body {
  font-family: var(--font-family, Arial, Helvetica, sans-serif);
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
  color: #333;
}

header {
  background-color: var(--primary-color, #222);
  color: #fff;
  padding: 0.75rem;
}

.logo-title {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  height: 48px;
}

.subtitle {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.8;
}

.menu-toggle {
  margin-top: 0.75rem;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
}

.main-nav {
  background: var(--menu-bg);
  margin-top: 0.75rem;
  display: none;
}

.main-nav.open {
  display: block;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
  padding: 0.5rem 0.75rem;
}

.main-nav a {
  color: var(--menu-text);
  text-decoration: none;
  padding: 0.3rem 0.7rem;
  border-radius: 3px;
  font-size: 0.9rem;
  display: inline-block;
}

.main-nav li.active a {
  background: var(--menu-active-bg);
  color: var(--menu-active-text);
}

main {
  padding: 0.75rem;
  max-width: 1000px;
  margin: 0 auto;
}

.hero {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.product-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.product-card,
.product-detail,
.thank-you,
.admin-block {
  background-color: #fff;
  padding: 1rem;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.product-thumb img,
.product-hero-image img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 6px;
}

.price {
  font-weight: bold;
  margin-top: 0.5rem;
}

.button {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--accent-color, #00b894);
  color: #fff;
  text-decoration: none;
  border-radius: var(--button-radius);
  border: none;
  cursor: pointer;
}

.button.danger {
  background: #be2f2f;
}

.checkout-form label,
.admin-block label {
  display: block;
  margin-bottom: 0.8rem;
}

.checkout-form input,
.checkout-form textarea,
.checkout-form select,
.admin-block input,
.admin-block textarea,
.admin-block select {
  width: 100%;
  padding: 0.45rem;
  margin-top: 0.3rem;
  box-sizing: border-box;
}

.admin-layout {
  display: grid;
  gap: 1rem;
}

.admin-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.admin-tabs a {
  text-decoration: none;
  background: #fff;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  color: #222;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.8rem;
}

.admin-table th,
.admin-table td {
  border: 1px solid #ddd;
  padding: 0.4rem;
  text-align: left;
}

.inline-form {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.admin-subform {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.admin-msg.success {
  color: #0f7a29;
}

.admin-msg.error {
  color: #8e1010;
}

.hash code,
code {
  word-break: break-all;
  font-size: 0.85rem;
}

@media (min-width: 769px) {
  header,
  main {
    padding: 1rem 1.5rem;
  }

  .menu-toggle {
    display: none;
  }

  .main-nav {
    display: block;
  }

  .main-nav ul {
    flex-direction: row;
    align-items: center;
    padding: 0.5rem 1rem;
  }

  .product-list {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}