/* ========== Metal Calculator (Oro/Argento) ========== */

.mcalc{
  --mc-bg:#faf9f7;
  --mc-card:#ffffff;
  --mc-text:#222;
  --mc-muted:#6b7280;
  --mc-border:#e5e7eb;
  --mc-accent:#c8ac6e;  /* oro brand */
  --mc-accent-contrast:#ffffff;

  background:var(--mc-bg);
  color:var(--mc-text);
  border:1px solid var(--mc-border);
  border-radius:12px;
  padding:16px;
  max-width:680px;
  width:100%;
  box-shadow:0 4px 18px rgba(0,0,0,.06);
}

/* Titoli */
.mcalc .calc-title{
  margin:.25rem 0 .5rem 0;
  font-size:clamp(18px,2.2vw,20px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:.2px;
}

/* Sottotitolo + badge */
.mcalc .calc-subtitle{
  font-size:14px;
  color:var(--mc-muted);
  display:flex;
  align-items:center;
  gap:.5rem;
  margin:0 0 10px 0;
}

.mcalc .badge{
  display:inline-block;
  background:#f3f4f6;
  color:#111827;
  padding:.25rem .5rem;
  border-radius:8px;
  font-weight:700;
  border:1px solid var(--mc-border);
}

/* Griglie bottoni prezzo */
.mcalc .calc-buttons{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:10px;
  margin-bottom:10px;
}

.mcalc .calc-btn{
  appearance:none;
  border:1px solid var(--mc-border);
  background:var(--mc-card);
  border-radius:10px;
  padding:10px 8px;
  text-align:center;
  cursor:pointer;
  transition:transform .1s ease, box-shadow .2s ease, border-color .2s ease;
  box-shadow:0 2px 8px rgba(0,0,0,.04);
}

.mcalc .calc-btn:hover{
  transform:translateY(-1px);
  box-shadow:0 6px 16px rgba(0,0,0,.08);
  border-color:#d1d5db;
}

.mcalc .calc-btn.is-active{
  border-color:var(--mc-accent);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--mc-accent) 30%, transparent);
}

.mcalc .calc-btn .price{
  font-weight:800;
  font-size:16px;
  line-height:1.2;
}

.mcalc .calc-btn .label{
  margin-top:2px;
  font-size:12px;
  color:var(--mc-muted);
}

/* Riga input + totale */
.mcalc .calc-input{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:8px;
  background:#fff;
  border:1px solid var(--mc-border);
  border-radius:10px;
  padding:10px;
}

.mcalc .calc-input input[type="number"]{
  max-width:140px;
  width:100%;
  padding:8px 10px;
  border:1px solid #d1d5db;
  border-radius:8px;
  background:#fff;
  color:#111827;
  outline:none;
  font-size:14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.mcalc .calc-input input[type="number"]:focus{
  border-color:var(--mc-accent);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--mc-accent) 25%, transparent);
}

.mcalc .calc-result{
  margin-left:auto;
  font-weight:900;
  font-size:18px;
  letter-spacing:.2px;
}

/* Bottone blocca prezzo (opzionale) */
.mcalc .calc-lock{
  appearance:none;
  border:0;
  padding:10px 12px;
  border-radius:10px;
  background:var(--mc-accent);
  color:var(--mc-accent-contrast);
  font-weight:800;
  cursor:pointer;
  transition:transform .08s ease, box-shadow .2s ease, opacity .2s ease;
  white-space:nowrap;
}
.mcalc .calc-lock:hover{ box-shadow:0 8px 20px rgba(0,0,0,.12); }
.mcalc .calc-lock:active{ transform:translateY(1px) scale(.99); }

/* Iconcina (se la usi) */
.mcalc .icon-chart{
  width:14px; height:14px; display:inline-block;
  border-left:2px solid var(--mc-accent);
  border-bottom:2px solid var(--mc-accent);
  transform:skew(-15deg) rotate(45deg);
  margin-right:2px;
}

/* Responsive */
@media (max-width:640px){
  .mcalc{ padding:14px; border-radius:10px; }
  .mcalc .calc-buttons{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .mcalc .calc-result{ font-size:16px; }
  .mcalc .calc-lock{ padding:8px 10px; }
}

.mcalc-modal[aria-hidden="true"] { display:none; }
.mcalc-modal { position:fixed; inset:0; z-index:999999; }

.mcalc-modal__overlay{
  position:absolute; inset:0;
  background:rgba(0,0,0,.55);
}

.mcalc-modal__dialog{
  position:relative;
  max-width:520px;
  width:calc(100% - 32px);
  margin:8vh auto 0;
  background:#fff;
  border-radius:14px;
  box-shadow:0 20px 60px rgba(0,0,0,.25);
  padding:18px 18px 16px;
}

.mcalc-modal__close{
  position:absolute;
  top:10px; right:10px;
  width:36px; height:36px;
  border:0;
  background:transparent;
  font-size:26px;
  line-height:1;
  cursor:pointer;
  border-radius:10px;
}
.mcalc-modal__close:hover{ background:rgba(0,0,0,.06); }

.mcalc-modal__title{
  margin:0 40px 10px 0;
  font-size:18px;
}

.mcalc-modal__summary{
  font-size:14px;
  background:#f6f7f8;
  border-radius:12px;
  padding:10px 12px;
  margin-bottom:12px;
}
.mcalc-modal__summary p{ margin:6px 0; }

.mcalc-field{ display:block; margin:10px 0; }
.mcalc-field__label{ display:block; font-size:13px; margin-bottom:6px; opacity:.85; }
.mcalc-field__input{
  width:100%;
  border:1px solid #d7dbe0;
  border-radius:10px;
  padding:10px 12px;
  font-size:14px;
}
.mcalc-field__input:focus{
  outline:none;
  border-color:#7a5cff;
  box-shadow:0 0 0 3px rgba(122,92,255,.18);
}

.mcalc-modal__actions{
  display:flex;
  gap:10px;
  justify-content:flex-end;
  margin-top:12px;
}

.mcalc-btn{
  border-radius:10px;
  padding:10px 12px;
  border:1px solid #d7dbe0;
  background:#fff;
  cursor:pointer;
}
.mcalc-btn--primary{
  border-color:#7a5cff;
  background:#7a5cff;
  color:#fff;
}
.mcalc-btn--ghost{
  background:#fff;
}

.mcalc-modal__msg{
  margin-top:10px;
  font-size:13px;
  opacity:.9;
}
.mcalc-modal__msg.is-error{ color:#b00020; }
.mcalc-modal__msg.is-ok{ color:#0b7a2a; }


/* Dark mode (auto) */
@media (prefers-color-scheme: dark){
  .mcalc{
    --mc-bg:#0f1216;
    --mc-card:#0b0e12;
    --mc-text:#e7e9ee;
    --mc-muted:#9aa3af;
    --mc-border:#1f2937;
    --mc-accent:#d0b26e;
    --mc-accent-contrast:#111;
    box-shadow:0 0 0 rgba(0,0,0,0);
  }
  .mcalc .badge{ background:#151a20; color:#e7e9ee; border-color:#202936; }
  .mcalc .calc-btn{ background:var(--mc-card); border-color:#202936; }
  .mcalc .calc-btn:hover{ border-color:#394352; box-shadow:0 10px 22px rgba(0,0,0,.35); }
  .mcalc .calc-input{ background:#0b0e12; border-color:#202936; }
  .mcalc .calc-input input[type="number"]{ background:#0b0e12; border-color:#2a3442; color:#e7e9ee; }
}