/* Stile FERRO (da Claude Design): crema, superfici bianche, testo quasi nero, accento arancione termico.
   Testi: Space Grotesk. Numeri, codici ed etichette: JetBrains Mono. Pulsanti grandi, uso con una mano. */
:root {
  --bg: #F4F1EC; --surface: #FFFFFF; --ink: #1A1A18; --ink2: #6B6862; --faint: #9A958D;
  --line: #DDD7CB; --line2: #C8C0AF; --accent: #E8801F; --danger: #C8311B; --warn: #E5A21A; --ok: #2F9E5C;
  --on-ink: #FFFFFF; --chip: #EBE6DC;
  --sans: 'Space Grotesk', -apple-system, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #18171A; --surface: #232226; --ink: #F2EFE9; --ink2: #A9A59D; --faint: #7E7A73;
          --line: #3A3840; --line2: #4A4750; --on-ink: #18171A; --chip: #2E2C32; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font: 500 17px/1.4 var(--sans); color: var(--ink); background: var(--bg);
       padding-bottom: env(safe-area-inset-bottom); -webkit-text-size-adjust: 100%; }
header { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
         background: var(--bg); border-bottom: 1px solid var(--line);
         padding: calc(env(safe-area-inset-top) + 6px) 8px 6px; }
header #titolo { font-weight: 700; letter-spacing: .02em; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .14em; font-size: 15px; }
.brand::before { content: ''; width: 13px; height: 13px; background: var(--accent); border-radius: 2px; transform: rotate(45deg); }
.brand small { font: 500 11px var(--mono); letter-spacing: .06em; color: var(--ink2); }

button { font: 600 15px var(--sans); border: 0; border-radius: 12px; padding: 14px 18px; min-height: 52px;
         background: var(--ink); color: var(--on-ink); cursor: pointer; }
button:active { transform: scale(.985); }
button.ghost { background: transparent; color: var(--ink2); min-height: 44px; padding: 8px 10px; }
button.sec { background: var(--surface); color: var(--ink); border: 1.5px solid var(--ink); padding: 12.5px 18px; }
button.accent { background: var(--accent); color: #18171A; font-weight: 700; }
button.danger { background: transparent; color: var(--danger); border: 1.5px solid var(--danger); }
button.big { width: 100%; margin-top: 12px; }
button:disabled { opacity: .45; }

main { padding: 16px 16px 40px; max-width: 640px; margin: 0 auto; }
h1 { font-weight: 700; font-size: 40px; line-height: 1.05; letter-spacing: -.02em; margin: 8px 0 4px; }
h2 { display: flex; align-items: center; gap: 12px; margin: 26px 0 10px; font-size: 12px; font-weight: 600;
     letter-spacing: .16em; text-transform: uppercase; }
h2::after { content: ''; flex: 1; height: 1px; background: var(--line2); }
p { color: var(--ink2); }

input, select, textarea { width: 100%; font: 500 16px var(--sans); color: var(--ink); padding: 13px 14px;
                          border: 1px solid var(--line); border-radius: 12px; background: var(--surface); margin: 4px 0 14px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--ink); }
textarea { min-height: 96px; }
label { display: block; font: 500 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin: 10px 0; }
.card.tap { cursor: pointer; }
.card.tap:active { border-color: var(--ink); }
.card small { display: block; color: var(--ink2); font-size: 13px; font-weight: 400; }
.num { font-family: var(--mono); font-weight: 700; letter-spacing: -.01em; }
.badge { display: inline-block; font: 700 11px var(--mono); border-radius: 6px; padding: 3px 9px; background: var(--chip);
         color: var(--ink); margin: 6px 6px 0 0; text-transform: uppercase; letter-spacing: .04em; }
.badge.ok { background: var(--ok); color: #fff; }
.badge.ip { background: var(--warn); color: #1A1A18; }
.riga { display: flex; gap: 8px; align-items: center; }
.riga > * { margin-bottom: 0; }
#avviso { background: var(--ink); color: var(--on-ink); padding: 12px 16px; text-align: center; font-size: 15px; font-weight: 600; }
#avviso.err { background: var(--danger); color: #fff; }
canvas#firma { width: 100%; height: 190px; border: 1.5px dashed var(--line2); border-radius: 14px; touch-action: none; background: var(--surface); }
.sugg { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin: -8px 0 14px; overflow: hidden; }
.sugg div { padding: 12px 14px; border-bottom: 1px solid var(--bg); }
.sugg div:last-child { border-bottom: 0; }
.sugg small { display: block; color: var(--ink2); font-size: 12px; font-weight: 400; }
.sugg b { font-family: var(--mono); }
img.firma { max-width: 100%; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.sep { margin-top: 36px; }

/* ---- barra di navigazione in basso (3 voci) ---- */
main { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
#tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; display: flex; justify-content: space-around;
          background: var(--surface); border-top: 1px solid var(--line); padding: 8px 8px calc(8px + env(safe-area-inset-bottom)); }
#tabbar button { flex: 1; background: transparent; color: var(--faint); min-height: 52px; padding: 6px 4px; font: 500 11px var(--sans);
                 display: flex; flex-direction: column; align-items: center; gap: 3px; border-radius: 10px; }
#tabbar button.on { color: var(--ink); font-weight: 700; }
#tabbar button.on .ic { border-color: var(--accent); }
.ic { display: block; width: 20px; height: 20px; border: 1.8px solid currentColor; }
.ic-iv { border-radius: 4px; } .ic-cl { border-radius: 50%; } .ic-ri { border-radius: 2px; transform: rotate(45deg) scale(.8); }
/* ---- chip di filtro ---- */
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 14px; }
.chip { background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 999px; min-height: 0;
        padding: 8px 14px; font: 500 13px var(--sans); }
.chip.on { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.badge.bad { background: var(--danger); color: #fff; }
a { color: var(--ink); text-underline-offset: 3px; }

/* ---- impaginazione in base al contenuto ---- */
.card b, .card small, .sugg div, .testo { overflow-wrap: anywhere; word-break: normal; }
.testo { flex: 1; min-width: 0; }
.riga > * { min-width: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid2 > div { min-width: 0; }
textarea { resize: none; overflow: hidden; line-height: 1.4; }
.ric { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center; }
.ric .qta { display: flex; align-items: center; gap: 10px; }
.ric .qta button { min-height: 40px; width: 40px; padding: 0; font-size: 20px; }
.ric .qta .num { min-width: 22px; text-align: center; font-size: 18px; }
.ric .togli { grid-column: 1 / -1; justify-self: start; min-height: 32px; padding: 4px 0; color: var(--danger); font-size: 13px; }
.dato { margin: 0 0 12px; }
.dato label { margin-bottom: 2px; }
.dato div { overflow-wrap: anywhere; }
.dato.vuoto div { color: var(--faint); }
select { text-overflow: ellipsis; }

.gen-dati { margin-top: 8px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.gen-dati .dato { margin-bottom: 8px; }
.dato.larga { grid-column: 1 / -1; }

/* tab bar a 5 voci */
#tabbar button { font-size: 10px; padding: 6px 0; }
.ic-sc { border-radius: 3px; border-top-width: 5px; }
.ic-uf { border-radius: 3px; height: 15px; margin-top: 3px; }
input[type=checkbox] { width: 20px; height: 20px; vertical-align: middle; accent-color: var(--accent); }
details summary { cursor: pointer; font-weight: 600; padding: 6px 0; }