/* ==========================================================================
   Pannello Fatturazione Elettronica — design system
   ========================================================================== */

:root {
  --blu:        #0b63c5;
  --blu-scuro:  #084a94;
  --blu-tenue:  #e8f1fc;
  --verde:      #17803d;
  --verde-tenue:#e6f6ec;
  --ambra:      #a15c07;
  --ambra-tenue:#fdf3e2;
  --rosso:      #b3261e;
  --rosso-tenue:#fdecea;

  --testo:      #1b2330;
  --testo-2:    #5a6676;
  --testo-3:    #8b95a3;
  --bordo:      #dfe4ea;
  --bordo-2:    #eef1f5;
  --sfondo:     #f4f6f9;
  --superficie: #ffffff;
  --superficie-2:#fafbfc;

  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
  --ombra-1: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.04);
  --ombra-2: 0 4px 12px rgba(16,24,40,.08);
  --ombra-3: 0 12px 32px rgba(16,24,40,.14);
  --sidebar-w: 248px;
  --topbar-h: 58px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--sfondo);
  color: var(--testo);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blu); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
small { font-size: 12px; }
.muted { color: var(--testo-2); }
.muted-3 { color: var(--testo-3); }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

/* ── Icone ─────────────────────────────────────────────────────────── */
.ic { width: 18px; height: 18px; flex: 0 0 auto; }
.ic--sm { width: 14px; height: 14px; }
.ic--lg { width: 22px; height: 22px; }
.ic--brand { width: 24px; height: 24px; color: var(--blu); }

/* ── Struttura ─────────────────────────────────────────────────────── */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--superficie);
  border-right: 1px solid var(--bordo);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
}
.sidebar__brand {
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 10px;
  padding: 0 18px;
  border-bottom: 1px solid var(--bordo-2);
  font-weight: 700; font-size: 16px; letter-spacing: -.02em;
}
.sidebar__actions { padding: 14px; display: grid; gap: 8px; }
.sidebar__foot { margin-top: auto; padding: 14px 18px; border-top: 1px solid var(--bordo-2); font-size: 12px; }

.nav { padding: 4px 10px 16px; overflow-y: auto; }
.nav__item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; margin-bottom: 1px;
  border-radius: var(--r-sm);
  color: var(--testo); font-weight: 500;
  transition: background .12s, color .12s;
}
.nav__item:hover { background: var(--bordo-2); text-decoration: none; }
.nav__item .ic { color: var(--testo-2); }
.nav__item.is-active { background: var(--blu-tenue); color: var(--blu-scuro); font-weight: 600; }
.nav__item.is-active .ic { color: var(--blu); }
.nav__sep {
  margin: 16px 12px 6px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; color: var(--testo-3);
}

.main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: var(--topbar-h);
  background: var(--superficie);
  border-bottom: 1px solid var(--bordo);
  display: flex; align-items: center; gap: 12px;
  padding: 0 18px;
  position: sticky; top: 0; z-index: 30;
}
.topbar__spacer { flex: 1 1 auto; }
.topbar__burger { display: none; }
.topbar__anno { display: flex; align-items: center; gap: 8px; }
.topbar__anno label { font-size: 12px; color: var(--testo-2); font-weight: 600; }
.topbar__anno select {
  border: 1px solid var(--bordo); border-radius: var(--r-sm);
  padding: 5px 8px; background: var(--superficie); font: inherit; font-size: 13px;
}

.content { padding: 22px 26px 60px; max-width: 1560px; width: 100%; }

/* ── Bottoni ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 8px 14px; border-radius: var(--r-sm); border: 1px solid transparent;
  background: var(--superficie); color: var(--testo);
  font: inherit; font-weight: 600; font-size: 13.5px; cursor: pointer;
  transition: background .12s, border-color .12s, box-shadow .12s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--blu); color: #fff; }
.btn--primary:hover { background: var(--blu-scuro); }
.btn--ghost { border-color: var(--bordo); color: var(--testo); }
.btn--ghost:hover { background: var(--bordo-2); }
.btn--danger { background: var(--rosso); color: #fff; }
.btn--danger:hover { filter: brightness(.92); }
.btn--success { background: var(--verde); color: #fff; }
.btn--sm { padding: 5px 10px; font-size: 12.5px; }
.btn--block { width: 100%; }
.btn[disabled], .btn.is-disabled { opacity: .5; pointer-events: none; }

.iconbtn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--r-sm);
  border: 1px solid transparent; background: transparent; color: var(--testo-2);
  cursor: pointer;
}
.iconbtn:hover { background: var(--bordo-2); color: var(--testo); }
.iconbtn--bordered { border-color: var(--bordo); }

/* ── Chip e dropdown ───────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 12px;
  border: 1px solid var(--bordo); border-radius: 999px;
  background: var(--superficie); cursor: pointer; font: inherit; font-size: 13px;
  max-width: 260px;
}
.chip:hover { background: var(--superficie-2); }
.chip__label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.chip--user { padding-left: 4px; }
.avatar {
  width: 27px; height: 27px; border-radius: 50%;
  background: var(--blu); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px;
}

.dropdown { position: relative; }
.dropdown__menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 240px;
  background: var(--superficie); border: 1px solid var(--bordo);
  border-radius: var(--r); box-shadow: var(--ombra-3);
  padding: 6px; z-index: 50; display: none;
}
.dropdown__menu--right { left: auto; right: 0; }
.dropdown.is-open .dropdown__menu { display: block; }
.dropdown__head {
  padding: 8px 10px 6px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; color: var(--testo-3);
}
.dropdown__head small { display: block; text-transform: none; letter-spacing: 0; color: var(--testo-2); font-weight: 500; }
.dropdown__item {
  display: block; padding: 8px 10px; border-radius: var(--r-sm);
  color: var(--testo); font-size: 13.5px;
}
.dropdown__item:hover { background: var(--bordo-2); text-decoration: none; }
.dropdown__item.is-active { background: var(--blu-tenue); color: var(--blu-scuro); }
.dropdown__item small { display: block; color: var(--testo-3); }
.dropdown__item--danger { color: var(--rosso); }
.dropdown__sep { height: 1px; background: var(--bordo-2); margin: 6px 4px; }

/* ── Card ──────────────────────────────────────────────────────────── */
.card {
  min-width: 0;
  background: var(--superficie);
  border: 1px solid var(--bordo);
  border-radius: var(--r-lg);
  box-shadow: var(--ombra-1);
  margin-bottom: 18px;
  overflow: hidden;
}
.card__head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--bordo-2);
}
.card__title { font-size: 15px; font-weight: 650; }
.card__actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.card__body { padding: 18px; }
.card__body--flush { padding: 0; }
.card__foot { padding: 12px 18px; border-top: 1px solid var(--bordo-2); background: var(--superficie-2); }

.page-head {
  display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.page-head h1 { font-size: 22px; }
.page-head__sub { color: var(--testo-2); font-size: 13.5px; margin-top: 3px; }
.page-head__actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Griglie ───────────────────────────────────────────────────────── */
.grid { display: grid; gap: 18px; }
/* Senza questo i figli non scendono sotto la larghezza del contenuto e le
   tabelle o i blocchi di codice sfondano il layout sugli schermi stretti. */
.grid > * { min-width: 0; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--kpi { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
/* Contenuto principale + colonna laterale (form, dettagli, riepiloghi) */
.grid--split { grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr); }

/* ── KPI ───────────────────────────────────────────────────────────── */
.kpi {
  background: var(--superficie); border: 1px solid var(--bordo);
  border-radius: var(--r-lg); padding: 16px 18px; box-shadow: var(--ombra-1);
  display: flex; flex-direction: column; gap: 4px;
}
.kpi__label { font-size: 12px; font-weight: 600; color: var(--testo-2); text-transform: uppercase; letter-spacing: .04em; }
.kpi__value { font-size: 25px; font-weight: 700; letter-spacing: -.02em; }
.kpi__meta { font-size: 12.5px; color: var(--testo-3); }
.kpi--ok .kpi__value { color: var(--verde); }
.kpi--warn .kpi__value { color: var(--ambra); }
.kpi--err .kpi__value { color: var(--rosso); }
.kpi--blu .kpi__value { color: var(--blu); }

/* ── Tabelle ───────────────────────────────────────────────────────── */
.tablewrap { overflow-x: auto; max-width: 100%; }
pre { max-width: 100%; overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tbl th, table.tbl td { padding: 11px 14px; text-align: left; vertical-align: middle; }
table.tbl thead th {
  background: var(--superficie-2); color: var(--testo-2);
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  border-bottom: 1px solid var(--bordo); white-space: nowrap; position: sticky; top: 0; z-index: 1;
}
table.tbl tbody tr { border-bottom: 1px solid var(--bordo-2); }
table.tbl tbody tr:hover { background: var(--superficie-2); }
table.tbl tbody tr:last-child { border-bottom: none; }
table.tbl td.num, table.tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.tbl .riga-azioni { display: flex; gap: 4px; justify-content: flex-end; }
table.tbl tr.is-scaduta td:first-child { box-shadow: inset 3px 0 0 var(--rosso); }

.filtri {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end;
  padding: 14px 18px; border-bottom: 1px solid var(--bordo-2); background: var(--superficie-2);
}
.filtri .campo { margin: 0; }
.filtri .campo label { font-size: 11.5px; }

.vuoto { padding: 48px 20px; text-align: center; color: var(--testo-2); }
.vuoto__icona { width: 44px; height: 44px; color: var(--testo-3); margin-bottom: 10px; }
.vuoto h3 { font-size: 16px; margin-bottom: 4px; }

/* ── Badge ─────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 650; white-space: nowrap;
  border: 1px solid transparent;
}
.badge--ok      { background: var(--verde-tenue); color: var(--verde); border-color: #bfe3cc; }
.badge--warn    { background: var(--ambra-tenue); color: var(--ambra); border-color: #f3ddb5; }
.badge--err     { background: var(--rosso-tenue); color: var(--rosso); border-color: #f4c7c3; }
.badge--info    { background: var(--blu-tenue);   color: var(--blu-scuro); border-color: #c5ddf7; }
.badge--neutral { background: var(--bordo-2);     color: var(--testo-2); border-color: var(--bordo); }

/* ── Form ──────────────────────────────────────────────────────────── */
.campo { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.campo label { font-size: 12.5px; font-weight: 600; color: var(--testo-2); }
.campo .hint { font-size: 12px; color: var(--testo-3); }
.campo input, .campo select, .campo textarea, .input {
  border: 1px solid var(--bordo); border-radius: var(--r-sm);
  padding: 8px 10px; font: inherit; font-size: 13.5px;
  background: var(--superficie); color: var(--testo); width: 100%;
  transition: border-color .12s, box-shadow .12s;
}
.campo input:focus, .campo select:focus, .campo textarea:focus, .input:focus {
  outline: none; border-color: var(--blu); box-shadow: 0 0 0 3px rgba(11,99,197,.12);
}
.campo textarea { min-height: 76px; resize: vertical; }
.campo--inline { flex-direction: row; align-items: center; gap: 8px; }
.campo--inline input[type=checkbox] { width: auto; }
.campo--errore input, .campo--errore select { border-color: var(--rosso); }
fieldset { border: none; margin: 0 0 8px; padding: 0; }
legend {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--testo-3); padding: 0 0 10px;
}
.form-grid { display: grid; gap: 0 16px; grid-template-columns: repeat(12, 1fr); }
.c1{grid-column:span 1}.c2{grid-column:span 2}.c3{grid-column:span 3}.c4{grid-column:span 4}
.c5{grid-column:span 5}.c6{grid-column:span 6}.c7{grid-column:span 7}.c8{grid-column:span 8}
.c9{grid-column:span 9}.c10{grid-column:span 10}.c12{grid-column:span 12}

.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13.5px; }
.switch input { appearance: none; width: 36px; height: 20px; border-radius: 999px; background: var(--bordo); position: relative; cursor: pointer; transition: background .15s; }
.switch input::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: var(--ombra-1); }
.switch input:checked { background: var(--blu); }
.switch input:checked::after { transform: translateX(16px); }

/* ── Alert ─────────────────────────────────────────────────────────── */
.alert {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: var(--r); margin-bottom: 16px;
  border: 1px solid; font-size: 13.5px;
}
.alert .ic { margin-top: 1px; }
.alert--info    { background: var(--blu-tenue);   border-color: #c5ddf7; color: var(--blu-scuro); }
.alert--ok      { background: var(--verde-tenue); border-color: #bfe3cc; color: var(--verde); }
.alert--warn    { background: var(--ambra-tenue); border-color: #f3ddb5; color: var(--ambra); }
.alert--err     { background: var(--rosso-tenue); border-color: #f4c7c3; color: var(--rosso); }
.alert ul { margin: 6px 0 0; padding-left: 18px; }

/* ── Paginazione ───────────────────────────────────────────────────── */
.pager { display: flex; align-items: center; gap: 10px; justify-content: space-between; flex-wrap: wrap; }
.pager__pages { display: flex; gap: 4px; }
.pager__pages a, .pager__pages span {
  min-width: 32px; height: 32px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--bordo); border-radius: var(--r-sm);
  font-size: 13px; color: var(--testo); background: var(--superficie);
}
.pager__pages a:hover { background: var(--bordo-2); text-decoration: none; }
.pager__pages .is-current { background: var(--blu); border-color: var(--blu); color: #fff; font-weight: 650; }
.pager__pages .is-disabled { opacity: .4; pointer-events: none; }

/* ── Grafici ───────────────────────────────────────────────────────── */
.chart { width: 100%; height: 260px; display: block; }
.chart-legend { display: flex; gap: 16px; justify-content: center; margin-top: 8px; font-size: 12.5px; color: var(--testo-2); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.chart__tip {
  position: absolute; pointer-events: none; background: #1b2330; color: #fff;
  padding: 6px 9px; border-radius: var(--r-sm); font-size: 12px; white-space: nowrap;
  box-shadow: var(--ombra-2); opacity: 0; transition: opacity .1s; z-index: 20;
}

/* ── Righe documento (editor fattura) ──────────────────────────────── */
.righe { width: 100%; border-collapse: collapse; }
.righe th {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--testo-3); font-weight: 700; text-align: left; padding: 0 6px 6px;
}
.righe td { padding: 3px 6px; vertical-align: top; }
.righe input, .righe select { width: 100%; padding: 7px 8px; font-size: 13px; }
.righe tbody tr:hover .riga-del { opacity: 1; }
.riga-del { opacity: .35; transition: opacity .12s; }
.totali { margin-left: auto; width: 320px; }
.totali__riga { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13.5px; }
.totali__riga--totale {
  border-top: 2px solid var(--testo); margin-top: 6px; padding-top: 10px;
  font-size: 17px; font-weight: 700;
}

/* ── Dettaglio fattura ─────────────────────────────────────────────── */
.dl { display: grid; grid-template-columns: max-content 1fr; gap: 7px 18px; font-size: 13.5px; }
.dl dt { color: var(--testo-2); font-weight: 600; }
.dl dd { margin: 0; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--bordo-2); }
.timeline li:last-child { border-bottom: none; }
.timeline__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--blu); margin-top: 6px; flex: 0 0 auto; }
.timeline__dot--err { background: var(--rosso); }
.timeline__dot--ok { background: var(--verde); }

/* ── Login ─────────────────────────────────────────────────────────── */
.login {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: linear-gradient(160deg, #eef3fa 0%, #f7f9fc 55%, #eef3fa 100%);
}
.login__card {
  width: 100%; max-width: 400px; background: var(--superficie);
  border: 1px solid var(--bordo); border-radius: var(--r-lg);
  box-shadow: var(--ombra-3); padding: 30px 28px;
}
.login__brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; margin-bottom: 4px; }
.login__sub { color: var(--testo-2); font-size: 13.5px; margin-bottom: 22px; }

/* ── Pagina errore ─────────────────────────────────────────────────── */
.errpage { max-width: 560px; margin: 70px auto; text-align: center; }
.errpage__code { font-size: 56px; font-weight: 800; color: var(--blu); letter-spacing: -.03em; }

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .grid--split { grid-template-columns: 1fr; }
}
@media (max-width: 880px) {
  .sidebar {
    position: fixed; left: 0; top: 0; transform: translateX(-100%);
    transition: transform .18s ease; box-shadow: var(--ombra-3);
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open::after {
    content: ""; position: fixed; inset: 0; background: rgba(16,24,40,.4); z-index: 35;
  }
  .topbar__burger { display: inline-flex; }
  .content { padding: 16px 14px 48px; }
  .grid--2, .grid--3, .grid--4, .grid--split { grid-template-columns: 1fr; }
  .form-grid > [class^="c"] { grid-column: span 12; }
  .totali { width: 100%; }
  .chip__label { display: none; }
  .chip { max-width: none; }
}
@media print {
  .sidebar, .topbar, .page-head__actions, .filtri, .card__actions { display: none !important; }
  .content { padding: 0; }
  .card { border: none; box-shadow: none; }
}