/* General body styling */
body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f8f9fa;
}

/* Container styling */
.container {
    max-width: 500px;
    width: 100%;
    padding: 0 15px;
}

/* Content section styling */
.content-section {
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

.content-section:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

/* Form legend styling */
legend {
    font-size: 1.5rem;
    font-weight: 600;
    color: #343a40;
    padding-bottom: 0.5rem;
}

/* Form label styling */
.form-control-label {
    font-weight: 500;
    color: #495057;
}

/* Input field styling */
.form-control-lg {
    padding: 0.75rem 1rem;
    border-radius: 0.3rem;
    border: 1px solid #ced4da;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control-lg:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Password strength indicator (optional) */
.password-strength {
    height: 4px;
    background: #e9ecef;
    margin-top: 5px;
    border-radius: 2px;
    overflow: hidden;
}

.password-strength span {
    display: block;
    height: 100%;
    transition: all 0.3s ease;
    width: 0%;
}

/* Submit button styling */
.btn-outline-info {
    color: #17a2b8;
    border-color: #17a2b8;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 1rem;
}

.btn-outline-info:hover {
    color: white;
    background-color: #17a2b8;
    border-color: #17a2b8;
    transform: translateY(-1px);
}

/* Invalid feedback styling */
.invalid-feedback {
    font-size: 0.875rem;
    color: #dc3545;
}

/* Form group spacing */
.form-group {
    margin-bottom: 1.5rem;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .content-section {
        padding: 1.5rem;
    }
    
    legend {
        font-size: 1.3rem;
    }
    
    .btn-outline-info {
        padding: 0.5rem;
    }
}