/* Foglio di stile unico per tutte le pagine, pubbliche e admin. */
:root {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-soft: #121a33;
  --card: #151e3a;
  --line: #24305a;
  --text: #e8edfb;
  --muted: #9aa8cc;
  --accent: #4c8dff;
  --accent-2: #29d6a8;
  --warn: #f5a524;
  --danger: #ff6b6b;
  --campo: #0d1428;
  --radius: 14px;
  --shadow: 0 18px 45px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 15% -10%, #1c2a55 0%, transparent 60%),
    radial-gradient(900px 500px at 90% 0%, #12324a 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font: 15px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

header.site {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  /* Scura in entrambi i temi: e' la fascia che porta il marchio, e il marchio
     ha il suo fondo. Percio' qui i colori del testo sono scritti espliciti e
     non presi dai token, che sul tema chiaro darebbero inchiostro su notte. */
  background: rgba(11, 16, 32, .88);
  border-bottom: 1px solid #24305a;
  --text: #e8edfb;
  --muted: #9aa8cc;
  color: #e8edfb;
}
header.site .wrap { display: flex; align-items: center; gap: 18px; height: 62px; }
a.brand { color: var(--text); text-decoration: none; }
a.brand:hover { color: var(--accent); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; }
.brand .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 14px var(--accent-2); }
/* Il marchio accanto al nome. Larghezza e altezza stanno anche nel tag, cosi'
   la riga non salta mentre l'SVG arriva. */
.brand .logo { width: 26px; height: 26px; display: block; flex: none; }
header.site nav { margin-left: auto; display: flex; gap: 20px; font-size: 14px; }
header.site nav a { color: var(--muted); }
header.site nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 76px 0 54px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 62ch; margin: 0 0 28px; }
.pill {
  display: inline-block; padding: 5px 12px; border-radius: 999px; font-size: 12.5px;
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--muted); margin-bottom: 18px;
}

.btn {
  display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
  padding: 11px 20px; border-radius: 11px; border: 1px solid var(--line);
  background: var(--bg-soft); color: var(--text); font-size: 14.5px; font-weight: 600;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: linear-gradient(180deg, #5b96ff, #3b73e8); border-color: #3b73e8; color: #fff; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .55; cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 16.5px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

section { padding: 44px 0; }
section > h2 { font-size: 25px; margin: 0 0 6px; }
section > p.sub { color: var(--muted); margin: 0 0 26px; max-width: 66ch; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.table-scroll { overflow-x: auto; }

.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.tag.ok { color: var(--accent-2); border-color: rgba(41, 214, 168, .4); }
.tag.no { color: var(--danger); border-color: rgba(255, 107, 107, .4); }
.tag.warn { color: var(--warn); border-color: rgba(245, 165, 36, .4); }

pre {
  background: #0a0f1f; border: 1px solid var(--line); border-radius: 11px;
  padding: 14px 16px; overflow-x: auto; font-size: 13px; margin: 12px 0;
}
code.inline { background: #0a0f1f; border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 13px; }

label { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 6px; }
input[type=text], input[type=email], input[type=number], textarea, select {
  width: 100%; padding: 10px 12px; border-radius: 10px; font: inherit; font-size: 14px;
  background: var(--campo); border: 1px solid var(--line); color: var(--text);
}
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(76, 141, 255, .45); outline-offset: 1px; }
.field { margin-bottom: 16px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > .field { flex: 1 1 190px; }
.check { display: flex; align-items: center; gap: 9px; color: var(--text); font-size: 14px; }
.check input { width: auto; }
.hint { color: var(--muted); font-size: 12.5px; margin-top: 6px; }

footer.site { border-top: 1px solid var(--line); padding: 30px 0 50px; color: var(--muted); font-size: 13.5px; margin-top: 40px; }

.notice { border-radius: 11px; padding: 12px 14px; font-size: 14px; margin: 14px 0; border: 1px solid var(--line); background: var(--bg-soft); }
.notice.ok { border-color: rgba(41, 214, 168, .45); }
.notice.bad { border-color: rgba(255, 107, 107, .45); }
.key-out { word-break: break-all; background: var(--campo); border: 1px dashed var(--accent); border-radius: 10px; padding: 14px; font-size: 13px; }

/* Chiave piu' pulsante copia: la chiave si prende con un gesto, non
   selezionandola a mano — sono stringhe lunghe e un carattere perso non si
   vede finche' il client non la rifiuta. */
.copy-row { display: flex; align-items: flex-start; gap: 10px; }
.copy-row .key-out { flex: 1; min-width: 0; margin: 0; }
.btn-copy {
  flex: none; cursor: pointer; font: inherit; font-size: 13px;
  color: var(--text); background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 12px; line-height: 1.2;
}
.btn-copy:hover { border-color: var(--accent); }
.btn-copy:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-copy.done { color: var(--accent-2); border-color: var(--accent-2); }
.copy-inline {
  cursor: pointer; font: inherit; font-size: 12px; color: var(--muted);
  background: none; border: 0; padding: 0 0 0 6px;
}
.copy-inline:hover { color: var(--accent); }
.copy-inline.done { color: var(--accent-2); }

/* La scheda del sistema di chi guarda. Un bordo, non un colore diverso: le due
   schede restano confrontabili. */
.card.evidenziata { border-color: var(--accent); }

/* L'impronta per esteso: 64 caratteri che devono poter essere confrontati a
   occhio, quindi vanno a capo dove capita e restano leggibili. */
.impronta {
  margin-top: 4px;
  font-size: 11.5px;
  line-height: 1.5;
  word-break: break-all;
  color: var(--muted);
}

/* FAQ: chiuse per difetto, perche' la pagina serve a scaricare e le domande
   contano solo per chi ne ha una. */
#faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 14px 18px;
  margin-bottom: 10px;
}

#faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

#faq summary::-webkit-details-marker { display: none; }

#faq summary::before {
  content: "＋";
  color: var(--accent);
  margin-right: 10px;
  font-weight: 400;
}

#faq details[open] summary::before { content: "－"; }
#faq details[open] summary { margin-bottom: 10px; }
#faq details p { margin: 0 0 10px; color: var(--muted); }
#faq details p:last-child { margin-bottom: 0; }

/* ── Tema chiaro ───────────────────────────────────────────────────────────
   Lo scuro resta il predefinito: e' quello che il sito e' sempre stato. Il
   chiaro si attiva solo se qualcuno lo sceglie, e la scelta resta scritta nel
   browser. Stessi token, valori diversi: nessuna regola qui sotto sa quale dei
   due sta guardando. */
:root[data-tema="chiaro"] {
  color-scheme: light;
  --campo: #ffffff;
  --bg: #f4f6fb;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --line: #d7deee;
  --text: #101830;
  --muted: #5a6580;
  --accent: #2f6ee0;
  --accent-2: #0f9e7c;
  --warn: #b5760a;
  --danger: #cf3d3d;
  --shadow: 0 16px 34px rgba(16, 24, 48, .10);
}

:root[data-tema="chiaro"] body {
  background:
    radial-gradient(1100px 600px at 15% -10%, #e3ebff 0%, transparent 60%),
    var(--bg);
}

/* Sul chiaro il riquadro delle chiavi non puo' restare quasi nero. */
:root[data-tema="chiaro"] .key-out { background: #eef2fb; }
/* La fascia in alto resta scura: il bottone del tema dentro di essa deve
   seguirla, non il resto della pagina. */
:root[data-tema="chiaro"] header.site .tema { color: #9aa8cc; border-color: #24305a; }
:root[data-tema="chiaro"] header.site .tema:hover { color: #e8edfb; }

.tema {
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  line-height: 1;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 9px;
}

.tema:hover { color: var(--text); border-color: var(--accent); }
.tema:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Finestra di assistenza ────────────────────────────────────────────── */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(6, 10, 22, .62);
  backdrop-filter: blur(2px);
}

.scrim[hidden] { display: none; }

.modale {
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.modale h3 { margin: 0 0 6px; font-size: 18px; }
.modale .hint { margin-bottom: 16px; }

/* Etichetta di un gruppo di scelte, dove non c'e' un <label> a cui agganciarsi. */
.label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
}

.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-soft);
}

.segment {
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 7px;
  padding: 8px 16px;
}

.segment:hover { color: var(--text); }
.segment.active { color: #fff; background: var(--accent); }
.segment:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }