:root {
  --primary-color: #4BA3C3;  /* Turquoise blue */
  --secondary-color: #63C5DA;  /* Lighter turquoise */
  --accent-color: #E8F4F8;  /* Very light blue for backgrounds */
  --text-color: #2C3E50;  /* Dark blue-gray for text */
}


/* Navbar styling */
.navbar {
  background-color: var(--primary-color) !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-light .navbar-brand,
.navbar-light .navbar-nav .nav-link {
  color: white !important;
}

.navbar-light .navbar-toggler {
  border-color: rgba(255,255,255,0.5);
}

.navbar-light .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Card styling */
.card {
  border: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-header {
  background-color: var(--accent-color);
  border-bottom: 2px solid var(--secondary-color);
}

/* Button styling */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

/* Table styling */
.table thead th {
  background-color: var(--accent-color);
  border-bottom: 2px solid var(--secondary-color);
}

/* Form control styling */
.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(75, 163, 195, 0.25);
}

/* Alert styling */
.alert-info {
  background-color: var(--accent-color);
  border-color: var(--secondary-color);
  color: var(--text-color);
}