/* Estilos generales */
:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --success-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --light-color: #ecf0f1;
  --dark-color: #34495e;
}

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

body {
  background-color: #f5f5f5;
  color: #333;
}

a {
  text-decoration: none;
  color: var(--primary-color);
}

/* Layout */
.dashboard {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background-color: var(--secondary-color);
  color: white;
  padding: 20px 0;
  position: fixed;
  height: 100%;
}

.content {
  flex: 1;
  margin-left: 250px;
  padding: 20px;
}

/* Componentes */
.card {
  background: white;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 20px;
}

.btn {
  padding: 8px 15px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}

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

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

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

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

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th, .table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

.table th {
  background-color: var(--light-color);
}

.table tr:hover {
  background-color: #f9f9f9;
}

.form-group {
  margin-bottom: 15px;
}

.form-control {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.alert {
  padding: 10px 15px;
  border-radius: 4px;
  margin-bottom: 15px;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
}

.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
}

/* Navbar */
.navbar {
  background-color: white;
  padding: 15px 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Login */
.login-container {
  max-width: 400px;
  margin: 50px auto;
  padding: 30px;
  background: white;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.login-container h2 {
  text-align: center;
  margin-bottom: 20px;
}

.login-container input {
  margin-bottom: 15px;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    position: relative;
    height: auto;
  }
  
  .content {
    margin-left: 0;
  }
  
  .dashboard {
    flex-direction: column;
  }
}