body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.login-container {
    max-width: 500px;
    margin: 0px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.register-container {
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

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

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.card {
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    border: none;
}

.card-header {
    background-color: #0d6efd;
    color: white;
    border-radius: 10px 10px 0 0 !important;
}

.table-responsive {
    margin-top: 20px;
}

.alert {
    border-radius: 10px;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
}

.summary-card {
    transition: all 0.3s ease;
}

.summary-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.activity-status {
    font-weight: bold;
}

.completed {
    color: #28a745;
}

.pending {
    color: #dc3545;
}

.in-progress {
    color: #ffc107;
}