:root {
  --bg: #eef0f4;
  --surface: #ffffff;
  --surface-2: #f7f8fb;
  --ink: #16202e;
  --muted: #6b7686;
  --line: #e2e6ec;
  --line-strong: #cfd5de;

  --oro: #c49a2e;
  --oro-soft: #f6efd9;
  --argento: #7b8794;
  --argento-soft: #eceff3;

  --fuso: #2e7d6b;
  --fuso-soft: #e2f0ec;
  --sospeso: #d98324;
  --sospeso-soft: #fbecda;

  --shadow: 0 1px 2px rgba(22, 32, 46, .06), 0 4px 14px rgba(22, 32, 46, .05);
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}
.tabular { font-variant-numeric: tabular-nums; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 10px 24px;
  background: var(--ink); color: #fff;
  position: sticky; top: 0; z-index: 30;
}
.brand { display: flex; align-items: center; gap: 16px; }
.brand-logo { height: 60px; width: auto; display: block; }
.brand-wordmark {
  font-family: Georgia, "Times New Roman", serif; font-size: 26px;
  letter-spacing: 3px; font-weight: 600; color: var(--oro);
}
.brand-text h1 { font-size: 18px; margin: 0; font-weight: 700; letter-spacing: -.2px; color: #fff; }
.brand-text p { margin: 1px 0 0; font-size: 12px; color: #aeb7c4; }
.topbar-meta { font-size: 12.5px; color: #c6cdd8; text-align: right; font-variant-numeric: tabular-nums; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.btn-logout {
  border: 1px solid rgba(255, 255, 255, .25); background: transparent; color: #fff;
  border-radius: 7px; padding: 6px 14px; cursor: pointer; font: inherit; font-size: 12.5px; white-space: nowrap;
}
.btn-logout:hover { border-color: var(--oro); color: var(--oro); }

/* ---------- Login ---------- */
.login-screen {
  position: fixed; inset: 0; z-index: 1000; padding: 24px;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 50% -10%, #1c2a3a, var(--ink));
}
.login-card {
  width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 14px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow); padding: 28px 26px;
}
.login-logo { height: 64px; width: auto; align-self: center; margin-bottom: 2px; }
.login-card h1 { font-size: 20px; margin: 0; text-align: center; font-weight: 700; }
.login-sub { margin: -8px 0 6px; text-align: center; color: var(--muted); font-size: 12.5px; }
.login-card > label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); font-weight: 600; }
.login-card input[type=email], .login-card input[type=password] {
  border: 1px solid var(--line-strong); border-radius: 8px; padding: 9px 11px;
  font: inherit; color: var(--ink); background: var(--surface);
}
.login-card input:focus { outline: none; border-color: var(--oro); }
.login-remember { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); font-weight: 500; font-size: 13px; }
.login-remember input { width: 15px; height: 15px; }
.login-error { color: #b4231f; font-size: 12.5px; }
.login-btn {
  margin-top: 4px; border: none; border-radius: 8px; padding: 11px;
  background: var(--oro); color: var(--ink); font: inherit; font-weight: 700; font-size: 14px; cursor: pointer;
}
.login-btn:hover { filter: brightness(1.05); }

/* ---------- Filters ---------- */
.filters {
  display: flex; flex-wrap: wrap; gap: 18px 26px; align-items: flex-end;
  padding: 16px 24px; background: var(--surface);
  border-bottom: 1px solid var(--line); position: sticky; top: 80px; z-index: 20;
}
.filter-block { display: flex; flex-direction: column; gap: 6px; }
.filter-head { display: flex; align-items: center; gap: 8px; }
.filter-block label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--muted); font-weight: 600;
}
.filter-block.is-filtered label { color: var(--oro); }
.filter-block.is-filtered label::before {
  content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--oro); margin-right: 5px; vertical-align: middle;
}
.chip-count { font-size: 10.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.chip-toggle {
  border: none; background: none; padding: 0; cursor: pointer;
  font: inherit; font-size: 10.5px; color: var(--muted); text-decoration: underline;
}
.chip-toggle:hover { color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
/* default = chip DESELEZIONATA (i filtri partono tutti attivi: il deselezionato deve risaltare come "escluso") */
.chip {
  border: 1px dashed var(--line-strong); background: var(--surface);
  color: var(--muted); padding: 5px 11px; border-radius: 999px;
  font-size: 12.5px; cursor: pointer; transition: all .12s; font-weight: 500;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.active { background: var(--ink); color: #fff; border-color: var(--ink); border-style: solid; }
.chip.active.oro { background: var(--oro); border-color: var(--oro); color: var(--ink); }
.chip.active.argento { background: var(--argento); border-color: var(--argento); color: #fff; }
.chip.active.fuso { background: var(--fuso); border-color: var(--fuso); }
.chip.active.sospeso { background: var(--sospeso); border-color: var(--sospeso); }
.range { display: flex; align-items: center; gap: 6px; }
.range span { color: var(--muted); }
input[type=date], select, #searchDetail {
  border: 1px solid var(--line-strong); border-radius: 7px; padding: 6px 9px;
  font: inherit; color: var(--ink); background: var(--surface);
}
.filter-actions { margin-left: auto; }
.btn-reset {
  border: 1px solid var(--line-strong); background: var(--surface-2);
  border-radius: 7px; padding: 7px 14px; cursor: pointer; font: inherit; color: var(--muted);
}
.btn-reset:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- KPIs ---------- */
.kpis {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  padding: 20px 24px 4px;
}
.kpi {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi.lead { border-left: 3px solid var(--ink); }
.kpi.kpi-fuso { border-left: 3px solid var(--fuso); }
.kpi.kpi-sospeso { border-left: 3px solid var(--sospeso); }
.kpi .k-label { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
.kpi .k-value { font-size: 25px; font-weight: 700; margin-top: 4px; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.kpi .k-value small { font-size: 14px; font-weight: 600; color: var(--muted); }
.kpi .k-sub { font-size: 12px; color: var(--muted); margin-top: 5px; font-variant-numeric: tabular-nums; }
.k-sub b { color: var(--ink); font-weight: 600; }

/* ---------- Cards & charts ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-head { padding: 14px 16px 0; }
.card-head h2 { font-size: 14px; margin: 0; font-weight: 700; }
.card-sub { font-size: 12px; color: var(--muted); }
.grid-charts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 16px 24px;
}
/* Andamento giornaliero: tutta la larghezza su una riga; gli altri 3 grafici sotto */
.chart-card.span-2 { grid-column: 1 / -1; }
.chart-wrap { position: relative; padding: 12px 16px 16px; height: 300px; }
.chart-wrap canvas { display: block; }
.chart-wrap.small { height: 240px; }
.chart-card.span-2 .chart-wrap { height: 300px; }

/* ---------- Table card ---------- */
.table-card { margin: 4px 24px 24px; overflow: hidden; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); padding: 0 10px; }
.tab {
  border: none; background: none; padding: 14px 16px; font: inherit; font-weight: 600;
  color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--oro); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.panel-tools {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  border-bottom: 1px solid var(--line); background: var(--surface-2);
}
.panel-hint, .inline { font-size: 12.5px; color: var(--muted); }
.inline { font-weight: 600; }
#searchDetail { min-width: 240px; }
.btn-csv {
  margin-left: auto; border: 1px solid var(--line-strong); background: var(--surface);
  border-radius: 7px; padding: 6px 12px; cursor: pointer; font: inherit; font-size: 12.5px; color: var(--ink);
}
.btn-csv:hover { border-color: var(--ink); }

.table-scroll { overflow-x: auto; max-height: 560px; overflow-y: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  position: sticky; top: 0; background: var(--surface); z-index: 2;
  text-align: right; padding: 10px 14px; font-size: 11.5px; text-transform: uppercase;
  letter-spacing: .4px; color: var(--muted); border-bottom: 1px solid var(--line-strong); white-space: nowrap;
  cursor: pointer; user-select: none;
}
thead th.left { text-align: left; }
thead th .arrow { color: var(--oro); }
tbody td { padding: 9px 14px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; font-variant-numeric: tabular-nums; }
tbody td.left { text-align: left; }
tbody tr:hover { background: var(--surface-2); }
tbody tr.total-row td { font-weight: 700; background: var(--surface-2); border-top: 2px solid var(--line-strong); position: sticky; bottom: 0; }

/* raggruppamento a cascata + treeview */
.group-levels { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.group-levels select { padding: 5px 8px; font-size: 12.5px; }
.group-sep { color: var(--muted); }
.group-add { color: var(--muted); }
.group-remove {
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--muted);
  border-radius: 6px; width: 22px; height: 26px; line-height: 1; cursor: pointer; font-size: 11px;
}
.group-remove:hover { color: var(--ink); border-color: var(--ink); }
.group-tree-actions { display: inline-flex; gap: 10px; }
.btn-link { border: none; background: none; color: var(--muted); cursor: pointer; font: inherit; font-size: 12.5px; padding: 0; }
.btn-link:hover { color: var(--ink); text-decoration: underline; }
.tree-cell { display: inline-flex; align-items: center; gap: 4px; }
.tree-toggle { display: inline-block; width: 14px; text-align: center; color: var(--muted); flex: none; }
.tree-row.has-children { cursor: pointer; }
.tree-row.has-children:hover { background: var(--surface-2); }
.tree-detail td { background: var(--surface-2); color: var(--muted); font-size: 12px; }
.tree-detail .detail-desc { margin-left: 6px; color: var(--ink); }
.tree-detail .badge { font-size: 10px; padding: 1px 7px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.fuso { background: var(--fuso-soft); color: var(--fuso); }
.badge.sospeso { background: var(--sospeso-soft); color: #a8631a; }
.tag-oro { color: var(--oro); font-weight: 600; }
.tag-argento { color: var(--argento); font-weight: 600; }

.foot {
  display: flex; justify-content: space-between; padding: 14px 24px 28px;
  color: var(--muted); font-size: 12px;
}

@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .grid-charts { grid-template-columns: 1fr; }
  .chart-card.span-2 { grid-column: span 1; grid-row: auto; }
  .chart-card.span-2 .chart-wrap { height: 320px; }
}
@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .filters { top: 0; position: static; }
  .kpis { grid-template-columns: 1fr; }
}