/* =========================================================
   VWC / STA — Calcolatore di carico container
   Foglio di stile dedicato alla pagina container.php
   ========================================================= */

.calc-wrap{max-width:1280px;margin-inline:auto;padding-inline:clamp(18px,4vw,40px)}

/* ---------------------------------------------------- intestazione */
.calc-hero{
  position:relative;isolation:isolate;color:#fff;overflow:hidden;
  padding-block:clamp(56px,8vw,92px) clamp(40px,6vw,64px);
  background:linear-gradient(140deg,#050d18 0%,#0d2140 55%,#1b3f70 100%);
}
.calc-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(circle at 78% 18%,rgba(217,146,74,.28),transparent 62%);
}
.calc-hero h1{font-size:clamp(1.8rem,4vw,2.9rem);margin-bottom:.6rem;letter-spacing:-.03em}
.calc-hero p{color:#bed3ea;max-width:70ch;font-size:clamp(.98rem,1.4vw,1.12rem)}

/* selettore lingua a bandierine testuali */
.langbar{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:1.6rem}
.langbar button{
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.07);color:#cfe0f5;
  border-radius:99px;padding:5px 14px;font:inherit;font-size:.76rem;font-weight:700;
  letter-spacing:.08em;cursor:pointer;transition:.18s;
}
.langbar button:hover{background:rgba(255,255,255,.16);color:#fff}
.langbar button[aria-pressed="true"]{background:#fff;color:#0d2140;border-color:#fff}

/* ---------------------------------------------------- struttura */
.calc-body{padding-block:clamp(34px,5vw,56px);background:var(--paper-soft,#f5f8fc)}
.calc-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(20px,3vw,32px);align-items:start}

.panel-c{
  background:#fff;border:1px solid var(--line,#e2e8f0);border-radius:16px;
  padding:clamp(20px,2.6vw,28px);box-shadow:0 1px 2px rgba(16,26,38,.05),0 6px 20px rgba(16,26,38,.05);
  margin-bottom:20px;
}
.panel-c > h2{
  font-size:1.05rem;letter-spacing:-.01em;margin:0 0 1.1rem;padding-bottom:.8rem;
  border-bottom:1px solid var(--line,#e2e8f0);display:flex;align-items:center;gap:.6rem;
}
.step{
  width:26px;height:26px;border-radius:8px;background:linear-gradient(140deg,#1A3C6E,#B87333);
  color:#fff;display:grid;place-items:center;font-size:.78rem;font-weight:800;flex:none;
}

/* ---------------------------------------------------- campi */
.fld{margin-bottom:.9rem}
.fld > label{
  display:block;font-size:.74rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:#5b6b7c;margin-bottom:.3rem;
}
.fld input,.fld select{
  width:100%;padding:9px 12px;border:1.5px solid var(--line,#e2e8f0);border-radius:9px;
  font:inherit;font-size:.93rem;background:#fff;color:#101a26;
}
.fld input:focus,.fld select:focus{outline:none;border-color:#1A3C6E;box-shadow:0 0 0 4px rgba(26,60,110,.11)}
.fld input[readonly]{background:#f1f5f9;color:#5b6b7c}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.hint{font-size:.76rem;color:#5b6b7c;margin-top:.35rem;line-height:1.45}

.chk{display:flex;align-items:center;gap:.5rem;font-size:.88rem;color:#101a26;margin:.5rem 0}
.chk input{width:auto;margin:0}

/* ---------------------------------------------------- righe di carico */
.item{
  border:1px solid var(--line,#e2e8f0);border-radius:12px;padding:16px;margin-bottom:12px;
  background:#fbfcfe;position:relative;
}
.item.on{border-color:#B87333;background:#fffaf4}
.item-head{display:flex;align-items:center;gap:10px;margin-bottom:.9rem}
.item-head .tag2{
  font-size:.68rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
  background:#1A3C6E;color:#fff;border-radius:5px;padding:3px 9px;
}
.item-head .tag2.pal{background:#B87333}
.item-head strong{font-size:.92rem;margin-right:auto}
.item .del{
  border:0;background:#fdecea;color:#b3261e;border-radius:7px;width:28px;height:28px;
  cursor:pointer;font-size:1.1rem;line-height:1;font-family:inherit;
}
.item .del:hover{background:#f9d5d1}

.addbtns{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.addbtn{
  border:1.5px dashed var(--line,#e2e8f0);background:#fff;color:#1A3C6E;border-radius:10px;
  padding:10px 18px;font:inherit;font-size:.88rem;font-weight:600;cursor:pointer;transition:.18s;
}
.addbtn:hover{border-color:#1A3C6E;background:#f2f6fb}

.btn-calc{
  width:100%;padding:14px 24px;border:0;border-radius:99px;cursor:pointer;
  background:linear-gradient(135deg,#1A3C6E,#2f6bb5);color:#fff;font:inherit;font-weight:700;
  font-size:1rem;box-shadow:0 10px 26px rgba(26,60,110,.26);transition:.18s;
}
.btn-calc:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(26,60,110,.32)}

/* ---------------------------------------------------- risultati */
.res-empty{
  border:2px dashed var(--line,#e2e8f0);border-radius:16px;padding:48px 24px;text-align:center;
  color:#5b6b7c;font-size:.94rem;
}
.kpi{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:16px}
.kpi div{
  border:1px solid var(--line,#e2e8f0);border-radius:12px;padding:14px 16px;background:#fff;
}
.kpi b{display:block;font-size:1.55rem;font-weight:800;letter-spacing:-.03em;color:#1A3C6E;line-height:1.1}
.kpi span{font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;color:#5b6b7c;font-weight:600}

.bar-wrap{margin-bottom:14px}
.bar-lbl{display:flex;justify-content:space-between;font-size:.8rem;margin-bottom:5px;color:#5b6b7c;font-weight:600}
.bar-lbl b{color:#101a26}
.bar{height:14px;border-radius:99px;background:#e8eef6;overflow:hidden;position:relative}
.bar i{display:block;height:100%;border-radius:99px;transition:width .5s cubic-bezier(.22,.7,.3,1)}
.bar i.ok  {background:linear-gradient(90deg,#1f9d55,#4cd68c)}
.bar i.warn{background:linear-gradient(90deg,#b8860b,#e8b339)}
.bar i.over{background:linear-gradient(90deg,#a11c14,#e2564a)}

.verdict{border-radius:12px;padding:14px 18px;font-size:.92rem;font-weight:600;margin-bottom:16px;border:1px solid}
.verdict.ok  {background:#e7f6ee;color:#0f7a44;border-color:#b7e3cb}
.verdict.warn{background:#fff6e5;color:#8a5b00;border-color:#f2dcb0}
.verdict.over{background:#fdecea;color:#b3261e;border-color:#f5c2be}
.verdict small{display:block;font-weight:500;margin-top:.35rem;opacity:.9}

table.res{width:100%;border-collapse:collapse;font-size:.86rem;margin-bottom:14px}
table.res th,table.res td{padding:9px 10px;border-bottom:1px solid var(--line,#e2e8f0);text-align:left}
table.res thead th{
  background:#12253f;color:#fff;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;
}
table.res td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
table.res tfoot td{font-weight:800;background:#f1f5f9;border-bottom:0}

.plan{border:1px solid var(--line,#e2e8f0);border-radius:12px;padding:14px;background:#fff;margin-bottom:14px}
.plan h3{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#5b6b7c;margin:0 0 .7rem}
.plan svg{width:100%;height:auto;display:block}

.disclaimer{
  border-left:3px solid #B87333;background:#fff8f1;border-radius:0 10px 10px 0;
  padding:14px 18px;font-size:.83rem;color:#6b4a28;line-height:1.6;
}
.disclaimer strong{color:#8a5526}
.disclaimer + .disclaimer{margin-top:10px}

/* ---------------------------------------------------- protezione copia */
.noselect{
  -webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;
  -webkit-touch-callout:none;
}
.noselect input,.noselect select{-webkit-user-select:text;user-select:text}

@media print{
  body::before{
    content:attr(data-printmsg);display:block;padding:40px;font-size:18px;font-family:sans-serif;
  }
  .calc-hero,.calc-body,.hdr,.ftr{display:none !important}
}

@media (max-width:960px){
  .calc-grid{grid-template-columns:1fr}
  .row3{grid-template-columns:1fr 1fr}
  .kpi{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .row3,.row2{grid-template-columns:1fr}
}

/* classi introdotte al posto degli attributi style inline (vietati dalla CSP) */
.panel-gap{margin-top:22px}
.row3.endalign{align-items:end}
.addbtn.wide{width:100%;padding:9px 10px}

/* ---------------------------------------------------- scheda del cavo scelto */
.cabCard:not(:empty){
  display:flex;gap:14px;align-items:flex-start;margin:-2px 0 .9rem;
  padding:12px 14px;border:1px solid #dbe4ef;border-radius:11px;
  background:linear-gradient(140deg,#f7fafd,#eef4fa);
}
.cabPic{flex:none;width:108px;display:grid;place-items:center;
  background:#0f1c2e;border-radius:9px;padding:6px}
.cabPic svg{display:block}
.cabTxt{min-width:0;font-size:.84rem;line-height:1.45}
.cabCode{display:inline-block;font-family:ui-monospace,Menlo,monospace;font-size:.7rem;font-weight:800;
  background:#1A3C6E;color:#fff;border-radius:5px;padding:2px 8px;margin-bottom:5px}
.cabTxt strong{display:block;color:#101a26;font-size:.9rem}
.cabTxt em{display:block;font-style:normal;color:#5b6b7c;font-size:.76rem;
  font-family:ui-monospace,Menlo,monospace;margin-bottom:.35rem}
.cabTxt p{margin:0 0 .45rem;color:#4d6070}
.cabKg{display:inline-block;font-size:.75rem;font-weight:800;border-radius:5px;padding:3px 9px;
  background:#e7f6ee;color:#0f7a44;border:1px solid #b7e3cb}
.cabKg.no{background:#fff6e5;color:#8a5b00;border-color:#f2dcb0;text-transform:uppercase;letter-spacing:.06em}
@media(max-width:560px){.cabCard:not(:empty){flex-direction:column}.cabPic{width:100%}}

/* ---------------------------------------------------- legenda del carico */
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;margin:0 0 12px;font-size:.8rem;color:#4d6070}
.lg{display:inline-flex;align-items:center;gap:7px}
.lg i{width:16px;height:16px;border-radius:4px;display:block;flex:none;opacity:.45;
  box-shadow:inset 0 0 0 1.6px rgba(0,0,0,.35)}
.lg i.free{background:#fff;opacity:1;box-shadow:inset 0 0 0 1.5px #cbd5e1}
.lg b{color:#101a26}

/* le tre viste affiancate quando c'è spazio */
.planote,.planote{margin:0}
.plan .planote{font-size:.78rem;color:#5b6b7c;margin:.6rem 0 0;text-align:center}
.plan .plannote{font-size:.78rem;color:#5b6b7c;margin:.6rem 0 0;text-align:center;font-weight:600}