/* ============================================================
   Quadraconto — Demo dimostrativa
   Design system allineato al sito quadraconto
   ============================================================ */

:root {
  --ink: #071626;
  --ink-2: #0d2135;
  --ink-3: #16304a;
  --ink-soft: #324659;
  --warm: #f5f9fc;
  --card: #ffffff;
  --border: #e3e9f0;
  --border-strong: #cfd9e4;
  --muted: #667c91;
  --teal: #0cacb4;
  --teal-dark: #0a8f96;
  --success: #12a06f;
  --amber: #d99320;
  --danger: #d93a2b;
  --violet: #6b5bd2;

  --radius: 10px;
  --sidebar-w: 268px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", ui-monospace, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--warm);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; font-size: inherit; cursor: pointer; }
input, select { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }

.tnum { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); font-size: 12px; }

/* ---------- Layout ---------- */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
  transition: grid-template-columns 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}
/* menu laterale richiuso: resta la sola colonna di icone */
.app.nav-collapsed { --sidebar-w: 68px; }

/* ---------- Sidebar ---------- */

.sidebar {
  background: var(--ink);
  overflow-x: hidden;
  color: rgba(255, 255, 255, 0.86);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand-name { font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.brand-name span { color: var(--teal); }
.brand-sub {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: rgba(255, 255, 255, 0.38);
  margin-top: 1px;
}

.nav-group { padding: 18px 12px 4px; }
.nav-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: rgba(255, 255, 255, 0.34);
  padding: 0 10px 8px;
  font-weight: 700;
}

.mod-btn {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.72);
  padding: 11px 12px;
  border-radius: var(--radius);
  margin-bottom: 4px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.mod-btn:hover { background: rgba(255, 255, 255, 0.05); color: #fff; }
.mod-btn.active {
  background: rgba(12, 172, 180, 0.13);
  border-color: rgba(12, 172, 180, 0.35);
  color: #fff;
}
.mod-btn + .mod-btn { margin-top: 8px; }
.mod-btn .ico { flex: none; margin-top: 1px; color: var(--teal); }
.mod-btn-t { font-weight: 700; font-size: 13.5px; }
.mod-btn-d { font-size: 11.5px; color: rgba(255, 255, 255, 0.42); margin-top: 2px; line-height: 1.35; }

/* ---------- Banner di sezione centrale (vetro smerigliato) ----------
   Galleggia sopra il contenuto: restando appiccicato sotto l'intestazione,
   sfoca ciò che gli scorre dietro. */

.tabs-wrap {
  position: sticky;
  /* 56 + 16 di padding = il banner si ferma 10px sotto l'intestazione */
  top: 56px;
  z-index: 30;
  display: flex;
  justify-content: center;
  padding: 16px 20px 2px;
  pointer-events: none;
}

.tabs {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  max-width: 100%;
  padding: 5px;
  border-radius: 999px;
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow:
    0 12px 36px -14px rgba(7, 22, 38, 0.34),
    0 2px 6px -2px rgba(7, 22, 38, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 15px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  transition: background 0.16s, color 0.16s, box-shadow 0.16s;
}
.tab:hover { background: rgba(255, 255, 255, 0.7); color: var(--ink); }
.tab.on {
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 5px 14px -5px rgba(7, 22, 38, 0.6);
}

.tab .pill {
  font-size: 10.5px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 99px;
  background: rgba(7, 22, 38, 0.07);
  color: var(--muted);
}
.tab .pill.danger { background: rgba(217, 58, 43, 0.13); color: var(--danger); }
.tab .pill.amber { background: rgba(217, 147, 32, 0.18); color: #a86f0d; }
/* dentro la scheda attiva (scura) i contatori si schiariscono */
.tab.on .pill { background: rgba(255, 255, 255, 0.16); color: rgba(255, 255, 255, 0.9); }
.tab.on .pill.danger { color: #ffb3ab; }
.tab.on .pill.amber { color: #f3cd8a; }

.sidebar-foot {
  margin-top: auto;
  padding: 16px 20px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.5;
}
.sidebar-foot b { color: rgba(255, 255, 255, 0.6); font-weight: 700; }

/* ---------- Menu laterale richiuso ---------- */

.app.nav-collapsed .brand { justify-content: center; padding: 18px 0; }
.app.nav-collapsed .brand-text,
.app.nav-collapsed .nav-label,
.app.nav-collapsed .mod-btn-text,
.app.nav-collapsed .sidebar-foot { display: none; }
.app.nav-collapsed .nav-group { padding: 14px 10px 4px; }
.app.nav-collapsed .mod-btn { justify-content: center; padding: 12px 0; gap: 0; }
.app.nav-collapsed .mod-btn .ico { margin-top: 0; }

/* ---------- Topbar ---------- */

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

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 26px;
  height: 62px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-toggle {
  flex: none;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  margin-left: -6px;
  transition: background 0.14s, color 0.14s, border-color 0.14s;
}
.nav-toggle:hover { background: var(--warm); color: var(--ink); border-color: var(--border); }
.nav-toggle:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

.topbar h1 { font-size: 17px; font-weight: 800; margin: 0; letter-spacing: -0.01em; }
.topbar .crumb { font-size: 12px; color: var(--muted); margin-top: 1px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  background: var(--warm);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 5px 11px;
}
.chip .dot { width: 7px; height: 7px; border-radius: 99px; background: var(--success); }
.chip .dot.live { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.avatar {
  width: 30px; height: 30px; border-radius: 99px;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700;
}

.content { padding: 14px 26px 60px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--ink);
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.14s, border-color 0.14s, transform 0.14s;
  white-space: nowrap;
}
.btn:hover { background: var(--warm); border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--teal); border-color: var(--teal); color: #fff; }
.btn.primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); }
.btn.dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.dark:hover { background: var(--ink-3); border-color: var(--ink-3); }
.btn.sm { padding: 4px 9px; font-size: 12px; border-radius: 7px; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--warm); color: var(--ink); }
.btn[disabled] { opacity: 0.45; pointer-events: none; }

/* ---------- Cards / panels ---------- */

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.panel-h {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}
.panel-h h2 { margin: 0; font-size: 13.5px; font-weight: 800; }
.panel-h .sub { font-size: 12px; color: var(--muted); }
.panel-h .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.panel-b { padding: 16px; }
.panel-f {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--warm);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---------- KPI ---------- */

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 18px;
}
.kpi { background: var(--card); padding: 14px 16px; }
.kpi-l {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
}
.kpi-v { font-size: 24px; font-weight: 800; margin-top: 4px; letter-spacing: -0.02em; }
.kpi-d { font-size: 11.5px; color: var(--muted); margin-top: 2px; }

/* ---------- Toolbar / filters ---------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.field { display: inline-flex; align-items: center; gap: 6px; }
.field label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  font-weight: 700;
}
select, input[type="text"], input[type="search"], input[type="date"] {
  border: 1px solid var(--border-strong);
  background: var(--card);
  border-radius: 8px;
  padding: 6px 9px;
  color: var(--ink);
  outline: none;
  max-width: 210px;
}
select:focus, input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(12, 172, 180, 0.15); }

/* ---------- Table ---------- */

.tbl-wrap { overflow-x: auto; }
table.tbl { font-size: 13px; }
table.tbl thead th {
  text-align: left;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  font-weight: 700;
  padding: 10px 11px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
}
table.tbl thead th.sortable { cursor: pointer; user-select: none; }
table.tbl thead th.sortable:hover { color: var(--ink); }
table.tbl thead th .arrow { opacity: 0.35; margin-left: 3px; }
table.tbl thead th.sorted .arrow { opacity: 1; color: var(--teal); }
table.tbl td {
  padding: 10px 11px;
  border-bottom: 1px solid #eef2f6;
  white-space: nowrap;
}
table.tbl tbody tr { transition: background 0.1s; }
table.tbl tbody tr:hover { background: #f7fafd; }
table.tbl tbody tr.sel { background: rgba(12, 172, 180, 0.07); }
table.tbl tbody tr.clickable { cursor: pointer; }
.num { text-align: right; }
.dim { color: var(--muted); }
.strong { font-weight: 600; }
.empty { padding: 46px 16px; text-align: center; color: var(--muted); }

/* ---------- Badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 99px;
  border: 1px solid;
  white-space: nowrap;
}
.badge .d { width: 6px; height: 6px; border-radius: 99px; background: currentColor; }
.b-quadrato   { color: var(--success); background: rgba(18, 160, 111, 0.1);  border-color: rgba(18, 160, 111, 0.28); }
.b-arrot      { color: var(--teal);    background: rgba(12, 172, 180, 0.1);  border-color: rgba(12, 172, 180, 0.28); }
.b-lieve      { color: #a86f0d;        background: rgba(217, 147, 32, 0.13); border-color: rgba(217, 147, 32, 0.32); }
.b-grave      { color: var(--danger);  background: rgba(217, 58, 43, 0.1);   border-color: rgba(217, 58, 43, 0.28); }
.b-nontrovato { color: var(--ink-soft);background: rgba(50, 70, 89, 0.08);   border-color: rgba(50, 70, 89, 0.22); }
.b-compensato { color: var(--violet);  background: rgba(107, 91, 210, 0.1);  border-color: rgba(107, 91, 210, 0.3); }
.b-info       { color: var(--muted);   background: #f1f5f9;                  border-color: var(--border-strong); }
.b-online     { color: var(--success); background: rgba(18, 160, 111, 0.1);  border-color: rgba(18, 160, 111, 0.28); }
.b-offline    { color: var(--danger);  background: rgba(217, 58, 43, 0.1);   border-color: rgba(217, 58, 43, 0.28); }

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--warm);
  border: 1px solid var(--border);
  color: var(--muted);
}
.tag.verified { background: rgba(18,160,111,0.1); border-color: rgba(18,160,111,0.28); color: var(--success); font-weight: 700; }

/* ---------- Grids ---------- */

.split { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start; }
@media (max-width: 1240px) { .split { grid-template-columns: 1fr; } }

/* La tabella delle quadrature ha 8 colonne: sotto questa larghezza la colonna
   Stato finirebbe fuori vista, quindi la colonna laterale passa sotto. */
@media (max-width: 1480px) { .split.wide-left { grid-template-columns: 1fr; } }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }

/* ---------- Riepilogo list ---------- */

.sum-list { list-style: none; margin: 0; padding: 0; }
.sum-list li {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 18px;
  padding: 9px 0; border-bottom: 1px solid #eef2f6; font-size: 13px;
}
.sum-list li:last-child { border-bottom: 0; }
.sum-list .k {
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 7px;
  flex: 0 0 auto; white-space: nowrap;
}
/* il valore non deve mai toccare l'etichetta: se e' lungo va a capo a destra */
.sum-list .v { font-weight: 700; text-align: right; flex: 0 1 auto; min-width: 0; }

/* ---------- Report card (dark) ---------- */

.report {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.82);
  border-radius: 14px;
  padding: 18px;
}
.report h3 {
  margin: 0 0 12px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal);
  display: flex; align-items: center; gap: 7px;
}
.report p { margin: 0 0 10px; font-size: 12.8px; line-height: 1.62; }
.report .foot { font-size: 11px; color: rgba(255, 255, 255, 0.4); margin: 0; }
.report .rk { color: #fff; font-weight: 700; }

/* ---------- Chart ---------- */

.chart { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding-top: 8px; }
.chart .col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: 2px; min-width: 0; }
.chart .bar { border-radius: 3px 3px 0 0; transition: opacity 0.15s; }
.chart .col:hover .bar { opacity: 0.72; }
.chart-x { display: flex; gap: 6px; margin-top: 6px; }
.chart-x span { flex: 1; text-align: center; font-size: 10px; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; font-size: 11.5px; color: var(--muted); }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; }

/* ---------- Upload simulator ---------- */

.drop {
  border: 2px dashed var(--border-strong);
  border-radius: 12px;
  padding: 26px;
  text-align: center;
  background: var(--warm);
  transition: border-color 0.15s, background 0.15s;
}
.drop:hover { border-color: var(--teal); background: rgba(12, 172, 180, 0.04); }
.drop .big { font-weight: 700; font-size: 14px; }
.drop .small { color: var(--muted); font-size: 12.5px; margin-top: 4px; }

.filelist { list-style: none; margin: 14px 0 0; padding: 0; }
.filerow {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 140px 92px 92px;
  gap: 10px;
  align-items: center;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  margin-bottom: 7px;
  background: var(--card);
  font-size: 12.5px;
}
.filerow.pending { opacity: 0.45; }
.filerow.err { border-color: rgba(217, 58, 43, 0.4); background: rgba(217, 58, 43, 0.035); }
.filerow .fname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.conf-wrap { display: flex; align-items: center; gap: 6px; }
.conf-bar { flex: 1; height: 5px; border-radius: 99px; background: var(--border); overflow: hidden; }
.conf-fill { height: 100%; border-radius: 99px; transition: width 0.5s ease; }

/* ---------- Tanks ---------- */

.tanks { display: grid; grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 10px; }
.tank { border: 1px solid var(--border); border-radius: 10px; padding: 10px; background: var(--card); }
.tank-t { font-size: 11.5px; font-weight: 700; display: flex; justify-content: space-between; gap: 6px; }
.tank-t .pc { font-variant-numeric: tabular-nums; }
.tank-bar { height: 8px; border-radius: 99px; background: #edf2f7; overflow: hidden; margin: 7px 0 6px; }
.tank-fill { height: 100%; border-radius: 99px; }
.tank-d { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- Plant card ---------- */

.pcard {
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--card);
  padding: 14px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.pcard:hover { border-color: var(--teal); box-shadow: 0 8px 24px -16px rgba(7, 22, 38, 0.5); transform: translateY(-1px); }
.pcard.alarm { border-color: rgba(217, 58, 43, 0.35); }
.pcard-h { display: flex; align-items: flex-start; gap: 8px; }
.pcard-n { font-weight: 700; font-size: 14px; }
.pcard-s { font-size: 11.5px; color: var(--muted); }
.pcard-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; font-size: 12px; }
.pcard-row .lbl { color: var(--muted); }

/* ---------- Drawer ---------- */

.scrim {
  position: fixed; inset: 0;
  background: rgba(7, 22, 38, 0.42);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
  z-index: 40;
}
.scrim.open { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(560px, 94vw);
  background: var(--card);
  border-left: 1px solid var(--border);
  box-shadow: -18px 0 50px -30px rgba(7, 22, 38, 0.7);
  transform: translateX(102%);
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 41;
  display: flex; flex-direction: column;
}
.drawer.open { transform: none; }
.drawer-h {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 17px 20px; border-bottom: 1px solid var(--border);
}
.drawer-h h3 { margin: 0; font-size: 16px; font-weight: 800; }
.drawer-h .sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.drawer-b { padding: 18px 20px 30px; overflow-y: auto; flex: 1; }
.drawer-f { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; background: var(--warm); }
.x {
  margin-left: auto; border: 0; background: transparent; color: var(--muted);
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
}
.x:hover { background: var(--warm); color: var(--ink); }

/* ---------- Modal ---------- */

.modal {
  position: fixed; inset: 0; z-index: 50;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal.open { display: flex; }
.modal-card {
  background: var(--card); border-radius: 16px;
  width: min(720px, 100%); max-height: 88vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 40px 90px -40px rgba(7, 22, 38, 0.75);
}

/* ---------- Misc ---------- */

.kv { display: grid; grid-template-columns: 158px 1fr; gap: 7px 14px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }

.note {
  background: rgba(12, 172, 180, 0.06);
  border: 1px solid rgba(12, 172, 180, 0.25);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.55;
}
.note.warn { background: rgba(217, 147, 32, 0.07); border-color: rgba(217, 147, 32, 0.3); }
.note b { font-weight: 700; }

.sec-t { font-size: 11px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); font-weight: 800; margin: 20px 0 9px; }
.sec-t:first-child { margin-top: 0; }

.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 20px);
  background: var(--ink); color: #fff; padding: 11px 18px; border-radius: 10px;
  font-size: 13px; font-weight: 600; opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s; z-index: 60;
  display: flex; align-items: center; gap: 9px;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.demo-ribbon {
  background: rgba(217, 147, 32, 0.12);
  border-bottom: 1px solid rgba(217, 147, 32, 0.3);
  color: #8a6011;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 26px;
  display: flex; align-items: center; gap: 8px;
}

.view { display: none; }
.view.on { display: block; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  /* impilato: richiudere significa nascondere, non restringere */
  .app.nav-collapsed .sidebar { display: none; }
  /* 50 + 12 di padding = il banner si ferma appena sotto l'intestazione (h 62) */
  .tabs-wrap { top: 50px; padding: 12px 12px 2px; justify-content: flex-start; }
  .sidebar { position: static; height: auto; }
  .content { padding: 16px; }
  .topbar { padding: 0 16px; }
}