:root{
  --bg:#F1F0EE; --panel:#FFFFFF; --ink:#000000; --muted:#5E5E5E; --line:#000000; --soft:#D9D7D3;
  --plate:#B8FF00; --plate-ink:#000000; --field:#FFFFFF; --focus:#6FA800;
  --c-mat:#B8FF00; --c-en:#D9FF7A; --c-mac:#000000; --c-hw:#5C8A00; --c-pack:#ECFFB8; --c-lab:#4A4A4A; --c-des:#9A9A9A; --c-rush:#8FD400;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
  color-scheme:light;
}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:inherit}
body:not(.site){margin:0;background:var(--bg);color:var(--ink);font-family:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.45;font-variant-numeric:tabular-nums}
.wrap{max-width:1180px;margin:0 auto;padding:24px 20px 60px}
.calc-h1{font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.05;margin:0}
h1 small{display:block;font-size:15px;font-weight:500;color:var(--muted);letter-spacing:0;margin-top:6px}
.hdr-tools{display:flex;gap:8px;align-items:center}
.grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
.panel{min-width:0;background:var(--panel);border:2px solid var(--line);border-radius:10px;padding:20px}
.panel + .panel{margin-top:20px}
h2{font-size:19px;font-weight:700;margin:0 0 16px;letter-spacing:-.01em}
.sticky{position:sticky;top:calc(16px + env(safe-area-inset-top,0px))}
@media (max-width:900px){.sticky{position:static}}

.tech{display:grid;grid-template-columns:repeat(5,1fr);border:2px solid var(--line);border-radius:7px;overflow:hidden;margin-bottom:18px}
.tech button{all:unset;cursor:pointer;padding:12px 14px;text-align:center;font-weight:600;color:var(--muted)}
.tech button small{display:block;font-weight:500;font-size:12px}
.tech button[aria-pressed="true"]{background:var(--plate);color:#000}
.tech button + button{border-left:2px solid var(--line)}
@media (max-width:420px){.tech button{padding:10px 4px;font-size:13px}}
.tech button:focus-visible{outline:2px solid var(--focus);outline-offset:-3px}

.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 14px}
.full{grid-column:1/-1}
@media (max-width:520px){.fields{grid-template-columns:1fr}}
label{display:block;overflow-wrap:anywhere;font-size:13px;font-weight:600;margin-bottom:5px}
.hint{font-weight:400;color:var(--muted)}
.inp{min-width:0;display:flex;align-items:center;background:var(--field);border:1.5px solid var(--line);border-radius:7px;overflow:hidden}
.inp:focus-within{border-color:var(--focus);box-shadow:0 0 0 2px var(--focus)}
.inp input,.inp select{flex:1;min-width:0;width:100%;text-overflow:ellipsis;border:0;background:transparent;color:var(--ink);font:inherit;padding:10px 12px;outline:none}
.inp select{cursor:pointer}
.inp .u{padding:0 12px;color:var(--muted);font-size:13px;white-space:nowrap}
.pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
select.plain{background:var(--field);color:var(--ink);border:1.5px solid var(--line);border-radius:7px;font:inherit;padding:8px 10px}

.calc-sec details{border-top:2px solid var(--line);margin-top:18px;padding-top:14px}
.calc-sec summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.calc-sec summary::-webkit-details-marker{display:none}
.calc-sec summary::after{content:"+";font-size:20px;font-weight:500;color:var(--muted)}
.calc-sec details[open] summary::after{content:"−"}
.calc-sec summary .hint{display:block;font-size:13px;font-weight:400}
.calc-sec details .fields{margin-top:14px}
.switch{display:flex;align-items:center;gap:10px;font-weight:600;cursor:pointer}
.switch input{width:18px;height:18px;accent-color:var(--ink)}

/* price tiers */
.tiers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.tier{all:unset;box-sizing:border-box;cursor:pointer;border:1.5px solid var(--line);border-radius:7px;padding:12px;background:var(--field);display:flex;flex-direction:column;gap:2px}
.tier:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.tier .n{font-size:13px;font-weight:600;color:var(--muted)}
.tier .p{font-size:22px;font-weight:800;letter-spacing:-.01em}
.tier .m{font-size:12px;color:var(--muted)}
.tier[aria-pressed="true"]{border-color:var(--plate);background:color-mix(in srgb,var(--plate) 22%,var(--field));box-shadow:inset 0 0 0 2px var(--plate)}
.tier .ci{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--muted)}
.tier .ci input{width:46px;border:1px solid var(--line);border-radius:5px;background:var(--panel);color:var(--ink);font:inherit;padding:2px 5px}
.selected{margin-top:14px;border:2px solid var(--line);background:var(--plate);color:var(--plate-ink);border-radius:10px;padding:16px 18px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.selected .big{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1}
.selected .sub{font-size:13px;opacity:.85}
.btn{all:unset;box-sizing:border-box;cursor:pointer;border-radius:7px;padding:10px 16px;font-weight:700;background:var(--ink);color:var(--panel);text-align:center}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.sm{padding:6px 10px;font-size:13px;font-weight:600}
.btn:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.selected .btn{background:#000;color:#B8FF00}
.lot{margin-top:10px;font-size:13px;color:var(--muted)}

/* breakdown + layered print */
.bd{display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:end}
@media (max-width:420px){.bd{grid-template-columns:90px 1fr}}
.print{display:flex;flex-direction:column-reverse;height:230px;position:relative}
.print .bed{height:10px;border-radius:7px;background:var(--plate);margin:0 -8px}
.print .stack{flex:1;display:flex;flex-direction:column-reverse;justify-content:flex-start;width:78%;margin:0 auto;clip-path:polygon(4% 0,96% 0,100% 100%,0 100%)}
.print .layer{background-image:repeating-linear-gradient(0deg,rgba(0,0,0,.14) 0 1px,transparent 1px 4px);transition:height .35s ease}
.print .empty{position:absolute;inset:0 0 10px;display:grid;place-items:center;text-align:center;font-size:12px;color:var(--muted);padding:0 4px}
@media (prefers-reduced-motion:reduce){.print .layer{transition:none}}
.rows{display:flex;flex-direction:column}
.row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--soft)}
.row.total{border-top:2px solid var(--line)}
.row .k{display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:7px;flex:none}
.row .pc{color:var(--muted);font-size:12px;margin-left:6px}
.row.total{border-bottom:0;font-weight:800;font-size:17px;padding-top:12px}

.saved{display:flex;flex-direction:column;gap:8px}
.q{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1.5px solid var(--line);border-radius:7px;padding:10px 12px;background:var(--field)}
.q b{display:block}
.q span{font-size:12px;color:var(--muted)}
.q .act{display:flex;gap:6px;flex:none}
.emptytxt{color:var(--muted);font-size:14px;margin:0}
.items{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.item{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) 78px auto 34px;gap:8px;align-items:center}
.item .tot{font-size:13px;color:var(--muted);text-align:right;white-space:nowrap;min-width:64px}
.item .x{all:unset;cursor:pointer;width:34px;height:34px;display:grid;place-items:center;border-radius:7px;color:var(--muted);font-size:18px}
.item .x:hover{background:var(--soft);color:var(--ink)}
.item .x:focus-visible{outline:2px solid var(--focus)}
.items-head{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) 78px auto 34px;gap:8px;font-size:12px;font-weight:600;color:var(--muted)}
.items-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font-weight:700}
@media (max-width:520px){.item,.items-head{grid-template-columns:1fr 1fr 64px 34px}.item .tot,.items-head .h-tot{display:none}}
.listino{font-size:12px;color:var(--muted);margin-top:4px}
.listino button{all:unset;cursor:pointer;color:var(--focus);font-weight:600;text-decoration:underline}
[hidden]{display:none !important}
.tier .ci{flex-wrap:wrap}
.inp select,select.plain{appearance:none;-webkit-appearance:none;cursor:pointer}
.inp select{padding-right:38px}
.inp:has(select){position:relative}
.inp:has(select)::after,.selwrap::after{content:"";position:absolute;right:15px;top:50%;width:7px;height:7px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.selwrap{position:relative;display:inline-block}
select.plain{padding-right:34px}
.selwrap::after{right:13px;transform:translateY(-85%) rotate(45deg)}
.tier[data-i="4"]{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;align-items:center;column-gap:18px;row-gap:4px}
.tier[data-i="4"] .n{flex-basis:100%}
.tier[data-i="4"] .ci{font-size:13px}
.tier[data-i="4"] .ci input{width:64px;padding:4px 7px;font-size:14px}
.tier[data-i="4"] .m:last-child{margin-left:auto}
.tier.wide{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:4px 16px}
.tier.wide .n{grid-column:1/-1}
.tier.wide .ci{font-size:13px;flex-wrap:nowrap;white-space:nowrap}
.tier.wide .ci input{width:72px;padding:6px 8px;font-size:15px;font-weight:700;border-width:1.5px}
.tier.wide .m:last-child{justify-self:end}
@media (max-width:520px){.tier.wide{grid-template-columns:auto auto;justify-content:space-between}.tier.wide .m:last-child{grid-column:1/-1;justify-self:start}}

/* layout con barra laterale */
.app{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;overflow-y:auto;background:#000;color:#fff;padding:22px 14px calc(18px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:14px;border-right:2px solid #000}
:root{padding-top:0}
.side{padding-top:calc(22px + env(safe-area-inset-top,0px))}
.brand{padding:0 8px 6px}
.brand b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em}
.brand b::after{content:"";display:block;width:44px;height:5px;background:var(--plate);border-radius:5px;margin-top:8px}
.brand span{display:block;font-size:12px;color:#A3A3A3;margin-top:8px}
.menu{display:flex;flex-direction:column;gap:2px;flex:1}
.menu .grp{margin:12px 8px 4px;font-size:11px;font-weight:700;color:#8A8A8A;letter-spacing:.02em}
.menu button{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:7px;font-weight:600;font-size:14px;color:#E6E6E6}
.menu button:hover{background:#1C1C1C}
.menu button[aria-current="page"]{background:var(--plate);color:#000}
.menu button:focus-visible{outline:2px solid var(--plate);outline-offset:1px}
.menu .ic{width:18px;text-align:center;font-size:14px;opacity:.85}
.menu .badge{margin-left:auto;min-width:20px;padding:0 6px;border-radius:999px;background:#2E2E2E;color:#fff;font-size:11px;line-height:20px;text-align:center}
.menu button[aria-current="page"] .badge{background:#000;color:var(--plate)}
.menu .badge.warn{background:var(--plate);color:#000}
.side-foot{border-top:1px solid #2E2E2E;padding:12px 8px 0}
.side-foot .hint{color:#A3A3A3}
.side-foot .inp{background:#111;border-color:#3A3A3A}
.side-foot .inp select{color:#fff}
.side-foot .inp:has(select)::after{border-color:#fff}
.side-foot .sync{display:block;margin-top:8px;color:#8A8A8A}
.main{min-width:0;padding:calc(26px + env(safe-area-inset-top,0px)) 26px 60px;max-width:1240px;width:100%}
.main h1{font-size:clamp(24px,3vw,34px);margin:0 0 20px}
.main h1::after{display:none}
.quick{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.two > div > .panel + .panel{margin-top:20px}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .side{position:sticky;top:0;z-index:5;height:auto;flex-direction:row;align-items:center;gap:10px;padding:calc(10px + env(safe-area-inset-top,0px)) 12px 10px;overflow-x:auto}
  .brand,.menu .grp,.side-foot .hint,.side-foot .sync{display:none}
  .menu{flex-direction:row;gap:4px;flex:none}
  .menu button{white-space:nowrap;padding:8px 12px}
  .side-foot{border:0;padding:0;flex:none;min-width:110px}
  .main{padding:20px 14px 60px}
}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%) translateY(20px);opacity:0;background:var(--ink);color:var(--panel);padding:10px 16px;border-radius:7px;font-weight:600;transition:.25s;pointer-events:none}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
:root{--c-ovh:#3D5C00}
/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px}
.tabs button{all:unset;box-sizing:border-box;cursor:pointer;padding:9px 16px;border:2px solid var(--line);border-radius:999px;font-weight:700;font-size:14px;background:var(--panel);color:var(--ink)}
.tabs button[aria-selected="true"]{background:var(--plate);color:#000}
.tabs button:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.tabs .badge{display:inline-block;min-width:18px;padding:0 6px;margin-left:6px;border-radius:999px;background:var(--ink);color:var(--panel);font-size:11px;line-height:18px;text-align:center}
.tabs button[aria-selected="true"] .badge{background:#000;color:var(--plate)}
.sync{font-size:12px;color:var(--muted)}
/* filament rows */
.fils{display:flex;flex-direction:column;gap:10px}
.fil{border:1.5px solid var(--line);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:8px}
.fil-top{display:grid;grid-template-columns:minmax(0,1fr) 34px;gap:8px;align-items:center}
.fil-top.wt{grid-template-columns:96px minmax(0,1fr) 34px}
.fil-top.one{grid-template-columns:minmax(0,1fr)}
.fil-nums{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.fil-nums label{font-size:12px;margin-bottom:3px}
@media (max-width:520px){.fil-nums{grid-template-columns:repeat(2,minmax(0,1fr))}.fil-nums>div:last-child{grid-column:1/-1}}
.x{all:unset;cursor:pointer;width:34px;height:34px;display:grid;place-items:center;border-radius:7px;color:var(--muted);font-size:18px}
.x:hover{background:var(--soft);color:var(--ink)}
.x:focus-visible{outline:2px solid var(--focus)}
.seg{display:inline-grid;grid-auto-flow:column;border:2px solid var(--line);border-radius:7px;overflow:hidden;margin-bottom:14px}
.seg button{all:unset;cursor:pointer;padding:7px 14px;font-weight:700;font-size:13px;color:var(--muted)}
.seg button + button{border-left:2px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--panel)}
.seg button:focus-visible{outline:2px solid var(--focus);outline-offset:-3px}
.pm-note{font-size:12px;color:var(--muted);margin:-8px 0 12px}
.selected .acts{display:flex;gap:8px;flex-wrap:wrap}
.selected .btn.alt{background:transparent;color:#000;border:2px solid #000}
/* records */
.recs{display:flex;flex-direction:column;gap:10px}
.rec{border:1.5px solid var(--line);border-radius:10px;padding:14px;background:var(--field)}
.rec-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.rec-head b{font-size:16px}
.rec .fields{gap:10px}
.rec-meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--muted);margin-top:10px}
.chip{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700;border:1.5px solid var(--line)}
.chip.warn{background:var(--plate);color:#000}
.chip.ok{background:var(--ink);color:var(--panel)}
.bar{height:8px;border:1.5px solid var(--line);border-radius:999px;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;background:var(--plate)}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;margin-bottom:14px}
.toolbar .l{display:flex;flex-wrap:wrap;gap:8px}
.q .act{flex-wrap:wrap;justify-content:flex-end}
.q{flex-wrap:wrap}
.q>div:first-child{min-width:0;flex:1 1 220px}
.q .act{flex:0 1 auto;min-width:0}
.logo-prev{max-width:180px;max-height:70px;border:1.5px dashed var(--line);border-radius:7px;padding:6px;background:#fff}
.two .panel + .panel{margin-top:0}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:900px){.two{grid-template-columns:1fr}}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:16px}
.kpi{border:1.5px solid var(--line);border-radius:10px;padding:12px;background:var(--panel)}
.kpi b{display:block;font-size:22px;font-weight:800}
.kpi span{font-size:12px;color:var(--muted)}
textarea{font:inherit}
.inp textarea{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);padding:10px 12px;outline:none;resize:vertical;min-height:60px}

/* campi numerici stabili su tutti i browser (Safari, Chrome, Firefox) */
input[type=number]{-moz-appearance:textfield;appearance:textfield}
input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;appearance:none;margin:0}
.inp input{-webkit-appearance:none;appearance:none;border-radius:0;box-shadow:none}
.inp .u{flex:0 0 auto;padding:0 12px 0 4px;line-height:1;text-align:right}
.inp input[type=number]{text-align:left}

.calc-sec{font-size:15px;line-height:1.45;font-variant-numeric:tabular-nums}
.calc-sec h2{font-size:19px}

.lock{display:inline-block;margin-left:6px;font-size:10px;font-weight:800;letter-spacing:.03em;line-height:1;padding:3px 6px;border-radius:999px;background:#000;color:#B8FF00;vertical-align:middle}
.tech button.t-locked{color:#9A9A9A;background:repeating-linear-gradient(135deg,#fff 0 6px,#F4F4F1 6px 12px)}
.tech button.t-locked .lock{margin-left:5px}
@media (max-width:520px){.tech button.t-locked .lock{display:none}}
.locked-row{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:11px 12px;border:1.5px dashed #9A9A9A;border-radius:7px;color:#5E5E5E;font-weight:600;font-size:14px;background:#FAFAF8}
.locked-row.full{grid-column:1/-1}
.locked-row:hover{border-color:#000;color:#000}
.locked-row:focus-visible{outline:2px solid #6FA800;outline-offset:2px}
.locked-box{margin-top:12px;border:1.5px dashed #9A9A9A;border-radius:7px;padding:14px;background:#FAFAF8}
.locked-box p{margin:0 0 10px;font-size:14px;color:#5E5E5E}
.locked-box .btn{display:inline-block;text-decoration:none}
.pro-lock .lock{margin-left:6px}
.pro-dlg{border:2px solid #000;border-radius:14px;padding:24px;max-width:420px;width:calc(100% - 40px);font-family:inherit}
.pro-dlg::backdrop{background:rgba(0,0,0,.45)}
.pro-dlg h2{margin:10px 0 6px;font-size:22px}
.pro-dlg p{margin:0 0 18px;color:#5E5E5E;line-height:1.5}
.pro-dlg .acts{display:flex;gap:8px;flex-wrap:wrap}
.pro-dlg .btn{text-decoration:none;display:inline-block}
.pro-dlg .lock{margin-left:0}