:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.09);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --muted2: rgba(255,255,255,.55);
  --accent: #0193de; /* SwimmerShop */
  --accent2: rgba(1,147,222,.18);
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 600px at 15% -10%, rgba(1,147,222,.30), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(110,231,255,.18), transparent 60%),
    linear-gradient(180deg, #070b14, #0b1220 35%, #070b14);
}

a{ color: inherit; }

.container{
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(7,11,20,.55);
  border-bottom: 1px solid var(--border);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}
.brand{ display:flex; gap: 12px; align-items:center; }
.brand__dot{
  width: 14px; height: 14px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(1,147,222,.12);
}
.brand__title{ font-weight: 800; letter-spacing: .2px; }
.brand__sub{ color: var(--muted2); font-size: 12px; margin-top: 2px; }

.grid{
  display:grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 18px;
  padding: 22px 0 34px;
}
.grid--embed{ grid-template-columns: 1fr; padding-top: 10px; }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card__head{
  padding: 18px 18px 12px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.card__head h1, .card__head h2{
  margin: 0;
  font-size: 18px;
  letter-spacing: .2px;
}
.card__head p{ margin: 8px 0 0; }

.muted{ color: var(--muted); }
.small{ font-size: 12px; }

.form{ padding: 16px 18px 18px; }
.form--compact{ padding-top: 10px; }

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.field{
  display:flex;
  flex-direction: column;
  gap: 6px;
}
.field span{ color: var(--muted); font-size: 12px; }
.field input, .field select{
  width:100%;
  padding: 12px 12px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.40);
  color: var(--text);
  outline: none;
}
.field input:focus, .field select:focus{
  border-color: rgba(1,147,222,.55);
  box-shadow: 0 0 0 4px rgba(1,147,222,.18);
}
.field--inline{
  align-items: flex-end;
  justify-content: flex-end;
  display:flex;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  user-select:none;
}
.btn:hover{ background: rgba(255,255,255,.09); }
.btn--primary{
  background: linear-gradient(180deg, rgba(1,147,222,1), rgba(1,147,222,.75));
  border-color: rgba(1,147,222,.55);
}
.btn--primary:hover{ filter: brightness(1.05); }
.btn--ghost{
  background: transparent;
  border-color: rgba(255,255,255,.16);
}
.btn--danger{
  border-color: rgba(255,99,132,.35);
  background: rgba(255,99,132,.10);
}

.fineprint{
  margin-top: 10px;
  display:flex;
  gap: 10px;
  align-items:flex-start;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--accent2);
  color: rgba(255,255,255,.82);
  border: 1px solid rgba(1,147,222,.35);
  font-size: 12px;
  white-space: nowrap;
}

.output{ padding: 16px 18px 18px; }
.output.empty{
  display:flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}
.empty__icon{ font-size: 22px; opacity: .9; }
.empty__title{ font-weight: 800; letter-spacing: .2px; }
.empty__text{ color: var(--muted); }

.kpis{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.kpi{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
}
.kpi__label{ color: var(--muted); font-size: 12px; }
.kpi__value{ font-size: 18px; font-weight: 900; margin-top: 6px; letter-spacing: .2px; }
.kpi__sub{ color: var(--muted2); font-size: 12px; margin-top: 4px; }

.toolbar{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 14px;
}

.table{
  width:100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.16);
}
.table th, .table td{
  padding: 10px 10px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  text-align: left;
  font-size: 13px;
}
.table th{ color: rgba(255,255,255,.82); font-weight: 800; background: rgba(255,255,255,.04); }
.table tr:last-child td{ border-bottom: none; }

.block{
  margin-top: 14px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
}
.block h3{ margin: 0 0 10px; font-size: 14px; }
.pre{
  margin:0;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color: rgba(255,255,255,.90);
  font-size: 12.5px;
  line-height: 1.35;
}

.warn{
  margin-top: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,193,7,.30);
  background: rgba(255,193,7,.10);
  color: rgba(255,255,255,.86);
}
.warn ul{ margin: 8px 0 0 18px; color: rgba(255,255,255,.82); }

.prose{ padding: 12px 18px 18px; color: rgba(255,255,255,.82); }
.prose ul{ margin: 0 0 10px 18px; }
.prose p{ margin: 10px 0 0; }

.footer{
  border-top: 1px solid rgba(255,255,255,.12);
  background: rgba(7,11,20,.65);
}
.footer__inner{
  padding: 16px 0;
  display:flex;
  justify-content:space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.legend-pill{
  display:inline-flex;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-size: 12px;
  font-weight: 800;
}

/* Collapsible details (Legenda) */
.details { overflow: hidden; }
.details__summary{
  cursor: pointer;
  list-style: none;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  user-select: none;
}
.details__summary::-webkit-details-marker{ display:none; }

.details__hint{ opacity: .85; }

.details__content{
  margin-top: 12px;
  animation: detailsFade .18s ease-out;
}

.link{ color: rgba(255,255,255,.92); text-decoration: underline; text-decoration-color: rgba(1,147,222,.6); }
.link:hover{ text-decoration-color: rgba(1,147,222,1); }

@keyframes detailsFade {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}



@media (max-width: 920px){
  .grid{ grid-template-columns: 1fr; }
  .kpis{ grid-template-columns: 1fr; }
  .row{ grid-template-columns: 1fr; }
}

/* Menu hamburger */
.menu{ position: relative; }
.menu__btn{ display:inline-flex; align-items:center; gap:10px; }
.menu__label{ font-size: 13px; color: rgba(255,255,255,.92); }

.menu__icon{
  width: 18px; height: 12px; display:inline-block; position: relative;
}
.menu__icon::before, .menu__icon::after{
  content:""; position:absolute; left:0; right:0; height:2px;
  background: rgba(255,255,255,.85);
  border-radius: 999px;
}
.menu__icon::before{ top:0; box-shadow: 0 5px 0 rgba(255,255,255,.85); }
.menu__icon::after{ bottom:0; }

.menu__panel{
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 220px;
  padding: 8px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(7,11,20,.92);
  box-shadow: 0 18px 50px rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  display: none;
  z-index: 50;
}
.menu__panel.is-open{ display:block; }

.menu__item{
  display:flex;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: rgba(255,255,255,.92);
  border: 1px solid transparent;
}
.menu__item:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.10);
}

/* ===============================
   Mobile result highlight
   =============================== */

@keyframes resultPulse {
  0%   { box-shadow: 0 0 0 0 rgba(1,147,222,.45); }
  70%  { box-shadow: 0 0 0 14px rgba(1,147,222,0); }
  100% { box-shadow: 0 0 0 0 rgba(1,147,222,0); }
}

.result--pulse {
  animation: resultPulse 1.2s ease-out;
}

/* Hint "Risultato" (solo mobile) */
.result-hint {
  display: none;
  margin: 8px 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: #0193de;
  text-align: center;
}

@media (max-width: 768px) {
  .result-hint {
    display: block;
  }
}