/* ============================================================
   LYMER CALCULATOR — foglio di stile
   Pagina standalone (caricata in iframe): nessun conflitto con il
   tema del sito, quindi niente più !important o scoping difensivo.
   ============================================================ */

/* Se hai il file del font "Faithfully", scommenta e imposta il percorso: */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --lc-black: #000000;
  --lc-white: #ffffff;
  --lc-accent: #D0CBC9;
  --lc-line: rgba(0, 0, 0, 0.85);
  --lc-line-soft: rgba(0, 0, 0, 0.18);
  --lc-fill-soft: rgba(0, 0, 0, 0.04);
  --lc-text-soft: rgba(0, 0, 0, 0.55);
  --lc-ease: cubic-bezier(.4, 0, .2, 1);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--lc-white);
}

body {
  font-family: 'Montserrat', Arial, sans-serif;
  color: var(--lc-black);
  padding: 24px 16px;
}

p, h1, h2, label, span, div {
  margin: 0;
  line-height: 1.4;
}

/* ---------- header ---------- */
.lc-header {
  text-align: center;
  margin-bottom: 28px;
}
.lc-title {
  display: block;
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 60px;
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: 5px;
  margin-bottom: 10px;
}
.lc-subtitle {
  display: block;
  font-size: 12px;
  color: var(--lc-text-soft);
}

/* ---------- tabs: pulsanti staccati, bordo nero, sfondo bianco ---------- */
.lc-tabs-wrap {
  position: relative;
  margin-bottom: 28px;
  padding-bottom: 18px;
}
.lc-tabs-wrap::after {
  content: "";
  display: block;
  width: 50%;
  margin: 18px auto 0;
  border-bottom: 1.5px solid var(--lc-line);
}
.lc-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
}
.lc-tab-btn {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  margin: 0;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--lc-black);
  background-color: var(--lc-white);
  border: 1px solid var(--lc-black);
  cursor: pointer;
  transition: color .2s var(--lc-ease), background-color .2s var(--lc-ease), border-color .2s var(--lc-ease);
}
.lc-tab-btn.active {
  background-color: var(--lc-accent);
  font-weight: 800;
}
.lc-tab-btn:hover {
  color: var(--lc-white);
  background-color: var(--lc-black);
  border-color: var(--lc-black);
}

/* ---------- panel ---------- */
.lc-panel {
  display: none;
}
.lc-panel.active {
  display: block;
  animation: lc-fade-in .35s var(--lc-ease) both;
}
@keyframes lc-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lc-row {
  margin-bottom: 24px;
}
.lc-label {
  display: block;
  font-weight: 700;
  font-size: 11.5px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ---------- select articolo ---------- */
.lc-select-wrap {
  position: relative;
}
.lc-select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding: 12px 40px 12px 14px;
  font-family: inherit;
  font-size: 16px;
  color: var(--lc-black);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid var(--lc-line);
  background-color: var(--lc-white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  cursor: pointer;
  transition: border-color .2s var(--lc-ease), background-color .2s var(--lc-ease);
}
.lc-select:hover {
  background-color: var(--lc-fill-soft);
}
.lc-select:focus {
  outline: none;
  border-color: var(--lc-black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.12);
}

/* ---------- segmented toggle ---------- */
.lc-segmented {
  position: relative;
  display: flex;
  border: 1px solid var(--lc-line);
  background-color: var(--lc-white);
  overflow: hidden;
  margin-bottom: 20px;
}
.lc-seg-btn {
  box-sizing: border-box;
  flex: 1;
  text-align: center;
  padding: 12px 10px;
  margin: 0;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--lc-black);
  background-color: var(--lc-white);
  border: none;
  cursor: pointer;
  transition: color .2s var(--lc-ease), background-color .2s var(--lc-ease);
}
.lc-seg-btn + .lc-seg-btn {
  border-left: 1px solid var(--lc-line);
}
.lc-seg-btn.active {
  font-weight: 800;
  background-color: var(--lc-accent);
}
.lc-seg-btn:hover {
  color: var(--lc-white);
  background-color: var(--lc-black);
}

/* ---------- inputs ---------- */
.lc-inputs-linear, .lc-inputs-mq {
  display: none;
}
.lc-inputs-linear.active, .lc-inputs-mq.active {
  display: block;
  animation: lc-fade-in .3s var(--lc-ease) both;
}

.lc-input-pair {
  display: flex;
  gap: 14px;
}
.lc-input-pair > div {
  flex: 1;
}

.lc-input {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--lc-black);
  border: 1px solid var(--lc-line);
  background: var(--lc-white);
  transition: border-color .2s var(--lc-ease), background-color .2s var(--lc-ease), transform .15s var(--lc-ease);
}
.lc-input:hover {
  background: var(--lc-fill-soft);
}
.lc-input:focus {
  outline: none;
  border-color: var(--lc-black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.12);
  transform: translateY(-1px);
}
.lc-input::placeholder {
  color: rgba(0, 0, 0, 0.35);
}

/* ---------- results ---------- */
.lc-results {
  margin-top: 22px;
  border: 1px solid var(--lc-line);
  background: var(--lc-white);
}
.lc-result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--lc-line-soft);
  transition: background-color .2s var(--lc-ease);
}
.lc-result-row:last-child {
  border-bottom: none;
}
.lc-result-row:not(.lc-primary):hover {
  background: var(--lc-fill-soft);
}
.lc-result-label {
  font-size: 13px;
  color: var(--lc-text-soft);
}
.lc-result-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--lc-black);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.lc-result-row.lc-primary {
  background: var(--lc-accent);
  border-bottom: none;
  border-top: 1.5px solid var(--lc-line);
  padding: 18px 16px;
}
.lc-result-row.lc-primary:hover {
  background: var(--lc-accent);
}
.lc-result-row.lc-primary .lc-result-label {
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  font-size: 11.5px;
}
.lc-result-row.lc-primary .lc-result-value {
  font-size: 22px;
  font-weight: 800;
}

.lc-note {
  font-size: 11.5px;
  color: var(--lc-text-soft);
  margin-top: 20px;
  line-height: 1.6;
}

/* ---------- responsive ---------- */
@media (max-width: 560px) {
  body { padding: 20px 14px; }
  .lc-header { margin-bottom: 20px; }
  .lc-title { font-size: 30px; letter-spacing: 1px; }
  .lc-subtitle { font-size: 11px; }

  .lc-tabs-wrap { margin-bottom: 20px; }
  .lc-tabs { gap: 8px; }
  .lc-tab-btn { padding: 10px 12px; font-size: 10.5px; letter-spacing: 1px; }

  .lc-row { margin-bottom: 18px; }
  .lc-select { font-size: 14px; padding: 11px 36px 11px 12px; }

  .lc-input-pair { flex-direction: column; gap: 0; }

  .lc-segmented { flex-direction: column; }
  .lc-seg-btn { font-size: 11px; padding: 12px 10px; letter-spacing: 0.3px; }
  .lc-seg-btn + .lc-seg-btn { border-left: none; border-top: 1px solid var(--lc-line); }

  .lc-result-row { padding: 10px 12px; flex-wrap: wrap; }
  .lc-result-label { font-size: 12px; }
  .lc-result-value { font-size: 13px; }
  .lc-result-row.lc-primary .lc-result-value { font-size: 19px; }
}

@media (max-width: 360px) {
  .lc-title { font-size: 26px; }
  .lc-tab-btn { padding: 9px 8px; font-size: 9.5px; letter-spacing: 0.5px; }
}