/* Piano Zero – area riservata */
:root {
  --bg: #0E0E0D; --panel: #1B1B19; --line: #2A2A27; --line2: #4A4843;
  --fg: #F2F0EB; --mute: #A8A59D; --quiet: #8C8980;
  --accent: #FF5A43; --accent-ink: #0E0E0D; --accent-text: #FF6B57;
  --ok: #7FD39A; --ok-bg: rgba(127,211,154,.12);
  --warn: #F2C35B; --warn-bg: rgba(242,195,91,.12);
  --bad: #FF7A6B; --bad-bg: rgba(255,122,107,.12);
  --used: #A8A59D; --used-bg: rgba(168,165,157,.14);
  --display: 'Chakra Petch', 'Inter', system-ui, sans-serif;
  --body: 'Inter', system-ui, -apple-system, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) {
  --bg: #F2F0EB; --panel: #FFFFFF; --line: #DAD6CC; --line2: #B9B4A8;
  --fg: #0E0E0D; --mute: #55524B; --quiet: #6E6B64;
  --accent: #E8462F; --accent-ink: #FFFFFF; --accent-text: #C9381F;
  --ok: #1E7A43; --ok-bg: rgba(30,122,67,.10);
  --warn: #8A5B00; --warn-bg: rgba(138,91,0,.10);
  --bad: #B3261E; --bad-bg: rgba(179,38,30,.09);
  --used: #55524B; --used-bg: rgba(85,82,75,.10);
  color-scheme: light; } }
:root[data-theme="light"] {
  --bg: #F2F0EB; --panel: #FFFFFF; --line: #DAD6CC; --line2: #B9B4A8;
  --fg: #0E0E0D; --mute: #55524B; --quiet: #6E6B64;
  --accent: #E8462F; --accent-ink: #FFFFFF; --accent-text: #C9381F;
  --ok: #1E7A43; --ok-bg: rgba(30,122,67,.10);
  --warn: #8A5B00; --warn-bg: rgba(138,91,0,.10);
  --bad: #B3261E; --bad-bg: rgba(179,38,30,.09);
  --used: #55524B; --used-bg: rgba(85,82,75,.10);
  color-scheme: light; }

* { box-sizing: border-box; }
body { background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 15px; line-height: 1.5; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: 1160px; margin: 0 auto; padding-inline: 20px; }

header.top { border-bottom: 1px solid var(--line); position: sticky; top: env(safe-area-inset-top, 0px); background: var(--bg); z-index: 5; }
header.top .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; padding-block: 14px; }
.brand { font-family: var(--display); font-weight: 700; font-size: 18px; letter-spacing: .5px; display: flex; align-items: baseline; gap: 8px; }
.brand small { font-weight: 600; font-size: 12px; letter-spacing: 1.5px; color: var(--quiet); }
.tabs { display: flex; border: 1.5px solid var(--fg); }
.tabs button { background: transparent; border: none; cursor: pointer; font-weight: 800; font-size: 14px; padding: 10px 16px; min-height: 42px; }
.tabs button[aria-selected="true"] { background: var(--fg); color: var(--bg); }

main { padding-block: 32px 72px; }
.eyebrow { margin: 0; font-family: var(--display); font-weight: 600; font-size: 13px; letter-spacing: 2px; color: var(--accent-text); text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(28px, 4vw, 36px); font-weight: 900; letter-spacing: -1px; line-height: 1.05; text-wrap: balance; }
h2 { margin: 0; font-size: 20px; font-weight: 800; letter-spacing: -.3px; }
.lead { margin: 0; color: var(--mute); max-width: 60ch; }
.stack { display: flex; flex-direction: column; gap: 18px; }
.head { display: flex; flex-direction: column; gap: 8px; }

.lbl { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 700; }
.lbl em { font-style: normal; font-weight: 500; color: var(--quiet); }
.inp { background: var(--panel); border: 1px solid var(--line2); padding: 12px; font-size: 16px; min-height: 48px; width: 100%; border-radius: 0; }
.inp:focus { border-color: var(--fg); outline: none; }
.code { font-family: var(--display); letter-spacing: 1px; text-transform: uppercase; }
.row { display: flex; flex-wrap: wrap; gap: 12px; }
.row > * { flex: 1 1 140px; min-width: 0; }
.seg { display: flex; border: 1.5px solid var(--fg); }
.seg button { flex: 1; border: none; cursor: pointer; background: transparent; font-weight: 800; min-height: 46px; }
.seg button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }
.btn { cursor: pointer; border: none; background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: 16px; padding: 13px 22px; min-height: 48px; }
.btn:hover { filter: brightness(1.08); }
.btn2 { cursor: pointer; background: transparent; border: 1.5px solid var(--fg); font-weight: 700; padding: 11px 18px; min-height: 48px; }
.btn2:hover { background: var(--panel); }
.lnk { cursor: pointer; background: none; border: none; padding: 4px 0; color: var(--quiet); text-decoration: underline; text-underline-offset: 3px; font-size: 14px; }
.lnk:hover { color: var(--fg); }
.btn:disabled, .btn2:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.note { margin: 0; font-size: 13px; color: var(--quiet); }
.msg { margin: 0; font-size: 14px; font-weight: 600; padding: 10px 12px; border-left: 3px solid var(--line2); background: var(--panel); }
.msg.ok { border-color: var(--ok); }
.msg.bad { border-color: var(--bad); }
.banner { margin-bottom: 24px; }

/* Crea */
.create { display: flex; flex-wrap: wrap; gap: 40px; align-items: flex-start; }
.create > .form { flex: 1 1 320px; min-width: 0; }
.create > .prev { flex: 1.6 1 460px; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.prev-l { font-size: 12px; color: var(--quiet); font-weight: 700; letter-spacing: 1.2px; }
#gc-canvas { display: block; width: 100%; height: auto; border: 1px solid var(--line); }

/* Controlla */
.check { display: grid; gap: 28px; grid-template-columns: minmax(0, 1fr); max-width: 760px; }
.search { display: flex; gap: 8px; }
.pref { flex: 1; min-width: 0; display: flex; align-items: stretch; background: var(--panel); border: 1px solid var(--line2); }
.pref:focus-within { border-color: var(--fg); }
.pref span { display: flex; align-items: center; padding-left: 12px; font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: 1px; color: var(--quiet); user-select: none; }
.pref .inp { flex: 1; min-width: 0; border: none; padding-left: 2px; font-size: 20px; background: transparent; }
.card { border: 1px solid var(--line); background: var(--panel); padding: 22px; display: flex; flex-direction: column; gap: 18px; }
.card-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 12px; }
.card-code { font-family: var(--display); font-weight: 700; font-size: 22px; letter-spacing: 1px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--display); font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; padding: 5px 10px; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.s-valida { color: var(--ok); background: var(--ok-bg); }
.s-parziale { color: var(--warn); background: var(--warn-bg); }
.s-usata { color: var(--used); background: var(--used-bg); }
.s-scaduta { color: var(--bad); background: var(--bad-bg); }
.money { display: flex; flex-wrap: wrap; gap: 8px 32px; align-items: baseline; }
.big { font-family: var(--display); font-weight: 700; font-size: 44px; line-height: 1; font-variant-numeric: tabular-nums; }
.of { color: var(--mute); font-size: 15px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px 20px; margin: 0; }
.facts dt { font-family: var(--display); font-weight: 600; font-size: 11px; letter-spacing: 1.2px; color: var(--quiet); text-transform: uppercase; }
.facts dd { margin: 2px 0 0; font-weight: 700; overflow-wrap: anywhere; }
.uses { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.uses li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.intern { border: 1px dashed var(--line2); padding: 12px 14px 14px; margin: 0; min-width: 0; }
.intern legend { padding: 0 6px; font-size: 13px; font-weight: 700; }
.intern legend em { font-style: normal; font-weight: 500; color: var(--quiet); }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.hint { font-weight: 500; font-size: 12px; color: var(--quiet); line-height: 1.35; }
.u-what { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.u-what small { color: var(--quiet); font-size: 13px; overflow-wrap: anywhere; }
td.used { font-size: 13px; color: var(--mute); max-width: 220px; white-space: normal; }
td.used div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.uses .amt.plus { color: var(--ok); }
.chk { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; font-weight: 600; cursor: pointer; }
.chk input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--accent); flex: none; }
.uses .amt { font-variant-numeric: tabular-nums; font-weight: 700; }
.who { border: 1.5px solid var(--fg); padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.who span { font-family: var(--display); font-weight: 600; font-size: 11px; letter-spacing: 1.2px; color: var(--quiet); text-transform: uppercase; }
.who b { font-size: 26px; font-weight: 900; letter-spacing: -.5px; line-height: 1.15; overflow-wrap: anywhere; }
.who p { margin: 0; font-size: 14px; color: var(--mute); }
.use-form { border-top: 1px solid var(--line); padding-top: 18px; display: flex; flex-direction: column; gap: 14px; }
.calc { display: flex; flex-wrap: wrap; gap: 6px 24px; font-size: 14px; color: var(--mute); }
.calc b { color: var(--fg); font-variant-numeric: tabular-nums; }
.confirm { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; }
.empty { border: 1px dashed var(--line2); padding: 22px; color: var(--mute); display: flex; flex-direction: column; gap: 6px; }
.empty strong { color: var(--fg); }

/* Registro */
.sum { display: flex; flex-wrap: wrap; gap: 12px 40px; padding-block: 4px 8px; }
.sum div { display: flex; flex-direction: column; }
.sum span { font-family: var(--display); font-weight: 600; font-size: 11px; letter-spacing: 1.2px; color: var(--quiet); text-transform: uppercase; }
.sum b { font-family: var(--display); font-size: 26px; font-variant-numeric: tabular-nums; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip { cursor: pointer; border: 1px solid var(--line2); background: transparent; padding: 7px 12px; font-size: 14px; font-weight: 700; min-height: 38px; }
.chip[aria-pressed="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.filters .inp { flex: 1 1 200px; min-height: 40px; padding: 8px 12px; font-size: 15px; }
.tbl-wrap { overflow-x: auto; border-top: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 1120px; }
th { text-align: left; font-family: var(--display); font-weight: 600; font-size: 11px; letter-spacing: 1.2px; color: var(--quiet); text-transform: uppercase; padding: 12px 10px; border-bottom: 1px solid var(--line); }
td { padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; white-space: nowrap; }
th { white-space: nowrap; }
th .sort { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit; padding: 4px 0; }
th .sort:hover, th .sort.on { color: var(--fg); }
th .sort:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
th .arr { font-size: 9px; min-width: 9px; }
th.num .sort { flex-direction: row-reverse; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr { cursor: pointer; }
tbody tr:hover td { background: var(--panel); }
td .code { font-weight: 700; }
@media (max-width: 640px) {
  header.top .wrap { padding-block: 10px; }
  .tabs { width: 100%; } .tabs button { flex: 1; padding: 10px 6px; }
  main { padding-block: 22px 56px; }
  .card { padding: 16px; } .big { font-size: 36px; }
}
@media (prefers-reduced-motion: no-preference) { .card, .msg { animation: fade .2s ease; } }
@keyframes fade { from { opacity: .4; transform: translateY(-3px); } to { opacity: 1; transform: none; } }

/* ---- comune area riservata ---- */
body { margin: 0; }
.pzn { border-bottom: 1px solid var(--line); background: var(--bg); }
.pzn .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; padding-block: 12px; }
.pzn .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); font-family: var(--display); font-weight: 700; font-size: 16px; letter-spacing: .5px; margin-right: auto; }
.pzn .logo img { width: 30px; height: 30px; }
.pzn .logo small { font-weight: 600; font-size: 11px; letter-spacing: 1.5px; color: var(--quiet); }
.pzn nav { display: flex; flex-wrap: wrap; gap: 4px; }
.pzn nav a { text-decoration: none; color: var(--mute); font-weight: 700; font-size: 14px; padding: 8px 12px; border: 1px solid transparent; display: inline-flex; align-items: center; gap: 6px; }
.pzn nav a:hover { color: var(--fg); }
.pzn nav a[aria-current="page"] { color: var(--fg); border-color: var(--line2); }
.pzn .badge { background: var(--accent); color: var(--accent-ink); font-family: var(--display); font-size: 11px; font-weight: 700; padding: 1px 6px; min-width: 18px; text-align: center; }
.pzn .out { font-size: 13px; }
header.top .brand { font-size: 16px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.toolbar .inp { flex: 1 1 220px; min-height: 44px; padding: 8px 12px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.tile { border: 1px solid var(--line); background: var(--panel); padding: 18px; display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--fg); }
a.tile:hover { border-color: var(--line2); }
.tile span { font-family: var(--display); font-weight: 600; font-size: 11px; letter-spacing: 1.2px; color: var(--quiet); text-transform: uppercase; }
.tile b { font-family: var(--display); font-size: 30px; font-variant-numeric: tabular-nums; line-height: 1.1; }
.tile p { margin: 0; font-size: 14px; color: var(--mute); }
.links { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; }
.links a { border: 1px solid var(--line); padding: 14px 16px; text-decoration: none; color: var(--fg); display: flex; flex-direction: column; gap: 2px; font-weight: 800; }
.links a small { font-weight: 500; color: var(--mute); font-size: 13px; }
.links a:hover { border-color: var(--fg); }
.sec-t { margin: 8px 0 0; font-family: var(--display); font-weight: 600; font-size: 13px; letter-spacing: 2px; color: var(--quiet); text-transform: uppercase; }
.split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; }
@media (min-width: 1000px) { .split { grid-template-columns: minmax(0, 380px) minmax(0, 1fr); } }
.list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.list button.item { all: unset; box-sizing: border-box; cursor: pointer; display: flex; flex-direction: column; gap: 2px; padding: 12px 10px; border-bottom: 1px solid var(--line); }
.list button.item:hover, .list button.item[aria-current="true"] { background: var(--panel); }
.list button.item:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.item b { font-weight: 800; }
.item small { color: var(--mute); font-size: 13px; }
.item .meta { display: flex; justify-content: space-between; gap: 10px; }
textarea.inp { min-height: 90px; resize: vertical; font-family: var(--body); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; font-size: 14px; }
.kv dt { color: var(--quiet); font-weight: 600; }
.kv dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.jobs td { white-space: normal; }
.pill.s-new { color: var(--accent-text); background: rgba(255,90,67,.12); }
.danger { color: var(--bad); }
@media (max-width: 640px) { .pzn nav { width: 100%; } .pzn nav a { flex: 1; justify-content: center; padding: 8px 4px; } }
[hidden] { display: none !important; }
.pzn .out { color: var(--quiet); text-decoration: underline; text-underline-offset: 3px; }
.pzn .out:hover { color: var(--fg); }