/* Stile del sito. Palette fredda con una torsione petrolio: è un sito di misure, non
   una brochure. Tutti i colori passano da variabili, così i due temi restano coerenti. */
:root {
  --ground: #f2f5f6;
  --surface: #ffffff;
  --surface-2: #e9eef0;
  --line: #cdd8dc;
  --line-soft: #e0e8ea;
  --ink: #0e1a1f;
  --ink-2: #3d5158;
  --ink-3: #6b8189;
  --accento: #00506f;
  --accento-soft: #dceaf0;
  --good: #0d6b5b;
  --warn: #8a5a00;
  --warn-soft: #f8ecd4;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0b1316;
    --surface: #111d21;
    --surface-2: #17262b;
    --line: #273a41;
    --line-soft: #1c2c31;
    --ink: #e4edf0;
    --ink-2: #a9bec5;
    --ink-3: #7b9299;
    --accento: #6cc4e8;
    --accento-soft: #10303c;
    --good: #4fbfa5;
    --warn: #d9a441;
    --warn-soft: #33260c;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accento); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px 56px; }

/* ---------- intestazione ---------- */
header.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top-inner {
  max-width: 1180px; margin: 0 auto; padding: 20px 16px 16px;
  display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: flex-end;
  justify-content: space-between;
}
h1 {
  margin: 0; font-size: clamp(22px, 5.5vw, 32px); font-weight: 700;
  letter-spacing: -.02em; line-height: 1.1; text-wrap: balance;
}
.sub { margin: 7px 0 0; color: var(--ink-2); font-size: 13.5px; max-width: 64ch; }

.tabs { display: flex; gap: 6px; }
.tab {
  padding: 8px 16px; border: 1px solid var(--line); border-radius: 4px;
  background: var(--surface); color: var(--ink-2); font-weight: 600;
  text-decoration: none; font-size: 14px;
}
.tab.attivo { background: var(--ink); color: var(--ground); border-color: var(--ink); }

/* ---------- griglia ---------- */
.cols {
  display: grid; grid-template-columns: 290px minmax(0, 1fr);
  gap: 24px; align-items: start; margin-top: 22px;
}
@media (max-width: 900px) { .cols { grid-template-columns: 1fr; } }

/* ---------- pannello del profilo ---------- */
.panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px;
  padding: 16px; position: sticky; top: 14px;
}
@media (max-width: 900px) { .panel { position: static; } }
.panel h2 {
  margin: 0 0 14px; font-size: 12px; letter-spacing: .09em; text-transform: uppercase;
  color: var(--ink-3);
}
.fieldset { border: 0; padding: 0; margin: 0 0 18px; }
.fieldset:last-of-type { margin-bottom: 0; }
.fieldset legend {
  padding: 0; margin-bottom: 9px; font-size: 11px; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-3); font-weight: 700;
}
label.f { display: block; margin-bottom: 11px; }
label.f > span { display: block; margin-bottom: 4px; font-size: 12.5px; color: var(--ink-2); }
input, select {
  width: 100%; padding: 9px; font-size: 16px; /* 16px: sotto, il telefono ingrandisce da sé */
  font-family: var(--mono); color: var(--ink); background: var(--ground);
  border: 1px solid var(--line); border-radius: 4px;
}
select { font-family: var(--sans); }
input:focus-visible, select:focus-visible, .tab:focus-visible {
  outline: 2px solid var(--accento); outline-offset: 1px;
}
.hint { margin: -6px 0 12px; font-size: 11.5px; color: var(--ink-3); }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.row3 label.f > span { font-weight: 700; font-size: 11px; letter-spacing: .05em; }

/* ---------- riepilogo ---------- */
.summary {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(146px, 1fr)); gap: 1px;
  margin: 0 0 20px; background: var(--line);
  border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
}
.cell { background: var(--surface); padding: 12px 14px; }
.cell dt {
  margin: 0 0 3px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 700;
}
.cell dd {
  margin: 0; font-family: var(--mono); font-size: 19px; font-weight: 500;
  font-variant-numeric: tabular-nums; letter-spacing: -.02em;
}
.cell dd small { font-family: var(--sans); font-size: 12px; color: var(--ink-3); font-weight: 400; }

/* ---------- blocchi ---------- */
.block { margin-bottom: 28px; }
.block > h2, h2.sotto {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  margin: 0 0 4px; font-size: 12px; letter-spacing: .09em; text-transform: uppercase;
  color: var(--ink-3);
}
h2.sotto { margin-top: 20px; }
.count { font-family: var(--mono); letter-spacing: 0; text-transform: none; }
.lede { margin: 0 0 12px; font-size: 13px; color: var(--ink-2); max-width: 74ch; }

.tbl-scroll {
  overflow-x: auto; background: var(--surface);
  border: 1px solid var(--line); border-radius: 6px;
}
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td {
  padding: 9px 12px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}
thead th {
  position: sticky; top: 0; background: var(--surface-2); white-space: nowrap;
  font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase;
  color: var(--ink-3); border-bottom: 1px solid var(--line);
}
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num {
  text-align: right; white-space: nowrap;
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
td.rank { width: 1%; padding-right: 4px; font-family: var(--mono); color: var(--ink-3); }
.oname { display: block; font-weight: 600; }
.oven { font-size: 12.5px; color: var(--ink-2); }
.tot { font-size: 15px; font-weight: 500; }
.delta-good { color: var(--good); }
.delta-bad { color: var(--ink-3); }
tr.win td { background: color-mix(in srgb, var(--good) 7%, var(--surface)); }

.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.tag {
  padding: 1px 6px; border-radius: 3px; font-size: 10.5px; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
  background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line-soft);
}
.tag.w { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.tag.ok {
  background: color-mix(in srgb, var(--good) 15%, transparent);
  color: var(--good); border-color: transparent;
}

/* ---------- avvisi ---------- */
.notice {
  margin-bottom: 16px; padding: 13px 15px; background: var(--surface);
  border: 1px solid var(--line); border-left: 3px solid var(--warn);
  border-radius: 0 6px 6px 0;
}
.notice h3 { margin: 0 0 6px; font-size: 13px; color: var(--warn); }
.notice p { margin: 0 0 7px; font-size: 13px; color: var(--ink-2); max-width: 78ch; }
.notice p:last-child { margin-bottom: 0; }
.notice strong { color: var(--ink); }

.avviso {
  margin: 0 0 14px; padding: 10px 13px; font-size: 13px;
  background: var(--warn-soft); color: var(--warn);
  border-radius: 4px;
}
.errore {
  margin: 20px 0; padding: 12px 14px; font-size: 14px;
  background: var(--surface); border: 1px solid var(--line);
  border-left: 3px solid var(--warn); border-radius: 0 4px 4px 0; color: var(--ink-2);
}

details.excl { margin-top: 12px; }
details.excl summary {
  padding: 7px 0; cursor: pointer; font-family: var(--mono);
  font-size: 12.5px; color: var(--ink-3);
}
details.excl ul { margin: 2px 0 0; padding-left: 20px; font-size: 12.5px; color: var(--ink-2); }
details.excl li { margin-bottom: 3px; }
.more { color: var(--ink-3); font-style: italic; }

footer.src {
  margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--ink-3); max-width: 84ch;
}
footer.src p { margin: 0; }
code { font-family: var(--mono); font-size: 12px; }
[hidden] { display: none !important; }

/* ---------- pagine secondarie: accesso e profilo ---------- */
main.stretto { max-width: 560px; margin: 24px auto 0; }
.scheda {
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px;
  padding: 18px; margin-bottom: 18px;
}
.scheda h2 {
  margin: 0 0 12px; font-size: 12px; letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-3);
}
.bottone {
  width: 100%; padding: 11px 16px; margin-top: 4px;
  font-size: 16px; font-weight: 600; font-family: var(--sans);
  color: var(--ground); background: var(--ink);
  border: 1px solid var(--ink); border-radius: 4px; cursor: pointer;
}
.bottone.secondario { color: var(--ink); background: var(--surface-2); border-color: var(--line); }
.bottone:focus-visible { outline: 2px solid var(--accento); outline-offset: 2px; }
.tabs form { margin: 0; }
.tabs .tab { font-family: var(--sans); cursor: pointer; }

/* Modulo in linea della sezione luce+gas: su telefono va a colonna da sé. */
.riga-modulo {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
  margin: 0 0 20px; padding: 14px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 6px;
}
.riga-modulo label.f { flex: 1 1 150px; margin: 0; }
.riga-modulo .bottone { flex: 0 0 auto; width: auto; margin: 0; }

/* ---------- giudizi ---------- */
.media-grande { margin: 0 0 14px; font-size: 20px; }
.media-grande b { font-family: var(--mono); font-size: 26px; }
.barra-riga { display: flex; align-items: center; gap: 10px; margin-bottom: 5px; font-size: 12.5px; }
.barra-et { flex: 0 0 34px; color: var(--ink-2); white-space: nowrap; }
.barra { flex: 1 1 auto; height: 9px; background: var(--surface-2); border-radius: 5px; overflow: hidden; }
.barra-piena { display: block; height: 100%; background: var(--accento); }
.barra-n { flex: 0 0 34px; text-align: right; font-family: var(--mono); color: var(--ink-3); }
textarea {
  width: 100%; padding: 9px; font-size: 16px; font-family: var(--sans);
  color: var(--ink); background: var(--ground);
  border: 1px solid var(--line); border-radius: 4px; resize: vertical;
}
textarea:focus-visible { outline: 2px solid var(--accento); outline-offset: 1px; }
.commento { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
.commento:last-child { border-bottom: 0; }
.commento-testa { display: flex; gap: 10px; align-items: baseline; margin-bottom: 4px; }
.commento p { margin: 0; font-size: 14px; color: var(--ink-2); }