/* ========================================
   VARIÁVEIS E RESET
   ======================================== */
:root {
  --amarelo: #FFD600;
  --amarelo-hover: #e6c000;
  --amarelo-claro: #fff9d6;
  --preto: #1A1A1A;
  --preto-medio: #2d2d2d;
  --cinza-medio: #555;
  --cinza-claro: #f5f5f5;
  --verde-wa: #25D366;
  --verde-wa-hover: #1ebe5d;
  --sombra: 0 4px 16px rgba(0,0,0,0.12);
  --sombra-hover: 0 8px 32px rgba(0,0,0,0.22);
  --radius: 10px;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #f5f5f5;
  color: #1a1a1a;
}

/* ========================================
   TOPBAR DE FILTROS
   ======================================== */
.filter-topbar-wrapper {
  background: var(--preto);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  border-top: 2px solid var(--amarelo);
}

.filter-topbar {
  display: flex;
  flex-wrap: wrap;
}

.filter-group {
  flex: 1 1 200px;
  position: relative;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.filter-group:last-child {
  border-right: none;
}

.filter-group-btn {
  width: 100%;
  background: transparent;
  border: none;
  color: #ccc;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.filter-group-btn:hover,
.filter-group.active .filter-group-btn {
  background: rgba(255, 214, 0, 0.12);
  color: var(--amarelo);
}

.filter-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 300px;
  background: #fff;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--sombra-hover);
  padding: 16px;
  z-index: 200;
  max-height: 380px;
  overflow-y: auto;
  animation: slideDown 0.18s ease;
  border-top: 2px solid var(--amarelo);
}

.filter-panel.open {
  display: block;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: #f0f0f0;
  border: 1px solid #ddd;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.chip:hover {
  background: #fff9d6;
  border-color: var(--amarelo);
  color: var(--preto);
}

.chip.chip-active,
.chip:focus {
  background: var(--amarelo);
  border-color: var(--amarelo);
  color: var(--preto);
  font-weight: 700;
  outline: none;
}

/* ========================================
   SECTION TITLES
   ======================================== */
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--preto);
}

.section-title .bi {
  color: var(--amarelo);
}

/* ========================================
   CARROSSEL DE PAINEL
   ======================================== */
.painel-section {
  width: 100%;
  overflow: hidden;
}

.painel-section {
  width: 100%;
  background: #1a1a1a;
}

.painel-img {
  width: 100%;
  max-width: 1200px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ========================================
   CARDS DE MÁQUINA
   ======================================== */
.maquina-card {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  transition: transform 0.2s, box-shadow 0.2s;
  overflow: hidden;
  height: 100%;
}

.maquina-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-hover);
}

.maquina-card .card-img-wrapper {
  display: block;
  position: relative;
  overflow: hidden;
  height: 200px;
  background: #eee;
  text-decoration: none;
  cursor: pointer;
}

.maquina-card .card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.maquina-card:hover .card-img-wrapper img {
  transform: scale(1.04);
}

.maquina-card .card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f0f0;
  color: #ccc;
  font-size: 3rem;
}

.maquina-card .tipo-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--amarelo);
  color: var(--preto);
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 700;
}

.maquina-card .card-body {
  padding: 14px;
}

.maquina-card .card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.3;
}

.maquina-card .card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.spec-tag {
  background: #f0f0f0;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.76rem;
  color: #555;
}

.maquina-card .preco-card {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--preto);
  margin-bottom: 10px;
}

.maquina-card .card-actions {
  display: flex;
  gap: 8px;
}

/* ========================================
   BOTÃO PRIMÁRIO (AMARELO)
   ======================================== */
.btn-primary,
.btn-vendamaq {
  background: var(--amarelo);
  border-color: var(--amarelo);
  color: var(--preto);
  font-weight: 700;
  transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover,
.btn-vendamaq:hover {
  background: var(--amarelo-hover);
  border-color: var(--amarelo-hover);
  color: var(--preto);
  transform: translateY(-1px);
}

.btn-primary:active,
.btn-vendamaq:active {
  transform: translateY(0);
}

/* ========================================
   BOTÃO WHATSAPP
   ======================================== */
.whatsapp-btn {
  background: var(--verde-wa);
  color: #fff;
  border: none;
  font-weight: 600;
  transition: background 0.2s, transform 0.1s;
}

.whatsapp-btn:hover {
  background: var(--verde-wa-hover);
  color: #fff;
  transform: translateY(-1px);
}

.whatsapp-btn:active {
  transform: translateY(0);
}

/* ========================================
   PÁGINA DE DETALHE
   ======================================== */
.detail-main-photo {
  border: 2px solid #eee;
}

.detail-placeholder {
  height: 380px;
  background: #f0f0f0;
  border-radius: var(--radius);
}

.thumb-img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.15s, transform 0.15s;
}

.thumb-img:hover {
  border-color: var(--amarelo);
  transform: scale(1.05);
}

.thumb-img.thumb-active {
  border-color: var(--amarelo);
  box-shadow: 0 0 0 2px rgba(255,214,0,0.4);
}

.preco-box {
  background: linear-gradient(135deg, var(--amarelo-claro) 0%, #fff 100%);
  border: 2px solid var(--amarelo);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.preco-label {
  font-size: 0.8rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.preco-destaque {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--preto);
}

/* ========================================
   SEÇÃO DE FILTRO
   ======================================== */
#filtros {
  border-top: 3px solid var(--amarelo);
  background: #fff;
}

/* ========================================
   HERO BANNER
   ======================================== */
.hero-banner {
  background: linear-gradient(135deg, var(--preto) 60%, var(--preto-medio) 100%);
  color: #fff;
  padding: 48px 0 36px;
  border-bottom: 3px solid var(--amarelo);
}

.hero-banner h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
}

.hero-banner .hero-sub {
  color: #bbb;
  font-size: 1rem;
  margin-top: 8px;
}

.hero-badge {
  display: inline-block;
  background: var(--amarelo);
  color: var(--preto);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */
@media (max-width: 768px) {
  .filter-topbar-wrapper {
    top: 60px;
  }

  .filter-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    min-width: 100%;
    border-radius: var(--radius) var(--radius) 0 0;
    max-height: 60vh;
  }

  .preco-destaque {
    font-size: 1.4rem;
  }

  .hero-banner h1 {
    font-size: 1.4rem;
  }
}

@media (max-width: 576px) {
  .filter-group {
    flex: 1 1 100%;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
}