/* ══════════════════════════════════════════════════════════════
   VALPRO SPAIN — valpro_calculadora.css  v7.0
   Añadir en <head> después de main.css
   ══════════════════════════════════════════════════════════════ */


/* ════════════════════════════════
   Elementos compartidos
   ════════════════════════════════ */

.vp-section-label {
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  opacity: .8;
  margin-bottom: .3rem;
}

.vp-section-desc {
  color: #aaa;
  font-size: .9rem;
  margin-bottom: 2rem;
  font-family: 'Montserrat', sans-serif;
  max-width: 640px;
}

.vp-panel {
  border: 1px solid var(--gold-soft);
  border-radius: 18px;
  background: linear-gradient(180deg, #111, #0b0b0b);
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
  padding: 2rem;
}

.vp-label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: .78rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .4rem;
}

.vp-input,
.vp-select {
  width: 100%;
  background: #0a0a0a;
  border: 1px solid var(--gold-soft);
  border-radius: 10px;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  padding: .65rem 1rem;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  -webkit-appearance: none;
  box-sizing: border-box;
}
.vp-input:focus,
.vp-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px var(--gold-glow);
}
.vp-select option { background: #111; }

.vp-form-field { margin-bottom: 1rem; }

.vp-submit {
  width: 100%;
  display: block;
  padding: .8rem 1.5rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), #f6e08a);
  color: #000;
  font-weight: 800;
  font-family: 'Cinzel', serif;
  font-size: .85rem;
  border: none;
  cursor: pointer;
  transition: transform .3s, box-shadow .3s;
  letter-spacing: .5px;
  margin-top: .5rem;
  box-sizing: border-box;
}
.vp-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--gold-glow);
}
.vp-submit:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

/* Anti-spam honeypot */
#vpHoneypot {
  position: absolute; left: -9999px; top: -9999px;
  width: 1px; height: 1px; opacity: 0; pointer-events: none;
}

/* Error y remaining */
.vp-error-msg {
  display: none;
  margin-top: .8rem;
  background: rgba(220,60,60,.1);
  border: 1px solid rgba(220,60,60,.4);
  border-radius: 8px;
  padding: .75rem 1rem;
  color: #f87171;
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  line-height: 1.5;
}
.vp-remaining-hint {
  display: none;
  margin-top: .6rem;
  padding: .6rem .9rem;
  background: rgba(212,175,55,.06);
  border: 1px solid var(--gold-soft);
  border-radius: 8px;
  color: #aaa;
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
}


/* ════════════════════════════════
   Calculadora de superficies
   ════════════════════════════════ */

.calc-grid-vp {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.calc-result-vp {
  grid-column: 1 / -1;
  border: 1px solid var(--gold);
  border-radius: 14px;
  background: rgba(212,175,55,.06);
  padding: 1.5rem 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}
.calc-result-vp .res-label {
  font-size: .72rem; color: #888;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: .2rem;
}
.calc-result-vp .res-main {
  font-family: 'Cinzel', serif;
  font-size: 2.2rem; color: var(--gold);
  font-weight: 700; letter-spacing: 1px; line-height: 1.1;
}
.calc-result-vp .res-cost {
  font-size: 1.1rem; color: #fff;
  font-family: 'Montserrat', sans-serif; font-weight: 700;
}

.calc-mini-cards {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: .8rem;
  grid-column: 1 / -1;
}
.calc-mini-card {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--gold-soft);
  border-radius: 10px; padding: .8rem;
  text-align: center; font-family: 'Montserrat', sans-serif;
}
.calc-mini-card strong { display:block; font-size:1.1rem; color:var(--gold); font-weight:800; }
.calc-mini-card span  { font-size:.72rem; color:#777; text-transform:uppercase; letter-spacing:.08em; }

.calc-tip {
  grid-column: 1 / -1;
  background: rgba(212,175,55,.05);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: .8rem 1rem;
  font-size: .82rem; color: #aaa;
  font-family: 'Montserrat', sans-serif; margin: 0;
}
.calc-tip strong { color: var(--gold); }

.calc-cta {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: .5rem;
}


/* ════════════════════════════════
   Boceto — grid principal
   ════════════════════════════════ */

.boceto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

/* ── Zona de subida de foto ── */
.upload-zone-vp {
  border: 2px dashed var(--gold-soft);
  border-radius: 14px;
  background: rgba(212,175,55,.03);
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: default;
  transition: border-color .25s, background .25s;
  position: relative;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  box-sizing: border-box;
}
.upload-zone-vp.drag-over {
  border-color: var(--gold);
  background: rgba(212,175,55,.07);
}
.upload-zone-vp .up-icon  { font-size: 2.2rem; }
.upload-zone-vp h3 {
  color: var(--gold); font-family: 'Cinzel', serif;
  font-size: .9rem; margin: 0;
}

#vpPreviewImg {
  display: none; width: 100%;
  border-radius: 10px; max-height: 200px;
  object-fit: cover; border: 1px solid var(--gold-soft);
}
#vpPreviewLabel {
  display: none; font-size: .8rem;
  color: var(--gold); font-family: 'Montserrat', sans-serif;
  margin-top: .3rem;
}

.vp-upload-btns {
  display: flex; gap: .5rem;
  justify-content: center; flex-wrap: wrap;
  margin-top: .4rem;
}
.vp-upload-opt {
  font-size: .78rem !important;
  padding: .4rem .9rem !important;
  white-space: nowrap;
}

/* ── Selector de superficie ── */
.vp-surface-selector {
  margin-top: 1rem;
  padding: .9rem 1rem;
  border: 1px solid var(--gold-soft);
  border-radius: 12px;
  background: rgba(212,175,55,.03);
}

.vp-surface-btns {
  display: flex; gap: .5rem; flex-wrap: wrap;
}

.vp-surface-btn {
  flex: 1;
  min-width: 80px;
  cursor: pointer;
}
.vp-surface-btn input[type="radio"] { display: none; }
.vp-surface-btn span {
  display: block;
  text-align: center;
  padding: .55rem .5rem;
  border: 1px solid var(--gold-soft);
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  color: #aaa;
  transition: all .2s;
  cursor: pointer;
}
.vp-surface-btn input:checked + span {
  border-color: var(--gold);
  background: rgba(212,175,55,.12);
  color: var(--gold);
  font-weight: 700;
}
.vp-surface-btn span:hover {
  border-color: var(--gold-soft);
  color: #ddd;
}


/* ── Grid de productos ── */
.vp-prod-selector {
  margin-top: .8rem;
}

.vp-type-tabs {
  display: flex; gap: .4rem;
  margin-bottom: .7rem;
  flex-wrap: wrap;
}
.vp-type-tab {
  background: transparent;
  border: 1px solid var(--gold-soft);
  border-radius: 20px;
  color: #888;
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  font-weight: 600;
  padding: .3rem .9rem;
  cursor: pointer;
  transition: all .2s;
}
.vp-type-tab.active,
.vp-type-tab:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #000;
}

.vp-prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
  max-height: 280px;
  overflow-y: auto;
  padding-right: .2rem;
}
/* Scrollbar dorado */
.vp-prod-grid::-webkit-scrollbar { width: 4px; }
.vp-prod-grid::-webkit-scrollbar-track { background: #111; }
.vp-prod-grid::-webkit-scrollbar-thumb { background: var(--gold-soft); border-radius: 4px; }

.vp-prod-card {
  border: 1px solid var(--gold-soft);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: all .2s;
  background: #0a0a0a;
}
.vp-prod-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(212,175,55,.2);
}
.vp-prod-card.selected {
  border-color: var(--gold);
  border-width: 2px;
  box-shadow: 0 0 0 2px var(--gold-glow);
}
.vp-prod-card.selected::after {
  content: '✓';
  position: absolute;
  top: 4px; right: 4px;
  background: var(--gold);
  color: #000;
  font-size: .65rem;
  font-weight: 900;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.vp-prod-card { position: relative; }
.vp-prod-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}
.vp-prod-name {
  font-size: .65rem;
  color: #ccc;
  font-family: 'Montserrat', sans-serif;
  padding: .25rem .3rem .1rem;
  margin: 0;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.vp-prod-price {
  font-size: .6rem;
  color: var(--gold);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  padding: 0 .3rem .25rem;
  margin: 0;
}


/* ── Resumen de selección ── */
.vp-selected-summary {
  margin-top: .8rem;
  padding: .7rem .9rem;
  background: rgba(212,175,55,.07);
  border: 1px solid var(--gold);
  border-radius: 10px;
}
.vp-sel-item {
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  color: #ccc;
  padding: .2rem 0;
}
.vp-sel-item:empty { display: none; }
.vp-sel-label { color: var(--gold); font-weight: 700; }
.vp-sel-item em { color: #888; font-style: normal; }

/* Perks del boceto */
.boceto-perks {
  margin-top: 1rem;
  padding: .9rem 1rem;
  border: 1px solid var(--gold-soft);
  border-radius: 10px;
  background: rgba(212,175,55,.04);
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  color: #aaa;
}
.boceto-perks strong { color: var(--gold); display: block; margin-bottom: .4rem; font-size: .85rem; }
.boceto-perks ul { padding: 0; margin: 0; list-style: none; }
.boceto-perks li { margin-bottom: .25rem; }
.boceto-perks li::before { content: '✦ '; color: var(--gold); }


/* ════════════════════════════════
   Loading overlay
   ════════════════════════════════ */

.vp-loading-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.82);
  z-index: 9999;
  align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.vp-loading-box {
  text-align: center;
  padding: 2.5rem 3rem;
  background: #111;
  border: 1px solid var(--gold);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
  max-width: 340px; width: 90%;
}
.vp-spinner {
  width: 52px; height: 52px;
  border: 4px solid var(--gold-soft);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: vpSpin .9s linear infinite;
  margin: 0 auto 1.2rem;
}
@keyframes vpSpin { to { transform: rotate(360deg); } }
.vp-loading-text {
  color: #ddd;
  font-family: 'Montserrat', sans-serif;
  font-size: .9rem; margin: 0 0 .3rem; font-weight: 600;
}
.vp-loading-sub {
  color: #555;
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem; margin: 0;
}


/* ════════════════════════════════
   Panel resultado del boceto
   ════════════════════════════════ */

.vp-boceto-result {
  display: none;
  margin-top: 2.5rem;
  border: 1px solid var(--gold);
  border-radius: 20px;
  background: #0a0a0a;
  overflow: hidden;
  box-shadow: 0 12px 48px rgba(212,175,55,.15);
}
.vp-boceto-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gold-soft);
  background: rgba(212,175,55,.04);
}
.vp-boceto-header h3 {
  font-family: 'Cinzel', serif;
  color: var(--gold); font-size: 1.1rem; margin: 0;
}
.vp-boceto-subtitle {
  color: #aaa; font-size: .82rem;
  margin: .3rem 0 0;
  font-family: 'Montserrat', sans-serif;
}
.vp-boceto-actions {
  display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; flex-shrink: 0;
}
.vp-boceto-actions .btn { font-size: .78rem; padding: .5rem 1rem; white-space: nowrap; }
.vp-boceto-html { padding: 1.5rem; overflow-x: auto; }
.vp-boceto-html > div { max-width: 100% !important; box-sizing: border-box !important; }


/* ════════════════════════════════
   Comparativa antes / después
   ════════════════════════════════ */

.vp-comparativa {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.vp-comp-label {
  font-size: .72rem; color: #888;
  margin: 0 0 .3rem; text-align: center;
  font-family: 'Montserrat', sans-serif;
}
.vp-comp-label--gold { color: var(--gold); }
.vp-comp-img {
  width: 100%; border-radius: 10px;
  border: 1px solid rgba(212,175,55,.3);
  display: block;
}
.vp-comp-img--gold { border: 2px solid var(--gold); }


/* ════════════════════════════════
   RESPONSIVE — Tablet ≤ 768px
   ════════════════════════════════ */

@media (max-width: 768px) {

  #calculadora, #boceto { padding: 2rem .75rem; }

  #calculadora .vp-panel,
  #boceto .vp-panel { padding: 1.25rem 1rem; }

  .calc-grid-vp { grid-template-columns: 1fr; gap: .9rem; }
  .calc-result-vp { flex-direction: column; align-items: flex-start; gap: .75rem; padding: 1rem; }
  .calc-result-vp .res-main { font-size: 1.8rem; }
  .calc-result-vp .res-cost { font-size: 1rem; }
  .calc-mini-cards { grid-template-columns: 1fr 1fr; gap: .6rem; }

  .boceto-grid { grid-template-columns: 1fr; gap: 1.25rem; }

  .upload-zone-vp { padding: 1.5rem 1rem; min-height: 140px; }
  .upload-zone-vp .up-icon { font-size: 1.8rem; }

  /* 16px evita zoom en iOS */
  .vp-input, .vp-select { font-size: 16px; padding: .6rem .75rem; }

  #calculadora h2, #boceto h2 { font-size: 1.3rem; }
  .calc-tip { font-size: .78rem; padding: .7rem .8rem; }
  .vp-submit { font-size: .8rem; padding: .7rem 1rem; }

  #calculadora .btn {
    font-size: .72rem; padding: .55rem .9rem;
    white-space: normal; text-align: center;
    width: 100%; display: block; box-sizing: border-box;
  }

  .vp-prod-grid { grid-template-columns: repeat(3,1fr); max-height: 220px; }

  .vp-boceto-header { padding: 1rem; }
  .vp-boceto-actions { width: 100%; }
  .vp-boceto-actions .btn { flex: 1; text-align: center; }
  .vp-boceto-html { padding: 1rem; }

  .vp-comparativa { gap: .6rem; }

  .vp-upload-btns { gap: .4rem; }
}


/* ════════════════════════════════
   RESPONSIVE — Móvil ≤ 480px
   ════════════════════════════════ */

@media (max-width: 480px) {
  .vp-prod-grid { grid-template-columns: repeat(2,1fr); }
  .vp-comparativa { grid-template-columns: 1fr; }
  .vp-surface-btns { flex-direction: row; }
}


/* ════════════════════════════════
   RESPONSIVE — Muy pequeño ≤ 360px
   ════════════════════════════════ */

@media (max-width: 360px) {
  #calculadora, #boceto { padding: 1.5rem .5rem; }
  #calculadora .vp-panel, #boceto .vp-panel { padding: 1rem .75rem; }
  .calc-mini-cards { grid-template-columns: 1fr; }
  .calc-result-vp .res-main { font-size: 1.5rem; }
  .vp-prod-grid { grid-template-columns: repeat(2,1fr); }
}
