segnala > summary::-webkit-details-marker { display: none; }
.scelte-guasto { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .35rem .8rem; margin-bottom: .5rem; }
.scelta { display: flex; align-items: center; gap: .5rem; margin: 0; color: var(--ink); font-size: .95rem; font-weight: 400; }
.scelta input { width: auto; accent-color: var(--accent); }
.pill-guasto { background: var(--ritardo-soft); color: var(--ritardo); padding: .05rem .5rem; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.impegno.grav-alta { border-left-color: var(--ritardo); }
.impegno.grav-alta .quando, .impegno.grav-media .quando { color: var(--ritardo); font-weight: 600; }
.impegno.grav-media { border-left-color: var(--attesa); }
.impegno.grav-bassa { border-left-color: var(--accent); }

@media (max-width: 600px) {
  html { font-size: 16px; }
  .top { padding: .7rem 1rem; gap: .5rem .8rem; position: static; }
  .top nav { order: 3; width: 100%; overflow-x: auto; }
  .who { margin-left: 0; }
  main { padding: 1.4rem 1rem 3.5rem; }
  .row, .row3 { grid-template-columns: 1fr; gap: 0; }
  .impegno { grid-template-columns: 5rem 1fr; }
  .impegno .meta { grid-column: 2; text-align: left; }
  .impegno .meta em { display: inline; margin-left: .5rem; }
  .proposta { grid-template-columns: auto 1fr; }
  .proposta input[type=date] { grid-column: 2; }
  .storico li { grid-template-columns: 1fr; gap: .2rem; }
  .dettaglio dl { grid-template-columns: 1fr; gap: 0 0; }
  .dettaglio dt { margin-top: .6rem; }
}

/* Presa in carico (dettaglio impegno) */
.carico { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 1rem 0; box-shadow: var(--shadow-sm); }
.carico-stato { margin: 0; font-size: 1.05rem; }
.carico-stato.in-sospeso { color: var(--attesa); }
.carico-stato.preso { color: var(--ink); }

/* Bilancia */
.bilancia-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.4rem 1rem; margin: 0 0 1.6rem; box-shadow: var(--shadow-sm); }
.bil-grafico { text-align: center; }
.bilancia { width: 260px; max-width: 100%; height: auto; }
.bil-lati { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; margin-top: -.5rem; }
.bil-lato { text-align: left; }
.bil-lato.right { text-align: right; }
.bil-nome { display: block; color: var(--muted); font-size: .85rem; }
.bil-lato b { font-size: 1.3rem; font-weight: 700; letter-spacing: -.02em; }
.bil-centro { text-align: center; font-size: .85rem; line-height: 1.3; }
.bil-eq { color: var(--ok); font-weight: 600; }
.bil-diff { color: var(--muted); }
.bil-nota { font-size: .8rem; margin: .8rem 0 0; text-align: center; }

/* Righe con presa in carico rapida (Spese) */
.lista-carico .impegno-carico { display: flex; align-items: center; gap: 1rem; padding: .7rem 1rem; border-bottom: 1px solid var(--line); border-left: 3px solid transparent; }
.lista-carico .impegno-carico:last-child { border-bottom: none; }
.impegno-carico.ritardo { border-left-color: var(--ritardo); }
.impegno-carico.oggi, .impegno-carico.presto { border-left-color: var(--attesa); }
.ic-main { display: grid; grid-template-columns: 6rem 1fr auto; gap: 1rem; align-items: center; flex: 1; color: inherit; }
.ic-main:hover { text-decoration: none; }
.ic-main .quando { font-size: .82rem; color: var(--muted); }
.ic-main .cosa strong { font-weight: 600; display: block; }
.ic-main .cosa small { color: var(--muted); }
.ic-main .imp { font-size: .95rem; color: var(--muted); }
.ic-carico { flex-shrink: 0; }
button.mini { font-size: .82rem; padding: .35rem .7rem; }
.tag-carico { font-size: .82rem; color: var(--muted); background: var(--bg); padding: .25rem .6rem; border-radius: 999px; }
.tag-carico.mio { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
@media (max-width: 600px) {
  .ic-main { grid-template-columns: 4.5rem 1fr; }
  .ic-main .imp { grid-column: 2; }
  .impegno-carico { flex-wrap: wrap; }
}

/* Preset bollette (chip) */
.preset-bollette { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 1.5rem; }
.chip { display: inline-block; padding: .45rem .85rem; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--accent); font-size: .88rem; font-weight: 500; }
.chip:hover { background: var(--accent-soft); border-color: var(--accent); text-decoration: none; }
.chip.vuota { color: var(--muted); }