* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #f5f5f5;
}

/* APPBAR */

.appbar {
  position: sticky;
  top: 0;
  background: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  z-index: 10;
}

.top-bar {
  padding: 15px;
  text-align: center;
  position: relative;
}

.top-bar h1 {
  font-size: 20px;
  font-weight: bold;
}

/* SEARCH */

.search-container {
  position: absolute;
  right: 15px;
  top: 15px;
  display: flex;
  align-items: center;
}

.search-icon,
.close-icon {
  cursor: pointer;
  font-size: 18px;
}

#searchInput {
  display: none;
  margin-left: 8px;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid #ccc;
  width: 180px;
}

/* CATEGORIAS */

.categories {
  display: flex;
  justify-content: center;   /* CENTRALIZA */
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  padding: 0 16px;
  scroll-behavior: smooth;
}

.categories::-webkit-scrollbar {
  display: none; /* esconde scrollbar no mobile */
}

.category-btn {
  flex: 0 0 auto; /* impede quebrar linha */
  padding: 12px 16px;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  font-weight: bold;
}

.category-section {
  margin-bottom: 24px;
}

.category-title {
  font-size: 18px;
  font-weight: 800;
  margin: 16px 0 8px 0;
}

.category-btn.active {
  border-bottom: 3px solid black;
}

/* PRODUTOS */

.product-list {
  padding: 8px 16px;
}

.product-card {
  background: white;
  margin: 4px 0;
  border-radius: 4px;
  height: 100px;
  padding: 8px;
  display: flex;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  cursor: pointer;
}

.product-image {
  width: 100px;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.product-info {
  flex: 1;
  margin-left: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}

.product-name {
  font-size: 16px;
  font-weight: 800;
}

.product-from {
  font-size: 12px;
  color: #bbb;
}

.product-price {
  font-size: 15px;
  font-weight: 800;
  color: #333;
}

.product-stock {
  font-size: 10px;
  color: red;
}

/* ===== PRODUCT PAGE MODERNA ===== */

.product-wrapper {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  background: white;
  min-height: 100vh;
}

@media (max-width: 600px) {
  .product-wrapper {
    max-width: 100%;
  }
}

/* HERO */

.product-hero {
  width: 100%;
  background: #eee;
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
}

/* BODY */

.product-body {
  padding: 16px;
}

.back-link {
  display: inline-block;
  margin-bottom: 12px;
  text-decoration: none;
  color: #444;
  font-size: 14px;
}

.product-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 4px;
}

.product-category {
  font-size: 14px;
  color: #777;
  margin-bottom: 12px;
}

.product-from-label {
  font-size: 13px;
  color: #777;
}

.product-price-main {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}

.product-description-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.product-description {
  font-size: 14px;
  color: #444;
  margin-bottom: 24px;
}

/* ===== SIZE GROUP ===== */

.size-group {
  margin-bottom: 20px;
}

.size-group-header {
  background: #f2f2f2;
  padding: 10px;
  font-weight: 600;
  font-size: 15px;
}

/* SIZE CARD */

.size-card {
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}

.size-left {
  width: 60px;
  height: 60px;
  margin-right: 12px;
}

.size-image {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
}

.size-image-placeholder {
  width: 60px;
  height: 60px;
  background: #ddd;
  border-radius: 8px;
}

.size-center {
  flex: 1;
}

.size-name {
  font-weight: 500;
  font-size: 15px;
}

.size-right {
  font-weight: bold;
  font-size: 14px;
}