body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  background-color: #f9fbff;
  color: #023047;
}

header {
  background-color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 999;
}

.logo a {
  font-size: 1.5rem;
  font-weight: bold;
  color: #219ebc;
  text-decoration: none;
}

nav a {
  margin-left: 1.5rem;
  color: #023047;
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  color: #219ebc;
}

.btn-login {
  background-color: #219ebc;
  color: white;
  padding: 0.4rem 0.9rem;
  border-radius: 5px;
  margin-left: 1.5rem;
}

.search-bar {
  background-color: #e9ecef;
  padding: 1rem 2rem;
  display: flex;
  justify-content: center;
  border-bottom: 1px solid #dee2e6;
}

.search-form {
  display: flex;
  gap: 10px;
}

.search-form input[type="text"] {
  width: 300px;
  padding: 10px;
  border: 1px solid #ced4da;
  border-radius: 5px;
  font-size: 1rem;
}

.search-form button {
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  background-color: #495057;
  color: white;
  cursor: pointer;
  font-size: 1rem;
}

.product-container {
  display: flex;
  padding: 2rem;
  gap: 2rem;
}

.sidebar {
  width: 250px;
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  height: fit-content;
}

.sidebar h3 {
  margin-top: 0;
  color: #219ebc;
  border-bottom: 2px solid #219ebc;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-list li {
  padding: 10px 15px;
  border-radius: 5px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.category-list li:hover {
  background-color: #f0f3f6;
}

.category-list li.active {
  background-color: #219ebc;
  color: white;
  font-weight: bold;
}

.product-section {
  flex-grow: 1;
}

.gallery-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.gallery-header h2 {
  margin: 0;
  font-size: 2rem;
  color: #023047;
}

.btn-add-item {
  padding: 10px 20px;
  background-color: #219ebc;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

.btn-add-item:hover {
  background-color: #1a7e93;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background-color: white;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.product-card h3 {
  font-size: 1.25rem;
  margin: 0.5rem 0;
  color: #023047;
}

.product-card p {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 1rem;
}

.card-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  width: 100%;
}

.btn-sm {
  padding: 8px 16px;
  background-color: #219ebc;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 16px;
}

.btn-sm-delete {
  background-color: #dc3545;
}

.btn-sm:hover {
  background-color: #1a7e93;
}

.btn-sm-delete:hover {
  background-color: #c82333;
}

.no-result {
  grid-column: 1 / -1;
  text-align: center;
  color: #6c757d;
  font-size: 1.2rem;
  padding: 2rem;
}

footer {
  text-align: center;
  padding: 1.5rem;
  background-color: #e9ecef;
  color: #495057;
  margin-top: 2rem;
}

/* Modal Styles */
.modal {
  display: none; /* ซ่อนไว้เป็นค่าเริ่มต้น */
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.6); /* ฉากหลังทึบแสง */
  backdrop-filter: blur(5px);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 550px;
  position: relative;
}

.modal-confirm {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  justify-content: center;
  align-items: center;
}

.modal-confirm-content {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 400px;
  text-align: center;
}

.confirm-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.confirm-buttons button {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
}

#confirmDeleteBtn {
  background-color: #dc3545;
  color: white;
}

#cancelDeleteBtn {
  background-color: #6c757d;
  color: white;
}

.close-btn {
  color: #aaa;
  position: absolute;
  top: 15px;
  right: 25px;
  font-size: 32px;
  font-weight: bold;
  cursor: pointer;
}

.close-btn:hover {
  color: #000;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #023047;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ced4da;
  border-radius: 5px;
  box-sizing: border-box; /* ทำให้ padding ไม่เพิ่มความกว้าง */
  font-size: 1rem;
}

.required {
  color: red;
}

.btn-submit {
  background-color: #219ebc;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  width: 100%;
  transition: background-color 0.3s ease;
}

.btn-submit:hover {
  background-color: #1a7e93;
}

.active {
  color: #219ebc;
  font-weight: 600;
}