/* ============================================
   PROTOTEK 3D - TEMA FUTURISTA COMPLETO
   Cores: Cyan #00d4ff, Branco #fff, Cinza #2c3e50
   ============================================ */

:root {
  --primary: #00d4ff;
  --secondary: #ffffff;
  --tertiary: #2c3e50;
  --dark: #1a252f;
  --darker: #0f1823;
  --accent: #ecf0f1;
}

/* ========== RESET ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  background: var(--dark);
  color: #ccc;
  font-family: 'Open Sans', sans-serif;
}

/* ========== HEADER ========== */
header {
  background: linear-gradient(135deg, var(--tertiary) 0%, var(--dark) 100%);
  border-bottom: 3px solid var(--primary);
  padding: 20px 0;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
}

#logo img {
  max-width: 180px;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
}

/* ========== NAVEGAÇÃO TOP ========== */
#top {
  background: var(--darker);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
  padding: 10px 0;
}

#top a {
  color: var(--accent);
}

#top a:hover {
  color: var(--primary);
}

/* ========== MENU ========== */
.navbar {
  background: linear-gradient(135deg, var(--tertiary) 0%, var(--dark) 100%);
  border: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar-nav > li > a {
  color: var(--secondary) !important;
  font-weight: 500;
  padding: 15px 20px !important;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
}

.navbar-nav > li > a:hover {
  background: rgba(0, 212, 255, 0.1);
  border-bottom-color: var(--primary);
  color: var(--primary) !important;
}

.navbar-nav > li.active > a {
  background: rgba(0, 212, 255, 0.15);
  border-bottom-color: var(--primary);
  color: var(--primary) !important;
}

/* ========== BUSCA ========== */
#search .input-group {
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 5px;
  overflow: hidden;
  transition: all 0.3s ease;
}

#search .input-group:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

#search input {
  background: rgba(255, 255, 255, 0.05);
  border: none;
  color: #ccc;
  padding: 10px 15px;
}

#search input::placeholder {
  color: #999;
}

#search button {
  background: var(--primary);
  border: none;
  color: var(--tertiary);
  padding: 10px 20px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

#search button:hover {
  background: #00a8cc;
  transform: scale(1.05);
}

/* ========== CARRINHO ========== */
#header-cart {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 5px;
  padding: 15px;
}

#header-cart button {
  background: linear-gradient(135deg, var(--primary) 0%, #00a8cc 100%);
  border: none;
  color: var(--tertiary) !important;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
  transition: all 0.3s ease;
  padding: 10px 20px;
  border-radius: 4px;
}

#header-cart button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.3);
}

/* ========== CATEGORIAS SIDEBAR ========== */
.list-group-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 212, 255, 0.15);
  color: #ccc;
  transition: all 0.3s ease;
}

.list-group-item:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--primary);
  transform: translateX(5px);
}

.list-group-item a {
  color: #ccc;
  font-weight: 500;
}

.list-group-item a:hover {
  color: var(--primary);
}

/* ========== CARDS DE PRODUTOS ========== */
.product-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-item:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2);
  transform: translateY(-5px);
  background: rgba(0, 212, 255, 0.03);
}

.product-thumb {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(255, 255, 255, 0.02));
  min-height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-item:hover .product-thumb img {
  transform: scale(1.1);
}

.product-caption {
  padding: 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-caption h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
  min-height: 40px;
}

.product-caption p {
  font-size: 12px;
  color: #999;
  margin-bottom: 10px;
  flex-grow: 1;
}

.price-new {
  color: var(--primary);
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 10px;
}

.price-old {
  color: #666;
  text-decoration: line-through;
  font-size: 14px;
  margin-right: 10px;
}

.product-bottom {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

/* ========== BOTÕES ========== */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #00a8cc 100%);
  border: none !important;
  color: var(--tertiary) !important;
  font-weight: bold;
  padding: 8px 15px;
  font-size: 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
  flex: 1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

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

.btn-default {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3) !important;
  color: var(--primary) !important;
  padding: 8px 15px;
  font-size: 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
  flex: 1;
}

.btn-default:hover {
  background: var(--primary);
  border-color: var(--primary) !important;
  color: var(--tertiary) !important;
}

.btn {
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

/* ========== FOOTER ========== */
footer {
  background: linear-gradient(135deg, var(--tertiary) 0%, var(--dark) 100%);
  border-top: 3px solid var(--primary);
  color: var(--secondary);
  margin-top: 50px;
  padding: 40px 0 20px;
}

footer h5 {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  margin-bottom: 20px;
  border-bottom: 2px solid rgba(0, 212, 255, 0.2);
  padding-bottom: 10px;
}

footer a {
  color: var(--accent);
  transition: all 0.3s ease;
  display: block;
  padding: 5px 0;
}

footer a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  margin-top: 20px;
  padding-top: 20px;
  text-align: center;
  color: var(--accent);
  font-size: 12px;
}

/* ========== FORMULÁRIOS ========== */
.form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2) !important;
  color: #ccc;
  padding: 10px 15px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary) !important;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
  color: #fff;
}

.form-control::placeholder {
  color: #666;
}

label {
  color: #ccc;
  font-weight: 500;
}

/* ========== ALERTAS ========== */
.alert-success {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
}

.alert-danger {
  background: rgba(220, 53, 69, 0.1);
  border: 1px solid #dc3545;
  color: #ff6b6b;
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid #ffc107;
  color: #ffc107;
}

.alert-info {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
}

/* ========== CARROSSEL ========== */
.carousel {
  background: rgba(0, 212, 255, 0.05);
  border-radius: 10px;
  padding: 20px;
  margin: 30px 0;
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.carousel-control-prev,
.carousel-control-next {
  background: var(--primary);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  opacity: 0.8;
  transition: all 0.3s ease;
  top: 50%;
  transform: translateY(-50%);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
  background: #00a8cc;
}

.carousel-indicators li {
  background: rgba(0, 212, 255, 0.3);
  border: 2px solid var(--primary);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.carousel-indicators li.active {
  background: var(--primary);
}

/* ========== ÍCONES ========== */
i {
  transition: all 0.3s ease;
}

a:hover i {
  color: var(--primary);
}

/* ========== RESPONSIVO ========== */
@media (max-width: 768px) {
  header {
    padding: 15px 0;
  }

  #logo img {
    max-width: 120px;
  }

  .navbar-nav > li > a {
    padding: 10px 15px !important;
    font-size: 14px;
  }

  .product-item {
    margin-bottom: 20px;
  }

  .carousel-control-prev,
  .carousel-control-next {
    width: 40px;
    height: 40px;
  }

  footer h5 {
    margin-top: 20px;
  }

  footer h5:first-child {
    margin-top: 0;
  }
}

@media (max-width: 480px) {
  header .container {
    flex-direction: column;
    gap: 15px;
  }

  #logo img {
    max-width: 100px;
  }

  .product-thumb {
    min-height: 200px;
  }

  .btn-primary,
  .btn-default {
    padding: 6px 10px;
    font-size: 11px;
  }
}

/* ========== UTILITÁRIOS ========== */
.text-primary {
  color: var(--primary) !important;
}

.text-secondary {
  color: var(--secondary) !important;
}

.bg-primary {
  background: var(--primary) !important;
}

.bg-secondary {
  background: var(--secondary) !important;
}

.border-primary {
  border-color: var(--primary) !important;
}

/* ========== FIM ========== */