:root{--roig:#e30613;--fosc:#202020;--gris:#f4f4f4;--vora:#e7e7e7;--verd:#075a0b}
*{box-sizing:border-box} body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#fff,#f6f6f6);color:#111}.fixed{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;background:#fff;border-bottom:4px solid var(--roig);padding:10px 18px;box-shadow:0 3px 14px rgba(0,0,0,.08)}.fixed img{height:54px;width:auto}.title{font-weight:900;font-size:18px}.subtitle{font-size:13px;color:#555}.wrap{max-width:980px;margin:24px auto;padding:0 14px}.card{background:#fff;border:1px solid var(--vora);border-radius:16px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:20px;margin-bottom:18px}.form-title{font-size:24px;font-weight:900;margin-bottom:8px}.intro{margin-top:0;color:#555;line-height:1.35}.section-h{font-size:16px;margin:20px 0 6px;border-left:5px solid var(--roig);padding-left:10px}label{display:block;font-weight:800;margin-top:14px;margin-bottom:6px}.req::after{content:" *";color:var(--roig)}select,input{width:100%;padding:12px;border:1px solid #ccc;border-radius:10px;font-size:16px;background:#fff}button{width:100%;margin-top:20px;border:none;border-radius:12px;background:var(--roig);color:#fff;font-weight:900;font-size:17px;padding:13px;cursor:pointer}button:hover{filter:brightness(.95)}.btn-secondary{width:auto;background:#555;margin:6px;padding:11px 16px}.center-actions{text-align:center}.hidden,#resultCard{display:none}.result-title{font-size:20px;font-weight:900;margin-bottom:10px}.concept{display:flex;justify-content:space-between;gap:14px;border-bottom:1px dashed #ddd;padding:8px 0}.concept div:first-child{font-weight:700}.value{font-size:21px;font-weight:900;color:var(--verd)}.small{font-size:12px;color:#666}.note{font-size:13px;color:#555;margin-top:10px;line-height:1.35}.table-grid{display:grid;grid-template-columns:1fr;gap:18px}.tablebox{overflow:auto}.smallcap{font-weight:900;text-align:center;border:1px solid #111;border-bottom:0;padding:7px;background:#fff}table{width:100%;border-collapse:collapse;font-size:13px;background:rgba(255,255,255,.9)}th,td{border:1px solid #111;padding:6px;text-align:right;white-space:nowrap}th:first-child,td:first-child{text-align:left}thead th{background:var(--roig);color:#fff}.print-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.print-header img{height:50px}.watermark{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:68%;max-width:640px;height:auto;opacity:.06;z-index:-1;pointer-events:none}@media (min-width:860px){.table-grid{grid-template-columns:1fr 1fr}}@media print{body{background:#fff}.fixed,.center-actions{display:none}.card{box-shadow:none;border:0}.wrap{max-width:none;margin:0}.no-print{display:none!important}}
.result-subtitle{font-size:14px;color:#666;margin:-4px 0 10px 0;font-weight:700}.concept.total{border-top:2px solid #ddd;margin-top:8px;padding-top:10px}.no-print{margin-top:16px}@media print{.no-print{display:none!important}}

/* Capçalera comuna */
.app-header{justify-content:space-between;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit}
.brand span{display:block}
.switch-personal{display:inline-flex;align-items:center;justify-content:center;border:2px solid var(--roig);border-radius:999px;color:var(--roig);background:#fff;text-decoration:none;font-weight:900;padding:10px 14px;white-space:nowrap}
.switch-personal:hover{background:var(--roig);color:#fff}
@media (max-width:640px){.app-header{align-items:flex-start}.switch-personal{width:100%;margin-top:8px}.fixed img{height:46px}.title{font-size:16px}}
@media print{.switch-personal{display:none!important}}


/* Capçalera comuna segons referència */
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  background:#fff;
  padding:11px 12px 6px 12px;
  border-bottom:none;
  box-shadow:none;
}
.brand-block,.brand{
  display:flex;
  align-items:center;
  gap:14px;
  text-decoration:none;
  color:inherit;
}
.site-header img{
  width:222px;
  height:54px;
  object-fit:contain;
  border-radius:14px;
  display:block;
}
.brand-text{display:block;line-height:1.08}
.title{font-weight:900;font-size:21px;color:#111;letter-spacing:.1px}
.subtitle{display:block;font-size:14px;color:#666;font-weight:400;margin-top:3px}
.switch-personal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:2px solid #e30613;
  border-radius:999px;
  color:#e30613;
  background:#fff;
  text-decoration:none;
  font-weight:900;
  padding:10px 14px;
  white-space:nowrap;
}
.switch-personal:hover{background:#e30613;color:#fff}
@media (max-width:640px){
  .site-header{align-items:flex-start;padding:10px 12px 8px 12px}
  .brand-block,.brand{gap:10px}
  .site-header img{width:170px;height:auto}
  .title{font-size:18px}
  .subtitle{font-size:13px}
  .switch-personal{width:100%;margin-top:6px}
}
@media print{.site-header,.switch-personal{display:none!important}}

.fixed{display:none}


/* ===== Header i footer ajustats segons referència ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  background:#fff;
  padding:18px 16px 12px 16px;
  border-bottom:1px solid #ececec;
  box-shadow:0 3px 14px rgba(0,0,0,.06);
}
.site-header .brand-block{display:block}
.site-header .brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
  text-decoration:none;
  color:inherit;
}
.site-header img{
  width:220px;
  height:auto;
  object-fit:contain;
  border-radius:0;
  display:block;
}
.brand-text{display:block;line-height:1.08}
.title{
  display:block;
  font-weight:900;
  font-size:32px;
  color:#111;
  letter-spacing:-0.02em;
}
.brand-version{
  display:block;
  margin-top:6px;
  font-size:22px;
  font-weight:900;
  color:#111;
}
.subtitle{display:none!important}
.switch-personal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:2px solid #e30613;
  border-radius:999px;
  color:#e30613;
  background:#fff;
  text-decoration:none;
  font-weight:900;
  padding:10px 14px;
  white-space:nowrap;
  margin-top:8px;
}
.switch-personal:hover{background:#e30613;color:#fff}
.site-footer{
  margin-top:28px;
  padding:18px 16px 26px;
  text-align:center;
  font-size:16px;
  font-weight:800;
  color:#111;
}
@media (max-width:640px){
  .site-header{padding:14px 12px 10px}
  .site-header img{width:170px}
  .title{font-size:22px}
  .brand-version{font-size:18px}
  .switch-personal{width:100%;margin-top:0}
  .site-footer{font-size:15px;padding:16px 12px 22px}
}
@media print{.site-header,.switch-personal,.site-footer{display:none!important}}


/* ===== v4.03.00 capçalera bilingüe ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:nowrap;
  background:#fff;
  padding:18px 20px 14px;
  border-bottom:4px solid #cc1d12;
  box-shadow:0 4px 12px rgba(0,0,0,.06);
}
.site-header .brand-wrap,
.site-header .brand{
  display:flex;
  align-items:center;
  gap:18px;
  text-decoration:none;
  color:inherit;
  min-width:0;
}
.site-header .brand-wrap{flex:1 1 auto}
.site-header img{
  width:180px;
  max-width:38vw;
  height:auto;
  object-fit:contain;
  border-radius:0;
  flex:0 0 auto;
}
.brand-text{
  display:block;
  min-width:0;
}
.title,
.brand-title{
  display:block;
  font-size:28px;
  line-height:1.05;
  font-weight:900;
  color:#111;
  letter-spacing:-0.02em;
  margin:0;
}
.brand-version{
  display:block;
  margin-top:6px;
  font-size:20px;
  line-height:1.1;
  font-weight:800;
  color:#444;
}
.lang-switcher{
  display:flex;
  gap:10px;
  flex:0 0 auto;
}
.lang-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:78px;
  min-height:78px;
  border-radius:22px;
  border:2px solid #d8d8d8;
  background:#fff;
  color:#111;
  text-decoration:none;
  font-weight:900;
  font-size:20px;
  box-shadow:0 1px 0 rgba(0,0,0,.04) inset;
}
.lang-btn.is-active{
  background:#cc1d12;
  color:#fff;
  border-color:#cc1d12;
}
.subnav{
  max-width:980px;
  margin:16px auto 0;
  padding:0 14px;
}
.subnav .switch-personal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:2px solid #e30613;
  border-radius:999px;
  color:#e30613;
  background:#fff;
  text-decoration:none;
  font-weight:900;
  padding:10px 16px;
  white-space:nowrap;
  margin:0;
}
.subnav .switch-personal:hover{background:#e30613;color:#fff}
.site-footer{
  margin-top:28px;
  padding:18px 16px 26px;
  text-align:center;
  font-size:16px;
  font-weight:800;
  color:#111;
}
@media (max-width:760px){
  .site-header{align-items:flex-start;gap:14px;flex-wrap:wrap;padding:14px 12px 12px}
  .site-header .brand-wrap,.site-header .brand{gap:12px}
  .site-header img{width:150px;max-width:44vw}
  .title,.brand-title{font-size:21px}
  .brand-version{font-size:17px}
  .lang-switcher{margin-left:auto}
  .lang-btn{min-width:66px;min-height:66px;border-radius:18px;font-size:18px}
}
@media (max-width:560px){
  .site-header .brand-wrap{width:100%}
  .lang-switcher{width:100%;justify-content:flex-end}
  .title,.brand-title{font-size:18px}
  .brand-version{font-size:15px}
  .lang-btn{min-width:58px;min-height:58px;border-radius:16px;font-size:17px}
}
@media print{.site-header,.lang-switcher,.subnav,.site-footer{display:none!important}}


/* Easter egg: cinc clics sobre el peu */
.site-footer{
  user-select:none;
  -webkit-user-select:none;
}


/* ===== v4.03.04 alineació horitzontal de marca ===== */
.site-header .brand-wrap,
.site-header .brand{
  flex-direction:row !important;
  align-items:center !important;
}
.site-header .brand-text{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
}
.site-header .brand-title,
.site-header .brand-version{
  width:auto;
  text-align:left;
}
@media (max-width:760px){
  .site-header .brand-wrap,
  .site-header .brand{
    flex-direction:row !important;
    align-items:center !important;
  }
}


/* ===== V4.05.04 — botons coherents amb CAT/ES i Calcular nòmina ===== */
button:not(.mobile-stepper-btn):not(.mobile-carousel-arrow):not(.pwa-install-close){
  min-height:58px;
  border:2px solid #CC0000;
  border-radius:18px;
  font-weight:900;
  box-shadow:none;
}
#calc{
  background:#CC0000;
  color:#fff;
  border-color:#CC0000;
}
#calc:hover,#calc:focus-visible{
  filter:brightness(.94);
  outline:none;
  box-shadow:0 0 0 4px rgba(204,0,0,.16);
}
.btn-secondary{
  background:#fff;
  color:#CC0000;
  border-color:#CC0000;
}
.btn-secondary:hover,.btn-secondary:focus-visible{
  background:#CC0000;
  color:#fff;
  outline:none;
  filter:none;
}
.subnav .switch-personal{
  width:100%;
  min-height:58px;
  border:2px solid #CC0000;
  border-radius:18px;
  color:#CC0000;
  font-size:1.05rem;
  padding:12px 18px;
}
.subnav .switch-personal:hover,
.subnav .switch-personal:focus-visible{
  background:#CC0000;
  color:#fff;
  outline:none;
}
@media (max-width:720px){
  .center-actions{
    display:grid;
    grid-template-columns:1fr;
    gap:10px;
  }
  .center-actions button{
    width:100%;
    max-width:none;
    margin:0;
  }
}