/* ==========================================================================
   app.css — Estilos compartilhados do MotorDim Pro
   Consolida os blocos <style> que antes eram duplicados em cada página
   (hub de cards, formulários de dimensionamento/conversão, cartões de
   resultado, PDF, tabelas). Editar aqui reflete em todas as telas.
   ========================================================================== */

:root {
  --md-bg: #181818;
  --md-panel: #252525;
  --md-panel-elevated: #2c2c2c;
  --md-text: #e6e6e6;
  --md-text-muted: rgb(210, 210, 210);
  --md-accent: #50ff4f;
  --md-accent-2: #3498db;
  --md-accent-3: #2ecc71;
  --md-danger: #ff5252;
  --md-radius: 10px;
  --md-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
  --md-transition: 180ms ease-in-out;
}

/* Foco visível consistente para navegação por teclado (acessibilidade) */
a:focus-visible,
button:focus-visible,
.card-btn:focus-visible,
input:focus-visible,
select:focus-visible,
.form-control:focus,
.form-select:focus {
  outline: 3px solid var(--md-accent);
  outline-offset: 2px;
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--md-accent-2);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25);
}

/* --------------------------------------------------------------------
   Página inicial "hub" (índice, conversores, tabelas): grade de cards
   -------------------------------------------------------------------- */
.title-dime {
  color: var(--md-accent);
  font-weight: 800;
  font-size: 24px;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: 0.5px;
}

.page-heading {
  margin-top: 100px;
  margin-bottom: 50px;
}

.card-receber {
  margin-top: 50px;
  padding: 20px;
  height: 420px;
  color: var(--md-text-muted);
  border-color: transparent;
  background-color: var(--md-panel);
  margin-bottom: 30px;
  box-shadow: var(--md-shadow);
  transition: transform var(--md-transition), box-shadow var(--md-transition);
}

.card-btn {
  margin-top: 10px;
  text-transform: uppercase;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 120px;
  background: #111;
  cursor: pointer;
  border-radius: var(--md-radius);
  border: none;
  outline: none;
  color: #fff;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  transition: transform var(--md-transition), color var(--md-transition);
}

.card-btn:hover {
  color: #d9d9d9;
  transform: translateY(-2px);
}

.card-btn:active {
  color: #000;
  transform: translateY(0);
}

.card-btn:before {
  content: '';
  background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  position: absolute;
  top: -2px;
  left: -2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: md-glowing 20s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  border-radius: var(--md-radius);
}

.card-btn:hover:before {
  opacity: 1;
}

.card-btn:active:after {
  background: transparent;
}

@keyframes md-glowing {
  0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}

.card-btn .icone {
  font-size: 40px;
}

.card-btn img {
  max-height: 60px;
  width: auto;
  object-fit: contain;
}

.card-btn span {
  margin-top: 8px;
}

/* --------------------------------------------------------------------
   Páginas de dimensionamento/conversão: formulário + card de resultado
   -------------------------------------------------------------------- */
.card-dados {
  height: auto;
  color: var(--md-text-muted);
  border-color: transparent;
  background-color: var(--md-panel);
  margin-bottom: 30px;
  box-shadow: var(--md-shadow);
  transition: transform var(--md-transition), box-shadow var(--md-transition);
  padding-top: 14px;
  padding-bottom: 20px;
}

.card-resultado {
  height: auto;
  color: var(--md-text-muted);
  border-color: transparent;
  background-color: var(--md-panel);
  margin-bottom: 100px;
  box-shadow: var(--md-shadow);
  transition: transform var(--md-transition), box-shadow var(--md-transition);
  padding-top: 14px;
  padding-bottom: 20px;
  display: none;
}

.card-resultado.is-visible {
  display: block;
}

#title-result,
#result,
#print-btn {
  display: none;
}

#result.is-visible,
#title-result.is-visible,
#print-btn.is-visible {
  display: block;
}

#result-card #print-btn.is-visible {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

#loading {
  display: none;
  text-align: center;
}

#loading.is-visible {
  display: block;
}

#loading i {
  margin-top: 20px;
  font-size: 3em;
  color: var(--md-accent-2);
}

#result {
  font-size: 18px;
  line-height: 1.6;
}

#result p {
  margin-bottom: 5px;
}

#print-btn {
  margin-top: 15px;
}

.field-error {
  color: var(--md-danger);
  font-size: 13px;
  margin-top: 4px;
  display: none;
}

.is-invalid ~ .field-error,
.field-error.is-visible {
  display: block;
}

/* PDF (usado apenas como referência de estilo textual, o conteúdo real do
   PDF é desenhado via jsPDF em js/common.js) */
.pdf-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--md-accent-2);
  font-family: 'Montserrat', sans-serif;
}

.pdf-content {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--md-accent-3);
  font-family: 'Montserrat', sans-serif;
}

/* Tabela de itens adicionados (lâmpadas / tomadas) */
.table-itens {
  margin-top: 10px;
}

/* Impressão de tabelas técnicas */
@media print {
  body * {
    visibility: hidden;
  }

  .content,
  .content * {
    visibility: visible;
  }

  .content {
    position: absolute;
    left: 0;
    top: 0;
  }
}

@media (max-width: 768px) {
  .title-dime {
    color: var(--md-accent);
    font-size: 20px;
  }

  h4 {
    font-size: 15px;
  }

  .card-btn .icone {
    font-size: 35px;
  }

  .card-btn span {
    font-size: 11px;
  }

  .page-heading {
    margin-top: 90px;
    margin-bottom: 30px;
  }
}