:root {
  color-scheme: light;
  --bg: #f6f6f4;
  --surface: #fcfcfb;
  --border: #e4e3df;
  --grid: #ecebe7;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #76756f;
  --s1: #2a78d6;   /* vendite */
  --s2: #eb6834;   /* spesa / ACOS */
  --s3: #1baf7a;   /* vendite ads */
  --good: #0f7b3f; --good-bg: #e3f4ea;
  --warn: #8a5a00; --warn-bg: #fdf1d6;
  --bad:  #b42318; --bad-bg:  #fde7e5;
  --primary: #2a78d6;
  --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111110; --surface: #1a1a19; --border: #2e2e2b; --grid: #262624;
    --text: #ffffff; --text-2: #c3c2b7; --muted: #9a998f;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70;
    --good: #5fd08f; --good-bg: #12301f; --warn: #f0b84a; --warn-bg: #3a2c0c; --bad: #ff8a80; --bad-bg: #3d1614;
    --primary: #3987e5;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111110; --surface: #1a1a19; --border: #2e2e2b; --grid: #262624;
  --text: #ffffff; --text-2: #c3c2b7; --muted: #9a998f;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70;
  --good: #5fd08f; --good-bg: #12301f; --warn: #f0b84a; --warn-bg: #3a2c0c; --bad: #ff8a80; --bad-bg: #3d1614;
  --primary: #3987e5;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font-size: 14px; line-height: 1.45; -webkit-font-smoothing: antialiased; }
h1 { font-size: 22px; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 0; font-weight: 600; }
.muted { color: var(--muted); margin: 2px 0 0; }
[hidden] { display: none !important; }

#dash { max-width: 1240px; margin: 0 auto; padding: 24px 16px 48px; display: grid; gap: 16px; }
.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.top-actions { display: flex; gap: 8px; align-items: center; }
.badge { background: var(--warn-bg); color: var(--warn); border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 600; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 3fr 2fr; gap: 16px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

.btn { font: inherit; border-radius: 8px; padding: 8px 14px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn.ghost { background: transparent; }

.filters { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface); flex-wrap: wrap; }
.seg button { font: inherit; border: 0; background: transparent; color: var(--text-2); padding: 7px 12px; cursor: pointer; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--text); color: var(--surface); }
.seg.small button { padding: 4px 10px; font-size: 13px; }
label.inline { display: inline-flex; gap: 6px; align-items: center; color: var(--text-2); }
input, select { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; max-width: 100%; }
#asin-filter { max-width: 260px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.kpi .label { color: var(--text-2); font-size: 12.5px; }
.kpi .value { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; letter-spacing: -0.01em; }
.kpi .delta { font-size: 12px; margin-top: 2px; color: var(--muted); font-variant-numeric: tabular-nums; }
.kpi .delta.up { color: var(--good); } .kpi .delta.down { color: var(--bad); }

.legend { display: flex; gap: 14px; flex-wrap: wrap; color: var(--text-2); font-size: 12.5px; margin-bottom: 4px; }
.legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 6px; }
.chart { position: relative; height: 260px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .axis text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--border); stroke-width: 1; }
.chart .cross { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; }
.empty { display: grid; place-items: center; height: 100%; color: var(--muted); }

.tip { position: fixed; z-index: 10; pointer-events: none; background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 12.5px; box-shadow: 0 6px 20px rgb(0 0 0 / .12); min-width: 160px; }
.tip .t { font-weight: 600; margin-bottom: 4px; }
.tip .r { display: flex; justify-content: space-between; gap: 16px; font-variant-numeric: tabular-nums; }
.tip .r span:first-child { color: var(--text-2); }
.tip i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 9px 10px; text-align: right; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { color: var(--text-2); font-weight: 600; font-size: 12.5px; cursor: pointer; user-select: none; position: sticky; top: 0; background: var(--surface); }
th.l, td.l { text-align: left; }
th.sorted::after { content: " ↓"; } th.sorted.asc::after { content: " ↑"; }
tbody tr { cursor: pointer; } tbody tr:hover { background: var(--bg); }
tbody tr.sel { background: var(--bg); box-shadow: inset 3px 0 0 var(--primary); }
tfoot td { font-weight: 650; border-bottom: 0; border-top: 2px solid var(--border); }
td.name { white-space: normal; min-width: 220px; }
td.name .asin { color: var(--muted); font-size: 12px; display: block; }
td.name .edit { border: 0; background: none; color: var(--muted); cursor: pointer; padding: 0 4px; font-size: 13px; }
td.name input { width: 100%; }
.pill { display: inline-block; border-radius: 999px; padding: 2px 8px; font-size: 12.5px; font-weight: 600; }
.pill.ok { background: var(--good-bg); color: var(--good); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.help { margin-top: 12px; color: var(--text-2); }
.help summary { cursor: pointer; color: var(--text); }
.help li { margin: 4px 0; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; display: grid; gap: 12px; }
.login-card label { display: grid; gap: 4px; color: var(--text-2); }
.error { color: var(--bad); min-height: 1em; margin: 0; }

@media (max-width: 600px) {
  .kpi .value { font-size: 19px; }
  .chart { height: 220px; }
}