:root {
    --background-site: #FAFAFA;
    --background-menu: #FFFFFF;
    --background-submenu: #F0F4FF;
    --text_menu: #1976D2;
    --ciano-dark: #1565C0;
    --text-dark: #1E2D40;
    --text-muted: #78909C;
    --press: #1976d21a;
    --success: #4CAF50;
    --warning: #FF9800;
    --error: #F44336;
    --gradient-primary: linear-gradient(135deg, #1976D2 0%, #1565C0 100%);
    --gradient-success: linear-gradient(135deg, #4CAF50 0%, #388E3C 100%);
    --gradient-warning: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-site);
    color: var(--text-dark);
    line-height: 1.6;
  } 
  
  .container {
    display: flex;
    min-height: 100vh;
  }
  
  .main-content {
    margin-left: 250px;
    padding: 30px;
    flex-grow: 1;
    background-color: var(--background-site);
    position: relative;
    z-index: 1;
  }
  
  .topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
  }
  
  .searchbar input {
    padding: 12px 16px;
    width: 350px;
    border-radius: var(--border-radius);
    border: 2px solid #e0e0e0;
    font-size: 14px;
    transition: var(--transition);
    background-color: white;
  }
  
  .searchbar input:focus {
    outline: none;
    border-color: var(--text_menu);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
  }
  
  .user-profile {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
  }
  
  .user-profile:hover {
    background-color: #f5f5f5;
  }
  
  .user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--text_menu);
  }
  
  .user-profile .dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    min-width: 200px;
    display: none;
    z-index: 1000;
  }
  
  .user-profile:hover .dropdown-menu {
    display: block;
  }
  
  .user-profile .dropdown-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
  }
  
  .user-profile .dropdown-menu a:hover {
    background-color: #f5f5f5;
  }
  
  .user-profile .dropdown-menu a i {
    margin-right: 8px;
  }