:root {
  --bg: #1A1814; --card: #211C15; --card2: #2A2318; --line: #4A3F2E;
  --gold: #D4A960; --gold2: #E8C888; --cream: #F5F0E8; --muted: #A89680; --dim: #6B5F4E;
  --red: #C8102E; --redbg: #3D0F15; --ok: #5FAE7A; --warn: #E0A030;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--cream); font: 14px/1.45 "Segoe UI", Calibri, system-ui, sans-serif; }
a { color: var(--gold); }
h1, h2, h3 { margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: 22px; } h2 { font-size: 16px; color: var(--gold); letter-spacing: .02em; } h3 { font-size: 14px; }

/* barra superiore */
.top { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: #12100D; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.top img { height: 30px; }
.top nav { display: flex; gap: 14px; flex: 1; }
.top nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
.top nav a:hover, .top nav a.on { color: var(--gold); }
.top .user { color: var(--muted); font-size: 13px; }
.badge-cliente { background: var(--red); color: #fff; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }

main { padding: 20px; max-width: 1500px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 14px; }
.card.gold { border-color: var(--gold); }

/* form */
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
input, select, textarea { width: 100%; background: #14120F; color: var(--cream); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--gold); }
input[type=checkbox], input[type=radio] { width: auto; accent-color: var(--gold); }
input.modificato { border-color: var(--warn); background: #2A2210; }
input.errato { border-color: var(--red); }
.row { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 10px; }
.check { display: inline-flex; align-items: center; gap: 6px; margin: 0 14px 6px 0; color: var(--cream); font-size: 13px; cursor: pointer; }
.hint { color: var(--dim); font-size: 12px; }

button, .btn { background: var(--card2); color: var(--cream); border: 1px solid var(--line); border-radius: 6px; padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { border-color: var(--gold); }
.btn-gold { background: var(--gold); color: #1A1814; border-color: var(--gold); }
.btn-gold:hover { background: var(--gold2); }
.btn-red { background: var(--red); border-color: var(--red); color: #fff; }
.btn-small { padding: 4px 9px; font-size: 12px; }
button:disabled { opacity: .5; cursor: not-allowed; }

/* tabelle */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; color: var(--gold); font-size: 12px; font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--line); }
td { padding: 6px 8px; border-bottom: 1px solid #2C261D; vertical-align: top; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--card2); }
.costo { color: #8FB3D9; }
.stato { padding: 2px 9px; border-radius: 20px; font-size: 12px; border: 1px solid var(--line); white-space: nowrap; }
.stato-da_revisionare { border-color: var(--warn); color: var(--warn); }
.stato-inviato { border-color: var(--gold); color: var(--gold); }
.stato-accettato { border-color: var(--ok); color: var(--ok); }
.stato-perso { color: var(--dim); }

/* editor */
.editor { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 18px; align-items: start; }
.side { position: sticky; top: 70px; max-height: calc(100vh - 85px); overflow: auto; }
.sezione { border-left: 3px solid var(--gold); }
.sezione-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.macchina-row { display: grid; grid-template-columns: 1fr 70px 120px 30px; gap: 8px; align-items: end; margin-bottom: 8px; }
.macchina-row.con-formula { grid-template-columns: 1fr 140px 70px 150px 30px; }
.opzioni { display: flex; flex-wrap: wrap; }
.totale { display: flex; justify-content: space-between; align-items: baseline; padding: 6px 0; border-bottom: 1px solid #2C261D; }
.totale b { font-size: 20px; color: var(--gold2); }
.controlli { list-style: none; padding: 0; margin: 0; }
.controlli li { padding: 6px 10px; border-radius: 6px; margin-bottom: 5px; font-size: 13px; border-left: 3px solid; background: #17140F; }
.c-errore { border-color: var(--red) !important; color: #FF8A9A; }
.c-avviso { border-color: var(--warn) !important; color: var(--warn); }
.c-margine { border-color: #8FB3D9 !important; color: #8FB3D9; }
.c-info { border-color: var(--dim) !important; color: var(--muted); }
.ok-box { color: var(--ok); font-weight: 600; }
.azioni { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.downloads a { display: block; margin-top: 6px; }
.stima { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-top: 6px; }
.stima b { color: var(--gold2); }
.salvataggio { font-size: 12px; color: var(--dim); }

/* login e modulo pubblico */
.centro { max-width: 420px; margin: 8vh auto; }
.centro img { height: 54px; display: block; margin: 0 auto 20px; }
.errore { background: var(--redbg); border: 1px solid var(--red); padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.7); display: none; align-items: center; justify-content: center; z-index: 50; }
.modal.on { display: flex; }
.modal .card { width: 360px; }

@media (max-width: 1000px) {
  .editor { grid-template-columns: 1fr; }
  .side { position: static; max-height: none; }
  main { padding: 12px; }
  .macchina-row { grid-template-columns: 1fr 60px 90px 30px; }
  .macchina-row.con-formula { grid-template-columns: 1fr 1fr; }
}

.page-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.page-head h1 { margin: 0; }
.span2 { grid-column: span 2; }
.riga-aggiungi { display: flex; gap: 8px; }
.barra-totale { display: none; }

/* listini */
.listini-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.listini-head h1 { margin: 0; }
.listini-head input[type=search] { flex: 1; min-width: 200px; max-width: 380px; }
.listini-head .azioni { margin-left: auto !important; align-items: center; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 14px; position: sticky; top: 51px; z-index: 5; background: var(--bg); padding: 6px 0; }
.tab { background: var(--card); color: var(--muted); }
.tab.on { background: var(--gold); color: #1A1814; border-color: var(--gold); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.scroll-x { overflow-x: auto; }
table.listino td { vertical-align: middle; }
table.listino input[type=number] { width: 104px; text-align: right; padding: 5px 7px; }
table.listino input.in-costo { color: #8FB3D9; }
table.listino input::placeholder { color: var(--dim); font-size: 11px; }
th.costo { color: #8FB3D9; }
.auto { color: var(--gold2); white-space: nowrap; cursor: help; }
.auto small { color: var(--dim); }
.margine { font-weight: 600; min-width: 60px; }
.m-ok { color: var(--ok); } .m-basso { color: var(--warn); } .m-sotto { color: #FF8A9A; }
td.az { white-space: nowrap; text-align: right; }
td.az button { margin-left: 4px; }
.btn-x:hover { border-color: var(--red); color: #FF8A9A; }
#aggiungi .campi { display: grid; gap: 10px; margin-bottom: 12px; }
#aggiungi .card { width: 400px; max-width: calc(100vw - 32px); }

.pill-soluzione { background: var(--gold); color: #1a1a1a; border-radius: 10px; padding: 1px 9px; font-size: 12px; margin-right: 4px; }

/* smartphone */
@media (max-width: 640px) {
  body { font-size: 15px; }
  /* 16px evita lo zoom automatico di iPhone quando si tocca un campo */
  input, select, textarea { font-size: 16px; padding: 9px 10px; }
  button, .btn { padding: 10px 14px; }
  .btn-small { padding: 7px 11px; font-size: 13px; }
  main { padding: 10px 10px 80px; }
  .card { padding: 12px; border-radius: 8px; }
  h1 { font-size: 19px; }

  .top { position: static; flex-wrap: wrap; gap: 8px 14px; padding: 8px 12px; }
  .top img { height: 24px; }
  .top nav { gap: 16px; font-size: 15px; }
  .top .user { font-size: 12px; }

  .page-head .azioni { width: 100%; }
  .page-head .azioni > * { flex: 1; text-align: center; }
  .page-head .azioni form button { width: 100%; }
  .page-head .salvataggio { flex-basis: 100%; }
  .no-m { display: none; }
  td, th { padding: 8px 6px; }

  .row { grid-template-columns: 1fr 1fr; }
  .row > div:only-child, .span2 { grid-column: 1 / -1; }
  .check { margin-right: 12px; padding: 3px 0; }
  .riga-aggiungi { flex-direction: column; }

  /* righe macchina: la macchina occupa tutta la riga, il resto va sotto */
  .macchina-row, .macchina-row.con-formula { grid-template-columns: 1fr 1fr 44px; padding-bottom: 10px; border-bottom: 1px solid #2C261D; }
  .macchina-row > div:first-child { grid-column: 1 / -1; }
  .macchina-row.con-formula > div:nth-child(2) { grid-column: 1 / -1; }

  .side { margin-top: 4px; }
  .barra-totale { display: flex; justify-content: space-between; align-items: center; gap: 10px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom)); background: #12100D; border-top: 1px solid var(--gold); color: var(--cream); text-decoration: none; font-size: 14px; }
  .barra-totale b { color: var(--gold2); font-size: 16px; }
  .barra-totale .c-errore { font-size: 12px; }

  .listini-head input[type=search] { max-width: none; flex-basis: 100%; order: 3; }
  .listini-head .azioni { margin-left: 0 !important; }
  .tabs { top: 0; flex-wrap: nowrap; overflow-x: auto; margin: 8px -10px 10px; padding: 6px 10px; scrollbar-width: none; }
  .tab { white-space: nowrap; flex: none; }
  .card-head { flex-wrap: wrap; }
  .scroll-x { margin: 0 -12px; padding: 0 12px; }

  .modal { align-items: flex-end; }
  .modal .card, #aggiungi .card { width: 100%; max-width: none; margin: 0; border-radius: 12px 12px 0 0; }
  .centro { margin: 4vh 12px; }
}