:root {
    --primary-color: #FFD700;
    --secondary-color: #FF0000;
    --dark-color: #2f3542;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #fff;
    --danger-color: #ff4757;
    --success-color: #2ed573;
}

/* Reset e Estilos Globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f1f3f5;
    color: var(--text-color);
    line-height: 1.6;
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Cabeçalho Admin */
.admin-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    padding: 1.5rem;
    border-radius: 0 0 10px 10px;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-header h1 {
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-header nav a {
    color: var(--text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    transition: background 0.3s;
}

.admin-header nav a:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* Conteúdo Principal */
.admin-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 1200px) {
    .admin-main {
        grid-template-columns: 1fr;
    }
}

/* Seções */
.product-form-section, .products-list-section, .settings-section {
    background: var(--text-light);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.settings-section {
    grid-column: span 2;
}

@media (max-width: 1200px) {
    .settings-section {
        grid-column: span 1;
    }
}

section h2 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.4rem;
}

/* Formulários */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.image-upload-container, .logo-preview {
    margin-top: 0.5rem;
}

.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.image-preview-item {
    width: 80px;
    height: 80px;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-item .remove-img {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--danger-color);
    color: white;
    border: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.7rem;
}

.logo-preview {
    width: 150px;
    height: 150px;
    border: 1px dashed #ddd;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 0.5rem;
    overflow: hidden;
}

.logo-preview img {
    max-width: 100%;
    max-height: 100%;
}

/* Botões */
.form-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

button, .save-btn, .cancel-btn, .delete-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.save-btn {
    background-color: var(--success-color);
    color: white;
}

.save-btn:hover {
    background-color: #25ad5f;
}

.cancel-btn {
    background-color: #ddd;
    color: var(--text-color);
}

.cancel-btn:hover {
    background-color: #ccc;
}

.delete-btn {
    background-color: var(--danger-color);
    color: white;
}

.delete-btn:hover {
    background-color: #ff6b81;
}

/* Lista de Produtos */
.search-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

#product-search {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#category-filter {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
}

.products-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.product-item {
    background: white;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 1rem;
    transition: all 0.3s;
    position: relative;
}

.product-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.product-item h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.product-item .product-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.product-item .product-category {
    color: var(--primary-color);
    font-weight: 600;
}

.product-item .product-price {
    color: var(--secondary-color);
    font-weight: bold;
}

.product-item .product-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.product-item .product-actions button {
    padding: 0.5rem;
    font-size: 0.8rem;
}

.product-item .product-thumbnail {
    width: 100%;
    height: 120px;
    background: #f8f9fa;
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.product-item .product-thumbnail img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Responsividade */
@media (max-width: 768px) {
    .search-filter {
        flex-direction: column;
    }
    
    .products-list {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions button {
        width: 100%;
        justify-content: center;
    }
}