:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --entrata: #2a78d6;
  --uscita: #eb6834;
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --good-text: #006300;
  --critical-text: #b42e2e;
  --row-hover: #f0efec;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --entrata: #3987e5;
    --uscita: #d95926;
    --good-text: #0ca30c;
    --critical-text: #e66767;
    --row-hover: #242423;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --entrata: #3987e5;
  --uscita: #d95926;
  --good-text: #0ca30c;
  --critical-text: #e66767;
  --row-hover: #242423;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 15px/1.5 var(--font);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 4px; font-weight: 600; }
h2 { font-size: 1.1rem; margin: 0 0 4px; font-weight: 600; }
p { margin: 0; }
.sub { color: var(--ink-2); font-size: 0.9rem; }
.muted { color: var(--muted); }

/* Barra in alto */
header.top {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
header.top .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
header.top .brand { font-weight: 600; color: var(--ink); }
header.top nav { display: flex; gap: 16px; flex: 1; flex-wrap: wrap; }
header.top nav a { color: var(--ink-2); }
header.top nav a.attivo { color: var(--ink); font-weight: 600; }
header.top form { margin: 0; }

main { max-width: 1200px; margin: 0 auto; padding: 24px 16px 64px; }
.intestazione { display: flex; justify-content: space-between; align-items: flex-end;
  gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }

section.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.card-head { display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

/* Riquadri con i numeri */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px; margin-bottom: 20px; }
.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.tiles.kpi { grid-template-columns: 1.5fr repeat(4, 1fr); }
@media (max-width: 1000px) {
  .tiles.kpi { grid-template-columns: repeat(2, 1fr); }
  .tiles.kpi .hero { grid-column: span 2; }
}
@media (max-width: 600px) {
  .tiles.kpi { grid-template-columns: 1fr; }
  .tiles.kpi .hero { grid-column: auto; }
}
.tile .value { white-space: nowrap; }
.tile .label { color: var(--ink-2); font-size: 0.85rem; display: flex; align-items: center; gap: 6px; }
.tile .value { font-size: 1.5rem; font-weight: 600; margin-top: 2px; }
.tile .note { color: var(--muted); font-size: 0.8rem; }
.tile.hero .value { font-size: 2.2rem; }
.key { display: inline-block; width: 10px; height: 10px; border-radius: 3px; flex: none; }
.key.entrata { background: var(--entrata); }
.key.uscita { background: var(--uscita); }
.key.good { background: var(--good); }
.key.warning { background: var(--warning); }
.key.critical { background: var(--critical); }
.pos { color: var(--good-text); }
.neg { color: var(--critical-text); }

/* Grafici */
.grafici { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .grafici { grid-template-columns: 1fr; } }
.chart-box { position: relative; height: 280px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; color: var(--ink-2); font-size: 0.85rem;
  margin-bottom: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

/* Selettore a pillole */
.pills { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.pills a { padding: 4px 12px; color: var(--ink-2); font-size: 0.85rem; }
.pills a + a { border-left: 1px solid var(--border); }
.pills a.attivo { background: var(--row-hover); color: var(--ink); font-weight: 600; }
.pills a:hover { text-decoration: none; background: var(--row-hover); }

/* Tabelle */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { color: var(--ink-2); font-weight: 600; font-size: 0.8rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.wrap { white-space: normal; min-width: 220px; }
tbody tr:hover { background: var(--row-hover); }
tfoot td { font-weight: 600; border-top: 1px solid var(--axis); border-bottom: none; }
tr.vuoto td { color: var(--muted); }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; }

/* Moduli */
form.filtri { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
form.filtri label { display: flex; flex-direction: column; gap: 2px; font-size: 0.8rem; color: var(--ink-2); }
input, select, button {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--axis);
  border-radius: 6px;
  padding: 6px 10px;
}
input[type="checkbox"] { padding: 0; }
form.filtri label.check { flex-direction: row; align-items: center; gap: 6px; padding-bottom: 8px; }
button, .btn {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  display: inline-block;
  border-radius: 6px;
  padding: 6px 14px;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
button.link { background: none; border: none; color: var(--ink-2); font-weight: normal; padding: 0; }
.btn.secondario, button.secondario { background: var(--surface); color: var(--ink); border: 1px solid var(--axis); }

.avviso { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid var(--border); }
.avviso.ok { border-left: 4px solid var(--good); }
.avviso.errore { border-left: 4px solid var(--critical); }
pre { background: var(--page); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px;
  overflow-x: auto; font-size: 0.85rem; }
code { font-size: 0.9em; }

/* Zona di trascinamento per l'import */
.dropzone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 32px 16px;
  border: 2px dashed var(--axis);
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dropzone:hover, .dropzone.sopra { border-color: var(--accent); background: var(--row-hover); }
.dropzone.pieno { border-style: solid; border-color: var(--accent); }
.dropzone .dz-titolo { font-weight: 600; }
.dropzone .dz-sub { color: var(--ink-2); font-size: 0.9rem; }
.dropzone .dz-file { margin-top: 8px; font-weight: 600; color: var(--accent); }

/* Login */
.login { max-width: 360px; margin: 12vh auto 0; }
.login form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }

@media (max-width: 600px) {
  main { padding: 16px 16px 48px; }
  .tile.hero .value { font-size: 1.8rem; }
}