/* ============================================================
   INFOSTUDIO ADESIVI – Configuratore Sticker
   Palette: Blu notte #1B2A4A | Arancio #F97316 | Bianco puro
   ============================================================ */

:root {
  --isa-bg:          #F5F6F8;
  --isa-card:        #FFFFFF;
  --isa-navy:        #1B2A4A;
  --isa-navy-soft:   #2C3F62;
  --isa-orange:      #F97316;
  --isa-orange-dark: #D9610E;
  --isa-green:       #22C55E;
  --isa-text:        #1C1C1E;
  --isa-muted:       #6B7280;
  --isa-border:      #E5E7EB;
  --isa-radius:      12px;
  --isa-shadow:      0 2px 12px rgba(0,0,0,.08);
  --isa-shadow-lg:   0 8px 32px rgba(0,0,0,.12);
  --isa-transition:  .18s ease;
}

/* ---- WRAP ---- */
.isa-wrap {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--isa-text);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 0 40px;
}

/* ---- HEADER ---- */
.isa-header {
  background: linear-gradient(135deg, var(--isa-navy) 0%, var(--isa-navy-soft) 100%);
  border-radius: var(--isa-radius) var(--isa-radius) 0 0;
  padding: 36px 40px 32px;
  text-align: center;
  position: relative;
}
.isa-header-badge {
  display: inline-block;
  background: var(--isa-orange);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.isa-title {
  color: #fff;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  margin: 0 0 8px;
}
.isa-subtitle {
  color: rgba(255,255,255,.72);
  font-size: 15px;
  margin: 0;
}

/* ---- LAYOUT ---- */
.isa-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
  align-items: start;
  padding: 24px 0 0;
}
@media (max-width: 820px) {
  .isa-layout { grid-template-columns: 1fr; }
  .isa-quote-col { order: -1; }
}

/* ---- FIELDSET ---- */
.isa-fieldset {
  background: var(--isa-card);
  border: 1px solid var(--isa-border);
  border-radius: var(--isa-radius);
  padding: 20px 22px 22px;
  margin: 0 0 16px;
  box-shadow: var(--isa-shadow);
}
.isa-legend {
  font-weight: 700;
  font-size: 14px;
  color: var(--isa-navy);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  float: none;
  width: 100%;
  margin-bottom: 16px;
  letter-spacing: .01em;
}
.isa-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--isa-orange);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- TIPO GRID ---- */
.isa-tipo-grid {
  display: grid;
  /* auto-fit: si adatta a qualunque numero di materiali definiti da backend */
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.isa-tipo-card {
  border: 2px solid var(--isa-border);
  border-radius: 10px;
  padding: 14px 12px;
  cursor: pointer;
  transition: border-color var(--isa-transition), background var(--isa-transition), transform var(--isa-transition);
  user-select: none;
  display: block;
}
.isa-tipo-card input[type=radio] { display: none; }
.isa-tipo-card:hover {
  border-color: var(--isa-orange);
  background: #FFF7F0;
  transform: translateY(-1px);
}
.isa-tipo-card.selected {
  border-color: var(--isa-orange);
  background: #FFF4EC;
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}
.isa-tipo-icon { font-size: 22px; margin-bottom: 6px; }
.isa-tipo-name { font-weight: 700; font-size: 13px; color: var(--isa-navy); }
.isa-tipo-desc { font-size: 11.5px; color: var(--isa-muted); margin-top: 2px; }

/* ---- DIMENSIONI ---- */
.isa-dims-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}
.isa-dim-field { display: flex; flex-direction: column; gap: 5px; }
.isa-dim-field label { font-size: 12px; color: var(--isa-muted); font-weight: 600; }
.isa-dim-input-wrap { position: relative; }
.isa-dim-input-wrap .isa-input { width: 90px; padding-right: 36px; }
.isa-dim-unit {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font-size: 12px; color: var(--isa-muted); pointer-events: none;
}
.isa-dim-separator {
  font-size: 22px; color: var(--isa-muted); padding-bottom: 6px;
  align-self: flex-end; margin-bottom: 6px;
}
.isa-dim-preview-wrap { margin-left: auto; }
.isa-dim-preview {
  width: 80px; height: 60px;
  background: var(--isa-bg);
  border: 1px dashed var(--isa-border);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.isa-dim-rect {
  background: rgba(249,115,22,.25);
  border: 2px solid var(--isa-orange);
  border-radius: 2px;
  transition: width .2s, height .2s;
}
.isa-quick-sizes {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  margin-top: 14px;
}
.isa-quick-label { font-size: 11px; color: var(--isa-muted); font-weight: 600; }
.isa-quick-btn {
  background: var(--isa-bg); border: 1px solid var(--isa-border);
  border-radius: 6px; padding: 4px 9px; font-size: 12px;
  cursor: pointer; color: var(--isa-navy); font-weight: 600;
  transition: background var(--isa-transition), border-color var(--isa-transition);
}
.isa-quick-btn:hover { background: #FFF4EC; border-color: var(--isa-orange); }
.isa-size-row { margin-top: 0; }
.isa-size-btn { padding: 10px 16px; font-size: 14px; border-width: 2px; border-radius: 10px; }
.isa-size-btn small { color: var(--isa-muted); font-weight: 500; font-size: 11px; }
.isa-size-btn.active { border-color: var(--isa-orange); background: #FFF4EC; }
.isa-size-custom { border-style: dashed; font-weight: 500; }
.isa-custom-box { margin-top: 14px; padding: 14px; background: var(--isa-bg); border-radius: 10px; }
.isa-forma-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 12px; font-size: 13px; }
.isa-forma-opt { display: flex; align-items: center; gap: 6px; cursor: pointer; font-weight: 600; color: var(--isa-navy); }
.isa-dim-rect.isa-round { border-radius: 50%; }

/* ---- FINITURA ---- */
.isa-finitura-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.isa-finitura-card {
  border: 2px solid var(--isa-border);
  border-radius: 10px;
  padding: 14px 10px;
  cursor: pointer;
  text-align: center;
  transition: border-color var(--isa-transition), background var(--isa-transition);
  display: block;
  user-select: none;
}
.isa-finitura-card input[type=radio] { display: none; }
.isa-finitura-card:hover { border-color: var(--isa-orange); background: #FFF7F0; }
.isa-finitura-card.selected, .isa-finitura-selected {
  border-color: var(--isa-orange);
  background: #FFF4EC;
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}
.isa-fin-icon { font-size: 20px; margin-bottom: 6px; }
.isa-fin-name { font-size: 12.5px; font-weight: 700; color: var(--isa-navy); }
.isa-fin-note { font-size: 11px; color: var(--isa-muted); margin-top: 2px; }
.isa-fin-extra {
  margin-top: 6px; font-size: 12px; font-weight: 700;
  color: var(--isa-muted);
}
.isa-fin-extra:not(:empty) { color: var(--isa-orange-dark); }

/* ---- INPUT GENERICO ---- */
.isa-input {
  border: 1.5px solid var(--isa-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--isa-text);
  background: #fff;
  transition: border-color var(--isa-transition);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.isa-input:focus { border-color: var(--isa-orange); box-shadow: 0 0 0 3px rgba(249,115,22,.12); }

/* ---- QUANTITÀ ---- */
.isa-qty-wrap { display: flex; flex-direction: column; gap: 12px; }
.isa-qty-stepper {
  display: flex; align-items: center; gap: 8px; max-width: 200px;
}
.isa-qty-btn {
  width: 38px; height: 38px; border: 1.5px solid var(--isa-border);
  border-radius: 8px; background: var(--isa-bg); font-size: 20px;
  cursor: pointer; color: var(--isa-navy); font-weight: 700;
  transition: background var(--isa-transition), border-color var(--isa-transition);
  display: flex; align-items: center; justify-content: center;
}
.isa-qty-btn:hover { background: #FFF4EC; border-color: var(--isa-orange); }
.isa-qty-input {
  text-align: center; font-size: 18px; font-weight: 700;
  max-width: 90px; width: 90px !important;
}
.isa-qty-shortcuts {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.isa-qty-short {
  background: var(--isa-bg); border: 1px solid var(--isa-border);
  border-radius: 6px; padding: 5px 12px; font-size: 13px;
  cursor: pointer; color: var(--isa-navy); font-weight: 600;
  transition: background var(--isa-transition), border-color var(--isa-transition);
}
.isa-qty-short:hover, .isa-qty-short.active {
  background: var(--isa-orange); color: #fff; border-color: var(--isa-orange);
}
.isa-sconto-msg {
  background: #F0FDF4; border: 1px solid #BBF7D0; border-radius: 8px;
  padding: 10px 14px; font-size: 13px; color: #166534;
}

/* ---- DROPZONE ---- */
.isa-dropzone {
  border: 2px dashed var(--isa-border);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--isa-transition), background var(--isa-transition);
  background: var(--isa-bg);
}
.isa-dropzone:hover, .isa-dropzone.dragover {
  border-color: var(--isa-orange);
  background: #FFF4EC;
}
.isa-dz-icon { font-size: 30px; margin-bottom: 8px; }
.isa-dz-text { font-size: 14px; color: var(--isa-navy); }
.isa-dz-link { color: var(--isa-orange); text-decoration: underline; cursor: pointer; }
.isa-dz-hint { font-size: 12px; color: var(--isa-muted); margin-top: 5px; }

.isa-file-status {
  margin-top: 12px; padding: 10px 14px;
  border-radius: 8px; font-size: 13px;
}
.isa-file-status.success {
  background: #F0FDF4; border: 1px solid #BBF7D0; color: #15803D;
}
.isa-file-status.error {
  background: #FFF1F2; border: 1px solid #FECACA; color: #B91C1C;
}
.isa-file-notes { margin-top: 12px; }
.isa-file-notes summary {
  cursor: pointer; font-size: 12px; color: var(--isa-muted); font-weight: 600;
}
.isa-file-notes ul {
  font-size: 12px; color: var(--isa-muted); margin: 8px 0 0 16px; padding: 0;
}
.isa-file-notes li { margin-bottom: 4px; }

/* ---- QUOTE CARD ---- */
.isa-quote-card {
  background: var(--isa-card);
  border: 1px solid var(--isa-border);
  border-radius: var(--isa-radius);
  box-shadow: var(--isa-shadow-lg);
  position: sticky;
  top: 24px;
  overflow: hidden;
}
.isa-quote-header {
  background: var(--isa-navy);
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.isa-quote-title { color: #fff; font-weight: 700; font-size: 15px; }
.isa-quote-badge {
  background: rgba(255,255,255,.15); color: #fff;
  font-size: 11px; padding: 3px 10px; border-radius: 20px;
}
.isa-quote-badge.ready { background: var(--isa-green); }

.isa-config-summary {
  padding: 14px 20px;
  border-bottom: 1px solid var(--isa-border);
}
.isa-cs-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; padding: 3px 0;
}
.isa-cs-row span { color: var(--isa-muted); }
.isa-cs-row strong { color: var(--isa-navy); }

.isa-price-breakdown {
  padding: 14px 20px;
  border-bottom: 1px solid var(--isa-border);
}
.isa-pb-row {
  display: flex; justify-content: space-between;
  font-size: 13px; padding: 4px 0;
}
.isa-pb-row span:first-child { color: var(--isa-muted); }
.isa-pb-row span:last-child { font-weight: 600; }
.isa-pb-iva span:first-child { color: var(--isa-muted); font-style: italic; }

.isa-price-total {
  padding: 16px 20px 8px;
  text-align: center;
}
.isa-pt-label { font-size: 12px; color: var(--isa-muted); text-transform: uppercase; letter-spacing: .06em; }
.isa-pt-amount {
  font-size: 36px; font-weight: 800; color: var(--isa-orange);
  line-height: 1.1; margin-top: 2px;
}

.isa-unit-price {
  text-align: center; font-size: 12.5px; color: var(--isa-muted);
  padding-bottom: 14px;
}
.isa-unit-price strong { color: var(--isa-navy); }

.isa-loading {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 20px; font-size: 13px; color: var(--isa-muted);
}
.isa-spinner {
  width: 18px; height: 18px;
  border: 2.5px solid var(--isa-border);
  border-top-color: var(--isa-orange);
  border-radius: 50%;
  animation: isa-spin .6s linear infinite;
}
@keyframes isa-spin { to { transform: rotate(360deg); } }

/* ---- CTA ---- */
.isa-cta-wrap {
  padding: 4px 20px 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.isa-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 16px; border: none; border-radius: 10px;
  font-size: 14px; font-weight: 700; cursor: pointer;
  transition: transform var(--isa-transition), box-shadow var(--isa-transition);
  text-decoration: none;
}
.isa-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,.15); }
.isa-btn:active { transform: none; }
.isa-btn-cart { background: var(--isa-orange); color: #fff; font-size: 16px; }
.isa-btn-cart:hover { background: var(--isa-orange-dark); }
.isa-btn-cart[disabled] { opacity: .6; cursor: wait; }
.isa-btn-wa { background: #25D366; color: #fff; }
.isa-btn-email { background: var(--isa-navy); color: #fff; }

.isa-quote-note {
  padding: 10px 20px 16px;
  font-size: 11px; color: var(--isa-muted);
  text-align: center; border-top: 1px solid var(--isa-border);
  line-height: 1.5;
}

/* ---- MOBILE ---- */
@media (max-width: 540px) {
  .isa-tipo-grid { grid-template-columns: 1fr 1fr; }
  .isa-finitura-row { grid-template-columns: 1fr; }
  .isa-header { padding: 24px 20px; }
  .isa-fieldset { padding: 16px; }
  .isa-dims-row { flex-wrap: wrap; }
  .isa-dim-preview-wrap { display: none; }
}

/* ---- note + messaggio carrello ---- */
.isa-nota-wrap { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.isa-nota-wrap label { font-size: 12px; color: var(--isa-muted); font-weight: 600; }
.isa-nota { width: 100%; resize: vertical; font-family: inherit; }
.isa-cart-msg { margin-top: 10px; font-size: 13px; text-align: center; color: var(--isa-navy); }
.isa-cart-msg.ok { color: #166534; background: #F0FDF4; border: 1px solid #BBF7D0; border-radius: 8px; padding: 10px; }
.isa-cart-msg.err { color: #991B1B; background: #FEF2F2; border: 1px solid #FECACA; border-radius: 8px; padding: 10px; }
.isa-cart-msg a { font-weight: 700; color: inherit; }