/* Stile schermo - Ricevute acconto */
:root {
  --blu: #1f3a5f;
  --blu-chiaro: #e8eef6;
  --sfondo: #f5f6f8;
  --carta: #ffffff;
  --testo: #1d2430;
  --testo-2: #5a6575;
  --bordo: #cfd6e0;
  --ok: #1e7a46;
  --ok-bg: #e6f4ec;
  --warn: #8a5a00;
  --warn-bg: #fff3d6;
  --err: #a31f1f;
  --err-bg: #fde9e9;
  --raggio: 8px;
  font-size: 16px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--sfondo);
  color: var(--testo);
  line-height: 1.45;
}
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 0 0 .5rem; }
a { color: var(--blu); }
.caricamento { padding: 2rem; text-align: center; color: var(--testo-2); }
.nascosto { display: none !important; }
.muted { color: var(--testo-2); }
.piccolo { font-size: .85rem; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.salta { position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 100; }
.salta:focus { left: 0; }

:focus-visible { outline: 3px solid #2f6fd0; outline-offset: 2px; }

/* Intestazione e navigazione */
.testata {
  background: var(--blu); color: #fff;
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem;
  padding: .6rem 1rem;
}
.testata .titolo { font-weight: 700; font-size: 1.05rem; margin-right: auto; }
.testata nav { display: flex; flex-wrap: wrap; gap: .25rem; }
.testata nav a {
  color: #fff; text-decoration: none; padding: .5rem .8rem; border-radius: var(--raggio);
  min-height: 44px; display: inline-flex; align-items: center;
}
.testata nav a:hover { background: rgba(255,255,255,.15); }
.testata nav a[aria-current="page"] { background: #fff; color: var(--blu); font-weight: 600; }
.utente { display: flex; align-items: center; gap: .75rem; font-size: .9rem; }
.utente .btn { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }

main { max-width: 1100px; margin: 0 auto; padding: 1rem; }

.carta {
  background: var(--carta); border: 1px solid var(--bordo); border-radius: var(--raggio);
  padding: 1rem; margin-bottom: 1rem;
}
.carta-stretta { max-width: 440px; margin: 2rem auto; }

/* Form */
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .25rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"],
input[type="number"], select, textarea {
  width: 100%; min-height: 44px; padding: .5rem .65rem; font: inherit; color: inherit;
  background: #fff; border: 1px solid #98a3b3; border-radius: var(--raggio);
}
input[readonly], input:disabled, select:disabled { background: #eef0f3; color: var(--testo-2); }
textarea { min-height: 90px; }
.griglia { display: grid; gap: .9rem 1rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.campo { min-width: 0; }
.campo .aiuto { font-size: .8rem; color: var(--testo-2); margin-top: .2rem; }
.campo .errore-campo { font-size: .85rem; color: var(--err); margin-top: .2rem; }
.invalido { border-color: var(--err) !important; }
fieldset { border: 1px solid var(--bordo); border-radius: var(--raggio); padding: .6rem .9rem .9rem; margin: 0; min-width: 0; }
legend { font-weight: 600; font-size: .9rem; padding: 0 .3rem; }
.scelte { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; }
.scelte label {
  display: inline-flex; align-items: center; gap: .4rem; font-weight: 400; font-size: 1rem;
  margin: 0; min-height: 44px; cursor: pointer;
}
.scelte input { width: 1.2rem; height: 1.2rem; }
.scelte label.disabilitato { color: #8b94a3; cursor: not-allowed; }
.sezione-titolo { margin: 1.25rem 0 .6rem; padding-bottom: .3rem; border-bottom: 2px solid var(--blu-chiaro); }

/* Pulsanti */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  min-height: 44px; padding: .5rem 1rem; font: inherit; font-weight: 600; cursor: pointer;
  border: 1px solid var(--blu); border-radius: var(--raggio); background: #fff; color: var(--blu);
}
.btn:hover { background: var(--blu-chiaro); }
.btn-primario { background: var(--blu); color: #fff; }
.btn-primario:hover { background: #162b47; }
.btn-pericolo { border-color: var(--err); color: var(--err); }
.btn-pericolo:hover { background: var(--err-bg); }
.btn-piccolo { min-height: 36px; padding: .25rem .7rem; font-size: .9rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.azioni { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.link-btn { background: none; border: 0; padding: .5rem 0; color: var(--blu); text-decoration: underline; cursor: pointer; font: inherit; min-height: 44px; }

/* Messaggi */
.avviso { padding: .7rem .9rem; border-radius: var(--raggio); border: 1px solid; margin: .75rem 0; }
.avviso-info { background: var(--blu-chiaro); border-color: #b7c7dd; }
.avviso-ok { background: var(--ok-bg); border-color: #9fd2b4; color: #0f5230; }
.avviso-warn { background: var(--warn-bg); border-color: #e6c36d; color: var(--warn); }
.avviso-err { background: var(--err-bg); border-color: #e3a3a3; color: var(--err); }
.avviso-forte { font-weight: 700; font-size: 1.05rem; border-width: 2px; }

#toast-box { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); z-index: 200; display: grid; gap: .5rem; width: min(92vw, 480px); }
.toast { padding: .75rem 1rem; border-radius: var(--raggio); background: #222b38; color: #fff; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
.toast.err { background: var(--err); }
.toast.ok { background: var(--ok); }

/* Riepilogo importi */
.riepilogo { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-top: 1rem; }
.riquadro { background: var(--blu-chiaro); border-radius: var(--raggio); padding: .7rem .9rem; }
.riquadro .et { font-size: .8rem; color: var(--testo-2); }
.riquadro .val { font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.riquadro.neg { background: var(--err-bg); color: var(--err); }
.lettere { font-family: ui-monospace, Consolas, monospace; background: #f1f3f6; padding: .4rem .6rem; border-radius: 6px; margin-top: .4rem; word-break: break-word; min-height: 2rem; }

/* Tabelle */
.tabella-wrap { overflow-x: auto; border: 1px solid var(--bordo); border-radius: var(--raggio); background: #fff; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { padding: .5rem .65rem; border-bottom: 1px solid #e3e7ed; text-align: left; vertical-align: middle; }
th { background: #eef1f6; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--testo-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.azioni-riga { white-space: nowrap; }
td.azioni-riga .btn { margin: 2px 2px 2px 0; }
tr.annullata td { color: #7b8493; }
tr.annullata .cliente { text-decoration: line-through; }
td input, td select { min-height: 36px; padding: .2rem .4rem; }

.badge { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .8rem; font-weight: 600; border: 1px solid; }
.badge-emessa { background: var(--warn-bg); color: var(--warn); border-color: #e6c36d; }
.badge-stampata { background: var(--ok-bg); color: #0f5230; border-color: #9fd2b4; }
.badge-annullata { background: var(--err-bg); color: var(--err); border-color: #e3a3a3; }

.paginazione { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: .75rem; }
.paginazione .spazio { margin-right: auto; }

/* Dialog */
dialog { border: 0; border-radius: 12px; padding: 0; width: min(94vw, 760px); max-height: 90vh; box-shadow: 0 10px 40px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(20,30,45,.5); }
.dlg-corpo { padding: 1.1rem; overflow: auto; max-height: calc(90vh - 2rem); }

.tab-nav { display: flex; gap: .25rem; margin-bottom: 1rem; flex-wrap: wrap; }

@media (max-width: 640px) {
  main { padding: .6rem; }
  .carta { padding: .8rem; }
  .testata { padding: .5rem .6rem; }
  .utente { width: 100%; justify-content: space-between; }
  .btn-blocco-mobile { width: 100%; }
}

@media print {
  .no-print { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}